Set up purchase tracking

website/src/analytics.js

@@ -1,22 +1,74 @@
+var _ = require('lodash');
 var Amplitude = require('amplitude');
+var googleAnalytics = require('universal-analytics');
+
+var ga;
 var amplitude;
 
 var analytics = {
-  init: init,
-  track: track
+  trackPurchase: trackPurchase
 }
 
 function init(options) {
   if(!options) { throw 'No options provided' }
 
-  if(options.amplitudeToken) {
-    amplitude = new Amplitude(options.amplitudeToken, options.uuid);
+  amplitude = new Amplitude(options.amplitudeToken);
+  ga = googleAnalytics(options.googleAnalytics);
+
+  return analytics;
+}
+
+function trackPurchase(data) {
+  _sendPurchaseDataToAmplitude(data);
+  _sendPurchaseDataToGoogle(data);
+}
+
+function _sendPurchaseDataToAmplitude(data) {
+  var amplitudeData = _formatDataForAmplitude(data);
+  amplitudeData.event_type = 'purchase';
+  amplitudeData.revenue = data.purchaseValue;
+
+  amplitude.track(amplitudeData)
+}
+
+function _formatDataForAmplitude(data) {
+  var PROPERTIES_TO_SCRUB = ['uuid', 'user', 'purchaseValue'];
+  var event_properties = _.omit(data, PROPERTIES_TO_SCRUB);
+
+  var ampData = {
+    user_id: data.uuid,
+    event_properties: event_properties
   }
+
+  if(data.user) {
+    ampData.user_properties = _formatUserData(data.user);
+  }
+
+  return ampData;
 }
 
-function track(data) {
-  if(!amplitude) throw 'Amplitude not initialized';
-  amplitude.track(data);
+function _formatUserData(user) {
+  var data = {};
+
+  return data;
 }
 
-module.exports = analytics;
+function _sendPurchaseDataToGoogle(data) {
+  var label = data.paymentMethod;
+  var type = data.purchaseType;
+  var price = data.purchaseValue;
+  var qty = data.quantity;
+  var sku = data.sku;
+  var itemName = data.itemPurchased;
+  var variation = type;
+  if(data.gift) variation += ' - Gift';
+
+  ga.event('commerce', type, label, price)
+    .send();
+
+  ga.transaction(data.uuid, price)
+    .item(price, qty, sku, itemName, variation)
+    .send();
+}
+
+module.exports = init;