core/homeassistant/components/baf/binary_sensor.py

81 lines
2.3 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 Optional, cast
from aiobafi6 import Device
from homeassistant import config_entries
from homeassistant.components.binary_sensor import (
BinarySensorDeviceClass,
BinarySensorEntity,
BinarySensorEntityDescription,
)
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from .const import DOMAIN
from .entity import BAFEntity
from .models import BAFData
@dataclass
class BAFBinarySensorDescriptionMixin:
"""Required values for BAF binary sensors."""
value_fn: Callable[[Device], bool | None]
@dataclass
class BAFBinarySensorDescription(
BinarySensorEntityDescription,
BAFBinarySensorDescriptionMixin,
):
"""Class describing BAF binary sensor entities."""
OCCUPANCY_SENSORS = (
BAFBinarySensorDescription(
key="occupancy",
name="Occupancy",
device_class=BinarySensorDeviceClass.OCCUPANCY,
value_fn=lambda device: cast(Optional[bool], device.fan_occupancy_detected),
),
)
async def async_setup_entry(
hass: HomeAssistant,
entry: config_entries.ConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Set up BAF binary sensors."""
data: BAFData = hass.data[DOMAIN][entry.entry_id]
device = data.device
sensors_descriptions: list[BAFBinarySensorDescription] = []
if device.has_occupancy:
sensors_descriptions.extend(OCCUPANCY_SENSORS)
async_add_entities(
BAFBinarySensor(device, description) for description in sensors_descriptions
)
class BAFBinarySensor(BAFEntity, BinarySensorEntity):
"""BAF binary sensor."""
entity_description: BAFBinarySensorDescription
def __init__(self, device: Device, description: BAFBinarySensorDescription) -> None:
"""Initialize the entity."""
self.entity_description = description
super().__init__(device, f"{device.name} {description.name}")
self._attr_unique_id = f"{self._device.mac_address}-{description.key}"
@callback
def _async_update_attrs(self) -> None:
"""Update attrs from device."""
description = self.entity_description
self._attr_is_on = description.value_fn(self._device)