Factor out common joinProject logic to provide and HTTP end point for the real-time API

services/web/app/coffee/Features/Editor/EditorController.coffee

@@ -7,6 +7,7 @@ ProjectOptionsHandler = require('../Project/ProjectOptionsHandler')
 ProjectDetailsHandler = require('../Project/ProjectDetailsHandler')
 ProjectDeleter = require("../Project/ProjectDeleter")
 ProjectGetter = require('../Project/ProjectGetter')
+UserGetter = require('../User/UserGetter')
 CollaboratorsHandler = require("../Collaborators/CollaboratorsHandler")
 DocumentUpdaterHandler = require('../DocumentUpdater/DocumentUpdaterHandler')
 LimitationsManager = require("../Subscription/LimitationsManager")
@@ -33,18 +34,14 @@ module.exports = EditorController =
 	joinProject: (client, user, project_id, callback) ->
 		logger.log user_id:user._id, project_id:project_id, "user joining project"
 		Metrics.inc "editor.join-project"
-		ProjectGetter.getProjectWithoutDocLines project_id, (error, project) ->
+		EditorController.buildJoinProjectView project_id, user._id, (error, project, privilegeLevel, protocolVersion) ->
 			return callback(error) if error?
-			ProjectGetter.populateProjectWithUsers project, (error, project) ->
-				return callback(error) if error?
-				AuthorizationManager.getPrivilegeLevelForProject project, user,
-					(error, canAccess, privilegeLevel) ->
-						if error? or !canAccess
+			if !privilegeLevel
 				callback new Error("Not authorized")
 			else
 				client.join(project_id)
 				client.set("project_id", project_id)
-							client.set("owner_id", project.owner_ref._id)
+				client.set("owner_id", project.owner._id)
 				client.set("user_id", user._id)
 				client.set("first_name", user.first_name)
 				client.set("last_name", user.last_name)
@@ -53,14 +50,32 @@ module.exports = EditorController =
 				client.set("signup_date", user.signUpDate)
 				client.set("login_count", user.loginCount)
 				AuthorizationManager.setPrivilegeLevelOnClient client, privilegeLevel
-							callback null, ProjectEditorHandler.buildProjectModelView(project), privilegeLevel, EditorController.protocolVersion
 				
-							# can be done affter the connection has happened
+				callback null, project, privilegeLevel, EditorController.protocolVersion
+
+				# can be done after the connection has happened
 				ConnectedUsersManager.updateUserPosition project_id, client.id, user, null, ->
 				
 				# Only show the 'renamed or deleted' message once
-							ProjectDeleter.unmarkAsDeletedByExternalSource project
+				if project.deletedByExternalDataSource
+					ProjectDeleter.unmarkAsDeletedByExternalSource project_id
 							
+	buildJoinProjectView: (project_id, user_id, callback = (error, project, privilegeLevel) ->) ->
+		ProjectGetter.getProjectWithoutDocLines project_id, (error, project) ->
+			return callback(error) if error?
+			ProjectGetter.populateProjectWithUsers project, (error, project) ->
+				return callback(error) if error?
+				UserGetter.getUser user_id, { isAdmin: true }, (error, user) ->
+					return callback(error) if error?
+					AuthorizationManager.getPrivilegeLevelForProject project, user, (error, canAccess, privilegeLevel) ->
+						return callback(error) if error?
+						if !canAccess
+							callback null, null, false
+						else
+							callback(null,
+								ProjectEditorHandler.buildProjectModelView(project),
+								privilegeLevel
+							)
 
 	leaveProject: (client, user) ->
 		self = @

services/web/app/coffee/Features/Editor/EditorHttpController.coffee

@@ -1,9 +1,26 @@
 ProjectEntityHandler = require "../Project/ProjectEntityHandler"
+ProjectDeleter = require "../Project/ProjectDeleter"
 logger = require "logger-sharelatex"
 EditorRealTimeController = require "./EditorRealTimeController"
 EditorController = require "./EditorController"
+Metrics = require('../../infrastructure/Metrics')
 
 module.exports = EditorHttpController =
+	joinProject: (req, res, next) ->
+		project_id = req.params.Project_id
+		user_id = req.query.user_id
+		logger.log {user_id, project_id}, "join project request"
+		Metrics.inc "editor.join-project"
+		EditorController.buildJoinProjectView project_id, user_id, (error, project, privilegeLevel) ->
+			return next(error) if error?
+			res.json {
+				project: project
+				privilegeLevel: privilegeLevel
+			}
+			# Only show the 'renamed or deleted' message once
+			if project.deletedByExternalDataSource
+				ProjectDeleter.unmarkAsDeletedByExternalSource project_id
+
 	restoreDoc: (req, res, next) ->
 		project_id = req.params.Project_id
 		doc_id = req.params.doc_id

services/web/app/coffee/Features/Editor/EditorRouter.coffee

@@ -2,7 +2,7 @@ EditorHttpController = require('./EditorHttpController')
 SecurityManager = require('../../managers/SecurityManager')
 
 module.exports =
-	apply: (app) ->
+	apply: (app, httpAuth) ->
 		app.post   '/project/:Project_id/doc', SecurityManager.requestCanModifyProject, EditorHttpController.addDoc
 		app.post   '/project/:Project_id/folder', SecurityManager.requestCanModifyProject, EditorHttpController.addFolder
 
@@ -14,3 +14,9 @@ module.exports =
 		app.delete '/project/:Project_id/folder/:entity_id', SecurityManager.requestCanModifyProject, EditorHttpController.deleteFolder
 
 		app.post   '/project/:Project_id/doc/:doc_id/restore', SecurityManager.requestCanModifyProject, EditorHttpController.restoreDoc
+
+		# Called by the real-time API to load up the current project state.
+		# This is a post request because it's more than just a getting of data. We take actions
+		# whenever a user joins a project, like updating the deleted status.
+		app.post   '/project/:Project_id/join', httpAuth, EditorHttpController.joinProject
+		app.ignoreCsrf('post', '/project/:Project_id/join')

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

@@ -16,14 +16,11 @@ module.exports = ProjectDeleter =
 			require('../Editor/EditorController').notifyUsersProjectHasBeenDeletedOrRenamed project_id, ->
 				callback()
 				
-	unmarkAsDeletedByExternalSource: (project, callback = (error) ->) ->
-		logger.log project_id: "removing flag marking project as deleted by external data source"
-		if project.deletedByExternalDataSource
-			conditions = {_id:project._id.toString()}
+	unmarkAsDeletedByExternalSource: (project_id, callback = (error) ->) ->
+		logger.log project_id: project_id, "removing flag marking project as deleted by external data source"
+		conditions = {_id:project_id.toString()}
 		update = {deletedByExternalDataSource: false}
 		Project.update conditions, update, {}, callback
-		else
-			callback()
 
 	deleteUsersProjects: (owner_id, callback)->
 		logger.log owner_id:owner_id, "deleting users projects"

services/web/app/coffee/router.coffee

@@ -60,7 +60,7 @@ module.exports = class Router
 		app.get  '/register', UserPagesController.registerPage
 		app.post '/register', UserController.register
 
-		EditorRouter.apply(app)
+		EditorRouter.apply(app, httpAuth)
 		CollaboratorsRouter.apply(app)
 		SubscriptionRouter.apply(app)
 		UploadsRouter.apply(app)

services/web/test/UnitTests/coffee/Editor/EditorControllerTests.coffee

@@ -16,7 +16,9 @@ describe "EditorController", ->
 		@doc_id = "test-doc-id"
 		@source = "dropbox"
 
-		@projectModelView = "projectModelView"
+		@projectModelView = 
+			_id: @project_id
+			owner:{_id:"something"}
 
 		@user =
 			_id: @user_id = "user-id"
@@ -65,6 +67,7 @@ describe "EditorController", ->
 			'../Project/ProjectDetailsHandler': @ProjectDetailsHandler
 			'../Project/ProjectDeleter' : @ProjectDeleter
 			'../Project/ProjectGetter' : @ProjectGetter = {}
+			'../User/UserGetter': @UserGetter = {}
 			'../Collaborators/CollaboratorsHandler': @CollaboratorsHandler
 			'../DocumentUpdater/DocumentUpdaterHandler' : @DocumentUpdaterHandler
 			'../Subscription/LimitationsManager' : @LimitationsManager
@@ -85,8 +88,6 @@ describe "EditorController", ->
 		beforeEach ->
 			sinon.spy(@client, "set")
 			sinon.spy(@client, "get")
-			@ProjectGetter.getProjectWithoutDocLines = sinon.stub().callsArgWith(1, null, @project)
-			@ProjectGetter.populateProjectWithUsers = sinon.stub().callsArgWith(1, null, @project)
 			@AuthorizationManager.setPrivilegeLevelOnClient = sinon.stub()
 			@EditorRealTimeController.emitToRoom = sinon.stub()
 			@ConnectedUsersManager.updateUserPosition.callsArgWith(4)
@@ -94,20 +95,9 @@ describe "EditorController", ->
 
 		describe "when authorized", ->
 			beforeEach ->
-				@AuthorizationManager.getPrivilegeLevelForProject =
-					sinon.stub().callsArgWith(2, null, true, "owner")
+				@EditorController.buildJoinProjectView = sinon.stub().callsArgWith(2, null, @projectModelView, "owner")
 				@EditorController.joinProject(@client, @user, @project_id, @callback)
 
-			it "should find the project without doc lines", ->
-				@ProjectGetter.getProjectWithoutDocLines
-					.calledWith(@project_id)
-					.should.equal true
-
-			it "should populate the user references in the project", ->
-				@ProjectGetter.populateProjectWithUsers
-					.calledWith(@project)
-					.should.equal true
-
 			it "should set the privilege level on the client", ->
 				@AuthorizationManager.setPrivilegeLevelOnClient
 					.calledWith(@client, "owner")
@@ -119,21 +109,15 @@ describe "EditorController", ->
 			it "should set the project_id of the client", ->
 				@client.set.calledWith("project_id", @project_id).should.equal true
 
-			it "should return the project model view, privilege level and protocol version", ->
-				@callback.calledWith(null, @projectModelView, "owner", @EditorController.protocolVersion).should.equal true
-
 			it "should mark the user as connected with the ConnectedUsersManager", ->
 				@ConnectedUsersManager.updateUserPosition.calledWith(@project_id, @client.id, @user, null).should.equal true
 
-			it "should remove the flag to send a user a message about the project being deleted", ->
-				@ProjectDeleter.unmarkAsDeletedByExternalSource
-					.calledWith(@project)
-					.should.equal true
+			it "should return the project model view, privilege level and protocol version", ->
+				@callback.calledWith(null, @projectModelView, "owner", @EditorController.protocolVersion).should.equal true
 		
 		describe "when not authorized", ->
 			beforeEach ->
-				@AuthorizationManager.getPrivilegeLevelForProject =
-					sinon.stub().callsArgWith(2, null, false)
+				@EditorController.buildJoinProjectView = sinon.stub().callsArgWith(2, null, null, false)
 				@EditorController.joinProject(@client, @user, @project_id, @callback)
 
 			it "should not set the privilege level on the client", ->
@@ -149,6 +133,61 @@ describe "EditorController", ->
 			it "should return an error", ->
 				@callback.calledWith(sinon.match.truthy).should.equal true
 				
+		describe "when the project is marked as deleted", ->
+			beforeEach ->
+				@projectModelView.deletedByExternalDataSource = true
+				@EditorController.buildJoinProjectView = sinon.stub().callsArgWith(2, null, @projectModelView, "owner")
+				@EditorController.joinProject(@client, @user, @project_id, @callback)	
+			
+			it "should remove the flag to send a user a message about the project being deleted", ->
+				@ProjectDeleter.unmarkAsDeletedByExternalSource
+					.calledWith(@project_id)
+					.should.equal true
+				
+	describe "buildJoinProjectView", ->
+		beforeEach ->
+			@ProjectGetter.getProjectWithoutDocLines = sinon.stub().callsArgWith(1, null, @project)
+			@ProjectGetter.populateProjectWithUsers = sinon.stub().callsArgWith(1, null, @project)
+			@UserGetter.getUser = sinon.stub().callsArgWith(2, null, @user)
+				
+		describe "when authorized", ->
+			beforeEach ->
+				@AuthorizationManager.getPrivilegeLevelForProject =
+					sinon.stub().callsArgWith(2, null, true, "owner")
+				@EditorController.buildJoinProjectView(@project_id, @user_id, @callback)
+				
+			it "should find the project without doc lines", ->
+				@ProjectGetter.getProjectWithoutDocLines
+					.calledWith(@project_id)
+					.should.equal true
+
+			it "should populate the user references in the project", ->
+				@ProjectGetter.populateProjectWithUsers
+					.calledWith(@project)
+					.should.equal true
+			
+			it "should look up the user", ->
+				@UserGetter.getUser
+					.calledWith(@user_id, { isAdmin: true })
+					.should.equal true
+					
+			it "should check the privilege level", ->
+				@AuthorizationManager.getPrivilegeLevelForProject
+					.calledWith(@project, @user)
+					.should.equal true
+
+			it "should return the project model view, privilege level and protocol version", ->
+				@callback.calledWith(null, @projectModelView, "owner", @EditorController.protocolVersion).should.equal true
+				
+		describe "when not authorized", ->
+			beforeEach ->
+				@AuthorizationManager.getPrivilegeLevelForProject =
+					sinon.stub().callsArgWith(2, null, false, null)
+				@EditorController.buildJoinProjectView(@project_id, @user_id, @callback)
+				
+			it "should return false in the callback", ->
+				@callback.calledWith(null, null, false, @EditorController.protocolVersion).should.equal true
+
 
 	describe "leaveProject", ->
 		beforeEach ->

services/web/test/UnitTests/coffee/Editor/EditorHttpControllerTests.coffee

@@ -7,17 +7,70 @@ describe "EditorHttpController", ->
 	beforeEach ->
 		@EditorHttpController = SandboxedModule.require modulePath, requires:
 			'../Project/ProjectEntityHandler' : @ProjectEntityHandler = {}
+			'../Project/ProjectDeleter' : @ProjectDeleter = {}
 			"./EditorRealTimeController": @EditorRealTimeController = {}
 			"logger-sharelatex": @logger = { log: sinon.stub(), error: sinon.stub() }
 			"./EditorController": @EditorController = {}
+			'../../infrastructure/Metrics': @Metrics = {inc: sinon.stub()}
+			
 		@project_id = "mock-project-id"
 		@doc_id = "mock-doc-id"
+		@user_id = "mock-user-id"
 		@parent_folder_id = "mock-folder-id"
 		@req = {}
 		@res =
 			send: sinon.stub()
 			json: sinon.stub()
 			
+	describe "joinProject", ->
+		beforeEach ->
+			@req.params =
+				Project_id: @project_id
+			@req.query =
+				user_id: @user_id
+			@projectView = {
+				_id: @project_id
+			}
+			@EditorController.buildJoinProjectView = sinon.stub().callsArgWith(2, null, @projectView, "owner")
+			@ProjectDeleter.unmarkAsDeletedByExternalSource = sinon.stub()
+			
+		describe "successfully", ->
+			beforeEach ->
+				@EditorHttpController.joinProject @req, @res
+				
+			it "should get the project view", ->
+				@EditorController.buildJoinProjectView
+					.calledWith(@project_id, @user_id)
+					.should.equal true
+					
+			it "should return the project and privilege level", ->
+				@res.json
+					.calledWith({
+						project: @projectView
+						privilegeLevel: "owner"
+					})
+					.should.equal true
+					
+			it "should not try to unmark the project as deleted", ->
+				@ProjectDeleter.unmarkAsDeletedByExternalSource 
+					.called
+					.should.equal false
+					
+			it "should send an inc metric", ->
+				@Metrics.inc
+					.calledWith("editor.join-project")
+					.should.equal true
+					
+		describe "when the project is marked as deleted", ->	
+			beforeEach ->
+				@projectView.deletedByExternalDataSource = true
+				@EditorHttpController.joinProject @req, @res
+				
+			it "should unmark the project as deleted", ->
+				@ProjectDeleter.unmarkAsDeletedByExternalSource 
+					.calledWith(@project_id)
+					.should.equal true
+
 	describe "restoreDoc", ->
 		beforeEach ->
 			@req.params =

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

@@ -4,7 +4,7 @@ SandboxedModule = require('sandboxed-module')
 sinon = require('sinon')
 
 
-describe 'Project deleter', ->
+describe 'ProjectDeleter', ->
 
 	beforeEach ->
 		@project_id = "12312"
@@ -55,19 +55,7 @@ describe 'Project deleter', ->
 			@project = {
 				_id: @project_id
 			}
-	
-		describe "when the project does not have the flag set", ->
-			beforeEach ->
-				@project.deletedByExternalDataSource = false
-				@deleter.unmarkAsDeletedByExternalSource @project, @callback
-			
-			it "should not update the project", ->
-				@Project.update.called.should.equal false
-
-		describe "when the project does have the flag set", ->
-			beforeEach ->
-				@project.deletedByExternalDataSource = true
-				@deleter.unmarkAsDeletedByExternalSource @project, @callback
+			@deleter.unmarkAsDeletedByExternalSource @project_id, @callback
 		
 		it "should remove the flag from the project", ->
 			@Project.update