Use lambda in gree switch (#90316)

homeassistant/components/gree/switch.py

@@ -1,8 +1,12 @@
 """Support for interface with a Gree climate systems."""
 from __future__ import annotations
 
+from collections.abc import Callable
+from dataclasses import dataclass
 from typing import Any, cast
 
+from greeclimate.device import Device
+
 from homeassistant.components.switch import (
     SwitchDeviceClass,
     SwitchEntity,
@@ -16,25 +20,77 @@ from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from .const import COORDINATORS, DISPATCH_DEVICE_DISCOVERED, DISPATCHERS, DOMAIN
 from .entity import GreeEntity
 
-GREE_SWITCHES: tuple[SwitchEntityDescription, ...] = (
-    SwitchEntityDescription(
+
+@dataclass
+class GreeRequiredKeysMixin:
+    """Mixin for required keys."""
+
+    get_value_fn: Callable[[Device], bool]
+    set_value_fn: Callable[[Device, bool], None]
+
+
+@dataclass
+class GreeSwitchEntityDescription(SwitchEntityDescription, GreeRequiredKeysMixin):
+    """Describes Gree switch entity."""
+
+
+def _set_light(device: Device, value: bool) -> None:
+    """Typed helper to set device light property."""
+    device.light = value
+
+
+def _set_quiet(device: Device, value: bool) -> None:
+    """Typed helper to set device quiet property."""
+    device.quiet = value
+
+
+def _set_fresh_air(device: Device, value: bool) -> None:
+    """Typed helper to set device fresh_air property."""
+    device.fresh_air = value
+
+
+def _set_xfan(device: Device, value: bool) -> None:
+    """Typed helper to set device xfan property."""
+    device.xfan = value
+
+
+def _set_anion(device: Device, value: bool) -> None:
+    """Typed helper to set device anion property."""
+    device.anion = value
+
+
+GREE_SWITCHES: tuple[GreeSwitchEntityDescription, ...] = (
+    GreeSwitchEntityDescription(
         icon="mdi:lightbulb",
         name="Panel Light",
         key="light",
+        get_value_fn=lambda d: d.light,
+        set_value_fn=_set_light,
     ),
-    SwitchEntityDescription(
+    GreeSwitchEntityDescription(
         name="Quiet",
         key="quiet",
+        get_value_fn=lambda d: d.quiet,
+        set_value_fn=_set_quiet,
     ),
-    SwitchEntityDescription(
+    GreeSwitchEntityDescription(
         name="Fresh Air",
         key="fresh_air",
+        get_value_fn=lambda d: d.fresh_air,
+        set_value_fn=_set_fresh_air,
     ),
-    SwitchEntityDescription(name="XFan", key="xfan"),
-    SwitchEntityDescription(
+    GreeSwitchEntityDescription(
+        name="XFan",
+        key="xfan",
+        get_value_fn=lambda d: d.xfan,
+        set_value_fn=_set_xfan,
+    ),
+    GreeSwitchEntityDescription(
         icon="mdi:pine-tree",
         name="Health mode",
         key="anion",
+        get_value_fn=lambda d: d.anion,
+        set_value_fn=_set_anion,
         entity_registry_enabled_default=False,
     ),
 )
@@ -68,8 +124,9 @@ class GreeSwitch(GreeEntity, SwitchEntity):
     """Generic Gree switch entity."""
 
     _attr_device_class = SwitchDeviceClass.SWITCH
+    entity_description: GreeSwitchEntityDescription
 
-    def __init__(self, coordinator, description: SwitchEntityDescription) -> None:
+    def __init__(self, coordinator, description: GreeSwitchEntityDescription) -> None:
         """Initialize the Gree device."""
         self.entity_description = description
 
@@ -78,16 +135,16 @@ class GreeSwitch(GreeEntity, SwitchEntity):
     @property
     def is_on(self) -> bool:
         """Return if the state is turned on."""
-        return getattr(self.coordinator.device, self.entity_description.key)
+        return self.entity_description.get_value_fn(self.coordinator.device)
 
     async def async_turn_on(self, **kwargs: Any) -> None:
         """Turn the entity on."""
-        setattr(self.coordinator.device, self.entity_description.key, True)
+        self.entity_description.set_value_fn(self.coordinator.device, True)
         await self.coordinator.push_state_update()
         self.async_write_ha_state()
 
     async def async_turn_off(self, **kwargs: Any) -> None:
         """Turn the entity off."""
-        setattr(self.coordinator.device, self.entity_description.key, False)
+        self.entity_description.set_value_fn(self.coordinator.device, False)
         await self.coordinator.push_state_update()
         self.async_write_ha_state()