feat: subscribe the proxy gateway child device up messages even though the device is offline (#1393)

* feat: subscribe the proxy gateway child device up messages even though the device is offline (#1313)

* feat: do not subscribe proxy gateway child device online/offline state message

Author: SusanPhevos

custom_components/xiaomi_home/miot/miot_client.py

@@ -1374,10 +1374,13 @@ async def __update_devices_from_cloud_async(
         """Update cloud devices.
         NOTICE: This function will operate the cloud_list
         """
-        # MIoT cloud service may not publish the online state updating message
+        # MIoT cloud may not publish the online state updating message
         # for the BLE device. Assume that all BLE devices are online.
+        # MIoT cloud does not publish the online state updating message for the
+        # child device under the proxy gateway (eg, VRF air conditioner
+        # controller). Assume that all proxy gateway child devices are online.
         for did, info in cloud_list.items():
-            if did.startswith('blt.'):
+            if did.startswith('blt.') or did.startswith('proxy.'):
                 info['online'] = True
         for did, info in self._device_list_cache.items():
             if filter_dids and did not in filter_dids:

custom_components/xiaomi_home/miot/miot_mips.py

@@ -998,9 +998,11 @@ def on_state_msg(topic: str, payload: str, ctx: Any) -> None:
                     did, MIoTDeviceState.ONLINE if msg['event'] == 'online'
                     else MIoTDeviceState.OFFLINE, ctx)
 
-        if did.startswith('blt.'):
-        # MIoT cloud may not publish BLE device online/offline state message.
-        # Do not subscribe BLE device online/offline state.
+        if did.startswith('blt.') or did.startswith('proxy.'):
+        # MIoT cloud may not publish BLE device or proxy gateway child device
+        # online/offline state message.
+        # Do not subscribe BLE device or proxy gateway child device
+        # online/offline state.
             return True
         return self.__reg_broadcast_external(
             topic=topic, handler=on_state_msg, handler_ctx=handler_ctx)