"Refactor database shm files for improved performance (feat)"

backend/app/app.py

@@ -23,13 +23,46 @@ from models import init_database, create_initial_admin, User, Printer, Job, Stat
 from utils.logging_config import setup_logging, get_logger, measure_execution_time, log_startup_info, debug_request, debug_response
 from utils.job_scheduler import JobScheduler, get_job_scheduler
 from utils.queue_manager import start_queue_manager, stop_queue_manager, get_queue_manager
-from config.settings import SECRET_KEY, UPLOAD_FOLDER, ALLOWED_EXTENSIONS, ENVIRONMENT, SESSION_LIFETIME
+from config.settings import SECRET_KEY, UPLOAD_FOLDER, ALLOWED_EXTENSIONS, ENVIRONMENT, SESSION_LIFETIME, SCHEDULER_ENABLED, SCHEDULER_INTERVAL
 
 # Blueprints importieren
 from blueprints.guest import guest_blueprint
 from blueprints.calendar import calendar_blueprint
 from blueprints.users import users_blueprint
 
+# Scheduler importieren falls verfügbar
+try:
+    from utils.job_scheduler import scheduler
+except ImportError:
+    scheduler = None
+
+# SSL-Kontext importieren falls verfügbar
+try:
+    from utils.ssl_config import get_ssl_context
+except ImportError:
+    def get_ssl_context():
+        return None
+
+# Template-Helfer importieren falls verfügbar
+try:
+    from utils.template_helpers import register_template_helpers
+except ImportError:
+    def register_template_helpers(app):
+        pass
+
+# Datenbank-Monitor und Backup-Manager importieren falls verfügbar
+try:
+    from utils.database_monitor import DatabaseMonitor
+    database_monitor = DatabaseMonitor()
+except ImportError:
+    database_monitor = None
+
+try:
+    from utils.backup_manager import BackupManager
+    backup_manager = BackupManager()
+except ImportError:
+    backup_manager = None
+
 # Flask-App initialisieren
 app = Flask(__name__)
 app.secret_key = SECRET_KEY
@@ -2565,6 +2598,12 @@ def forbidden_error(error):
 def get_database_stats():
     """Gibt Datenbank-Statistiken zurück."""
     try:
+        if database_monitor is None:
+            return jsonify({
+                "success": False,
+                "error": "Database Monitor nicht verfügbar"
+            }), 503
+            
         stats = database_monitor.get_database_stats()
         return jsonify({
             "success": True,
@@ -2582,6 +2621,12 @@ def get_database_stats():
 def check_database_health():
     """Führt eine Datenbank-Gesundheitsprüfung durch."""
     try:
+        if database_monitor is None:
+            return jsonify({
+                "success": False,
+                "error": "Database Monitor nicht verfügbar"
+            }), 503
+            
         health = database_monitor.check_database_health()
         return jsonify({
             "success": True,
@@ -2599,6 +2644,12 @@ def check_database_health():
 def optimize_database():
     """Führt Datenbank-Optimierung durch."""
     try:
+        if database_monitor is None:
+            return jsonify({
+                "success": False,
+                "error": "Database Monitor nicht verfügbar"
+            }), 503
+            
         result = database_monitor.optimize_database()
         return jsonify({
             "success": result["success"],
@@ -2616,6 +2667,12 @@ def optimize_database():
 def create_database_backup():
     """Erstellt ein manuelles Datenbank-Backup."""
     try:
+        if backup_manager is None:
+            return jsonify({
+                "success": False,
+                "error": "Backup Manager nicht verfügbar"
+            }), 503
+            
         data = request.get_json() or {}
         compress = data.get('compress', True)
         
@@ -2638,6 +2695,12 @@ def create_database_backup():
 def list_database_backups():
     """Listet alle verfügbaren Datenbank-Backups auf."""
     try:
+        if backup_manager is None:
+            return jsonify({
+                "success": False,
+                "error": "Backup Manager nicht verfügbar"
+            }), 503
+            
         backups = backup_manager.get_backup_list()
         
         # Konvertiere datetime-Objekte zu Strings für JSON
@@ -2660,6 +2723,12 @@ def list_database_backups():
 def restore_database_backup():
     """Stellt ein Datenbank-Backup wieder her."""
     try:
+        if backup_manager is None:
+            return jsonify({
+                "success": False,
+                "error": "Backup Manager nicht verfügbar"
+            }), 503
+            
         data = request.get_json()
         if not data or 'backup_path' not in data:
             return jsonify({