Shopify Customer Events实现Google意见征求模式

window.dataLayer = window.dataLayer || [];
function gtag() { dataLayer.push(arguments); }

/**
 * Function to update Google Consent Mode
 * @param {string} status - "granted" or "denied"
 */
function updateConsent(status) {
  const consentConfig = status === "granted" ? {
    'analytics_storage': 'granted',
    'ad_storage': 'granted',
    'ad_user_data': 'granted',
    'ad_personalization': 'granted'
  } : {
    'analytics_storage': 'denied',
    'ad_storage': 'denied',
    'ad_user_data': 'denied',
    'ad_personalization': 'denied',
    'region': ['AT','BE','BG','CY','CZ','DE','DK','EE','ES','FI','FR','GR','HR','HU','IE','IS','IT','LI','LT','LU','LV','MT','NL','NO','PL','PT','RO','SE','SI','SK']
  };

  gtag('consent', 'update', consentConfig);
}

// Check Shopify's privacy API for tracking consent
if (window.Shopify && Shopify.customerPrivacy) {
  Shopify.customerPrivacy.getTrackingConsent().then(consent => {
    if (consent === true) {
      updateConsent("granted");
    } else {
      updateConsent("denied");
    }
  });
}

// Check if the `_gcl_au` cookie exists
const cookies = document.cookie.split("; ");
const gclCookie = cookies.find(c => c.startsWith("_gcl_au="));

if (!gclCookie) {
  gtag('consent', 'default', {
    'analytics_storage': 'denied',
    'ad_storage': 'denied',
    'ad_user_data': 'denied',
    'ad_personalization': 'denied',
    'region': ['AT','BE','BG','CY','CZ','DE','DK','EE','ES','FI','FR','GR','HR','HU','IE','IS','IT','LI','LT','LU','LV','MT','NL','NO','PL','PT','RO','SE','SI','SK']
  });
} else {
  updateConsent("granted");
}

// Listen for user clicks on "Accept" or "Decline" buttons
document.addEventListener('click', function(e) {
  if (e.target.innerText.includes("Accept")) {
    Shopify.customerPrivacy.setTrackingConsent(true);
    updateConsent("granted");
  } else if (e.target.innerText.includes("Decline")) {
    Shopify.customerPrivacy.setTrackingConsent(false);
    updateConsent("denied");
  }
});