Dimitrie Stefanescu
101 lines
3.1 KiB
JavaScript
101 lines
3.1 KiB
JavaScript
'use strict'
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const bcrypt = require( 'bcrypt' )
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const crs = require( 'crypto-random-string' )
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const { performance } = require( 'perf_hooks' )
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const crypto = require( 'crypto' )
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let debug = require( 'debug' )( 'speckle:services' )
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const root = require( 'app-root-path' )
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const knex = require( `${root}/db/knex` )
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const Streams = ( ) => knex( 'streams' )
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const Objects = ( ) => knex( 'objects' )
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const Refs = ( ) => knex( 'object_tree_refs' )
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module.exports = {
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createObject: async ( streamId, userId, object ) => {
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// Prep tree refs
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let objTreeRefs = object.hasOwnProperty( '__tree' ) && object.__tree ? object.__tree.map( entry => {
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return { parent: entry.split( '.' )[ 0 ], path: entry }
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} ) : null
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let insertionObject = prepInsertionObject( object )
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insertionObject.author = userId
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let [ res ] = await Objects( ).returning( 'hash' ).insert( insertionObject )
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await Refs( ).insert( objTreeRefs )
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return res
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},
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createObjects: async ( streamId, userId, objects ) => {
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let objTreeRefs = [ ]
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let objsToInsert = [ ]
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let hashes = [ ]
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let t0 = performance.now( )
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objects.forEach( obj => {
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if ( obj.hasOwnProperty( '__tree' ) && obj.__tree ) {
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objTreeRefs = [ ...objTreeRefs, ...obj.__tree.map( entry => {
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return { parent: entry.split( '.' )[ 0 ], path: entry }
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} ) ]
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}
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let insertionObject = prepInsertionObject( obj )
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insertionObject.author = userId
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objsToInsert.push( insertionObject )
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hashes.push( insertionObject.hash )
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} )
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let queryObjs = Objects( ).insert( objsToInsert ).toString( ) + ' on conflict do nothing'
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let queryRefs = Refs( ).insert( objTreeRefs ).toString( ) + ' on conflict do nothing'
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await knex.raw( queryObjs )
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await knex.raw( queryRefs )
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let t1 = performance.now( )
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// debug( `Stored ${objTreeRefs.length + objsToInsert.length} objects in ${t1-t0}ms.` )
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return hashes
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},
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getObject: async ( objectId ) => {
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let { data } = await Objects( ).where( { hash: objectId } ).select( 'data' ).first( )
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return data
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},
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getObjects: async ( objectIds ) => {
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let res = await Objects( ).whereIn( 'hash', objectIds ).select( 'data' )
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return res.map( r => r.data )
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},
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// NOTE: Derive Object
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updateObject: async ( ) => {
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throw new Error( 'not implemeneted' )
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},
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// NOTE: Dangerous
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deleteObject: async ( ) => {
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// TODO: Cascade through all children?
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throw new Error( 'not implemeneted' )
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},
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}
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// Note: we're generating the hash here, rather than on the db side, as there are
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// limitations when doing upserts - ignored fields are not always returned, hence
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// we cannot provide a full response back including all object hashes.
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function prepInsertionObject( obj ) {
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obj.hash = obj.hash || crypto.createHash( 'md5' ).update( JSON.stringify( obj ) ).digest( 'hex' ) // generate a hash if none is present
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delete obj.__tree
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let stringifiedObj = JSON.stringify( obj )
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return {
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data: stringifiedObj, // stored in jsonb column
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hash: obj.hash,
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applicationId: obj.applicationId,
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speckle_type: obj.speckle_type
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}
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} |