Support the new update format from the track changes api

services/web/app/coffee/Features/TrackChanges/TrackChangesController.coffee

@@ -1,13 +1,21 @@
 logger = require "logger-sharelatex"
 request = require "request"
 settings = require "settings-sharelatex"
+AuthenticationController = require "../Authentication/AuthenticationController"
 
 module.exports = TrackChangesController =
 	proxyToTrackChangesApi: (req, res, next = (error) ->) ->
-		url = settings.apis.trackchanges.url + req.url
-		logger.log url: url, "proxying to track-changes api"
-		getReq = request(url: url, method: req.method)
-		getReq.pipe(res)
-		getReq.on "error", (error) ->
-			logger.error err: error, "track-changes API error"
-			next(error)
+		AuthenticationController.getLoggedInUserId req, (error, user_id) ->
+			return next(error) if error?
+			url = settings.apis.trackchanges.url + req.url
+			logger.log url: url, "proxying to track-changes api"
+			getReq = request(
+				url: url
+				method: req.method
+				headers:
+					"X-User-Id": user_id
+			)
+			getReq.pipe(res)
+			getReq.on "error", (error) ->
+				logger.error err: error, "track-changes API error"
+				next(error)

services/web/app/views/templates.jade

@@ -439,14 +439,17 @@
 			input(type="radio",name="toVersion").change-selector-to
 
 		div(class='change-description')
-			div(class='change-date') {{date}} 
-			div(class='change-name')
-				div.color-square(style="background-color: hsl({{hue}}, 100%, 70%);")
-				span {{name}}
+			div(class='change-date') {{date}}
+			div {{{users}}}
 
 		div(class='restore')
 			a(href="#") Restore to here
 
+	script(type='text/template')#changeListItemUserTemplate
+		div(class='change-name')
+			div.color-square(style="background-color: hsl({{hue}}, 100%, 70%);")
+			span {{name}}
+
 	script(type='text/template')#changeListTemplate
 		ul.change-list.nav.nav-pills.nav-stacked
 			li.loading-changes Loading...

services/web/public/coffee/pdf/PdfManager.coffee

@@ -143,7 +143,6 @@ define [
 							@view.showLog()
 
 					if outputFiles?
-						console.log "outputFiles", outputFiles
 						@view.showOutputFileDownloadLinks(outputFiles)
 
 		fetchLogAndUpdateView: (pdfExists) ->

services/web/public/coffee/track-changes/ChangeListView.coffee

@@ -158,24 +158,26 @@ define [
 			"click .restore a": "onRestoreClick"
 
 	
-		template : $("#changeListItemTemplate").html()
+		templates:
+			item: $("#changeListItemTemplate").html()
+			user: $("#changeListItemUserTemplate").html()
 
 		initialize: ->
 			@render()
 
 		render: ->
-			@$el.html Mustache.to_html(@template, @modelView())
-			return this
-		
-		modelView: ->
-			modelView = {
-				hue:  @model.get("user").hue()
+			userHtml = for user in @model.get("users")
+				Mustache.to_html @templates.user, {
+					hue:  user.hue()
+					name: user.name()
+				}
+			data = {
 				date: moment(parseInt(@model.get("end_ts"), 10)).calendar()
-				name: @model.get("user").name()
+				users: userHtml.join("")
 			}
-			# modelView.start_ts = util.formatDate(modelView.start_ts)
-			# modelView.end_ts = util.formatDate(modelView.end_ts)
-			return modelView
+
+			@$el.html Mustache.to_html(@templates.item, data)
+			return this
 
 		onClick: (e) ->
 			e.preventDefault()

services/web/public/coffee/track-changes/TrackChangesManager.coffee

@@ -37,8 +37,8 @@ define [
 				@diff = new Diff({
 					project_id: @project_id
 					doc_id: @doc_id
-					from: fromModel.get("version")
-					to:   toModel.get("version")
+					from: fromModel.get("fromVersion")
+					to:   toModel.get("toVersion")
 				})
 				@diffView = new DiffView(
 					model: @diff

services/web/public/coffee/track-changes/models/Change.coffee

@@ -7,10 +7,12 @@ define [
 			model = {
 				start_ts: change.meta.start_ts
 				end_ts: change.meta.end_ts
-				version: change.v
+				fromVersion: change.fromV
+				toVersion: change.toV
 			}
-			if change.meta.user?
-				model.user = User.findOrBuild(change.meta.user.id, change.meta.user)
-			else
-				model.user = User.getAnonymousUser()
+			model.users = []
+			for user in change.meta.users or []
+				model.users.push User.findOrBuild(user.id, user)
+			if model.users.length == 0
+				model.users.push User.getAnonymousUser()
 			return model

services/web/public/coffee/track-changes/models/ChangeList.coffee

@@ -12,7 +12,7 @@ define [
 			url = "/project/#{@options.project_id}/doc/#{@options.doc_id}/updates?limit=#{@batchSize}"
 			if @models.length > 0
 				last = @models[@models.length - 1]
-				url += "&to=#{last.get("version") - 1}"
+				url += "&to=#{last.get("fromVersion") - 1}"
 			return url
 
 		parse: (json) ->

services/web/public/stylesheets/less/trackchanges.less

@@ -28,7 +28,7 @@
 		background-color: white;
 
 		.track-changes-header {
-			background-color: black;
+			background-color: #282828;
 			h3 {
 				color: white;
 				padding-left: 8px;

services/web/test/UnitTests/coffee/TrackChanges/TrackChangesControllerTests.coffee

@@ -10,12 +10,14 @@ describe "TrackChangesController", ->
 			"request" : @request = sinon.stub()
 			"settings-sharelatex": @settings = {}
 			"logger-sharelatex": @logger = {log: sinon.stub(), error: sinon.stub()}
+			"../Authentication/AuthenticationController": @AuthenticationController = {}
 
 	describe "proxyToTrackChangesApi", ->
 		beforeEach ->
 			@req = { url: "/mock/url", method: "POST" }
 			@res = "mock-res"
 			@next = sinon.stub()
+			@user_id = "user-id-123"
 			@settings.apis =
 				trackchanges:
 					url: "http://trackchanges.example.com"
@@ -24,14 +26,22 @@ describe "TrackChangesController", ->
 				pipe: sinon.stub()
 				on: (event, handler) -> @events[event] = handler
 			@request.returns @proxy
+			@AuthenticationController.getLoggedInUserId = sinon.stub().callsArgWith(1, null, @user_id)
 			@TrackChangesController.proxyToTrackChangesApi @req, @res, @next
 
 		describe "successfully", ->
+			it "should get the user id", ->
+				@AuthenticationController.getLoggedInUserId
+					.calledWith(@req)
+					.should.equal true
+
 			it "should call the track changes api", ->
 				@request
 					.calledWith({
 						url: "#{@settings.apis.trackchanges.url}#{@req.url}"
 						method: @req.method
+						headers:
+							"X-User-Id": @user_id
 					})
 					.should.equal true