core/homeassistant/components/acaia/binary_sensor.py

59 lines
1.6 KiB
Python

"""Binary sensor platform for Acaia scales."""
from collections.abc import Callable
from dataclasses import dataclass
from aioacaia.acaiascale import AcaiaScale
from homeassistant.components.binary_sensor import (
BinarySensorDeviceClass,
BinarySensorEntity,
BinarySensorEntityDescription,
)
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from .coordinator import AcaiaConfigEntry
from .entity import AcaiaEntity
@dataclass(kw_only=True, frozen=True)
class AcaiaBinarySensorEntityDescription(BinarySensorEntityDescription):
"""Description for Acaia binary sensor entities."""
is_on_fn: Callable[[AcaiaScale], bool]
BINARY_SENSORS: tuple[AcaiaBinarySensorEntityDescription, ...] = (
AcaiaBinarySensorEntityDescription(
key="timer_running",
translation_key="timer_running",
device_class=BinarySensorDeviceClass.RUNNING,
is_on_fn=lambda scale: scale.timer_running,
),
)
async def async_setup_entry(
hass: HomeAssistant,
entry: AcaiaConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Set up binary sensors."""
coordinator = entry.runtime_data
async_add_entities(
AcaiaBinarySensor(coordinator, description) for description in BINARY_SENSORS
)
class AcaiaBinarySensor(AcaiaEntity, BinarySensorEntity):
"""Representation of an Acaia binary sensor."""
entity_description: AcaiaBinarySensorEntityDescription
@property
def is_on(self) -> bool:
"""Return true if the binary sensor is on."""
return self.entity_description.is_on_fn(self._scale)