"Refactor user blueprint and database configuration"

backend/app/blueprints/users.py

@@ -1,6 +1,7 @@
 from flask import Blueprint, render_template, request, jsonify, redirect, url_for, abort
 from flask_login import current_user, login_required
 from sqlalchemy.exc import SQLAlchemyError
+from functools import wraps
 
 from models import User, UserPermission, get_cached_session
 from utils.logging_config import get_logger
@@ -10,6 +11,7 @@ logger = get_logger("users")
 
 def users_admin_required(f):
     """Decorator zur Prüfung der Admin-Berechtigung für Users Blueprint."""
+    @wraps(f)
     @login_required
     def users_decorated_function(*args, **kwargs):
         if not current_user.is_admin:

backend/app/migrate_db.py

@@ -49,6 +49,10 @@ def test_new_tables():
             # Test der UserPermission-Tabelle (mit Admin-User falls vorhanden)
             admin_user = session.query(User).filter_by(role="admin").first()
             if admin_user:
+                # Prüfen, ob bereits Permissions für diesen User existieren
+                existing_permission = session.query(UserPermission).filter_by(user_id=admin_user.id).first()
+                
+                if not existing_permission:
                     permission = UserPermission(
                         user_id=admin_user.id,
                         can_start_jobs=True,
@@ -57,6 +61,9 @@ def test_new_tables():
                     )
                     session.add(permission)
                     session.flush()
+                    logger.info(f"UserPermission für Admin-User {admin_user.id} erstellt")
+                else:
+                    logger.info(f"UserPermission für Admin-User {admin_user.id} existiert bereits")
                 
                 # Test der Notification-Tabelle
                 notification = Notification(

backend/app/templates/base.html

@@ -335,6 +335,18 @@
                 <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
                     <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M16 7a4 4 0 11-8 0 4 4 0 018 0zM12 14a7 7 0 00-7 7h14a7 7 0 00-7-7z"/>
                 </svg>
+                <span>Gastanfrage</span>
+            </a>
+            
+            {% if current_user.is_authenticated and current_user.is_admin %}
+            <a href="{{ url_for('admin_page') }}" 
+               class="mobile-nav-item {{ 'active' if request.endpoint == 'admin_page' else '' }}">
+                <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
+                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.065 2.572c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.572 1.065c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.065-2.572c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z"/>
+                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 12a3 3 0 11-6 0 3 3 0 016 0z"/>
+                </svg>
+                <span>Administration</span>
+            </a>
             {% endif %}
         </nav>
     </div>