push notifications

frontend/sw.js

@@ -24,3 +24,28 @@ self.addEventListener('fetch', (event) => {
         })
     );
 });
+self.addEventListener('push', (event) => {
+    const data = event.data ? event.data.json() : { title: 'Notification', body: 'New update from Agency' };
+
+    const options = {
+        body: data.body,
+        icon: '/icon-192.png',
+        badge: '/icon-192.png',
+        vibrate: [100, 50, 100],
+        data: {
+            dateOfArrival: Date.now(),
+            primaryKey: '1'
+        }
+    };
+
+    event.waitUntil(
+        self.registration.showNotification(data.title, options)
+    );
+});
+
+self.addEventListener('notificationclick', (event) => {
+    event.notification.close();
+    event.waitUntil(
+        clients.openWindow('/')
+    );
+});