Get temperature data appropriate for hass.config.unit in LG ThinQ (#137626)

* Get temperature data appropriate for hass.config.unit

* Modify temperature_unit for init

* Modify unit's map

* Fix ruff error

---------

Co-authored-by: yunseon.park <yunseon.park@lge.com>

homeassistant/components/lg_thinq/climate.py

@@ -110,7 +110,9 @@ class ThinQClimateEntity(ThinQEntity, ClimateEntity):
         self._attr_hvac_modes = [HVACMode.OFF]
         self._attr_hvac_mode = HVACMode.OFF
         self._attr_preset_modes = []
-        self._attr_temperature_unit = UnitOfTemperature.CELSIUS
+        self._attr_temperature_unit = (
+            self._get_unit_of_measurement(self.data.unit) or UnitOfTemperature.CELSIUS
+        )
         self._requested_hvac_mode: str | None = None
 
         # Set up HVAC modes.
@@ -182,6 +184,11 @@ class ThinQClimateEntity(ThinQEntity, ClimateEntity):
         self._attr_target_temperature_high = self.data.target_temp_high
         self._attr_target_temperature_low = self.data.target_temp_low
 
+        # Update unit.
+        self._attr_temperature_unit = (
+            self._get_unit_of_measurement(self.data.unit) or UnitOfTemperature.CELSIUS
+        )
+
         _LOGGER.debug(
             "[%s:%s] update status: c:%s, t:%s, l:%s, h:%s, hvac:%s, unit:%s, step:%s",
             self.coordinator.device_name,

homeassistant/components/lg_thinq/const.py

@@ -3,6 +3,8 @@
 from datetime import timedelta
 from typing import Final
 
+from homeassistant.const import UnitOfTemperature
+
 # Config flow
 DOMAIN = "lg_thinq"
 COMPANY = "LGE"
@@ -18,3 +20,10 @@ MQTT_SUBSCRIPTION_INTERVAL: Final = timedelta(days=1)
 # MQTT: Message types
 DEVICE_PUSH_MESSAGE: Final = "DEVICE_PUSH"
 DEVICE_STATUS_MESSAGE: Final = "DEVICE_STATUS"
+
+# Unit conversion map
+DEVICE_UNIT_TO_HA: dict[str, str] = {
+    "F": UnitOfTemperature.FAHRENHEIT,
+    "C": UnitOfTemperature.CELSIUS,
+}
+REVERSE_DEVICE_UNIT_TO_HA = {v: k for k, v in DEVICE_UNIT_TO_HA.items()}

homeassistant/components/lg_thinq/coordinator.py

@@ -2,19 +2,21 @@
 
 from __future__ import annotations
 
+from collections.abc import Mapping
 import logging
 from typing import TYPE_CHECKING, Any
 
 from thinqconnect import ThinQAPIException
 from thinqconnect.integration import HABridge
 
-from homeassistant.core import HomeAssistant
+from homeassistant.const import EVENT_CORE_CONFIG_UPDATE
+from homeassistant.core import Event, HomeAssistant, callback
 from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
 
 if TYPE_CHECKING:
     from . import ThinqConfigEntry
 
-from .const import DOMAIN
+from .const import DOMAIN, REVERSE_DEVICE_UNIT_TO_HA
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -54,6 +56,40 @@ class DeviceDataUpdateCoordinator(DataUpdateCoordinator[dict[str, Any]]):
             f"{self.device_id}_{self.sub_id}" if self.sub_id else self.device_id
         )
 
+        # Set your preferred temperature unit. This will allow us to retrieve
+        # temperature values from the API in a converted value corresponding to
+        # preferred unit.
+        self._update_preferred_temperature_unit()
+
+        # Add a callback to handle core config update.
+        self.unit_system: str | None = None
+        self.hass.bus.async_listen(
+            event_type=EVENT_CORE_CONFIG_UPDATE,
+            listener=self._handle_update_config,
+            event_filter=self.async_config_update_filter,
+        )
+
+    async def _handle_update_config(self, _: Event) -> None:
+        """Handle update core config."""
+        self._update_preferred_temperature_unit()
+
+        await self.async_refresh()
+
+    @callback
+    def async_config_update_filter(self, event_data: Mapping[str, Any]) -> bool:
+        """Filter out unwanted events."""
+        if (unit_system := event_data.get("unit_system")) != self.unit_system:
+            self.unit_system = unit_system
+            return True
+
+        return False
+
+    def _update_preferred_temperature_unit(self) -> None:
+        """Update preferred temperature unit."""
+        self.api.set_preferred_temperature_unit(
+            REVERSE_DEVICE_UNIT_TO_HA.get(self.hass.config.units.temperature_unit)
+        )
+
     async def _async_update_data(self) -> dict[str, Any]:
         """Request to the server to update the status from full response data."""
         try:

homeassistant/components/lg_thinq/entity.py

@@ -10,25 +10,19 @@ from thinqconnect import ThinQAPIException
 from thinqconnect.devices.const import Location
 from thinqconnect.integration import PropertyState
 
-from homeassistant.const import UnitOfTemperature
 from homeassistant.core import callback
 from homeassistant.exceptions import ServiceValidationError
 from homeassistant.helpers import device_registry as dr
 from homeassistant.helpers.entity import EntityDescription
 from homeassistant.helpers.update_coordinator import CoordinatorEntity
 
-from .const import COMPANY, DOMAIN
+from .const import COMPANY, DEVICE_UNIT_TO_HA, DOMAIN
 from .coordinator import DeviceDataUpdateCoordinator
 
 _LOGGER = logging.getLogger(__name__)
 
 EMPTY_STATE = PropertyState()
 
-UNIT_CONVERSION_MAP: dict[str, str] = {
-    "F": UnitOfTemperature.FAHRENHEIT,
-    "C": UnitOfTemperature.CELSIUS,
-}
-
 
 class ThinQEntity(CoordinatorEntity[DeviceDataUpdateCoordinator]):
     """The base implementation of all lg thinq entities."""
@@ -75,7 +69,7 @@ class ThinQEntity(CoordinatorEntity[DeviceDataUpdateCoordinator]):
         if unit is None:
             return None
 
-        return UNIT_CONVERSION_MAP.get(unit)
+        return DEVICE_UNIT_TO_HA.get(unit)
 
     def _update_status(self) -> None:
         """Update status itself.

tests/components/lg_thinq/snapshots/test_climate.ambr

@@ -15,8 +15,8 @@
         <HVACMode.COOL: 'cool'>,
         <HVACMode.DRY: 'dry'>,
       ]),
-      'max_temp': 30,
-      'min_temp': 18,
+      'max_temp': 86,
+      'min_temp': 64,
       'preset_modes': list([
         'air_clean',
       ]),
@@ -28,7 +28,7 @@
         'on',
         'off',
       ]),
-      'target_temp_step': 1,
+      'target_temp_step': 2,
     }),
     'config_entry_id': <ANY>,
     'config_subentry_id': <ANY>,
@@ -62,7 +62,7 @@
   StateSnapshot({
     'attributes': ReadOnlyDict({
       'current_humidity': 40,
-      'current_temperature': 25,
+      'current_temperature': 77,
       'fan_mode': 'mid',
       'fan_modes': list([
         'low',
@@ -75,8 +75,8 @@
         <HVACMode.COOL: 'cool'>,
         <HVACMode.DRY: 'dry'>,
       ]),
-      'max_temp': 30,
-      'min_temp': 18,
+      'max_temp': 86,
+      'min_temp': 64,
       'preset_mode': None,
       'preset_modes': list([
         'air_clean',
@@ -94,8 +94,8 @@
       ]),
       'target_temp_high': None,
       'target_temp_low': None,
-      'target_temp_step': 1,
-      'temperature': 19,
+      'target_temp_step': 2,
+      'temperature': 66,
     }),
     'context': <ANY>,
     'entity_id': 'climate.test_air_conditioner',

tests/components/lg_thinq/test_climate.py

@@ -5,7 +5,7 @@ from unittest.mock import AsyncMock, patch
 import pytest
 from syrupy import SnapshotAssertion
 
-from homeassistant.const import Platform
+from homeassistant.const import Platform, UnitOfTemperature
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers import entity_registry as er
 
@@ -23,6 +23,7 @@ async def test_all_entities(
     entity_registry: er.EntityRegistry,
 ) -> None:
     """Test all entities."""
+    hass.config.units.temperature_unit = UnitOfTemperature.FAHRENHEIT
     with patch("homeassistant.components.lg_thinq.PLATFORMS", [Platform.CLIMATE]):
         await setup_integration(hass, mock_config_entry)