Don't build everything when zero changes (#715)

* IFC spatial elements now attach geometry as separate data object

* removed unnecessary attribute

* Updated tester for faster testing

.config/dotnet-tools.json

@@ -9,10 +9,10 @@
       ],
       "rollForward": false
     },
-    "gitversion.tool": {
-      "version": "6.0.2",
+    "dotnet-affected": {
+      "version": "5.0.0",
       "commands": [
-        "dotnet-gitversion"
+        "dotnet-affected"
       ],
       "rollForward": false
     }

.editorconfig

@@ -254,9 +254,10 @@ dotnet_diagnostic.ca1508.severity = warning # Avoid dead conditional code
 dotnet_diagnostic.ca1509.severity = warning # Invalid entry in code metrics configuration file
 dotnet_diagnostic.ca1861.severity = none # Prefer 'static readonly' fields over constant array arguments if the called method is called repeatedly and is not mutating the passed array (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1861)
 
+# CA2007: Consider calling ConfigureAwait on the awaited task (this is not needed for application code, in fact we don't want to call anything but ConfigureAwait(true) which is the default)
+dotnet_diagnostic.CA2007.severity = none
+
 dotnet_diagnostic.cs8618.severity = suggestion # nullable problem
-dotnet_diagnostic.CS0809.severity = suggestion # obsolete errors
-dotnet_diagnostic.CS0618.severity = suggestion # obsolete errors
 
 
 # Performance rules

.github/CODEOWNERS

@@ -4,33 +4,36 @@
 
 # * @specklesystems/connectors
 
-# Core
-# Not needed, falls back on team approval
-
-# Objects
-#   Converters require product owner approval, anything else falls back to team approval
-
-Objects/ConverterAutocadCivil/* @clairekuang @connorivy
-Objects/ConverterCSI/* @connorivy
-Objects/ConverterDynamo/* @teocomi @alanrynne
-Objects/ConverterMicrostation/* @connorivy
-Objects/ConverterRevit/* @connorivy @teocomi
-Objects/ConverterRhinoGh/* @alanrynne @clairekuang
-Objects/ConverterTeklaStructures/* @connorivy
-Objects/StructuralUtilities/PolygonMesher/* @connorivy
-
 # Connectors
 
-ConnectorAutocadCivil/* @clairekuang
-ConnectorArchicad/* @jozseflkiss
-ConnectorCSI/* @connorivy
-ConnectorDynamo/* @teocomi @alanrynne
-ConnectorGrasshopper/* @alanrynne @clairekuang
-ConnectorMicrostation/* @clairekuang
-ConnectorRevit/* @teocomi @connorivy
-ConnectorRhino/* @clairekuang @alanrynne
-ConnectorTeklaStructures/* @connorivy
+/Connectors/ArcGIS/* @KatKatKateryna
+/Connectors/Autocad/* @clairekuang @oguzhankoral @didimitrie
+/Connectors/Civil3d/* @clairekuang @oguzhankoral @didimitrie
+/Connectors/CSi/* @bjoernsteinhagen @dogukankaratas
+/Connectors/Navisworks/* @jsdbroughton
+/Connectors/Revit/* @clairekuang @oguzhankoral @didimitrie
+/Connectors/Rhino/* @clairekuang @oguzhankoral @didimitrie
+/Connectors/Tekla/* @bjoernsteinhagen @dogukankaratas
 
-# DesktopUI
+# Converters
+/Convertors/ArcGIS/* @KatKatKateryna
+/Convertors/Autocad/* @clairekuang @oguzhankoral @didimitrie
+/Convertors/Civil3d/* @clairekuang @oguzhankoral @didimitrie
+/Convertors/CSi/* @bjoernsteinhagen @dogukankaratas
+/Convertors/Navisworks/* @jsdbroughton
+/Convertors/Revit/* @clairekuang @oguzhankoral @didimitrie
+/Convertors/Rhino/* @clairekuang @oguzhankoral @didimitrie
+/Convertors/Tekla/* @bjoernsteinhagen @dogukankaratas
 
-DesktopUI2/* @teocomi @clairekuang
+# DUI
+
+/DUI3/* @clairekuang @oguzhankoral @didimitrie
+
+# Importers
+/Importers/* @JR-Morgan @didimitrie @oguzhankoral @adamhathcock
+
+# SDK
+/SDK/* @JR-Morgan @clairekuang @didimitrie @oguzhankoral @adamhathcock
+
+# Build
+/Build/* @JR-Morgan @oguzhankoral @adamhathcock

.github/pull_request_template.md

@@ -1,30 +1,46 @@
 <!---
 
-Provide a short summary in the Title above. Examples of good PR titles:
+Provide a short summary in the Title above. Use the following template:
 
-* "Feature: adds metrics to component"
+category(project): summary
 
-* "Fix: resolves duplication in comment thread"
+Categories:
 
-* "Update: apollo v2.34.0"
+* feat: (new feature for the user, not a new feature for build script)
+* fix: (bug fix for the user, not a fix to a build script)
+* docs: (changes to the documentation)
+* style: (formatting, missing semi colons, etc; no production code change)
+* refactor: (refactoring production code, eg. renaming a variable)
+* test: (adding missing tests, refactoring tests; no production code change)
+* chore: (updating grunt tasks etc; no production code change)
+
+Example:
+
+feat(revit): added category filter to send
 
 -->
 
-## Description & motivation
+## Description
 
 <!---
 
-Describe your changes, and why you're making them.  What benefit will this have to others?
+Describe your changes, and why you're making them.
 
-Is this linked to an open Github issue, a thread in Speckle community,
-or another pull request? Link it here.
-
-If it is related to a Github issue, and resolves it, please link to the issue number, e.g.:
-Fixes #85, Fixes #22, Fixes username/repo#123
-Connects #123
+Link related github issues here ->
+Fixes #85, Fixes #22, Connects #123
 
 -->
 
+## User Value
+
+<!---
+
+Describe in 1 sentence the user value.
+
+This can also be a link to the relevant thread in Speckle community, or a link to the Linear issue.
+-->
+
+
 ## Changes:
 
 <!---
@@ -68,35 +84,10 @@ Describe what tests have been added or amended, and why these demonstrate it wor
 
 <!---
 
-This checklist is mostly useful as a reminder of small things that can easily be
-
-forgotten – it is meant as a helpful tool rather than hoops to jump through.
-
-Put an `x` between the square brackets, e.g. [x], for all the items that apply,
-
-make notes next to any that haven't been addressed, and remove any items that are not relevant to this PR.
+This checklist is a useful reminder of related tasks to uphold our repo quality. Amend this list as needed for the pr.
 
 -->
-
-- [ ] My pull request follows the guidelines in the [Contributing guide](https://github.com/specklesystems/speckle-server/blob/main/CONTRIBUTING.md)?
-- [ ] My pull request does not duplicate any other open [Pull Requests](../../pulls) for the same update/change?
 - [ ] My commits are related to the pull request and do not amend unrelated code or documentation.
-- [ ] My code follows a similar style to existing code.
 - [ ] I have added appropriate tests.
 - [ ] I have updated or added relevant documentation.
 
-## References
-
-<!---
-
-(Optional -- remove this section if not needed )
-
-Include **important** links regarding the implementation of this PR.
-
-This usually includes a RFC or an aggregation of issues and/or individual conversations
-
-that helped put this solution together. This helps ensure we retain and share knowledge
-
-regarding the implementation, and may help others understand motivation and design decisions etc..
-
--->

.github/workflows/pr.yml

@@ -1,9 +1,7 @@
 name: .NET Build
 
 on:
-  pull_request: # Run build on every pull request that is not to main
-    branches-ignore:
-      - main
+  pull_request
 
 jobs:   
   build:
@@ -19,7 +17,7 @@ jobs:
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: 8.0.2xx # Align with global.json (including roll forward rules)
+          dotnet-version: 8.0.4xx # Align with global.json (including roll forward rules)
       
       - name: Cache Nuget     
         uses: actions/cache@v4
@@ -34,11 +32,13 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
 
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: 8.0.2xx # Align with global.json (including roll forward rules)
+          dotnet-version: 8.0.4xx # Align with global.json (including roll forward rules)
       
       - name: Cache Nuget     
         uses: actions/cache@v4
@@ -46,11 +46,14 @@ jobs:
           path: ~/.nuget/packages
           key: ${{ runner.os }}-nuget-${{ hashFiles('**/packages.lock.json') }}
 
-      - name: ⚒️ Run build
+      - name: ⚒️ Run Build on Linux
+        run: ./build.sh build-linux
+
+      - name: ⚒️ Run tests
         run: ./build.sh test-only
         
       - name: Upload coverage reports to Codecov with GitHub Action
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
         with:
           file: Converters/**/coverage.xml
           token: ${{ secrets.CODECOV_TOKEN }}

.github/workflows/release.yml

@@ -2,12 +2,14 @@ name: .NET Build and Publish
 
 on:
   push:
-    branches: ["main", "dev"] # Continuous delivery on every long-lived branch
+    branches: ["main", "installer-test/**"]
     tags: ["v3.*"] # Manual delivery on every 3.x tag
 
 jobs:
-  build:
+  build-windows:
     runs-on: windows-latest
+    env:
+      SPECKLE_VERSION: "unset"
     outputs:
       version: ${{ steps.set-version.outputs.version }}
     steps:
@@ -19,7 +21,7 @@ jobs:
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: 8.0.2xx # Align with global.json (including roll forward rules)
+          dotnet-version: 8.0.4xx # Align with global.json (including roll forward rules)
 
       - name: Cache Nuget
         uses: actions/cache@v4
@@ -27,37 +29,35 @@ jobs:
           path: ~/.nuget/packages
           key: ${{ runner.os }}-nuget-${{ hashFiles('**/packages.lock.json') }}
 
-      - name: ⚒️ Run GitVersion
-        run: ./build.ps1 build-server-version
-
-      - name: ⚒️ Run build
-        run: ./build.ps1
+      - name: ⚒️ Run build on Windows
+        run: ./build.ps1 zip
 
       - name: ⬆️ Upload artifacts
         uses: actions/upload-artifact@v4
         with:
-          name: output-${{ env.GitVersion_FullSemVer }}
+          name: output-${{ env.SPECKLE_VERSION }}
           path: output/*.*
-          compression-level: 0 # no compression
-
+          if-no-files-found: error
+          retention-days: 1
+          compression-level: 0 # no compression      
       - id: set-version
         name: Set version to output
-        run: echo "version=${{ env.GitVersion_FullSemVer }}" >> "$Env:GITHUB_OUTPUT"
+        run: echo "version=${{ env.SPECKLE_VERSION }}" >> "$Env:GITHUB_OUTPUT"
 
   deploy-installers:
     runs-on: ubuntu-latest
-    needs: build
+    needs: build-windows
     env:
-      IS_TAG_BUILD: ${{ github.ref_type == 'tag' }}
+      IS_PUBLIC_RELEASE: ${{ github.ref_type == 'tag' }}
+      IS_TEST_INSTALLER: ${{ github.ref_type != 'tag' }}
     steps:
       - name: 🔫 Trigger Build Installers
         uses: ALEEF02/workflow-dispatch@v3.0.0
-        continue-on-error: true
         with:
           workflow: Build Installers
           repo: specklesystems/connector-installers
           token: ${{ secrets.CONNECTORS_GH_TOKEN }}
-          inputs: '{ "run_id": "${{ github.run_id }}", "version": "${{ needs.build.outputs.version }}", "public_release": ${{ env.IS_TAG_BUILD }} }'
+          inputs: '{ "run_id": "${{ github.run_id }}", "version": "${{ needs.build-windows.outputs.version }}", "public_release": ${{ env.IS_PUBLIC_RELEASE }}, "store_artifacts": ${{ env.IS_TEST_INSTALLER }} }'
           ref: main
           wait-for-completion: true
           wait-for-completion-interval: 10s
@@ -69,16 +69,18 @@ jobs:
         with:
           name: output-*
 
-  test:
+  build-linux:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
 
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: 8.0.2xx # Align with global.json (including roll forward rules)
+          dotnet-version: 8.0.4xx # Align with global.json (including roll forward rules)
 
       - name: Cache Nuget
         uses: actions/cache@v4
@@ -86,11 +88,18 @@ jobs:
           path: ~/.nuget/packages
           key: ${{ runner.os }}-nuget-${{ hashFiles('**/packages.lock.json') }}
 
-      - name: ⚒️ Run build
+      - name: ⚒️ Run tests on Linux
         run: ./build.sh test-only
 
+      - name: ⚒️ Run Build and Pack on Linux
+        run: ./build.sh build-linux
+
       - name: Upload coverage reports to Codecov with GitHub Action
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
         with:
-          file: Converters/**/coverage.xml
+          files: Converters/**/coverage.xml
           token: ${{ secrets.CODECOV_TOKEN }}
+
+      - name: Push to nuget.org
+        if: (github.ref_type == 'tag')
+        run: dotnet nuget push output/*.nupkg --source "https://api.nuget.org/v3/index.json" --api-key ${{secrets.CONNECTORS_NUGET_TOKEN }} --skip-duplicate

.gitignore

@@ -19,4 +19,5 @@ tools
 .DS_Store
 *.snupkg
 coverage.xml
-output/
+output/
+Images/Thumbs.db

Build/Affected.cs

@@ -0,0 +1,116 @@
+using GlobExpressions;
+using Microsoft.Build.Construction;
+using static SimpleExec.Command;
+
+namespace Build;
+
+public static class Affected
+{
+  public static readonly string Root = Environment.CurrentDirectory;
+  public const string AFFECTED_PROJECT = "affected.proj";
+
+  private static IEnumerable<string> GetAffectedProjects()
+  {
+    var projFile = Path.Combine(Root, AFFECTED_PROJECT);
+    Console.WriteLine("Affected project file: " + projFile);
+    var project = ProjectRootElement.Open(projFile) ?? throw new InvalidOperationException();
+    var references = project.ItemGroups.SelectMany(x => x.Items).Where(x => x.ItemType == "ProjectReference");
+
+    foreach (var refe in references)
+    {
+      var referencePath = refe.Include[(Root.Length + 1)..];
+      referencePath = Path.GetDirectoryName(referencePath) ?? throw new InvalidOperationException();
+      if (Path.DirectorySeparatorChar != '/')
+      {
+        referencePath = referencePath.Replace(Path.DirectorySeparatorChar, '/');
+      }
+
+      yield return referencePath;
+    }
+  }
+
+  public static async Task<IEnumerable<string>> GetTestProjects()
+  {
+    await ComputeAffected();
+    var projFile = Path.Combine(Root, AFFECTED_PROJECT);
+    if (File.Exists(projFile))
+    {
+      var references = GetAffectedProjects();
+      return references.Where(x => x.Contains("Tests"));
+    }
+    return Glob.Files(Root, "**/*.Tests.csproj");
+  }
+
+  public static async Task<ProjectGroup[]> GetAffectedProjectGroups()
+  {
+    await ComputeAffected();
+    var projFile = Path.Combine(Root, AFFECTED_PROJECT);
+    if (File.Exists(projFile))
+    {
+      var references = GetAffectedProjects().ToList();
+      var groups = new List<ProjectGroup>();
+      foreach (var projectGroup in Consts.ProjectGroups)
+      {
+        foreach (var referencePath in references)
+        {
+          if (projectGroup.Projects.Any(x => x.ProjectPath.Contains(referencePath)))
+          {
+            groups.Add(projectGroup);
+            break;
+          }
+        }
+      }
+
+      foreach (var group in groups)
+      {
+        Console.WriteLine("Affected project group being built: " + group.HostAppSlug);
+      }
+
+      return groups.ToArray();
+    }
+
+    Console.WriteLine("Using all project groups: " + string.Join(',', Consts.ProjectGroups));
+    return Consts.ProjectGroups;
+  }
+
+  private static bool s_affectedComputed;
+
+  public static async Task ComputeAffected()
+  {
+    if (s_affectedComputed)
+    {
+      return;
+    }
+
+    var currentTag = await Versions.GetCurrentTag();
+    var currentVersion = await Versions.ComputeVersion();
+    var lastTag = await Versions.GetPreviousTag(currentTag);
+    var lastVersion = await Versions.ComputePreviousVersion(currentTag);
+
+    Console.WriteLine($"Last tag: {lastTag}, Current tag: {currentTag}");
+    Console.WriteLine($"Last parsed version: {lastVersion}, Current parsed version: {currentVersion}");
+
+    var sort = currentVersion.CompareSortOrderTo(lastVersion);
+    if (sort == -1)
+    {
+      Console.WriteLine($"Current version {currentVersion} is less than: {lastVersion}");
+      s_affectedComputed = true;
+      return;
+    }
+
+    var majorEquals = currentVersion.Major == lastVersion.Major;
+    if (!majorEquals)
+    {
+      Console.WriteLine($"Current version {currentVersion} is not matching major version: {lastVersion}");
+      s_affectedComputed = true;
+      return;
+    }
+
+    //use tags no matter the version if major versions match
+    var (currentCommit, _) = await ReadAsync("git", $"rev-list -n 1 {currentTag}");
+    var (lastCommit, _) = await ReadAsync("git", $"rev-list -n 1 {lastTag}");
+    await RunAsync("dotnet", $"affected -v --from {currentCommit.Trim()} --to {lastCommit.Trim()}", Root);
+
+    s_affectedComputed = true;
+  }
+}

Build/Build.csproj

@@ -10,6 +10,7 @@
     <PackageReference Include="Bullseye" />
     <PackageReference Include="Glob" />
     <PackageReference Include="Microsoft.Build" />
+    <PackageReference Include="Semver" />
     <PackageReference Include="SimpleExec" />
   </ItemGroup>
 </Project>

Build/Consts.cs

@@ -4,7 +4,7 @@ public static class Consts
 {
   public static readonly string[] Solutions = ["Speckle.Connectors.sln"];
 
-  public static readonly InstallerProject[] InstallerManifests =
+  public static readonly ProjectGroup[] ProjectGroups =
   {
     new("arcgis", [new("Connectors/ArcGIS/Speckle.Connectors.ArcGIS3", "net6.0-windows")]),
     new(
@@ -31,11 +31,45 @@ public static class Consts
         new("Connectors/Autocad/Speckle.Connectors.Autocad2024", "net48"),
         new("Connectors/Autocad/Speckle.Connectors.Autocad2025", "net8.0-windows")
       ]
+    ),
+    new(
+      "civil3d",
+      [
+        new("Connectors/Autocad/Speckle.Connectors.Civil3d2022", "net48"),
+        new("Connectors/Autocad/Speckle.Connectors.Civil3d2023", "net48"),
+        new("Connectors/Autocad/Speckle.Connectors.Civil3d2024", "net48"),
+        new("Connectors/Autocad/Speckle.Connectors.Civil3d2025", "net8.0-windows")
+      ]
+    ),
+    new(
+      "navisworks",
+      [
+        new("Connectors/Navisworks/Speckle.Connectors.Navisworks2020", "net48"),
+        new("Connectors/Navisworks/Speckle.Connectors.Navisworks2021", "net48"),
+        new("Connectors/Navisworks/Speckle.Connectors.Navisworks2022", "net48"),
+        new("Connectors/Navisworks/Speckle.Connectors.Navisworks2023", "net48"),
+        new("Connectors/Navisworks/Speckle.Connectors.Navisworks2024", "net48"),
+        new("Connectors/Navisworks/Speckle.Connectors.Navisworks2025", "net48")
+      ]
+    ),
+    new(
+      "teklastructures",
+      [
+        new("Connectors/Tekla/Speckle.Connector.Tekla2023", "net48"),
+        new("Connectors/Tekla/Speckle.Connector.Tekla2024", "net48")
+      ]
+    ),
+    new(
+      "etabs",
+      [
+        new("Connectors/CSi/Speckle.Connectors.ETABS21", "net48"),
+        new("Connectors/CSi/Speckle.Connectors.ETABS22", "net8.0-windows"),
+      ]
     )
   };
 }
 
-public readonly record struct InstallerProject(string HostAppSlug, IReadOnlyList<InstallerAsset> Projects)
+public readonly record struct ProjectGroup(string HostAppSlug, IReadOnlyList<InstallerAsset> Projects)
 {
   public override string ToString() => $"{HostAppSlug}";
 }

Build/Github.cs

@@ -28,11 +28,11 @@ public static class Github
       Content = content
     };
     request.Headers.Add("X-GitHub-Api-Version", "2022-11-28");
-    var response = await client.SendAsync(request).ConfigureAwait(false);
+    var response = await client.SendAsync(request);
     if (!response.IsSuccessStatusCode)
     {
       throw new InvalidOperationException(
-        $"{response.StatusCode} {response.ReasonPhrase} {await response.Content.ReadAsStringAsync().ConfigureAwait(false)}"
+        $"{response.StatusCode} {response.ReasonPhrase} {await response.Content.ReadAsStringAsync()}"
       );
     }
   }

Build/Program.cs

@@ -7,16 +7,17 @@ using static SimpleExec.Command;
 const string CLEAN = "clean";
 const string RESTORE = "restore";
 const string BUILD = "build";
+const string BUILD_LINUX = "build-linux";
 const string TEST = "test";
 const string TEST_ONLY = "test-only";
 const string FORMAT = "format";
 const string ZIP = "zip";
-const string VERSION = "version";
 const string RESTORE_TOOLS = "restore-tools";
-const string BUILD_SERVER_VERSION = "build-server-version";
 const string CLEAN_LOCKS = "clean-locks";
 const string CHECK_SOLUTIONS = "check-solutions";
 const string DEEP_CLEAN = "deep-clean";
+const string DEEP_CLEAN_LOCAL = "deep-clean-local";
+const string DETECT_AFFECTED = "detect-affected";
 
 //need to pass arguments
 /*var arguments = new List<string>();
@@ -26,18 +27,59 @@ if (args.Length > 1)
   args = new[] { arguments.First() };
   //arguments = arguments.Skip(1).ToList();
 }*/
+void Build(string solution, string configuration)
+{
+  Console.WriteLine();
+  Console.WriteLine();
+  Console.WriteLine($"Building solution '{solution}' as '{configuration}'");
+  Console.WriteLine();
+  Run("dotnet", $"build \".\\{solution}\" --configuration {configuration} --no-restore");
+}
+void Restore(string solution)
+{
+  Console.WriteLine();
+  Console.WriteLine($"Restoring solution '{solution}'");
+  Console.WriteLine();
+  Run("dotnet", $"restore \".\\{solution}\" --no-cache");
+}
+void DeleteFiles(string pattern)
+{
+  foreach (var f in Glob.Files(".", pattern))
+  {
+    Console.WriteLine("Found and will delete: " + f);
+    File.Delete(f);
+  }
+}
+void DeleteDirectories(string pattern)
+{
+  foreach (var f in Glob.Directories(".", pattern))
+  {
+    if (f.StartsWith("Build"))
+    {
+      continue;
+    }
+    Console.WriteLine("Found and will delete: " + f);
+    Directory.Delete(f, true);
+  }
+}
+
+void CleanSolution(string solution, string configuration)
+{
+  Console.WriteLine("Cleaning solution: " + solution);
+
+  DeleteDirectories("**/bin");
+  DeleteDirectories("**/obj");
+  DeleteFiles("**/*.lock.json");
+  Restore(solution);
+  Build(solution, configuration);
+}
 
 Target(
   CLEAN_LOCKS,
   () =>
   {
-    foreach (var f in Glob.Files(".", "**/*.lock.json"))
-    {
-      Console.WriteLine("Found and will delete: " + f);
-      File.Delete(f);
-    }
-    Console.WriteLine("Running restore now.");
-    Run("dotnet", "restore .\\Speckle.Connectors.sln --no-cache");
+    DeleteFiles("**/*.lock.json");
+    Restore("Speckle.Connectors.sln");
   }
 );
 
@@ -45,26 +87,14 @@ Target(
   DEEP_CLEAN,
   () =>
   {
-    foreach (var f in Glob.Directories(".", "**/bin"))
-    {
-      if (f.StartsWith("Build"))
-      {
-        continue;
-      }
-      Console.WriteLine("Found and will delete: " + f);
-      Directory.Delete(f, true);
-    }
-    foreach (var f in Glob.Directories(".", "**/obj"))
-    {
-      if (f.StartsWith("Build"))
-      {
-        continue;
-      }
-      Console.WriteLine("Found and will delete: " + f);
-      Directory.Delete(f, true);
-    }
-    Console.WriteLine("Running restore now.");
-    Run("dotnet", "restore .\\Speckle.Connectors.sln --no-cache");
+    CleanSolution("Speckle.Connectors.sln", "debug");
+  }
+);
+Target(
+  DEEP_CLEAN_LOCAL,
+  () =>
+  {
+    CleanSolution("Local.sln", "local");
   }
 );
 
@@ -94,17 +124,6 @@ Target(
   }
 );
 
-Target(
-  VERSION,
-  async () =>
-  {
-    var (output, _) = await ReadAsync("dotnet", "minver -v w").ConfigureAwait(false);
-    output = output.Trim();
-    Console.WriteLine($"Version: {output}");
-    Run("echo", $"\"version={output}\" >> $GITHUB_OUTPUT");
-  }
-);
-
 Target(
   RESTORE_TOOLS,
   () =>
@@ -113,6 +132,18 @@ Target(
   }
 );
 
+Target(
+  DETECT_AFFECTED,
+  DependsOn(RESTORE_TOOLS),
+  async () =>
+  {
+    foreach (var group in await Affected.GetAffectedProjectGroups())
+    {
+      Console.WriteLine("Affected project group being built: " + group.HostAppSlug);
+    }
+  }
+);
+
 Target(
   FORMAT,
   DependsOn(RESTORE_TOOLS),
@@ -124,20 +155,14 @@ Target(
 
 Target(
   RESTORE,
-  DependsOn(FORMAT),
+  DependsOn(FORMAT, DETECT_AFFECTED),
   Consts.Solutions,
-  s =>
+  async s =>
   {
-    Run("dotnet", $"restore {s} --locked-mode");
-  }
-);
-
-Target(
-  BUILD_SERVER_VERSION,
-  DependsOn(RESTORE_TOOLS),
-  () =>
-  {
-    Run("dotnet", "tool run dotnet-gitversion /output json /output buildserver");
+    var version = await Versions.ComputeVersion();
+    var fileVersion = await Versions.ComputeFileVersion();
+    Console.WriteLine($"Restoring: {s} - Version: {version} & {fileVersion}");
+    await RunAsync("dotnet", $"restore \"{s}\" --locked-mode");
   }
 );
 
@@ -145,12 +170,15 @@ Target(
   BUILD,
   DependsOn(RESTORE),
   Consts.Solutions,
-  s =>
+  async s =>
   {
-    var version = Environment.GetEnvironmentVariable("GitVersion_FullSemVer") ?? "3.0.0-localBuild";
-    var fileVersion = Environment.GetEnvironmentVariable("GitVersion_AssemblySemFileVer") ?? "3.0.0.0";
-    Console.WriteLine($"Version: {version} & {fileVersion}");
-    Run("dotnet", $"build {s} -c Release --no-restore -p:Version={version} -p:FileVersion={fileVersion} -v:m");
+    var version = await Versions.ComputeVersion();
+    var fileVersion = await Versions.ComputeFileVersion();
+    Console.WriteLine($"Restoring: {s} - Version: {version} & {fileVersion}");
+    await RunAsync(
+      "dotnet",
+      $"build \"{s}\" -c Release --no-restore -warnaserror -p:Version={version} -p:FileVersion={fileVersion} -v:m"
+    );
   }
 );
 
@@ -159,23 +187,48 @@ Target(CHECK_SOLUTIONS, Solutions.CompareConnectorsToLocal);
 Target(
   TEST,
   DependsOn(BUILD, CHECK_SOLUTIONS),
-  Glob.Files(".", "**/*.Tests.csproj"),
-  file =>
+  async () =>
   {
-    Run("dotnet", $"test {file} -c Release --no-build --no-restore --verbosity=minimal");
+    foreach (var s in await Affected.GetTestProjects())
+    {
+      await RunAsync("dotnet", $"test \"{s}\" -c Release --no-build --no-restore --verbosity=minimal");
+    }
   }
 );
 
+//all tests on purpose
 Target(
   TEST_ONLY,
   DependsOn(FORMAT),
   Glob.Files(".", "**/*.Tests.csproj"),
   file =>
   {
-    Run("dotnet", $"restore {file} --locked-mode");
+    Run("dotnet", $"build \"{file}\" -c Release --no-incremental");
     Run(
       "dotnet",
-      $"test {file} -c Release --no-restore --verbosity=minimal  /p:AltCover=true /p:AltCoverAttributeFilter=ExcludeFromCodeCoverage /p:AltCoverVerbosity=Warning"
+      $"test \"{file}\" -c Release --no-build --verbosity=minimal /p:AltCover=true /p:AltCoverAttributeFilter=ExcludeFromCodeCoverage /p:AltCoverVerbosity=Warning"
+    );
+  }
+);
+
+Target(
+  BUILD_LINUX,
+  DependsOn(FORMAT),
+  Glob.Files(".", "**/Speckle.Importers.Ifc.csproj"),
+  async file =>
+  {
+    await RunAsync("dotnet", $"restore \"{file}\" --locked-mode");
+    var version = await Versions.ComputeVersion();
+    var fileVersion = await Versions.ComputeFileVersion();
+    Console.WriteLine($"Version: {version} & {fileVersion}");
+    await RunAsync(
+      "dotnet",
+      $"build \"{file}\" -c Release --no-restore -warnaserror -p:Version={version} -p:FileVersion={fileVersion} -v:m"
+    );
+
+    await RunAsync(
+      "dotnet",
+      $"pack \"{file}\" -c Release -o output --no-build -p:Version={version} -p:FileVersion={fileVersion} -v:m"
     );
   }
 );
@@ -183,47 +236,54 @@ Target(
 Target(
   ZIP,
   DependsOn(TEST),
-  Consts.InstallerManifests,
-  x =>
+  async () =>
   {
-    var outputDir = Path.Combine(".", "output");
-    var slugDir = Path.Combine(outputDir, x.HostAppSlug);
-
-    Directory.CreateDirectory(outputDir);
-    Directory.CreateDirectory(slugDir);
-
-    foreach (var asset in x.Projects)
+    var version = await Versions.ComputeVersion();
+    foreach (var group in await Affected.GetAffectedProjectGroups())
     {
-      var fullPath = Path.Combine(".", asset.ProjectPath, "bin", "Release", asset.TargetName);
-      if (!Directory.Exists(fullPath))
+      Console.WriteLine($"Zipping: {group.HostAppSlug} as {version}");
+      var outputDir = Path.Combine(".", "output");
+      var slugDir = Path.Combine(outputDir, group.HostAppSlug);
+
+      Directory.CreateDirectory(outputDir);
+      Directory.CreateDirectory(slugDir);
+
+      foreach (var asset in group.Projects)
       {
-        throw new InvalidOperationException("Could not find: " + fullPath);
+        var fullPath = Path.Combine(".", asset.ProjectPath, "bin", "Release", asset.TargetName);
+        if (!Directory.Exists(fullPath))
+        {
+          throw new InvalidOperationException("Could not find: " + fullPath);
+        }
+
+        var assetName = Path.GetFileName(asset.ProjectPath);
+        var connectorDir = Path.Combine(slugDir, assetName);
+
+        Directory.CreateDirectory(connectorDir);
+        foreach (var directory in Directory.EnumerateDirectories(fullPath, "*", SearchOption.AllDirectories))
+        {
+          Directory.CreateDirectory(directory.Replace(fullPath, connectorDir));
+        }
+
+        foreach (var file in Directory.EnumerateFiles(fullPath, "*", SearchOption.AllDirectories))
+        {
+          Console.WriteLine(file);
+          File.Copy(file, file.Replace(fullPath, connectorDir), true);
+        }
       }
 
-      var assetName = Path.GetFileName(asset.ProjectPath);
-      var connectorDir = Path.Combine(slugDir, assetName);
-
-      Directory.CreateDirectory(connectorDir);
-      foreach (var directory in Directory.EnumerateDirectories(fullPath, "*", SearchOption.AllDirectories))
-      {
-        Directory.CreateDirectory(directory.Replace(fullPath, connectorDir));
-      }
-
-      foreach (var file in Directory.EnumerateFiles(fullPath, "*", SearchOption.AllDirectories))
-      {
-        Console.WriteLine(file);
-        File.Copy(file, file.Replace(fullPath, connectorDir), true);
-      }
+      var outputPath = Path.Combine(outputDir, $"{group.HostAppSlug}.zip");
+      File.Delete(outputPath);
+      Console.WriteLine($"Zipping: '{slugDir}' to '{outputPath}'");
+      ZipFile.CreateFromDirectory(slugDir, outputPath);
     }
 
-    var outputPath = Path.Combine(outputDir, $"{x.HostAppSlug}.zip");
-    File.Delete(outputPath);
-    Console.WriteLine($"Zipping: '{slugDir}' to '{outputPath}'");
-    ZipFile.CreateFromDirectory(slugDir, outputPath);
-    // Directory.Delete(slugDir, true);
+    string githubEnv = Environment.GetEnvironmentVariable("GITHUB_ENV") ?? "Unset";
+    Console.WriteLine($"GITHUB_ENV: {githubEnv}");
+    File.AppendAllText(githubEnv, $"SPECKLE_VERSION={version}{Environment.NewLine}");
   }
 );
 
-Target("default", DependsOn(FORMAT, ZIP), () => Console.WriteLine("Done!"));
+Target("default", DependsOn(TEST), () => Console.WriteLine("Done!"));
 
 await RunTargetsAndExitAsync(args).ConfigureAwait(true);

Build/Solutions.cs

@@ -45,6 +45,7 @@ public static class Solutions
 
     CheckAndRemoveKnown("Speckle.Objects");
     CheckAndRemoveKnown("Speckle.Sdk");
+    CheckAndRemoveKnown("Speckle.Sdk.Dependencies");
     if (localProjects.Count != 0)
     {
       throw new InvalidOperationException(

Build/Versions.cs

@@ -0,0 +1,79 @@
+using Semver;
+using static SimpleExec.Command;
+
+namespace Build;
+
+public static class Versions
+{
+  private static string? s_currentTag;
+  private static SemVersion? s_currentVersion;
+
+  public static async Task<string> GetCurrentTag()
+  {
+    if (s_currentTag is not null)
+    {
+      return s_currentTag;
+    }
+    //finds current tag or makes one
+    var (currentTag, _) = await ReadAsync("git", "describe --tags");
+    currentTag = currentTag.Trim();
+    s_currentTag = currentTag;
+    return s_currentTag;
+  }
+
+  public static async Task<SemVersion> ComputeVersion()
+  {
+    if (s_currentVersion is not null)
+    {
+      return s_currentVersion;
+    }
+    var currentTag = await GetCurrentTag();
+
+    if (!SemVersion.TryParse(currentTag, SemVersionStyles.AllowLowerV, out var currentVersion))
+    {
+      throw new InvalidOperationException($"Could not parse version: '{currentTag}'");
+    }
+    s_currentVersion = currentVersion;
+    return s_currentVersion;
+  }
+
+  private static string? s_currentFileVersion;
+
+  public static async Task<string> ComputeFileVersion()
+  {
+    if (s_currentFileVersion is not null)
+    {
+      return s_currentFileVersion;
+    }
+    var currentVersion = await ComputeVersion();
+    s_currentFileVersion = currentVersion.WithoutPrereleaseOrMetadata() + ".0";
+    return s_currentFileVersion;
+  }
+
+  public static async Task<string> GetPreviousTag(string currentTag)
+  {
+    //finds a tag starting with current tag and adds no abbrevation
+    var (lastTag, _) = await ReadAsync("git", $"describe --abbrev=0 --tags {currentTag}^");
+    lastTag = lastTag.Trim();
+
+    return lastTag;
+  }
+
+  private static SemVersion? s_previousVersion;
+
+  public static async Task<SemVersion> ComputePreviousVersion(string currentTag)
+  {
+    if (s_previousVersion is not null)
+    {
+      return s_previousVersion;
+    }
+    var lastTag = await GetPreviousTag(currentTag);
+
+    if (!SemVersion.TryParse(lastTag, SemVersionStyles.AllowLowerV, out var lastVersion))
+    {
+      throw new InvalidOperationException($"Could not parse version: '{lastTag}'");
+    }
+    s_previousVersion = lastVersion;
+    return s_previousVersion;
+  }
+}

Build/packages.lock.json

@@ -16,18 +16,16 @@
       },
       "Microsoft.Build": {
         "type": "Direct",
-        "requested": "[17.10.4, )",
-        "resolved": "17.10.4",
-        "contentHash": "ZmGA8vhVXFzC4oo48ybQKlEybVKd0Ntfdr+Enqrn5ES1R6e/krIK9hLk0W33xuT0/G6QYd3YdhJZh+Xle717Ag==",
+        "requested": "[17.11.4, )",
+        "resolved": "17.11.4",
+        "contentHash": "UMC7DfeFEHY2GGHHaghybUuUlLaByFHEFudR2PehMgDBuRuLAUePp1iaa4eFtVzepRzMtIbeSCVJCzzX3NV2Gg==",
         "dependencies": {
-          "Microsoft.Build.Framework": "17.10.4",
-          "Microsoft.NET.StringTools": "17.10.4",
+          "Microsoft.Build.Framework": "17.11.4",
+          "Microsoft.NET.StringTools": "17.11.4",
           "System.Collections.Immutable": "8.0.0",
           "System.Configuration.ConfigurationManager": "8.0.0",
           "System.Reflection.Metadata": "8.0.0",
-          "System.Reflection.MetadataLoadContext": "8.0.0",
-          "System.Security.Principal.Windows": "5.0.0",
-          "System.Threading.Tasks.Dataflow": "8.0.0"
+          "System.Reflection.MetadataLoadContext": "8.0.0"
         }
       },
       "Microsoft.NETFramework.ReferenceAssemblies": {
@@ -55,6 +53,15 @@
         "resolved": "1.14.1",
         "contentHash": "mOOmFYwad3MIOL14VCjj02LljyF1GNw1wP0YVlxtcPvqdxjGGMNdNJJxHptlry3MOd8b40Flm8RPOM8JOlN2sQ=="
       },
+      "Semver": {
+        "type": "Direct",
+        "requested": "[3.0.0, )",
+        "resolved": "3.0.0",
+        "contentHash": "9jZCicsVgTebqkAujRWtC9J1A5EQVlu0TVKHcgoCuv345ve5DYf4D1MjhKEnQjdRZo6x/vdv6QQrYFs7ilGzLA==",
+        "dependencies": {
+          "Microsoft.Extensions.Primitives": "5.0.1"
+        }
+      },
       "SimpleExec": {
         "type": "Direct",
         "requested": "[12.0.0, )",
@@ -69,18 +76,23 @@
       },
       "Microsoft.Build.Framework": {
         "type": "Transitive",
-        "resolved": "17.10.4",
-        "contentHash": "4qXCwNOXBR1dyCzuks9SwTwFJQO/xmf2wcMislotDWJu7MN/r3xDNoU8Ae5QmKIHPaLG1xmfDkYS7qBVzxmeKw=="
+        "resolved": "17.11.4",
+        "contentHash": "u28uDihlqxtt8h2dL1ZJOZ7TRkxBK+HGr+3FgQpILVo7Q7gErkw8mYW9R+RM5PtxvZTdYb/4MWDL66vdIsANBQ=="
       },
       "Microsoft.Build.Tasks.Git": {
         "type": "Transitive",
         "resolved": "8.0.0",
         "contentHash": "bZKfSIKJRXLTuSzLudMFte/8CempWjVamNUR5eHJizsy+iuOuO/k2gnh7W0dHJmYY0tBf+gUErfluCv5mySAOQ=="
       },
+      "Microsoft.Extensions.Primitives": {
+        "type": "Transitive",
+        "resolved": "5.0.1",
+        "contentHash": "5WPSmL4YeP7eW+Vc8XZ4DwjYWBAiSwDV9Hm63JJWcz1Ie3Xjv4KuJXzgCstj48LkLfVCYa7mLcx7y+q6yqVvtw=="
+      },
       "Microsoft.NET.StringTools": {
         "type": "Transitive",
-        "resolved": "17.10.4",
-        "contentHash": "wyABaqY+IHCMMSTQmcc3Ca6vbmg5BaEPgicnEgpll+4xyWZWlkQqUwafweUd9VAhBb4jqplMl6voUHQ6yfdUcg=="
+        "resolved": "17.11.4",
+        "contentHash": "mudqUHhNpeqIdJoUx2YDWZO/I9uEDYVowan89R6wsomfnUJQk6HteoQTlNjZDixhT2B4IXMkMtgZtoceIjLRmA=="
       },
       "Microsoft.NETFramework.ReferenceAssemblies.net461": {
         "type": "Transitive",
@@ -132,17 +144,6 @@
         "type": "Transitive",
         "resolved": "8.0.0",
         "contentHash": "+TUFINV2q2ifyXauQXRwy4CiBhqvDEDZeVJU7qfxya4aRYOKzVBpN+4acx25VcPB9ywUN6C0n8drWl110PhZEg=="
-      },
-      "System.Security.Principal.Windows": {
-        "type": "Transitive",
-        "resolved": "5.0.0",
-        "contentHash": "t0MGLukB5WAVU9bO3MGzvlGnyJPgUlcwerXn1kzBRjwLKixT96XV0Uza41W49gVd8zEMFu9vQEFlv0IOrytICA=="
-      },
-      "System.Threading.Tasks.Dataflow": {
-        "type": "CentralTransitive",
-        "requested": "[6.0.0, )",
-        "resolved": "8.0.0",
-        "contentHash": "7V0I8tPa9V7UxMx/+7DIwkhls5ouaEMQx6l/GwGm1Y8kJQ61On9B/PxCXFLbgu5/C47g0BP2CUYs+nMv1+Oaqw=="
       }
     }
   }

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/Bindings/ArcGISReceiveBinding.cs

@@ -19,7 +19,7 @@ namespace Speckle.Connectors.ArcGIS.Bindings;
 public sealed class ArcGISReceiveBinding : IReceiveBinding
 {
   public string Name { get; } = "receiveBinding";
-  private readonly CancellationManager _cancellationManager;
+  private readonly ICancellationManager _cancellationManager;
   private readonly DocumentModelStore _store;
   private readonly IServiceProvider _serviceProvider;
   private readonly IOperationProgressManager _operationProgressManager;
@@ -32,7 +32,7 @@ public sealed class ArcGISReceiveBinding : IReceiveBinding
   public ArcGISReceiveBinding(
     DocumentModelStore store,
     IBrowserBridge parent,
-    CancellationManager cancellationManager,
+    ICancellationManager cancellationManager,
     IServiceProvider serviceProvider,
     IOperationProgressManager operationProgressManager,
     ILogger<ArcGISReceiveBinding> logger,
@@ -60,7 +60,7 @@ public sealed class ArcGISReceiveBinding : IReceiveBinding
         throw new InvalidOperationException("No download model card was found.");
       }
 
-      CancellationToken cancellationToken = _cancellationManager.InitCancellationTokenSource(modelCardId);
+      using var cancellationItem = _cancellationManager.GetCancellationItem(modelCardId);
       using var scope = _serviceProvider.CreateScope();
       scope
         .ServiceProvider.GetRequiredService<IConverterSettingsStore<ArcGISConversionSettings>>()
@@ -76,19 +76,12 @@ public sealed class ArcGISReceiveBinding : IReceiveBinding
         .ServiceProvider.GetRequiredService<ReceiveOperation>()
         .Execute(
           modelCard.GetReceiveInfo("ArcGIS"), // POC: get host app name from settings? same for GetSendInfo
-          cancellationToken,
-          (status, progress) =>
-            _operationProgressManager.SetModelProgress(
-              Parent,
-              modelCardId,
-              new ModelCardProgress(modelCardId, status, progress),
-              cancellationToken
-            )
-        )
-        .ConfigureAwait(false);
+          _operationProgressManager.CreateOperationProgressEventHandler(Parent, modelCardId, cancellationItem.Token),
+          cancellationItem.Token
+        );
 
       modelCard.BakedObjectIds = receiveOperationResults.BakedObjectIds.ToList();
-      Commands.SetModelReceiveResult(
+      await Commands.SetModelReceiveResult(
         modelCardId,
         receiveOperationResults.BakedObjectIds,
         receiveOperationResults.ConversionResults
@@ -104,7 +97,7 @@ public sealed class ArcGISReceiveBinding : IReceiveBinding
     catch (Exception ex) when (!ex.IsFatal()) // UX reasons - we will report operation exceptions as model card error. We may change this later when we have more exception documentation
     {
       _logger.LogModelCardHandledError(ex);
-      Commands.SetModelError(modelCardId, ex);
+      await Commands.SetModelError(modelCardId, ex);
     }
   }
 

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/Bindings/ArcGISSelectionBinding.cs

@@ -1,5 +1,6 @@
 using ArcGIS.Desktop.Mapping;
 using ArcGIS.Desktop.Mapping.Events;
+using Speckle.Connectors.ArcGIS.Utils;
 using Speckle.Connectors.DUI.Bindings;
 using Speckle.Connectors.DUI.Bridge;
 
@@ -7,17 +8,22 @@ namespace Speckle.Connectors.ArcGIS.Bindings;
 
 public class ArcGISSelectionBinding : ISelectionBinding
 {
+  private readonly MapMembersUtils _mapMemberUtils;
   public string Name => "selectionBinding";
   public IBrowserBridge Parent { get; }
 
-  public ArcGISSelectionBinding(IBrowserBridge parent)
+  public ArcGISSelectionBinding(
+    IBrowserBridge parent,
+    MapMembersUtils mapMemberUtils,
+    ITopLevelExceptionHandler topLevelExceptionHandler
+  )
   {
+    _mapMemberUtils = mapMemberUtils;
     Parent = parent;
-    var topLevelHandler = parent.TopLevelExceptionHandler;
 
     // example: https://github.com/Esri/arcgis-pro-sdk-community-samples/blob/master/Map-Authoring/QueryBuilderControl/DefinitionQueryDockPaneViewModel.cs
     // MapViewEventArgs args = new(MapView.Active);
-    TOCSelectionChangedEvent.Subscribe(_ => topLevelHandler.CatchUnhandled(OnSelectionChanged), true);
+    TOCSelectionChangedEvent.Subscribe(_ => topLevelExceptionHandler.CatchUnhandled(OnSelectionChanged), true);
   }
 
   private void OnSelectionChanged()
@@ -50,17 +56,8 @@ public class ArcGISSelectionBinding : ISelectionBinding
     selectedMembers.AddRange(mapView.GetSelectedStandaloneTables());
 
     List<MapMember> allNestedMembers = new();
-    foreach (MapMember member in selectedMembers)
-    {
-      if (member is GroupLayer group)
-      {
-        GetLayersFromGroup(group, allNestedMembers);
-      }
-      else
-      {
-        allNestedMembers.Add(member);
-      }
-    }
+    var layerMapMembers = _mapMemberUtils.UnpackMapLayers(selectedMembers);
+    allNestedMembers.AddRange(layerMapMembers);
 
     List<string> objectTypes = allNestedMembers
       .Select(o => o.GetType().ToString().Split(".").Last())

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/Bindings/ArcGISSendBinding.cs

@@ -9,9 +9,11 @@ using ArcGIS.Desktop.Mapping.Events;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using Speckle.Connectors.ArcGIS.Filters;
+using Speckle.Connectors.ArcGIS.Utils;
 using Speckle.Connectors.Common.Caching;
 using Speckle.Connectors.Common.Cancellation;
 using Speckle.Connectors.Common.Operations;
+using Speckle.Connectors.Common.Threading;
 using Speckle.Connectors.DUI.Bindings;
 using Speckle.Connectors.DUI.Bridge;
 using Speckle.Connectors.DUI.Exceptions;
@@ -37,12 +39,14 @@ public sealed class ArcGISSendBinding : ISendBinding
   private readonly DocumentModelStore _store;
   private readonly IServiceProvider _serviceProvider;
   private readonly List<ISendFilter> _sendFilters;
-  private readonly CancellationManager _cancellationManager;
+  private readonly ICancellationManager _cancellationManager;
   private readonly ISendConversionCache _sendConversionCache;
   private readonly IOperationProgressManager _operationProgressManager;
   private readonly ILogger<ArcGISSendBinding> _logger;
   private readonly ITopLevelExceptionHandler _topLevelExceptionHandler;
   private readonly IArcGISConversionSettingsFactory _arcGISConversionSettingsFactory;
+  private readonly IThreadContext _threadContext;
+  private readonly ISpeckleApplication _speckleApplication;
 
   /// <summary>
   /// Used internally to aggregate the changed objects' id. Note we're using a concurrent dictionary here as the expiry check method is not thread safe, and this was causing problems. See:
@@ -54,17 +58,22 @@ public sealed class ArcGISSendBinding : ISendBinding
 
   private List<FeatureLayer> SubscribedLayers { get; set; } = new();
   private List<StandaloneTable> SubscribedTables { get; set; } = new();
+  private readonly MapMembersUtils _mapMemberUtils;
 
   public ArcGISSendBinding(
     DocumentModelStore store,
     IBrowserBridge parent,
     IEnumerable<ISendFilter> sendFilters,
     IServiceProvider serviceProvider,
-    CancellationManager cancellationManager,
+    ICancellationManager cancellationManager,
     ISendConversionCache sendConversionCache,
     IOperationProgressManager operationProgressManager,
     ILogger<ArcGISSendBinding> logger,
-    IArcGISConversionSettingsFactory arcGisConversionSettingsFactory
+    IArcGISConversionSettingsFactory arcGisConversionSettingsFactory,
+    MapMembersUtils mapMemberUtils,
+    IThreadContext threadContext,
+    ISpeckleApplication speckleApplication,
+    ITopLevelExceptionHandler topLevelExceptionHandler
   )
   {
     _store = store;
@@ -74,8 +83,11 @@ public sealed class ArcGISSendBinding : ISendBinding
     _sendConversionCache = sendConversionCache;
     _operationProgressManager = operationProgressManager;
     _logger = logger;
-    _topLevelExceptionHandler = parent.TopLevelExceptionHandler;
+    _topLevelExceptionHandler = topLevelExceptionHandler;
     _arcGISConversionSettingsFactory = arcGisConversionSettingsFactory;
+    _mapMemberUtils = mapMemberUtils;
+    _threadContext = threadContext;
+    _speckleApplication = speckleApplication;
 
     Parent = parent;
     Commands = new SendBindingUICommands(parent);
@@ -86,30 +98,48 @@ public sealed class ArcGISSendBinding : ISendBinding
     };
   }
 
+  private void OnDocumentStoreChangedEvent(object _) => _sendConversionCache.ClearCache();
+
   private void SubscribeToArcGISEvents()
   {
     LayersRemovedEvent.Subscribe(
-      a => _topLevelExceptionHandler.CatchUnhandled(() => GetIdsForLayersRemovedEvent(a)),
+      a =>
+        _topLevelExceptionHandler.FireAndForget(
+          async () => await QueuedTask.Run(async () => await GetIdsForLayersRemovedEvent(a))
+        ),
       true
     );
 
     StandaloneTablesRemovedEvent.Subscribe(
-      a => _topLevelExceptionHandler.CatchUnhandled(() => GetIdsForStandaloneTablesRemovedEvent(a)),
+      a =>
+        _topLevelExceptionHandler.FireAndForget(
+          async () => await QueuedTask.Run(async () => await GetIdsForStandaloneTablesRemovedEvent(a))
+        ),
       true
     );
 
     MapPropertyChangedEvent.Subscribe(
-      a => _topLevelExceptionHandler.CatchUnhandled(() => GetIdsForMapPropertyChangedEvent(a)),
+      a =>
+        _topLevelExceptionHandler.FireAndForget(
+          async () => await QueuedTask.Run(async () => await GetIdsForMapPropertyChangedEvent(a))
+        ),
       true
     ); // Map units, CRS etc.
 
     MapMemberPropertiesChangedEvent.Subscribe(
-      a => _topLevelExceptionHandler.CatchUnhandled(() => GetIdsForMapMemberPropertiesChangedEvent(a)),
+      a =>
+        _topLevelExceptionHandler.FireAndForget(
+          async () => await QueuedTask.Run(async () => await GetIdsForMapMemberPropertiesChangedEvent(a))
+        ),
       true
     ); // e.g. Layer name
 
     ActiveMapViewChangedEvent.Subscribe(
-      _ => _topLevelExceptionHandler.CatchUnhandled(SubscribeToMapMembersDataSourceChange),
+      _ =>
+        _topLevelExceptionHandler.FireAndForget(async () =>
+        {
+          await QueuedTask.Run(SubscribeToMapMembersDataSourceChange);
+        }),
       true
     );
 
@@ -125,28 +155,24 @@ public sealed class ArcGISSendBinding : ISendBinding
 
   private void SubscribeToMapMembersDataSourceChange()
   {
-    var task = QueuedTask.Run(() =>
+    if (MapView.Active == null)
     {
-      if (MapView.Active == null)
-      {
-        return;
-      }
+      return;
+    }
 
-      // subscribe to layers
-      foreach (Layer layer in MapView.Active.Map.Layers)
+    // subscribe to layers
+    foreach (Layer layer in MapView.Active.Map.Layers)
+    {
+      if (layer is FeatureLayer featureLayer)
       {
-        if (layer is FeatureLayer featureLayer)
-        {
-          SubscribeToFeatureLayerDataSourceChange(featureLayer);
-        }
+        SubscribeToFeatureLayerDataSourceChange(featureLayer);
       }
-      // subscribe to tables
-      foreach (StandaloneTable table in MapView.Active.Map.StandaloneTables)
-      {
-        SubscribeToTableDataSourceChange(table);
-      }
-    });
-    task.Wait();
+    }
+    // subscribe to tables
+    foreach (StandaloneTable table in MapView.Active.Map.StandaloneTables)
+    {
+      SubscribeToTableDataSourceChange(table);
+    }
   }
 
   private void SubscribeToFeatureLayerDataSourceChange(FeatureLayer layer)
@@ -181,28 +207,31 @@ public sealed class ArcGISSendBinding : ISendBinding
   {
     RowCreatedEvent.Subscribe(
       (args) =>
-      {
-        OnRowChanged(args);
-      },
+        _topLevelExceptionHandler.FireAndForget(async () =>
+        {
+          await OnRowChanged(args);
+        }),
       layerTable
     );
     RowChangedEvent.Subscribe(
       (args) =>
-      {
-        OnRowChanged(args);
-      },
+        _topLevelExceptionHandler.FireAndForget(async () =>
+        {
+          await OnRowChanged(args);
+        }),
       layerTable
     );
     RowDeletedEvent.Subscribe(
       (args) =>
-      {
-        OnRowChanged(args);
-      },
+        _topLevelExceptionHandler.FireAndForget(async () =>
+        {
+          await OnRowChanged(args);
+        }),
       layerTable
     );
   }
 
-  private void OnRowChanged(RowChangedEventArgs args)
+  private async Task OnRowChanged(RowChangedEventArgs args)
   {
     if (args == null || MapView.Active == null)
     {
@@ -241,60 +270,38 @@ public sealed class ArcGISSendBinding : ISendBinding
       }
     }
 
-    RunExpirationChecks(false);
+    await RunExpirationChecks(false);
   }
 
-  private void GetIdsForLayersRemovedEvent(LayerEventsArgs args)
+  private async Task GetIdsForLayersRemovedEvent(LayerEventsArgs args)
   {
     foreach (Layer layer in args.Layers)
     {
       ChangedObjectIds[layer.URI] = 1;
     }
-    RunExpirationChecks(true);
+    await RunExpirationChecks(true);
   }
 
-  private void GetIdsForStandaloneTablesRemovedEvent(StandaloneTableEventArgs args)
+  private async Task GetIdsForStandaloneTablesRemovedEvent(StandaloneTableEventArgs args)
   {
     foreach (StandaloneTable table in args.Tables)
     {
       ChangedObjectIds[table.URI] = 1;
     }
-    RunExpirationChecks(true);
+    await RunExpirationChecks(true);
   }
 
-  private void AddChangedNestedObjectIds(GroupLayer group)
+  private async Task GetIdsForMapPropertyChangedEvent(MapPropertyChangedEventArgs args)
   {
-    ChangedObjectIds[group.URI] = 1;
-    foreach (var member in group.Layers)
+    foreach (Map map in args.Maps)
     {
-      if (member is GroupLayer subGroup)
-      {
-        AddChangedNestedObjectIds(subGroup);
-      }
-      else
+      List<MapMember> allMapMembers = _mapMemberUtils.GetAllMapMembers(map);
+      foreach (MapMember member in allMapMembers)
       {
         ChangedObjectIds[member.URI] = 1;
       }
     }
-  }
-
-  private void GetIdsForMapPropertyChangedEvent(MapPropertyChangedEventArgs args)
-  {
-    foreach (Map map in args.Maps)
-    {
-      foreach (MapMember member in map.Layers)
-      {
-        if (member is GroupLayer group)
-        {
-          AddChangedNestedObjectIds(group);
-        }
-        else
-        {
-          ChangedObjectIds[member.URI] = 1;
-        }
-      }
-    }
-    RunExpirationChecks(false);
+    await RunExpirationChecks(false);
   }
 
   private void GetIdsForLayersAddedEvent(LayerEventsArgs args)
@@ -316,7 +323,7 @@ public sealed class ArcGISSendBinding : ISendBinding
     }
   }
 
-  private void GetIdsForMapMemberPropertiesChangedEvent(MapMemberPropertiesChangedEventArgs args)
+  private async Task GetIdsForMapMemberPropertiesChangedEvent(MapMemberPropertiesChangedEventArgs args)
   {
     // don't subscribe to all events (e.g. expanding group, changing visibility etc.)
     bool validEvent = false;
@@ -344,7 +351,7 @@ public sealed class ArcGISSendBinding : ISendBinding
       {
         ChangedObjectIds[member.URI] = 1;
       }
-      RunExpirationChecks(false);
+      await RunExpirationChecks(false);
     }
   }
 
@@ -369,70 +376,61 @@ public sealed class ArcGISSendBinding : ISendBinding
         throw new InvalidOperationException("No publish model card was found.");
       }
 
-      CancellationToken cancellationToken = _cancellationManager.InitCancellationTokenSource(modelCardId);
+      using var cancellationItem = _cancellationManager.GetCancellationItem(modelCardId);
 
-      var sendResult = await QueuedTask
-        .Run(async () =>
-        {
-          using var scope = _serviceProvider.CreateScope();
-          scope
-            .ServiceProvider.GetRequiredService<IConverterSettingsStore<ArcGISConversionSettings>>()
-            .Initialize(
-              _arcGISConversionSettingsFactory.Create(
-                Project.Current,
-                MapView.Active.Map,
-                new CRSoffsetRotation(MapView.Active.Map)
-              )
-            );
-          List<MapMember> mapMembers = modelCard
-            .SendFilter.NotNull()
-            .GetObjectIds()
-            .Select(id => (MapMember)MapView.Active.Map.FindLayer(id) ?? MapView.Active.Map.FindStandaloneTable(id))
-            .Where(obj => obj != null)
-            .ToList();
-
-          if (mapMembers.Count == 0)
-          {
-            // Handle as CARD ERROR in this function
-            throw new SpeckleSendFilterException(
-              "No objects were found to convert. Please update your publish filter!"
-            );
-          }
-
-          // subscribe to the selected layer events
-          foreach (MapMember mapMember in mapMembers)
-          {
-            if (mapMember is FeatureLayer featureLayer)
-            {
-              SubscribeToFeatureLayerDataSourceChange(featureLayer);
-            }
-            else if (mapMember is StandaloneTable table)
-            {
-              SubscribeToTableDataSourceChange(table);
-            }
-          }
-
-          var result = await scope
-            .ServiceProvider.GetRequiredService<SendOperation<MapMember>>()
-            .Execute(
-              mapMembers,
-              modelCard.GetSendInfo("ArcGIS"), // POC: get host app name from settings? same for GetReceiveInfo
-              (status, progress) =>
-                _operationProgressManager.SetModelProgress(
-                  Parent,
-                  modelCardId,
-                  new ModelCardProgress(modelCardId, status, progress),
-                  cancellationToken
-                ),
-              cancellationToken
+      using var scope = _serviceProvider.CreateScope();
+      List<MapMember> mapMembers = await QueuedTask.Run(() =>
+      {
+        scope
+          .ServiceProvider.GetRequiredService<IConverterSettingsStore<ArcGISConversionSettings>>()
+          .Initialize(
+            _arcGISConversionSettingsFactory.Create(
+              Project.Current,
+              MapView.Active.Map,
+              new CRSoffsetRotation(MapView.Active.Map)
             )
-            .ConfigureAwait(false);
+          );
 
-          return result;
-        })
-        .ConfigureAwait(false);
+        return modelCard
+          .SendFilter.NotNull()
+          .RefreshObjectIds()
+          .Select(id => (MapMember)MapView.Active.Map.FindLayer(id) ?? MapView.Active.Map.FindStandaloneTable(id))
+          .Where(obj => obj != null)
+          .ToList();
+      });
 
-      Commands.SetModelSendResult(modelCardId, sendResult.RootObjId, sendResult.ConversionResults);
+      if (mapMembers.Count == 0)
+      {
+        // Handle as CARD ERROR in this function
+        throw new SpeckleSendFilterException("No objects were found to convert. Please update your publish filter!");
+      }
+
+      await QueuedTask.Run(() =>
+      {
+        // subscribe to the selected layer events
+        foreach (MapMember mapMember in mapMembers)
+        {
+          if (mapMember is FeatureLayer featureLayer)
+          {
+            SubscribeToFeatureLayerDataSourceChange(featureLayer);
+          }
+          else if (mapMember is StandaloneTable table)
+          {
+            SubscribeToTableDataSourceChange(table);
+          }
+        }
+      });
+
+      var sendResult = await scope
+        .ServiceProvider.GetRequiredService<SendOperation<MapMember>>()
+        .Execute(
+          mapMembers,
+          modelCard.GetSendInfo(_speckleApplication.ApplicationAndVersion),
+          _operationProgressManager.CreateOperationProgressEventHandler(Parent, modelCardId, cancellationItem.Token),
+          cancellationItem.Token
+        );
+
+      await Commands.SetModelSendResult(modelCardId, sendResult.RootObjId, sendResult.ConversionResults);
     }
     catch (OperationCanceledException)
     {
@@ -444,7 +442,7 @@ public sealed class ArcGISSendBinding : ISendBinding
     catch (Exception ex) when (!ex.IsFatal()) // UX reasons - we will report operation exceptions as model card error. We may change this later when we have more exception documentation
     {
       _logger.LogModelCardHandledError(ex);
-      Commands.SetModelError(modelCardId, ex);
+      await Commands.SetModelError(modelCardId, ex);
     }
   }
 
@@ -453,7 +451,7 @@ public sealed class ArcGISSendBinding : ISendBinding
   /// <summary>
   /// Checks if any sender model cards contain any of the changed objects. If so, also updates the changed objects hashset for each model card - this last part is important for on send change detection.
   /// </summary>
-  private void RunExpirationChecks(bool idsDeleted)
+  private async Task RunExpirationChecks(bool idsDeleted)
   {
     var senders = _store.GetSenders();
     List<string> expiredSenderIds = new();
@@ -463,9 +461,9 @@ public sealed class ArcGISSendBinding : ISendBinding
 
     foreach (SenderModelCard sender in senders)
     {
-      var objIds = sender.SendFilter.NotNull().GetObjectIds();
+      var objIds = sender.SendFilter.NotNull().RefreshObjectIds();
       var intersection = objIds.Intersect(objectIdsList).ToList();
-      bool isExpired = sender.SendFilter.NotNull().CheckExpiry(objectIdsList);
+      bool isExpired = intersection.Count != 0;
       if (isExpired)
       {
         expiredSenderIds.Add(sender.ModelCardId.NotNull());
@@ -479,7 +477,7 @@ public sealed class ArcGISSendBinding : ISendBinding
       }
     }
 
-    Commands.SetModelsExpired(expiredSenderIds);
+    await Commands.SetModelsExpired(expiredSenderIds);
     ChangedObjectIds = new();
   }
 }

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/Bindings/BasicConnectorBinding.cs

@@ -21,18 +21,26 @@ public class BasicConnectorBinding : IBasicConnectorBinding
   public BasicConnectorBindingCommands Commands { get; }
   private readonly DocumentModelStore _store;
   private readonly ISpeckleApplication _speckleApplication;
+  private readonly ITopLevelExceptionHandler _topLevelExceptionHandler;
 
-  public BasicConnectorBinding(DocumentModelStore store, IBrowserBridge parent, ISpeckleApplication speckleApplication)
+  public BasicConnectorBinding(
+    DocumentModelStore store,
+    IBrowserBridge parent,
+    ISpeckleApplication speckleApplication,
+    ITopLevelExceptionHandler topLevelExceptionHandler
+  )
   {
     _store = store;
     _speckleApplication = speckleApplication;
+    _topLevelExceptionHandler = topLevelExceptionHandler;
     Parent = parent;
     Commands = new BasicConnectorBindingCommands(parent);
 
     _store.DocumentChanged += (_, _) =>
-    {
-      Commands.NotifyDocumentChanged();
-    };
+      _topLevelExceptionHandler.FireAndForget(async () =>
+      {
+        await Commands.NotifyDocumentChanged();
+      });
   }
 
   public string GetSourceApplicationName() => _speckleApplication.Slug;
@@ -53,16 +61,20 @@ public class BasicConnectorBinding : IBasicConnectorBinding
 
   public DocumentModelStore GetDocumentState() => _store;
 
-  public void AddModel(ModelCard model) => _store.Models.Add(model);
+  public void AddModel(ModelCard model) => _store.AddModel(model);
 
   public void UpdateModel(ModelCard model) => _store.UpdateModel(model);
 
   public void RemoveModel(ModelCard model) => _store.RemoveModel(model);
 
-  public void HighlightObjects(List<string> objectIds) =>
-    HighlightObjectsOnView(objectIds.Select(x => new ObjectID(x)).ToList());
+  public void RemoveModels(List<ModelCard> models) => _store.RemoveModels(models);
 
-  public void HighlightModel(string modelCardId)
+  public async Task HighlightObjects(IReadOnlyList<string> objectIds)
+  {
+    await HighlightObjectsOnView(objectIds.Select(x => new ObjectID(x)).ToList());
+  }
+
+  public async Task HighlightModel(string modelCardId)
   {
     var model = _store.GetModelById(modelCardId);
 
@@ -75,7 +87,7 @@ public class BasicConnectorBinding : IBasicConnectorBinding
 
     if (model is SenderModelCard senderModelCard)
     {
-      objectIds = senderModelCard.SendFilter.NotNull().GetObjectIds().Select(x => new ObjectID(x)).ToList();
+      objectIds = senderModelCard.SendFilter.NotNull().RefreshObjectIds().Select(x => new ObjectID(x)).ToList();
     }
 
     if (model is ReceiverModelCard receiverModelCard)
@@ -87,27 +99,25 @@ public class BasicConnectorBinding : IBasicConnectorBinding
     {
       return;
     }
-    HighlightObjectsOnView(objectIds);
+    await HighlightObjectsOnView(objectIds);
   }
 
-  private async void HighlightObjectsOnView(List<ObjectID> objectIds)
+  private async Task HighlightObjectsOnView(IReadOnlyList<ObjectID> objectIds)
   {
-    MapView mapView = MapView.Active;
+    await QueuedTask.Run(() =>
+    {
+      MapView mapView = MapView.Active;
 
-    await QueuedTask
-      .Run(() =>
-      {
-        List<MapMemberFeature> mapMembersFeatures = GetMapMembers(objectIds, mapView);
-        ClearSelectionInTOC();
-        ClearSelection();
-        SelectMapMembersInTOC(mapMembersFeatures);
-        SelectMapMembersAndFeatures(mapMembersFeatures);
-        mapView.ZoomToSelected();
-      })
-      .ConfigureAwait(false);
+      List<MapMemberFeature> mapMembersFeatures = GetMapMembers(objectIds, mapView);
+      ClearSelectionInTOC();
+      ClearSelection();
+      SelectMapMembersInTOC(mapMembersFeatures);
+      SelectMapMembersAndFeatures(mapMembersFeatures);
+      mapView.ZoomToSelected();
+    });
   }
 
-  private List<MapMemberFeature> GetMapMembers(List<ObjectID> objectIds, MapView mapView)
+  private List<MapMemberFeature> GetMapMembers(IReadOnlyList<ObjectID> objectIds, MapView mapView)
   {
     // find the layer on the map (from the objectID) and add the featureID is available
     List<MapMemberFeature> mapMembersFeatures = new();
@@ -145,7 +155,7 @@ public class BasicConnectorBinding : IBasicConnectorBinding
     MapView.Active.ClearTOCSelection();
   }
 
-  private void SelectMapMembersAndFeatures(List<MapMemberFeature> mapMembersFeatures)
+  private void SelectMapMembersAndFeatures(IReadOnlyList<MapMemberFeature> mapMembersFeatures)
   {
     foreach (MapMemberFeature mapMemberFeat in mapMembersFeatures)
     {
@@ -170,7 +180,7 @@ public class BasicConnectorBinding : IBasicConnectorBinding
     }
   }
 
-  private void SelectMapMembersInTOC(List<MapMemberFeature> mapMembersFeatures)
+  private void SelectMapMembersInTOC(IReadOnlyList<MapMemberFeature> mapMembersFeatures)
   {
     List<Layer> layers = new();
     List<StandaloneTable> tables = new();
@@ -186,7 +196,7 @@ public class BasicConnectorBinding : IBasicConnectorBinding
         }
         else
         {
-          QueuedTask.Run(() => layer.SetExpanded(true));
+          layer.SetExpanded(true);
         }
       }
       else if (member is StandaloneTable table)

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/Config.daml

@@ -20,7 +20,7 @@
 <ArcGIS defaultAssembly="Speckle.Connectors.ArcGIS3.dll" defaultNamespace="Speckle.Connectors.ArcGIS" xmlns="http://schemas.esri.com/DADF/Registry" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://schemas.esri.com/DADF/Registry file:///C:/Program%20Files/ArcGIS/Pro/bin/ArcGIS.Desktop.Framework.xsd">
 	<AddInInfo id="{6CB1D25C-B8BF-4A33-9099-C1F8D1B32EFC}" version="1.0" desktopVersion="3.0.34047">
 		<Name>Speckle</Name>
-		<Description>Speckle connector for ArcGIS</Description>
+		<Description>Next Gen Speckle Connector (Beta) for ArcGIS</Description>
 		<Image>Images\AddinDesktop32.png</Image>
 		<Author>Speckle Systems</Author>
 		<Company>Speckle Systems</Company>
@@ -33,14 +33,14 @@
 		<insertModule id="ConnectorArcGIS_Module" className="SpeckleModule" autoLoad="false" caption="SpeckleModule">
 			<!-- uncomment to have the control hosted on a separate tab-->
 			<tabs>
-				<!--<tab id="Speckle_Tab1" caption="New Tab">
+				<tab id="Speckle_Tab1" caption="Speckle">
           <group refID="Speckle_Group1"/>
-        </tab>-->
+        </tab>
 			</tabs>
 			<groups>
 				<!-- comment this out if you have no controls on the Addin tab to avoid
-              an empty group-->
-				<group id="Speckle_Group1" caption="Speckle" appearsOnAddInTab="true" keytip="G1">
+              an empty group. change appearsOnAddinTab to "True" if control is to be in the addin tab-->
+				<group id="Speckle_Group1" caption="Speckle" appearsOnAddInTab="false" keytip="G1">
 					<!-- host controls within groups -->
 					<button refID="SpeckleDUI3_SpeckleDUI3OpenButton" size="large" />
 				</group>
@@ -59,7 +59,7 @@
 			</controls>
 
             <dockPanes>
-                <dockPane id="SpeckleDUI3_SpeckleDUI3" caption="Speckle (Beta) for ArcGIS" className="SpeckleDUI3ViewModel" keytip="DockPane" initiallyVisible="true" dock="group" dockWith="esri_core_projectDockPane">
+                <dockPane id="SpeckleDUI3_SpeckleDUI3" caption="Speckle (Beta)" className="SpeckleDUI3ViewModel" keytip="DockPane" initiallyVisible="true" dock="group" dockWith="esri_core_projectDockPane">
                     <content className="SpeckleDUI3Wrapper" />
                 </dockPane>
             </dockPanes>

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/DependencyInjection/ArcGISConnectorModule.cs

@@ -10,9 +10,9 @@ using Speckle.Connectors.Common;
 using Speckle.Connectors.Common.Builders;
 using Speckle.Connectors.Common.Caching;
 using Speckle.Connectors.Common.Operations;
+using Speckle.Connectors.Common.Threading;
 using Speckle.Connectors.DUI;
 using Speckle.Connectors.DUI.Bindings;
-using Speckle.Connectors.DUI.Models;
 using Speckle.Connectors.DUI.Models.Card.SendFilter;
 using Speckle.Connectors.DUI.WebView;
 using Speckle.Converters.Common;
@@ -28,41 +28,38 @@ public static class ArcGISConnectorModule
   public static void AddArcGIS(this IServiceCollection serviceCollection)
   {
     serviceCollection.AddConnectorUtils();
-    serviceCollection.AddDUI();
+    serviceCollection.AddDUI<DefaultThreadContext, ArcGISDocumentStore>();
     serviceCollection.AddDUIView();
 
-    serviceCollection.AddSingleton<DocumentModelStore, ArcGISDocumentStore>();
     // Register bindings
     serviceCollection.AddSingleton<IBinding, TestBinding>();
     serviceCollection.AddSingleton<IBinding, ConfigBinding>();
     serviceCollection.AddSingleton<IBinding, AccountBinding>();
-
-    serviceCollection.RegisterTopLevelExceptionHandler();
-
     serviceCollection.AddSingleton<IBinding>(sp => sp.GetRequiredService<IBasicConnectorBinding>());
     serviceCollection.AddSingleton<IBasicConnectorBinding, BasicConnectorBinding>();
 
-    serviceCollection.AddSingleton<IBinding, ArcGISSelectionBinding>();
-    serviceCollection.AddSingleton<IBinding, ArcGISSendBinding>();
-    serviceCollection.AddSingleton<IBinding, ArcGISReceiveBinding>();
-
-    serviceCollection.AddTransient<ISendFilter, ArcGISSelectionFilter>();
-    serviceCollection.AddScoped<IHostObjectBuilder, ArcGISHostObjectBuilder>();
     serviceCollection.AddSingleton(DefaultTraversal.CreateTraversalFunc());
 
     // register send operation and dependencies
+    serviceCollection.AddSingleton<IBinding, ArcGISSendBinding>();
     serviceCollection.AddScoped<SendOperation<MapMember>>();
+    serviceCollection.AddSingleton<IBinding, ArcGISSelectionBinding>();
+    serviceCollection.AddTransient<ISendFilter, ArcGISSelectionFilter>();
     serviceCollection.AddScoped<ArcGISRootObjectBuilder>();
     serviceCollection.AddScoped<IRootObjectBuilder<MapMember>, ArcGISRootObjectBuilder>();
-
-    serviceCollection.AddScoped<LocalToGlobalConverterUtils>();
-
-    serviceCollection.AddScoped<ArcGISColorManager>();
-    serviceCollection.AddScoped<MapMembersUtils>();
-
+    serviceCollection.AddScoped<ArcGISLayerUnpacker>();
+    serviceCollection.AddScoped<ArcGISColorUnpacker>();
     // register send conversion cache
     serviceCollection.AddSingleton<ISendConversionCache, SendConversionCache>();
 
+    // register receive operation and dependencies
+    // serviceCollection.AddSingleton<IBinding, ArcGISReceiveBinding>(); // POC: disabled until receive code is refactored
+    serviceCollection.AddScoped<LocalToGlobalConverterUtils>();
+    serviceCollection.AddScoped<ArcGISColorManager>();
+    serviceCollection.AddScoped<IHostObjectBuilder, ArcGISHostObjectBuilder>();
+
+    serviceCollection.AddScoped<MapMembersUtils>();
+
     // operation progress manager
     serviceCollection.AddSingleton<IOperationProgressManager, OperationProgressManager>();
   }

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/Esri.ArcGISPro.Extensions30.Speckle.targets

@@ -154,7 +154,6 @@
         Log.LogErrorFromException(ex);
         return false;
       }
-      return Success;
     ]]>
       </Code>
     </Task>
@@ -190,7 +189,7 @@
             {
                 Log.LogMessage(MessageImportance.Low, "RelativePaths: " + i.ToString());
             }
-            return true;
+            Success = true;
 			 ]]>
       </Code>
     </Task>
@@ -266,7 +265,6 @@
         CleanInfo = AssemblyName + extension;
       }
       Success = true;
-      return Success;
 	]]>
       </Code>
     </Task>

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/Filters/ArcGISEverythingFilter.cs

@@ -1,10 +0,0 @@
-using Speckle.Connectors.DUI.Models.Card.SendFilter;
-
-namespace Speckle.Connectors.ArcGIS.Filters;
-
-public class ArcGISEverythingFilter : EverythingSendFilter
-{
-  public override List<string> GetObjectIds() => new(); // TODO
-
-  public override bool CheckExpiry(string[] changedObjectIds) => true;
-}

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/Filters/ArcGISSelectionFilter.cs

@@ -4,7 +4,10 @@ namespace Speckle.Connectors.ArcGIS.Filters;
 
 public class ArcGISSelectionFilter : DirectSelectionSendFilter
 {
-  public override List<string> GetObjectIds() => SelectedObjectIds;
+  public ArcGISSelectionFilter()
+  {
+    IsDefault = true;
+  }
 
-  public override bool CheckExpiry(string[] changedObjectIds) => SelectedObjectIds.Intersect(changedObjectIds).Any();
+  public override List<string> RefreshObjectIds() => SelectedObjectIds;
 }

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/GlobalUsing.cs

@@ -0,0 +1,3 @@
+global using AC = ArcGIS.Core;
+global using ACD = ArcGIS.Core.Data;
+global using ADM = ArcGIS.Desktop.Mapping;

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/HostApp/ArcGISColorManager.cs

@@ -1,68 +1,38 @@
 using System.Drawing;
 using ArcGIS.Core.CIM;
-using ArcGIS.Core.Data;
 using ArcGIS.Desktop.Mapping;
+using Speckle.Connectors.Common.Operations;
 using Speckle.Converters.ArcGIS3.Utils;
 using Speckle.Objects;
 using Speckle.Objects.Other;
 using Speckle.Sdk.Models.Collections;
+using Speckle.Sdk.Models.Extensions;
 using Speckle.Sdk.Models.GraphTraversal;
 using Speckle.Sdk.Models.Proxies;
 
 namespace Speckle.Connectors.ArcGIS.HostApp;
 
+/// <summary>
+/// TODO: definitely need to refactor this, probably will collect colors during layer iteration in the root object builder.
+/// </summary>
 public class ArcGISColorManager
 {
-  private Dictionary<string, ColorProxy> ColorProxies { get; set; } = new();
   public Dictionary<string, Color> ObjectColorsIdMap { get; set; } = new();
   public Dictionary<string, Color> ObjectMaterialsIdMap { get; set; } = new();
 
-  /// <summary>
-  /// Iterates through a given set of arcGIS map members (layers containing objects) and collects their colors.
-  /// </summary>
-  /// <param name="mapMembersWithDisplayPriority"></param>
-  /// <returns>A list of color proxies, where the application Id is argb value + display priority</returns>
-  /// <remarks>
-  /// In ArcGIS, map members contain a formula, which individual features contained in map members will use to calculate their color.
-  /// Since display priority is important for ArcGIS layers, we are creating different Color Proxies for eg the same argb color value but different display priority.
-  /// </remarks>
-  public List<ColorProxy> UnpackColors(List<(MapMember, int)> mapMembersWithDisplayPriority)
-  {
-    // injected as Singleton, so we need to clean existing proxies first
-    ColorProxies = new();
-
-    foreach ((MapMember mapMember, int priority) in mapMembersWithDisplayPriority)
-    {
-      switch (mapMember)
-      {
-        // FeatureLayer colors will be processed per feature object
-        case FeatureLayer featureLayer:
-          ProcessFeatureLayerColors(featureLayer, priority);
-          break;
-
-        // RasterLayer object colors are converted as mesh vertex colors, but we need to store displayPriority on the raster layer. Default color is used for all rasters.
-        case RasterLayer rasterLayer:
-          ProcessRasterLayerColors(rasterLayer, priority);
-          break;
-      }
-    }
-
-    return ColorProxies.Values.ToList();
-  }
-
   /// <summary>
   /// Parse Color Proxies and stores in ObjectColorsIdMap the relationship between object ids and colors
   /// </summary>
   /// <param name="colorProxies"></param>
   /// <param name="onOperationProgressed"></param>
-  public void ParseColors(List<ColorProxy> colorProxies, Action<string, double?>? onOperationProgressed)
+  public void ParseColors(List<ColorProxy> colorProxies, IProgress<CardProgress> onOperationProgressed)
   {
     // injected as Singleton, so we need to clean existing proxies first
     ObjectColorsIdMap = new();
     var count = 0;
     foreach (ColorProxy colorProxy in colorProxies)
     {
-      onOperationProgressed?.Invoke("Converting colors", (double)++count / colorProxies.Count);
+      onOperationProgressed.Report(new("Converting colors", (double)++count / colorProxies.Count));
       foreach (string objectId in colorProxy.objects)
       {
         Color convertedColor = Color.FromArgb(colorProxy.value);
@@ -76,14 +46,14 @@ public class ArcGISColorManager
   /// </summary>
   /// <param name="materialProxies"></param>
   /// <param name="onOperationProgressed"></param>
-  public void ParseMaterials(List<RenderMaterialProxy> materialProxies, Action<string, double?>? onOperationProgressed)
+  public void ParseMaterials(List<RenderMaterialProxy> materialProxies, IProgress<CardProgress> onOperationProgressed)
   {
     // injected as Singleton, so we need to clean existing proxies first
     ObjectMaterialsIdMap = new();
     var count = 0;
     foreach (RenderMaterialProxy colorProxy in materialProxies)
     {
-      onOperationProgressed?.Invoke("Converting materials", (double)++count / materialProxies.Count);
+      onOperationProgressed.Report(new("Converting materials", (double)++count / materialProxies.Count));
       foreach (string objectId in colorProxy.objects)
       {
         Color convertedColor = Color.FromArgb(colorProxy.value.diffuse);
@@ -92,6 +62,14 @@ public class ArcGISColorManager
     }
   }
 
+  public int CIMColorToInt(CIMColor color)
+  {
+    return (255 << 24)
+      | ((int)Math.Round(color.Values[0]) << 16)
+      | ((int)Math.Round(color.Values[1]) << 8)
+      | (int)Math.Round(color.Values[2]);
+  }
+
   /// <summary>
   /// Create a new CIMUniqueValueClass for UniqueRenderer per each object ID
   /// </summary>
@@ -105,6 +83,7 @@ public class ArcGISColorManager
   {
     // declare default white color
     Color color = Color.FromArgb(255, 255, 255, 255);
+    bool colorFound = false;
 
     // get color moving upwards from the object
     foreach (var parent in tc.GetAscendants())
@@ -114,16 +93,43 @@ public class ArcGISColorManager
         if (ObjectMaterialsIdMap.TryGetValue(appId, out Color objColorMaterial))
         {
           color = objColorMaterial;
+          colorFound = true;
           break;
         }
         if (ObjectColorsIdMap.TryGetValue(appId, out Color objColor))
         {
           color = objColor;
+          colorFound = true;
           break;
         }
       }
     }
 
+    // handling Revit case, where child objects have separate colors/materials
+    if (!colorFound && tc.Current is IDataObject)
+    {
+      var displayable = tc.Current.TryGetDisplayValue();
+      if (displayable != null)
+      {
+        foreach (var childObj in displayable)
+        {
+          if (childObj.applicationId is string appId)
+          {
+            if (ObjectMaterialsIdMap.TryGetValue(appId, out Color objColorMaterial))
+            {
+              color = objColorMaterial;
+              break;
+            }
+            if (ObjectColorsIdMap.TryGetValue(appId, out Color objColor))
+            {
+              color = objColor;
+              break;
+            }
+          }
+        }
+      }
+    }
+
     CIMSymbolReference symbol = CreateSymbol(speckleGeometryType, color);
 
     // First create a "CIMUniqueValueClass"
@@ -190,7 +196,7 @@ public class ArcGISColorManager
     }
 
     // declare default grey color, create default symbol for the given layer geometry type
-    var color = Color.FromArgb(ColorFactory.Instance.GreyRGB.CIMColorToInt());
+    var color = Color.FromArgb(CIMColorToInt(ColorFactory.Instance.GreyRGB));
     CIMSymbolReference defaultSymbol = CreateSymbol(fLayer.ShapeType, color);
 
     // get existing renderer classes
@@ -221,7 +227,10 @@ public class ArcGISColorManager
     foreach (var tContext in traversalContexts)
     {
       // get unique label
-      string uniqueLabel = tContext.Current.id;
+      string? uniqueLabel = tContext.Current?.id;
+
+      // remove any GIS-specific classes for now
+      /*
       if (tContext.Current is IGisFeature gisFeat)
       {
         var existingLabel = gisFeat.attributes["Speckle_ID"];
@@ -229,9 +238,9 @@ public class ArcGISColorManager
         {
           uniqueLabel = stringLabel;
         }
-      }
+      }*/
 
-      if (!listUniqueValueClasses.Select(x => x.Label).Contains(uniqueLabel))
+      if (uniqueLabel is not null && !listUniqueValueClasses.Select(x => x.Label).Contains(uniqueLabel))
       {
         CIMUniqueValueClass newUniqueValueClass = CreateColorCategory(tContext, fLayer.ShapeType, uniqueLabel);
         listUniqueValueClasses.Add(newUniqueValueClass);
@@ -253,356 +262,4 @@ public class ArcGISColorManager
       };
     return uvr;
   }
-
-  private string GetColorApplicationId(int argb, double order) => $"{argb}_{order}";
-
-  // Adds the element id to the color proxy based on colorId if it exists in ColorProxies,
-  // otherwise creates a new Color Proxy with the element id in the objects property
-  private void AddElementIdToColorProxy(string elementAppId, int colorValue, string colorId, int displayPriority)
-  {
-    if (ColorProxies.TryGetValue(colorId, out ColorProxy? colorProxy))
-    {
-      colorProxy.objects.Add(elementAppId);
-    }
-    else
-    {
-      ColorProxy newProxy =
-        new()
-        {
-          value = colorValue,
-          applicationId = colorId,
-          objects = new() { elementAppId },
-          name = colorId
-        };
-
-      newProxy["displayOrder"] = displayPriority; // 0 - top layer (top display priority), 1,2,3.. decreasing priority
-      ColorProxies.Add(colorId, newProxy);
-    }
-  }
-
-  private void ProcessRasterLayerColors(RasterLayer rasterLayer, int displayPriority)
-  {
-    string elementAppId = $"{rasterLayer.URI}_0"; // POC: explain why count = 0 here
-    int argb = -1;
-    string colorId = GetColorApplicationId(argb, displayPriority); // We are using a default color of -1 for all raster layers
-    AddElementIdToColorProxy(elementAppId, argb, colorId, displayPriority);
-  }
-
-  /// <summary>
-  /// Record colors from every feature of the layer into ColorProxies
-  /// </summary>
-  /// <param name="layer"></param>
-  /// <param name="displayPriority"></param>
-  private void ProcessFeatureLayerColors(FeatureLayer layer, int displayPriority)
-  {
-    // first get a list of layer fields
-    // field names are unique, but often their alias is used instead by renderer headings
-    // so we are storing both names and alieas in this dictionary for fast lookup
-    // POC: adding aliases are not optimal, because they do not need to be unique && they can be the same as the name of another field
-    Dictionary<string, FieldDescription> layerFieldDictionary = new();
-    foreach (FieldDescription field in layer.GetFieldDescriptions())
-    {
-      layerFieldDictionary.TryAdd(field.Name, field);
-      layerFieldDictionary.TryAdd(field.Alias, field);
-    }
-
-    CIMRenderer layerRenderer = layer.GetRenderer();
-    int count = 1;
-    using (RowCursor rowCursor = layer.Search())
-    {
-      while (rowCursor.MoveNext())
-      {
-        string elementAppId = $"{layer.URI}_{count}";
-        using (Row row = rowCursor.Current)
-        {
-          // get row color
-          int argb = GetLayerColorByRendererAndRow(layerRenderer, row, layerFieldDictionary);
-          string colorId = GetColorApplicationId(argb, displayPriority);
-          AddElementIdToColorProxy(elementAppId, argb, colorId, displayPriority);
-        }
-
-        count++;
-      }
-    }
-  }
-
-  // Attempts to retrieve the color from a CIMSymbol
-  private bool TryGetSymbolColor(CIMSymbol symbol, out int symbolColor)
-  {
-    symbolColor = -1;
-    if (symbol.GetColor() is CIMColor cimColor)
-    {
-      switch (cimColor)
-      {
-        case CIMRGBColor rgbColor:
-          symbolColor = rgbColor.CIMColorToInt();
-          return true;
-        case CIMHSVColor hsvColor:
-          symbolColor = RgbFromHsv(hsvColor);
-          return true;
-        case CIMCMYKColor cmykColor:
-          symbolColor = RgbFromCmyk(cmykColor);
-          return true;
-        default:
-          return false;
-      }
-    }
-    else
-    {
-      return false;
-    }
-  }
-
-  private int RbgToInt(int a, int r, int g, int b)
-  {
-    return (a << 24) | (r << 16) | (g << 8) | b;
-  }
-
-  private int RgbFromCmyk(CIMCMYKColor cmykColor)
-  {
-    float c = cmykColor.C;
-    float m = cmykColor.M;
-    float y = cmykColor.Y;
-    float k = cmykColor.K;
-
-    int r = Convert.ToInt32(255 * (1 - c) * (1 - k));
-    int g = Convert.ToInt32(255 * (1 - m) * (1 - k));
-    int b = Convert.ToInt32(255 * (1 - y) * (1 - k));
-    return RbgToInt(255, r, g, b);
-  }
-
-  private int RgbFromHsv(CIMHSVColor hsvColor)
-  {
-    // Translates HSV color to RGB color
-    // H: 0.0 - 360.0, S: 0.0 - 100.0, V: 0.0 - 100.0
-    // R, G, B: 0.0 - 1.0
-
-    float hue = hsvColor.H;
-    float saturation = hsvColor.S;
-    float value = hsvColor.V;
-
-    float c = (value / 100) * (saturation / 100);
-    float x = c * (1 - Math.Abs(((hue / 60) % 2) - 1));
-    float m = (value / 100) - c;
-
-    float r = 0;
-    float g = 0;
-    float b = 0;
-
-    if (hue >= 0 && hue < 60)
-    {
-      r = c;
-      g = x;
-      b = 0;
-    }
-    else if (hue >= 60 && hue < 120)
-    {
-      r = x;
-      g = c;
-      b = 0;
-    }
-    else if (hue >= 120 && hue < 180)
-    {
-      r = 0;
-      g = c;
-      b = x;
-    }
-    else if (hue >= 180 && hue < 240)
-    {
-      r = 0;
-      g = x;
-      b = c;
-    }
-    else if (hue >= 240 && hue < 300)
-    {
-      r = x;
-      g = 0;
-      b = c;
-    }
-    else if (hue >= 300 && hue < 360)
-    {
-      r = c;
-      g = 0;
-      b = x;
-    }
-
-    r += m;
-    g += m;
-    b += m;
-
-    // convert rgb 0.0-1.0 float to int
-    int red = (int)Math.Round(r * 255);
-    int green = (int)Math.Round(g * 255);
-    int blue = (int)Math.Round(b * 255);
-
-    return RbgToInt(255, red, green, blue);
-  }
-
-  private bool TryGetUniqueRendererColor(
-    CIMUniqueValueRenderer uniqueRenderer,
-    Row row,
-    Dictionary<string, FieldDescription> fields,
-    out int color
-  )
-  {
-    if (!TryGetSymbolColor(uniqueRenderer.DefaultSymbol.Symbol, out color)) // get default color
-    {
-      return false;
-    }
-
-    // note: usually there is only 1 group
-    foreach (CIMUniqueValueGroup group in uniqueRenderer.Groups)
-    {
-      string[] fieldNames = uniqueRenderer.Fields;
-      List<string> usedFields = new();
-      foreach (string fieldName in fieldNames)
-      {
-        if (fields.TryGetValue(fieldName, out FieldDescription? headingField))
-        {
-          usedFields.Add(headingField.Name);
-        }
-      }
-
-      // loop through all values in groups to see if any have met conditions that result in a different color
-      foreach (CIMUniqueValueClass groupClass in group.Classes)
-      {
-        bool groupConditionsMet = true;
-        foreach (CIMUniqueValue value in groupClass.Values)
-        {
-          // all field values have to match the row values
-          for (int i = 0; i < usedFields.Count; i++)
-          {
-            string groupValue = value.FieldValues[i].Replace("<Null>", "");
-            object? rowValue = row[usedFields[i]];
-
-            (string newRowValue, string newGroupValue) = MakeValuesComparable(rowValue, groupValue);
-            if (newGroupValue != newRowValue)
-            {
-              groupConditionsMet = false;
-              break;
-            }
-          }
-        }
-
-        // set the group color to class symbol color if conditions are met
-        if (groupConditionsMet)
-        {
-          if (!TryGetSymbolColor(groupClass.Symbol.Symbol, out color))
-          {
-            return false;
-          }
-        }
-      }
-    }
-
-    return true;
-  }
-
-  /// <summary>
-  /// Make comparable the Label string of a UniqueValueRenderer (groupValue), and a Feature Attribute value (rowValue)
-  /// </summary>
-  /// <param name="rowValue"></param>
-  /// <param name="groupValue"></param>
-  private (string, string) MakeValuesComparable(object? rowValue, string groupValue)
-  {
-    string newGroupValue = groupValue;
-    string newRowValue = Convert.ToString(rowValue) ?? "";
-
-    // int, doubles are tricky to compare with strings, trimming both to 5 digits
-    if (rowValue is int or short or long)
-    {
-      newRowValue = newRowValue.Split(".")[0];
-      newGroupValue = newGroupValue.Split(".")[0];
-    }
-    else if (rowValue is double || rowValue is float)
-    {
-      newRowValue = string.Concat(
-        newRowValue.Split(".")[0],
-        ".",
-        newRowValue.Split(".")[^1].AsSpan(0, Math.Min(5, newRowValue.Split(".")[^1].Length))
-      );
-      newGroupValue = string.Concat(
-        newGroupValue.Split(".")[0],
-        ".",
-        newGroupValue.Split(".")[^1].AsSpan(0, Math.Min(5, newGroupValue.Split(".")[^1].Length))
-      );
-    }
-
-    return (newRowValue, newGroupValue);
-  }
-
-  private bool TryGetGraduatedRendererColor(
-    CIMClassBreaksRenderer graduatedRenderer,
-    Row row,
-    Dictionary<string, FieldDescription> fields,
-    out int color
-  )
-  {
-    if (!TryGetSymbolColor(graduatedRenderer.DefaultSymbol.Symbol, out color)) // get default color
-    {
-      return false;
-    }
-
-    string? usedField = null;
-    if (fields.TryGetValue(graduatedRenderer.Field, out FieldDescription? field))
-    {
-      usedField = field.Name;
-    }
-
-    List<CIMClassBreak> reversedBreaks = new(graduatedRenderer.Breaks);
-    reversedBreaks.Reverse();
-    foreach (var rBreak in reversedBreaks)
-    {
-      // keep looping until the last matching condition
-      if (Convert.ToDouble(row[usedField]) <= rBreak.UpperBound)
-      {
-        if (!TryGetSymbolColor(rBreak.Symbol.Symbol, out color)) // get default color
-        {
-          return false;
-        }
-      }
-    }
-
-    return true;
-  }
-
-  // Tries to retrieve the feature layer color by renderer and row, or a default color of -1
-  private int GetLayerColorByRendererAndRow(CIMRenderer renderer, Row row, Dictionary<string, FieldDescription> fields)
-  {
-    // default color to white. this will be used if the renderer is not supported.
-    int color = -1;
-
-    // get color depending on renderer type
-    switch (renderer)
-    {
-      case CIMSimpleRenderer simpleRenderer:
-        if (!TryGetSymbolColor(simpleRenderer.Symbol.Symbol, out color))
-        {
-          // POC: report CONVERTED WITH WARNING when implemented
-        }
-        break;
-
-      // unique renderers have groups of conditions that may affect the color of a feature
-      // resulting in a different color than the default renderer symbol color
-      case CIMUniqueValueRenderer uniqueRenderer:
-        if (!TryGetUniqueRendererColor(uniqueRenderer, row, fields, out color)) // get default color
-        {
-          // POC: report CONVERTED WITH WARNING when implemented
-        }
-        break;
-
-      case CIMClassBreaksRenderer graduatedRenderer:
-        if (!TryGetGraduatedRendererColor(graduatedRenderer, row, fields, out color)) // get default color
-        {
-          // POC: report CONVERTED WITH WARNING when implemented
-        }
-        break;
-
-      default:
-        // POC: report CONVERTED WITH WARNING when implemented, unsupported renderer e.g. CIMProportionalRenderer
-        break;
-    }
-
-    return color;
-  }
 }

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/HostApp/ArcGISColorUnpacker.cs

@@ -0,0 +1,461 @@
+using ArcGIS.Desktop.Mapping;
+using Speckle.Sdk.Models.Proxies;
+
+namespace Speckle.Connectors.ArcGIS.HostApp;
+
+public class ArcGISColorUnpacker
+{
+  /// <summary>
+  /// Cache of all color proxies for converted features. Key is the Color proxy argb value.
+  /// </summary>
+  public Dictionary<int, ColorProxy> ColorProxyCache { get; } = new();
+
+  /// <summary>
+  /// Stores the current renderer (determined by mapMember)
+  /// </summary>
+  private AC.CIM.CIMRenderer? StoredRenderer { get; set; }
+
+  /// <summary>
+  /// Stores the current renderer (determined by tin mapmember)
+  /// </summary>
+  private AC.CIM.CIMTinRenderer? StoredTinRenderer { get; set; }
+
+  /// <summary>
+  /// Stores the used renderer fields from the layer
+  /// </summary>
+  private List<string> StoredRendererFields { get; set; }
+
+  /// <summary>
+  /// Stores an already processed color for current mapMember, to dbe used by all mapMember objects. Only applies to simple type renderers
+  /// </summary>
+  private int? StoredColor { get; set; }
+
+  /// <summary>
+  /// Stores a feature layer renderer to be used by <see cref="ProcessFeatureLayerColor"/> in <see cref="StoredRenderer"/>, any fields used by the renderer from the layer, and resets the <see cref="StoredColor"/> and <see cref="StoredRendererFields"/>
+  /// </summary>
+  /// <param name="featureLayer"></param>
+  /// <exception cref="AC.CalledOnWrongThreadException">Must be called on MCT.</exception>
+  public void StoreRendererAndFields(ADM.FeatureLayer featureLayer)
+  {
+    // field names are unique, but often their alias is used instead by renderer headings
+    // so we are storing both names and alias in this dictionary for fast lookup
+    // POC: adding aliases are not optimal, because they do not need to be unique && they can be the same as the name of another field
+    Dictionary<string, string> layerFieldDictionary = new();
+    foreach (ADM.FieldDescription field in featureLayer.GetFieldDescriptions())
+    {
+      layerFieldDictionary.TryAdd(field.Name, field.Name);
+      layerFieldDictionary.TryAdd(field.Alias, field.Name);
+    }
+
+    // clear stored values
+    StoredRendererFields = new();
+    StoredColor = null;
+    StoredRenderer = null;
+
+    AC.CIM.CIMRenderer layerRenderer = featureLayer.GetRenderer();
+    List<string> fields = new();
+    bool isSupported = false;
+    switch (layerRenderer)
+    {
+      case AC.CIM.CIMSimpleRenderer:
+        isSupported = true;
+        break;
+      case AC.CIM.CIMUniqueValueRenderer uniqueValueRenderer:
+        isSupported = true;
+        fields = uniqueValueRenderer.Fields.ToList();
+        break;
+      case AC.CIM.CIMClassBreaksRenderer classBreaksRenderer:
+        isSupported = true;
+        fields.Add(classBreaksRenderer.Field);
+        break;
+      default:
+        // TODO: log error here that a renderer is unsupported
+        break;
+    }
+
+    if (isSupported)
+    {
+      StoredRenderer = layerRenderer;
+      foreach (string field in fields)
+      {
+        if (layerFieldDictionary.TryGetValue(field, out string? fieldName))
+        {
+          StoredRendererFields.Add(fieldName);
+        }
+      }
+    }
+  }
+
+  /// <summary>
+  /// Stores a las layer renderer to be used by <see cref="ProcessLasLayerColor"/> in <see cref="StoredTinRenderer"/>
+  /// </summary>
+  /// <param name="lasLayer"></param>
+  /// <exception cref="AC.CalledOnWrongThreadException">Must be called on MCT.</exception>
+  public void StoreRenderer(ADM.LasDatasetLayer lasLayer)
+  {
+    // clear stored values
+    StoredTinRenderer = null;
+
+    // POC: not sure why we are only using the first renderer here
+    AC.CIM.CIMTinRenderer layerRenderer = lasLayer.GetRenderers()[0];
+    bool isSupported = false;
+    switch (layerRenderer)
+    {
+      case AC.CIM.CIMTinUniqueValueRenderer:
+        isSupported = true;
+        break;
+      default:
+        // TODO: log error here that a renderer is unsupported
+        break;
+    }
+
+    if (isSupported)
+    {
+      StoredTinRenderer = layerRenderer;
+    }
+  }
+
+  /// <summary>
+  /// Processes a las layer's point color by the stored <see cref="StoredRenderer"/>, and stores the point's id and color proxy to the <see cref="ColorProxyCache"/>.
+  /// POC: logic probably can be combined with ProcessFeatureLayerColor.
+  /// </summary>
+  /// <param name="point"></param>
+  public void ProcessLasLayerColor(ACD.Analyst3D.LasPoint point, string pointApplicationId)
+  {
+    // get the color from the renderer and point
+    AC.CIM.CIMColor? color;
+    switch (StoredTinRenderer)
+    {
+      case AC.CIM.CIMTinUniqueValueRenderer uniqueValueRenderer:
+        color = GetPointColorByUniqueValueRenderer(uniqueValueRenderer, point);
+        break;
+
+      default:
+        return;
+    }
+
+    // get or create the color proxy for the point
+    int argb = CIMColorToInt(color ?? point.RGBColor);
+    AddObjectIdToColorProxyCache(pointApplicationId, argb);
+  }
+
+  // Retrieves the las point color from a unique value renderer
+  // unique renderers have groups of conditions that may affect the color of a feature
+  // resulting in a different color than the default renderer symbol color
+  private AC.CIM.CIMColor? GetPointColorByUniqueValueRenderer(
+    AC.CIM.CIMTinUniqueValueRenderer renderer,
+    ACD.Analyst3D.LasPoint point
+  )
+  {
+    foreach (AC.CIM.CIMUniqueValueGroup group in renderer.Groups)
+    {
+      foreach (AC.CIM.CIMUniqueValueClass groupClass in group.Classes)
+      {
+        foreach (AC.CIM.CIMUniqueValue value in groupClass.Values)
+        {
+          // all field values have to match the row values
+          for (int i = 0; i < value.FieldValues.Length; i++)
+          {
+            string groupValue = value.FieldValues[i].Replace("<Null>", "");
+            object? pointValue = point.ClassCode;
+
+            if (ValuesAreEqual(groupValue, pointValue))
+            {
+              return groupClass.Symbol.Symbol.GetColor();
+            }
+          }
+        }
+      }
+    }
+
+    return null;
+  }
+
+  /// <summary>
+  /// Processes a feature layer's row color by the stored <see cref="StoredRenderer"/>, and stores the row's id and color proxy to the <see cref="ColorProxyCache"/>.
+  /// </summary>
+  /// <param name="row"></param>
+  /// <returns></returns>
+  /// <exception cref="ACD.Exceptions.GeodatabaseException"></exception>
+  public void ProcessFeatureLayerColor(ACD.Row row, string rowApplicationId)
+  {
+    // if stored color is not null, this means the renderer was a simple renderer that applies to the entire layer, and was already created.
+    // just add the row application id to the color proxy.
+    if (StoredColor is int existingColorProxyId)
+    {
+      AddObjectIdToColorProxyCache(rowApplicationId, existingColorProxyId);
+      return;
+    }
+
+    // get the color from the renderer and row
+    AC.CIM.CIMColor? color = null;
+    switch (StoredRenderer)
+    {
+      // simple renderers do not rely on fields, so the color can be retrieved from the renderer directly
+      case AC.CIM.CIMSimpleRenderer simpleRenderer:
+        color = simpleRenderer.Symbol.Symbol.GetColor();
+        break;
+
+      case AC.CIM.CIMUniqueValueRenderer uniqueValueRenderer:
+        color = GetRowColorByUniqueValueRenderer(uniqueValueRenderer, row);
+        break;
+
+      case AC.CIM.CIMClassBreaksRenderer classBreaksRenderer:
+        color = GetRowColorByClassBreaksRenderer(classBreaksRenderer, row);
+        break;
+    }
+
+    if (color is null)
+    {
+      // TODO: log error or throw exception that color could not be retrieved
+      return;
+    }
+
+    // get or create the color proxy for the row
+    int argb = CIMColorToInt(color);
+    AddObjectIdToColorProxyCache(rowApplicationId, argb);
+
+    // store color if from simple renderer
+    if (StoredRenderer is AC.CIM.CIMSimpleRenderer)
+    {
+      StoredColor = argb;
+    }
+  }
+
+  // Retrieves the row color from a class breaks renderer
+  // unique renderers have groups of conditions that may affect the color of a feature
+  // resulting in a different color than the default renderer symbol color
+  private AC.CIM.CIMColor? GetRowColorByClassBreaksRenderer(AC.CIM.CIMClassBreaksRenderer renderer, ACD.Row row)
+  {
+    AC.CIM.CIMColor? color = null;
+
+    // get the default symbol color
+    if (renderer.DefaultSymbol?.Symbol.GetColor() is AC.CIM.CIMColor defaultColor)
+    {
+      color = defaultColor;
+    }
+
+    // get the first stored field, since this renderer should only have 1 field
+    double storedFieldValue = Convert.ToDouble(row[StoredRendererFields.First()]);
+
+    List<AC.CIM.CIMClassBreak> reversedBreaks = new(renderer.Breaks);
+    reversedBreaks.Reverse();
+    foreach (var rBreak in reversedBreaks)
+    {
+      // keep looping until the last matching condition
+      if (storedFieldValue <= rBreak.UpperBound)
+      {
+        if (rBreak.Symbol.Symbol.GetColor() is AC.CIM.CIMColor breakColor)
+        {
+          color = breakColor;
+        }
+        else
+        {
+          // TODO: log error here, could not retrieve break color from symbol
+        }
+      }
+    }
+
+    return color;
+  }
+
+  // Retrieves the row color from a unique value renderer
+  // unique renderers have groups of conditions that may affect the color of a feature
+  // resulting in a different color than the default renderer symbol color
+  private AC.CIM.CIMColor? GetRowColorByUniqueValueRenderer(AC.CIM.CIMUniqueValueRenderer renderer, ACD.Row row)
+  {
+    AC.CIM.CIMColor? color = null;
+
+    // get the default symbol color
+    if (renderer.DefaultSymbol?.Symbol.GetColor() is AC.CIM.CIMColor defaultColor)
+    {
+      color = defaultColor;
+    }
+
+    // note: usually there is only 1 group
+    foreach (AC.CIM.CIMUniqueValueGroup group in renderer.Groups)
+    {
+      // loop through all values in groups to see if any have met conditions that result in a different color
+      foreach (AC.CIM.CIMUniqueValueClass groupClass in group.Classes)
+      {
+        bool groupConditionsMet = true;
+        foreach (AC.CIM.CIMUniqueValue value in groupClass.Values)
+        {
+          // all field values have to match the row values
+          for (int i = 0; i < StoredRendererFields.Count; i++)
+          {
+            string groupValue = value.FieldValues[i];
+            object? rowValue = row[StoredRendererFields[i]];
+
+            if (!ValuesAreEqual(groupValue, rowValue))
+            {
+              groupConditionsMet = false;
+              break;
+            }
+          }
+        }
+
+        // set the group color to class symbol color if conditions are met
+        if (groupConditionsMet)
+        {
+          if (groupClass.Symbol.Symbol.GetColor() is AC.CIM.CIMColor groupColor)
+          {
+            color = groupColor;
+          }
+          else
+          {
+            // TODO: log error here, could not retrieve group color from symbol
+          }
+        }
+      }
+    }
+
+    return color;
+  }
+
+  /// <summary>
+  /// Compares the label string of a UniqueValueRenderer (groupValue), and an object value (row, las point), to determine if they are equal
+  /// </summary>
+  /// <param name="objectValue"></param>
+  /// <param name="groupValue"></param>
+  private bool ValuesAreEqual(string groupValue, object? objectValue)
+  {
+    switch (objectValue)
+    {
+      case int:
+      case short:
+      case long:
+      case byte:
+        string objectValueString = Convert.ToString(objectValue) ?? "";
+        return groupValue.Equals(objectValueString);
+
+      case string:
+        return groupValue.Equals(objectValue);
+
+      // POC: these are tricky to compare with the label strings accurately, so will trim both values to 5 decimal places.
+      case double d:
+        return double.TryParse(groupValue, out double groupDouble) && groupDouble - d < 0.000001;
+      case float f:
+        return float.TryParse(groupValue, out float groupFloat) && groupFloat - f < 0.000001;
+
+      default:
+        return false;
+    }
+  }
+
+  private void AddObjectIdToColorProxyCache(string objectId, int argb)
+  {
+    if (ColorProxyCache.TryGetValue(argb, out ColorProxy? colorProxy))
+    {
+      colorProxy.objects.Add(objectId);
+    }
+    else
+    {
+      ColorProxy newColorProxy =
+        new()
+        {
+          name = argb.ToString(),
+          objects = new() { objectId },
+          value = argb,
+          applicationId = argb.ToString()
+        };
+
+      ColorProxyCache.Add(argb, newColorProxy);
+    }
+  }
+
+  private int ArgbToInt(int a, int r, int g, int b)
+  {
+    return (a << 24) | (r << 16) | (g << 8) | b;
+  }
+
+  // Gets the argb int from a CIMColor
+  // Defaults to assuming CIMColor.Values represent the red, green, and blue channels.
+  private int CIMColorToInt(AC.CIM.CIMColor color)
+  {
+    switch (color)
+    {
+      case AC.CIM.CIMHSVColor hsv:
+        (float hsvR, float hsvG, float hsvB) = RgbFromHsv(hsv.H, hsv.S, hsv.V);
+        return ArgbToInt(
+          (int)Math.Round(hsv.Alpha),
+          (int)Math.Round(hsvR * 255),
+          (int)Math.Round(hsvG * 255),
+          (int)Math.Round(hsvB * 255)
+        );
+
+      case AC.CIM.CIMCMYKColor cmyk:
+        float k = cmyk.K;
+        int cmykR = Convert.ToInt32(255 * (1 - cmyk.C) * (1 - k));
+        int cmykG = Convert.ToInt32(255 * (1 - cmyk.M) * (1 - k));
+        int cmykB = Convert.ToInt32(255 * (1 - cmyk.Y) * (1 - k));
+        return ArgbToInt((int)Math.Round(cmyk.Alpha), cmykR, cmykG, cmykB);
+
+      default:
+        return ArgbToInt(
+          (int)Math.Round(color.Alpha),
+          (int)Math.Round(color.Values[0]),
+          (int)Math.Round(color.Values[1]),
+          (int)Math.Round(color.Values[2])
+        );
+    }
+  }
+
+  private (float, float, float) RgbFromHsv(float hue, float saturation, float value)
+  {
+    // Translates HSV color to RGB color
+    // H: 0.0 - 360.0, S: 0.0 - 100.0, V: 0.0 - 100.0
+    // R, G, B: 0.0 - 1.0
+
+    float c = (value / 100) * (saturation / 100);
+    float x = c * (1 - Math.Abs(((hue / 60) % 2) - 1));
+    float m = (value / 100) - c;
+
+    float r = 0;
+    float g = 0;
+    float b = 0;
+
+    if (hue >= 0 && hue < 60)
+    {
+      r = c;
+      g = x;
+      b = 0;
+    }
+    else if (hue >= 60 && hue < 120)
+    {
+      r = x;
+      g = c;
+      b = 0;
+    }
+    else if (hue >= 120 && hue < 180)
+    {
+      r = 0;
+      g = c;
+      b = x;
+    }
+    else if (hue >= 180 && hue < 240)
+    {
+      r = 0;
+      g = x;
+      b = c;
+    }
+    else if (hue >= 240 && hue < 300)
+    {
+      r = x;
+      g = 0;
+      b = c;
+    }
+    else if (hue >= 300 && hue < 360)
+    {
+      r = c;
+      g = 0;
+      b = x;
+    }
+
+    r += m;
+    g += m;
+    b += m;
+
+    return (r, g, b);
+  }
+}

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/HostApp/ArcGISLayerUnpacker.cs

@@ -0,0 +1,97 @@
+using Speckle.Connectors.ArcGIS.HostApp.Extensions;
+using Speckle.Sdk.Models.Collections;
+
+namespace Speckle.Connectors.ArcGIS.HostApp;
+
+public class ArcGISLayerUnpacker
+{
+  /// <summary>
+  /// Cache of all collections created by unpacked Layer MapMembers. Key is the Speckle applicationId (Layer URI).
+  /// </summary>
+  public Dictionary<string, Collection> CollectionCache { get; } = new();
+
+  /// <summary>
+  /// Mapmembers can be layers containing objects, or LayerContainers containing other layers.
+  /// Unpacks selected mapMembers and creates their corresponding collection on the root collection.
+  /// </summary>
+  /// <param name="mapMembers"></param>
+  /// <param name="parentCollection"></param>
+  /// <returns>List of layers containing objects.</returns>
+  /// <exception cref="AC.CalledOnWrongThreadException">Thrown when this method is *not* called on the MCT, because this method accesses mapmember fields</exception>
+  public List<ADM.MapMember> UnpackSelection(
+    IEnumerable<ADM.MapMember> mapMembers,
+    Collection parentCollection,
+    List<ADM.MapMember>? objects = null
+  )
+  {
+    if (objects is null)
+    {
+      objects = new();
+    }
+
+    foreach (ADM.MapMember mapMember in mapMembers)
+    {
+      switch (mapMember)
+      {
+        case ADM.ILayerContainer container:
+          Collection containerCollection = CreateAndCacheMapMemberCollection(mapMember, true);
+          parentCollection.elements.Add(containerCollection);
+
+          UnpackSelection(container.Layers, containerCollection, objects);
+          break;
+
+        default:
+          if (!(objects.Contains(mapMember)))
+          {
+            Collection collection = CreateAndCacheMapMemberCollection(mapMember);
+            parentCollection.elements.Add(collection);
+            objects.Add(mapMember);
+          }
+          break;
+      }
+    }
+
+    return objects;
+  }
+
+  private Collection CreateAndCacheMapMemberCollection(ADM.MapMember mapMember, bool isLayerContainer = false)
+  {
+    string mapMemberApplicationId = mapMember.GetSpeckleApplicationId();
+    Collection collection =
+      new()
+      {
+        name = mapMember.Name,
+        applicationId = mapMemberApplicationId,
+        ["type"] = mapMember.GetType().Name
+      };
+
+    switch (mapMember)
+    {
+      case ADM.IDisplayTable displayTable: // get fields from layers that implement IDisplayTable, eg FeatureLayer or StandaloneTable
+        Dictionary<string, string>? fields = displayTable
+          .GetFieldDescriptions()
+          .ToDictionary(field => field.Name, field => field.Type.ToString());
+        collection["fields"] = fields;
+        if (mapMember is ADM.BasicFeatureLayer basicFeatureLayer)
+        {
+          collection["shapeType"] = basicFeatureLayer.ShapeType.ToString();
+        }
+        break;
+
+      case ADM.Layer layer:
+        collection["mapLayerType"] = layer.MapLayerType.ToString();
+        break;
+
+      case ADM.ILayerContainer:
+      default:
+        break;
+    }
+
+    if (!isLayerContainer) // do not cache layer containers, since these won't contain any objects
+    {
+      CollectionCache.Add(mapMemberApplicationId, collection);
+    }
+
+    return collection;
+  }
+}

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/HostApp/Extensions/SpeckleApplicationIdExtensions.cs

@@ -0,0 +1,31 @@
+using ArcGIS.Core.Data.Raster;
+
+namespace Speckle.Connectors.ArcGIS.HostApp.Extensions;
+
+public static class SpeckleApplicationIdExtensions
+{
+  /// <summary>
+  /// Retrieves the Speckle application id for map members
+  /// </summary>
+  public static string GetSpeckleApplicationId(this ADM.MapMember mapMember) => mapMember.URI;
+
+  /// <summary>
+  /// Constructs the Speckle application id for Features as a concatenation of the layer URI (applicationId)
+  /// and the row OID (index of row in layer).
+  /// </summary>
+  /// <exception cref="ACD.Exceptions.GeodatabaseException">Throws when this is *not* called on MCT. Use QueuedTask.Run.</exception>
+  public static string GetSpeckleApplicationId(this ACD.Row row, string layerApplicationId) =>
+    $"{layerApplicationId}_{row.GetObjectID()}";
+
+  /// <summary>
+  /// Constructs the Speckle application id for Raster as a concatenation of the layer URI (applicationId) and 0-index
+  /// </summary>
+  public static string GetSpeckleApplicationId(this Raster _, string layerApplicationId) => $"{layerApplicationId}_0";
+
+  /// <summary>
+  /// Constructs the Speckle application id for LasDatasets as a concatenation of the layer URI (applicationId)
+  /// and point OID.
+  /// </summary>
+  public static string GetSpeckleApplicationId(this ACD.Analyst3D.LasPoint point, string layerApplicationId) =>
+    $"{layerApplicationId}_{point.PointID}";
+}

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/HostApp/SyncToQueuedTask.cs

@@ -1,9 +0,0 @@
-using ArcGIS.Desktop.Framework.Threading.Tasks;
-using Speckle.Connectors.Common.Operations;
-
-namespace Speckle.Connectors.ArcGIS.HostApp;
-
-public class SyncToQueuedTask : ISyncToThread
-{
-  public Task<T> RunOnThread<T>(Func<T> func) => QueuedTask.Run(func);
-}

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/Operations/Receive/ArcGISHostObjectBuilder.cs

@@ -12,7 +12,7 @@ using Speckle.Connectors.Common.Operations;
 using Speckle.Converters.ArcGIS3;
 using Speckle.Converters.ArcGIS3.Utils;
 using Speckle.Converters.Common;
-using Speckle.Objects.GIS;
+using Speckle.Objects.Data;
 using Speckle.Objects.Other;
 using Speckle.Sdk;
 using Speckle.Sdk.Models;
@@ -20,7 +20,6 @@ using Speckle.Sdk.Models.Collections;
 using Speckle.Sdk.Models.GraphTraversal;
 using Speckle.Sdk.Models.Instances;
 using Speckle.Sdk.Models.Proxies;
-using RasterLayer = Speckle.Objects.GIS.RasterLayer;
 
 namespace Speckle.Connectors.ArcGIS.Operations.Receive;
 
@@ -30,7 +29,6 @@ public class ArcGISHostObjectBuilder : IHostObjectBuilder
   private readonly IFeatureClassUtils _featureClassUtils;
   private readonly ILocalToGlobalUnpacker _localToGlobalUnpacker;
   private readonly LocalToGlobalConverterUtils _localToGlobalConverterUtils;
-  private readonly ICrsUtils _crsUtils;
 
   // POC: figure out the correct scope to only initialize on Receive
   private readonly IConverterSettingsStore<ArcGISConversionSettings> _settingsStore;
@@ -43,7 +41,6 @@ public class ArcGISHostObjectBuilder : IHostObjectBuilder
     IFeatureClassUtils featureClassUtils,
     ILocalToGlobalUnpacker localToGlobalUnpacker,
     LocalToGlobalConverterUtils localToGlobalConverterUtils,
-    ICrsUtils crsUtils,
     GraphTraversal traverseFunction,
     ArcGISColorManager colorManager
   )
@@ -55,14 +52,26 @@ public class ArcGISHostObjectBuilder : IHostObjectBuilder
     _localToGlobalConverterUtils = localToGlobalConverterUtils;
     _traverseFunction = traverseFunction;
     _colorManager = colorManager;
-    _crsUtils = crsUtils;
   }
 
-  public async Task<HostObjectBuilderResult> Build(
+  public Task<HostObjectBuilderResult> Build(
     Base rootObject,
     string projectName,
     string modelName,
-    Action<string, double?>? onOperationProgressed,
+    IProgress<CardProgress> onOperationProgressed,
+    CancellationToken cancellationToken
+  )
+  {
+    return QueuedTask.Run(
+      () => BuildInternal(rootObject, projectName, modelName, onOperationProgressed, cancellationToken)
+    );
+  }
+
+  private HostObjectBuilderResult BuildInternal(
+    Base rootObject,
+    string projectName,
+    string modelName,
+    IProgress<CardProgress> onOperationProgressed,
     CancellationToken cancellationToken
   )
   {
@@ -70,7 +79,7 @@ public class ArcGISHostObjectBuilder : IHostObjectBuilder
     // ATM, GIS commit CRS is stored per layer (in FeatureClass converter), but should be moved to the Root level too
 
     // Prompt the UI conversion started. Progress bar will swoosh.
-    onOperationProgressed?.Invoke("Converting", null);
+    onOperationProgressed.Report(new("Converting", null));
 
     // get materials
     List<RenderMaterialProxy>? materials = (rootObject[ProxyKeys.RENDER_MATERIAL] as List<object>)
@@ -89,7 +98,7 @@ public class ArcGISHostObjectBuilder : IHostObjectBuilder
     }
 
     int count = 0;
-    List<LocalToGlobalMap> objectsToConvert = GetObjectsToConvert(rootObject);
+    IReadOnlyCollection<LocalToGlobalMap> objectsToConvert = GetObjectsToConvert(rootObject);
     Dictionary<TraversalContext, ObjectConversionTracker> conversionTracker = new();
 
     // 1. convert everything
@@ -104,13 +113,15 @@ public class ArcGISHostObjectBuilder : IHostObjectBuilder
       try
       {
         obj = _localToGlobalConverterUtils.TransformObjects(objectToConvert.AtomicObject, objectToConvert.Matrix);
-        object? conversionResult =
-          obj is GisNonGeometricFeature
-            ? null
-            : await QueuedTask.Run(() => _converter.Convert(obj)).ConfigureAwait(false);
+        object conversionResult = _converter.Convert(obj);
 
         string nestedLayerPath = $"{string.Join("\\", path)}";
-        if (objectToConvert.TraversalContext.Parent?.Current is not VectorLayer)
+
+        if (obj is ArcgisObject gisObj)
+        {
+          nestedLayerPath += $"\\{gisObj.name}";
+        }
+        else
         {
           nestedLayerPath += $"\\{obj.speckle_type.Split(".")[^1]}"; // add sub-layer by speckleType, for non-GIS objects
         }
@@ -125,26 +136,25 @@ public class ArcGISHostObjectBuilder : IHostObjectBuilder
       {
         results.Add(new(Status.ERROR, obj, null, null, ex));
       }
-      onOperationProgressed?.Invoke("Converting", (double)++count / objectsToConvert.Count);
+      onOperationProgressed.Report(new("Converting", (double)++count / objectsToConvert.Count));
     }
 
     // 2.1. Group conversionTrackers (to write into datasets)
-    onOperationProgressed?.Invoke("Grouping features into layers", null);
-    Dictionary<string, List<(TraversalContext, ObjectConversionTracker)>> convertedGroups = await QueuedTask
-      .Run(() =>
-      {
-        return _featureClassUtils.GroupConversionTrackers(conversionTracker, onOperationProgressed);
-      })
-      .ConfigureAwait(false);
+    onOperationProgressed.Report(new("Grouping features into layers", null));
+    Dictionary<string, List<(TraversalContext, ObjectConversionTracker)>> convertedGroups =
+      _featureClassUtils.GroupConversionTrackers(
+        conversionTracker,
+        (s, progres) => onOperationProgressed.Report(new(s, progres))
+      );
 
     // 2.2. Write groups of objects to Datasets
-    onOperationProgressed?.Invoke("Writing to Database", null);
-    await QueuedTask
-      .Run(() =>
-      {
-        _featureClassUtils.CreateDatasets(conversionTracker, convertedGroups, onOperationProgressed);
-      })
-      .ConfigureAwait(false);
+    onOperationProgressed.Report(new("Writing to Database", null));
+
+    _featureClassUtils.CreateDatasets(
+      conversionTracker,
+      convertedGroups,
+      (s, progres) => onOperationProgressed.Report(new(s, progres))
+    );
 
     // 3. add layer and tables to the Map and Table Of Content
 
@@ -153,7 +163,7 @@ public class ArcGISHostObjectBuilder : IHostObjectBuilder
 
     int bakeCount = 0;
     Dictionary<string, (MapMember, CIMUniqueValueRenderer?)> bakedMapMembers = new();
-    onOperationProgressed?.Invoke("Adding to Map", bakeCount);
+    onOperationProgressed.Report(new("Adding to Map", bakeCount));
 
     foreach (var item in conversionTracker)
     {
@@ -196,8 +206,7 @@ public class ArcGISHostObjectBuilder : IHostObjectBuilder
       else
       {
         // no layer yet, create and add layer to Map
-        MapMember mapMember = await AddDatasetsToMap(trackerItem, createdLayerGroups, projectName, modelName)
-          .ConfigureAwait(false);
+        MapMember mapMember = AddDatasetsToMap(trackerItem, createdLayerGroups, projectName, modelName);
 
         // add layer and layer URI to tracker
         trackerItem.AddConvertedMapMember(mapMember);
@@ -215,7 +224,8 @@ public class ArcGISHostObjectBuilder : IHostObjectBuilder
         // add report item
         AddResultsFromTracker(trackerItem, results);
       }
-      onOperationProgressed?.Invoke("Adding to Map", (double)++bakeCount / conversionTracker.Count);
+
+      onOperationProgressed.Report(new("Adding to Map", (double)++bakeCount / conversionTracker.Count));
     }
 
     // apply renderers to baked layers
@@ -224,24 +234,20 @@ public class ArcGISHostObjectBuilder : IHostObjectBuilder
       if (bakedMember.Value.Item1 is FeatureLayer fLayer)
       {
         // Set the feature layer's renderer.
-        await QueuedTask.Run(() => fLayer.SetRenderer(bakedMember.Value.Item2)).ConfigureAwait(false);
+        fLayer.SetRenderer(bakedMember.Value.Item2);
       }
     }
     bakedObjectIds.AddRange(createdLayerGroups.Values.Select(x => x.URI));
 
     // TODO: validated a correct set regarding bakedobject ids
-    return new(bakedObjectIds, results);
+    return new HostObjectBuilderResult(bakedObjectIds, results);
   }
 
-  private List<LocalToGlobalMap> GetObjectsToConvert(Base rootObject)
+  private IReadOnlyCollection<LocalToGlobalMap> GetObjectsToConvert(Base rootObject)
   {
     // keep GISlayers in the list, because they are still needed to extract CRS of the commit (code below)
     List<TraversalContext> objectsToConvertTc = _traverseFunction.Traverse(rootObject).ToList();
 
-    // get CRS from any present VectorLayer
-    Base? vLayer = objectsToConvertTc.FirstOrDefault(x => x.Current is VectorLayer)?.Current;
-    using var crs = _crsUtils.FindSetCrsDataOnReceive(vLayer); // TODO help
-
     // now filter the objects
     objectsToConvertTc = objectsToConvertTc.Where(ctx => ctx.Current is not Collection).ToList();
 
@@ -295,78 +301,72 @@ public class ArcGISHostObjectBuilder : IHostObjectBuilder
     }
   }
 
-  private Task<MapMember> AddDatasetsToMap(
+  private MapMember AddDatasetsToMap(
     ObjectConversionTracker trackerItem,
     Dictionary<string, GroupLayer> createdLayerGroups,
     string projectName,
     string modelName
   )
   {
-    return QueuedTask.Run(() =>
+    // get layer details
+    string? datasetId = trackerItem.DatasetId; // should not be null here
+    Uri uri = new($"{_settingsStore.Current.SpeckleDatabasePath.AbsolutePath.Replace('/', '\\')}\\{datasetId}");
+    string nestedLayerName = trackerItem.NestedLayerName;
+
+    // add group for the current layer
+    string shortName = nestedLayerName.Split("\\")[^1];
+    string nestedLayerPath = string.Join("\\", nestedLayerName.Split("\\").SkipLast(1));
+
+    // if no general group layer found
+    if (createdLayerGroups.Count == 0)
     {
-      // get layer details
-      string? datasetId = trackerItem.DatasetId; // should not be null here
-      Uri uri = new($"{_settingsStore.Current.SpeckleDatabasePath.AbsolutePath.Replace('/', '\\')}\\{datasetId}");
-      string nestedLayerName = trackerItem.NestedLayerName;
+      Map map = _settingsStore.Current.Map;
+      GroupLayer mainGroupLayer = LayerFactory.Instance.CreateGroupLayer(map, 0, $"{projectName}: {modelName}");
+      mainGroupLayer.SetExpanded(true);
+      createdLayerGroups["Basic Speckle Group"] = mainGroupLayer; // key doesn't really matter here
+    }
 
-      // add group for the current layer
-      string shortName = nestedLayerName.Split("\\")[^1];
-      string nestedLayerPath = string.Join("\\", nestedLayerName.Split("\\").SkipLast(1));
+    var groupLayer = CreateNestedGroupLayer(nestedLayerPath, createdLayerGroups);
 
-      // if no general group layer found
-      if (createdLayerGroups.Count == 0)
+    // Most of the Speckle-written datasets will be containing geometry and added as Layers
+    // although, some datasets might be just tables (e.g. native GIS Tables, in the future maybe Revit schedules etc.
+    // We can create a connection to the dataset in advance and determine its type, but this will be more
+    // expensive, than assuming by default that it's a layer with geometry (which in most cases it's expected to be)
+    try
+    {
+      var layer = LayerFactory.Instance.CreateLayer(uri, groupLayer, layerName: shortName);
+      if (layer == null)
       {
-        Map map = _settingsStore.Current.Map;
-        GroupLayer mainGroupLayer = LayerFactory.Instance.CreateGroupLayer(map, 0, $"{projectName}: {modelName}");
-        mainGroupLayer.SetExpanded(true);
-        createdLayerGroups["Basic Speckle Group"] = mainGroupLayer; // key doesn't really matter here
+        throw new SpeckleException($"Layer '{shortName}' was not created");
       }
+      layer.SetExpanded(false);
 
-      var groupLayer = CreateNestedGroupLayer(nestedLayerPath, createdLayerGroups);
-
-      // Most of the Speckle-written datasets will be containing geometry and added as Layers
-      // although, some datasets might be just tables (e.g. native GIS Tables, in the future maybe Revit schedules etc.
-      // We can create a connection to the dataset in advance and determine its type, but this will be more
-      // expensive, than assuming by default that it's a layer with geometry (which in most cases it's expected to be)
-      try
+      // if Scene
+      // https://community.esri.com/t5/arcgis-pro-sdk-questions/sdk-equivalent-to-changing-layer-s-elevation/td-p/1346139
+      if (_settingsStore.Current.Map.IsScene)
       {
-        var layer = LayerFactory.Instance.CreateLayer(uri, groupLayer, layerName: shortName);
-        if (layer == null)
+        var groundSurfaceLayer = _settingsStore.Current.Map.GetGroundElevationSurfaceLayer();
+        var layerElevationSurface = new CIMLayerElevationSurface { ElevationSurfaceLayerURI = groundSurfaceLayer.URI, };
+
+        // for Feature Layers
+        if (layer.GetDefinition() is CIMFeatureLayer cimLyr)
         {
-          throw new SpeckleException($"Layer '{shortName}' was not created");
+          cimLyr.LayerElevation = layerElevationSurface;
+          layer.SetDefinition(cimLyr);
         }
-        layer.SetExpanded(false);
-
-        // if Scene
-        // https://community.esri.com/t5/arcgis-pro-sdk-questions/sdk-equivalent-to-changing-layer-s-elevation/td-p/1346139
-        if (_settingsStore.Current.Map.IsScene)
-        {
-          var groundSurfaceLayer = _settingsStore.Current.Map.GetGroundElevationSurfaceLayer();
-          var layerElevationSurface = new CIMLayerElevationSurface
-          {
-            ElevationSurfaceLayerURI = groundSurfaceLayer.URI,
-          };
-
-          // for Feature Layers
-          if (layer.GetDefinition() is CIMFeatureLayer cimLyr)
-          {
-            cimLyr.LayerElevation = layerElevationSurface;
-            layer.SetDefinition(cimLyr);
-          }
-        }
-
-        return (MapMember)layer;
       }
-      catch (ArgumentException)
-      {
-        StandaloneTable table = StandaloneTableFactory.Instance.CreateStandaloneTable(
-          uri,
-          groupLayer,
-          tableName: shortName
-        );
-        return table;
-      }
-    });
+
+      return layer;
+    }
+    catch (ArgumentException)
+    {
+      StandaloneTable table = StandaloneTableFactory.Instance.CreateStandaloneTable(
+        uri,
+        groupLayer,
+        tableName: shortName
+      );
+      return table;
+    }
   }
 
   private GroupLayer CreateNestedGroupLayer(string nestedLayerPath, Dictionary<string, GroupLayer> createdLayerGroups)
@@ -408,17 +408,4 @@ public class ArcGISHostObjectBuilder : IHostObjectBuilder
     var originalPath = reverseOrderPath.Reverse().ToArray();
     return originalPath.Where(x => !string.IsNullOrEmpty(x)).ToArray();
   }
-
-  [Pure]
-  private static bool HasGISParent(TraversalContext context)
-  {
-    List<Base> gisLayers = context.GetAscendants().Where(IsGISType).Where(obj => obj != context.Current).ToList();
-    return gisLayers.Count > 0;
-  }
-
-  [Pure]
-  private static bool IsGISType(Base obj)
-  {
-    return obj is RasterLayer or VectorLayer;
-  }
 }

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/Operations/Send/ArcGISRootObjectBuilder.cs

@@ -1,206 +1,362 @@
-using System.Diagnostics;
+using ArcGIS.Core.Data.Raster;
+using ArcGIS.Core.Geometry;
 using ArcGIS.Desktop.Framework.Threading.Tasks;
-using ArcGIS.Desktop.Mapping;
 using Microsoft.Extensions.Logging;
 using Speckle.Connectors.ArcGIS.HostApp;
+using Speckle.Connectors.ArcGIS.HostApp.Extensions;
 using Speckle.Connectors.ArcGIS.Utils;
 using Speckle.Connectors.Common.Builders;
-using Speckle.Connectors.Common.Caching;
 using Speckle.Connectors.Common.Conversion;
 using Speckle.Connectors.Common.Extensions;
 using Speckle.Connectors.Common.Operations;
 using Speckle.Converters.ArcGIS3;
 using Speckle.Converters.Common;
-using Speckle.Objects.GIS;
 using Speckle.Sdk;
 using Speckle.Sdk.Logging;
 using Speckle.Sdk.Models;
 using Speckle.Sdk.Models.Collections;
-using Speckle.Sdk.Models.Proxies;
 
 namespace Speckle.Connectors.ArcGis.Operations.Send;
 
 /// <summary>
 /// Stateless builder object to turn an ISendFilter into a <see cref="Base"/> object
 /// </summary>
-public class ArcGISRootObjectBuilder : IRootObjectBuilder<MapMember>
+public class ArcGISRootObjectBuilder : IRootObjectBuilder<ADM.MapMember>
 {
   private readonly IRootToSpeckleConverter _rootToSpeckleConverter;
-  private readonly ISendConversionCache _sendConversionCache;
-  private readonly ArcGISColorManager _colorManager;
+  private readonly ArcGISLayerUnpacker _layerUnpacker;
+  private readonly ArcGISColorUnpacker _colorUnpacker;
   private readonly IConverterSettingsStore<ArcGISConversionSettings> _converterSettings;
-  private readonly MapMembersUtils _mapMemberUtils;
   private readonly ILogger<ArcGISRootObjectBuilder> _logger;
   private readonly ISdkActivityFactory _activityFactory;
+  private readonly MapMembersUtils _mapMemberUtils;
 
   public ArcGISRootObjectBuilder(
-    ISendConversionCache sendConversionCache,
-    ArcGISColorManager colorManager,
+    ArcGISLayerUnpacker layerUnpacker,
+    ArcGISColorUnpacker colorUnpacker,
     IConverterSettingsStore<ArcGISConversionSettings> converterSettings,
     IRootToSpeckleConverter rootToSpeckleConverter,
-    MapMembersUtils mapMemberUtils,
     ILogger<ArcGISRootObjectBuilder> logger,
-    ISdkActivityFactory activityFactory
+    ISdkActivityFactory activityFactory,
+    MapMembersUtils mapMemberUtils
   )
   {
-    _sendConversionCache = sendConversionCache;
-    _colorManager = colorManager;
+    _layerUnpacker = layerUnpacker;
+    _colorUnpacker = colorUnpacker;
     _converterSettings = converterSettings;
     _rootToSpeckleConverter = rootToSpeckleConverter;
-    _mapMemberUtils = mapMemberUtils;
     _logger = logger;
     _activityFactory = activityFactory;
+    _mapMemberUtils = mapMemberUtils;
   }
 
-#pragma warning disable CA1506
-  public async Task<RootObjectBuilderResult> Build(
-#pragma warning restore CA1506
-    IReadOnlyList<MapMember> objects,
-    SendInfo sendInfo,
-    Action<string, double?>? onOperationProgressed = null,
-    CancellationToken ct = default
+  public Task<RootObjectBuilderResult> Build(
+    IReadOnlyList<ADM.MapMember> layers,
+    SendInfo __,
+    IProgress<CardProgress> onOperationProgressed,
+    CancellationToken cancellationToken
+  ) => QueuedTask.Run(() => BuildInternal(layers, __, onOperationProgressed, cancellationToken));
+
+  private async Task<RootObjectBuilderResult> BuildInternal(
+    IReadOnlyList<ADM.MapMember> layers,
+    SendInfo __,
+    IProgress<CardProgress> onOperationProgressed,
+    CancellationToken cancellationToken
   )
   {
     // TODO: add a warning if Geographic CRS is set
     // "Data has been sent in the units 'degrees'. It is advisable to set the project CRS to Projected type (e.g. EPSG:32631) to be able to receive geometry correctly in CAD/BIM software"
 
-    int count = 0;
 
-    Collection rootObjectCollection = new() { name = MapView.Active.Map.Name }; //TODO: Collections
-    rootObjectCollection["units"] = _converterSettings.Current.SpeckleUnits;
-
-    List<SendConversionResult> results = new(objects.Count);
-    var cacheHitCount = 0;
-    List<(GroupLayer, Collection)> nestedGroups = new();
-
-    // reorder selected layers by Table of Content (TOC) order
-    List<(MapMember, int)> layersWithDisplayPriority = _mapMemberUtils.GetLayerDisplayPriority(
-      MapView.Active.Map,
-      objects
-    );
-
-    onOperationProgressed?.Invoke("Converting", null);
-    using (var __ = _activityFactory.Start("Converting objects"))
-    {
-      foreach ((MapMember mapMember, _) in layersWithDisplayPriority)
+    // 0 - Create Root collection and attach CRS properties
+    // CRS properties are useful for data based workflows coming out of gis applications
+    SpatialReference sr = _converterSettings.Current.ActiveCRSoffsetRotation.SpatialReference;
+    Dictionary<string, object?> spatialReference =
+      new()
       {
-        ct.ThrowIfCancellationRequested();
+        ["name"] = sr.Name,
+        ["unit"] = sr.Unit.Name,
+        ["wkid"] = sr.Wkid,
+        ["wkt"] = sr.Wkt,
+      };
 
-        using (var convertingActivity = _activityFactory.Start("Converting object"))
+    Dictionary<string, object?> crs =
+      new()
+      {
+        ["trueNorthRadians"] = _converterSettings.Current.ActiveCRSoffsetRotation.TrueNorthRadians,
+        ["latOffset"] = _converterSettings.Current.ActiveCRSoffsetRotation.LatOffset,
+        ["lonOffset"] = _converterSettings.Current.ActiveCRSoffsetRotation.LonOffset,
+        ["spatialReference"] = spatialReference
+      };
+
+    Collection rootCollection =
+      new()
+      {
+        name = ADM.MapView.Active.Map.Name,
+        ["units"] = _converterSettings.Current.SpeckleUnits,
+        ["crs"] = crs
+      };
+
+    // 1 - Unpack the selected mapmembers
+    // In Arcgis, mapmembers are collections of other mapmember or objects.
+    // We need to unpack the selected mapmembers into all leaf-level mapmembers (containing just objects) and build the root collection structure during unpacking.
+    // Mapmember dynamically attached properties are also added at this step.
+    List<ADM.MapMember> unpackedLayers;
+    Dictionary<ADM.MapMember, long> layersWithFeatureCount;
+    long allFeaturesCount;
+    ADM.Map map = ADM.MapView.Active.Map;
+    IEnumerable<ADM.MapMember> layersOrdered = _mapMemberUtils.GetMapMembersInOrder(map, layers);
+    using (var _ = _activityFactory.Start("Unpacking selection"))
+    {
+      unpackedLayers = _layerUnpacker.UnpackSelection(layersOrdered, rootCollection);
+
+      // count number of features to convert. Raster layers are counter as 1 feature for now (not ideal)
+      layersWithFeatureCount = CountAllFeaturesInLayers(unpackedLayers);
+      allFeaturesCount = layersWithFeatureCount.Values.Sum();
+    }
+
+    List<SendConversionResult> results = new(unpackedLayers.Count);
+    onOperationProgressed.Report(new("Converting", null));
+    using (var convertingActivity = _activityFactory.Start("Converting objects"))
+    {
+      long count = 0;
+
+      foreach (var (layer, layerFeatureCount) in layersWithFeatureCount)
+      {
+        cancellationToken.ThrowIfCancellationRequested();
+        string layerApplicationId = layer.GetSpeckleApplicationId();
+
+        try
         {
-          var collectionHost = rootObjectCollection;
-          string applicationId = mapMember.URI;
-          string sourceType = mapMember.GetType().Name;
-
-          Base converted;
-          try
+          // get the corresponding collection for this layer - we'll add all converted objects to the collection
+          if (_layerUnpacker.CollectionCache.TryGetValue(layerApplicationId, out Collection? layerCollection))
           {
-            int groupCount = nestedGroups.Count; // bake here, because count will change in the loop
-            // if the layer is not a part of the group, reset groups
-            for (int i = 0; i < groupCount; i++)
+            var status = Status.SUCCESS;
+            var sdkStatus = SdkActivityStatusCode.Ok;
+
+            // TODO: check cache first to see if this layer was previously converted
+            /*
+            if (_sendConversionCache.TryGetValue(
+              sendInfo.ProjectId,
+              layerApplicationId,
+              out ObjectReference? value
+            ))
             {
-              if (nestedGroups.Count > 0 && !nestedGroups[0].Item1.Layers.Select(x => x.URI).Contains(applicationId))
-              {
-                nestedGroups.RemoveAt(0);
-              }
-              else
-              {
-                // break at the first group, which contains current layer
+
+            }
+            */
+
+            switch (layer)
+            {
+              case ADM.FeatureLayer featureLayer:
+                List<Base> convertedFeatureLayerObjects = ConvertFeatureLayerObjects(
+                  featureLayer,
+                  count,
+                  allFeaturesCount,
+                  onOperationProgressed,
+                  cancellationToken
+                );
+                layerCollection.elements.AddRange(convertedFeatureLayerObjects);
+                break;
+              case ADM.RasterLayer rasterLayer:
+                List<Base> convertedRasterLayerObjects = ConvertRasterLayerObjects(
+                  rasterLayer,
+                  count,
+                  allFeaturesCount,
+                  onOperationProgressed,
+                  cancellationToken
+                );
+                layerCollection.elements.AddRange(convertedRasterLayerObjects);
+                break;
+              case ADM.LasDatasetLayer lasDatasetLayer:
+                List<Base> convertedLasDatasetObjects = ConvertLasDatasetLayerObjects(
+                  lasDatasetLayer,
+                  count,
+                  allFeaturesCount,
+                  onOperationProgressed,
+                  cancellationToken
+                );
+                layerCollection.elements.AddRange(convertedLasDatasetObjects);
+                break;
+              default:
+                status = Status.ERROR;
+                sdkStatus = SdkActivityStatusCode.Error;
                 break;
-              }
             }
 
-            // don't use cache for group layers
-            if (
-              mapMember is not GroupLayer
-              && _sendConversionCache.TryGetValue(sendInfo.ProjectId, applicationId, out ObjectReference? value)
-            )
-            {
-              converted = value;
-              cacheHitCount++;
-            }
-            else
-            {
-              if (mapMember is GroupLayer group)
-              {
-                // group layer will always come before it's contained layers
-                // keep active group last in the list
-                converted = new Collection();
-                nestedGroups.Insert(0, (group, (Collection)converted));
-              }
-              else
-              {
-                converted = await QueuedTask
-                  .Run(() => (Collection)_rootToSpeckleConverter.Convert(mapMember))
-                  .ConfigureAwait(false);
-
-                // get units & Active CRS (for writing geometry coords)
-                converted["units"] = _converterSettings.Current.SpeckleUnits;
-
-                var spatialRef = _converterSettings.Current.ActiveCRSoffsetRotation.SpatialReference;
-                converted["crs"] = new CRS
-                {
-                  wkt = spatialRef.Wkt,
-                  name = spatialRef.Name,
-                  offset_y = Convert.ToSingle(_converterSettings.Current.ActiveCRSoffsetRotation.LatOffset),
-                  offset_x = Convert.ToSingle(_converterSettings.Current.ActiveCRSoffsetRotation.LonOffset),
-                  rotation = Convert.ToSingle(_converterSettings.Current.ActiveCRSoffsetRotation.TrueNorthRadians),
-                  units_native = _converterSettings.Current.SpeckleUnits
-                };
-              }
-
-              // other common properties for layers and groups
-              converted["name"] = mapMember.Name;
-              converted.applicationId = applicationId;
-            }
-
-            if (
-              nestedGroups.Count == 0
-              || nestedGroups.Count == 1 && nestedGroups[0].Item2.applicationId == applicationId
-            )
-            {
-              // add to host if no groups, or current root group
-              collectionHost.elements.Add(converted);
-            }
-            else
-            {
-              // if we are adding a layer inside the group
-              var parentCollection = nestedGroups.FirstOrDefault(x =>
-                x.Item1.Layers.Select(y => y.URI).Contains(applicationId)
-              );
-              parentCollection.Item2.elements.Add(converted);
-            }
-
-            results.Add(new(Status.SUCCESS, applicationId, sourceType, converted));
-            convertingActivity?.SetStatus(SdkActivityStatusCode.Ok);
+            count += layerFeatureCount;
+            results.Add(new(status, layerApplicationId, layer.GetType().Name, layerCollection));
+            convertingActivity?.SetStatus(sdkStatus);
           }
-          catch (Exception ex) when (!ex.IsFatal())
+          else
           {
-            _logger.LogSendConversionError(ex, sourceType);
-            results.Add(new(Status.ERROR, applicationId, sourceType, null, ex));
-            convertingActivity?.SetStatus(SdkActivityStatusCode.Error);
-            convertingActivity?.RecordException(ex);
+            throw new SpeckleException($"No converted Collection found for layer {layerApplicationId}.");
           }
         }
+        catch (Exception ex) when (!ex.IsFatal())
+        {
+          _logger.LogSendConversionError(ex, layer.GetType().Name);
+          results.Add(new(Status.ERROR, layerApplicationId, layer.GetType().Name, null, ex));
+          convertingActivity?.SetStatus(SdkActivityStatusCode.Error);
+          convertingActivity?.RecordException(ex);
+        }
 
-        onOperationProgressed?.Invoke("Converting", (double)++count / objects.Count);
+        await Task.Yield();
       }
     }
 
     if (results.All(x => x.Status == Status.ERROR))
     {
-      throw new SpeckleConversionException("Failed to convert all objects."); // fail fast instead creating empty commit! It will appear as model card error with red color.
+      throw new SpeckleException("Failed to convert all objects."); // fail fast instead creating empty commit! It will appear as model card error with red color.
     }
 
-    // POC: Add Color Proxies
-    List<ColorProxy> colorProxies = _colorManager.UnpackColors(layersWithDisplayPriority);
-    rootObjectCollection[ProxyKeys.COLOR] = colorProxies;
+    // 3 -  Add Color Proxies
+    rootCollection[ProxyKeys.COLOR] = _colorUnpacker.ColorProxyCache.Values.ToList();
 
-    // POC: Log would be nice, or can be removed.
-    Debug.WriteLine(
-      $"Cache hit count {cacheHitCount} out of {objects.Count} ({(double)cacheHitCount / objects.Count})"
-    );
+    return new RootObjectBuilderResult(rootCollection, results);
+  }
 
-    return new RootObjectBuilderResult(rootObjectCollection, results);
+  private Dictionary<ADM.MapMember, long> CountAllFeaturesInLayers(List<ADM.MapMember> unpackedLayers)
+  {
+    Dictionary<ADM.MapMember, long> layersFeatureCount = new();
+
+    foreach (ADM.MapMember layer in unpackedLayers)
+    {
+      switch (layer)
+      {
+        case ADM.FeatureLayer featureLayer:
+          layersFeatureCount.Add(featureLayer, featureLayer.GetFeatureClass().GetCount());
+          break;
+        case ADM.RasterLayer rasterLayer:
+          // count Raster layer as 1 feature: not optimal but this is the approach for now
+          layersFeatureCount.Add(rasterLayer, 1);
+          break;
+        case ADM.LasDatasetLayer lasDatasetLayer:
+          var dataset = lasDatasetLayer.GetLasDataset();
+          // simple dataset.GetPointCount() keeps returning null, so switched to EstimatePointCount
+          layersFeatureCount.Add(
+            lasDatasetLayer,
+            (long)dataset.EstimatePointCount(dataset.GetDefinition().GetExtent())
+          );
+          break;
+      }
+    }
+    return layersFeatureCount;
+  }
+
+  private List<Base> ConvertFeatureLayerObjects(
+    ADM.FeatureLayer featureLayer,
+    long count,
+    long allFeaturesCount,
+    IProgress<CardProgress> onOperationProgressed,
+    CancellationToken cancellationToken
+  )
+  {
+    string layerApplicationId = featureLayer.GetSpeckleApplicationId();
+    List<Base> convertedObjects = new();
+    // store the layer renderer for color unpacking
+    _colorUnpacker.StoreRendererAndFields(featureLayer);
+
+    // search the rows of the layer, where each row is treated like an object
+    // RowCursor is IDisposable but is not being correctly picked up by IDE warnings.
+    // This means we need to be carefully adding using statements based on the API documentation coming from each method/class
+    using (ACD.RowCursor rowCursor = featureLayer.Search())
+    {
+      while (rowCursor.MoveNext())
+      {
+        // allow cancellation before every feature
+        cancellationToken.ThrowIfCancellationRequested();
+
+        // Same IDisposable issue appears to happen on Row class too. Docs say it should always be disposed of manually by the caller.
+        using (ACD.Row row = rowCursor.Current)
+        {
+          // get application id. test for subtypes before defaulting to base type.
+          Base converted = _rootToSpeckleConverter.Convert(row);
+          string applicationId = row.GetSpeckleApplicationId(layerApplicationId);
+          converted.applicationId = applicationId;
+
+          convertedObjects.Add(converted);
+
+          // process the object color
+          _colorUnpacker.ProcessFeatureLayerColor(row, applicationId);
+        }
+        // update report
+        onOperationProgressed.Report(new("Converting", (double)++count / allFeaturesCount));
+      }
+    }
+
+    return convertedObjects;
+  }
+
+  // POC: raster colors are stored as mesh vertex colors in RasterToSpeckleConverter. Should probably move to color unpacker.
+  private List<Base> ConvertRasterLayerObjects(
+    ADM.RasterLayer rasterLayer,
+    long count,
+    long allFeaturesCount,
+    IProgress<CardProgress> onOperationProgressed,
+    CancellationToken cancellationToken
+  )
+  {
+    string layerApplicationId = rasterLayer.GetSpeckleApplicationId();
+    List<Base> convertedObjects = new();
+    Raster raster = rasterLayer.GetRaster();
+
+    // check cancellation token before conversion
+    cancellationToken.ThrowIfCancellationRequested();
+    Base converted = _rootToSpeckleConverter.Convert(raster);
+    string applicationId = raster.GetSpeckleApplicationId(layerApplicationId);
+    converted.applicationId = applicationId;
+    convertedObjects.Add(converted);
+
+    // update report
+    onOperationProgressed.Report(new("Converting", (double)++count / allFeaturesCount));
+
+    return convertedObjects;
+  }
+
+  private List<Base> ConvertLasDatasetLayerObjects(
+    ADM.LasDatasetLayer lasDatasetLayer,
+    long count,
+    long allFeaturesCount,
+    IProgress<CardProgress> onOperationProgressed,
+    CancellationToken cancellationToken
+  )
+  {
+    string layerApplicationId = lasDatasetLayer.GetSpeckleApplicationId();
+    List<Base> convertedObjects = new();
+
+    try
+    {
+      // store the layer renderer for color unpacking
+      _colorUnpacker.StoreRenderer(lasDatasetLayer);
+
+      using (ACD.Analyst3D.LasPointCursor ptCursor = lasDatasetLayer.SearchPoints(new ACD.Analyst3D.LasPointFilter()))
+      {
+        while (ptCursor.MoveNext())
+        {
+          // allow cancellation before every point
+          cancellationToken.ThrowIfCancellationRequested();
+
+          using (ACD.Analyst3D.LasPoint pt = ptCursor.Current)
+          {
+            Base converted = _rootToSpeckleConverter.Convert(pt);
+            string applicationId = pt.GetSpeckleApplicationId(layerApplicationId);
+            converted.applicationId = applicationId;
+            convertedObjects.Add(converted);
+
+            // process the object color
+            _colorUnpacker.ProcessLasLayerColor(pt, applicationId);
+          }
+          // update report
+          onOperationProgressed.Report(new("Converting", (double)++count / allFeaturesCount));
+        }
+      }
+    }
+    catch (ACD.Exceptions.TinException ex)
+    {
+      throw new SpeckleException("3D analyst extension is not enabled for .las layer operations", ex);
+    }
+
+    return convertedObjects;
   }
 }

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/SpeckleDUI3ViewModel.cs

@@ -18,7 +18,7 @@ internal sealed class SpeckleDUI3ViewModel : DockPane
   /// </summary>
   protected override async Task InitializeAsync()
   {
-    await base.InitializeAsync().ConfigureAwait(false);
+    await base.InitializeAsync();
   }
 
   /// <summary>
@@ -26,7 +26,7 @@ internal sealed class SpeckleDUI3ViewModel : DockPane
   /// </summary>
   protected override async Task UninitializeAsync()
   {
-    await base.UninitializeAsync().ConfigureAwait(false);
+    await base.UninitializeAsync();
   }
 }
 

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/Utils/ArcGisDocumentStore.cs

@@ -3,21 +3,25 @@ using ArcGIS.Desktop.Core.Events;
 using ArcGIS.Desktop.Framework.Threading.Tasks;
 using ArcGIS.Desktop.Mapping;
 using ArcGIS.Desktop.Mapping.Events;
+using Speckle.Connectors.Common.Threading;
 using Speckle.Connectors.DUI.Bridge;
 using Speckle.Connectors.DUI.Models;
-using Speckle.Newtonsoft.Json;
-using Speckle.Sdk.Common;
+using Speckle.Connectors.DUI.Utils;
 
 namespace Speckle.Connectors.ArcGIS.Utils;
 
 public class ArcGISDocumentStore : DocumentModelStore
 {
+  private readonly IThreadContext _threadContext;
+
   public ArcGISDocumentStore(
-    JsonSerializerSettings serializerOption,
-    ITopLevelExceptionHandler topLevelExceptionHandler
+    IJsonSerializer jsonSerializer,
+    ITopLevelExceptionHandler topLevelExceptionHandler,
+    IThreadContext threadContext
   )
-    : base(serializerOption, true)
+    : base(jsonSerializer)
   {
+    _threadContext = threadContext;
     ActiveMapViewChangedEvent.Subscribe(a => topLevelExceptionHandler.CatchUnhandled(() => OnMapViewChanged(a)), true);
     ProjectSavingEvent.Subscribe(
       _ =>
@@ -40,7 +44,7 @@ public class ArcGISDocumentStore : DocumentModelStore
     if (!IsDocumentInit && MapView.Active != null)
     {
       IsDocumentInit = true;
-      ReadFromFile();
+      LoadState();
       OnDocumentChanged();
     }
   }
@@ -52,14 +56,14 @@ public class ArcGISDocumentStore : DocumentModelStore
       return;
     }
 
-    WriteToFile();
+    SaveState();
   }
 
   private void OnProjectSaving()
   {
     if (MapView.Active is not null)
     {
-      WriteToFile();
+      SaveState();
     }
   }
 
@@ -74,58 +78,56 @@ public class ArcGISDocumentStore : DocumentModelStore
     }
 
     IsDocumentInit = true;
-    ReadFromFile();
+    LoadState();
     OnDocumentChanged();
   }
 
-  public override void WriteToFile()
-  {
-    Map map = MapView.Active.Map;
-    QueuedTask.Run(() =>
-    {
-      // Read existing metadata - To prevent messing existing metadata. 🤞 Hope other add-in developers will do same :D
-      var existingMetadata = map.GetMetadata();
-
-      // Parse existing metadata
-      XDocument existingXmlDocument = !string.IsNullOrEmpty(existingMetadata)
-        ? XDocument.Parse(existingMetadata)
-        : new XDocument(new XElement("metadata"));
-
-      string serializedModels = Serialize();
-
-      XElement xmlModelCards = new("SpeckleModelCards", serializedModels);
-
-      // Check if SpeckleModelCards element already exists at root and update it
-      var speckleModelCardsElement = existingXmlDocument.Root?.Element("SpeckleModelCards");
-      if (speckleModelCardsElement != null)
+  protected override void HostAppSaveState(string modelCardState) =>
+    QueuedTask
+      .Run(() =>
       {
-        speckleModelCardsElement.ReplaceWith(xmlModelCards);
-      }
-      else
+        Map map = MapView.Active.Map;
+        // Read existing metadata - To prevent messing existing metadata. 🤞 Hope other add-in developers will do same :D
+        var existingMetadata = map.GetMetadata();
+
+        // Parse existing metadata
+        XDocument existingXmlDocument = !string.IsNullOrEmpty(existingMetadata)
+          ? XDocument.Parse(existingMetadata)
+          : new XDocument(new XElement("metadata"));
+
+        XElement xmlModelCards = new("SpeckleModelCards", modelCardState);
+
+        // Check if SpeckleModelCards element already exists at root and update it
+        var speckleModelCardsElement = existingXmlDocument.Root?.Element("SpeckleModelCards");
+        if (speckleModelCardsElement != null)
+        {
+          speckleModelCardsElement.ReplaceWith(xmlModelCards);
+        }
+        else
+        {
+          existingXmlDocument.Root?.Add(xmlModelCards);
+        }
+
+        map.SetMetadata(existingXmlDocument.ToString());
+      })
+      .FireAndForget();
+
+  protected override void LoadState() =>
+    QueuedTask
+      .Run(() =>
       {
-        existingXmlDocument.Root?.Add(xmlModelCards);
-      }
+        Map map = MapView.Active.Map;
+        var metadata = map.GetMetadata();
+        var root = XDocument.Parse(metadata).Root;
+        var element = root?.Element("SpeckleModelCards");
+        if (element is null)
+        {
+          ClearAndSave();
+          return;
+        }
 
-      map.SetMetadata(existingXmlDocument.ToString());
-    });
-  }
-
-  public override void ReadFromFile()
-  {
-    Map map = MapView.Active.Map;
-    QueuedTask.Run(() =>
-    {
-      var metadata = map.GetMetadata();
-      var root = XDocument.Parse(metadata).Root;
-      var element = root?.Element("SpeckleModelCards");
-      if (element is null)
-      {
-        Models = new();
-        return;
-      }
-
-      string modelsString = element.Value;
-      Models = Deserialize(modelsString).NotNull();
-    });
-  }
+        string modelsString = element.Value;
+        LoadFromString(modelsString);
+      })
+      .FireAndForget();
 }

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/Utils/MapMembersUtils.cs

@@ -1,4 +1,3 @@
-using ArcGIS.Desktop.Internal.Mapping;
 using ArcGIS.Desktop.Mapping;
 
 namespace Speckle.Connectors.ArcGIS.Utils;
@@ -28,45 +27,35 @@ public class MapMembersUtils
     List<MapMember> mapMembers = new();
     foreach (var layer in mapMembersToUnpack)
     {
+      mapMembers.Add(layer);
       switch (layer)
       {
-        case GroupLayer subGroup:
-          mapMembers.Add(layer);
-          var subGroupMapMembers = UnpackMapLayers(subGroup.Layers);
-          mapMembers.AddRange(subGroupMapMembers);
-          break;
-        case ILayerContainerInternal subLayerContainerInternal:
-          mapMembers.Add(layer);
-          var subLayerMapMembers = UnpackMapLayers(subLayerContainerInternal.InternalLayers);
+        case ILayerContainer subGroup:
+          var subLayerMapMembers = UnpackMapLayers(subGroup.Layers);
           mapMembers.AddRange(subLayerMapMembers);
           break;
-        default:
-          mapMembers.Add(layer);
-          break;
       }
     }
 
     return mapMembers;
   }
 
-  // Gets the layer display priority for selected layers
-  public List<(MapMember, int)> GetLayerDisplayPriority(Map map, IReadOnlyList<MapMember> selectedMapMembers)
+  /// <summary>
+  /// Sorts the selected mapmembers into the same order as they appear in the Table of Contents (TOC) bar in the file.
+  /// This is a required step before unpacking layers, because depending on the user selection order, some children layers may appear before their container layer if both the container and children layers are selected.
+  /// </summary>
+  public IEnumerable<MapMember> GetMapMembersInOrder(Map map, IReadOnlyList<MapMember> selectedMapMembers)
   {
     // first get all map layers
     List<MapMember> allMapMembers = GetAllMapMembers(map);
 
     // recalculate selected layer priority from all map layers
-    List<(MapMember, int)> selectedLayers = new();
-    int newCount = 0;
     foreach (MapMember mapMember in allMapMembers)
     {
       if (selectedMapMembers.Contains(mapMember))
       {
-        selectedLayers.Add((mapMember, newCount));
-        newCount++;
+        yield return mapMember;
       }
     }
-
-    return selectedLayers;
   }
 }

Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/packages.lock.json

@@ -76,6 +76,11 @@
         "resolved": "6.0.0",
         "contentHash": "yg72rrYDapfsIUrul7aF6wwNnTJBOFvuA9VdDTQpPa8AlAriHbufeXYLBcodKjfUdkCnaiggX1U/nEP08Zb5GA=="
       },
+      "Microsoft.Bcl.AsyncInterfaces": {
+        "type": "Transitive",
+        "resolved": "5.0.0",
+        "contentHash": "W8DPQjkMScOMTtJbPwmPyj9c3zYSFGawDW3jwlBOOsnY+EzZFLgNQ/UMkK35JmkNOVPdCyPr2Tw7Vv9N+KA3ZQ=="
+      },
       "Microsoft.Build.Tasks.Git": {
         "type": "Transitive",
         "resolved": "8.0.0",
@@ -88,17 +93,17 @@
       },
       "Microsoft.Data.Sqlite": {
         "type": "Transitive",
-        "resolved": "7.0.7",
-        "contentHash": "tiNmV1oPy+Z2R7Wd0bPB/FxCr8B+/5q11OpDMG751GA/YuOL7MZrBFfzv5oFRlFe08K6sjrnbrauzzGIeNrzLQ==",
+        "resolved": "7.0.5",
+        "contentHash": "KGxbPeWsQMnmQy43DSBxAFtHz3l2JX8EWBSGUCvT3CuZ8KsuzbkqMIJMDOxWtG8eZSoCDI04aiVQjWuuV8HmSw==",
         "dependencies": {
-          "Microsoft.Data.Sqlite.Core": "7.0.7",
+          "Microsoft.Data.Sqlite.Core": "7.0.5",
           "SQLitePCLRaw.bundle_e_sqlite3": "2.1.4"
         }
       },
       "Microsoft.Data.Sqlite.Core": {
         "type": "Transitive",
-        "resolved": "7.0.7",
-        "contentHash": "21FRzcJhaTrlv7kTrqr/ltFcSQM2TyuTTPhUcjO8H73od7Bb3QraNW90c7lUucNI/245XPkKZG4fp7/7OsKCSg==",
+        "resolved": "7.0.5",
+        "contentHash": "FTerRmQPqHrCrnoUzhBu+E+1DNGwyrAMLqHkAqOOOu5pGfyMOj8qQUBxI/gDtWtG11p49UxSfWmBzRNlwZqfUg==",
         "dependencies": {
           "SQLitePCLRaw.core": "2.1.4"
         }
@@ -161,29 +166,6 @@
         "resolved": "8.0.0",
         "contentHash": "dk9JPxTCIevS75HyEQ0E4OVAFhB2N+V9ShCXf8Q6FkUQZDkgLI12y679Nym1YqsiSysuQskT7Z+6nUf3yab6Vw=="
       },
-      "Polly": {
-        "type": "Transitive",
-        "resolved": "7.2.3",
-        "contentHash": "DeCY0OFbNdNxsjntr1gTXHJ5pKUwYzp04Er2LLeN3g6pWhffsGuKVfMBLe1lw7x76HrPkLxKEFxBlpRxS2nDEQ=="
-      },
-      "Polly.Contrib.WaitAndRetry": {
-        "type": "Transitive",
-        "resolved": "1.1.1",
-        "contentHash": "1MUQLiSo4KDkQe6nzQRhIU05lm9jlexX5BVsbuw0SL82ynZ+GzAHQxJVDPVBboxV37Po3SG077aX8DuSy8TkaA=="
-      },
-      "Polly.Extensions.Http": {
-        "type": "Transitive",
-        "resolved": "3.0.0",
-        "contentHash": "drrG+hB3pYFY7w1c3BD+lSGYvH2oIclH8GRSehgfyP5kjnFnHKQuuBhuHLv+PWyFuaTDyk/vfRpnxOzd11+J8g==",
-        "dependencies": {
-          "Polly": "7.1.0"
-        }
-      },
-      "Speckle.DoubleNumerics": {
-        "type": "Transitive",
-        "resolved": "4.0.1",
-        "contentHash": "MzEQ1Im0zTja+tEsdRIk/WlPiKqb22NmTOJcR1ZKm/mz46pezyyID3/wRz6vJUELMpSLnG7LhsxBL+nxbr7V0w=="
-      },
       "Speckle.Newtonsoft.Json": {
         "type": "Transitive",
         "resolved": "13.0.2",
@@ -239,13 +221,21 @@
         "resolved": "4.5.1",
         "contentHash": "Zh8t8oqolRaFa9vmOZfdQm/qKejdqz0J9kr7o2Fu0vPeoH3BL1EOXipKWwkWtLT1JPzjByrF19fGuFlNbmPpiw=="
       },
+      "speckle.common.meshtriangulation": {
+        "type": "Project",
+        "dependencies": {
+          "LibTessDotNet": "[1.1.15, )",
+          "Speckle.DoubleNumerics": "[4.1.0, )"
+        }
+      },
       "speckle.connectors.common": {
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
           "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.1.0-dev.146, )",
-          "Speckle.Sdk": "[3.1.0-dev.146, )"
+          "Speckle.Objects": "[3.1.7, )",
+          "Speckle.Sdk": "[3.1.7, )",
+          "Speckle.Sdk.Dependencies": "[3.1.7, )"
         }
       },
       "speckle.connectors.dui": {
@@ -253,8 +243,8 @@
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
           "Speckle.Connectors.Common": "[1.0.0, )",
-          "Speckle.Sdk": "[3.1.0-dev.146, )",
-          "System.Threading.Tasks.Dataflow": "[6.0.0, )"
+          "Speckle.Sdk": "[3.1.7, )",
+          "Speckle.Sdk.Dependencies": "[3.1.7, )"
         }
       },
       "speckle.connectors.dui.webview": {
@@ -271,6 +261,7 @@
         "type": "Project",
         "dependencies": {
           "Esri.ArcGISPro.Extensions30": "[3.2.0.49743, )",
+          "Speckle.Common.MeshTriangulation": "[1.0.0, )",
           "Speckle.Converters.Common": "[1.0.0, )"
         }
       },
@@ -278,9 +269,15 @@
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.1.0-dev.146, )"
+          "Speckle.Objects": "[3.1.7, )"
         }
       },
+      "LibTessDotNet": {
+        "type": "CentralTransitive",
+        "requested": "[1.1.15, )",
+        "resolved": "1.1.15",
+        "contentHash": "KuA7N3Nv/lIeawJdQBQJR6oqWD9KETHLbWzBqapwFs+Tby+R5I4crkKujKMm5bXcSuFZ8LNtflFQVadsWCbBjg=="
+      },
       "Microsoft.Extensions.DependencyInjection": {
         "type": "CentralTransitive",
         "requested": "[2.2.0, )",
@@ -308,38 +305,43 @@
         "resolved": "1.0.1938.49",
         "contentHash": "z8KnFnaTYzhA/ZnyRX0qGfS1NU5ZBJeClAH64F0fVDvdDJTvME7xl6zTJ0Jlfe1BtL3C0NH9xTy64shg2baKdw=="
       },
+      "Speckle.DoubleNumerics": {
+        "type": "CentralTransitive",
+        "requested": "[4.1.0, )",
+        "resolved": "4.1.0",
+        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
+      },
       "Speckle.Objects": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.146, )",
-        "resolved": "3.1.0-dev.146",
-        "contentHash": "xuv5LaU6j8ODGHyClHbbK78bOJid8LGuwfVcEega1q3sYwmLWOWIDP9lO0QA1tyctE+2CZDH3sOUChleAFC4fg==",
+        "requested": "[3.1.7, )",
+        "resolved": "3.1.7",
+        "contentHash": "Htg6IeMLTTf8fTaOKEKMPZzrseu4NAtVpiZwVtLhg7ZzdndW8WlsvEyFRShK1o3hxlPsQJOA5qfsTvf5fcz/pQ==",
         "dependencies": {
-          "Speckle.Sdk": "3.1.0-dev.146"
+          "Speckle.Sdk": "3.1.7"
         }
       },
       "Speckle.Sdk": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.146, )",
-        "resolved": "3.1.0-dev.146",
-        "contentHash": "vNaWJkt7/xcIH/CraOrEumGn8A6gAlyl1RHfRI8B8qAGylSlEhuvuBSatS1gUPI35p9omO63yYQFKaIKEIsa3Q==",
+        "requested": "[3.1.7, )",
+        "resolved": "3.1.7",
+        "contentHash": "oi6fz5fSsWZ+VQiZukpom/fKHRH++Vlyf8a6rlkYQPj6NAqTIV3Rgthalt7Y7wWxGNRIP4KMdGTXvrN7wqCcjA==",
         "dependencies": {
           "GraphQL.Client": "6.0.0",
+          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
           "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "7.0.7",
+          "Microsoft.Data.Sqlite": "7.0.5",
           "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
           "Microsoft.Extensions.Logging": "2.2.0",
-          "Polly": "7.2.3",
-          "Polly.Contrib.WaitAndRetry": "1.1.1",
-          "Polly.Extensions.Http": "3.0.0",
-          "Speckle.DoubleNumerics": "4.0.1",
-          "Speckle.Newtonsoft.Json": "13.0.2"
+          "Speckle.DoubleNumerics": "4.1.0",
+          "Speckle.Newtonsoft.Json": "13.0.2",
+          "Speckle.Sdk.Dependencies": "3.1.7"
         }
       },
-      "System.Threading.Tasks.Dataflow": {
+      "Speckle.Sdk.Dependencies": {
         "type": "CentralTransitive",
-        "requested": "[6.0.0, )",
-        "resolved": "6.0.0",
-        "contentHash": "+tyDCU3/B1lDdOOAJywHQoFwyXIUghIaP2BxG79uvhfTnO+D9qIgjVlL/JV2NTliYbMHpd6eKDmHp2VHpij7MA=="
+        "requested": "[3.1.7, )",
+        "resolved": "3.1.7",
+        "contentHash": "T7FgbPXh9zI+VkC7f9I5qchtktEhslIOo2xeCm4VKRhImrR7naTmZInQ5MXIZvRfawZlPEg6u0tWzCV1q7ov9g=="
       }
     },
     "net6.0-windows7.0/win-x64": {

Connectors/Autocad/Directory.Build.targets

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project>
+  <Target AfterTargets="Clean" Name="CleanAddinAutocad" Condition="'$(AutoCADVersion)' != '' And '$(ContinuousIntegrationBuild)' != 'true'">
+    <RemoveDir Directories="$(AppData)\Autodesk\ApplicationPlugins\Speckle.Connectors.Autocad$(AutoCADVersion);" />
+  </Target>
+
+  <Target AfterTargets="Build"  Name="AfterBuildAutoCAD" Condition="'$(AutoCADVersion)' != '' And '$(ContinuousIntegrationBuild)' != 'true'">
+    <ItemGroup>
+      <AutoCADDLLs Include="$(TargetDir)\**\*.*" />
+    </ItemGroup>
+    <Message Text="AutoCAD Version $(AutoCADVersion)" Importance="high"/>
+    <Copy DestinationFolder="$(AppData)\Autodesk\ApplicationPlugins\Speckle.Connectors.Autocad$(AutoCADVersion)\%(RecursiveDir)" SourceFiles="@(AutoCADDLLs)" />
+  </Target>
+
+  <Target AfterTargets="Clean" Name="CleanAddinCivil3D" Condition="'$(Civil3DVersion)' != '' And '$(ContinuousIntegrationBuild)' != 'true'">
+    <RemoveDir Directories="$(AppData)\Autodesk\ApplicationPlugins\Speckle.Connectors.Civil3d$(Civil3DVersion);" />
+  </Target>
+
+  <Target AfterTargets="Build"  Name="AfterBuildCivil3D" Condition="'$(Civil3DVersion)' != '' And '$(ContinuousIntegrationBuild)' != 'true'">
+    <ItemGroup>
+      <Civil3DDLLs Include="$(TargetDir)\**\*.*" />
+    </ItemGroup>
+    <Message Text="Civil3D Version $(Civil3DVersion)" Importance="high"/>
+    <Copy DestinationFolder="$(AppData)\Autodesk\ApplicationPlugins\Speckle.Connectors.Civil3d$(Civil3DVersion)\%(RecursiveDir)" SourceFiles="@(Civil3DDLLs)" />
+  </Target>
+</Project>

Connectors/Autocad/Speckle.Connectors.Autocad2022/Speckle.Connectors.Autocad2022.csproj

@@ -11,7 +11,7 @@
   </PropertyGroup>
   
   <ItemGroup>
-    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2022.0.2" />
+    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2022.0.2" ExcludeAssets="runtime"/>
   </ItemGroup>  
   
   <ItemGroup>

Connectors/Autocad/Speckle.Connectors.Autocad2022/packages.lock.json

@@ -71,6 +71,14 @@
         "resolved": "6.0.0",
         "contentHash": "yg72rrYDapfsIUrul7aF6wwNnTJBOFvuA9VdDTQpPa8AlAriHbufeXYLBcodKjfUdkCnaiggX1U/nEP08Zb5GA=="
       },
+      "Microsoft.Bcl.AsyncInterfaces": {
+        "type": "Transitive",
+        "resolved": "5.0.0",
+        "contentHash": "W8DPQjkMScOMTtJbPwmPyj9c3zYSFGawDW3jwlBOOsnY+EzZFLgNQ/UMkK35JmkNOVPdCyPr2Tw7Vv9N+KA3ZQ==",
+        "dependencies": {
+          "System.Threading.Tasks.Extensions": "4.5.4"
+        }
+      },
       "Microsoft.Build.Tasks.Git": {
         "type": "Transitive",
         "resolved": "8.0.0",
@@ -83,17 +91,17 @@
       },
       "Microsoft.Data.Sqlite": {
         "type": "Transitive",
-        "resolved": "7.0.7",
-        "contentHash": "tiNmV1oPy+Z2R7Wd0bPB/FxCr8B+/5q11OpDMG751GA/YuOL7MZrBFfzv5oFRlFe08K6sjrnbrauzzGIeNrzLQ==",
+        "resolved": "7.0.5",
+        "contentHash": "KGxbPeWsQMnmQy43DSBxAFtHz3l2JX8EWBSGUCvT3CuZ8KsuzbkqMIJMDOxWtG8eZSoCDI04aiVQjWuuV8HmSw==",
         "dependencies": {
-          "Microsoft.Data.Sqlite.Core": "7.0.7",
+          "Microsoft.Data.Sqlite.Core": "7.0.5",
           "SQLitePCLRaw.bundle_e_sqlite3": "2.1.4"
         }
       },
       "Microsoft.Data.Sqlite.Core": {
         "type": "Transitive",
-        "resolved": "7.0.7",
-        "contentHash": "21FRzcJhaTrlv7kTrqr/ltFcSQM2TyuTTPhUcjO8H73od7Bb3QraNW90c7lUucNI/245XPkKZG4fp7/7OsKCSg==",
+        "resolved": "7.0.5",
+        "contentHash": "FTerRmQPqHrCrnoUzhBu+E+1DNGwyrAMLqHkAqOOOu5pGfyMOj8qQUBxI/gDtWtG11p49UxSfWmBzRNlwZqfUg==",
         "dependencies": {
           "SQLitePCLRaw.core": "2.1.4"
         }
@@ -156,29 +164,6 @@
         "resolved": "8.0.0",
         "contentHash": "dk9JPxTCIevS75HyEQ0E4OVAFhB2N+V9ShCXf8Q6FkUQZDkgLI12y679Nym1YqsiSysuQskT7Z+6nUf3yab6Vw=="
       },
-      "Polly": {
-        "type": "Transitive",
-        "resolved": "7.2.3",
-        "contentHash": "DeCY0OFbNdNxsjntr1gTXHJ5pKUwYzp04Er2LLeN3g6pWhffsGuKVfMBLe1lw7x76HrPkLxKEFxBlpRxS2nDEQ=="
-      },
-      "Polly.Contrib.WaitAndRetry": {
-        "type": "Transitive",
-        "resolved": "1.1.1",
-        "contentHash": "1MUQLiSo4KDkQe6nzQRhIU05lm9jlexX5BVsbuw0SL82ynZ+GzAHQxJVDPVBboxV37Po3SG077aX8DuSy8TkaA=="
-      },
-      "Polly.Extensions.Http": {
-        "type": "Transitive",
-        "resolved": "3.0.0",
-        "contentHash": "drrG+hB3pYFY7w1c3BD+lSGYvH2oIclH8GRSehgfyP5kjnFnHKQuuBhuHLv+PWyFuaTDyk/vfRpnxOzd11+J8g==",
-        "dependencies": {
-          "Polly": "7.1.0"
-        }
-      },
-      "Speckle.DoubleNumerics": {
-        "type": "Transitive",
-        "resolved": "4.0.1",
-        "contentHash": "MzEQ1Im0zTja+tEsdRIk/WlPiKqb22NmTOJcR1ZKm/mz46pezyyID3/wRz6vJUELMpSLnG7LhsxBL+nxbr7V0w=="
-      },
       "Speckle.Newtonsoft.Json": {
         "type": "Transitive",
         "resolved": "13.0.2",
@@ -274,8 +259,9 @@
         "dependencies": {
           "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
           "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.1.0-dev.146, )",
-          "Speckle.Sdk": "[3.1.0-dev.146, )"
+          "Speckle.Objects": "[3.1.7, )",
+          "Speckle.Sdk": "[3.1.7, )",
+          "Speckle.Sdk.Dependencies": "[3.1.7, )"
         }
       },
       "speckle.connectors.dui": {
@@ -283,8 +269,8 @@
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
           "Speckle.Connectors.Common": "[1.0.0, )",
-          "Speckle.Sdk": "[3.1.0-dev.146, )",
-          "System.Threading.Tasks.Dataflow": "[6.0.0, )"
+          "Speckle.Sdk": "[3.1.7, )",
+          "Speckle.Sdk.Dependencies": "[3.1.7, )"
         }
       },
       "speckle.connectors.dui.webview": {
@@ -308,7 +294,7 @@
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Connectors/Autocad/Speckle.Connectors.Autocad2023/Speckle.Connectors.Autocad2023.csproj

@@ -11,7 +11,7 @@
   </PropertyGroup>
   
   <ItemGroup>
-    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2023.0.0" />
+    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2023.0.0" ExcludeAssets="runtime"/>
   </ItemGroup>  
   
   <ItemGroup>

Connectors/Autocad/Speckle.Connectors.Autocad2023/packages.lock.json

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Connectors/Autocad/Speckle.Connectors.Autocad2024/Speckle.Connectors.Autocad2024.csproj

@@ -11,7 +11,7 @@
   </PropertyGroup>
   
   <ItemGroup>
-    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2024.0.0" />
+    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2024.0.0" ExcludeAssets="runtime"/>
   </ItemGroup>  
   
   <ItemGroup>   

Connectors/Autocad/Speckle.Connectors.Autocad2024/packages.lock.json

@@ -71,6 +71,14 @@
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+          "Speckle.Objects": "[3.1.7, )",
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@@ -309,7 +295,7 @@
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       },
-      "System.Threading.Tasks.Dataflow": {
+      "Speckle.Sdk.Dependencies": {
         "type": "CentralTransitive",
-        "requested": "[6.0.0, )",
-        "resolved": "6.0.0",
-        "contentHash": "+tyDCU3/B1lDdOOAJywHQoFwyXIUghIaP2BxG79uvhfTnO+D9qIgjVlL/JV2NTliYbMHpd6eKDmHp2VHpij7MA=="
+        "requested": "[3.1.7, )",
+        "resolved": "3.1.7",
+        "contentHash": "T7FgbPXh9zI+VkC7f9I5qchtktEhslIOo2xeCm4VKRhImrR7naTmZInQ5MXIZvRfawZlPEg6u0tWzCV1q7ov9g=="
       }
     }
   }

Connectors/Autocad/Speckle.Connectors.Autocad2025/Speckle.Connectors.Autocad2025.csproj

@@ -13,8 +13,7 @@
   </PropertyGroup>
   
   <ItemGroup>
-    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2025.0.0" />
-    <FrameworkReference Include="Microsoft.WindowsDesktop.App"/>
+    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2025.0.0" ExcludeAssets="runtime"/>
   </ItemGroup>  
   
   <ItemGroup>   

Connectors/Autocad/Speckle.Connectors.Autocad2025/packages.lock.json

@@ -82,17 +82,17 @@
       },
       "Microsoft.Data.Sqlite": {
         "type": "Transitive",
-        "resolved": "7.0.7",
-        "contentHash": "tiNmV1oPy+Z2R7Wd0bPB/FxCr8B+/5q11OpDMG751GA/YuOL7MZrBFfzv5oFRlFe08K6sjrnbrauzzGIeNrzLQ==",
+        "resolved": "7.0.5",
+        "contentHash": "KGxbPeWsQMnmQy43DSBxAFtHz3l2JX8EWBSGUCvT3CuZ8KsuzbkqMIJMDOxWtG8eZSoCDI04aiVQjWuuV8HmSw==",
         "dependencies": {
-          "Microsoft.Data.Sqlite.Core": "7.0.7",
+          "Microsoft.Data.Sqlite.Core": "7.0.5",
           "SQLitePCLRaw.bundle_e_sqlite3": "2.1.4"
         }
       },
       "Microsoft.Data.Sqlite.Core": {
         "type": "Transitive",
-        "resolved": "7.0.7",
-        "contentHash": "21FRzcJhaTrlv7kTrqr/ltFcSQM2TyuTTPhUcjO8H73od7Bb3QraNW90c7lUucNI/245XPkKZG4fp7/7OsKCSg==",
+        "resolved": "7.0.5",
+        "contentHash": "FTerRmQPqHrCrnoUzhBu+E+1DNGwyrAMLqHkAqOOOu5pGfyMOj8qQUBxI/gDtWtG11p49UxSfWmBzRNlwZqfUg==",
         "dependencies": {
           "SQLitePCLRaw.core": "2.1.4"
         }
@@ -155,29 +155,6 @@
         "resolved": "8.0.0",
         "contentHash": "dk9JPxTCIevS75HyEQ0E4OVAFhB2N+V9ShCXf8Q6FkUQZDkgLI12y679Nym1YqsiSysuQskT7Z+6nUf3yab6Vw=="
       },
-      "Polly": {
-        "type": "Transitive",
-        "resolved": "7.2.3",
-        "contentHash": "DeCY0OFbNdNxsjntr1gTXHJ5pKUwYzp04Er2LLeN3g6pWhffsGuKVfMBLe1lw7x76HrPkLxKEFxBlpRxS2nDEQ=="
-      },
-      "Polly.Contrib.WaitAndRetry": {
-        "type": "Transitive",
-        "resolved": "1.1.1",
-        "contentHash": "1MUQLiSo4KDkQe6nzQRhIU05lm9jlexX5BVsbuw0SL82ynZ+GzAHQxJVDPVBboxV37Po3SG077aX8DuSy8TkaA=="
-      },
-      "Polly.Extensions.Http": {
-        "type": "Transitive",
-        "resolved": "3.0.0",
-        "contentHash": "drrG+hB3pYFY7w1c3BD+lSGYvH2oIclH8GRSehgfyP5kjnFnHKQuuBhuHLv+PWyFuaTDyk/vfRpnxOzd11+J8g==",
-        "dependencies": {
-          "Polly": "7.1.0"
-        }
-      },
-      "Speckle.DoubleNumerics": {
-        "type": "Transitive",
-        "resolved": "4.0.1",
-        "contentHash": "MzEQ1Im0zTja+tEsdRIk/WlPiKqb22NmTOJcR1ZKm/mz46pezyyID3/wRz6vJUELMpSLnG7LhsxBL+nxbr7V0w=="
-      },
       "Speckle.Newtonsoft.Json": {
         "type": "Transitive",
         "resolved": "13.0.2",
@@ -238,8 +215,9 @@
         "dependencies": {
           "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
           "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.1.0-dev.146, )",
-          "Speckle.Sdk": "[3.1.0-dev.146, )"
+          "Speckle.Objects": "[3.1.7, )",
+          "Speckle.Sdk": "[3.1.7, )",
+          "Speckle.Sdk.Dependencies": "[3.1.7, )"
         }
       },
       "speckle.connectors.dui": {
@@ -247,8 +225,8 @@
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
           "Speckle.Connectors.Common": "[1.0.0, )",
-          "Speckle.Sdk": "[3.1.0-dev.146, )",
-          "System.Threading.Tasks.Dataflow": "[6.0.0, )"
+          "Speckle.Sdk": "[3.1.7, )",
+          "Speckle.Sdk.Dependencies": "[3.1.7, )"
         }
       },
       "speckle.connectors.dui.webview": {
@@ -273,7 +251,7 @@
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.1.0-dev.146, )"
+          "Speckle.Objects": "[3.1.7, )"
         }
       },
       "Microsoft.Extensions.DependencyInjection": {
@@ -309,38 +287,42 @@
         "resolved": "1.0.1938.49",
         "contentHash": "z8KnFnaTYzhA/ZnyRX0qGfS1NU5ZBJeClAH64F0fVDvdDJTvME7xl6zTJ0Jlfe1BtL3C0NH9xTy64shg2baKdw=="
       },
+      "Speckle.DoubleNumerics": {
+        "type": "CentralTransitive",
+        "requested": "[4.1.0, )",
+        "resolved": "4.1.0",
+        "contentHash": "20DtS+FsDRsOD9+AU3TwNFZ0qrKo5f6f7B5ZR9wStsIHHHC9k7DpjbCvuNtmnSjx54MD+TJC7wV2f5iyGVPj1A=="
+      },
       "Speckle.Objects": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.146, )",
-        "resolved": "3.1.0-dev.146",
-        "contentHash": "xuv5LaU6j8ODGHyClHbbK78bOJid8LGuwfVcEega1q3sYwmLWOWIDP9lO0QA1tyctE+2CZDH3sOUChleAFC4fg==",
+        "requested": "[3.1.7, )",
+        "resolved": "3.1.7",
+        "contentHash": "Htg6IeMLTTf8fTaOKEKMPZzrseu4NAtVpiZwVtLhg7ZzdndW8WlsvEyFRShK1o3hxlPsQJOA5qfsTvf5fcz/pQ==",
         "dependencies": {
-          "Speckle.Sdk": "3.1.0-dev.146"
+          "Speckle.Sdk": "3.1.7"
         }
       },
       "Speckle.Sdk": {
         "type": "CentralTransitive",
-        "requested": "[3.1.0-dev.146, )",
-        "resolved": "3.1.0-dev.146",
-        "contentHash": "vNaWJkt7/xcIH/CraOrEumGn8A6gAlyl1RHfRI8B8qAGylSlEhuvuBSatS1gUPI35p9omO63yYQFKaIKEIsa3Q==",
+        "requested": "[3.1.7, )",
+        "resolved": "3.1.7",
+        "contentHash": "oi6fz5fSsWZ+VQiZukpom/fKHRH++Vlyf8a6rlkYQPj6NAqTIV3Rgthalt7Y7wWxGNRIP4KMdGTXvrN7wqCcjA==",
         "dependencies": {
           "GraphQL.Client": "6.0.0",
           "Microsoft.CSharp": "4.7.0",
-          "Microsoft.Data.Sqlite": "7.0.7",
+          "Microsoft.Data.Sqlite": "7.0.5",
           "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
           "Microsoft.Extensions.Logging": "2.2.0",
-          "Polly": "7.2.3",
-          "Polly.Contrib.WaitAndRetry": "1.1.1",
-          "Polly.Extensions.Http": "3.0.0",
-          "Speckle.DoubleNumerics": "4.0.1",
-          "Speckle.Newtonsoft.Json": "13.0.2"
+          "Speckle.DoubleNumerics": "4.1.0",
+          "Speckle.Newtonsoft.Json": "13.0.2",
+          "Speckle.Sdk.Dependencies": "3.1.7"
         }
       },
-      "System.Threading.Tasks.Dataflow": {
+      "Speckle.Sdk.Dependencies": {
         "type": "CentralTransitive",
-        "requested": "[6.0.0, )",
-        "resolved": "6.0.0",
-        "contentHash": "+tyDCU3/B1lDdOOAJywHQoFwyXIUghIaP2BxG79uvhfTnO+D9qIgjVlL/JV2NTliYbMHpd6eKDmHp2VHpij7MA=="
+        "requested": "[3.1.7, )",
+        "resolved": "3.1.7",
+        "contentHash": "T7FgbPXh9zI+VkC7f9I5qchtktEhslIOo2xeCm4VKRhImrR7naTmZInQ5MXIZvRfawZlPEg6u0tWzCV1q7ov9g=="
       }
     },
     "net8.0-windows7.0/win-x64": {

Connectors/Autocad/Speckle.Connectors.AutocadShared/Bindings/AutocadBasicConnectorBinding.cs

@@ -1,6 +1,7 @@
 using Autodesk.AutoCAD.DatabaseServices;
 using Microsoft.Extensions.Logging;
 using Speckle.Connectors.Autocad.HostApp.Extensions;
+using Speckle.Connectors.Common.Threading;
 using Speckle.Connectors.DUI.Bindings;
 using Speckle.Connectors.DUI.Bridge;
 using Speckle.Connectors.DUI.Models;
@@ -19,6 +20,8 @@ public class AutocadBasicConnectorBinding : IBasicConnectorBinding
 
   private readonly DocumentModelStore _store;
   private readonly ISpeckleApplication _speckleApplication;
+  private readonly IThreadContext _threadContext;
+  private readonly ITopLevelExceptionHandler _topLevelExceptionHandler;
   private readonly ILogger<AutocadBasicConnectorBinding> _logger;
 
   public BasicConnectorBindingCommands Commands { get; }
@@ -28,7 +31,9 @@ public class AutocadBasicConnectorBinding : IBasicConnectorBinding
     IBrowserBridge parent,
     IAccountManager accountManager,
     ISpeckleApplication speckleApplication,
-    ILogger<AutocadBasicConnectorBinding> logger
+    ILogger<AutocadBasicConnectorBinding> logger,
+    IThreadContext threadContext,
+    ITopLevelExceptionHandler topLevelExceptionHandler
   )
   {
     _store = store;
@@ -36,12 +41,14 @@ public class AutocadBasicConnectorBinding : IBasicConnectorBinding
     _accountManager = accountManager;
     _speckleApplication = speckleApplication;
     Commands = new BasicConnectorBindingCommands(parent);
-    _store.DocumentChanged += (_, _) =>
-    {
-      Commands.NotifyDocumentChanged();
-    };
-
     _logger = logger;
+    _threadContext = threadContext;
+    _topLevelExceptionHandler = topLevelExceptionHandler;
+    _store.DocumentChanged += (_, _) =>
+      _topLevelExceptionHandler.FireAndForget(async () =>
+      {
+        await Commands.NotifyDocumentChanged();
+      });
   }
 
   public string GetConnectorVersion() => _speckleApplication.SpeckleVersion;
@@ -66,23 +73,25 @@ public class AutocadBasicConnectorBinding : IBasicConnectorBinding
 
   public DocumentModelStore GetDocumentState() => _store;
 
-  public void AddModel(ModelCard model) => _store.Models.Add(model);
+  public void AddModel(ModelCard model) => _store.AddModel(model);
 
   public void UpdateModel(ModelCard model) => _store.UpdateModel(model);
 
   public void RemoveModel(ModelCard model) => _store.RemoveModel(model);
 
-  public void HighlightObjects(List<string> objectIds)
+  public void RemoveModels(List<ModelCard> models) => _store.RemoveModels(models);
+
+  public async Task HighlightObjects(IReadOnlyList<string> objectIds)
   {
     // POC: Will be addressed to move it into AutocadContext!
     var doc = Application.DocumentManager.MdiActiveDocument;
 
     var dbObjects = doc.GetObjects(objectIds);
     var acadObjectIds = dbObjects.Select(tuple => tuple.Root.Id).ToArray();
-    HighlightObjectsOnView(acadObjectIds);
+    await HighlightObjectsOnView(acadObjectIds);
   }
 
-  public void HighlightModel(string modelCardId)
+  public async Task HighlightModel(string modelCardId)
   {
     // POC: Will be addressed to move it into AutocadContext!
     var doc = Application.DocumentManager.MdiActiveDocument;
@@ -104,7 +113,7 @@ public class AutocadBasicConnectorBinding : IBasicConnectorBinding
 
     if (model is SenderModelCard senderModelCard)
     {
-      var dbObjects = doc.GetObjects(senderModelCard.SendFilter.NotNull().GetObjectIds());
+      var dbObjects = doc.GetObjects(senderModelCard.SendFilter.NotNull().RefreshObjectIds());
       objectIds = dbObjects.Select(tuple => tuple.Root.Id).ToArray();
     }
 
@@ -116,22 +125,22 @@ public class AutocadBasicConnectorBinding : IBasicConnectorBinding
 
     if (objectIds.Length == 0)
     {
-      Commands.SetModelError(modelCardId, new OperationCanceledException("No objects found to highlight."));
+      await Commands.SetModelError(modelCardId, new OperationCanceledException("No objects found to highlight."));
       return;
     }
 
-    HighlightObjectsOnView(objectIds, modelCardId);
+    await HighlightObjectsOnView(objectIds, modelCardId);
   }
 
-  private void HighlightObjectsOnView(ObjectId[] objectIds, string? modelCardId = null)
+  private async Task HighlightObjectsOnView(ObjectId[] objectIds, string? modelCardId = null)
   {
     var doc = Application.DocumentManager.MdiActiveDocument;
 
-    Parent.RunOnMainThread(() =>
+    await _threadContext.RunOnMainAsync(async () =>
     {
       try
       {
-        doc.Editor.SetImpliedSelection(Array.Empty<ObjectId>()); // Deselects
+        doc.Editor.SetImpliedSelection([]); // Deselects
         try
         {
           doc.Editor.SetImpliedSelection(objectIds);
@@ -162,6 +171,7 @@ public class AutocadBasicConnectorBinding : IBasicConnectorBinding
           {
             // Note: we're swallowing exeptions here because of a weird case when receiving blocks, we would have
             // acad api throw an error on accessing entity.GeometricExtents.
+            // may also throw Autodesk.AutoCAD.Runtime.Exception for invalid extents on objects like rays and xlines
           }
         }
 
@@ -173,7 +183,7 @@ public class AutocadBasicConnectorBinding : IBasicConnectorBinding
       {
         if (modelCardId != null)
         {
-          Commands.SetModelError(modelCardId, new OperationCanceledException("Failed to highlight objects."));
+          await Commands.SetModelError(modelCardId, new OperationCanceledException("Failed to highlight objects."));
         }
         else
         {

Connectors/Autocad/Speckle.Connectors.AutocadShared/Bindings/AutocadReceiveBaseBinding.cs

@@ -0,0 +1,119 @@
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using Speckle.Connectors.Common.Cancellation;
+using Speckle.Connectors.Common.Operations;
+using Speckle.Connectors.Common.Threading;
+using Speckle.Connectors.DUI.Bindings;
+using Speckle.Connectors.DUI.Bridge;
+using Speckle.Connectors.DUI.Logging;
+using Speckle.Connectors.DUI.Models;
+using Speckle.Connectors.DUI.Models.Card;
+using Speckle.Sdk;
+
+namespace Speckle.Connectors.Autocad.Bindings;
+
+public abstract class AutocadReceiveBaseBinding : IReceiveBinding
+{
+  public string Name => "receiveBinding";
+  public IBrowserBridge Parent { get; }
+
+  private readonly DocumentModelStore _store;
+  private readonly ICancellationManager _cancellationManager;
+  private readonly IServiceProvider _serviceProvider;
+  private readonly IOperationProgressManager _operationProgressManager;
+  private readonly ILogger<AutocadReceiveBinding> _logger;
+  private readonly ISpeckleApplication _speckleApplication;
+  private readonly IThreadContext _threadContext;
+
+  private ReceiveBindingUICommands Commands { get; }
+
+  protected AutocadReceiveBaseBinding(
+    DocumentModelStore store,
+    IBrowserBridge parent,
+    ICancellationManager cancellationManager,
+    IServiceProvider serviceProvider,
+    IOperationProgressManager operationProgressManager,
+    ILogger<AutocadReceiveBinding> logger,
+    ISpeckleApplication speckleApplication,
+    IThreadContext threadContext
+  )
+  {
+    _store = store;
+    _cancellationManager = cancellationManager;
+    _serviceProvider = serviceProvider;
+    _operationProgressManager = operationProgressManager;
+    _logger = logger;
+    _speckleApplication = speckleApplication;
+    _threadContext = threadContext;
+    Parent = parent;
+    Commands = new ReceiveBindingUICommands(parent);
+  }
+
+  protected abstract void InitializeSettings(IServiceProvider serviceProvider);
+
+  public void CancelReceive(string modelCardId) => _cancellationManager.CancelOperation(modelCardId);
+
+  public async Task Receive(string modelCardId) =>
+    await _threadContext.RunOnMainAsync(async () => await ReceiveInternal(modelCardId));
+
+  private async Task ReceiveInternal(string modelCardId)
+  {
+    using var scope = _serviceProvider.CreateScope();
+    InitializeSettings(scope.ServiceProvider);
+
+    try
+    {
+      // Get receiver card
+      if (_store.GetModelById(modelCardId) is not ReceiverModelCard modelCard)
+      {
+        // Handle as GLOBAL ERROR at BrowserBridge
+        throw new InvalidOperationException("No download model card was found.");
+      }
+
+      using var cancellationItem = _cancellationManager.GetCancellationItem(modelCardId);
+
+      // Disable document activation (document creation and document switch)
+      // Not disabling results in DUI model card being out of sync with the active document
+      // The DocumentActivated event isn't usable probably because it is pushed to back of main thread queue
+      Application.DocumentManager.DocumentActivationEnabled = false;
+
+      // Receive host objects
+      var operationResults = await scope
+        .ServiceProvider.GetRequiredService<ReceiveOperation>()
+        .Execute(
+          modelCard.GetReceiveInfo(_speckleApplication.Slug),
+          _operationProgressManager.CreateOperationProgressEventHandler(Parent, modelCardId, cancellationItem.Token),
+          cancellationItem.Token
+        );
+
+      await Commands.SetModelReceiveResult(
+        modelCardId,
+        operationResults.BakedObjectIds,
+        operationResults.ConversionResults
+      );
+    }
+    catch (OperationCanceledException)
+    {
+      // SWALLOW -> UI handles it immediately, so we do not need to handle anything for now!
+      // Idea for later -> when cancel called, create promise from UI to solve it later with this catch block.
+      // So have 3 state on UI -> Cancellation clicked -> Cancelling -> Cancelled
+      return;
+    }
+    catch (Exception ex) when (!ex.IsFatal()) // UX reasons - we will report operation exceptions as model card error. We may change this later when we have more exception documentation
+    {
+      _logger.LogModelCardHandledError(ex);
+      await Commands.SetModelError(modelCardId, ex);
+    }
+    finally
+    {
+      // reenable document activation
+      Application.DocumentManager.DocumentActivationEnabled = true;
+
+      // regenerate doc to flush graphics, sometimes some objects (ellipses, nurbs curves) do not appear fully visible after receive.
+      // Adding a regen (must be run on main thread) here, but it doesn't seem to work:
+      // it's run on main thread, tried sending the "regen" string to execute, also tried regen after every object bake, but still can't fix.
+      // the objects should appear visible if you manually call the "regen" command after the operation finishes, or click on a view on the view cube which also calls regen.
+      Application.DocumentManager.CurrentDocument.Editor.Regen();
+    }
+  }
+}

Connectors/Autocad/Speckle.Connectors.AutocadShared/Bindings/AutocadReceiveBinding.cs

@@ -1,113 +1,49 @@
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using Speckle.Connectors.Common.Cancellation;
-using Speckle.Connectors.Common.Operations;
+using Speckle.Connectors.Common.Threading;
 using Speckle.Connectors.DUI.Bindings;
 using Speckle.Connectors.DUI.Bridge;
-using Speckle.Connectors.DUI.Logging;
 using Speckle.Connectors.DUI.Models;
-using Speckle.Connectors.DUI.Models.Card;
 using Speckle.Converters.Autocad;
 using Speckle.Converters.Common;
 using Speckle.Sdk;
 
 namespace Speckle.Connectors.Autocad.Bindings;
 
-public sealed class AutocadReceiveBinding : IReceiveBinding
+public sealed class AutocadReceiveBinding : AutocadReceiveBaseBinding
 {
-  public string Name => "receiveBinding";
-  public IBrowserBridge Parent { get; }
-
-  private readonly DocumentModelStore _store;
-  private readonly CancellationManager _cancellationManager;
-  private readonly IServiceProvider _serviceProvider;
-  private readonly IOperationProgressManager _operationProgressManager;
-  private readonly ILogger<AutocadReceiveBinding> _logger;
   private readonly IAutocadConversionSettingsFactory _autocadConversionSettingsFactory;
-  private readonly ISpeckleApplication _speckleApplication;
-
-  private ReceiveBindingUICommands Commands { get; }
 
   public AutocadReceiveBinding(
     DocumentModelStore store,
     IBrowserBridge parent,
-    CancellationManager cancellationManager,
+    ICancellationManager cancellationManager,
     IServiceProvider serviceProvider,
     IOperationProgressManager operationProgressManager,
     ILogger<AutocadReceiveBinding> logger,
     IAutocadConversionSettingsFactory autocadConversionSettingsFactory,
-    ISpeckleApplication speckleApplication
+    ISpeckleApplication speckleApplication,
+    IThreadContext threadContext
   )
+    : base(
+      store,
+      parent,
+      cancellationManager,
+      serviceProvider,
+      operationProgressManager,
+      logger,
+      speckleApplication,
+      threadContext
+    )
   {
-    _store = store;
-    _cancellationManager = cancellationManager;
-    _serviceProvider = serviceProvider;
-    _operationProgressManager = operationProgressManager;
-    _logger = logger;
     _autocadConversionSettingsFactory = autocadConversionSettingsFactory;
-    _speckleApplication = speckleApplication;
-    Parent = parent;
-    Commands = new ReceiveBindingUICommands(parent);
   }
 
-  public void CancelReceive(string modelCardId) => _cancellationManager.CancelOperation(modelCardId);
-
-  public async Task Receive(string modelCardId)
+  protected override void InitializeSettings(IServiceProvider serviceProvider)
   {
-    using var scope = _serviceProvider.CreateScope();
-    scope
-      .ServiceProvider.GetRequiredService<IConverterSettingsStore<AutocadConversionSettings>>()
+    serviceProvider
+      .GetRequiredService<IConverterSettingsStore<AutocadConversionSettings>>()
       .Initialize(_autocadConversionSettingsFactory.Create(Application.DocumentManager.CurrentDocument));
-    try
-    {
-      // Get receiver card
-      if (_store.GetModelById(modelCardId) is not ReceiverModelCard modelCard)
-      {
-        // Handle as GLOBAL ERROR at BrowserBridge
-        throw new InvalidOperationException("No download model card was found.");
-      }
-
-      CancellationToken cancellationToken = _cancellationManager.InitCancellationTokenSource(modelCardId);
-
-      // Disable document activation (document creation and document switch)
-      // Not disabling results in DUI model card being out of sync with the active document
-      // The DocumentActivated event isn't usable probably because it is pushed to back of main thread queue
-      Application.DocumentManager.DocumentActivationEnabled = false;
-
-      // Receive host objects
-      var operationResults = await scope
-        .ServiceProvider.GetRequiredService<ReceiveOperation>()
-        .Execute(
-          modelCard.GetReceiveInfo(_speckleApplication.Slug),
-          cancellationToken,
-          (status, progress) =>
-            _operationProgressManager.SetModelProgress(
-              Parent,
-              modelCardId,
-              new ModelCardProgress(modelCardId, status, progress),
-              cancellationToken
-            )
-        )
-        .ConfigureAwait(false);
-
-      Commands.SetModelReceiveResult(modelCardId, operationResults.BakedObjectIds, operationResults.ConversionResults);
-    }
-    catch (OperationCanceledException)
-    {
-      // SWALLOW -> UI handles it immediately, so we do not need to handle anything for now!
-      // Idea for later -> when cancel called, create promise from UI to solve it later with this catch block.
-      // So have 3 state on UI -> Cancellation clicked -> Cancelling -> Cancelled
-      return;
-    }
-    catch (Exception ex) when (!ex.IsFatal()) // UX reasons - we will report operation exceptions as model card error. We may change this later when we have more exception documentation
-    {
-      _logger.LogModelCardHandledError(ex);
-      Commands.SetModelError(modelCardId, ex);
-    }
-    finally
-    {
-      // reenable document activation
-      Application.DocumentManager.DocumentActivationEnabled = true;
-    }
   }
 }

Connectors/Autocad/Speckle.Connectors.AutocadShared/Bindings/AutocadSelectionBinding.cs

@@ -1,6 +1,7 @@
 using Autodesk.AutoCAD.DatabaseServices;
 using Autodesk.AutoCAD.EditorInput;
 using Speckle.Connectors.Autocad.HostApp.Extensions;
+using Speckle.Connectors.Common.Threading;
 using Speckle.Connectors.DUI.Bindings;
 using Speckle.Connectors.DUI.Bridge;
 
@@ -8,17 +9,23 @@ namespace Speckle.Connectors.Autocad.Bindings;
 
 public class AutocadSelectionBinding : ISelectionBinding
 {
-  private const string SELECTION_EVENT = "setSelection";
   private readonly ITopLevelExceptionHandler _topLevelExceptionHandler;
+  private readonly IThreadContext _threadContext;
+  private const string SELECTION_EVENT = "setSelection";
   private readonly HashSet<Document> _visitedDocuments = new();
 
   public string Name => "selectionBinding";
 
   public IBrowserBridge Parent { get; }
 
-  public AutocadSelectionBinding(IBrowserBridge parent)
+  public AutocadSelectionBinding(
+    IBrowserBridge parent,
+    ITopLevelExceptionHandler topLevelExceptionHandler,
+    IThreadContext threadContext
+  )
   {
-    _topLevelExceptionHandler = parent.TopLevelExceptionHandler;
+    _topLevelExceptionHandler = topLevelExceptionHandler;
+    _threadContext = threadContext;
     Parent = parent;
 
     // POC: Use here Context for doc. In converters it's OK but we are still lacking to use context into bindings.
@@ -41,7 +48,7 @@ public class AutocadSelectionBinding : ISelectionBinding
     if (!_visitedDocuments.Contains(document))
     {
       document.ImpliedSelectionChanged += (_, _) =>
-        _topLevelExceptionHandler.CatchUnhandled(() => Parent.RunOnMainThread(OnSelectionChanged));
+        _topLevelExceptionHandler.FireAndForget(async () => await _threadContext.RunOnMainAsync(OnSelectionChanged));
 
       _visitedDocuments.Add(document);
     }
@@ -52,10 +59,10 @@ public class AutocadSelectionBinding : ISelectionBinding
   // Ui requests to GetSelection() should just return this local copy that is kept up to date by the event handler.
   private SelectionInfo _selectionInfo;
 
-  private void OnSelectionChanged()
+  private async Task OnSelectionChanged()
   {
     _selectionInfo = GetSelectionInternal();
-    Parent.Send(SELECTION_EVENT, _selectionInfo);
+    await Parent.Send(SELECTION_EVENT, _selectionInfo);
   }
 
   public SelectionInfo GetSelection() => _selectionInfo;

Connectors/Autocad/Speckle.Connectors.AutocadShared/Bindings/AutocadSendBaseBinding.cs

@@ -0,0 +1,213 @@
+using System.Collections.Concurrent;
+using System.Diagnostics.CodeAnalysis;
+using Autodesk.AutoCAD.DatabaseServices;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using Speckle.Connectors.Autocad.HostApp.Extensions;
+using Speckle.Connectors.Autocad.Operations.Send;
+using Speckle.Connectors.Common.Caching;
+using Speckle.Connectors.Common.Cancellation;
+using Speckle.Connectors.Common.Operations;
+using Speckle.Connectors.Common.Threading;
+using Speckle.Connectors.DUI.Bindings;
+using Speckle.Connectors.DUI.Bridge;
+using Speckle.Connectors.DUI.Exceptions;
+using Speckle.Connectors.DUI.Logging;
+using Speckle.Connectors.DUI.Models;
+using Speckle.Connectors.DUI.Models.Card;
+using Speckle.Connectors.DUI.Models.Card.SendFilter;
+using Speckle.Connectors.DUI.Settings;
+using Speckle.Sdk;
+using Speckle.Sdk.Common;
+
+namespace Speckle.Connectors.Autocad.Bindings;
+
+[SuppressMessage("ReSharper", "AsyncVoidMethod")]
+public abstract class AutocadSendBaseBinding : ISendBinding
+{
+  public string Name => "sendBinding";
+  public SendBindingUICommands Commands { get; }
+  private OperationProgressManager OperationProgressManager { get; }
+  public IBrowserBridge Parent { get; }
+
+  private readonly DocumentModelStore _store;
+  private readonly List<ISendFilter> _sendFilters;
+  private readonly ICancellationManager _cancellationManager;
+  private readonly IServiceProvider _serviceProvider;
+  private readonly ISendConversionCache _sendConversionCache;
+  private readonly IOperationProgressManager _operationProgressManager;
+  private readonly ILogger<AutocadSendBinding> _logger;
+  private readonly ISpeckleApplication _speckleApplication;
+  private readonly IThreadContext _threadContext;
+  private readonly ITopLevelExceptionHandler _topLevelExceptionHandler;
+  private readonly IAppIdleManager _idleManager;
+
+  /// <summary>
+  /// Used internally to aggregate the changed objects' id. Note we're using a concurrent dictionary here as the expiry check method is not thread safe, and this was causing problems. See:
+  /// [CNX-202: Unhandled Exception Occurred when receiving in Rhino](https://linear.app/speckle/issue/CNX-202/unhandled-exception-occurred-when-receiving-in-rhino)
+  /// As to why a concurrent dictionary, it's because it's the cheapest/easiest way to do so.
+  /// https://stackoverflow.com/questions/18922985/concurrent-hashsett-in-net-framework
+  /// </summary>
+  private ConcurrentBag<string> ChangedObjectIds { get; set; } = new();
+
+  protected AutocadSendBaseBinding(
+    DocumentModelStore store,
+    IBrowserBridge parent,
+    IEnumerable<ISendFilter> sendFilters,
+    ICancellationManager cancellationManager,
+    IServiceProvider serviceProvider,
+    ISendConversionCache sendConversionCache,
+    IOperationProgressManager operationProgressManager,
+    ILogger<AutocadSendBinding> logger,
+    ISpeckleApplication speckleApplication,
+    IThreadContext threadContext,
+    ITopLevelExceptionHandler topLevelExceptionHandler,
+    IAppIdleManager idleManager
+  )
+  {
+    _store = store;
+    _serviceProvider = serviceProvider;
+    _cancellationManager = cancellationManager;
+    _sendFilters = sendFilters.ToList();
+    _sendConversionCache = sendConversionCache;
+    _operationProgressManager = operationProgressManager;
+    _logger = logger;
+    _speckleApplication = speckleApplication;
+    _threadContext = threadContext;
+    _topLevelExceptionHandler = topLevelExceptionHandler;
+    _idleManager = idleManager;
+    Parent = parent;
+    Commands = new SendBindingUICommands(parent);
+
+    Application.DocumentManager.DocumentActivated += (_, args) =>
+      _topLevelExceptionHandler.CatchUnhandled(() => SubscribeToObjectChanges(args.Document));
+
+    if (Application.DocumentManager.CurrentDocument != null)
+    {
+      // catches the case when autocad just opens up with a blank new doc
+      SubscribeToObjectChanges(Application.DocumentManager.CurrentDocument);
+    }
+    // Since ids of the objects generates from same seed, we should clear the cache always whenever doc swapped.
+    _store.DocumentChanged += (_, _) =>
+    {
+      _sendConversionCache.ClearCache();
+    };
+  }
+
+  private readonly List<string> _docSubsTracker = new();
+
+  private void SubscribeToObjectChanges(Document doc)
+  {
+    if (doc == null || doc.Database == null || _docSubsTracker.Contains(doc.Name))
+    {
+      return;
+    }
+
+    _docSubsTracker.Add(doc.Name);
+    doc.Database.ObjectAppended += (_, e) => OnObjectChanged(e.DBObject);
+    doc.Database.ObjectErased += (_, e) => OnObjectChanged(e.DBObject);
+    doc.Database.ObjectModified += (_, e) => OnObjectChanged(e.DBObject);
+  }
+
+  private void OnObjectChanged(DBObject dbObject) =>
+    _topLevelExceptionHandler.CatchUnhandled(() => OnChangeChangedObjectIds(dbObject));
+
+  private void OnChangeChangedObjectIds(DBObject dBObject)
+  {
+    ChangedObjectIds.Add(dBObject.GetSpeckleApplicationId());
+    _idleManager.SubscribeToIdle(nameof(RunExpirationChecks), async () => await RunExpirationChecks());
+  }
+
+  private async Task RunExpirationChecks()
+  {
+    var senders = _store.GetSenders();
+    List<string> expiredSenderIds = new();
+
+    _sendConversionCache.EvictObjects(ChangedObjectIds);
+
+    foreach (SenderModelCard modelCard in senders)
+    {
+      var intersection = modelCard.SendFilter.NotNull().RefreshObjectIds().Intersect(ChangedObjectIds).ToList();
+      bool isExpired = intersection.Count != 0;
+      if (isExpired)
+      {
+        expiredSenderIds.Add(modelCard.ModelCardId.NotNull());
+      }
+    }
+
+    await Commands.SetModelsExpired(expiredSenderIds);
+    ChangedObjectIds = new();
+  }
+
+  public List<ISendFilter> GetSendFilters() => _sendFilters;
+
+  public List<ICardSetting> GetSendSettings() => [];
+
+  public async Task Send(string modelCardId) =>
+    await _threadContext.RunOnMainAsync(async () => await SendInternal(modelCardId));
+
+  protected abstract void InitializeSettings(IServiceProvider serviceProvider);
+
+  private async Task SendInternal(string modelCardId)
+  {
+    try
+    {
+      if (_store.GetModelById(modelCardId) is not SenderModelCard modelCard)
+      {
+        // Handle as GLOBAL ERROR at BrowserBridge
+        throw new InvalidOperationException("No publish model card was found.");
+      }
+
+      using var scope = _serviceProvider.CreateScope();
+      InitializeSettings(scope.ServiceProvider);
+
+      using var cancellationItem = _cancellationManager.GetCancellationItem(modelCardId);
+
+      // Disable document activation (document creation and document switch)
+      // Not disabling results in DUI model card being out of sync with the active document
+      // The DocumentActivated event isn't usable probably because it is pushed to back of main thread queue
+      Application.DocumentManager.DocumentActivationEnabled = false;
+
+      // Get elements to convert
+      List<AutocadRootObject> autocadObjects = Application.DocumentManager.CurrentDocument.GetObjects(
+        modelCard.SendFilter.NotNull().RefreshObjectIds()
+      );
+
+      if (autocadObjects.Count == 0)
+      {
+        // Handle as CARD ERROR in this function
+        throw new SpeckleSendFilterException("No objects were found to convert. Please update your publish filter!");
+      }
+
+      var sendResult = await scope
+        .ServiceProvider.GetRequiredService<SendOperation<AutocadRootObject>>()
+        .Execute(
+          autocadObjects,
+          modelCard.GetSendInfo(_speckleApplication.ApplicationAndVersion),
+          _operationProgressManager.CreateOperationProgressEventHandler(Parent, modelCardId, cancellationItem.Token),
+          cancellationItem.Token
+        );
+
+      await Commands.SetModelSendResult(modelCardId, sendResult.RootObjId, sendResult.ConversionResults);
+    }
+    catch (OperationCanceledException)
+    {
+      // SWALLOW -> UI handles it immediately, so we do not need to handle anything for now!
+      // Idea for later -> when cancel called, create promise from UI to solve it later with this catch block.
+      // So have 3 state on UI -> Cancellation clicked -> Cancelling -> Cancelled
+      return;
+    }
+    catch (Exception ex) when (!ex.IsFatal()) // UX reasons - we will report operation exceptions as model card error. We may change this later when we have more exception documentation
+    {
+      _logger.LogModelCardHandledError(ex);
+      await Commands.SetModelError(modelCardId, ex);
+    }
+    finally
+    {
+      // renable document activation
+      Application.DocumentManager.DocumentActivationEnabled = true;
+    }
+  }
+
+  public void CancelSend(string modelCardId) => _cancellationManager.CancelOperation(modelCardId);
+}

Connectors/Autocad/Speckle.Connectors.AutocadShared/Bindings/AutocadSendBinding.cs

@@ -1,225 +1,59 @@
-using System.Collections.Concurrent;
-using Autodesk.AutoCAD.DatabaseServices;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
-using Speckle.Connectors.Autocad.HostApp;
-using Speckle.Connectors.Autocad.HostApp.Extensions;
-using Speckle.Connectors.Autocad.Operations.Send;
 using Speckle.Connectors.Common.Caching;
 using Speckle.Connectors.Common.Cancellation;
-using Speckle.Connectors.Common.Operations;
+using Speckle.Connectors.Common.Threading;
 using Speckle.Connectors.DUI.Bindings;
 using Speckle.Connectors.DUI.Bridge;
-using Speckle.Connectors.DUI.Exceptions;
-using Speckle.Connectors.DUI.Logging;
 using Speckle.Connectors.DUI.Models;
-using Speckle.Connectors.DUI.Models.Card;
 using Speckle.Connectors.DUI.Models.Card.SendFilter;
-using Speckle.Connectors.DUI.Settings;
 using Speckle.Converters.Autocad;
 using Speckle.Converters.Common;
 using Speckle.Sdk;
-using Speckle.Sdk.Common;
 
 namespace Speckle.Connectors.Autocad.Bindings;
 
-public sealed class AutocadSendBinding : ISendBinding
+public sealed class AutocadSendBinding : AutocadSendBaseBinding
 {
-  public string Name => "sendBinding";
-  public SendBindingUICommands Commands { get; }
-  private OperationProgressManager OperationProgressManager { get; }
-  public IBrowserBridge Parent { get; }
-
-  private readonly DocumentModelStore _store;
-  private readonly IAutocadIdleManager _idleManager;
-  private readonly List<ISendFilter> _sendFilters;
-  private readonly CancellationManager _cancellationManager;
-  private readonly IServiceProvider _serviceProvider;
-  private readonly ISendConversionCache _sendConversionCache;
-  private readonly IOperationProgressManager _operationProgressManager;
-  private readonly ILogger<AutocadSendBinding> _logger;
-  private readonly ITopLevelExceptionHandler _topLevelExceptionHandler;
   private readonly IAutocadConversionSettingsFactory _autocadConversionSettingsFactory;
-  private readonly ISpeckleApplication _speckleApplication;
-
-  /// <summary>
-  /// Used internally to aggregate the changed objects' id. Note we're using a concurrent dictionary here as the expiry check method is not thread safe, and this was causing problems. See:
-  /// [CNX-202: Unhandled Exception Occurred when receiving in Rhino](https://linear.app/speckle/issue/CNX-202/unhandled-exception-occurred-when-receiving-in-rhino)
-  /// As to why a concurrent dictionary, it's because it's the cheapest/easiest way to do so.
-  /// https://stackoverflow.com/questions/18922985/concurrent-hashsett-in-net-framework
-  /// </summary>
-  private ConcurrentDictionary<string, byte> ChangedObjectIds { get; set; } = new();
 
   public AutocadSendBinding(
     DocumentModelStore store,
-    IAutocadIdleManager idleManager,
     IBrowserBridge parent,
     IEnumerable<ISendFilter> sendFilters,
-    CancellationManager cancellationManager,
+    ICancellationManager cancellationManager,
     IServiceProvider serviceProvider,
     ISendConversionCache sendConversionCache,
     IOperationProgressManager operationProgressManager,
     ILogger<AutocadSendBinding> logger,
     IAutocadConversionSettingsFactory autocadConversionSettingsFactory,
-    ISpeckleApplication speckleApplication
+    ISpeckleApplication speckleApplication,
+    IThreadContext threadContext,
+    ITopLevelExceptionHandler topLevelExceptionHandler,
+    IAppIdleManager appIdleManager
   )
+    : base(
+      store,
+      parent,
+      sendFilters,
+      cancellationManager,
+      serviceProvider,
+      sendConversionCache,
+      operationProgressManager,
+      logger,
+      speckleApplication,
+      threadContext,
+      topLevelExceptionHandler,
+      appIdleManager
+    )
   {
-    _store = store;
-    _idleManager = idleManager;
-    _serviceProvider = serviceProvider;
-    _cancellationManager = cancellationManager;
-    _sendFilters = sendFilters.ToList();
-    _sendConversionCache = sendConversionCache;
-    _operationProgressManager = operationProgressManager;
-    _logger = logger;
     _autocadConversionSettingsFactory = autocadConversionSettingsFactory;
-    _speckleApplication = speckleApplication;
-    _topLevelExceptionHandler = parent.TopLevelExceptionHandler;
-    Parent = parent;
-    Commands = new SendBindingUICommands(parent);
-
-    Application.DocumentManager.DocumentActivated += (_, args) =>
-      _topLevelExceptionHandler.CatchUnhandled(() => SubscribeToObjectChanges(args.Document));
-
-    if (Application.DocumentManager.CurrentDocument != null)
-    {
-      // catches the case when autocad just opens up with a blank new doc
-      SubscribeToObjectChanges(Application.DocumentManager.CurrentDocument);
-    }
-    // Since ids of the objects generates from same seed, we should clear the cache always whenever doc swapped.
-    _store.DocumentChanged += (_, _) =>
-    {
-      _sendConversionCache.ClearCache();
-    };
   }
 
-  private readonly List<string> _docSubsTracker = new();
-
-  private void SubscribeToObjectChanges(Document doc)
+  protected override void InitializeSettings(IServiceProvider serviceProvider)
   {
-    if (doc == null || doc.Database == null || _docSubsTracker.Contains(doc.Name))
-    {
-      return;
-    }
-
-    _docSubsTracker.Add(doc.Name);
-    doc.Database.ObjectAppended += (_, e) => OnObjectChanged(e.DBObject);
-    doc.Database.ObjectErased += (_, e) => OnObjectChanged(e.DBObject);
-    doc.Database.ObjectModified += (_, e) => OnObjectChanged(e.DBObject);
+    serviceProvider
+      .GetRequiredService<IConverterSettingsStore<AutocadConversionSettings>>()
+      .Initialize(_autocadConversionSettingsFactory.Create(Application.DocumentManager.CurrentDocument));
   }
-
-  private void OnObjectChanged(DBObject dbObject)
-  {
-    _topLevelExceptionHandler.CatchUnhandled(() => OnChangeChangedObjectIds(dbObject));
-  }
-
-  private void OnChangeChangedObjectIds(DBObject dBObject)
-  {
-    ChangedObjectIds[dBObject.GetSpeckleApplicationId()] = 1;
-    _idleManager.SubscribeToIdle(nameof(AutocadSendBinding), RunExpirationChecks);
-  }
-
-  private void RunExpirationChecks()
-  {
-    var senders = _store.GetSenders();
-    string[] objectIdsList = ChangedObjectIds.Keys.ToArray();
-    List<string> expiredSenderIds = new();
-
-    _sendConversionCache.EvictObjects(objectIdsList);
-
-    foreach (SenderModelCard modelCard in senders)
-    {
-      var intersection = modelCard.SendFilter.NotNull().GetObjectIds().Intersect(objectIdsList).ToList();
-      bool isExpired = intersection.Count != 0;
-      if (isExpired)
-      {
-        expiredSenderIds.Add(modelCard.ModelCardId.NotNull());
-      }
-    }
-
-    Commands.SetModelsExpired(expiredSenderIds);
-    ChangedObjectIds = new();
-  }
-
-  public List<ISendFilter> GetSendFilters() => _sendFilters;
-
-  public List<ICardSetting> GetSendSettings() => [];
-
-  public Task Send(string modelCardId)
-  {
-    Parent.RunOnMainThread(async () => await SendInternal(modelCardId).ConfigureAwait(false));
-    return Task.CompletedTask;
-  }
-
-  private async Task SendInternal(string modelCardId)
-  {
-    try
-    {
-      if (_store.GetModelById(modelCardId) is not SenderModelCard modelCard)
-      {
-        // Handle as GLOBAL ERROR at BrowserBridge
-        throw new InvalidOperationException("No publish model card was found.");
-      }
-
-      using var scope = _serviceProvider.CreateScope();
-      scope
-        .ServiceProvider.GetRequiredService<IConverterSettingsStore<AutocadConversionSettings>>()
-        .Initialize(_autocadConversionSettingsFactory.Create(Application.DocumentManager.CurrentDocument));
-
-      CancellationToken cancellationToken = _cancellationManager.InitCancellationTokenSource(modelCardId);
-
-      // Disable document activation (document creation and document switch)
-      // Not disabling results in DUI model card being out of sync with the active document
-      // The DocumentActivated event isn't usable probably because it is pushed to back of main thread queue
-      Application.DocumentManager.DocumentActivationEnabled = false;
-
-      // Get elements to convert
-      List<AutocadRootObject> autocadObjects = Application.DocumentManager.CurrentDocument.GetObjects(
-        modelCard.SendFilter.NotNull().GetObjectIds()
-      );
-
-      if (autocadObjects.Count == 0)
-      {
-        // Handle as CARD ERROR in this function
-        throw new SpeckleSendFilterException("No objects were found to convert. Please update your publish filter!");
-      }
-
-      var sendResult = await scope
-        .ServiceProvider.GetRequiredService<SendOperation<AutocadRootObject>>()
-        .Execute(
-          autocadObjects,
-          modelCard.GetSendInfo(_speckleApplication.Slug),
-          (status, progress) =>
-            _operationProgressManager.SetModelProgress(
-              Parent,
-              modelCardId,
-              new ModelCardProgress(modelCardId, status, progress),
-              cancellationToken
-            ),
-          cancellationToken
-        )
-        .ConfigureAwait(false);
-
-      Commands.SetModelSendResult(modelCardId, sendResult.RootObjId, sendResult.ConversionResults);
-    }
-    catch (OperationCanceledException)
-    {
-      // SWALLOW -> UI handles it immediately, so we do not need to handle anything for now!
-      // Idea for later -> when cancel called, create promise from UI to solve it later with this catch block.
-      // So have 3 state on UI -> Cancellation clicked -> Cancelling -> Cancelled
-      return;
-    }
-    catch (Exception ex) when (!ex.IsFatal()) // UX reasons - we will report operation exceptions as model card error. We may change this later when we have more exception documentation
-    {
-      _logger.LogModelCardHandledError(ex);
-      Commands.SetModelError(modelCardId, ex);
-    }
-    finally
-    {
-      // renable document activation
-      Application.DocumentManager.DocumentActivationEnabled = true;
-    }
-  }
-
-  public void CancelSend(string modelCardId) => _cancellationManager.CancelOperation(modelCardId);
 }

Connectors/Autocad/Speckle.Connectors.AutocadShared/DependencyInjection/AutocadConnectorModule.cs

@@ -1,5 +1,11 @@
 #if AUTOCAD
+using System.Reflection;
 using Microsoft.Extensions.DependencyInjection;
+using Speckle.Connectors.Autocad.Bindings;
+using Speckle.Connectors.Autocad.Operations.Send;
+using Speckle.Connectors.Common.Builders;
+using Speckle.Connectors.DUI.Bindings;
+using Speckle.Sdk;
 
 namespace Speckle.Connectors.Autocad.DependencyInjection;
 
@@ -9,9 +15,16 @@ public static class AutocadConnectorModule
   {
     serviceCollection.AddAutocadBase();
 
-    // Operations
+    // Send
     serviceCollection.LoadSend();
+    serviceCollection.AddScoped<IRootObjectBuilder<AutocadRootObject>, AutocadRootObjectBuilder>();
+
+    // Receive
     serviceCollection.LoadReceive();
+
+    // Register vertical specific bindings
+    serviceCollection.AddSingleton<IBinding, AutocadSendBinding>();
+    serviceCollection.AddMatchingInterfacesAsTransient(Assembly.GetExecutingAssembly());
   }
 }
 #endif

Connectors/Autocad/Speckle.Connectors.AutocadShared/DependencyInjection/Civil3dConnectorModule.cs

@@ -1,5 +1,7 @@
 #if CIVIL3D
 using Microsoft.Extensions.DependencyInjection;
+using Speckle.Connectors.Autocad.Operations.Send;
+using Speckle.Connectors.Common.Builders;
 
 namespace Speckle.Connectors.Autocad.DependencyInjection;
 
@@ -8,7 +10,10 @@ public static class Civil3dConnectorModule
   public static void AddCivil3d(this IServiceCollection serviceCollection)
   {
     serviceCollection.AddAutocadBase();
+
+    // send
     serviceCollection.LoadSend();
+    serviceCollection.AddScoped<IRootObjectBuilder<AutocadRootObject>, Civil3dRootObjectBuilder>();
   }
 }
 #endif

Connectors/Autocad/Speckle.Connectors.AutocadShared/DependencyInjection/SharedRegistration.cs

@@ -10,9 +10,10 @@ using Speckle.Connectors.Common.Builders;
 using Speckle.Connectors.Common.Caching;
 using Speckle.Connectors.Common.Instances;
 using Speckle.Connectors.Common.Operations;
+using Speckle.Connectors.Common.Threading;
 using Speckle.Connectors.DUI;
 using Speckle.Connectors.DUI.Bindings;
-using Speckle.Connectors.DUI.Models;
+using Speckle.Connectors.DUI.Bridge;
 using Speckle.Connectors.DUI.Models.Card.SendFilter;
 using Speckle.Connectors.DUI.WebView;
 using Speckle.Sdk.Models.GraphTraversal;
@@ -24,13 +25,12 @@ public static class SharedRegistration
   public static void AddAutocadBase(this IServiceCollection serviceCollection)
   {
     serviceCollection.AddConnectorUtils();
-    serviceCollection.AddDUI();
+    serviceCollection.AddDUI<DefaultThreadContext, AutocadDocumentStore>();
     serviceCollection.AddDUIView();
 
     // Register other connector specific types
     serviceCollection.AddTransient<TransactionContext>();
     serviceCollection.AddSingleton(new AutocadDocumentManager()); // TODO: Dependent to TransactionContext, can be moved to AutocadContext
-    serviceCollection.AddSingleton<DocumentModelStore, AutocadDocumentStore>();
     serviceCollection.AddSingleton<AutocadContext>();
 
     // Unpackers and builders
@@ -44,12 +44,12 @@ public static class SharedRegistration
     serviceCollection.AddScoped<AutocadGroupBaker>();
 
     serviceCollection.AddScoped<AutocadColorUnpacker>();
-    serviceCollection.AddScoped<AutocadColorBaker>();
+    serviceCollection.AddScoped<IAutocadColorBaker, AutocadColorBaker>();
 
     serviceCollection.AddScoped<AutocadMaterialUnpacker>();
-    serviceCollection.AddScoped<AutocadMaterialBaker>();
+    serviceCollection.AddScoped<IAutocadMaterialBaker, AutocadMaterialBaker>();
 
-    serviceCollection.AddSingleton<IAutocadIdleManager, AutocadIdleManager>();
+    serviceCollection.AddSingleton<IAppIdleManager, AutocadIdleManager>();
 
     // operation progress manager
     serviceCollection.AddSingleton<IOperationProgressManager, OperationProgressManager>();
@@ -61,8 +61,6 @@ public static class SharedRegistration
     serviceCollection.AddSingleton<IBinding>(sp => sp.GetRequiredService<IBasicConnectorBinding>());
     serviceCollection.AddSingleton<IBasicConnectorBinding, AutocadBasicConnectorBinding>();
     serviceCollection.AddSingleton<IBinding, ConfigBinding>();
-
-    serviceCollection.RegisterTopLevelExceptionHandler();
   }
 
   public static void LoadSend(this IServiceCollection serviceCollection)
@@ -70,12 +68,6 @@ public static class SharedRegistration
     // Operations
     serviceCollection.AddScoped<SendOperation<AutocadRootObject>>();
 
-    // Object Builders
-    serviceCollection.AddScoped<IRootObjectBuilder<AutocadRootObject>, AutocadRootObjectBuilder>();
-
-    // Register bindings
-    serviceCollection.AddSingleton<IBinding, AutocadSendBinding>();
-
     // register send filters
     serviceCollection.AddTransient<ISendFilter, AutocadSelectionFilter>();
 

Connectors/Autocad/Speckle.Connectors.AutocadShared/Filters/AutocadSelectionFilter.cs

@@ -4,7 +4,10 @@ namespace Speckle.Connectors.Autocad.Filters;
 
 public class AutocadSelectionFilter : DirectSelectionSendFilter
 {
-  public override List<string> GetObjectIds() => SelectedObjectIds;
+  public AutocadSelectionFilter()
+  {
+    IsDefault = true;
+  }
 
-  public override bool CheckExpiry(string[] changedObjectIds) => SelectedObjectIds.Intersect(changedObjectIds).Any();
+  public override List<string> RefreshObjectIds() => SelectedObjectIds;
 }

Connectors/Autocad/Speckle.Connectors.AutocadShared/HostApp/AutocadColorBaker.cs

@@ -1,5 +1,7 @@
 using Autodesk.AutoCAD.Colors;
 using Microsoft.Extensions.Logging;
+using Speckle.Connectors.Common.Operations;
+using Speckle.InterfaceGenerator;
 using Speckle.Sdk;
 using Speckle.Sdk.Models.Proxies;
 using AutocadColor = Autodesk.AutoCAD.Colors.Color;
@@ -9,15 +11,9 @@ namespace Speckle.Connectors.Autocad.HostApp;
 /// <summary>
 /// Expects to be a scoped dependency for a given operation and helps with layer creation and cleanup.
 /// </summary>
-public class AutocadColorBaker
+[GenerateAutoInterface]
+public class AutocadColorBaker(ILogger<AutocadColorBaker> logger) : IAutocadColorBaker
 {
-  private readonly ILogger<AutocadColorBaker> _logger;
-
-  public AutocadColorBaker(ILogger<AutocadColorBaker> logger)
-  {
-    _logger = logger;
-  }
-
   /// <summary>
   /// For receive operations
   /// </summary>
@@ -28,14 +24,14 @@ public class AutocadColorBaker
   /// </summary>
   /// <param name="colorProxies"></param>
   /// <param name="onOperationProgressed"></param>
-  public void ParseColors(List<ColorProxy> colorProxies, Action<string, double?>? onOperationProgressed)
+  public void ParseColors(IReadOnlyCollection<ColorProxy> colorProxies, IProgress<CardProgress> onOperationProgressed)
   {
     var count = 0;
     foreach (ColorProxy colorProxy in colorProxies)
     {
       try
       {
-        onOperationProgressed?.Invoke("Converting colors", (double)++count / colorProxies.Count);
+        onOperationProgressed.Report(new("Converting colors", (double)++count / colorProxies.Count));
 
         // skip any colors with source = layer, since object color default source is by layer
         if (colorProxy["source"] is string source && source == "layer")
@@ -58,7 +54,7 @@ public class AutocadColorBaker
       }
       catch (Exception ex) when (!ex.IsFatal())
       {
-        _logger.LogError(ex, "Failed parsing color proxy");
+        logger.LogError(ex, "Failed parsing color proxy");
       }
     }
   }

Connectors/Autocad/Speckle.Connectors.AutocadShared/HostApp/AutocadDocumentModelStore.cs

@@ -1,25 +1,26 @@
 using Speckle.Connectors.DUI.Bridge;
 using Speckle.Connectors.DUI.Models;
-using Speckle.Newtonsoft.Json;
-using Speckle.Sdk.Common;
+using Speckle.Connectors.DUI.Utils;
 
 namespace Speckle.Connectors.Autocad.HostApp;
 
 public class AutocadDocumentStore : DocumentModelStore
 {
-  private readonly string _nullDocumentName = "Null Doc";
+  private const string NULL_DOCUMENT_NAME = "Null Doc";
   private string _previousDocName;
   private readonly AutocadDocumentManager _autocadDocumentManager;
+  private readonly ITopLevelExceptionHandler _topLevelExceptionHandler;
 
   public AutocadDocumentStore(
-    JsonSerializerSettings jsonSerializerSettings,
+    IJsonSerializer jsonSerializer,
     AutocadDocumentManager autocadDocumentManager,
     ITopLevelExceptionHandler topLevelExceptionHandler
   )
-    : base(jsonSerializerSettings, true)
+    : base(jsonSerializer)
   {
     _autocadDocumentManager = autocadDocumentManager;
-    _previousDocName = _nullDocumentName;
+    _topLevelExceptionHandler = topLevelExceptionHandler;
+    _previousDocName = NULL_DOCUMENT_NAME;
 
     // POC: Will be addressed to move it into AutocadContext!
     if (Application.DocumentManager.MdiActiveDocument != null)
@@ -41,39 +42,38 @@ public class AutocadDocumentStore : DocumentModelStore
 
   private void OnDocChangeInternal(Document? doc)
   {
-    var currentDocName = doc != null ? doc.Name : _nullDocumentName;
+    var currentDocName = doc != null ? doc.Name : NULL_DOCUMENT_NAME;
     if (_previousDocName == currentDocName)
     {
       return;
     }
 
     _previousDocName = currentDocName;
-    ReadFromFile();
+    LoadState();
     OnDocumentChanged();
   }
 
-  public override void ReadFromFile()
+  protected override void LoadState()
   {
-    Models = new();
-
     // POC: Will be addressed to move it into AutocadContext!
     Document? doc = Application.DocumentManager.MdiActiveDocument;
 
     if (doc == null)
     {
+      ClearAndSave();
       return;
     }
 
     string? serializedModelCards = _autocadDocumentManager.ReadModelCards(doc);
     if (serializedModelCards == null)
     {
+      ClearAndSave();
       return;
     }
-
-    Models = Deserialize(serializedModelCards).NotNull();
+    LoadFromString(serializedModelCards);
   }
 
-  public override void WriteToFile()
+  protected override void HostAppSaveState(string modelCardState)
   {
     // POC: Will be addressed to move it into AutocadContext!
     Document doc = Application.DocumentManager.MdiActiveDocument;
@@ -83,7 +83,6 @@ public class AutocadDocumentStore : DocumentModelStore
       return;
     }
 
-    string modelCardsString = Serialize();
-    _autocadDocumentManager.WriteModelCards(doc, modelCardsString);
+    _autocadDocumentManager.WriteModelCards(doc, modelCardState);
   }
 }

Connectors/Autocad/Speckle.Connectors.AutocadShared/HostApp/AutocadGroupBaker.cs

@@ -2,6 +2,7 @@ using Autodesk.AutoCAD.DatabaseServices;
 using Microsoft.Extensions.Logging;
 using Speckle.Connectors.Common.Conversion;
 using Speckle.Sdk;
+using Speckle.Sdk.Dependencies;
 using Speckle.Sdk.Models.Proxies;
 
 namespace Speckle.Connectors.Autocad.HostApp;
@@ -29,12 +30,12 @@ public class AutocadGroupBaker
   /// <param name="applicationIdMap"></param>
   /// <returns></returns>
   // TODO: Oguzhan! Do not report here too! But this is TBD that we don't know the shape of the report yet.
-  public List<ReceiveConversionResult> CreateGroups(
+  public IReadOnlyCollection<ReceiveConversionResult> CreateGroups(
     IEnumerable<GroupProxy> groupProxies,
-    Dictionary<string, List<Entity>> applicationIdMap
+    Dictionary<string, IReadOnlyCollection<Entity>> applicationIdMap
   )
   {
-    List<ReceiveConversionResult> results = new();
+    HashSet<ReceiveConversionResult> results = new();
 
     using var groupCreationTransaction =
       Application.DocumentManager.CurrentDocument.Database.TransactionManager.StartTransaction();
@@ -75,6 +76,6 @@ public class AutocadGroupBaker
 
     groupCreationTransaction.Commit();
 
-    return results;
+    return results.Freeze();
   }
 }

Connectors/Autocad/Speckle.Connectors.AutocadShared/HostApp/AutocadIdleManager.cs

@@ -3,23 +3,17 @@ using Speckle.InterfaceGenerator;
 
 namespace Speckle.Connectors.Autocad.HostApp;
 
+public partial interface IAutocadIdleManager : IAppIdleManager;
+
 [GenerateAutoInterface]
-public class AutocadIdleManager(IIdleCallManager idleCallManager) : IAutocadIdleManager
+public sealed class AutocadIdleManager(IIdleCallManager idleCallManager)
+  : AppIdleManager(idleCallManager),
+    IAutocadIdleManager
 {
-  /// <summary>
-  /// Subscribe deferred action to AutocadIdle event to run it whenever Autocad become idle.
-  /// </summary>
-  /// <param name="action"> Action to call whenever Autocad become Idle.</param>
-  public void SubscribeToIdle(string id, Action action) =>
-    idleCallManager.SubscribeToIdle(
-      id,
-      action,
-      () =>
-      {
-        Application.Idle += AutocadAppOnIdle;
-      }
-    );
+  private readonly IIdleCallManager _idleCallManager = idleCallManager;
+
+  protected override void AddEvent() => Application.Idle += AutocadAppOnIdle;
 
   private void AutocadAppOnIdle(object? sender, EventArgs e) =>
-    idleCallManager.AppOnIdle(() => Application.Idle -= AutocadAppOnIdle);
+    _idleCallManager.AppOnIdle(() => Application.Idle -= AutocadAppOnIdle);
 }

Connectors/Autocad/Speckle.Connectors.AutocadShared/HostApp/AutocadInstanceBaker.cs

@@ -1,14 +1,18 @@
+using System.Diagnostics.CodeAnalysis;
 using Autodesk.AutoCAD.DatabaseServices;
 using Autodesk.AutoCAD.Geometry;
 using Microsoft.Extensions.Logging;
 using Speckle.Connectors.Autocad.HostApp.Extensions;
 using Speckle.Connectors.Common.Conversion;
 using Speckle.Connectors.Common.Instances;
+using Speckle.Connectors.Common.Operations;
 using Speckle.Converters.Autocad;
 using Speckle.Converters.Common;
 using Speckle.DoubleNumerics;
 using Speckle.Sdk;
 using Speckle.Sdk.Common;
+using Speckle.Sdk.Common.Exceptions;
+using Speckle.Sdk.Dependencies;
 using Speckle.Sdk.Models;
 using Speckle.Sdk.Models.Collections;
 using Speckle.Sdk.Models.Instances;
@@ -19,19 +23,19 @@ namespace Speckle.Connectors.Autocad.HostApp;
 /// <summary>
 /// Expects to be a scoped dependency receive operation.
 /// </summary>
-public class AutocadInstanceBaker : IInstanceBaker<List<Entity>>
+public class AutocadInstanceBaker : IInstanceBaker<IReadOnlyCollection<Entity>>
 {
   private readonly AutocadLayerBaker _layerBaker;
-  private readonly AutocadColorBaker _colorBaker;
-  private readonly AutocadMaterialBaker _materialBaker;
+  private readonly IAutocadColorBaker _colorBaker;
+  private readonly IAutocadMaterialBaker _materialBaker;
   private readonly AutocadContext _autocadContext;
   private readonly ILogger<AutocadInstanceBaker> _logger;
   private readonly IConverterSettingsStore<AutocadConversionSettings> _converterSettings;
 
   public AutocadInstanceBaker(
     AutocadLayerBaker layerBaker,
-    AutocadColorBaker colorBaker,
-    AutocadMaterialBaker materialBaker,
+    IAutocadColorBaker colorBaker,
+    IAutocadMaterialBaker materialBaker,
     AutocadContext autocadContext,
     ILogger<AutocadInstanceBaker> logger,
     IConverterSettingsStore<AutocadConversionSettings> converterSettings
@@ -45,11 +49,12 @@ public class AutocadInstanceBaker : IInstanceBaker<List<Entity>>
     _converterSettings = converterSettings;
   }
 
+  [SuppressMessage("Maintainability", "CA1506:Avoid excessive class coupling")]
   public BakeResult BakeInstances(
-    List<(Collection[] collectionPath, IInstanceComponent obj)> instanceComponents,
-    Dictionary<string, List<Entity>> applicationIdMap,
+    ICollection<(Collection[] collectionPath, IInstanceComponent obj)> instanceComponents,
+    Dictionary<string, IReadOnlyCollection<Entity>> applicationIdMap,
     string baseLayerName,
-    Action<string, double?>? onOperationProgressed
+    IProgress<CardProgress> onOperationProgressed
   )
   {
     var sortedInstanceComponents = instanceComponents
@@ -60,21 +65,24 @@ public class AutocadInstanceBaker : IInstanceBaker<List<Entity>>
     var definitionIdAndApplicationIdMap = new Dictionary<string, ObjectId>();
 
     using var transaction = Application.DocumentManager.CurrentDocument.Database.TransactionManager.StartTransaction();
-    var conversionResults = new List<ReceiveConversionResult>();
-    var createdObjectIds = new List<string>();
-    var consumedObjectIds = new List<string>();
+    var conversionResults = new HashSet<ReceiveConversionResult>();
+    var createdObjectIds = new HashSet<string>();
+    var consumedObjectIds = new HashSet<string>();
     var count = 0;
 
     foreach (var (collectionPath, instanceOrDefinition) in sortedInstanceComponents)
     {
       try
       {
-        onOperationProgressed?.Invoke("Converting blocks", (double)++count / sortedInstanceComponents.Count);
+        onOperationProgressed.Report(new("Converting blocks", (double)++count / sortedInstanceComponents.Count));
+
         if (instanceOrDefinition is InstanceDefinitionProxy { applicationId: not null } definitionProxy)
         {
           // TODO: create definition (block table record)
           var constituentEntities = definitionProxy
-            .objects.Select(id => applicationIdMap.TryGetValue(id, out List<Entity>? value) ? value : null)
+            .objects.Select(id =>
+              applicationIdMap.TryGetValue(id, out IReadOnlyCollection<Entity>? value) ? value : null
+            )
             .Where(x => x is not null)
             .SelectMany(ent => ent!)
             .ToList();
@@ -104,8 +112,8 @@ public class AutocadInstanceBaker : IInstanceBaker<List<Entity>>
           definitionIdAndApplicationIdMap[definitionProxy.applicationId] = id;
           transaction.AddNewlyCreatedDBObject(record, true);
           var consumedEntitiesHandleValues = constituentEntities.Select(ent => ent.GetSpeckleApplicationId()).ToArray();
-          consumedObjectIds.AddRange(consumedEntitiesHandleValues);
-          createdObjectIds.RemoveAll(newId => consumedEntitiesHandleValues.Contains(newId));
+          consumedObjectIds.UnionWith(consumedEntitiesHandleValues);
+          createdObjectIds.RemoveWhere(newId => consumedEntitiesHandleValues.Contains(newId));
         }
         else if (
           instanceOrDefinition is InstanceProxy instanceProxy
@@ -123,7 +131,7 @@ public class AutocadInstanceBaker : IInstanceBaker<List<Entity>>
           string layerName = _layerBaker.CreateLayerForReceive(collectionPath, baseLayerName);
 
           // get color and material if any
-          string instanceId = instanceProxy.applicationId ?? instanceProxy.id;
+          string instanceId = instanceProxy.applicationId ?? instanceProxy.id.NotNull();
           AutocadColor? objColor = _colorBaker.ObjectColorsIdMap.TryGetValue(instanceId, out AutocadColor? color)
             ? color
             : null;
@@ -162,7 +170,7 @@ public class AutocadInstanceBaker : IInstanceBaker<List<Entity>>
     }
 
     transaction.Commit();
-    return new(createdObjectIds, consumedObjectIds, conversionResults);
+    return new(createdObjectIds.Freeze(), consumedObjectIds.Freeze(), conversionResults.Freeze());
   }
 
   /// <summary>

Connectors/Autocad/Speckle.Connectors.AutocadShared/HostApp/AutocadLayerBaker.cs

@@ -2,6 +2,7 @@
 using Autodesk.AutoCAD.EditorInput;
 using Autodesk.AutoCAD.LayerManager;
 using Speckle.Connectors.Common.Operations.Receive;
+using Speckle.Sdk.Common;
 using Speckle.Sdk.Models.Collections;
 using AutocadColor = Autodesk.AutoCAD.Colors.Color;
 
@@ -11,15 +12,15 @@ public class AutocadLayerBaker : TraversalContextUnpacker
 {
   private readonly string _layerFilterName = "Speckle";
   private readonly AutocadContext _autocadContext;
-  private readonly AutocadMaterialBaker _materialBaker;
-  private readonly AutocadColorBaker _colorBaker;
+  private readonly IAutocadMaterialBaker _materialBaker;
+  private readonly IAutocadColorBaker _colorBaker;
   private Document Doc => Application.DocumentManager.MdiActiveDocument;
   private readonly HashSet<string> _uniqueLayerNames = new();
 
   public AutocadLayerBaker(
     AutocadContext autocadContext,
-    AutocadMaterialBaker materialBaker,
-    AutocadColorBaker colorBaker
+    IAutocadMaterialBaker materialBaker,
+    IAutocadColorBaker colorBaker
   )
   {
     _autocadContext = autocadContext;
@@ -52,7 +53,7 @@ public class AutocadLayerBaker : TraversalContextUnpacker
       // Goes up the tree to find any potential parent layer that has a material/color
       for (int j = layerPath.Length - 1; j >= 0; j--)
       {
-        string layerId = layerPath[j].applicationId ?? layerPath[j].id;
+        string layerId = layerPath[j].applicationId ?? layerPath[j].id.NotNull();
 
         if (!foundColor)
         {

Connectors/Autocad/Speckle.Connectors.AutocadShared/HostApp/AutocadLayerUnpacker.cs

@@ -1,6 +1,6 @@
-using Autodesk.AutoCAD.DatabaseServices;
+using Autodesk.AutoCAD.DatabaseServices;
 using Speckle.Connectors.Autocad.HostApp.Extensions;
-using Speckle.Converters.Common;
+using Speckle.Sdk;
 using Speckle.Sdk.Models.Collections;
 
 namespace Speckle.Connectors.Autocad.HostApp;
@@ -19,14 +19,12 @@ public class AutocadLayerUnpacker
     }
     if (tr.GetObject(entity.LayerId, OpenMode.ForRead) is LayerTableRecord autocadLayer)
     {
-      // Layers and geometries can have same application ids.....
-      // We should prevent it for sketchup converter. Because when it happens "objects_to_bake" definition
-      // is changing on the way if it happens.
       speckleLayer = new Layer(layerName) { applicationId = autocadLayer.GetSpeckleApplicationId() }; // Do not use handle directly, see note in the 'GetSpeckleApplicationId' method
       _layerCollectionCache[layerName] = speckleLayer;
       layer = autocadLayer;
       return speckleLayer;
     }
-    throw new SpeckleConversionException("Unexpected condition in GetOrCreateSpeckleLayer");
+
+    throw new SpeckleException("Unexpected condition in GetOrCreateSpeckleLayer");
   }
 }

Connectors/Autocad/Speckle.Connectors.AutocadShared/HostApp/AutocadMaterialBaker.cs

@@ -3,8 +3,11 @@ using Autodesk.AutoCAD.DatabaseServices;
 using Autodesk.AutoCAD.GraphicsInterface;
 using Microsoft.Extensions.Logging;
 using Speckle.Connectors.Common.Conversion;
+using Speckle.Connectors.Common.Operations;
+using Speckle.InterfaceGenerator;
 using Speckle.Objects.Other;
 using Speckle.Sdk;
+using Speckle.Sdk.Common;
 using Speckle.Sdk.Models;
 using Material = Autodesk.AutoCAD.DatabaseServices.Material;
 using RenderMaterial = Speckle.Objects.Other.RenderMaterial;
@@ -14,7 +17,8 @@ namespace Speckle.Connectors.Autocad.HostApp;
 /// <summary>
 /// Expects to be a scoped dependency for a given operation and helps with layer creation and cleanup.
 /// </summary>
-public class AutocadMaterialBaker
+[GenerateAutoInterface]
+public class AutocadMaterialBaker : IAutocadMaterialBaker
 {
   private readonly ILogger<AutocadMaterialBaker> _logger;
   private readonly AutocadContext _autocadContext;
@@ -41,7 +45,7 @@ public class AutocadMaterialBaker
   public bool TryGetMaterialId(Base originalObject, Base? parentObject, out ObjectId materialId)
   {
     materialId = ObjectId.Null;
-    var originalObjectId = originalObject.applicationId ?? originalObject.id;
+    var originalObjectId = originalObject.applicationId ?? originalObject.id.NotNull();
     if (ObjectMaterialsIdMap.TryGetValue(originalObjectId, out ObjectId originalObjectMaterialId))
     {
       materialId = originalObjectMaterialId;
@@ -53,7 +57,7 @@ public class AutocadMaterialBaker
       return false;
     }
 
-    var subObjectId = parentObject.applicationId ?? parentObject.id;
+    var subObjectId = parentObject.applicationId ?? parentObject.id.NotNull();
     if (ObjectMaterialsIdMap.TryGetValue(subObjectId, out ObjectId subObjectMaterialId))
     {
       materialId = subObjectMaterialId;
@@ -91,9 +95,9 @@ public class AutocadMaterialBaker
   }
 
   public void ParseAndBakeRenderMaterials(
-    List<RenderMaterialProxy> materialProxies,
+    IReadOnlyCollection<RenderMaterialProxy> materialProxies,
     string baseLayerPrefix,
-    Action<string, double?>? onOperationProgressed
+    IProgress<CardProgress> onOperationProgressed
   )
   {
     using var transaction = Application.DocumentManager.CurrentDocument.Database.TransactionManager.StartTransaction();
@@ -109,11 +113,11 @@ public class AutocadMaterialBaker
     var count = 0;
     foreach (RenderMaterialProxy materialProxy in materialProxies)
     {
-      onOperationProgressed?.Invoke("Converting render materials", (double)++count / materialProxies.Count);
+      onOperationProgressed.Report(new("Converting render materials", (double)++count / materialProxies.Count));
 
       // bake render material
       RenderMaterial renderMaterial = materialProxy.value;
-      string renderMaterialId = renderMaterial.applicationId ?? renderMaterial.id;
+      string renderMaterialId = renderMaterial.applicationId ?? renderMaterial.id.NotNull();
       ObjectId materialId = ObjectId.Null;
 
       if (!ObjectMaterialsIdMap.TryGetValue(renderMaterialId, out materialId))
@@ -154,7 +158,7 @@ public class AutocadMaterialBaker
     {
       // POC: Currently we're relying on the render material name for identification if it's coming from speckle and from which model; could we do something else?
       // POC: we should assume render materials all have application ids?
-      string renderMaterialId = renderMaterial.applicationId ?? renderMaterial.id;
+      string renderMaterialId = renderMaterial.applicationId ?? renderMaterial.id.NotNull();
       string matName = _autocadContext.RemoveInvalidChars(
         $"{renderMaterial.name}-({renderMaterialId})-{baseLayerPrefix}"
       );

Connectors/Autocad/Speckle.Connectors.AutocadShared/HostApp/AutocadMaterialUnpacker.cs

@@ -70,7 +70,7 @@ public class AutocadMaterialUnpacker
       }
     }
 
-    // Stage 2: make sure we collect layer colors as well
+    // Stage 2: make sure we collect layer materials as well
     foreach (LayerTableRecord layer in layers)
     {
       try
@@ -110,10 +110,14 @@ public class AutocadMaterialUnpacker
       diffuseColor.Blue
     );
 
-    string name = material.Name;
-    double opacity = material.Opacity.Percentage;
-
-    RenderMaterial renderMaterial = new(opacity: opacity, diffuse: diffuse) { name = name, applicationId = id };
+    RenderMaterial renderMaterial =
+      new()
+      {
+        name = material.Name,
+        opacity = material.Opacity.Percentage,
+        diffuse = diffuse.ToArgb(),
+        applicationId = id
+      };
 
     // Add additional properties
     renderMaterial["ior"] = material.Refraction.Index;

Connectors/Autocad/Speckle.Connectors.AutocadShared/Operations/Receive/AutocadHostObjectBuilder.cs

@@ -3,10 +3,13 @@ using Speckle.Connectors.Autocad.HostApp;
 using Speckle.Connectors.Autocad.HostApp.Extensions;
 using Speckle.Connectors.Common.Builders;
 using Speckle.Connectors.Common.Conversion;
+using Speckle.Connectors.Common.Extensions;
 using Speckle.Connectors.Common.Operations;
 using Speckle.Connectors.Common.Operations.Receive;
 using Speckle.Converters.Common;
 using Speckle.Sdk;
+using Speckle.Sdk.Common;
+using Speckle.Sdk.Dependencies;
 using Speckle.Sdk.Models;
 using Speckle.Sdk.Models.Collections;
 using Speckle.Sdk.Models.Instances;
@@ -17,196 +20,176 @@ namespace Speckle.Connectors.Autocad.Operations.Receive;
 /// <summary>
 /// <para>Expects to be a scoped dependency per receive operation.</para>
 /// </summary>
-public class AutocadHostObjectBuilder : IHostObjectBuilder
+public class AutocadHostObjectBuilder(
+  IRootToHostConverter converter,
+  AutocadLayerBaker layerBaker,
+  AutocadGroupBaker groupBaker,
+  AutocadInstanceBaker instanceBaker,
+  IAutocadMaterialBaker materialBaker,
+  IAutocadColorBaker colorBaker,
+  AutocadContext autocadContext,
+  RootObjectUnpacker rootObjectUnpacker
+) : IHostObjectBuilder
 {
-  private readonly AutocadLayerBaker _layerBaker;
-  private readonly IRootToHostConverter _converter;
-  private readonly ISyncToThread _syncToThread;
-  private readonly AutocadGroupBaker _groupBaker;
-  private readonly AutocadMaterialBaker _materialBaker;
-  private readonly AutocadColorBaker _colorBaker;
-  private readonly AutocadInstanceBaker _instanceBaker;
-  private readonly AutocadContext _autocadContext;
-  private readonly RootObjectUnpacker _rootObjectUnpacker;
-
-  public AutocadHostObjectBuilder(
-    IRootToHostConverter converter,
-    AutocadLayerBaker layerBaker,
-    AutocadGroupBaker groupBaker,
-    AutocadInstanceBaker instanceBaker,
-    AutocadMaterialBaker materialBaker,
-    AutocadColorBaker colorBaker,
-    ISyncToThread syncToThread,
-    AutocadContext autocadContext,
-    RootObjectUnpacker rootObjectUnpacker
-  )
-  {
-    _converter = converter;
-    _layerBaker = layerBaker;
-    _groupBaker = groupBaker;
-    _instanceBaker = instanceBaker;
-    _materialBaker = materialBaker;
-    _colorBaker = colorBaker;
-    _syncToThread = syncToThread;
-    _autocadContext = autocadContext;
-    _rootObjectUnpacker = rootObjectUnpacker;
-  }
-
   public Task<HostObjectBuilderResult> Build(
     Base rootObject,
     string projectName,
     string modelName,
-    Action<string, double?>? onOperationProgressed,
-    CancellationToken _
-  ) =>
-    // NOTE: This is the only place we apply ISyncToThread across connectors. We need to sync up with main thread here
-    //  after GetObject and Deserialization. It is anti-pattern now. Happiness level 3/10 but works.
-    _syncToThread.RunOnThread(() =>
+    IProgress<CardProgress> onOperationProgressed,
+    CancellationToken cancellationToken
+  )
+  {
+    // Prompt the UI conversion started. Progress bar will swoosh.
+    onOperationProgressed.Report(new("Converting", null));
+
+    // Layer filter for received commit with project and model name
+    layerBaker.CreateLayerFilter(projectName, modelName);
+
+    // 0 - Clean then Rock n Roll!
+    string baseLayerPrefix = autocadContext.RemoveInvalidChars($"SPK-{projectName}-{modelName}-");
+    PreReceiveDeepClean(baseLayerPrefix);
+
+    // 1 - Unpack objects and proxies from root commit object
+    var unpackedRoot = rootObjectUnpacker.Unpack(rootObject);
+
+    // 2 - Split atomic objects and instance components with their path
+    var (atomicObjects, instanceComponents) = rootObjectUnpacker.SplitAtomicObjectsAndInstances(
+      unpackedRoot.ObjectsToConvert
+    );
+    var atomicObjectsWithPath = layerBaker.GetAtomicObjectsWithPath(atomicObjects);
+    var instanceComponentsWithPath = layerBaker.GetInstanceComponentsWithPath(instanceComponents);
+
+    // POC: these are not captured by traversal, so we need to re-add them here
+    if (unpackedRoot.DefinitionProxies != null && unpackedRoot.DefinitionProxies.Count > 0)
     {
-      // Prompt the UI conversion started. Progress bar will swoosh.
-      onOperationProgressed?.Invoke("Converting", null);
-
-      // Layer filter for received commit with project and model name
-      _layerBaker.CreateLayerFilter(projectName, modelName);
-
-      // 0 - Clean then Rock n Roll!
-      string baseLayerPrefix = _autocadContext.RemoveInvalidChars($"SPK-{projectName}-{modelName}-");
-      PreReceiveDeepClean(baseLayerPrefix);
-
-      // 1 - Unpack objects and proxies from root commit object
-      var unpackedRoot = _rootObjectUnpacker.Unpack(rootObject);
-
-      // 2 - Split atomic objects and instance components with their path
-      var (atomicObjects, instanceComponents) = _rootObjectUnpacker.SplitAtomicObjectsAndInstances(
-        unpackedRoot.ObjectsToConvert
+      var transformed = unpackedRoot.DefinitionProxies.Select(proxy =>
+        (Array.Empty<Collection>(), proxy as IInstanceComponent)
       );
-      var atomicObjectsWithPath = _layerBaker.GetAtomicObjectsWithPath(atomicObjects);
-      var instanceComponentsWithPath = _layerBaker.GetInstanceComponentsWithPath(instanceComponents);
+      instanceComponentsWithPath.AddRange(transformed);
+    }
 
-      // POC: these are not captured by traversal, so we need to re-add them here
-      if (unpackedRoot.DefinitionProxies != null && unpackedRoot.DefinitionProxies.Count > 0)
-      {
-        var transformed = unpackedRoot.DefinitionProxies.Select(proxy =>
-          (Array.Empty<Collection>(), proxy as IInstanceComponent)
-        );
-        instanceComponentsWithPath.AddRange(transformed);
-      }
-
-      // 3 - Bake materials and colors, as they are used later down the line by layers and objects
-      if (unpackedRoot.RenderMaterialProxies != null)
-      {
-        _materialBaker.ParseAndBakeRenderMaterials(
-          unpackedRoot.RenderMaterialProxies,
-          baseLayerPrefix,
-          onOperationProgressed
-        );
-      }
-
-      if (unpackedRoot.ColorProxies != null)
-      {
-        _colorBaker.ParseColors(unpackedRoot.ColorProxies, onOperationProgressed);
-      }
-
-      // 5 - Convert atomic objects
-      List<ReceiveConversionResult> results = new();
-      List<string> bakedObjectIds = new();
-      Dictionary<string, List<Entity>> applicationIdMap = new();
-      var count = 0;
-      foreach (var (layerPath, atomicObject) in atomicObjectsWithPath)
-      {
-        string objectId = atomicObject.applicationId ?? atomicObject.id;
-        onOperationProgressed?.Invoke("Converting objects", (double)++count / atomicObjects.Count);
-        try
-        {
-          List<Entity> convertedObjects = ConvertObject(atomicObject, layerPath, baseLayerPrefix).ToList();
-
-          applicationIdMap[objectId] = convertedObjects;
-
-          results.AddRange(
-            convertedObjects.Select(e => new ReceiveConversionResult(
-              Status.SUCCESS,
-              atomicObject,
-              e.GetSpeckleApplicationId(),
-              e.GetType().ToString()
-            ))
-          );
-
-          bakedObjectIds.AddRange(convertedObjects.Select(e => e.GetSpeckleApplicationId()));
-        }
-        catch (Exception ex) when (!ex.IsFatal())
-        {
-          results.Add(new(Status.ERROR, atomicObject, null, null, ex));
-        }
-      }
-
-      // 6 - Convert instances
-      var (createdInstanceIds, consumedObjectIds, instanceConversionResults) = _instanceBaker.BakeInstances(
-        instanceComponentsWithPath,
-        applicationIdMap,
+    // 3 - Bake materials and colors, as they are used later down the line by layers and objects
+    if (unpackedRoot.RenderMaterialProxies != null)
+    {
+      materialBaker.ParseAndBakeRenderMaterials(
+        unpackedRoot.RenderMaterialProxies,
         baseLayerPrefix,
         onOperationProgressed
       );
+    }
 
-      bakedObjectIds.RemoveAll(id => consumedObjectIds.Contains(id));
-      bakedObjectIds.AddRange(createdInstanceIds);
-      results.RemoveAll(result => result.ResultId != null && consumedObjectIds.Contains(result.ResultId));
-      results.AddRange(instanceConversionResults);
+    if (unpackedRoot.ColorProxies != null)
+    {
+      colorBaker.ParseColors(unpackedRoot.ColorProxies, onOperationProgressed);
+    }
 
-      // 7 - Create groups
-      if (unpackedRoot.GroupProxies != null)
+    // 4 - Convert atomic objects
+    HashSet<ReceiveConversionResult> results = new();
+    HashSet<string> bakedObjectIds = new();
+    Dictionary<string, IReadOnlyCollection<Entity>> applicationIdMap = new();
+    var count = 0;
+    foreach (var (layerPath, atomicObject) in atomicObjectsWithPath)
+    {
+      string objectId = atomicObject.applicationId ?? atomicObject.id.NotNull();
+      onOperationProgressed.Report(new("Converting objects", (double)++count / atomicObjects.Count));
+      cancellationToken.ThrowIfCancellationRequested();
+      try
       {
-        List<ReceiveConversionResult> groupResults = _groupBaker.CreateGroups(
-          unpackedRoot.GroupProxies,
-          applicationIdMap
-        );
-        results.AddRange(groupResults);
-      }
+        IReadOnlyCollection<Entity> convertedObjects = ConvertObject(atomicObject, layerPath, baseLayerPrefix);
 
-      return new HostObjectBuilderResult(bakedObjectIds, results);
-    });
+        applicationIdMap[objectId] = convertedObjects;
+
+        results.UnionWith(
+          convertedObjects.Select(e => new ReceiveConversionResult(
+            Status.SUCCESS,
+            atomicObject,
+            e.GetSpeckleApplicationId(),
+            e.GetType().ToString()
+          ))
+        );
+
+        bakedObjectIds.UnionWith(convertedObjects.Select(e => e.GetSpeckleApplicationId()));
+      }
+      catch (Exception ex) when (!ex.IsFatal())
+      {
+        results.Add(new(Status.ERROR, atomicObject, null, null, ex));
+      }
+    }
+
+    // 5 - Convert instances
+    var (createdInstanceIds, consumedObjectIds, instanceConversionResults) = instanceBaker.BakeInstances(
+      instanceComponentsWithPath,
+      applicationIdMap,
+      baseLayerPrefix,
+      onOperationProgressed
+    );
+
+    bakedObjectIds.RemoveWhere(id => consumedObjectIds.Contains(id));
+    bakedObjectIds.UnionWith(createdInstanceIds);
+    results.RemoveWhere(result => result.ResultId != null && consumedObjectIds.Contains(result.ResultId));
+    results.UnionWith(instanceConversionResults);
+
+    // 6 - Create groups
+    if (unpackedRoot.GroupProxies != null)
+    {
+      IReadOnlyCollection<ReceiveConversionResult> groupResults = groupBaker.CreateGroups(
+        unpackedRoot.GroupProxies,
+        applicationIdMap
+      );
+      results.UnionWith(groupResults);
+    }
+
+    return Task.FromResult(new HostObjectBuilderResult(bakedObjectIds, results));
+  }
 
   private void PreReceiveDeepClean(string baseLayerPrefix)
   {
-    _layerBaker.DeleteAllLayersByPrefix(baseLayerPrefix);
-    _instanceBaker.PurgeInstances(baseLayerPrefix);
-    _materialBaker.PurgeMaterials(baseLayerPrefix);
+    layerBaker.DeleteAllLayersByPrefix(baseLayerPrefix);
+    instanceBaker.PurgeInstances(baseLayerPrefix);
+    materialBaker.PurgeMaterials(baseLayerPrefix);
   }
 
-  private IEnumerable<Entity> ConvertObject(Base obj, Collection[] layerPath, string baseLayerNamePrefix)
+  private IReadOnlyCollection<Entity> ConvertObject(Base obj, Collection[] layerPath, string baseLayerNamePrefix)
   {
-    string layerName = _layerBaker.CreateLayerForReceive(layerPath, baseLayerNamePrefix);
-    var convertedEntities = new List<Entity>();
+    string layerName = layerBaker.CreateLayerForReceive(layerPath, baseLayerNamePrefix);
+    var convertedEntities = new HashSet<Entity>();
 
     using var tr = Application.DocumentManager.CurrentDocument.Database.TransactionManager.StartTransaction();
 
     // 1: convert
-    var converted = _converter.Convert(obj);
+    var converted = converter.Convert(obj);
 
     // 2: handle result
-    if (converted is Entity entity)
+    switch (converted)
     {
-      var bakedEntity = BakeObject(entity, obj, layerName);
-      convertedEntities.Add(bakedEntity);
-    }
-    else if (converted is IEnumerable<(object, Base)> fallbackConversionResult)
-    {
-      var bakedFallbackEntities = BakeObjectsAsGroup(fallbackConversionResult, obj, layerName, baseLayerNamePrefix);
-      convertedEntities.AddRange(bakedFallbackEntities);
+      case Entity entity:
+        var bakedEntity = BakeObject(entity, obj, layerName);
+        convertedEntities.Add(bakedEntity);
+        break;
+
+      case List<(Entity, Base)> listConversionResult: // this is from fallback conversion for brep/brepx/subdx/extrusionx/polycurve
+        var bakedFallbackEntities = BakeObjectsAsGroup(listConversionResult, obj, layerName, baseLayerNamePrefix);
+        convertedEntities.UnionWith(bakedFallbackEntities);
+        break;
+
+      default:
+        // TODO: capture defualt case with report object here? Same as in Rhino
+        break;
     }
 
     tr.Commit();
-    return convertedEntities;
+    return convertedEntities.Freeze();
   }
 
   private Entity BakeObject(Entity entity, Base originalObject, string layerName, Base? parentObject = null)
   {
-    var objId = originalObject.applicationId ?? originalObject.id;
-    if (_colorBaker.ObjectColorsIdMap.TryGetValue(objId, out AutocadColor? color))
+    var objId = originalObject.applicationId ?? originalObject.id.NotNull();
+    if (colorBaker.ObjectColorsIdMap.TryGetValue(objId, out AutocadColor? color))
     {
       entity.Color = color;
     }
 
-    if (_materialBaker.TryGetMaterialId(originalObject, parentObject, out ObjectId matId))
+    if (materialBaker.TryGetMaterialId(originalObject, parentObject, out ObjectId matId))
     {
       entity.MaterialId = matId;
     }
@@ -216,7 +199,7 @@ public class AutocadHostObjectBuilder : IHostObjectBuilder
   }
 
   private List<Entity> BakeObjectsAsGroup(
-    IEnumerable<(object, Base)> fallbackConversionResult,
+    List<(Entity, Base)> fallbackConversionResult,
     Base parentObject,
     string layerName,
     string baseLayerName
@@ -226,22 +209,21 @@ public class AutocadHostObjectBuilder : IHostObjectBuilder
     var entities = new List<Entity>();
     foreach (var (conversionResult, originalObject) in fallbackConversionResult)
     {
-      if (conversionResult is not Entity entity)
-      {
-        // TODO: throw?
-        continue;
-      }
+      BakeObject(conversionResult, originalObject, layerName, parentObject);
+      ids.Add(conversionResult.ObjectId);
+      entities.Add(conversionResult);
+    }
 
-      BakeObject(entity, originalObject, layerName, parentObject);
-      ids.Add(entity.ObjectId);
-      entities.Add(entity);
+    if (entities.Count <= 1) // return if empty list or only one, because we don't want to create empty or single item groups.
+    {
+      return entities;
     }
 
     var tr = Application.DocumentManager.CurrentDocument.Database.TransactionManager.TopTransaction;
     var groupDictionary = (DBDictionary)
       tr.GetObject(Application.DocumentManager.CurrentDocument.Database.GroupDictionaryId, OpenMode.ForWrite);
 
-    var groupName = _autocadContext.RemoveInvalidChars(
+    var groupName = autocadContext.RemoveInvalidChars(
       $@"{parentObject.speckle_type.Split('.').Last()} - {parentObject.applicationId ?? parentObject.id}  ({baseLayerName})"
     );
 

Connectors/Autocad/Speckle.Connectors.AutocadShared/Operations/Send/AutocadRootObjectBaseBuilder.cs

@@ -0,0 +1,185 @@
+using System.Diagnostics.CodeAnalysis;
+using Autodesk.AutoCAD.DatabaseServices;
+using Microsoft.Extensions.Logging;
+using Speckle.Connectors.Autocad.HostApp;
+using Speckle.Connectors.Common.Builders;
+using Speckle.Connectors.Common.Caching;
+using Speckle.Connectors.Common.Conversion;
+using Speckle.Connectors.Common.Extensions;
+using Speckle.Connectors.Common.Operations;
+using Speckle.Converters.Common;
+using Speckle.Sdk;
+using Speckle.Sdk.Logging;
+using Speckle.Sdk.Models;
+using Speckle.Sdk.Models.Collections;
+using Speckle.Sdk.Models.Instances;
+
+namespace Speckle.Connectors.Autocad.Operations.Send;
+
+public abstract class AutocadRootObjectBaseBuilder : IRootObjectBuilder<AutocadRootObject>
+{
+  private readonly IRootToSpeckleConverter _converter;
+  private readonly string[] _documentPathSeparator = ["\\"];
+  private readonly ISendConversionCache _sendConversionCache;
+  private readonly AutocadInstanceUnpacker _instanceUnpacker;
+  private readonly AutocadMaterialUnpacker _materialUnpacker;
+  private readonly AutocadColorUnpacker _colorUnpacker;
+  private readonly AutocadGroupUnpacker _groupUnpacker;
+  private readonly ILogger<AutocadRootObjectBuilder> _logger;
+  private readonly ISdkActivityFactory _activityFactory;
+
+  protected AutocadRootObjectBaseBuilder(
+    IRootToSpeckleConverter converter,
+    ISendConversionCache sendConversionCache,
+    AutocadInstanceUnpacker instanceObjectManager,
+    AutocadMaterialUnpacker materialUnpacker,
+    AutocadColorUnpacker colorUnpacker,
+    AutocadGroupUnpacker groupUnpacker,
+    ILogger<AutocadRootObjectBuilder> logger,
+    ISdkActivityFactory activityFactory
+  )
+  {
+    _converter = converter;
+    _sendConversionCache = sendConversionCache;
+    _instanceUnpacker = instanceObjectManager;
+    _materialUnpacker = materialUnpacker;
+    _colorUnpacker = colorUnpacker;
+    _groupUnpacker = groupUnpacker;
+    _logger = logger;
+    _activityFactory = activityFactory;
+  }
+
+  [SuppressMessage(
+    "Maintainability",
+    "CA1506:Avoid excessive class coupling",
+    Justification = """
+      It is already simplified but has many different references since it is a builder. Do not know can we simplify it now.
+      Later we might consider to refactor proxies from one proxy manager? but we do not know the shape of it all potential
+      proxy classes yet. So I'm supressing this one now!!!
+      """
+  )]
+  public Task<RootObjectBuilderResult> Build(
+    IReadOnlyList<AutocadRootObject> objects,
+    SendInfo sendInfo,
+    IProgress<CardProgress> onOperationProgressed,
+    CancellationToken cancellationToken
+  )
+  {
+    // 0 - Init the root
+    Collection root =
+      new()
+      {
+        name = Application
+          .DocumentManager.CurrentDocument.Name // POC: https://spockle.atlassian.net/browse/CNX-9319
+          .Split(_documentPathSeparator, StringSplitOptions.None)
+          .Reverse()
+          .First()
+      };
+
+    // TODO: better handling for document and transactions!!
+    Document doc = Application.DocumentManager.CurrentDocument;
+    using Transaction tr = doc.Database.TransactionManager.StartTransaction();
+
+    // 1 - Unpack the instances
+    var (atomicObjects, instanceProxies, instanceDefinitionProxies) = _instanceUnpacker.UnpackSelection(objects);
+    root[ProxyKeys.INSTANCE_DEFINITION] = instanceDefinitionProxies;
+
+    // 2 - Unpack the groups
+    root[ProxyKeys.GROUP] = _groupUnpacker.UnpackGroups(atomicObjects);
+    using (var _ = _activityFactory.Start("Converting objects"))
+    {
+      // 3 - Convert atomic objects
+      List<LayerTableRecord> usedAcadLayers = new(); // Keeps track of autocad layers used, so we can pass them on later to the material and color unpacker.
+      List<SendConversionResult> results = new();
+      int count = 0;
+      foreach (var (entity, applicationId) in atomicObjects)
+      {
+        cancellationToken.ThrowIfCancellationRequested();
+        using (var convertActivity = _activityFactory.Start("Converting object"))
+        {
+          // Create and add a collection for this entity if not done so already.
+          (Collection objectCollection, LayerTableRecord? autocadLayer) = CreateObjectCollection(entity, tr);
+
+          if (autocadLayer is not null)
+          {
+            usedAcadLayers.Add(autocadLayer);
+            root.elements.Add(objectCollection);
+          }
+
+          var result = ConvertAutocadEntity(
+            entity,
+            applicationId,
+            objectCollection,
+            instanceProxies,
+            sendInfo.ProjectId
+          );
+          results.Add(result);
+
+          onOperationProgressed.Report(new("Converting", (double)++count / atomicObjects.Count));
+        }
+      }
+
+      if (results.All(x => x.Status == Status.ERROR))
+      {
+        throw new SpeckleException("Failed to convert all objects."); // fail fast instead creating empty commit! It will appear as model card error with red color.
+      }
+
+      // 4 - Unpack the render material proxies
+      root[ProxyKeys.RENDER_MATERIAL] = _materialUnpacker.UnpackMaterials(atomicObjects, usedAcadLayers);
+
+      // 5 - Unpack the color proxies
+      root[ProxyKeys.COLOR] = _colorUnpacker.UnpackColors(atomicObjects, usedAcadLayers);
+
+      // add any additional properties (most likely from verticals)
+      AddAdditionalProxiesToRoot(root);
+
+      return Task.FromResult(new RootObjectBuilderResult(root, results));
+    }
+  }
+
+  public virtual (Collection, LayerTableRecord?) CreateObjectCollection(Entity entity, Transaction tr)
+  {
+    return (new(), null);
+  }
+
+  public virtual void AddAdditionalProxiesToRoot(Collection rootCollection)
+  {
+    return;
+  }
+
+  private SendConversionResult ConvertAutocadEntity(
+    Entity entity,
+    string applicationId,
+    Collection collectionHost,
+    IReadOnlyDictionary<string, InstanceProxy> instanceProxies,
+    string projectId
+  )
+  {
+    string sourceType = entity.GetType().ToString();
+    try
+    {
+      Base converted;
+      if (entity is BlockReference && instanceProxies.TryGetValue(applicationId, out InstanceProxy? instanceProxy))
+      {
+        converted = instanceProxy;
+      }
+      else if (_sendConversionCache.TryGetValue(projectId, applicationId, out ObjectReference? value))
+      {
+        converted = value;
+      }
+      else
+      {
+        converted = _converter.Convert(entity);
+        converted.applicationId = applicationId;
+      }
+
+      collectionHost.elements.Add(converted);
+      return new(Status.SUCCESS, applicationId, sourceType, converted);
+    }
+    catch (Exception ex) when (!ex.IsFatal())
+    {
+      _logger.LogSendConversionError(ex, sourceType);
+      return new(Status.ERROR, applicationId, sourceType, null, ex);
+    }
+  }
+}

Connectors/Autocad/Speckle.Connectors.AutocadShared/Operations/Send/AutocadRootObjectBuilder.cs

@@ -1,180 +1,46 @@
-using System.Diagnostics.CodeAnalysis;
 using Autodesk.AutoCAD.DatabaseServices;
 using Microsoft.Extensions.Logging;
 using Speckle.Connectors.Autocad.HostApp;
-using Speckle.Connectors.Common.Builders;
 using Speckle.Connectors.Common.Caching;
-using Speckle.Connectors.Common.Conversion;
-using Speckle.Connectors.Common.Extensions;
-using Speckle.Connectors.Common.Operations;
-using Speckle.Converters.Autocad;
 using Speckle.Converters.Common;
-using Speckle.Sdk;
 using Speckle.Sdk.Logging;
-using Speckle.Sdk.Models;
 using Speckle.Sdk.Models.Collections;
-using Speckle.Sdk.Models.Instances;
 
 namespace Speckle.Connectors.Autocad.Operations.Send;
 
-public class AutocadRootObjectBuilder : IRootObjectBuilder<AutocadRootObject>
+public sealed class AutocadRootObjectBuilder : AutocadRootObjectBaseBuilder
 {
-  private readonly IRootToSpeckleConverter _converter;
-  private readonly string[] _documentPathSeparator = ["\\"];
-  private readonly IConverterSettingsStore<AutocadConversionSettings> _converterSettings;
-  private readonly ISendConversionCache _sendConversionCache;
-  private readonly AutocadInstanceUnpacker _instanceUnpacker;
-  private readonly AutocadMaterialUnpacker _materialUnpacker;
-  private readonly AutocadColorUnpacker _colorUnpacker;
   private readonly AutocadLayerUnpacker _layerUnpacker;
-  private readonly AutocadGroupUnpacker _groupUnpacker;
-  private readonly ILogger<AutocadRootObjectBuilder> _logger;
-  private readonly ISdkActivityFactory _activityFactory;
 
   public AutocadRootObjectBuilder(
+    AutocadLayerUnpacker layerUnpacker,
     IRootToSpeckleConverter converter,
     ISendConversionCache sendConversionCache,
     AutocadInstanceUnpacker instanceObjectManager,
     AutocadMaterialUnpacker materialUnpacker,
     AutocadColorUnpacker colorUnpacker,
-    AutocadLayerUnpacker layerUnpacker,
     AutocadGroupUnpacker groupUnpacker,
     ILogger<AutocadRootObjectBuilder> logger,
-    ISdkActivityFactory activityFactory,
-    IConverterSettingsStore<AutocadConversionSettings> converterSettings
+    ISdkActivityFactory activityFactory
   )
+    : base(
+      converter,
+      sendConversionCache,
+      instanceObjectManager,
+      materialUnpacker,
+      colorUnpacker,
+      groupUnpacker,
+      logger,
+      activityFactory
+    )
   {
-    _converter = converter;
-    _sendConversionCache = sendConversionCache;
-    _instanceUnpacker = instanceObjectManager;
-    _materialUnpacker = materialUnpacker;
-    _colorUnpacker = colorUnpacker;
     _layerUnpacker = layerUnpacker;
-    _groupUnpacker = groupUnpacker;
-    _logger = logger;
-    _activityFactory = activityFactory;
-    _converterSettings = converterSettings;
   }
 
-  public Task<RootObjectBuilderResult> Build(
-    IReadOnlyList<AutocadRootObject> objects,
-    SendInfo sendInfo,
-    Action<string, double?>? onOperationProgressed = null,
-    CancellationToken ct = default
-  ) => Task.FromResult(BuildSync(objects, sendInfo, onOperationProgressed, ct));
-
-  [SuppressMessage(
-    "Maintainability",
-    "CA1506:Avoid excessive class coupling",
-    Justification = """
-      It is already simplified but has many different references since it is a builder. Do not know can we simplify it now.
-      Later we might consider to refactor proxies from one proxy manager? but we do not know the shape of it all potential
-      proxy classes yet. So I'm supressing this one now!!!
-      """
-  )]
-  private RootObjectBuilderResult BuildSync(
-    IReadOnlyList<AutocadRootObject> objects,
-    SendInfo sendInfo,
-    Action<string, double?>? onOperationProgressed,
-    CancellationToken ct
-  )
+  public override (Collection, LayerTableRecord?) CreateObjectCollection(Entity entity, Transaction tr)
   {
-    // 0 - Init the root
-    Collection root =
-      new()
-      {
-        name = Application
-          .DocumentManager.CurrentDocument.Name // POC: https://spockle.atlassian.net/browse/CNX-9319
-          .Split(_documentPathSeparator, StringSplitOptions.None)
-          .Reverse()
-          .First()
-      };
-    root["units"] = _converterSettings.Current.SpeckleUnits;
+    Layer layer = _layerUnpacker.GetOrCreateSpeckleLayer(entity, tr, out LayerTableRecord? autocadLayer);
 
-    // TODO: better handling for document and transactions!!
-    Document doc = Application.DocumentManager.CurrentDocument;
-    using Transaction tr = doc.Database.TransactionManager.StartTransaction();
-
-    // 1 - Unpack the instances
-    var (atomicObjects, instanceProxies, instanceDefinitionProxies) = _instanceUnpacker.UnpackSelection(objects);
-    root[ProxyKeys.INSTANCE_DEFINITION] = instanceDefinitionProxies;
-
-    // 2 - Unpack the groups
-    root[ProxyKeys.GROUP] = _groupUnpacker.UnpackGroups(atomicObjects);
-    using (var _ = _activityFactory.Start("Converting objects"))
-    {
-      // 3 - Convert atomic objects
-      List<LayerTableRecord> usedAcadLayers = new(); // Keeps track of autocad layers used, so we can pass them on later to the material and color unpacker.
-      List<SendConversionResult> results = new();
-      int count = 0;
-      foreach (var (entity, applicationId) in atomicObjects)
-      {
-        ct.ThrowIfCancellationRequested();
-        using (var convertActivity = _activityFactory.Start("Converting object"))
-        {
-          // Create and add a collection for each layer if not done so already.
-          Layer layer = _layerUnpacker.GetOrCreateSpeckleLayer(entity, tr, out LayerTableRecord? autocadLayer);
-          if (autocadLayer is not null)
-          {
-            usedAcadLayers.Add(autocadLayer);
-            root.elements.Add(layer);
-          }
-
-          var result = ConvertAutocadEntity(entity, applicationId, layer, instanceProxies, sendInfo.ProjectId);
-          results.Add(result);
-
-          onOperationProgressed?.Invoke("Converting", (double)++count / atomicObjects.Count);
-        }
-      }
-
-      if (results.All(x => x.Status == Status.ERROR))
-      {
-        throw new SpeckleConversionException("Failed to convert all objects."); // fail fast instead creating empty commit! It will appear as model card error with red color.
-      }
-
-      // 4 - Unpack the render material proxies
-      root[ProxyKeys.RENDER_MATERIAL] = _materialUnpacker.UnpackMaterials(atomicObjects, usedAcadLayers);
-
-      // 5 - Unpack the color proxies
-      root[ProxyKeys.COLOR] = _colorUnpacker.UnpackColors(atomicObjects, usedAcadLayers);
-
-      return new RootObjectBuilderResult(root, results);
-    }
-  }
-
-  private SendConversionResult ConvertAutocadEntity(
-    Entity entity,
-    string applicationId,
-    Collection collectionHost,
-    IReadOnlyDictionary<string, InstanceProxy> instanceProxies,
-    string projectId
-  )
-  {
-    string sourceType = entity.GetType().ToString();
-    try
-    {
-      Base converted;
-      if (entity is BlockReference && instanceProxies.TryGetValue(applicationId, out InstanceProxy? instanceProxy))
-      {
-        converted = instanceProxy;
-      }
-      else if (_sendConversionCache.TryGetValue(projectId, applicationId, out ObjectReference? value))
-      {
-        converted = value;
-      }
-      else
-      {
-        converted = _converter.Convert(entity);
-        converted.applicationId = applicationId;
-      }
-
-      collectionHost.elements.Add(converted);
-      return new(Status.SUCCESS, applicationId, sourceType, converted);
-    }
-    catch (Exception ex) when (!ex.IsFatal())
-    {
-      _logger.LogSendConversionError(ex, sourceType);
-      return new(Status.ERROR, applicationId, sourceType, null, ex);
-    }
+    return (layer, autocadLayer);
   }
 }

Connectors/Autocad/Speckle.Connectors.AutocadShared/Plugin/AppUtils.cs

@@ -10,21 +10,19 @@ public static class AppUtils
 #elif AUTOCAD
     HostApplications.AutoCAD;
 #else
-    throw new NotImplementedException();
+    throw new NotSupportedException();
 #endif
 
   public static HostAppVersion Version =>
-#if CIVIL3D2024
-    HostAppVersion.v2024;
-#elif AUTOCAD2025
+#if AUTOCAD2025 || CIVIL3D2025
     HostAppVersion.v2025;
-#elif AUTOCAD2024
+#elif AUTOCAD2024 || CIVIL3D2024
     HostAppVersion.v2024;
-#elif AUTOCAD2023
+#elif AUTOCAD2023|| CIVIL3D2023
     HostAppVersion.v2023;
-#elif AUTOCAD2022
+#elif AUTOCAD2022 || CIVIL3D2022
     HostAppVersion.v2022;
 #else
-    throw new NotImplementedException();
+    throw new NotSupportedException();
 #endif
 }

Connectors/Autocad/Speckle.Connectors.AutocadShared/Plugin/AutocadCommand.cs

@@ -2,14 +2,15 @@ using System.Drawing;
 using Autodesk.AutoCAD.Runtime;
 using Autodesk.AutoCAD.Windows;
 using Microsoft.Extensions.DependencyInjection;
-using Speckle.Connectors.Autocad.DependencyInjection;
 using Speckle.Connectors.Common;
 using Speckle.Connectors.DUI;
 using Speckle.Connectors.DUI.WebView;
 #if AUTOCAD
+using Speckle.Connectors.Autocad.DependencyInjection;
 using Speckle.Converters.Autocad;
 #elif CIVIL3D
-using Speckle.Converters.Civil3d;
+using Speckle.Converters.Civil3dShared;
+using Speckle.Connectors.Civil3dShared.DependencyInjection;
 #endif
 namespace Speckle.Connectors.Autocad.Plugin;
 
@@ -30,7 +31,7 @@ public class AutocadCommand
       return;
     }
 
-    PaletteSet = new PaletteSet("Speckle (Beta) for Autocad", s_id)
+    PaletteSet = new PaletteSet($"Speckle (Beta)", s_id)
     {
       Size = new Size(400, 500),
       DockEnabled = (DockSides)((int)DockSides.Left + (int)DockSides.Right)
@@ -51,7 +52,7 @@ public class AutocadCommand
 
     var panelWebView = Container.GetRequiredService<DUI3ControlWebView>();
 
-    PaletteSet.AddVisual("Speckle (Beta) for Autocad WebView", panelWebView);
+    PaletteSet.AddVisual("Speckle (Beta)", panelWebView);
 
     FocusPalette();
   }

Connectors/Autocad/Speckle.Connectors.AutocadShared/Plugin/AutocadRibbon.cs

@@ -46,20 +46,20 @@ public class AutocadRibbon
 
   private void Create()
   {
-    RibbonTab tab = FindOrMakeTab("Add-ins");
-    RibbonPanelSource source = new() { Title = "Speckle 2 (New Beta)" };
+    RibbonTab tab = FindOrMakeTab("Speckle");
+    RibbonPanelSource source = new() { Title = "Speckle (Beta)" };
     RibbonPanel panel = new() { Source = source };
     tab.Panels.Add(panel);
 
     RibbonToolTip speckleToolTip =
       new()
       {
-        Title = "Speckle 2 (New Beta)",
-        Content = "Speckle Connector for " + AppUtils.App.Name,
+        Title = "Speckle (Beta)",
+        Content = $"Next Gen Speckle Connector (Beta) for {AppUtils.App.Name}",
         IsHelpEnabled = true // Without this "Press F1 for help" does not appear in the tooltip
       };
 
-    _ = CreateSpeckleButton("Connector " + AppUtils.App.Name + " (New)", source, null, speckleToolTip, "logo");
+    _ = CreateSpeckleButton("Speckle (Beta)", source, null, speckleToolTip, "logo");
   }
 
   private void ComponentManager_ItemInitialized(object? sender, RibbonItemEventArgs e)

Connectors/Autocad/Speckle.Connectors.AutocadShared/Speckle.Connectors.AutocadShared.projitems

@@ -9,18 +9,20 @@
     <Import_RootNamespace>Speckle.Connectors.AutocadShared</Import_RootNamespace>
   </PropertyGroup>
   <ItemGroup>
+    <Compile Include="$(MSBuildThisFileDirectory)Bindings\AutocadReceiveBaseBinding.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Bindings\AutocadSelectionBinding.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Bindings\AutocadReceiveBinding.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Bindings\AutocadSendBinding.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Bindings\AutocadBasicConnectorBinding.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Bindings\AutocadSendBaseBinding.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)DependencyInjection\SharedRegistration.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)DependencyInjection\AutocadConnectorModule.cs" />
-    <Compile Include="$(MSBuildThisFileDirectory)DependencyInjection\Civil3dConnectorModule.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Filters\AutocadSelectionFilter.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)HostApp\AutocadColorBaker.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)HostApp\AutocadColorUnpacker.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)HostApp\AutocadGroupBaker.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)HostApp\AutocadGroupUnpacker.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)HostApp\AutocadIdleManager.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)HostApp\AutocadInstanceBaker.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)HostApp\AutocadInstanceUnpacker.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)HostApp\AutocadLayerBaker.cs" />
@@ -29,7 +31,6 @@
     <Compile Include="$(MSBuildThisFileDirectory)HostApp\AutocadContext.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)HostApp\AutocadDocumentManager.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)HostApp\AutocadDocumentModelStore.cs" />
-    <Compile Include="$(MSBuildThisFileDirectory)HostApp\AutocadIdleManager.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)HostApp\AutocadMaterialUnpacker.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)HostApp\Extensions\DatabaseExtensions.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)HostApp\Extensions\DocumentExtensions.cs" />
@@ -39,6 +40,7 @@
     <Compile Include="$(MSBuildThisFileDirectory)HostApp\TransactionContext.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Operations\Receive\AutocadHostObjectBuilder.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Operations\Send\AutocadRootObject.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Operations\Send\AutocadRootObjectBaseBuilder.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Operations\Send\AutocadRootObjectBuilder.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Plugin\AutocadRibbon.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Plugin\AutocadExtensionApplication.cs" />

Connectors/Autocad/Speckle.Connectors.Civil3d2022/Speckle.Connectors.Civil3d2022.csproj

@@ -0,0 +1,25 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net48</TargetFramework>
+    <PlatformTarget>x64</PlatformTarget>
+    <UseWpf>true</UseWpf>
+    <Civil3DVersion>2022</Civil3DVersion>
+    <DefineConstants>$(DefineConstants);CIVIL3D;CIVIL3D2022;CIVIL3D2022_OR_GREATER</DefineConstants>
+    <Configurations>Debug;Release;Local</Configurations>
+    <StartAction>Program</StartAction>
+    <StartProgram>$(ProgramW6432)\Autodesk\AutoCAD $(Civil3DVersion)\acad.exe</StartProgram>
+  </PropertyGroup>
+  <ItemGroup>
+    <PackageReference Include="Speckle.AutoCAD.API"  VersionOverride="2022.0.2" ExcludeAssets="runtime"/>
+    <PackageReference Include="Speckle.Civil3D.API"  VersionOverride="2022.0.2" ExcludeAssets="runtime"/>
+  </ItemGroup>
+  
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\Converters\Civil3d\Speckle.Converters.Civil3d2022\Speckle.Converters.Civil3d2022.csproj" />
+    <ProjectReference Include="..\..\..\DUI3\Speckle.Connectors.DUI.WebView\Speckle.Connectors.DUI.WebView.csproj" />
+    <ProjectReference Include="..\..\..\Sdk\Speckle.Converters.Common\Speckle.Converters.Common.csproj" />
+  </ItemGroup>
+  
+  <Import Project="..\..\Autocad\Speckle.Connectors.AutocadShared\Speckle.Connectors.AutocadShared.projitems" Label="Shared" />
+  <Import Project="..\..\Autocad\Speckle.Connectors.Civil3dShared\Speckle.Connectors.Civil3dShared.projitems" Label="Shared" />
+</Project>

Connectors/Autocad/Speckle.Connectors.Civil3d2022/packages.lock.json

@@ -0,0 +1,383 @@
+{
+  "version": 2,
+  "dependencies": {
+    ".NETFramework,Version=v4.8": {
+      "Microsoft.NETFramework.ReferenceAssemblies": {
+        "type": "Direct",
+        "requested": "[1.0.3, )",
+        "resolved": "1.0.3",
+        "contentHash": "vUc9Npcs14QsyOD01tnv/m8sQUnGTGOw1BCmKcv77LBJY7OxhJ+zJF7UD/sCL3lYNFuqmQEVlkfS4Quif6FyYg==",
+        "dependencies": {
+          "Microsoft.NETFramework.ReferenceAssemblies.net48": "1.0.3"
+        }
+      },
+      "Microsoft.SourceLink.GitHub": {
+        "type": "Direct",
+        "requested": "[8.0.0, )",
+        "resolved": "8.0.0",
+        "contentHash": "G5q7OqtwIyGTkeIOAc3u2ZuV/kicQaec5EaRnc0pIeSnh9LUjj+PYQrJYBURvDt7twGl2PKA7nSN0kz1Zw5bnQ==",
+        "dependencies": {
+          "Microsoft.Build.Tasks.Git": "8.0.0",
+          "Microsoft.SourceLink.Common": "8.0.0"
+        }
+      },
+      "PolySharp": {
+        "type": "Direct",
+        "requested": "[1.14.1, )",
+        "resolved": "1.14.1",
+        "contentHash": "mOOmFYwad3MIOL14VCjj02LljyF1GNw1wP0YVlxtcPvqdxjGGMNdNJJxHptlry3MOd8b40Flm8RPOM8JOlN2sQ=="
+      },
+      "Speckle.AutoCAD.API": {
+        "type": "Direct",
+        "requested": "[2022.0.2, )",
+        "resolved": "2022.0.2",
+        "contentHash": "NFHXnlkBjzM8Bau52d6eF6m0+etHddGx7qlWN8YyrfTtGyz+AmPvF8fgxcLgyjAcB3W4Wim11JeYuEoTNH1X0w=="
+      },
+      "Speckle.Civil3D.API": {
+        "type": "Direct",
+        "requested": "[2022.0.2, )",
+        "resolved": "2022.0.2",
+        "contentHash": "H36v9rA2Ynh4gDCzpBeUcWs4BQwWi3MwgTAnClM22vNbQXZlxjK85iO8i/mJsX57hh8VfqLB8EA7CUw94gBddw==",
+        "dependencies": {
+          "Speckle.AutoCAD.API": "2022.0.2"
+        }
+      },
+      "Speckle.InterfaceGenerator": {
+        "type": "Direct",
+        "requested": "[0.9.6, )",
+        "resolved": "0.9.6",
+        "contentHash": "HKH7tYrYYlCK1ct483hgxERAdVdMtl7gUKW9ijWXxA1UsYR4Z+TrRHYmzZ9qmpu1NnTycSrp005NYM78GDKV1w=="
+      },
+      "GraphQL.Client": {
+        "type": "Transitive",
+        "resolved": "6.0.0",
+        "contentHash": "8yPNBbuVBpTptivyAlak4GZvbwbUcjeQTL4vN1HKHRuOykZ4r7l5fcLS6vpyPyLn0x8FsL31xbOIKyxbmR9rbA==",
+        "dependencies": {
+          "GraphQL.Client.Abstractions": "6.0.0",
+          "GraphQL.Client.Abstractions.Websocket": "6.0.0",
+          "System.Net.WebSockets.Client.Managed": "1.0.22",
+          "System.Reactive": "5.0.0"
+        }
+      },
+      "GraphQL.Client.Abstractions": {
+        "type": "Transitive",
+        "resolved": "6.0.0",
+        "contentHash": "h7uzWFORHZ+CCjwr/ThAyXMr0DPpzEANDa4Uo54wqCQ+j7qUKwqYTgOrb1W40sqbvNaZm9v/X7It31SUw0maHA==",
+        "dependencies": {
+          "GraphQL.Primitives": "6.0.0"
+        }
+      },
+      "GraphQL.Client.Abstractions.Websocket": {
+        "type": "Transitive",
+        "resolved": "6.0.0",
+        "contentHash": "Nr9bPf8gIOvLuXpqEpqr9z9jslYFJOvd0feHth3/kPqeR3uMbjF5pjiwh4jxyMcxHdr8Pb6QiXkV3hsSyt0v7A==",
+        "dependencies": {
+          "GraphQL.Client.Abstractions": "6.0.0"
+        }
+      },
+      "GraphQL.Primitives": {
+        "type": "Transitive",
+        "resolved": "6.0.0",
+        "contentHash": "yg72rrYDapfsIUrul7aF6wwNnTJBOFvuA9VdDTQpPa8AlAriHbufeXYLBcodKjfUdkCnaiggX1U/nEP08Zb5GA=="
+      },
+      "Microsoft.Bcl.AsyncInterfaces": {
+        "type": "Transitive",
+        "resolved": "5.0.0",
+        "contentHash": "W8DPQjkMScOMTtJbPwmPyj9c3zYSFGawDW3jwlBOOsnY+EzZFLgNQ/UMkK35JmkNOVPdCyPr2Tw7Vv9N+KA3ZQ==",
+        "dependencies": {
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+        }
+      },
+      "Microsoft.Build.Tasks.Git": {
+        "type": "Transitive",
+        "resolved": "8.0.0",
+        "contentHash": "bZKfSIKJRXLTuSzLudMFte/8CempWjVamNUR5eHJizsy+iuOuO/k2gnh7W0dHJmYY0tBf+gUErfluCv5mySAOQ=="
+      },
+      "Microsoft.CSharp": {
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+      },
+      "Microsoft.Data.Sqlite": {
+        "type": "Transitive",
+        "resolved": "7.0.5",
+        "contentHash": "KGxbPeWsQMnmQy43DSBxAFtHz3l2JX8EWBSGUCvT3CuZ8KsuzbkqMIJMDOxWtG8eZSoCDI04aiVQjWuuV8HmSw==",
+        "dependencies": {
+          "Microsoft.Data.Sqlite.Core": "7.0.5",
+          "SQLitePCLRaw.bundle_e_sqlite3": "2.1.4"
+        }
+      },
+      "Microsoft.Data.Sqlite.Core": {
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+        "dependencies": {
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+      },
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+        "dependencies": {
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+        }
+      },
+      "Microsoft.Extensions.Configuration.Binder": {
+        "type": "Transitive",
+        "resolved": "2.2.0",
+        "contentHash": "vJ9xvOZCnUAIHcGC3SU35r3HKmHTVIeHzo6u/qzlHAqD8m6xv92MLin4oJntTvkpKxVX3vI1GFFkIQtU3AdlsQ==",
+        "dependencies": {
+          "Microsoft.Extensions.Configuration": "2.2.0"
+        }
+      },
+      "Microsoft.Extensions.DependencyInjection.Abstractions": {
+        "type": "Transitive",
+        "resolved": "2.2.0",
+        "contentHash": "f9hstgjVmr6rmrfGSpfsVOl2irKAgr1QjrSi3FgnS7kulxband50f2brRLwySAQTADPZeTdow0mpSMcoAdadCw=="
+      },
+      "Microsoft.Extensions.Options": {
+        "type": "Transitive",
+        "resolved": "2.2.0",
+        "contentHash": "UpZLNLBpIZ0GTebShui7xXYh6DmBHjWM8NxGxZbdQh/bPZ5e6YswqI+bru6BnEL5eWiOdodsXtEz3FROcgi/qg==",
+        "dependencies": {
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
+          "Microsoft.Extensions.Primitives": "2.2.0",
+          "System.ComponentModel.Annotations": "4.5.0"
+        }
+      },
+      "Microsoft.Extensions.Primitives": {
+        "type": "Transitive",
+        "resolved": "2.2.0",
+        "contentHash": "azyQtqbm4fSaDzZHD/J+V6oWMFaf2tWP4WEGIYePLCMw3+b2RQdj9ybgbQyjCshcitQKQ4lEDOZjmSlTTrHxUg==",
+        "dependencies": {
+          "System.Memory": "4.5.1",
+          "System.Runtime.CompilerServices.Unsafe": "4.5.1"
+        }
+      },
+      "Microsoft.NETFramework.ReferenceAssemblies.net48": {
+        "type": "Transitive",
+        "resolved": "1.0.3",
+        "contentHash": "zMk4D+9zyiEWByyQ7oPImPN/Jhpj166Ky0Nlla4eXlNL8hI/BtSJsgR8Inldd4NNpIAH3oh8yym0W2DrhXdSLQ=="
+      },
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+        "type": "Transitive",
+        "resolved": "8.0.0",
+        "contentHash": "dk9JPxTCIevS75HyEQ0E4OVAFhB2N+V9ShCXf8Q6FkUQZDkgLI12y679Nym1YqsiSysuQskT7Z+6nUf3yab6Vw=="
+      },
+      "Speckle.Newtonsoft.Json": {
+        "type": "Transitive",
+        "resolved": "13.0.2",
+        "contentHash": "g1BejUZwax5PRfL6xHgLEK23sqHWOgOj9hE7RvfRRlN00AGt8GnPYt8HedSK7UB3HiRW8zCA9Pn0iiYxCK24BA=="
+      },
+      "SQLitePCLRaw.bundle_e_sqlite3": {
+        "type": "Transitive",
+        "resolved": "2.1.4",
+        "contentHash": "EWI1olKDjFEBMJu0+3wuxwziIAdWDVMYLhuZ3Qs84rrz+DHwD00RzWPZCa+bLnHCf3oJwuFZIRsHT5p236QXww==",
+        "dependencies": {
+          "SQLitePCLRaw.lib.e_sqlite3": "2.1.4",
+          "SQLitePCLRaw.provider.dynamic_cdecl": "2.1.4"
+        }
+      },
+      "SQLitePCLRaw.core": {
+        "type": "Transitive",
+        "resolved": "2.1.4",
+        "contentHash": "inBjvSHo9UDKneGNzfUfDjK08JzlcIhn1+SP5Y3m6cgXpCxXKCJDy6Mka7LpgSV+UZmKSnC8rTwB0SQ0xKu5pA==",
+        "dependencies": {
+          "System.Memory": "4.5.3"
+        }
+      },
+      "SQLitePCLRaw.lib.e_sqlite3": {
+        "type": "Transitive",
+        "resolved": "2.1.4",
+        "contentHash": "2C9Q9eX7CPLveJA0rIhf9RXAvu+7nWZu1A2MdG6SD/NOu26TakGgL1nsbc0JAspGijFOo3HoN79xrx8a368fBg=="
+      },
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+        "dependencies": {
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+        }
+      },
+      "System.Buffers": {
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+        "dependencies": {
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+      "System.Numerics.Vectors": {
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Connectors/Autocad/Speckle.Connectors.Civil3d2023/Speckle.Connectors.Civil3d2023.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net48</TargetFramework>
+    <PlatformTarget>x64</PlatformTarget>
+    <UseWpf>true</UseWpf>
+    <Civil3DVersion>2023</Civil3DVersion>
+    <DefineConstants>$(DefineConstants);CIVIL3D;CIVIL3D2023;CIVIL3D2022_OR_GREATER;CIVIL3D2023_OR_GREATER</DefineConstants>
+    <Configurations>Debug;Release;Local</Configurations>
+    <StartAction>Program</StartAction>
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+  <Import Project="..\..\Autocad\Speckle.Connectors.Civil3dShared\Speckle.Connectors.Civil3dShared.projitems" Label="Shared" />
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+        }
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+      "speckle.connectors.dui": {
+        "type": "Project",
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+        }
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+        "dependencies": {
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+        }
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+      "speckle.connectors.logging": {
+        "type": "Project"
+      },
+      "speckle.converters.civil3d2023": {
+        "type": "Project",
+        "dependencies": {
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+          "Speckle.Civil3D.API": "[2023.0.0, )",
+          "Speckle.Converters.Common": "[1.0.0, )"
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+        "dependencies": {
+          "Speckle.Sdk": "3.1.7"
+        }
+      },
+      "Speckle.Sdk": {
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+        "resolved": "3.1.7",
+        "contentHash": "oi6fz5fSsWZ+VQiZukpom/fKHRH++Vlyf8a6rlkYQPj6NAqTIV3Rgthalt7Y7wWxGNRIP4KMdGTXvrN7wqCcjA==",
+        "dependencies": {
+          "GraphQL.Client": "6.0.0",
+          "Microsoft.Bcl.AsyncInterfaces": "5.0.0",
+          "Microsoft.CSharp": "4.7.0",
+          "Microsoft.Data.Sqlite": "7.0.5",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
+          "Microsoft.Extensions.Logging": "2.2.0",
+          "Speckle.DoubleNumerics": "4.1.0",
+          "Speckle.Newtonsoft.Json": "13.0.2",
+          "Speckle.Sdk.Dependencies": "3.1.7"
+        }
+      },
+      "Speckle.Sdk.Dependencies": {
+        "type": "CentralTransitive",
+        "requested": "[3.1.7, )",
+        "resolved": "3.1.7",
+        "contentHash": "T7FgbPXh9zI+VkC7f9I5qchtktEhslIOo2xeCm4VKRhImrR7naTmZInQ5MXIZvRfawZlPEg6u0tWzCV1q7ov9g=="
+      }
+    }
+  }
+}

Connectors/Autocad/Speckle.Connectors.Civil3d2024/Speckle.Connectors.Civil3d2024.csproj

@@ -4,15 +4,15 @@
     <PlatformTarget>x64</PlatformTarget>
     <UseWpf>true</UseWpf>
     <Civil3DVersion>2024</Civil3DVersion>
-    <DefineConstants>$(DefineConstants);CIVIL3D;CIVIL3D2024;CIVIL3D2024_OR_GREATER</DefineConstants>
+    <DefineConstants>$(DefineConstants);CIVIL3D;CIVIL3D2024;CIVIL3D2022_OR_GREATER;CIVIL3D2023_OR_GREATER;CIVIL3D2024_OR_GREATER</DefineConstants>
     <Configurations>Debug;Release;Local</Configurations>
     <StartAction>Program</StartAction>
     <StartProgram>$(ProgramW6432)\Autodesk\AutoCAD $(Civil3DVersion)\acad.exe</StartProgram>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2024.0.0" />
-    <PackageReference Include="Speckle.Civil3D.API" VersionOverride="2024.0.0" />
+    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2024.0.0" ExcludeAssets="runtime"/>
+    <PackageReference Include="Speckle.Civil3D.API" VersionOverride="2024.0.0" ExcludeAssets="runtime"/>
   </ItemGroup>
   
   <ItemGroup>
@@ -22,4 +22,5 @@
   </ItemGroup>
   
   <Import Project="..\..\Autocad\Speckle.Connectors.AutocadShared\Speckle.Connectors.AutocadShared.projitems" Label="Shared" />
+  <Import Project="..\..\Autocad\Speckle.Connectors.Civil3dShared\Speckle.Connectors.Civil3dShared.projitems" Label="Shared" />
 </Project>

Connectors/Autocad/Speckle.Connectors.Civil3d2024/packages.lock.json

@@ -80,6 +80,14 @@
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@@ -92,17 +100,17 @@
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         "dependencies": {
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+          "Microsoft.Data.Sqlite.Core": "7.0.5",
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@@ -165,29 +173,6 @@
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-      },
-      "Polly.Contrib.WaitAndRetry": {
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-        "contentHash": "1MUQLiSo4KDkQe6nzQRhIU05lm9jlexX5BVsbuw0SL82ynZ+GzAHQxJVDPVBboxV37Po3SG077aX8DuSy8TkaA=="
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-        "dependencies": {
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-        }
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-      "Speckle.DoubleNumerics": {
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-        "resolved": "4.0.1",
-        "contentHash": "MzEQ1Im0zTja+tEsdRIk/WlPiKqb22NmTOJcR1ZKm/mz46pezyyID3/wRz6vJUELMpSLnG7LhsxBL+nxbr7V0w=="
-      },
       "Speckle.Newtonsoft.Json": {
         "type": "Transitive",
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@@ -283,8 +268,9 @@
         "dependencies": {
           "Microsoft.Extensions.DependencyInjection": "[2.2.0, )",
           "Speckle.Connectors.Logging": "[1.0.0, )",
-          "Speckle.Objects": "[3.1.0-dev.146, )",
-          "Speckle.Sdk": "[3.1.0-dev.146, )"
+          "Speckle.Objects": "[3.1.7, )",
+          "Speckle.Sdk": "[3.1.7, )",
+          "Speckle.Sdk.Dependencies": "[3.1.7, )"
         }
       },
       "speckle.connectors.dui": {
@@ -292,8 +278,8 @@
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
           "Speckle.Connectors.Common": "[1.0.0, )",
-          "Speckle.Sdk": "[3.1.0-dev.146, )",
-          "System.Threading.Tasks.Dataflow": "[6.0.0, )"
+          "Speckle.Sdk": "[3.1.7, )",
+          "Speckle.Sdk.Dependencies": "[3.1.7, )"
         }
       },
       "speckle.connectors.dui.webview": {
@@ -318,7 +304,7 @@
         "type": "Project",
         "dependencies": {
           "Microsoft.Extensions.Logging.Abstractions": "[2.2.0, )",
-          "Speckle.Objects": "[3.1.0-dev.146, )"
+          "Speckle.Objects": "[3.1.7, )"
         }
       },
       "Microsoft.Extensions.DependencyInjection": {
@@ -354,38 +340,43 @@
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       },
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+      },
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         "dependencies": {
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+          "Speckle.Sdk": "3.1.7"
         }
       },
       "Speckle.Sdk": {
         "type": "CentralTransitive",
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           "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
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-          "Polly.Extensions.Http": "3.0.0",
-          "Speckle.DoubleNumerics": "4.0.1",
-          "Speckle.Newtonsoft.Json": "13.0.2"
+          "Speckle.DoubleNumerics": "4.1.0",
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         }
       },
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       }
     }
   }

Connectors/Autocad/Speckle.Connectors.Civil3d2025/Speckle.Connectors.Civil3d2025.csproj

@@ -0,0 +1,29 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net8.0-windows</TargetFramework>
+    <PlatformTarget>x64</PlatformTarget>
+    <UseWpf>true</UseWpf>
+    <Civil3DVersion>2025</Civil3DVersion>
+    <DefineConstants>$(DefineConstants);CIVIL3D2025;CIVIL3D;CIVIL3D2022_OR_GREATER;CIVIL3D2023_OR_GREATER;CIVIL3D2024_OR_GREATER;CIVIL3D2025_OR_GREATER</DefineConstants>
+    <Configurations>Debug;Release;Local</Configurations>
+    <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
+    <RuntimeIdentifier>win-x64</RuntimeIdentifier> <!-- .NET Core uses this to move native dependencies into a root for runtime selection and usage for non-windows development https://learn.microsoft.com/en-us/dotnet/core/project-sdk/msbuild-props#enablewindowstargeting -->
+    <StartAction>Program</StartAction>
+    <StartProgram>$(ProgramW6432)\Autodesk\AutoCAD $(Civil3DVersion)\acad.exe</StartProgram>
+  </PropertyGroup>
+  
+  <ItemGroup>
+    <PackageReference Include="Speckle.AutoCAD.API" VersionOverride="2025.0.0" ExcludeAssets="runtime"/>
+    <PackageReference Include="Speckle.Civil3d.API" VersionOverride="2025.0.0" ExcludeAssets="runtime"/>
+  </ItemGroup>  
+  
+  <ItemGroup>   
+    <ProjectReference Include="..\..\..\Converters\Civil3d\Speckle.Converters.Civil3d2025\Speckle.Converters.Civil3d2025.csproj" />
+    <ProjectReference Include="..\..\..\DUI3\Speckle.Connectors.DUI.WebView\Speckle.Connectors.DUI.WebView.csproj" />
+    <ProjectReference Include="..\..\..\Sdk\Speckle.Converters.Common\Speckle.Converters.Common.csproj" />
+  </ItemGroup>
+  
+  <Import Project="..\Speckle.Connectors.Civil3dShared\Speckle.Connectors.Civil3dShared.projitems" Label="Shared" />
+  
+  <Import Project="..\Speckle.Connectors.AutocadShared\Speckle.Connectors.AutocadShared.projitems" Label="Shared" />
+</Project>

Connectors/Autocad/Speckle.Connectors.Civil3d2025/packages.lock.json

@@ -0,0 +1,352 @@
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+        "resolved": "2025.0.0",
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+      },
+      "Speckle.Civil3D.API": {
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+        "dependencies": {
+          "Speckle.AutoCAD.API": "2025.0.0"
+        }
+      },
+      "Speckle.InterfaceGenerator": {
+        "type": "Direct",
+        "requested": "[0.9.6, )",
+        "resolved": "0.9.6",
+        "contentHash": "HKH7tYrYYlCK1ct483hgxERAdVdMtl7gUKW9ijWXxA1UsYR4Z+TrRHYmzZ9qmpu1NnTycSrp005NYM78GDKV1w=="
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+          "System.Reactive": "5.0.0"
+        }
+      },
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+        }
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+        }
+      },
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+        "type": "Project",
+        "dependencies": {
+          "Microsoft.Web.WebView2": "[1.0.1938.49, )",
+          "Speckle.Connectors.DUI": "[1.0.0, )"
+        }
+      },
+      "speckle.connectors.logging": {
+        "type": "Project"
+      },
+      "speckle.converters.civil3d2025": {
+        "type": "Project",
+        "dependencies": {
+          "Speckle.AutoCAD.API": "[2025.0.0, )",
+          "Speckle.Civil3d.API": "[2025.0.0, )",
+          "Speckle.Connectors.DUI.WebView": "[1.0.0, )",
+          "Speckle.Converters.Common": "[1.0.0, )"
+        }
+      },
+      "speckle.converters.common": {
+        "type": "Project",
+        "dependencies": {
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+          "Speckle.Objects": "[3.1.7, )"
+        }
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+      },
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+        "dependencies": {
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+        }
+      },
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+        "dependencies": {
+          "GraphQL.Client": "6.0.0",
+          "Microsoft.CSharp": "4.7.0",
+          "Microsoft.Data.Sqlite": "7.0.5",
+          "Microsoft.Extensions.DependencyInjection.Abstractions": "2.2.0",
+          "Microsoft.Extensions.Logging": "2.2.0",
+          "Speckle.DoubleNumerics": "4.1.0",
+          "Speckle.Newtonsoft.Json": "13.0.2",
+          "Speckle.Sdk.Dependencies": "3.1.7"
+        }
+      },
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+      }
+    },
+    "net8.0-windows7.0/win-x64": {
+      "SQLitePCLRaw.lib.e_sqlite3": {
+        "type": "Transitive",
+        "resolved": "2.1.4",
+        "contentHash": "2C9Q9eX7CPLveJA0rIhf9RXAvu+7nWZu1A2MdG6SD/NOu26TakGgL1nsbc0JAspGijFOo3HoN79xrx8a368fBg=="
+      },
+      "Microsoft.Web.WebView2": {
+        "type": "CentralTransitive",
+        "requested": "[1.0.1938.49, )",
+        "resolved": "1.0.1938.49",
+        "contentHash": "z8KnFnaTYzhA/ZnyRX0qGfS1NU5ZBJeClAH64F0fVDvdDJTvME7xl6zTJ0Jlfe1BtL3C0NH9xTy64shg2baKdw=="
+      }
+    }
+  }
+}

Connectors/Autocad/Speckle.Connectors.Civil3dShared/Bindings/Civil3dReceiveBinding.cs

@@ -0,0 +1,60 @@
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using Speckle.Connectors.Autocad.Bindings;
+using Speckle.Connectors.Common.Cancellation;
+using Speckle.Connectors.Common.Threading;
+using Speckle.Connectors.DUI.Bindings;
+using Speckle.Connectors.DUI.Bridge;
+using Speckle.Connectors.DUI.Models;
+using Speckle.Converters.Autocad;
+using Speckle.Converters.Civil3dShared;
+using Speckle.Converters.Common;
+using Speckle.Sdk;
+
+namespace Speckle.Connectors.Civil3dShared.Bindings;
+
+public sealed class Civil3dReceiveBinding : AutocadReceiveBaseBinding
+{
+  private readonly ICivil3dConversionSettingsFactory _civil3dConversionSettingsFactory;
+  private readonly IAutocadConversionSettingsFactory _autocadConversionSettingsFactory;
+
+  public Civil3dReceiveBinding(
+    DocumentModelStore store,
+    IBrowserBridge parent,
+    ICancellationManager cancellationManager,
+    IServiceProvider serviceProvider,
+    IOperationProgressManager operationProgressManager,
+    ILogger<AutocadReceiveBinding> logger,
+    ICivil3dConversionSettingsFactory civil3dConversionSettingsFactory,
+    IAutocadConversionSettingsFactory autocadConversionSettingsFactory,
+    ISpeckleApplication speckleApplication,
+    IThreadContext threadContext
+  )
+    : base(
+      store,
+      parent,
+      cancellationManager,
+      serviceProvider,
+      operationProgressManager,
+      logger,
+      speckleApplication,
+      threadContext
+    )
+  {
+    _civil3dConversionSettingsFactory = civil3dConversionSettingsFactory;
+    _autocadConversionSettingsFactory = autocadConversionSettingsFactory;
+  }
+
+  // POC: we're registering the conversion settings for autocad here because we need the autocad conversion settings to be able to use the autocad typed converters.
+  // POC: We need a separate receive binding for civil3d due to using a different unit converter (needed for conversion settings construction)
+  protected override void InitializeSettings(IServiceProvider serviceProvider)
+  {
+    serviceProvider
+      .GetRequiredService<IConverterSettingsStore<Civil3dConversionSettings>>()
+      .Initialize(_civil3dConversionSettingsFactory.Create(Application.DocumentManager.CurrentDocument));
+
+    serviceProvider
+      .GetRequiredService<IConverterSettingsStore<AutocadConversionSettings>>()
+      .Initialize(_autocadConversionSettingsFactory.Create(Application.DocumentManager.CurrentDocument));
+  }
+}

Connectors/Autocad/Speckle.Connectors.Civil3dShared/Bindings/Civil3dSendBinding.cs

@@ -0,0 +1,70 @@
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using Speckle.Connectors.Autocad.Bindings;
+using Speckle.Connectors.Common.Caching;
+using Speckle.Connectors.Common.Cancellation;
+using Speckle.Connectors.Common.Threading;
+using Speckle.Connectors.DUI.Bindings;
+using Speckle.Connectors.DUI.Bridge;
+using Speckle.Connectors.DUI.Models;
+using Speckle.Connectors.DUI.Models.Card.SendFilter;
+using Speckle.Converters.Autocad;
+using Speckle.Converters.Civil3dShared;
+using Speckle.Converters.Common;
+using Speckle.Sdk;
+
+namespace Speckle.Connectors.Civil3dShared.Bindings;
+
+public sealed class Civil3dSendBinding : AutocadSendBaseBinding
+{
+  private readonly ICivil3dConversionSettingsFactory _civil3dConversionSettingsFactory;
+  private readonly IAutocadConversionSettingsFactory _autocadConversionSettingsFactory;
+
+  public Civil3dSendBinding(
+    DocumentModelStore store,
+    IBrowserBridge parent,
+    IEnumerable<ISendFilter> sendFilters,
+    ICancellationManager cancellationManager,
+    IServiceProvider serviceProvider,
+    ISendConversionCache sendConversionCache,
+    IOperationProgressManager operationProgressManager,
+    ILogger<AutocadSendBinding> logger,
+    ICivil3dConversionSettingsFactory civil3dConversionSettingsFactory,
+    IAutocadConversionSettingsFactory autocadConversionSettingsFactory,
+    ISpeckleApplication speckleApplication,
+    IThreadContext threadContext,
+    ITopLevelExceptionHandler topLevelExceptionHandler,
+    IAppIdleManager appIdleManager
+  )
+    : base(
+      store,
+      parent,
+      sendFilters,
+      cancellationManager,
+      serviceProvider,
+      sendConversionCache,
+      operationProgressManager,
+      logger,
+      speckleApplication,
+      threadContext,
+      topLevelExceptionHandler,
+      appIdleManager
+    )
+  {
+    _civil3dConversionSettingsFactory = civil3dConversionSettingsFactory;
+    _autocadConversionSettingsFactory = autocadConversionSettingsFactory;
+  }
+
+  // POC: we're registering the conversion settings for autocad here because we need the autocad conversion settings to be able to use the autocad typed converters.
+  // POC: We need a separate send binding for civil3d due to using a different unit converter (needed for conversion settings construction)
+  protected override void InitializeSettings(IServiceProvider serviceProvider)
+  {
+    serviceProvider
+      .GetRequiredService<IConverterSettingsStore<Civil3dConversionSettings>>()
+      .Initialize(_civil3dConversionSettingsFactory.Create(Application.DocumentManager.CurrentDocument));
+
+    serviceProvider
+      .GetRequiredService<IConverterSettingsStore<AutocadConversionSettings>>()
+      .Initialize(_autocadConversionSettingsFactory.Create(Application.DocumentManager.CurrentDocument));
+  }
+}

Connectors/Autocad/Speckle.Connectors.Civil3dShared/DependencyInjection/Civil3dConnectorModule.cs

@@ -0,0 +1,35 @@
+using System.Reflection;
+using Microsoft.Extensions.DependencyInjection;
+using Speckle.Connectors.Autocad.DependencyInjection;
+using Speckle.Connectors.Autocad.Operations.Send;
+using Speckle.Connectors.Civil3dShared.Bindings;
+using Speckle.Connectors.Civil3dShared.Operations.Send;
+using Speckle.Connectors.Common.Builders;
+using Speckle.Connectors.DUI.Bindings;
+using Speckle.Converters.Civil3dShared.ToSpeckle;
+using Speckle.Sdk;
+
+namespace Speckle.Connectors.Civil3dShared.DependencyInjection;
+
+public static class Civil3dConnectorModule
+{
+  public static void AddCivil3d(this IServiceCollection serviceCollection)
+  {
+    serviceCollection.AddAutocadBase();
+
+    // add send
+    serviceCollection.LoadSend();
+    serviceCollection.AddScoped<IRootObjectBuilder<AutocadRootObject>, Civil3dRootObjectBuilder>();
+    serviceCollection.AddSingleton<IBinding, Civil3dSendBinding>();
+
+    // add receive
+    serviceCollection.LoadReceive();
+    serviceCollection.AddSingleton<IBinding, Civil3dReceiveBinding>();
+
+    // additional classes
+    serviceCollection.AddScoped<PropertySetDefinitionHandler>();
+
+    // automatically detects the Class:IClass interface pattern to register all generated interfaces
+    serviceCollection.AddMatchingInterfacesAsTransient(Assembly.GetExecutingAssembly());
+  }
+}

Connectors/Autocad/Speckle.Connectors.Civil3dShared/Operations/Send/Civil3dRootObjectBuilder.cs

@@ -0,0 +1,57 @@
+using Autodesk.AutoCAD.DatabaseServices;
+using Microsoft.Extensions.Logging;
+using Speckle.Connectors.Autocad.HostApp;
+using Speckle.Connectors.Autocad.Operations.Send;
+using Speckle.Connectors.Common.Caching;
+using Speckle.Connectors.Common.Operations;
+using Speckle.Converters.Civil3dShared.ToSpeckle;
+using Speckle.Converters.Common;
+using Speckle.Sdk.Logging;
+using Speckle.Sdk.Models.Collections;
+
+namespace Speckle.Connectors.Civil3dShared.Operations.Send;
+
+public sealed class Civil3dRootObjectBuilder : AutocadRootObjectBaseBuilder
+{
+  private readonly AutocadLayerUnpacker _layerUnpacker;
+  private readonly PropertySetDefinitionHandler _propertySetDefinitionHandler;
+
+  public Civil3dRootObjectBuilder(
+    AutocadLayerUnpacker layerUnpacker,
+    PropertySetDefinitionHandler propertySetDefinitionHandler,
+    IRootToSpeckleConverter converter,
+    ISendConversionCache sendConversionCache,
+    AutocadInstanceUnpacker instanceObjectManager,
+    AutocadMaterialUnpacker materialUnpacker,
+    AutocadColorUnpacker colorUnpacker,
+    AutocadGroupUnpacker groupUnpacker,
+    ILogger<AutocadRootObjectBuilder> logger,
+    ISdkActivityFactory activityFactory
+  )
+    : base(
+      converter,
+      sendConversionCache,
+      instanceObjectManager,
+      materialUnpacker,
+      colorUnpacker,
+      groupUnpacker,
+      logger,
+      activityFactory
+    )
+  {
+    _layerUnpacker = layerUnpacker;
+    _propertySetDefinitionHandler = propertySetDefinitionHandler;
+  }
+
+  public override (Collection, LayerTableRecord?) CreateObjectCollection(Entity entity, Transaction tr)
+  {
+    Layer layer = _layerUnpacker.GetOrCreateSpeckleLayer(entity, tr, out LayerTableRecord? autocadLayer);
+
+    return (layer, autocadLayer);
+  }
+
+  public override void AddAdditionalProxiesToRoot(Collection rootObject)
+  {
+    rootObject[ProxyKeys.PROPERTYSET_DEFINITIONS] = _propertySetDefinitionHandler.Definitions;
+  }
+}

Connectors/Autocad/Speckle.Connectors.Civil3dShared/Speckle.Connectors.Civil3dShared.projitems

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
+    <HasSharedItems>true</HasSharedItems>
+    <SharedGUID>55E65D72-2FE8-4E61-891C-16A4D551CCF7</SharedGUID>
+  </PropertyGroup>
+  <PropertyGroup Label="Configuration">
+    <Import_RootNamespace>Speckle.Connectors.Civil3dShared</Import_RootNamespace>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="$(MSBuildThisFileDirectory)Bindings\Civil3dReceiveBinding.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)DependencyInjection\Civil3dConnectorModule.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Operations\Send\Civil3dRootObjectBuilder.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Bindings\Civil3dSendBinding.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <Folder Include="$(MSBuildThisFileDirectory)DependencyInjection\" />
+    <Folder Include="$(MSBuildThisFileDirectory)Operations\Send\" />
+  </ItemGroup>
+</Project>

Connectors/Autocad/Speckle.Connectors.Civil3dShared/Speckle.Connectors.Civil3dShared.shproj

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{EFD01520-93E8-4CCA-8E03-9CDC635F55F4}</ProjectGuid>
+  </PropertyGroup>
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\CodeSharing\Microsoft.CodeSharing.Common.Default.props" />
+  <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\CodeSharing\Microsoft.CodeSharing.Common.props" />
+  <Import Project="Speckle.Connectors.Civil3dShared.projitems" Label="Shared" />
+  <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\CodeSharing\Microsoft.CodeSharing.CSharp.targets" />
+</Project>

Connectors/CSi/Speckle.Connectors.CSiShared/Bindings/CsiSharedBasicConnectorBinding.cs

@@ -0,0 +1,74 @@
+using Speckle.Connectors.Common.Threading;
+using Speckle.Connectors.DUI.Bindings;
+using Speckle.Connectors.DUI.Bridge;
+using Speckle.Connectors.DUI.Models;
+using Speckle.Connectors.DUI.Models.Card;
+using Speckle.Sdk;
+
+namespace Speckle.Connectors.CSiShared.Bindings;
+
+public class CsiSharedBasicConnectorBinding : IBasicConnectorBinding
+{
+  private readonly ISpeckleApplication _speckleApplication;
+  private readonly DocumentModelStore _store;
+  private readonly ITopLevelExceptionHandler _topLevelExceptionHandler;
+  private readonly IThreadContext _threadContext;
+  public string Name => "baseBinding";
+  public IBrowserBridge Parent { get; }
+  public BasicConnectorBindingCommands Commands { get; }
+
+  public CsiSharedBasicConnectorBinding(
+    IBrowserBridge parent,
+    ISpeckleApplication speckleApplication,
+    DocumentModelStore store,
+    ITopLevelExceptionHandler topLevelExceptionHandler,
+    IThreadContext threadContext
+  )
+  {
+    _threadContext = threadContext;
+    Parent = parent;
+    _speckleApplication = speckleApplication;
+    _store = store;
+    _topLevelExceptionHandler = topLevelExceptionHandler;
+    Commands = new BasicConnectorBindingCommands(Parent);
+
+    _store.DocumentChanged += (_, _) =>
+      _topLevelExceptionHandler.FireAndForget(async () =>
+      {
+        // enforce main thread
+        await _threadContext.RunOnMainAsync(async () =>
+        {
+          await Commands.NotifyDocumentChanged();
+        });
+      });
+  }
+
+  public string GetConnectorVersion() => _speckleApplication.SpeckleVersion;
+
+  public string GetSourceApplicationName() => _speckleApplication.Slug;
+
+  public string GetSourceApplicationVersion() => _speckleApplication.HostApplicationVersion;
+
+  public DocumentInfo? GetDocumentInfo() => new("ETABS Model", "ETABS Model", "1");
+
+  public DocumentModelStore GetDocumentState() => _store;
+
+  /// <remarks>Operations must run on the main thread for ETABS and SAP 2000</remarks>
+  public void AddModel(ModelCard model) =>
+    _topLevelExceptionHandler.CatchUnhandled(() => _threadContext.RunOnThread(() => _store.AddModel(model), true));
+
+  /// <remarks>Operations must run on the main thread for ETABS and SAP 2000</remarks>
+  public void UpdateModel(ModelCard model) =>
+    _topLevelExceptionHandler.CatchUnhandled(() => _threadContext.RunOnThread(() => _store.UpdateModel(model), true));
+
+  /// <remarks>Operations must run on the main thread for ETABS and SAP 2000</remarks>
+  public void RemoveModel(ModelCard model) =>
+    _topLevelExceptionHandler.CatchUnhandled(() => _threadContext.RunOnThread(() => _store.RemoveModel(model), true));
+
+  public void RemoveModels(List<ModelCard> models) =>
+    _topLevelExceptionHandler.CatchUnhandled(() => _threadContext.RunOnThread(() => _store.RemoveModels(models), true));
+
+  public Task HighlightModel(string modelCardId) => Task.CompletedTask;
+
+  public Task HighlightObjects(IReadOnlyList<string> objectIds) => Task.CompletedTask;
+}

Connectors/CSi/Speckle.Connectors.CSiShared/Bindings/CsiSharedSelectionBinding.cs

@@ -0,0 +1,108 @@
+using Speckle.Connectors.Common.Threading;
+using Speckle.Connectors.CSiShared.HostApp;
+using Speckle.Connectors.CSiShared.Utils;
+using Speckle.Connectors.DUI.Bindings;
+using Speckle.Connectors.DUI.Bridge;
+using Speckle.Converters.CSiShared.Utils;
+using Timer = System.Timers.Timer;
+
+namespace Speckle.Connectors.CSiShared.Bindings;
+
+public class CsiSharedSelectionBinding : ISelectionBinding, IDisposable
+{
+  private bool _disposed;
+  private readonly Timer _selectionTimer;
+  private readonly ICsiApplicationService _csiApplicationService;
+  private readonly IThreadContext _threadContext;
+  private HashSet<string> _lastSelection = new();
+  private readonly ITopLevelExceptionHandler _topLevelExceptionHandler;
+
+  public IBrowserBridge Parent { get; }
+  public string Name => "selectionBinding";
+
+  public CsiSharedSelectionBinding(
+    IBrowserBridge parent,
+    ICsiApplicationService csiApplicationService,
+    ITopLevelExceptionHandler topLevelExceptionHandler,
+    IThreadContext threadContext
+  )
+  {
+    _threadContext = threadContext;
+    Parent = parent;
+    _csiApplicationService = csiApplicationService;
+    _topLevelExceptionHandler = topLevelExceptionHandler;
+
+    _selectionTimer = new Timer(1000);
+    _selectionTimer.Elapsed += (_, _) =>
+      _topLevelExceptionHandler.CatchUnhandled(() => _threadContext.RunOnMain(CheckSelectionChanged));
+    _selectionTimer.Start();
+  }
+
+  private void CheckSelectionChanged()
+  {
+    // timer callbacks are on a background thread, but CSI API calls must be on main thread
+    var currentSelection = GetSelection();
+    var currentIds = new HashSet<string>(currentSelection.SelectedObjectIds);
+
+    if (!_lastSelection.SetEquals(currentIds))
+    {
+      _lastSelection = currentIds;
+      // ensure UI updates also run on main thread
+      _threadContext.RunOnMain(
+        () =>
+          _topLevelExceptionHandler.CatchUnhandled(
+            () => Parent.Send(SelectionBindingEvents.SET_SELECTION, currentSelection)
+          )
+      );
+    }
+  }
+
+  protected virtual void Dispose(bool disposing)
+  {
+    if (!_disposed)
+    {
+      if (disposing)
+      {
+        _selectionTimer?.Dispose();
+      }
+      _disposed = true;
+    }
+  }
+
+  public void Dispose()
+  {
+    Dispose(true);
+    GC.SuppressFinalize(this);
+  }
+
+  /// <summary>
+  /// Gets the selection and creates an encoded ID (objectType and objectName).
+  /// </summary>
+  /// <remarks>
+  /// Refer to ObjectIdentifier.cs for more info.
+  /// </remarks>
+  public SelectionInfo GetSelection()
+  {
+    int numberItems = 0;
+    int[] objectType = [];
+    string[] objectName = [];
+
+    _csiApplicationService.SapModel.SelectObj.GetSelected(ref numberItems, ref objectType, ref objectName);
+
+    var encodedIds = new List<string>(numberItems);
+    var typeCounts = new Dictionary<string, int>();
+    for (int i = 0; i < numberItems; i++)
+    {
+      var typeKey = (ModelObjectType)objectType[i];
+      var typeName = typeKey.ToString();
+      encodedIds.Add(ObjectIdentifier.Encode(objectType[i], objectName[i]));
+      typeCounts[typeName] = (typeCounts.TryGetValue(typeName, out var count) ? count : 0) + 1; // NOTE: Cross-framework compatibility (net 48 and net8)
+    }
+    var summary =
+      encodedIds.Count == 0
+        ? "No objects selected."
+        : $"{encodedIds.Count} objects ({string.Join(", ", 
+            typeCounts.Select(kv => $"{kv.Value} {kv.Key}"))})";
+    return new SelectionInfo(encodedIds, summary);
+  }
+}

Connectors/CSi/Speckle.Connectors.CSiShared/Bindings/CsiSharedSendBinding.cs

@@ -0,0 +1,132 @@
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using Speckle.Connectors.Common.Cancellation;
+using Speckle.Connectors.Common.Operations;
+using Speckle.Connectors.CSiShared.HostApp;
+using Speckle.Connectors.CSiShared.Utils;
+using Speckle.Connectors.DUI.Bindings;
+using Speckle.Connectors.DUI.Bridge;
+using Speckle.Connectors.DUI.Exceptions;
+using Speckle.Connectors.DUI.Logging;
+using Speckle.Connectors.DUI.Models;
+using Speckle.Connectors.DUI.Models.Card;
+using Speckle.Connectors.DUI.Models.Card.SendFilter;
+using Speckle.Connectors.DUI.Settings;
+using Speckle.Converters.Common;
+using Speckle.Converters.CSiShared;
+using Speckle.Sdk;
+using Speckle.Sdk.Common;
+using Speckle.Sdk.Logging;
+
+namespace Speckle.Connectors.CSiShared.Bindings;
+
+public sealed class CsiSharedSendBinding : ISendBinding
+{
+  public string Name => "sendBinding";
+  public SendBindingUICommands Commands { get; }
+  public IBrowserBridge Parent { get; }
+
+  private readonly DocumentModelStore _store;
+  private readonly IServiceProvider _serviceProvider;
+  private readonly List<ISendFilter> _sendFilters;
+  private readonly ICancellationManager _cancellationManager;
+  private readonly IOperationProgressManager _operationProgressManager;
+  private readonly ILogger<CsiSharedSendBinding> _logger;
+  private readonly ICsiApplicationService _csiApplicationService;
+  private readonly ICsiConversionSettingsFactory _csiConversionSettingsFactory;
+  private readonly ISpeckleApplication _speckleApplication;
+  private readonly ISdkActivityFactory _activityFactory;
+
+  public CsiSharedSendBinding(
+    DocumentModelStore store,
+    IBrowserBridge parent,
+    IEnumerable<ISendFilter> sendFilters,
+    IServiceProvider serviceProvider,
+    ICancellationManager cancellationManager,
+    IOperationProgressManager operationProgressManager,
+    ILogger<CsiSharedSendBinding> logger,
+    ICsiConversionSettingsFactory csiConversionSettingsFactory,
+    ISpeckleApplication speckleApplication,
+    ISdkActivityFactory activityFactory,
+    ICsiApplicationService csiApplicationService
+  )
+  {
+    _store = store;
+    _serviceProvider = serviceProvider;
+    _sendFilters = sendFilters.ToList();
+    _cancellationManager = cancellationManager;
+    _operationProgressManager = operationProgressManager;
+    _logger = logger;
+    Parent = parent;
+    Commands = new SendBindingUICommands(parent);
+    _csiConversionSettingsFactory = csiConversionSettingsFactory;
+    _speckleApplication = speckleApplication;
+    _activityFactory = activityFactory;
+    _csiApplicationService = csiApplicationService;
+  }
+
+  public List<ISendFilter> GetSendFilters() => _sendFilters;
+
+  public List<ICardSetting> GetSendSettings() => [];
+
+  public async Task Send(string modelCardId)
+  {
+    using var activity = _activityFactory.Start();
+
+    try
+    {
+      if (_store.GetModelById(modelCardId) is not SenderModelCard modelCard)
+      {
+        throw new InvalidOperationException("No publish model card was found.");
+      }
+      using var scope = _serviceProvider.CreateScope();
+      scope
+        .ServiceProvider.GetRequiredService<IConverterSettingsStore<CsiConversionSettings>>()
+        .Initialize(_csiConversionSettingsFactory.Create(_csiApplicationService.SapModel));
+
+      using var cancellationItem = _cancellationManager.GetCancellationItem(modelCardId);
+
+      List<ICsiWrapper> wrappers = modelCard
+        .SendFilter.NotNull()
+        .RefreshObjectIds()
+        .Select(DecodeObjectIdentifier)
+        .ToList();
+
+      if (wrappers.Count == 0)
+      {
+        throw new SpeckleSendFilterException("No objects were found to convert. Please update your publish filter!");
+      }
+
+      var sendResult = await scope
+        .ServiceProvider.GetRequiredService<SendOperation<ICsiWrapper>>()
+        .Execute(
+          wrappers,
+          modelCard.GetSendInfo(_speckleApplication.ApplicationAndVersion),
+          _operationProgressManager.CreateOperationProgressEventHandler(Parent, modelCardId, cancellationItem.Token),
+          cancellationItem.Token
+        );
+
+      await Commands.SetModelSendResult(modelCardId, sendResult.RootObjId, sendResult.ConversionResults);
+    }
+    catch (OperationCanceledException)
+    {
+      return;
+    }
+    catch (Exception ex) when (!ex.IsFatal())
+    {
+      _logger.LogModelCardHandledError(ex);
+      await Commands.SetModelError(modelCardId, ex);
+    }
+  }
+
+  private ICsiWrapper DecodeObjectIdentifier(string encodedId)
+  {
+    var (type, name) = ObjectIdentifier.Decode(encodedId);
+    return CsiWrapperFactory.Create(type, name);
+  }
+
+  public void CancelSend(string modelCardId)
+  {
+    _cancellationManager.CancelOperation(modelCardId);
+  }
+}

Connectors/CSi/Speckle.Connectors.CSiShared/Filters/CsiSharedSelectionFilter.cs

@@ -0,0 +1,13 @@
+using Speckle.Connectors.DUI.Models.Card.SendFilter;
+
+namespace Speckle.Connectors.CSiShared.Filters;
+
+public class CsiSharedSelectionFilter : DirectSelectionSendFilter
+{
+  public CsiSharedSelectionFilter()
+  {
+    IsDefault = true;
+  }
+
+  public override List<string> RefreshObjectIds() => SelectedObjectIds;
+}

Connectors/CSi/Speckle.Connectors.CSiShared/GlobalUsing.cs

@@ -0,0 +1 @@
+global using CSiAPIv1;

Connectors/CSi/Speckle.Connectors.CSiShared/HostApp/CsiApplicationService.cs

@@ -0,0 +1,16 @@
+namespace Speckle.Connectors.CSiShared.HostApp;
+
+/// <summary>
+/// Create a centralized access point for ETABS and SAP APIs across the entire program.
+/// </summary>
+/// <remarks>
+/// All API methods are based on the objectType and objectName, not the GUID.
+/// CSi is already giving us the "sapModel" reference through the plugin interface. No need to attach to running instance.
+/// Since objectType is a single int (1, 2 ... 7) we know first index will always be the objectType.
+/// Prevent having to pass the "sapModel" around between classes and this ensures consistent access.
+/// Name "sapModel" is misleading since it doesn't only apply to SAP2000, but this is the convention in the API, so we keep it.
+/// </remarks>
+public interface ICsiApplicationService
+{
+  cSapModel SapModel { get; }
+}

Connectors/CSi/Speckle.Connectors.CSiShared/HostApp/CsiDocumentModelStore.cs

@@ -0,0 +1,156 @@
+using System.IO;
+using Microsoft.Extensions.Logging;
+using Speckle.Connectors.Common.Threading;
+using Speckle.Connectors.DUI.Bridge;
+using Speckle.Connectors.DUI.Models;
+using Speckle.Connectors.DUI.Utils;
+using Speckle.Sdk;
+using Speckle.Sdk.Helpers;
+using Speckle.Sdk.Logging;
+using Timer = System.Timers.Timer;
+
+namespace Speckle.Connectors.CSiShared.HostApp;
+
+public class CsiDocumentModelStore : DocumentModelStore, IDisposable
+{
+  private readonly ISpeckleApplication _speckleApplication;
+  private readonly ILogger<CsiDocumentModelStore> _logger;
+  private readonly ICsiApplicationService _csiApplicationService;
+  private readonly ITopLevelExceptionHandler _topLevelExceptionHandler;
+  private readonly IThreadContext _threadContext;
+  private readonly Timer _modelCheckTimer;
+  private string _lastModelFilename = string.Empty;
+  private bool _disposed;
+  private string HostAppUserDataPath { get; set; }
+  private string DocumentStateFile { get; set; }
+  private string ModelPathHash { get; set; }
+
+  public CsiDocumentModelStore(
+    IJsonSerializer jsonSerializer,
+    ISpeckleApplication speckleApplication,
+    ILogger<CsiDocumentModelStore> logger,
+    ICsiApplicationService csiApplicationService,
+    ITopLevelExceptionHandler topLevelExceptionHandler,
+    IThreadContext threadContext
+  )
+    : base(jsonSerializer)
+  {
+    _threadContext = threadContext;
+    _speckleApplication = speckleApplication;
+    _logger = logger;
+    _csiApplicationService = csiApplicationService;
+    _topLevelExceptionHandler = topLevelExceptionHandler;
+
+    // initialize timer to check for model changes
+    _modelCheckTimer = new Timer(1000);
+
+    // timer runs on background thread but model checks must be on main thread
+    _modelCheckTimer.Elapsed += (_, _) =>
+      _topLevelExceptionHandler.CatchUnhandled(() => _threadContext.RunOnMain(CheckModelChanges));
+    _modelCheckTimer.Start();
+  }
+
+  private void CheckModelChanges()
+  {
+    string currentFilename = _csiApplicationService.SapModel.GetModelFilename();
+
+    if (string.IsNullOrEmpty(currentFilename) || currentFilename == _lastModelFilename)
+    {
+      return;
+    }
+
+    _lastModelFilename = currentFilename;
+    SetPaths();
+    LoadState();
+    OnDocumentChanged();
+  }
+
+  public override Task OnDocumentStoreInitialized()
+  {
+    var currentFilename = _csiApplicationService.SapModel.GetModelFilename();
+    if (!string.IsNullOrEmpty(currentFilename))
+    {
+      _lastModelFilename = currentFilename;
+      SetPaths();
+      LoadState();
+    }
+    return Task.CompletedTask;
+  }
+
+  private void SetPaths()
+  {
+    try
+    {
+      ModelPathHash = Crypt.Md5(_csiApplicationService.SapModel.GetModelFilename(), length: 32);
+      HostAppUserDataPath = Path.Combine(
+        SpecklePathProvider.UserSpeckleFolderPath,
+        "ConnectorsFileData",
+        _speckleApplication.Slug
+      );
+      DocumentStateFile = Path.Combine(HostAppUserDataPath, $"{ModelPathHash}.json");
+      _logger.LogDebug($"Paths set - Hash: {ModelPathHash}, File: {DocumentStateFile}");
+    }
+    catch (Exception ex) when (!ex.IsFatal())
+    {
+      _logger.LogError(ex, "Error in setting paths for CsiDocumentModelStore");
+    }
+  }
+
+  protected override void HostAppSaveState(string modelCardState)
+  {
+    try
+    {
+      if (!Directory.Exists(HostAppUserDataPath))
+      {
+        Directory.CreateDirectory(HostAppUserDataPath);
+      }
+
+      File.WriteAllText(DocumentStateFile, modelCardState);
+    }
+    catch (Exception ex) when (!ex.IsFatal())
+    {
+      _logger.LogError(ex, "Failed to save state");
+    }
+  }
+
+  protected override void LoadState()
+  {
+    try
+    {
+      if (!File.Exists(DocumentStateFile))
+      {
+        ClearAndSave();
+        return;
+      }
+
+      string serializedState = File.ReadAllText(DocumentStateFile);
+      LoadFromString(serializedState);
+    }
+    catch (Exception ex) when (!ex.IsFatal())
+    {
+      _logger.LogError(ex, "Failed to load state, initializing empty state");
+      ClearAndSave();
+    }
+  }
+
+  protected virtual void Dispose(bool disposing)
+  {
+    if (_disposed)
+    {
+      return;
+    }
+
+    if (disposing)
+    {
+      _modelCheckTimer.Dispose();
+    }
+
+    _disposed = true;
+  }
+
+  public void Dispose()
+  {
+    Dispose(true);
+    GC.SuppressFinalize(this);
+  }
+}

Connectors/CSi/Speckle.Connectors.CSiShared/HostApp/CsiSendCollectionManager.cs

@@ -0,0 +1,43 @@
+using Speckle.Converters.Common;
+using Speckle.Converters.CSiShared;
+using Speckle.Sdk.Models;
+using Speckle.Sdk.Models.Collections;
+
+namespace Speckle.Connectors.CSiShared.HostApp;
+
+/// <summary>
+/// We can use the CSiWrappers to create our collection structure.
+/// </summary>
+/// <remarks>
+/// This class manages the collections. If the key (from the path) already exists, this collection is returned.
+/// If it doesn't exist, a new collection is created and added to the rootObject.
+/// </remarks>
+public class CsiSendCollectionManager
+{
+  protected IConverterSettingsStore<CsiConversionSettings> ConverterSettings { get; }
+  protected Dictionary<string, Collection> CollectionCache { get; } = new();
+
+  public CsiSendCollectionManager(IConverterSettingsStore<CsiConversionSettings> converterSettings)
+  {
+    ConverterSettings = converterSettings;
+  }
+
+  public virtual Collection AddObjectCollectionToRoot(Base convertedObject, Collection rootObject)
+  {
+    var path = GetCollectionPath(convertedObject);
+
+    if (CollectionCache.TryGetValue(path, out Collection? collection))
+    {
+      return collection;
+    }
+
+    Collection childCollection = CreateCollection(convertedObject);
+    rootObject.elements.Add(childCollection);
+    CollectionCache[path] = childCollection;
+    return childCollection;
+  }
+
+  protected virtual string GetCollectionPath(Base convertedObject) => convertedObject["type"]?.ToString() ?? "Unknown";
+
+  protected virtual Collection CreateCollection(Base convertedObject) => new(GetCollectionPath(convertedObject));
+}

Connectors/CSi/Speckle.Connectors.CSiShared/HostApp/Helpers/CsiFrameSectionPropertyExtractor.cs

@@ -0,0 +1,115 @@
+using Speckle.Converters.Common;
+using Speckle.Converters.CSiShared;
+using Speckle.Converters.CSiShared.Utils;
+
+namespace Speckle.Connectors.CSiShared.HostApp.Helpers;
+
+/// <summary>
+/// Base frame section property extractor for CSi products.
+/// </summary>
+/// <remarks>
+/// Handles common Csi API calls for frame section properties
+/// Provides foundation for application-specific extractors.
+/// </remarks>
+public class CsiFrameSectionPropertyExtractor : IFrameSectionPropertyExtractor
+{
+  private readonly IConverterSettingsStore<CsiConversionSettings> _settingsStore;
+
+  public CsiFrameSectionPropertyExtractor(IConverterSettingsStore<CsiConversionSettings> settingsStore)
+  {
+    _settingsStore = settingsStore;
+  }
+
+  public void ExtractProperties(string sectionName, Dictionary<string, object?> properties)
+  {
+    GetMaterialName(sectionName, properties);
+    GetSectionProperties(sectionName, properties);
+    GetPropertyModifiers(sectionName, properties);
+  }
+
+  private void GetMaterialName(string sectionName, Dictionary<string, object?> properties)
+  {
+    // get material name
+    string materialName = string.Empty;
+    _settingsStore.Current.SapModel.PropFrame.GetMaterial(sectionName, ref materialName);
+
+    // append to General Data of properties dictionary
+    Dictionary<string, object?> generalData = properties.EnsureNested(SectionPropertyCategory.GENERAL_DATA);
+    generalData["Material"] = materialName;
+  }
+
+  private void GetSectionProperties(string sectionName, Dictionary<string, object?> properties)
+  {
+    double crossSectionalArea = 0,
+      shearAreaInMajorAxisDirection = 0,
+      shearAreaInMinorAxisDirection = 0,
+      torsionalConstant = 0,
+      momentOfInertiaAboutMajorAxis = 0,
+      momentOfInertiaAboutMinorAxis = 0,
+      sectionModulusAboutMajorAxis = 0,
+      sectionModulusAboutMinorAxis = 0,
+      plasticModulusAboutMajorAxis = 0,
+      plasticModulusAboutMinorAxis = 0,
+      radiusOfGyrationAboutMajorAxis = 0,
+      radiusOfGyrationAboutMinorAxis = 0;
+
+    _settingsStore.Current.SapModel.PropFrame.GetSectProps(
+      sectionName,
+      ref crossSectionalArea,
+      ref shearAreaInMajorAxisDirection,
+      ref shearAreaInMinorAxisDirection,
+      ref torsionalConstant,
+      ref momentOfInertiaAboutMajorAxis,
+      ref momentOfInertiaAboutMinorAxis,
+      ref sectionModulusAboutMajorAxis,
+      ref sectionModulusAboutMinorAxis,
+      ref plasticModulusAboutMajorAxis,
+      ref plasticModulusAboutMinorAxis,
+      ref radiusOfGyrationAboutMajorAxis,
+      ref radiusOfGyrationAboutMinorAxis
+    );
+
+    string distanceUnit = _settingsStore.Current.SpeckleUnits;
+    string areaUnit = $"{distanceUnit}²"; // // TODO: Formalize this better
+    string modulusUnit = $"{distanceUnit}³"; // // TODO: Formalize this better
+    string inertiaUnit = $"{distanceUnit}\u2074"; // TODO: Formalize this better
+
+    Dictionary<string, object?> mechanicalProperties = properties.EnsureNested(
+      SectionPropertyCategory.SECTION_PROPERTIES
+    );
+    mechanicalProperties.AddWithUnits("Area", crossSectionalArea, areaUnit);
+    mechanicalProperties.AddWithUnits("As2", shearAreaInMajorAxisDirection, areaUnit);
+    mechanicalProperties.AddWithUnits("As3", shearAreaInMinorAxisDirection, areaUnit);
+    mechanicalProperties.AddWithUnits("J", torsionalConstant, inertiaUnit);
+    mechanicalProperties.AddWithUnits("I22", momentOfInertiaAboutMajorAxis, inertiaUnit);
+    mechanicalProperties.AddWithUnits("I33", momentOfInertiaAboutMinorAxis, inertiaUnit);
+    mechanicalProperties.AddWithUnits("S22", sectionModulusAboutMajorAxis, modulusUnit);
+    mechanicalProperties.AddWithUnits("S33", sectionModulusAboutMinorAxis, modulusUnit);
+    mechanicalProperties.AddWithUnits("Z22", plasticModulusAboutMajorAxis, modulusUnit);
+    mechanicalProperties.AddWithUnits("Z33", plasticModulusAboutMinorAxis, modulusUnit);
+    mechanicalProperties.AddWithUnits("R22", radiusOfGyrationAboutMajorAxis, distanceUnit);
+    mechanicalProperties.AddWithUnits("R33", radiusOfGyrationAboutMinorAxis, distanceUnit);
+  }
+
+  private void GetPropertyModifiers(string sectionName, Dictionary<string, object?> properties)
+  {
+    double[] stiffnessModifiersArray = [];
+    _settingsStore.Current.SapModel.PropFrame.GetModifiers(sectionName, ref stiffnessModifiersArray);
+
+    Dictionary<string, object?> modifiers =
+      new()
+      {
+        ["Cross-section (Axial) Area"] = stiffnessModifiersArray[0],
+        ["Shear Area in 2 Direction"] = stiffnessModifiersArray[1],
+        ["Shear Area in 3 Direction"] = stiffnessModifiersArray[2],
+        ["Torsional Constant"] = stiffnessModifiersArray[3],
+        ["Moment of Inertia about 2 Axis"] = stiffnessModifiersArray[4],
+        ["Moment of Inertia about 3 Axis"] = stiffnessModifiersArray[5],
+        ["Mass"] = stiffnessModifiersArray[6],
+        ["Weight"] = stiffnessModifiersArray[7],
+      };
+
+    Dictionary<string, object?> generalData = properties.EnsureNested(SectionPropertyCategory.GENERAL_DATA);
+    generalData["Modifiers"] = modifiers;
+  }
+}

Connectors/CSi/Speckle.Connectors.CSiShared/HostApp/Helpers/CsiMaterialPropertyExtractor.cs

@@ -0,0 +1,212 @@
+using Speckle.Converters.Common;
+using Speckle.Converters.CSiShared;
+using Speckle.Converters.CSiShared.Utils;
+
+namespace Speckle.Connectors.CSiShared.HostApp.Helpers;
+
+/// <summary>
+/// Base material property extractor for CSi products.
+/// </summary>
+/// <remarks>
+/// Currently, all material property extraction can happen on a CsiShared level which simplifies things a lot.
+/// Properties depend on the directional symmetry of the material, hence the switch statements.
+/// </remarks>
+public class CsiMaterialPropertyExtractor
+{
+  /// <summary>
+  /// Property strings for all mechanical properties, used by numerous methods.
+  /// </summary>
+  private static class MechanicalPropertyNames
+  {
+    public const string MODULUS_OF_ELASTICITY = "Modulus of Elasticity, E";
+    public const string MODULUS_OF_ELASTICITY_ARRAY = "Modulus of Elasticity Array, E";
+    public const string POISSON_RATIO = "Poisson's Ratio, U";
+    public const string POISSON_RATIO_ARRAY = "Poisson's Ratio Array, U";
+    public const string THERMAL_COEFFICIENT = "Coefficient of Thermal Expansion, A";
+    public const string THERMAL_COEFFICIENT_ARRAY = "Coefficient of Thermal Expansion Array, A";
+    public const string SHEAR_MODULUS = "Shear Modulus, G";
+    public const string SHEAR_MODULUS_ARRAY = "Shear Modulus Array, G";
+  }
+
+  private readonly IConverterSettingsStore<CsiConversionSettings> _settingsStore;
+
+  public CsiMaterialPropertyExtractor(IConverterSettingsStore<CsiConversionSettings> settingsStore)
+  {
+    _settingsStore = settingsStore;
+  }
+
+  public void ExtractProperties(string materialName, Dictionary<string, object?> properties)
+  {
+    GetGeneralProperties(materialName, properties);
+    GetWeightAndMassProperties(materialName, properties); // TODO: Add units
+    GetMechanicalProperties(materialName, properties); // TODO: Add units
+  }
+
+  private void GetGeneralProperties(string materialName, Dictionary<string, object?> properties)
+  {
+    {
+      eMatType materialType = default;
+      int materialColor = 0;
+      string materialNotes = string.Empty;
+      string materialGuid = string.Empty;
+
+      _settingsStore.Current.SapModel.PropMaterial.GetMaterial(
+        materialName,
+        ref materialType,
+        ref materialColor,
+        ref materialNotes,
+        ref materialGuid
+      );
+
+      var generalData = properties.EnsureNested(SectionPropertyCategory.GENERAL_DATA);
+      generalData["Name"] = materialName;
+      generalData["Type"] = materialType.ToString();
+      generalData["Notes"] = materialNotes;
+    }
+  }
+
+  private void GetWeightAndMassProperties(string materialName, Dictionary<string, object?> properties)
+  {
+    double weightPerUnitVolume = double.NaN;
+    double massPerUnitVolume = double.NaN;
+
+    _settingsStore.Current.SapModel.PropMaterial.GetWeightAndMass(
+      materialName,
+      ref weightPerUnitVolume,
+      ref massPerUnitVolume
+    );
+
+    var weightAndMass = properties.EnsureNested("Weight and Mass");
+    weightAndMass["Weight per Unit Volume"] = weightPerUnitVolume;
+    weightAndMass["Mass per Unit Volume"] = massPerUnitVolume;
+  }
+
+  private void GetMechanicalProperties(string materialName, Dictionary<string, object?> properties)
+  {
+    int materialDirectionalSymmetryKey = 0;
+    eMatType materialType = default;
+
+    _settingsStore.Current.SapModel.PropMaterial.GetTypeOAPI(
+      materialName,
+      ref materialType,
+      ref materialDirectionalSymmetryKey
+    );
+
+    var materialDirectionalSymmetryValue = materialDirectionalSymmetryKey switch
+    {
+      0 => DirectionalSymmetryType.ISOTROPIC,
+      1 => DirectionalSymmetryType.ORTHOTROPIC,
+      2 => DirectionalSymmetryType.ANISOTROPIC,
+      3 => DirectionalSymmetryType.UNIAXIAL,
+      _ => throw new ArgumentException($"Unknown symmetry type: {materialDirectionalSymmetryKey}")
+    };
+
+    var mechanicalProperties = properties.EnsureNested("Mechanical Properties");
+    mechanicalProperties["Directional Symmetry Type"] = materialDirectionalSymmetryValue.ToString();
+
+    GetMechanicalPropertiesByType(materialName, materialDirectionalSymmetryValue, mechanicalProperties);
+  }
+
+  private void GetMechanicalPropertiesByType(
+    string materialName,
+    DirectionalSymmetryType directionalSymmetryType,
+    Dictionary<string, object?> mechanicalProperties
+  )
+  {
+    switch (directionalSymmetryType)
+    {
+      case DirectionalSymmetryType.ISOTROPIC:
+        ExtractIsotropicProperties(materialName, mechanicalProperties);
+        break;
+      case DirectionalSymmetryType.ORTHOTROPIC:
+        ExtractOrthotropicProperties(materialName, mechanicalProperties);
+        break;
+      case DirectionalSymmetryType.ANISOTROPIC:
+        ExtractAnisotropicProperties(materialName, mechanicalProperties);
+        break;
+      case DirectionalSymmetryType.UNIAXIAL:
+        ExtractUniaxialProperties(materialName, mechanicalProperties);
+        break;
+      default:
+        throw new ArgumentException($"Unknown directional symmetry type: {directionalSymmetryType}");
+    }
+  }
+
+  private void ExtractIsotropicProperties(string materialName, Dictionary<string, object?> mechanicalProperties)
+  {
+    double modulusOfElasticity = double.NaN;
+    double poissonRatio = double.NaN;
+    double thermalCoefficient = double.NaN;
+    double shearModulus = double.NaN;
+
+    _settingsStore.Current.SapModel.PropMaterial.GetMPIsotropic(
+      materialName,
+      ref modulusOfElasticity,
+      ref poissonRatio,
+      ref thermalCoefficient,
+      ref shearModulus
+    );
+
+    mechanicalProperties[MechanicalPropertyNames.MODULUS_OF_ELASTICITY] = modulusOfElasticity;
+    mechanicalProperties[MechanicalPropertyNames.POISSON_RATIO] = poissonRatio;
+    mechanicalProperties[MechanicalPropertyNames.THERMAL_COEFFICIENT] = thermalCoefficient;
+    mechanicalProperties[MechanicalPropertyNames.SHEAR_MODULUS] = shearModulus;
+  }
+
+  private void ExtractOrthotropicProperties(string materialName, Dictionary<string, object?> mechanicalProperties)
+  {
+    double[] modulusOfElasticityArray = [];
+    double[] poissonRatioArray = [];
+    double[] thermalCoefficientArray = [];
+    double[] shearModulusArray = [];
+
+    _settingsStore.Current.SapModel.PropMaterial.GetMPOrthotropic(
+      materialName,
+      ref modulusOfElasticityArray,
+      ref poissonRatioArray,
+      ref thermalCoefficientArray,
+      ref shearModulusArray
+    );
+
+    mechanicalProperties[MechanicalPropertyNames.MODULUS_OF_ELASTICITY_ARRAY] = modulusOfElasticityArray;
+    mechanicalProperties[MechanicalPropertyNames.POISSON_RATIO_ARRAY] = poissonRatioArray;
+    mechanicalProperties[MechanicalPropertyNames.THERMAL_COEFFICIENT_ARRAY] = thermalCoefficientArray;
+    mechanicalProperties[MechanicalPropertyNames.SHEAR_MODULUS_ARRAY] = shearModulusArray;
+  }
+
+  private void ExtractAnisotropicProperties(string materialName, Dictionary<string, object?> mechanicalProperties)
+  {
+    double[] modulusOfElasticityArray = [];
+    double[] poissonRatioArray = [];
+    double[] thermalCoefficientArray = [];
+    double[] shearModulusArray = [];
+
+    _settingsStore.Current.SapModel.PropMaterial.GetMPAnisotropic(
+      materialName,
+      ref modulusOfElasticityArray,
+      ref poissonRatioArray,
+      ref thermalCoefficientArray,
+      ref shearModulusArray
+    );
+
+    mechanicalProperties[MechanicalPropertyNames.MODULUS_OF_ELASTICITY_ARRAY] = modulusOfElasticityArray;
+    mechanicalProperties[MechanicalPropertyNames.POISSON_RATIO_ARRAY] = poissonRatioArray;
+    mechanicalProperties[MechanicalPropertyNames.THERMAL_COEFFICIENT_ARRAY] = thermalCoefficientArray;
+    mechanicalProperties[MechanicalPropertyNames.SHEAR_MODULUS_ARRAY] = shearModulusArray;
+  }
+
+  private void ExtractUniaxialProperties(string materialName, Dictionary<string, object?> mechanicalProperties)
+  {
+    double modulusOfElasticity = double.NaN;
+    double thermalCoefficient = double.NaN;
+
+    _settingsStore.Current.SapModel.PropMaterial.GetMPUniaxial(
+      materialName,
+      ref modulusOfElasticity,
+      ref thermalCoefficient
+    );
+
+    mechanicalProperties[MechanicalPropertyNames.MODULUS_OF_ELASTICITY] = modulusOfElasticity;
+    mechanicalProperties[MechanicalPropertyNames.THERMAL_COEFFICIENT] = thermalCoefficient;
+  }
+}

Connectors/CSi/Speckle.Connectors.CSiShared/HostApp/Helpers/CsiShellSectionPropertyExtractor.cs

@@ -0,0 +1,68 @@
+using Speckle.Converters.Common;
+using Speckle.Converters.CSiShared;
+using Speckle.Converters.CSiShared.Utils;
+
+namespace Speckle.Connectors.CSiShared.HostApp.Helpers;
+
+/// <summary>
+/// Base shell section property extractor for CSi products.
+/// </summary>
+/// <remarks>
+/// Handles common Csi API calls for shell section properties.
+/// Provides foundation for application-specific extractors.
+/// </remarks>
+public class CsiShellSectionPropertyExtractor : IShellSectionPropertyExtractor
+{
+  private readonly IConverterSettingsStore<CsiConversionSettings> _settingsStore;
+
+  public CsiShellSectionPropertyExtractor(IConverterSettingsStore<CsiConversionSettings> settingsStore)
+  {
+    _settingsStore = settingsStore;
+  }
+
+  public void ExtractProperties(string sectionName, Dictionary<string, object?> properties)
+  {
+    GetPropertyType(sectionName, properties);
+    GetPropertyModifiers(sectionName, properties);
+  }
+
+  private void GetPropertyType(string sectionName, Dictionary<string, object?> properties)
+  {
+    int propertyTypeKey = 1;
+    _settingsStore.Current.SapModel.PropArea.GetTypeOAPI(sectionName, ref propertyTypeKey);
+    var propertyTypeValue = propertyTypeKey switch
+    {
+      1 => AreaPropertyType.SHELL,
+      2 => AreaPropertyType.PLANE,
+      3 => AreaPropertyType.ASOLID,
+      _ => throw new ArgumentException($"Unknown property type: {propertyTypeKey}"),
+    };
+
+    var generalData = properties.EnsureNested(SectionPropertyCategory.GENERAL_DATA);
+    generalData["Property Type"] = propertyTypeValue.ToString();
+  }
+
+  private void GetPropertyModifiers(string sectionName, Dictionary<string, object?> properties)
+  {
+    double[] stiffnessModifiersArray = [];
+    _settingsStore.Current.SapModel.PropArea.GetModifiers(sectionName, ref stiffnessModifiersArray);
+
+    Dictionary<string, object?> modifiers =
+      new()
+      {
+        ["Membrane f11 Direction"] = stiffnessModifiersArray[0],
+        ["Membrane f22 Direction"] = stiffnessModifiersArray[1],
+        ["Membrane f12 Direction"] = stiffnessModifiersArray[2],
+        ["Bending m11 Direction"] = stiffnessModifiersArray[3],
+        ["Bending m22 Direction"] = stiffnessModifiersArray[3],
+        ["Bending m12 Direction"] = stiffnessModifiersArray[4],
+        ["Shear v13 Direction"] = stiffnessModifiersArray[5],
+        ["Shear v23 Direction"] = stiffnessModifiersArray[6],
+        ["Mass"] = stiffnessModifiersArray[7],
+        ["Weight"] = stiffnessModifiersArray[8]
+      };
+
+    var generalData = properties.EnsureNested(SectionPropertyCategory.GENERAL_DATA);
+    generalData["Modifiers"] = modifiers;
+  }
+}

Connectors/CSi/Speckle.Connectors.CSiShared/HostApp/Helpers/IApplicationSectionPropertyExtractor.cs

@@ -0,0 +1,18 @@
+namespace Speckle.Connectors.CSiShared.HostApp.Helpers;
+
+/// <summary>
+/// Contract for host application specific section property extraction.
+/// </summary>
+/// <remarks>
+/// Mirrors property extraction system pattern by composing with base extractor.
+/// Enables both shared and application-specific property extraction in one call.
+/// </remarks>
+public interface IApplicationSectionPropertyExtractor
+{
+  void ExtractProperties(string sectionName, Dictionary<string, object?> properties);
+}
+
+// NOTE: Seemingly silly, but allows us to register the correct extractor for the correct type.
+public interface IApplicationFrameSectionPropertyExtractor : IApplicationSectionPropertyExtractor { }
+
+public interface IApplicationShellSectionPropertyExtractor : IApplicationSectionPropertyExtractor { }

Connectors/CSi/Speckle.Connectors.CSiShared/HostApp/Helpers/ISectionPropertyExtractor.cs

@@ -0,0 +1,14 @@
+namespace Speckle.Connectors.CSiShared.HostApp.Helpers;
+
+/// <summary>
+/// Core contract for section property extraction common across CSi products.
+/// </summary>
+public interface ISectionPropertyExtractor
+{
+  void ExtractProperties(string sectionName, Dictionary<string, object?> properties);
+}
+
+// NOTE: Seemingly silly, but allows us to register the correct extractor for the correct type.
+public interface IFrameSectionPropertyExtractor : ISectionPropertyExtractor { }
+
+public interface IShellSectionPropertyExtractor : ISectionPropertyExtractor { }

Connectors/CSi/Speckle.Connectors.CSiShared/HostApp/Helpers/ISectionUnpacker.cs

@@ -0,0 +1,10 @@
+using Speckle.Sdk.Models.Proxies;
+
+namespace Speckle.Connectors.CSiShared.HostApp.Helpers;
+
+// NOTE: Interface because Etabs and Sap2000 section unpacking and extraction is different.
+// At ServiceRegistration, we inject the correct implementation of the ISectionUnpacker
+public interface ISectionUnpacker
+{
+  IEnumerable<GroupProxy> UnpackSections();
+}

Connectors/CSi/Speckle.Connectors.CSiShared/HostApp/MaterialUnpacker.cs

@@ -0,0 +1,51 @@
+using Speckle.Connectors.CSiShared.HostApp.Helpers;
+using Speckle.Converters.CSiShared.ToSpeckle.Helpers;
+using Speckle.Sdk.Models.Proxies;
+
+namespace Speckle.Connectors.CSiShared.HostApp;
+
+/// <summary>
+/// Creates material proxies based on stored entries from the materials cache
+/// </summary>
+public class MaterialUnpacker
+{
+  private readonly CsiMaterialPropertyExtractor _propertyExtractor;
+  private readonly CsiToSpeckleCacheSingleton _csiToSpeckleCacheSingleton;
+
+  public MaterialUnpacker(
+    CsiMaterialPropertyExtractor propertyExtractor,
+    CsiToSpeckleCacheSingleton csiToSpeckleCacheSingleton
+  )
+  {
+    _propertyExtractor = propertyExtractor;
+    _csiToSpeckleCacheSingleton = csiToSpeckleCacheSingleton;
+  }
+
+  // Creates a list of material proxies from the csi materials cache
+  public IEnumerable<IProxyCollection> UnpackMaterials()
+  {
+    foreach (var kvp in _csiToSpeckleCacheSingleton.MaterialCache)
+    {
+      // get the cached entry
+      string materialName = kvp.Key;
+      List<string> sectionIds = kvp.Value;
+
+      // get the properties of the material
+      Dictionary<string, object?> properties = new(); // create empty dictionary
+      _propertyExtractor.ExtractProperties(materialName, properties); // dictionary mutated with respective properties
+
+      // create the material proxy
+      GroupProxy materialProxy =
+        new()
+        {
+          id = materialName,
+          name = materialName,
+          applicationId = materialName,
+          objects = sectionIds,
+          ["properties"] = properties
+        };
+
+      yield return materialProxy;
+    }
+  }
+}