Add contact when adding collaborator

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

@@ -5,6 +5,7 @@ ProjectEditorHandler = require "../Project/ProjectEditorHandler"
 EditorRealTimeController = require "../Editor/EditorRealTimeController"
 UserGetter = require "../User/UserGetter"
 LimitationsManager = require "../Subscription/LimitationsManager"
+ContactManager = require "../Contacts/ContactManager"
 mimelib = require("mimelib")
 
 module.exports = CollaboratorsController =
@@ -36,8 +37,13 @@ module.exports = CollaboratorsController =
 					UserGetter.getUser user_id, (error, raw_user) ->
 						return next(error) if error?
 						user = ProjectEditorHandler.buildUserModelView(raw_user, privileges)
+						
+						# These things can all be done in the background
+						adding_user_id = req.session?.user?._id
 						CollaboratorsEmailHandler.notifyUserOfProjectShare project_id, user.email
 						EditorRealTimeController.emitToRoom(project_id, 'userAddedToProject', user, privileges)
+						ContactManager.addContact adding_user_id, user_id
+
 						return res.json { user: user }
 
 	removeUserFromProject: (req, res, next) ->

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

@@ -19,6 +19,7 @@ describe "CollaboratorsController", ->
 			"../Editor/EditorRealTimeController": @EditorRealTimeController = {}
 			'../Subscription/LimitationsManager' : @LimitationsManager = {}
 			'../Project/ProjectEditorHandler' : @ProjectEditorHandler = {}
+			"../Contacts/ContactManager": @ContactManager = {}
 		@res = new MockResponse()
 		@req = new MockRequest()
 
@@ -61,6 +62,8 @@ describe "CollaboratorsController", ->
 			@req.body =
 				email: @email = "Joe@example.com"
 				privileges: @privileges = "readOnly"
+			@req.session =
+				user: _id: @adding_user_id = "adding-user-id"
 			@res.json = sinon.stub()
 			@user_id = "mock-user-id"
 			@raw_user = {
@@ -75,6 +78,7 @@ describe "CollaboratorsController", ->
 			@UserGetter.getUser = sinon.stub().callsArgWith(1, null, @user)
 			@CollaboratorsEmailHandler.notifyUserOfProjectShare = sinon.stub()
 			@EditorRealTimeController.emitToRoom = sinon.stub()
+			@ContactManager.addContact = sinon.stub()
 			@callback = sinon.stub()
 
 		describe "when the project can accept more collaborators", ->
@@ -95,6 +99,11 @@ describe "CollaboratorsController", ->
 				@CollaboratorsEmailHandler.notifyUserOfProjectShare
 					.calledWith(@project_id, @email.toLowerCase())
 					.should.equal true
+			
+			it "should add the user as a contact for the adding user", ->
+				@ContactManager.addContact
+					.calledWith(@adding_user_id, @user_id)
+					.should.equal true
 
 			it "should send the user as the response body", ->
 				@res.json