From f7b4a04a590ade26871abc726ade2c666176488e Mon Sep 17 00:00:00 2001
From: Tyler Renelle <tylerrenelle@gmail.com>
Date: Mon, 10 Feb 2014 11:35:33 -0700
Subject: [PATCH] feat(event-tracking): add server-side GA tracking for
 ecommerce events

---
 config.json.example                 | 3 ++-
 package.json                        | 3 ++-
 public/js/controllers/footerCtrl.js | 2 +-
 src/controllers/user.js             | 5 +++++
 src/middleware.js                   | 1 +
 src/utils.js                        | 4 ++++
 6 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/config.json.example b/config.json.example
index f63a71703e..da9b3bb238 100644
--- a/config.json.example
+++ b/config.json.example
@@ -17,5 +17,6 @@
     "STRIPE_API_KEY":"aaaabbbbccccddddeeeeffff00001111",
     "STRIPE_PUB_KEY":"22223333444455556666777788889999",
     "PAYPAL_MERCHANT":"paypal-merchant@gmail.com",
-    "NEW_RELIC_LICENSE_KEY":"NEW_RELIC_LICENSE_KEY"
+    "NEW_RELIC_LICENSE_KEY":"NEW_RELIC_LICENSE_KEY",
+    "GA_ID": "GA_ID"
 }
diff --git a/package.json b/package.json
index a529116deb..b3a788169d 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,8 @@
     "winston": "~0.7.2",
     "winston-mail": "~0.2.7",
     "winston-newrelic": "~0.1.4",
-    "domain-middleware": "~0.1.0"
+    "domain-middleware": "~0.1.0",
+    "universal-analytics": "~0.3.2"
   },
   "private": true,
   "subdomain": "habitrpg",
diff --git a/public/js/controllers/footerCtrl.js b/public/js/controllers/footerCtrl.js
index bcdd7ea6a5..5d2fa238e6 100644
--- a/public/js/controllers/footerCtrl.js
+++ b/public/js/controllers/footerCtrl.js
@@ -20,7 +20,7 @@
           (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');
-        ga('create', 'UA-33510635-1', 'habitrpg.com');
+        ga('create', window.env.GA_ID, 'habitrpg.com');
         ga('send', 'pageview');
       }
 
diff --git a/src/controllers/user.js b/src/controllers/user.js
index f580f0f360..9ca65c1056 100644
--- a/src/controllers/user.js
+++ b/src/controllers/user.js
@@ -10,6 +10,7 @@ var validator = require('validator');
 var check = validator.check;
 var sanitize = validator.sanitize;
 var User = require('./../models/user').model;
+var ga = require('./../utils').ga;
 var Group = require('./../models/group').model;
 var Challenge = require('./../models/challenge').model;
 var logging = require('./../logging');
@@ -294,6 +295,7 @@ api.buyGems = function(req, res, next) {
     function(response, cb) {
       //user.purchased.ads = true;
       if (req.query.plan) {
+        ga.event('subscribe', 'Stripe').send()
         user.purchased.plan = {
           planId:'basic_earned',
           customerId: response.id,
@@ -302,6 +304,7 @@ api.buyGems = function(req, res, next) {
           gemsBought: 0
         };
       } else {
+        ga.event('checkout', 'Stripe').send()
         user.balance += 5;
       }
       user.save(cb);
@@ -331,6 +334,7 @@ api.cancelSubscription = function(req, res, next) {
   ], function(err, saved){
     if (err) return res.send(500, err.toString()); // don't json this, let toString() handle errors
     res.send(200, saved);
+    ga.event('unsubscribe', 'Stripe').send()
   });
 
 }
@@ -351,6 +355,7 @@ api.buyGemsPaypalIPN = function(req, res, next) {
         //user.purchased.ads = true;
         user.save();
         logging.info('PayPal transaction completed and user updated');
+        ga.event('checkout', 'PayPal').send()
       });
     }
   });
diff --git a/src/middleware.js b/src/middleware.js
index e4e871b887..cce035bc14 100644
--- a/src/middleware.js
+++ b/src/middleware.js
@@ -234,6 +234,7 @@ module.exports.locals = function(req, res, next) {
       NODE_ENV: nconf.get('NODE_ENV'),
       BASE_URL: nconf.get('BASE_URL'),
       PAYPAL_MERCHANT: nconf.get('PAYPAL_MERCHANT'),
+      GA_ID: nconf.get("GA_ID"),
       IS_MOBILE: /Android|webOS|iPhone|iPad|iPod|BlackBerry/i.test(req.header('User-Agent')),
       STRIPE_PUB_KEY: nconf.get('STRIPE_PUB_KEY'),
       getManifestFiles: getManifestFiles,
diff --git a/src/utils.js b/src/utils.js
index fd29e8f4e8..b5f51ccb91 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -3,6 +3,8 @@ var nconf = require('nconf');
 var crypto = require('crypto');
 var path = require("path");
 
+module.exports.ga = undefined; // set Google Analytics on nconf init
+
 module.exports.sendEmail = function(mailData) {
   var smtpTransport = nodemailer.createTransport("SMTP",{
     service: nconf.get('SMTP_SERVICE'),
@@ -45,4 +47,6 @@ module.exports.setupConfig = function(){
     Error.stackTraceLimit = Infinity;
   if (nconf.get('NODE_ENV') === 'production')
     require('newrelic');
+
+  module.exports.ga = require('universal-analytics')(nconf.get('GA_ID'));
 };
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