Order tracking pixel

// VIDEOWISE TRACKING PIXEL
const PIXEL_VERSION = "1.6";
const UID_COOKIE_NAME = "reeview_uid";
const CAMPAIGN_COOKIE_NAME = "reeview_campaign";
const LS_COOKIE_NAME = "reeview_lsid";
const WIDGET_EXPERIMENT_COOKIE_NAME = "REEVIEW_SESSION";
function setSessionCookie(name, value) {
  document.cookie = `${name}=${value}; path=/`;
}
function getCookie(name) {
  let cookieArr = document.cookie.split(";");
  for (let i = 0; i < cookieArr.length; i++) {
    let cookiePair = cookieArr[i].split("=");
    if (name === cookiePair[0].trim()) {
      return decodeURIComponent(cookiePair[1]);
    }
  }
  return null;
}
function deleteCookie(name) {
  document.cookie = name + "=; expires=Thu, 01 Jan 1970 00:00:00 UTC; path=/;";
}

function VW(orderId, orderTotal, orderCurrency, orderItems, shop) {
  const getDeviceType = () => {
    const size = 1024;
    const isDesktop = window.screen.width > size;
    return isDesktop ? "DESKTOP" : "MOBILE";
  };

  if (getCookie(UID_COOKIE_NAME) && shop && orderId && orderTotal) {
    const clientTs = new Date();
    const trackingUrl = `https://api.videowise.com/tracking/pixel?uid=${getCookie(
      UID_COOKIE_NAME
    )}&deviceType=${getDeviceType()}&orderId=${orderId}&shop=${shop}&checkout_type=SHOPIFY&order_total=${orderTotal}&currency=${orderCurrency}&order_items=${orderItems}&campaignId=${getCookie(
      CAMPAIGN_COOKIE_NAME
    )}&lsId=${getCookie(
      LS_COOKIE_NAME
    )}&clientTs=${clientTs.toISOString()}&experiment=${getCookie(
      WIDGET_EXPERIMENT_COOKIE_NAME
    )}`;
    fetch(trackingUrl).then((res) => {
      console.log(
        `Videowise pixel (version: ${PIXEL_VERSION}) executed correctly`
      );
      deleteCookie(CAMPAIGN_COOKIE_NAME);
    });
  }
}

analytics.subscribe("checkout_completed", (event) => {
  const checkout = event.data.checkout;
  VW(
    checkout.order.id,
    checkout.totalPrice.amount,
    checkout.currencyCode,
    checkout.lineItems.length,
    event.context.window.location.host
  );
});

analytics.subscribe("page_viewed", (event) => {
  if (!event.context.window.location.search.includes("videowise_campaign_id")) {
    console.log("Videowise no campaign cookie detected");
    return;
  }
  const vars = new URLSearchParams(event.context.window.location.search);
  const campaignId = vars.get("videowise_campaign_id");
  if (campaignId) {
    setSessionCookie(CAMPAIGN_COOKIE_NAME, campaignId);
  }
});

<!--VIDEOWISE TRACKING PIXEL-->
<script>
(function() {
  // make sure the initial conversion isn't tracked twice
  {% if first_time_accessed == false %}
    return;
  {% endif %}

  var orderId = '{{ order_id }}';
  var orderTotal = '{{ subtotal_price | divided_by: 100.0 }}';
  var orderCurrency = '{{ currency }}';
  var orderItems = '{{ line_items.size }}';
  var shop = '{{ shop.permanent_domain }}';

  const getCookie = () => {
    const value = `; ${document.cookie}`;
    const parts = value.split(`reeview_uid=`);
    if (parts.length === 2) return parts.pop().split(";").shift();
  };
  const getDeviceType = () => {
    const size = 1024;
    const isDesktop = window.screen.width > size;
    return isDesktop ? "DESKTOP" : "MOBILE";
  };
  if (getCookie() &&shop && orderId && orderTotal) {
    const trackingUrl = `https://api.videowise.com/tracking/pixel?uid=${getCookie()}&deviceType=${getDeviceType()}&orderId=${orderId}&shop=${shop}&checkout_type=SHOPIFY&order_total=${orderTotal}&currency=${orderCurrency}&order_items=${orderItems}`;
    fetch(trackingUrl).then(res=>{console.log("Videowise pixel executed correctly");})
  }
})();
</script>