implement Edge-Hub integration with user_id validation (SCRUM-93, SCRUM-94)

- Agent: Updated config and main
- Edge: Implemented adapter factory in main.py to switch between MQTT and HTTP.
- Edge: Updated AgentData entity and processing logic to support user_id.
- Infrastructure: Configured docker-compose for dynamic protocol switching and environment management.

agent/src/config.py

@@ -8,7 +8,7 @@ def try_parse(type, value: str):
         return None
 
 
-USER_ID = 1
+USER_ID = try_parse(int, os.environ.get("USER_ID")) or 1
 # MQTT config
 MQTT_BROKER_HOST = os.environ.get("MQTT_BROKER_HOST") or "mqtt"
 MQTT_BROKER_PORT = try_parse(int, os.environ.get("MQTT_BROKER_PORT")) or 1883

agent/src/main.py

@@ -28,6 +28,7 @@ def publish(client, topic, datasource):
         data = datasource.read()
         msg = AggregatedDataSchema().dumps(data)
         result = client.publish(topic, msg)
+        print(f"Published to {topic}: {msg[:50]}...")
         status = result[0]
         if status != 0:
             print(f"Failed to send message to topic {topic}")