core/homeassistant/components/tractive/binary_sensor.py

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"""Support for Tractive binary sensors."""
from __future__ import annotations
from homeassistant.components.binary_sensor import (
DEVICE_CLASS_BATTERY_CHARGING,
BinarySensorEntity,
BinarySensorEntityDescription,
)
from homeassistant.const import ATTR_BATTERY_CHARGING
from homeassistant.core import callback
from homeassistant.helpers.dispatcher import async_dispatcher_connect
from .const import (
CLIENT,
DOMAIN,
SERVER_UNAVAILABLE,
TRACKABLES,
TRACKER_HARDWARE_STATUS_UPDATED,
)
from .entity import TractiveEntity
TRACKERS_WITH_BUILTIN_BATTERY = ("TRNJA4", "TRAXL1")
class TractiveBinarySensor(TractiveEntity, BinarySensorEntity):
"""Tractive sensor."""
def __init__(self, user_id, trackable, tracker_details, unique_id, description):
"""Initialize sensor entity."""
super().__init__(user_id, trackable, tracker_details)
self._attr_name = f"{trackable['details']['name']} {description.name}"
self._attr_unique_id = unique_id
self.entity_description = description
@callback
def handle_server_unavailable(self):
"""Handle server unavailable."""
self._attr_available = False
self.async_write_ha_state()
@callback
def handle_hardware_status_update(self, event):
"""Handle hardware status update."""
self._attr_is_on = event[self.entity_description.key]
self._attr_available = True
self.async_write_ha_state()
async def async_added_to_hass(self):
"""Handle entity which will be added."""
self.async_on_remove(
async_dispatcher_connect(
self.hass,
f"{TRACKER_HARDWARE_STATUS_UPDATED}-{self._tracker_id}",
self.handle_hardware_status_update,
)
)
self.async_on_remove(
async_dispatcher_connect(
self.hass,
f"{SERVER_UNAVAILABLE}-{self._user_id}",
self.handle_server_unavailable,
)
)
SENSOR_TYPE = BinarySensorEntityDescription(
key=ATTR_BATTERY_CHARGING,
name="Battery Charging",
device_class=DEVICE_CLASS_BATTERY_CHARGING,
)
async def async_setup_entry(hass, entry, async_add_entities):
"""Set up Tractive device trackers."""
client = hass.data[DOMAIN][entry.entry_id][CLIENT]
trackables = hass.data[DOMAIN][entry.entry_id][TRACKABLES]
entities = []
for item in trackables:
if item.tracker_details["model_number"] not in TRACKERS_WITH_BUILTIN_BATTERY:
continue
entities.append(
TractiveBinarySensor(
client.user_id,
item.trackable,
item.tracker_details,
f"{item.trackable['_id']}_{SENSOR_TYPE.key}",
SENSOR_TYPE,
)
)
async_add_entities(entities)