Use user feature flags to determine track changes state

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

@@ -20,10 +20,10 @@ module.exports = ProjectEditorHandler =
 		if !result.invites?
 			result.invites = []
 			
-		hasTrackChanges = false
+		trackChangesVisible = false
 		for member in members
 			if member.privilegeLevel == "owner" and member.user?.featureSwitches?.track_changes
-				hasTrackChanges = true
+				trackChangesVisible = true
 
 		{owner, ownerFeatures, members} = @buildOwnerAndMembersViews(members)
 		result.owner = owner
@@ -37,7 +37,8 @@ module.exports = ProjectEditorHandler =
 			compileGroup:"standard"
 			templates: false
 			references: false
-			trackChanges: hasTrackChanges
+			trackChanges: true # TODO: Set this to false to make track changes a paid feature
+			trackChangesVisible: trackChangesVisible # TODO: Get this from the beta flag when going to public beta
 		})
 
 		return result

services/web/app/views/project/editor/editor.pug

@@ -53,7 +53,7 @@ div.full-size(
 			syntax-validation="settings.syntaxValidation",
 			review-panel="reviewPanel",
 			events-bridge="reviewPanelEventsBridge"
-			track-changes-enabled="project.features.trackChanges",
+			track-changes-enabled="project.features.trackChangesVisible",
 			track-changes= "editor.trackChanges",
 			doc-id="editor.open_doc_id"
 			renderer-data="reviewPanel.rendererData"

services/web/app/views/project/editor/header.pug

@@ -87,7 +87,7 @@ header.toolbar.toolbar-header.toolbar-with-labels(
 
 		a.btn.btn-full-height(
 			href,
-			ng-if="project.features.trackChanges",
+			ng-if="project.features.trackChangesVisible",
 			ng-class="{ active: ui.reviewPanelOpen }"
 			ng-click="toggleReviewPanel()"
 		)

services/web/app/views/project/editor/review-panel.pug

@@ -29,7 +29,7 @@
 				ng-if="editor.wantTrackChanges == editor.trackChanges"
 				ng-model="editor.wantTrackChanges"
 				on-toggle="toggleTrackChanges"
-				disabled="!project.features.hasTrackChanges"
+				disabled="!project.features.trackChanges"
 				on-disabled-click="openTrackChangesUpgradeModal"
 			)
 		span.review-panel-toolbar-label.review-panel-toolbar-label-disabled(ng-if="!permissions.write")

services/web/config/settings.defaults.coffee

@@ -179,6 +179,7 @@ module.exports = settings =
 		compileGroup: "standard"
 		references: true
 		templates: true
+		trackChanges: true
 
 	plans: plans = [{
 		planCode: "personal"

services/web/public/coffee/ide/review-panel/controllers/ReviewPanelController.coffee

@@ -7,10 +7,6 @@ define [
 	App.controller "ReviewPanelController", ($scope, $element, ide, $timeout, $http, $modal, event_tracking) ->
 		$reviewPanelEl = $element.find "#review-panel"
 
-		# TODO Mocked feature flag, remove.
-		$scope.$on "project:joined", () ->
-			$scope.project.features.hasTrackChanges = true
-
 		$scope.SubViews =
 			CUR_FILE : "cur_file"
 			OVERVIEW : "overview"
@@ -435,7 +431,7 @@ define [
 			ide.editorManager.openDocId(doc_id, { gotoOffset: entry.offset })
 		
 		$scope.toggleTrackChanges = (value) ->
-			if $scope.project.features.hasTrackChanges
+			if $scope.project.features.trackChanges
 				$scope.editor.wantTrackChanges = value
 				$http.post "/project/#{$scope.project_id}/track_changes", {_csrf: window.csrfToken, on: value}
 				event_tracking.sendMB "rp-trackchanges-toggle", { value }