send autoconfig on HA restart

Fixes #5

app/src/async_stream.py

@@ -136,8 +136,10 @@ class AsyncStream(Message):
         if self.server_side:
             db = self.db.db
 
-            if self.new_data.keys() & {'inverter', 'collector'}:
+            # check if new inverter or collevtor are available or if home assistant is online again
+            if (self.new_data.keys() & {'inverter', 'collector'}) or self.mqtt.home_assistant_restarted:
                 await self.register_home_assistant()
+                self.mqtt.home_assistant_restarted = False # clear flag
 
             for key in self.new_data:
                 if self.new_data[key] and key in db:

app/src/mqtt.py

@@ -21,6 +21,7 @@ class Mqtt(metaclass=Singleton):
         logger_mqtt.debug(f'MQTT: __init__') 
         loop = asyncio.get_event_loop()
         self.task = loop.create_task(self.__loop())
+        self.home_assistant_restarted = False
                 
         
     def __del__(self):
@@ -55,7 +56,11 @@ class Mqtt(metaclass=Singleton):
                     async with self.client.messages() as messages:
                         await self.client.subscribe(f"{ha['auto_conf_prefix']}/status")
                         async for message in messages:
-                            logger_mqtt.info(f'Home-Assistant Status: {message.payload.decode("UTF-8")}')
+                            status = message.payload.decode("UTF-8")
+                            logger_mqtt.info(f'Home-Assistant Status: {status}')
+                            if status == 'online':
+                                self.home_assistant_restarted = True  # set flag to force MQTT registering
+
             except aiomqtt.MqttError:
                 logger_mqtt.info(f"Connection lost; Reconnecting in {interval} seconds ...")
                 await asyncio.sleep(interval)