pwa support check

components/PwaManager.tsx

@@ -7,13 +7,19 @@ import ProtectedRoute from './protectedRoute';
 import { UserRole } from '@prisma/client';
 
 function PwaManager() {
+    const isSupported = () =>
+        'Notification' in window &&
+        'serviceWorker' in navigator &&
+        'PushManager' in window
+
+    const [inProgress, setInProgress] = useState(false)
     const [deferredPrompt, setDeferredPrompt] = useState(null);
     const [isPWAInstalled, setIsPWAInstalled] = useState(false);
     const [isStandAlone, setIsStandAlone] = useState(false);
     const [isSubscribed, setIsSubscribed] = useState(false);
     const [subscription, setSubscription] = useState(null);
     const [registration, setRegistration] = useState(null);
-    const [notificationPermission, setNotificationPermission] = useState(Notification.permission);
+    const [notificationPermission, setNotificationPermission] = useState(isSupported() && Notification.permission);
     const [subs, setSubs] = useState("")
 
     const { data: session } = useSession();
@@ -23,10 +29,12 @@ function PwaManager() {
         isAdmin = session.user.role === UserRole.ADMIN;
     }
 
+
     // Handle PWA installation
     useEffect(() => {
-
-        setNotificationPermission(Notification.permission);
+        if (isSupported()) {
+            setNotificationPermission(Notification.permission);
+        }
 
         // Handle Push Notification Subscription
         if ('serviceWorker' in navigator && 'PushManager' in window) {
@@ -190,14 +198,19 @@ function PwaManager() {
     // Function to request push notification permission
     const requestNotificationPermission = async (e) => {
         e.preventDefault();
-        const permission = await Notification.requestPermission();
-        setNotificationPermission(permission);
-        if (permission === "granted") {
-            // User granted permission
-            subscribeToNotifications(null); // Pass the required argument here
-        } else {
-            // User denied or dismissed permission
-            console.log("Push notifications permission denied.");
+        if (isSupported()) {
+            const permission = await Notification.requestPermission();
+            setNotificationPermission(permission);
+            if (permission === "granted") {
+                // User granted permission
+                subscribeToNotifications(null); // Pass the required argument here
+            } else {
+                // User denied or dismissed permission
+                console.log("Push notifications permission denied.");
+            }
+        }
+        else {
+            console.error('Web push not supported');
         }
     };
 
@@ -308,6 +321,7 @@ function PwaManager() {
                     </button>
                 )}
                 {isPWAInstalled && <p>Инсталирано!</p>}
+                {!isSupported() && <p>Това устройство не поддържа нотификации</p>}
                 {/* {isStandAlone && <p>PWA App</p>} */}
                 <button
                     onClick={isSubscribed ? unsubscribeFromNotifications : subscribeToNotifications}