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path: root/bin/temphum_mqtt_receiver.py
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#!/usr/bin/env python3
import paho.mqtt.client as mqtt
import re
import include_homekit

from homekit.config import config
from homekit.mqtt import MqttWrapper, MqttNode


class MqttServer(Mqtt):
    def __init__(self):
        super().__init__(clean_session=False)
        self.database = SensorsDatabase()

    def on_connect(self, client: mqtt.Client, userdata, flags, rc):
        super().on_connect(client, userdata, flags, rc)
        self._logger.info("subscribing to hk/#")
        client.subscribe('hk/#', qos=1)

    def on_message(self, client: mqtt.Client, userdata, msg):
        super().on_message(client, userdata, msg)
        try:
            variants = '|'.join([s.name.lower() for s in TemperatureSensorLocation])
            match = re.match(rf'hk/(\d+)/si7021/({variants})', msg.topic)
            if not match:
                return

            # FIXME string home_id must be supported
            home_id = int(match.group(1))
            sensor = get_sensor_type(match.group(2))

            payload = Temperature.unpack(msg.payload)
            self.database.add_temperature(home_id, payload.time, sensor,
                                          temp=int(payload.temp*100),
                                          rh=int(payload.rh*100))
        except Exception as e:
            self._logger.exception(str(e))


if __name__ == '__main__':
    config.load_app('temphum_mqtt_receiver')

    mqtt = MqttWrapper(clean_session=False)
    node = MqttNode(node_id='+')
    node.load_module('temphum', write_to_database=True)
    mqtt.add_node(node)

    mqtt.connect_and_loop()