Initial Commit

src/mqtt_influx_backend/MQTTClientHandler.py

+import json
+from datetime import datetime
+import paho.mqtt.client as mqtt
+from mqtt_influx_backend import InfluxDBWriter
+
+class MQTTClientHandler:
+    def __init__(self, broker_url: str, topic: str, influx_writer: InfluxDBWriter):
+        self.broker_url = broker_url
+        self.topic = topic
+        self.influx_writer = influx_writer
+        self.client = mqtt.Client()
+        self.client.on_connect = self.on_connect
+        self.client.on_message = self.on_message
+
+    def on_connect(self, client, userdata, flags, rc):
+        print("Connected with result code " + str(rc))
+        client.subscribe(self.topic)
+
+    def on_message(self, client, userdata, msg):
+        print("hallo bin in der methofe")
+        try:
+            data = json.loads(msg.payload.decode())
+            value = float(data.get("value"))
+
+            self.influx_writer.write_point(
+                measurement="temperature",
+                tags={"topic": msg.topic},
+                fields={"value": value},
+                timestamp=datetime.utcnow()
+            )
+            print("Wrote to InfluxDB:", value)
+        except Exception as e:
+            print("Error processing message:", e)
+
+    def start(self):
+        self.client.connect(self.broker_url)
+        self.client.loop_forever()

src/mqtt_influx_backend/Main.py

+from dotenv import load_dotenv
+import os
+
+from mqtt_influx_backend.MQTTClientHandler import MQTTClientHandler
+from mqtt_influx_backend.InfluxDBWriter import InfluxDBWriter
+
+load_dotenv()
+
+def main():
+    influx_writer = InfluxDBWriter(
+    url=os.getenv("INFLUXDB_URL"),
+    token=os.getenv("INFLUXDB_TOKEN"),
+    org=os.getenv("INFLUXDB_ORG"),
+    bucket=os.getenv("INFLUXDB_BUCKET")
+    )
+
+    mqtt_handler = MQTTClientHandler(
+    broker_url=os.getenv("MQTT_BROKER_URL"),
+    topic=os.getenv("MQTT_TOPIC"),
+    influx_writer=influx_writer
+    )
+
+    mqtt_handler.start()
+
+if __name__ == "__main__":
+    main()