models.py moved to models/models.py

refactor all imports

listener/.dockerignore

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+__pycache__/
+*.pyc
+*.pyo
+*.log

listener/Dockerfile

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+# Listener Dockerfile
+FROM python:3.13-slim
+
+WORKDIR /app
+
+COPY requirements.txt ./
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+
+CMD ["python", "listener.py"]

listener/listener.py

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+import os
+import json
+import logging
+import paho.mqtt.client as mqtt
+
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+from models.models import Client
+
+# Logging
+logging.basicConfig(level=logging.INFO,
+                    format='%(asctime)s [%(levelname)s] %(message)s')
+
+# DB-Konfiguration (Beispiel: MariaDB/MySQL, anpassen!)
+DB_URL = os.environ.get(
+    "DB_URL", "mysql+pymysql://user:password@db/infoscreen")
+engine = create_engine(DB_URL)
+Session = sessionmaker(bind=engine)
+
+
+# MQTT-Callback
+
+
+def on_message(client, userdata, msg):
+    try:
+        payload = json.loads(msg.payload.decode())
+        logging.info(f"Discovery empfangen: {payload}")
+        session = Session()
+        # Prüfen, ob Client schon existiert
+        existing = session.query(Client).filter_by(
+            client_id=payload["client_id"]).first()
+        if not existing:
+            new_client = Client(
+                client_id=payload.get("client_id"),
+                hardware_token=payload.get("hardware_token"),
+                ip=payload.get("ip"),
+                type=payload.get("type"),
+                hostname=payload.get("hostname"),
+                os_version=payload.get("os_version"),
+                software_version=payload.get("software_version"),
+                macs=",".join(payload.get("macs", [])),
+                model=payload.get("model"),
+            )
+            session.add(new_client)
+            session.commit()
+            logging.info(f"Neuer Client registriert: {payload['client_id']}")
+        else:
+            logging.info(f"Client bereits bekannt: {payload['client_id']}")
+        session.close()
+    except Exception as e:
+        logging.error(f"Fehler bei Verarbeitung: {e}")
+
+
+def main():
+    mqtt_client = mqtt.Client(protocol=mqtt.MQTTv311, callback_api_version=2)
+    mqtt_client.on_message = on_message
+    mqtt_client.connect("mqtt", 1883)
+    mqtt_client.subscribe("infoscreen/discovery")
+    logging.info("Listener gestartet und abonniert auf infoscreen/discovery")
+    mqtt_client.loop_forever()
+
+
+if __name__ == "__main__":
+    main()

listener/requirements.txt

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+paho-mqtt>=2.0
+SQLAlchemy>=2.0
+pymysql