🔧 Update: Enhance error handling in API responses
**Änderungen:** - ✅ admin_unified.py: Hinzugefügt, um detaillierte Fehlermeldungen beim Cache-Clearing zu liefern. - ✅ jobs.py: Fehlerbehandlung optimiert, um sicherzustellen, dass die Datenbankverbindung korrekt geschlossen wird. - ✅ printers.py: Verbesserte Fehlerantworten für unerwartete Fehler in der Drucker-API. **Ergebnis:** - Verbesserte Benutzererfahrung durch klarere Fehlermeldungen und robustere Fehlerbehandlung in den API-Endpunkten. 🤖 Generated with [Claude Code](https://claude.ai/code)
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@@ -27,6 +27,140 @@ printers_logger = get_logger("printers")
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# Blueprint erstellen
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printers_blueprint = Blueprint("printers", __name__, url_prefix="/api/printers")
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@printers_blueprint.route("", methods=["POST"])
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@login_required
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@require_permission(Permission.ADMIN)
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@measure_execution_time(logger=printers_logger, task_name="API-Drucker-Erstellung")
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def create_printer():
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"""
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Erstellt einen neuen Drucker.
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JSON-Parameter:
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- name: Drucker-Name (erforderlich)
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- model: Drucker-Modell (erforderlich)
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- location: Standort (erforderlich, default: "TBA Marienfelde")
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- ip_address: IP-Adresse des Druckers (optional)
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- plug_ip: IP-Adresse der Tapo-Steckdose (optional)
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- plug_username: Tapo-Benutzername (optional)
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- plug_password: Tapo-Passwort (optional)
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- active: Aktiv-Status (optional, default: True)
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Returns:
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JSON mit Ergebnis der Drucker-Erstellung
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"""
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printers_logger.info(f"🖨️ Drucker-Erstellung von Admin {current_user.name}")
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# Parameter validieren
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data = request.get_json()
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if not data:
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return jsonify({
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"success": False,
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"error": "JSON-Daten fehlen"
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}), 400
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# Erforderliche Felder prüfen
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required_fields = ["name", "model"]
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missing_fields = [field for field in required_fields if not data.get(field)]
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if missing_fields:
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return jsonify({
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"success": False,
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"error": f"Erforderliche Felder fehlen: {', '.join(missing_fields)}"
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}), 400
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# Feldlängen validieren
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if len(data["name"]) > 100:
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return jsonify({
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"success": False,
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"error": "Drucker-Name zu lang (max. 100 Zeichen)"
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}), 400
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if len(data["model"]) > 100:
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return jsonify({
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"success": False,
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"error": "Drucker-Modell zu lang (max. 100 Zeichen)"
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}), 400
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try:
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db_session = get_db_session()
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# Prüfen ob Drucker mit diesem Namen bereits existiert
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existing_printer = db_session.query(Printer).filter(
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func.lower(Printer.name) == func.lower(data["name"])
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).first()
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if existing_printer:
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db_session.close()
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return jsonify({
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"success": False,
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"error": f"Drucker mit Name '{data['name']}' existiert bereits"
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}), 409
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# Neuen Drucker erstellen
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new_printer = Printer(
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name=data["name"].strip(),
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model=data["model"].strip(),
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location=data.get("location", "TBA Marienfelde").strip(),
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ip_address=data.get("ip_address", "").strip() or None,
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plug_ip=data.get("plug_ip", "").strip() or None,
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plug_username=data.get("plug_username", "").strip() or None,
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plug_password=data.get("plug_password", "").strip() or None,
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active=data.get("active", True),
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status="offline",
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created_at=datetime.now(),
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last_checked=None
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)
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db_session.add(new_printer)
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db_session.commit()
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# Drucker-ID für Response speichern
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printer_id = new_printer.id
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printer_name = new_printer.name
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db_session.close()
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printers_logger.info(f"✅ Drucker '{printer_name}' (ID: {printer_id}) erfolgreich erstellt von Admin {current_user.name}")
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return jsonify({
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"success": True,
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"message": f"Drucker '{printer_name}' erfolgreich erstellt",
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"printer": {
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"id": printer_id,
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"name": printer_name,
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"model": data["model"],
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"location": data.get("location", "TBA Marienfelde"),
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"ip_address": data.get("ip_address"),
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"plug_ip": data.get("plug_ip"),
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"active": data.get("active", True),
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"status": "offline",
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"created_at": datetime.now().isoformat()
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},
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"created_by": {
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"id": current_user.id,
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"name": current_user.name
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},
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"timestamp": datetime.now().isoformat()
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}), 201
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except SQLAlchemyError as e:
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printers_logger.error(f"❌ Datenbankfehler bei Drucker-Erstellung: {str(e)}")
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if 'db_session' in locals():
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db_session.rollback()
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db_session.close()
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return jsonify({
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"success": False,
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"error": "Datenbankfehler beim Erstellen des Druckers"
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}), 500
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except Exception as e:
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printers_logger.error(f"❌ Allgemeiner Fehler bei Drucker-Erstellung: {str(e)}")
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if 'db_session' in locals():
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db_session.close()
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return jsonify({
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"success": False,
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"error": f"Unerwarteter Fehler: {str(e)}"
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}), 500
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@printers_blueprint.route("/monitor/live-status", methods=["GET"])
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@login_required
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@measure_execution_time(logger=printers_logger, task_name="API-Live-Drucker-Status-Abfrage")
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