Fix of the notification subscription

Web/app.py

@@ -10479,45 +10479,49 @@ def mark_notification_read(notification_id):
     return redirect(url_for('notifications_view'))
 
 
-@app.route('/notifications/mark_all_read', methods=['POST'])
+@app.route('/notifications/mark-all-read', methods=['POST'])
 def mark_all_notifications_read():
-    """Mark all visible notifications as read for the current user."""
     if 'username' not in session:
+        flash('Bitte melden Sie sich an.', 'error')
         return redirect(url_for('login'))
 
     username = session['username']
-    is_admin_user = False
 
-    current_permissions = us.get_effective_permissions(session['username'])
-        
-    if not current_permissions['actions'].get('can_manage_settings', False):
-        is_admin_user = True
-    else:
-        is_admin_user = False
-
-    query = {
-        '$or': [
-            {'Audience': 'user', 'TargetUser': username},
-        ]
-    }
-    if is_admin_user:
-        query['$or'].append({'Audience': 'admin'})
+    current_permissions = us.get_effective_permissions(username)
+    is_admin_user = current_permissions['actions'].get('can_manage_settings', False)
 
     client = None
     try:
         client = MongoClient(MONGODB_HOST, MONGODB_PORT)
         db = client[MONGODB_DB]
-        result = db['notifications'].update_many(
+
+        # Filter-Logik: Welche Benachrichtigungen sollen als gelesen markiert werden?
+        # Wenn Sie 'Audience' nutzen (wie in Ihrer notifications_view Route):
+        query = {}
+        if is_admin_user:
+            # Ein Admin sieht sowohl an ihn gerichtete als auch allgemeine Admin-Meldungen
+            query['$or'] = [
+                {'TargetUser': username},
+                {'Audience': 'admin'}
+            ]
+        else:
+            # Normale User sehen nur Meldungen, die an sie oder alle User gerichtet sind
+            query['$or'] = [
+                {'TargetUser': username},
+                {'Audience': 'user'}
+            ]
+
+        # WICHTIG: Fügt den Benutzernamen per $addToSet in das ReadBy-Array ein.
+        # $addToSet verhindert, dass der Name doppelt eingetragen wird, falls er schon drinsteht.
+        db['notifications'].update_many(
             query,
-            {
-                '$addToSet': {'ReadBy': username},
-                '$set': {'UpdatedAt': datetime.datetime.now()}
-            }
+            {'$addToSet': {'ReadBy': username}}
         )
-        if result.modified_count > 0:
-            _bump_notification_version(f'user:{username}')
+
+        flash('Alle Benachrichtigungen wurden als gelesen markiert.', 'success')
     except Exception as exc:
-        app.logger.warning(f"Could not mark all notifications as read for {encrypt_text(username)}: {exc}")
+        app.logger.error(f"Error marking all notifications as read: {exc}")
+        flash('Fehler beim Aktualisieren der Benachrichtigungen.', 'error')
     finally:
         if client:
             client.close()
@@ -12145,7 +12149,7 @@ def subscribe_to_push():
         return jsonify({'success': False, 'error': 'Not authenticated'}), 401
     
     try:
-        data = request.get_json() or {}
+        data = request.get_json(silent=True) or {}
         subscription = data.get('subscription')
         
         if not subscription or not subscription.get('endpoint'):
@@ -12182,7 +12186,7 @@ def unsubscribe_from_push():
         return jsonify({'success': False, 'error': 'Not authenticated'}), 401
     
     try:
-        data = request.get_json() or {}
+        data = request.get_json(silent=True) or {}
         endpoint = data.get('endpoint')
         
         if not endpoint:
@@ -12250,7 +12254,7 @@ def test_push_notification():
         return jsonify({'success': False, 'error': 'Admin access required'}), 403
     
     try:
-        data = request.get_json() or {}
+        data = request.get_json(silent=True) or {}
         target_user = data.get('target_user', session['username'])
         
         sent = pn.send_push_notification(