From cbe22f5cc7d1fe3290b672a1acde9ab52bb61a42 Mon Sep 17 00:00:00 2001
From: Jessica Lawshe <jessica.lawshe@overleaf.com>
Date: Wed, 27 Nov 2019 14:44:49 -0600
Subject: [PATCH] Add Google Optimize

GitOrigin-RevId: 4c485be83456bf632d1b5f6790f2757d2b3aad54
---
 .../app/src/Features/Subscription/SubscriptionController.js   | 1 +
 services/web/app/src/infrastructure/ExpressLocals.js          | 1 +
 services/web/app/views/layout.pug                             | 4 ++++
 services/web/config/settings.defaults.coffee                  | 3 ++-
 4 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/services/web/app/src/Features/Subscription/SubscriptionController.js b/services/web/app/src/Features/Subscription/SubscriptionController.js
index 0795ddb407..26a7d33aee 100644
--- a/services/web/app/src/Features/Subscription/SubscriptionController.js
+++ b/services/web/app/src/Features/Subscription/SubscriptionController.js
@@ -52,6 +52,7 @@ module.exports = SubscriptionController = {
             title: 'plans_and_pricing',
             plans,
             gaExperiments: Settings.gaExperiments.plansPage,
+            gaOptimize: true,
             recomendedCurrency,
             planFeatures,
             groupPlans: GroupPlansData
diff --git a/services/web/app/src/infrastructure/ExpressLocals.js b/services/web/app/src/infrastructure/ExpressLocals.js
index 2a85cc2889..7a89154e49 100644
--- a/services/web/app/src/infrastructure/ExpressLocals.js
+++ b/services/web/app/src/infrastructure/ExpressLocals.js
@@ -266,6 +266,7 @@ module.exports = function(webRouter, privateApiRouter, publicApiRouter) {
 
   webRouter.use(function(req, res, next) {
     res.locals.gaToken = Settings.analytics && Settings.analytics.ga.token
+    res.locals.gaOptimizeId = _.get(Settings, ['analytics', 'gaOptimize', 'id'])
     next()
   })
 
diff --git a/services/web/app/views/layout.pug b/services/web/app/views/layout.pug
index 363ad36238..054c5693ef 100644
--- a/services/web/app/views/layout.pug
+++ b/services/web/app/views/layout.pug
@@ -35,6 +35,10 @@ html(
 				(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
 				m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
 				})(window,document,'script','//www.google-analytics.com/analytics.js','ga');
+			if gaOptimize === true && typeof(gaOptimizeId) != "undefined"
+				script(type='text/javascript').
+					ga('require', '#{gaOptimizeId}')
+			script(type='text/javascript').
 				ga('create', '#{gaToken}', '#{settings.cookieDomain.replace(/^\./, "")}');
 				ga('send', 'pageview');
 		- else
diff --git a/services/web/config/settings.defaults.coffee b/services/web/config/settings.defaults.coffee
index a1160ab322..8c3220bb22 100644
--- a/services/web/config/settings.defaults.coffee
+++ b/services/web/config/settings.defaults.coffee
@@ -358,7 +358,8 @@ module.exports = settings =
 	# analytics:
 	# 	ga:
 	# 		token: ""
-	#
+	# 	gaOptimize:
+	# 		id: ""
 	# ShareLaTeX's help desk is provided by tenderapp.com
 	# tenderUrl: ""
 	#