Update updater to use CoordinatorEntity (#39396)

homeassistant/components/updater/binary_sensor.py

@@ -1,6 +1,7 @@
 """Support for Home Assistant Updater binary sensors."""
 
 from homeassistant.components.binary_sensor import BinarySensorEntity
+from homeassistant.helpers.update_coordinator import CoordinatorEntity
 
 from . import ATTR_NEWEST_VERSION, ATTR_RELEASE_NOTES, DOMAIN as UPDATER_DOMAIN
 
@@ -13,13 +14,9 @@ async def async_setup_platform(hass, config, async_add_entities, discovery_info=
     async_add_entities([UpdaterBinary(hass.data[UPDATER_DOMAIN])])
 
 
-class UpdaterBinary(BinarySensorEntity):
+class UpdaterBinary(CoordinatorEntity, BinarySensorEntity):
     """Representation of an updater binary sensor."""
 
-    def __init__(self, coordinator):
-        """Initialize the binary sensor."""
-        self.coordinator = coordinator
-
     @property
     def name(self) -> str:
         """Return the name of the binary sensor, if any."""
@@ -37,16 +34,6 @@ class UpdaterBinary(BinarySensorEntity):
             return None
         return self.coordinator.data.update_available
 
-    @property
-    def available(self) -> bool:
-        """Return True if entity is available."""
-        return self.coordinator.last_update_success
-
-    @property
-    def should_poll(self) -> bool:
-        """Return True if entity has to be polled for state."""
-        return False
-
     @property
     def device_state_attributes(self) -> dict:
         """Return the optional state attributes."""
@@ -58,16 +45,3 @@ class UpdaterBinary(BinarySensorEntity):
         if self.coordinator.data.newest_version:
             data[ATTR_NEWEST_VERSION] = self.coordinator.data.newest_version
         return data
-
-    async def async_added_to_hass(self):
-        """Register update dispatcher."""
-        self.async_on_remove(
-            self.coordinator.async_add_listener(self.async_write_ha_state)
-        )
-
-    async def async_update(self):
-        """Update the entity.
-
-        Only used by the generic entity update service.
-        """
-        await self.coordinator.async_request_refresh()