core/homeassistant/components/ring/binary_sensor.py

139 lines
4.1 KiB
Python

"""Component providing HA sensor support for Ring Door Bell/Chimes."""
from __future__ import annotations
from collections.abc import Callable, Mapping
from dataclasses import dataclass
from datetime import datetime
from typing import Any
from ring_doorbell import Ring, RingEvent, RingGeneric
from homeassistant.components.binary_sensor import (
BinarySensorDeviceClass,
BinarySensorEntity,
BinarySensorEntityDescription,
)
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from . import RingData
from .const import DOMAIN
from .coordinator import RingNotificationsCoordinator
from .entity import RingBaseEntity
@dataclass(frozen=True, kw_only=True)
class RingBinarySensorEntityDescription(BinarySensorEntityDescription):
"""Describes Ring binary sensor entity."""
exists_fn: Callable[[RingGeneric], bool]
BINARY_SENSOR_TYPES: tuple[RingBinarySensorEntityDescription, ...] = (
RingBinarySensorEntityDescription(
key="ding",
translation_key="ding",
device_class=BinarySensorDeviceClass.OCCUPANCY,
exists_fn=lambda device: device.family
in {"doorbots", "authorized_doorbots", "other"},
),
RingBinarySensorEntityDescription(
key="motion",
device_class=BinarySensorDeviceClass.MOTION,
exists_fn=lambda device: device.family
in {"doorbots", "authorized_doorbots", "stickup_cams"},
),
)
async def async_setup_entry(
hass: HomeAssistant,
config_entry: ConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Set up the Ring binary sensors from a config entry."""
ring_data: RingData = hass.data[DOMAIN][config_entry.entry_id]
entities = [
RingBinarySensor(
ring_data.api,
device,
ring_data.notifications_coordinator,
description,
)
for description in BINARY_SENSOR_TYPES
for device in ring_data.devices.all_devices
if description.exists_fn(device)
]
async_add_entities(entities)
class RingBinarySensor(
RingBaseEntity[RingNotificationsCoordinator], BinarySensorEntity
):
"""A binary sensor implementation for Ring device."""
_active_alert: RingEvent | None = None
entity_description: RingBinarySensorEntityDescription
def __init__(
self,
ring: Ring,
device: RingGeneric,
coordinator: RingNotificationsCoordinator,
description: RingBinarySensorEntityDescription,
) -> None:
"""Initialize a sensor for Ring device."""
super().__init__(
device,
coordinator,
)
self.entity_description = description
self._ring = ring
self._attr_unique_id = f"{device.id}-{description.key}"
self._update_alert()
@callback
def _handle_coordinator_update(self, _: Any = None) -> None:
"""Call update method."""
self._update_alert()
super()._handle_coordinator_update()
@callback
def _update_alert(self) -> None:
"""Update active alert."""
self._active_alert = next(
(
alert
for alert in self._ring.active_alerts()
if alert["kind"] == self.entity_description.key
and alert["doorbot_id"] == self._device.id
),
None,
)
@property
def is_on(self) -> bool:
"""Return True if the binary sensor is on."""
return self._active_alert is not None
@property
def extra_state_attributes(self) -> Mapping[str, Any] | None:
"""Return the state attributes."""
attrs = super().extra_state_attributes
if self._active_alert is None:
return attrs
assert isinstance(attrs, dict)
attrs["state"] = self._active_alert["state"]
now = self._active_alert.get("now")
expires_in = self._active_alert.get("expires_in")
assert now and expires_in
attrs["expires_at"] = datetime.fromtimestamp(now + expires_in).isoformat()
return attrs