Shopify Pixel Events (Assignment)

user-pixel.js

(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
})(window,document,'script','dataLayer','GTM-K9W894CT');


/**
* View Cart
*/
analytics.subscribe("cart_viewed", function(event) {
  var item_value = event.data.cart.cost.totalAmount.amount;
  var currencyCode = event.data.cart.cost.totalAmount.currencyCode;

  var lineItems = event.data.cart.lines;
  var items = [];

   lineItems.forEach(function(lineItem) {
      var id = lineItem.merchandise.product.id
      var title = lineItem.merchandise.product.title;
      var price = lineItem.merchandise.price.amount;
      var quantity = lineItem.quantity;
  
      var item = {
          item_id: id,
          item_name: title,
          price: price,
          quantity: quantity,
      }
  
      items.push(item);
   })

  var ecommerce = {
    value: item_value,
    currency: currencyCode,
    items: items
  };

  var viewCartData = {
    event: "view_cart",
    ecommerce: ecommerce,
  };

  
  dataLayer.push(viewCartData);
  console.log('Event: view_cart', viewCartData);
});


/**
* Todo: Complete Purchse Event
*/
analytics.subscribe('checkout_completed', function(event) {
  console.log('purchase event', event);
})