override this as analytics.js

analytics.js

(function() {

  Checkout.ApplicationController.reopen({
    // Virtual Pageviews
    routeChanged: function() {
      Ember.run.next(function() {
        analytics.pageview('/checkout/cc/#/' + this.currentPath);
      }.bind(this));
    }.observes('currentPath')
  });

  Checkout.AnalyticsController = Ember.Controller.extend({
    actions: {
      trackTransaction: function(callback) {
        // Gather all data necessary to track the transaction from the Receipt.
        // All required data *must* be present in the Receipt.
        var receipt     = Checkout.get('Receipt')
          , affiliation = ''
          , orderNum    = receipt.order_number
          , revenue     = receipt.summary.subtotal
          , tax         = receipt.summary.tax      || Checkout.log('error', 'Missing tax cost.')
          , shipping    = receipt.summary.shipping || Checkout.log('error', 'Missing shipping cost.')
          , currency    = receipt.summary.currency || 'USD'
          , promos      = receipt.summary.promos
          , products    = receipt.products
          , _location   = Checkout.config.locationToTrack
          , location    = _location ? Checkout.get('BillingAddress') : Checkout.get('ShippingAddress')
          , accounts    = Checkout.get('config.analyticsAccounts');

        if (!receipt.isLoaded) {
          Checkout.log('error', 'Receipt has not yet loaded. '
            + 'Transaction will not be tracked. '
            + 'Receipt must be loaded before attemping to log transaction data.');

          if (typeof callback === 'function') {
            callback();
          }
        }

        if (!(orderNum && revenue && products && products.length)) {
          var warning = '⛔ WARNING! ⛔\nReceipt data incomplete.\n\n'
              + (!orderNum && 'Missing order number.\n')
              + (!revenue  && 'Missing subtotal.\n')
              + ((!products || !products.length) && 'Missing products.\n')
              + '\nAnalytics will fail!';

          if (App.env === 'development') {
            while(true) {
              alert(warning);
            }
          } else {
            console.warn(warning);
          }

          if (typeof callback === 'function') {
            callback();
          }

          return;
        }

        // Check for Free Shipping promo
        if (promos) {
          $.each(promos, function(i, promo) {
            if (/free shipping/gi.test(promo.description)) {
              shipping = '0.00';
            }
          });
        }

        // You can config which Google Analytics accounts to send the ecommerce
        // tracking data to in `config.js` for this checkout. It's an array of the
        // keys for the `trackingId`s configured in the frontend `config/analytics.json`
        Ember.$.each(accounts, function(i, account) {
          // Add Transaction
          _gaq.push([account + '._addTrans',
            orderNum,
            affiliation,
            revenue,
            tax,
            shipping,
            location.city,
            location.region,
            location.country
          ]);

          // Add Items
          Ember.$.each(products, function(i, product) {
            var options = product.options && $.map(product.options, function(value, key) { return value; });

            _gaq.push([account + '._addItem',
              orderNum,
              product.id || Checkout.log('error', 'Missing product id.'),
              product.title || Checkout.log('error', 'Missing product title.'),
              options && options.join(', '),
              product.price && product.price.per_item || Checkout.log('error', 'Missing product unit price.'),
              product.quantity || Checkout.log('error', 'Missing product quantity.')
            ]);
          });

          // Set currency
          _gaq.push([account + '._set', 'currencyCode', currency]);

          // Track Transaction
          _gaq.push([account + '._trackTrans']);
        });

        if (typeof callback === 'function') {
          callback();
        }
      }
    }
  });

})();