Negev prepare cart total product count and price GTM teg.

<script>
(function() {
    function updateCartStatus() {
        try {
            var URL = window.location.origin + '/cart/';
            var parser = new DOMParser();
            var doc =  '';
            var data = null;
            var xhr = new XMLHttpRequest();
            xhr.withCredentials = true;
            xhr.addEventListener('readystatechange', function () {
                if (this.readyState === 4) {

                    doc = parser.parseFromString(this.responseText, 'text/html');

                    var productItemCounter = 0;
                    var productQuantityBlocks = doc.querySelectorAll('.shopping-cart_item .product-quantity');
                    for(var i = 0; i < productQuantityBlocks.length; i++ ) {
                        var pageQuantityInput = productQuantityBlocks[i].querySelector('.shopping-cart-item-quantity');

                        var pageQuantityInputDevider = productQuantityBlocks[i].querySelector('.product-quantity div[unit-data]');
                        if (pageQuantityInput && pageQuantityInputDevider) {
                            pageQuantityInput = parseFloat(pageQuantityInput.value);
                            pageQuantityInputDevider = parseFloat(pageQuantityInputDevider.getAttribute('unit-data'));

                            productItemCounter += pageQuantityInput / pageQuantityInputDevider;
                        }
                    }
                    var cartTotalPrice = doc.querySelector('.total-cart-display-price');
                    if (cartTotalPrice) {
                        cartTotalPrice = parseFloat(cartTotalPrice.textContent.replaceAll(',', ''));
                    } else {
                        cartTotalPrice = 0;
                    }
                    window.localStorage.setItem('cartTotal_ProductCount', productItemCounter);
                    window.localStorage.setItem('cartTotal_ProductPrice', cartTotalPrice);
                    var event = document.createEvent('Event');
                    event.initEvent('adoricTotalCartUpdated', true, true);
                    document.querySelector('body').dispatchEvent(event);
                }
            });
            xhr.open('GET', URL);
            xhr.setRequestHeader('cache-control', 'no-cache');
            xhr.send(data);
        } catch(error) {
            console.log(error.message);
        }
    }

    document.querySelector('body').addEventListener('click', function(event) {
        if (event.target.matches('.addToCart')) {
            setTimeout(updateCartStatus, 500);
        }
    });
    document.querySelector('body').addEventListener('touchend', function(event) {
        if (event.target.matches('.addToCart')) {
            setTimeout(updateCartStatus, 500);
        }
    });
})();
</script>