fixed TM-171 jira task

web/firebase-messaging-sw.js

@@ -12,3 +12,27 @@ firebase.initializeApp({
 });
 
 const messaging = firebase.messaging();
+
+// Handle background messages
+messaging.onBackgroundMessage(async (payload) => {
+
+    const notificationTitle = payload.notification.title;
+    const notificationOptions = {
+        body: payload.notification.body,
+        badge: '/icons/Icon-192.svg',
+        icon: '/icons/notification.svg',
+        data: payload.data,
+        click_action: payload.notification.click_action,
+    };
+
+    self.registration.showNotification(notificationTitle, notificationOptions);
+});
+
+// Open or focus the app when a notification is clicked
+self.addEventListener('notificationclick', (event) => {
+    event.notification.close();
+    const targetUrl = 'https://app.opplens.com/notification';
+    event.waitUntil(
+        self.clients.openWindow(targetUrl)
+    );
+});