async function sendCouponViaFCM()

in coupon-on-purchase/functions/index.js [50:76]

• 21 lines of code
• 3 McCabe index (conditional complexity)

async function sendCouponViaFCM(uid, userLanguage) {
  // Fetching all the user's device tokens.
  const tokens = await getDeviceTokens(uid);
  if (tokens.length > 0) {
    // Notification details.
    let payload = {
      notification: {
        title: 'Thanks for your Purchase!',
        body: 'Get 10% off your next purchase with "COMEBACK10".',
      },
    };

    // Notification in French.
    if (userLanguage.split('-')[0] === 'fr') {
      payload = {
        notification: {
          title: 'Merci pour votre achat!',
          body: 'Obtenez 10% de réduction sur votre prochain achat avec "COMEBACK10".',
        },
      };
    }

    // Send notifications to all tokens.
    return admin.messaging().sendToDevice(tokens, payload);
  }
  return null;
}