core/homeassistant/components/mill/entity.py

55 lines
1.6 KiB
Python

"""Base entity for Mill devices."""
from __future__ import annotations
from abc import abstractmethod
from mill import Heater, MillDevice
from homeassistant.core import callback
from homeassistant.helpers.device_registry import DeviceInfo
from homeassistant.helpers.update_coordinator import CoordinatorEntity
from .const import DOMAIN, MANUFACTURER
from .coordinator import MillDataUpdateCoordinator
class MillBaseEntity(CoordinatorEntity[MillDataUpdateCoordinator]):
"""Representation of a Mill number device."""
_attr_has_entity_name = True
def __init__(
self,
coordinator: MillDataUpdateCoordinator,
mill_device: MillDevice,
) -> None:
"""Initialize the number."""
super().__init__(coordinator)
self._id = mill_device.device_id
self._available = False
self._attr_device_info = DeviceInfo(
identifiers={(DOMAIN, mill_device.device_id)},
name=mill_device.name,
manufacturer=MANUFACTURER,
model=mill_device.model,
)
self._update_attr(mill_device)
@callback
def _handle_coordinator_update(self) -> None:
"""Handle updated data from the coordinator."""
self._update_attr(self.coordinator.data[self._id])
self.async_write_ha_state()
@abstractmethod
@callback
def _update_attr(self, device: MillDevice | Heater) -> None:
"""Update the attribute of the entity."""
@property
def available(self) -> bool:
"""Return True if entity is available."""
return super().available and self._available