Replace deprecated battery property on Miele vacuum with sensor (home-assistant#148765)

Author: astrandb

homeassistant/components/miele/sensor.py

@@ -539,6 +539,16 @@ class MieleSensorDefinition:
             options=sorted(StateDryingStep.keys()),
         ),
     ),
+    MieleSensorDefinition(
+        types=(MieleAppliance.ROBOT_VACUUM_CLEANER,),
+        description=MieleSensorDescription(
+            key="state_battery",
+            value_fn=lambda value: value.state_battery_level,
+            native_unit_of_measurement=PERCENTAGE,
+            entity_category=EntityCategory.DIAGNOSTIC,
+            device_class=SensorDeviceClass.BATTERY,
+        ),
+    ),
 )
 
 

homeassistant/components/miele/vacuum.py

@@ -87,7 +87,6 @@ class MieleVacuumStateCode(MieleEnum):
 
 SUPPORTED_FEATURES = (
     VacuumEntityFeature.STATE
-    | VacuumEntityFeature.BATTERY
     | VacuumEntityFeature.FAN_SPEED
     | VacuumEntityFeature.START
     | VacuumEntityFeature.STOP
@@ -174,11 +173,6 @@ def activity(self) -> VacuumActivity | None:
             MieleVacuumStateCode(self.device.state_program_phase).value
         )
 
-    @property
-    def battery_level(self) -> int | None:
-        """Return the battery level."""
-        return self.device.state_battery_level
-
     @property
     def fan_speed(self) -> str | None:
         """Return the fan speed."""