Dimitrie Stefanescu
75 lines
2.6 KiB
JavaScript
75 lines
2.6 KiB
JavaScript
'use strict'
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const crs = require( 'crypto-random-string' )
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const appRoot = require( 'app-root-path' )
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const knex = require( `${appRoot}/db/knex` )
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const Streams = ( ) => knex( 'streams' )
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const Branches = ( ) => knex( 'branches' )
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const BranchCommits = ( ) => knex( 'branch_commits' )
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module.exports = {
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async createBranch( { name, description, streamId, authorId } ) {
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let branch = {}
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branch.id = crs( { length: 10 } )
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branch.streamId = streamId
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branch.authorId = authorId
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branch.name = name.toLowerCase( )
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branch.description = description
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if ( name ) module.exports.validateBranchName( { name } )
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let [ { id } ] = await Branches( ).returning( 'id' ).insert( branch )
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// update stream updated at
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await Streams().where( { id: streamId } ).update( { updatedAt: knex.fn.now() } )
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return branch.id
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},
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async updateBranch( { id, name, description } ) {
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if ( name ) module.exports.validateBranchName( { name } )
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return await Branches( ).where( { id: id } ).update( { name: name ? name.toLowerCase( ) : name, description: description } )
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},
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validateBranchName( { name } ) {
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if ( name.startsWith( '/' ) || name.startsWith( '#' ) ) throw new Error( 'Branch names cannot start with # or /.' )
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},
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async getBranchById( { id } ) {
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return await Branches( ).where( { id: id } ).first( ).select( '*' )
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},
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async getBranchesByStreamId( { streamId, limit, cursor } ) {
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limit = limit || 25
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let query = Branches( ).select( '*' ).where( { streamId: streamId } )
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if ( cursor ) query.andWhere( 'createdAt', '<', cursor )
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query.orderBy( 'createdAt' ).limit( limit )
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let totalCount = await module.exports.getBranchesByStreamIdTotalCount( { streamId } )
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let rows = await query
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return { items: rows, cursor: rows.length > 0 ? rows[ rows.length - 1 ].updatedAt.toISOString( ) : null, totalCount }
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},
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async getBranchesByStreamIdTotalCount( { streamId } ) {
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let [ res ] = await Branches( ).count( ).where( { streamId: streamId } )
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return parseInt( res.count )
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},
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async getBranchByNameAndStreamId( { streamId, name } ) {
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let query = Branches( ).select( '*' ).where( { streamId: streamId } ).andWhere( knex.raw( 'LOWER(name) = ?', [ name.toLowerCase() ] ) ).first( )
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return await query
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},
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async deleteBranchById( { id, streamId } ) {
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let branch = await module.exports.getBranchById( { id: id } )
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if ( branch.name === 'main' )
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throw new Error( 'Cannot delete the main branch.' )
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await Branches( ).where( { id: id } ).del( )
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await Streams().where( { id: streamId } ).update( { updatedAt: knex.fn.now() } )
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return true
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},
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}
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