mqtt begin

servermqtt.py

@@ -0,0 +1,74 @@
+import os
+import time
+import requests
+import paho.mqtt.client as mqtt
+from dotenv import load_dotenv
+
+load_dotenv()
+
+API_URL = os.getenv("API_URL")
+MQTT_HOST = os.getenv("MQTT_HOST")
+MQTT_PORT = int(os.getenv("MQTT_PORT", 1883))
+
+def get_data_from_api(request):
+    links = {
+        'battery': '/battery_voltage_events/',
+        'devices': '/devices/',
+        'parEvents': '/par_events/',
+        'humidity': '/relative_humidity_events/',
+        'soilConductifity': '/soil_electric_conductivity_events/',
+        'soilPermittivity' : '/soil_relative_permittivity_events/',
+        'soilTemperature': '/soil_temperature_events/'
+    }
+    headers = {
+        'accept': 'application/json',
+        'Authorization': f'Token {os.getenv("API_TOKEN")}'
+    }
+    url = API_URL + links[request]
+    try:
+        response = requests.get(url, headers=headers)
+        response.raise_for_status()
+    except requests.exceptions.HTTPError as errh:
+        print ("HTTP Error:",errh)
+        return None
+    except requests.exceptions.ConnectionError as errc:
+        print ("Error Connecting:",errc)
+        return None
+    except requests.exceptions.Timeout as errt:
+        print ("Timeout Error:",errt)
+        return None
+    except requests.exceptions.RequestException as err:
+        print ("Something went wrong",err)
+        return None
+
+    data = response.json()
+    return data['results']
+
+def publish_to_mqtt(topic, message):
+    client = mqtt.Client()
+    client.connect(MQTT_HOST, MQTT_PORT, 60)
+    try:
+        client.publish(topic, message)
+    except mqtt.MQTTException as e:
+        print(f"Failed to publish message: {e}")
+    finally:
+        client.disconnect()
+
+def process_results(link, results):
+    for result in results:
+        if 'timestamp' in result and 'gateway_receive_time' in result and 'device' in result and 'value' in result:
+            message = f"Timestamp: {result['timestamp']}, Gateway Receive Time: {result['gateway_receive_time']}, Device: {result['device']}, Value: {result['value']}"
+            print(message)
+            publish_to_mqtt(link, message)
+
+def main():
+    links = ['battery', 'devices', 'parEvents', 'humidity', 'soilConductifity', 'soilPermittivity', 'soilTemperature']
+    while True:
+        for link in links:
+            results = get_data_from_api(link)
+            if results is not None:
+                process_results(link, results)
+        time.sleep(5)
+
+if __name__ == "__main__":
+    main()