Remove a user from being a collaborator when their account is deleted

services/web/app/coffee/Features/Collaborators/CollaboratorsHandler.coffee

@@ -87,6 +87,17 @@ module.exports = CollaboratorsHandler =
 				logger.error err: err, "problem removing user from project collaberators"
 			callback(err)
 	
+	removeUserFromAllProjets: (user_id, callback = (error) ->) ->
+		CollaboratorsHandler.getProjectsUserIsCollaboratorOf user_id, { _id: 1 }, (error, readAndWriteProjects = [], readOnlyProjects = []) ->
+			return callback(error) if error?
+			allProjects = readAndWriteProjects.concat(readOnlyProjects)
+			jobs = []
+			for project in allProjects
+				do (project) ->
+					jobs.push (cb) ->
+						CollaboratorsHandler.removeUserFromProject project._id, user_id, cb
+			async.series jobs, callback
+	
 	addEmailToProject: (project_id, adding_user_id, unparsed_email, privilegeLevel, callback = (error, user) ->) ->
 		emails = mimelib.parseAddresses(unparsed_email)
 		email = emails[0]?.address?.toLowerCase()

services/web/app/coffee/Features/Project/ProjectDeleter.coffee

@@ -24,9 +24,11 @@ module.exports = ProjectDeleter =
 		update = {deletedByExternalDataSource: false}
 		Project.update conditions, update, {}, callback
 
-	deleteUsersProjects: (owner_id, callback)->
-		logger.log owner_id:owner_id, "deleting users projects"
-		Project.remove owner_ref:owner_id, callback
+	deleteUsersProjects: (user_id, callback)->
+		logger.log {user_id}, "deleting users projects"
+		Project.remove owner_ref:user_id, (error) ->
+			return callback(error) if error?
+			CollaboratorsHandler.removeUserFromAllProjets user_id, callback
 
 	deleteProject: (project_id, callback = (error) ->) ->
 		# archiveProject takes care of the clean-up

services/web/test/UnitTests/coffee/Collaborators/CollaboratorsHandlerTests.coffee

@@ -276,6 +276,19 @@ describe "CollaboratorsHandler", ->
 			it "should not add any users to the proejct", ->
 				@CollaboratorHandler.addUserIdToProject.called.should.equal false
 
-
-
-
+	describe "removeUserFromAllProjets", ->
+		beforeEach (done) ->
+			@CollaboratorHandler.getProjectsUserIsCollaboratorOf = sinon.stub()
+			@CollaboratorHandler.getProjectsUserIsCollaboratorOf.withArgs(@user_id, { _id: 1 }).yields(
+				null,
+				[ { _id: "read-and-write-0" }, { _id: "read-and-write-1" } ],
+				[ { _id: "read-only-0" }, { _id: "read-only-1" } ]
+			)
+			@CollaboratorHandler.removeUserFromProject = sinon.stub().yields()
+			@CollaboratorHandler.removeUserFromAllProjets @user_id, done
+		
+		it "should remove the user from each project", ->
+			for project_id in ["read-and-write-0", "read-and-write-1", "read-only-0", "read-only-1"]
+				@CollaboratorHandler.removeUserFromProject
+					.calledWith(project_id, @user_id)
+					.should.equal true

services/web/test/UnitTests/coffee/Project/ProjectDeleterTests.coffee

@@ -27,13 +27,15 @@ describe 'ProjectDeleter', ->
 			removeProjectFromAllTags: sinon.stub().callsArgWith(2)
 		@ProjectGetter =
 			getProject:sinon.stub()
+		@CollaboratorsHandler =
+			removeUserFromAllProjets: sinon.stub().yields()
 		@deleter = SandboxedModule.require modulePath, requires:
 			"../Editor/EditorController": @editorController
 			'../../models/Project':{Project:@Project}
 			'../DocumentUpdater/DocumentUpdaterHandler': @documentUpdaterHandler
 			"../Tags/TagsHandler":@TagsHandler
 			"../FileStore/FileStoreHandler": @FileStoreHandler = {}
-			"../Collaborators/CollaboratorsHandler": @CollaboratorsHandler = {}
+			"../Collaborators/CollaboratorsHandler": @CollaboratorsHandler
 			"./ProjectGetter": @ProjectGetter
 			'logger-sharelatex':
 				log:->
@@ -74,6 +76,12 @@ describe 'ProjectDeleter', ->
 				@Project.remove.calledWith(owner_ref:user_id).should.equal true
 				done()
 
+		it "should remove all the projects the user is a collaborator of", (done)->
+			user_id = 1234
+			@deleter.deleteUsersProjects user_id, =>
+				@CollaboratorsHandler.removeUserFromAllProjets.calledWith(user_id).should.equal true
+				done()
+
 	describe "deleteProject", ->
 		beforeEach (done) ->
 			@project_id = "mock-project-id-123"