core/homeassistant/components/switchbot/entity.py

88 lines
3.0 KiB
Python

"""An abstract class common to all Switchbot entities."""
from __future__ import annotations
from abc import abstractmethod
from collections.abc import Mapping
from typing import Any
from switchbot import SwitchbotDevice
from homeassistant.components.bluetooth.passive_update_coordinator import (
PassiveBluetoothCoordinatorEntity,
)
from homeassistant.const import ATTR_CONNECTIONS
from homeassistant.core import callback
from homeassistant.helpers import device_registry as dr
from homeassistant.helpers.entity import DeviceInfo
from .const import MANUFACTURER
from .coordinator import SwitchbotDataUpdateCoordinator
class SwitchbotEntity(PassiveBluetoothCoordinatorEntity):
"""Generic entity encapsulating common features of Switchbot device."""
coordinator: SwitchbotDataUpdateCoordinator
_device: SwitchbotDevice
_attr_has_entity_name = True
def __init__(self, coordinator: SwitchbotDataUpdateCoordinator) -> None:
"""Initialize the entity."""
super().__init__(coordinator)
self._device = coordinator.device
self._last_run_success: bool | None = None
self._address = coordinator.ble_device.address
self._attr_unique_id = coordinator.base_unique_id
self._attr_device_info = DeviceInfo(
connections={(dr.CONNECTION_BLUETOOTH, self._address)},
manufacturer=MANUFACTURER,
model=coordinator.model, # Sometimes the modelName is missing from the advertisement data
name=coordinator.device_name,
)
if ":" not in self._address:
# MacOS Bluetooth addresses are not mac addresses
return
# If the bluetooth address is also a mac address,
# add this connection as well to prevent a new device
# entry from being created when upgrading from a previous
# version of the integration.
self._attr_device_info[ATTR_CONNECTIONS].add(
(dr.CONNECTION_NETWORK_MAC, self._address)
)
@property
def data(self) -> dict[str, Any]:
"""Return coordinator data for this entity."""
return self.coordinator.data
@property
def extra_state_attributes(self) -> Mapping[Any, Any]:
"""Return the state attributes."""
return {"last_run_success": self._last_run_success}
class SwitchbotSubscribeEntity(SwitchbotEntity):
"""Base class for Switchbot entities that use subscribe."""
@abstractmethod
def _async_update_attrs(self) -> None:
"""Update the entity attributes."""
@callback
def _handle_coordinator_update(self) -> None:
"""Handle data update."""
self._async_update_attrs()
self.async_write_ha_state()
async def async_added_to_hass(self) -> None:
"""Register callbacks."""
self.async_on_remove(self._device.subscribe(self._handle_coordinator_update))
return await super().async_added_to_hass()
async def async_update(self) -> None:
"""Update the entity.
Only used by the generic entity update service.
"""
await self._device.update()