core/homeassistant/components/baf/binary_sensor.py

63 lines
1.6 KiB
Python

"""Support for Big Ass Fans binary sensors."""
from __future__ import annotations
from collections.abc import Callable
from dataclasses import dataclass
from typing import cast
from aiobafi6 import Device
from homeassistant.components.binary_sensor import (
BinarySensorDeviceClass,
BinarySensorEntity,
BinarySensorEntityDescription,
)
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from . import BAFConfigEntry
from .entity import BAFDescriptionEntity
@dataclass(frozen=True, kw_only=True)
class BAFBinarySensorDescription(
BinarySensorEntityDescription,
):
"""Class describing BAF binary sensor entities."""
value_fn: Callable[[Device], bool | None]
OCCUPANCY_SENSORS = (
BAFBinarySensorDescription(
key="occupancy",
device_class=BinarySensorDeviceClass.OCCUPANCY,
value_fn=lambda device: cast(bool | None, device.fan_occupancy_detected),
),
)
async def async_setup_entry(
hass: HomeAssistant,
entry: BAFConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Set up BAF binary sensors."""
device = entry.runtime_data
if device.has_occupancy:
async_add_entities(
BAFBinarySensor(device, description) for description in OCCUPANCY_SENSORS
)
class BAFBinarySensor(BAFDescriptionEntity, BinarySensorEntity):
"""BAF binary sensor."""
entity_description: BAFBinarySensorDescription
@callback
def _async_update_attrs(self) -> None:
"""Update attrs from device."""
self._attr_is_on = self.entity_description.value_fn(self._device)