Implemenmtation of the new encryption into the my borrowed funktion

Web/app.py

@@ -10248,69 +10248,58 @@ def get_period_times(booking_date, period_num):
 
 """---------------------------------------------------------Borrowing-----------------------------------------------------------------"""
 
+
 @app.route('/my_borrowed_items')
 def my_borrowed_items():
     """
     Zeigt alle vom aktuellen Benutzer ausgeliehenen und geplanten Objekte an.
-    
-    Returns:
-        Response: Gerendertes Template mit den ausgeliehenen und geplanten Objekten des Benutzers
     """
     if 'username' not in session:
         flash('Bitte melden Sie sich an, um Ihre ausgeliehenen Objekte anzuzeigen', 'error')
         return redirect(url_for('login', next=request.path))
-    
+
     username = session['username']
+
     client = MongoClient(MONGODB_HOST, MONGODB_PORT)
     db = client[MONGODB_DB]
-    items_collection = db.items
+    items_collection = db['items']
-    ausleihungen_collection = db.ausleihungen
+    ausleihungen_collection = db['ausleihungen']
-    
+
-    # Get current time for comparison
+    all_ausleihungen = list(ausleihungen_collection.find({
-    current_time = datetime.datetime.now()
+        'Status': {'$in': ['active', 'planned']}
-    
-    # Get items currently borrowed by the user (where Verfuegbar=false and User=username)
-    borrowed_items = list(items_collection.find({'Verfuegbar': False, 'User': encrypt_text(username)}))
-    
-    # Get active and planned ausleihungen for the user
-    active_ausleihungen = list(ausleihungen_collection.find({
-        'User': encrypt_text(username),
-        'Status': 'active'
     }))
-    
+
-    planned_ausleihungen = list(ausleihungen_collection.find({
-        'User': encrypt_text(username),
-        'Status': 'planned'
-    }))
-    
-    # Process items
     active_items = []
     planned_items = []
-    processed_item_ids = set()  # Keep track of processed item IDs to avoid duplicates
+    processed_item_ids = set()
-    
+
-    # First, process items that are directly marked as borrowed by the user
+    for appointment in all_ausleihungen:
-    for item in borrowed_items:
+        raw_user = appointment.get('User', '')
-        # Convert ObjectId to string for template
+        try:
-        item['_id'] = str(item['_id'])
+            decrypted_user = decrypt_text(raw_user) if raw_user else ''
-        active_items.append(item)
+        except Exception as e:
-        processed_item_ids.add(item['_id'])
+            app.logger.error(f"Entschlüsselungsfehler: {e}")
-    
+            decrypted_user = ''
-    # Process active appointments
+
-    for appointment in active_ausleihungen:
+        if decrypted_user != username:
-        # Get the item ID from the appointment
+            continue
+
         item_id = appointment.get('Item')
-        
+        if not item_id:
-        if not item_id or str(item_id) in processed_item_ids:
+            continue
-            continue  # Skip if we already processed this item or no item ID
+
-        
+        try:
-        # Get item details
+            if isinstance(item_id, str):
-        item_obj = items_collection.find_one({'_id': ObjectId(item_id)})
+                query_id = ObjectId(item_id)
-        
+            else:
+                query_id = item_id
+            item_obj = items_collection.find_one({'_id': query_id})
+        except Exception:
+            item_obj = None
+
         if item_obj:
-            # Convert ObjectId to string for template
             item_obj['_id'] = str(item_obj['_id'])
-            
+
-            # Add appointment data
             item_obj['AppointmentData'] = {
                 'id': str(appointment['_id']),
                 'start': appointment.get('Start'),
@@ -10319,54 +10308,43 @@ def my_borrowed_items():
                 'period': appointment.get('Period'),
                 'status': appointment.get('VerifiedStatus', appointment.get('Status')),
             }
-            
+
-            # Mark that this item is part of an active appointment
+            status = appointment.get('Status')
-            item_obj['ActiveAppointment'] = True
+            if status == 'active':
-            
+                item_obj['ActiveAppointment'] = True
-            # Add to the list only if not already there
+                if str(item_obj['_id']) not in processed_item_ids:
-            if str(item_obj['_id']) not in processed_item_ids:
+                    active_items.append(item_obj)
-                active_items.append(item_obj)
+                    processed_item_ids.add(str(item_obj['_id']))
-                processed_item_ids.add(str(item_obj['_id']))
+            elif status == 'planned':
-    
+                planned_items.append(item_obj)
-    # Process planned appointments
+
-    for appointment in planned_ausleihungen:
+    all_borrowed_items = list(items_collection.find({'Verfuegbar': False}))
-        item_id = appointment.get('Item')
+    for item in all_borrowed_items:
-        
+        raw_item_user = item.get('User', '')
-        if not item_id:
+        try:
-            continue
+            dec_item_user = decrypt_text(raw_item_user) if raw_item_user else ''
-        
+        except Exception:
-        item_obj = items_collection.find_one({'_id': ObjectId(item_id)})
+            dec_item_user = ''
-        
+
-        if item_obj:
+        if dec_item_user == username and str(item['_id']) not in processed_item_ids:
-            item_obj['_id'] = str(item_obj['_id'])
+            item['_id'] = str(item['_id'])
-            
+            item['ActiveAppointment'] = True
-            # Add appointment data
+            item['AppointmentData'] = {'status': 'active (no document)'}
-            item_obj['AppointmentData'] = {
+            active_items.append(item)
-                'id': str(appointment['_id']),
+            processed_item_ids.add(item['_id'])
-                'start': appointment.get('Start'),
+
-                'end': appointment.get('End'),
-                'notes': appointment.get('Notes'),
-                'period': appointment.get('Period'),
-                'status': appointment.get('Status'),
-            }
-            
-            planned_items.append(item_obj)
-    
     client.close()
-    
+
-    # DEBUG: Log what we're passing to the template
+    # DEBUG Logging
-    app.logger.info(f"Passing {len(active_items)} active items and {len(planned_items)} planned items to template")
+    app.logger.info(
-    if planned_items:
+        f"Passing {len(active_items)} active items and {len(planned_items)} planned items to template for user {username}")
-        for i, item in enumerate(planned_items):
+
-            app.logger.info(f"Planned item {i+1}: {item['Name']}, Appointment ID: {item['AppointmentData']['id']}")
-    
     return render_template(
         'my_borrowed_items.html',
         items=active_items,
         planned_items=planned_items
     )
 
-
 @app.route('/api/push/vapid-key', methods=['GET'])
 def get_vapid_key():
     """