Sodastream dynamic embed to add functionality "add to cart" for campaigns with recommendation element.

 <script>
     (function() {
         function getUrlParameter(name, URL) {
             name = name.replace(/[\[]/, "\\[").replace(/[\]]/, "\\]");
             var regex = new RegExp("[\\?&]" + name + "=([^&#]*)");
             var results = regex.exec(URL);
             return results === null ? '' : decodeURIComponent(results[1].replace(/\+/g, " "));
         }

         function adoricAddToCart(productId) {
             var data = {
                 "id": productId,
                 "quantity": 1
             };
             var xhr = new XMLHttpRequest();
             xhr.withCredentials = true;
             xhr.addEventListener('readystatechange', function() {
                 if (this.readyState === 4) {
                     console.log(this.responseText);
                     window.location.reload();
                 }
             });
             xhr.open('POST', window.location.origin + '/cart/add.js');
             xhr.setRequestHeader('content-type', 'application/json');
             xhr.setRequestHeader('cache-control', 'no-cache');
             xhr.send(JSON.stringify(data));
         }
         if (window.Element && !Element.prototype.closest) {
             Element.prototype.closest = function(s) {
                 var matches = (this.document || this.ownerDocument).querySelectorAll(s),
                     i, el = this;
                 do {
                     i = matches.length;
                     while (--i >= 0 && matches.item(i) !== el) {};
                 } while ((i < 0) && (el = el.parentElement));
                 return el;
             };
         }
         var currentCampaignRepeater = document.querySelector('.' + self.identifier + ' .repeater-content');
         currentCampaignRepeater.addEventListener('click', function(event) {
             var productItem = event.target.closest('.repeater-item');
             event.preventDefault();
             if (event.target.getAttribute('role') === 'button' && productItem) {
                 var productInformation = JSON.parse(productItem.dataset.productInfo);
                 var productId = getUrlParameter('variant', productInformation.link);
                 window.ga && window.ga('t0.send', 'event', {
                     eventCategory: "Adoric - " + self.campaignTitle + '(' + self.versionTitle + ')',
                     eventAction: 'click',
                     eventLabel: 'Added to the cart - ' + productInformation.title,
                 });
                 adoricAddToCart(productId);
             }
         });
     })();
 </script>