Refactor volvooncall to (mostly) use DataUpdateCoordinator (#75885)

Co-authored-by: Martin Hjelmare <marhje52@gmail.com>

homeassistant/components/volvooncall/sensor.py

@@ -2,11 +2,11 @@
 from __future__ import annotations
 
 from homeassistant.components.sensor import SensorEntity
-from homeassistant.core import HomeAssistant
+from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
-from . import DATA_KEY, VolvoEntity
+from . import DATA_KEY, VolvoEntity, VolvoUpdateCoordinator
 
 
 async def async_setup_platform(
@@ -24,12 +24,24 @@ async def async_setup_platform(
 class VolvoSensor(VolvoEntity, SensorEntity):
     """Representation of a Volvo sensor."""
 
-    @property
-    def native_value(self):
-        """Return the state."""
-        return self.instrument.state
+    def __init__(
+        self,
+        coordinator: VolvoUpdateCoordinator,
+        vin: str,
+        component: str,
+        attribute: str,
+        slug_attr: str,
+    ) -> None:
+        """Initialize the sensor."""
+        super().__init__(vin, component, attribute, slug_attr, coordinator)
+        self._update_value_and_unit()
 
-    @property
-    def native_unit_of_measurement(self):
-        """Return the unit of measurement."""
-        return self.instrument.unit
+    def _update_value_and_unit(self) -> None:
+        self._attr_native_value = self.instrument.state
+        self._attr_native_unit_of_measurement = self.instrument.unit
+
+    @callback
+    def _handle_coordinator_update(self) -> None:
+        """Handle updated data from the coordinator."""
+        self._update_value_and_unit()
+        self.async_write_ha_state()