first commit

2025-10-14 21:27:41 +02:00
commit 44b8667f31
40 changed files with 4619 additions and 0 deletions
--- a/app/services/database_manager.py
+++ b/app/services/database_manager.py
@@ -0,0 +1,76 @@
+from app.services.database_service import DatabaseService
+import os
+
+class DatabaseManager:
+    """Manager für verschiedene Datenbankverbindungen"""
+    
+    def __init__(self):
+        self.connections = {}
+        self._load_default_connections()
+    
+    def _load_default_connections(self):
+        """Lade Standard-Datenbankverbindungen"""
+        
+        # Oracle-Datenbank (wenn konfiguriert)
+        oracle_host = os.environ.get('ORACLE_HOST')
+        if oracle_host:
+            self.connections['oracle'] = {
+                'name': 'Oracle Database',
+                'type': 'oracle',
+                'description': 'Oracle-Produktionsdatenbank',
+                'host': oracle_host,
+                'port': int(os.environ.get('ORACLE_PORT', 1521)),
+                'service_name': os.environ.get('ORACLE_SERVICE_NAME', 'ORCL'),
+                'username': os.environ.get('ORACLE_USERNAME'),
+                'password': os.environ.get('ORACLE_PASSWORD')
+            }
+        
+        # PostgreSQL (wenn konfiguriert)
+        postgres_host = os.environ.get('POSTGRES_HOST')
+        if postgres_host:
+            self.connections['postgres'] = {
+                'name': 'PostgreSQL Database',
+                'type': 'postgresql',
+                'description': 'PostgreSQL-Datenbank',
+                'host': postgres_host,
+                'port': int(os.environ.get('POSTGRES_PORT', 5432)),
+                'database': os.environ.get('POSTGRES_DATABASE', 'postgres'),
+                'username': os.environ.get('POSTGRES_USERNAME'),
+                'password': os.environ.get('POSTGRES_PASSWORD')
+            }
+    
+    def get_database_service(self, connection_name='demo'):
+        """Erstelle DatabaseService für spezifische Verbindung"""
+        if connection_name not in self.connections:
+            raise ValueError(f"Datenbankverbindung '{connection_name}' nicht gefunden")
+        
+        config = self.connections[connection_name]
+        
+        # Nur Oracle-Verbindungen unterstützt
+        return DatabaseService(config)
+    
+    def get_available_connections(self):
+        """Hole alle verfügbaren Datenbankverbindungen"""
+        return [
+            {
+                'key': key,
+                'name': config['name'],
+                'type': config['type'],
+                'description': config['description']
+            }
+            for key, config in self.connections.items()
+        ]
+    
+    def test_connection(self, connection_name):
+        """Teste eine Datenbankverbindung"""
+        try:
+            db_service = self.get_database_service(connection_name)
+            
+            # Oracle Test-Query
+            test_query = "SELECT 1 FROM DUAL"
+            
+            result = db_service.execute_query(test_query)
+            return {'success': True, 'message': 'Verbindung erfolgreich'}
+            
+        except Exception as e:
+            return {'success': False, 'message': str(e)}