feat: support remove device (#622)

* feat: support remove device

* feat: simplify the unsub logic

* feat: update notify after rm device

custom_components/xiaomi_home/__init__.py

@@ -308,3 +308,43 @@ async def async_remove_entry(
     await miot_cert.remove_user_cert_async()
     await miot_cert.remove_user_key_async()
     return True
+
+
+async def async_remove_config_entry_device(
+    hass: HomeAssistant,
+    config_entry: ConfigEntry,
+    device_entry: device_registry.DeviceEntry
+) -> bool:
+    """Remove the device."""
+    miot_client: MIoTClient = await get_miot_instance_async(
+        hass=hass, entry_id=config_entry.entry_id)
+
+    if len(device_entry.identifiers) != 1:
+        _LOGGER.error(
+            'remove device failed, invalid identifiers, %s, %s',
+            device_entry.id, device_entry.identifiers)
+        return False
+    identifiers = list(device_entry.identifiers)[0]
+    if identifiers[0] != DOMAIN:
+        _LOGGER.error(
+            'remove device failed, invalid domain, %s, %s',
+            device_entry.id, device_entry.identifiers)
+        return False
+    device_info = identifiers[1].split('_')
+    if len(device_info) != 2:
+        _LOGGER.error(
+            'remove device failed, invalid device info, %s, %s',
+            device_entry.id, device_entry.identifiers)
+        return False
+    did = device_info[1]
+    if did not in miot_client.device_list:
+        _LOGGER.error(
+            'remove device failed, device not found, %s, %s',
+            device_entry.id, device_entry.identifiers)
+        return False
+    # Remove device
+    await miot_client.remove_device_async(did)
+    device_registry.async_get(hass).async_remove_device(device_entry.id)
+    _LOGGER.info(
+        'remove device, %s, %s, %s', device_info[0], did, device_entry.id)
+    return True

custom_components/xiaomi_home/miot/miot_client.py

@@ -848,6 +848,30 @@ class MIoTClient:
         _LOGGER.debug('client unsub device state, %s', did)
         return True
 
+    async def remove_device_async(self, did: str) -> None:
+        if did not in self._device_list_cache:
+            return
+        sub_from = self._sub_source_list.pop(did, None)
+        # Unsub
+        if sub_from:
+            if sub_from == 'cloud':
+                self._mips_cloud.unsub_prop(did=did)
+                self._mips_cloud.unsub_event(did=did)
+            elif sub_from == 'lan':
+                self._miot_lan.unsub_prop(did=did)
+                self._miot_lan.unsub_event(did=did)
+            elif sub_from in self._mips_local:
+                mips = self._mips_local[sub_from]
+                mips.unsub_prop(did=did)
+                mips.unsub_event(did=did)
+        # Storage
+        await self._storage.save_async(
+            domain='miot_devices',
+            name=f'{self._uid}_{self._cloud_server}',
+            data=self._device_list_cache)
+        # Update notify
+        self.__request_show_devices_changed_notify()
+
     def __get_exec_error_with_rc(self, rc: int) -> str:
         err_msg: str = self._i18n.translate(key=f'error.common.{rc}')
         if not err_msg: