core/homeassistant/components/geofency/device_tracker.py

109 lines
3.7 KiB
Python

"""Support for the Geofency device tracker platform."""
from homeassistant.components.device_tracker import TrackerEntity
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import ATTR_LATITUDE, ATTR_LONGITUDE
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers import device_registry as dr
from homeassistant.helpers.device_registry import DeviceInfo
from homeassistant.helpers.dispatcher import async_dispatcher_connect
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.restore_state import RestoreEntity
from . import DOMAIN as GF_DOMAIN, TRACKER_UPDATE
async def async_setup_entry(
hass: HomeAssistant,
config_entry: ConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Set up Geofency config entry."""
@callback
def _receive_data(device, gps, location_name, attributes):
"""Fire HA event to set location."""
if device in hass.data[GF_DOMAIN]["devices"]:
return
hass.data[GF_DOMAIN]["devices"].add(device)
async_add_entities([GeofencyEntity(device, gps, location_name, attributes)])
hass.data[GF_DOMAIN]["unsub_device_tracker"][config_entry.entry_id] = (
async_dispatcher_connect(hass, TRACKER_UPDATE, _receive_data)
)
# Restore previously loaded devices
dev_reg = dr.async_get(hass)
dev_ids = {
identifier[1]
for device in dev_reg.devices.get_devices_for_config_entry_id(
config_entry.entry_id
)
for identifier in device.identifiers
}
if dev_ids:
hass.data[GF_DOMAIN]["devices"].update(dev_ids)
async_add_entities(GeofencyEntity(dev_id) for dev_id in dev_ids)
class GeofencyEntity(TrackerEntity, RestoreEntity):
"""Represent a tracked device."""
_attr_has_entity_name = True
_attr_name = None
def __init__(self, device, gps=None, location_name=None, attributes=None):
"""Set up Geofency entity."""
self._attr_extra_state_attributes = attributes or {}
self._name = device
self._attr_location_name = location_name
if gps:
self._attr_latitude = gps[0]
self._attr_longitude = gps[1]
self._unsub_dispatcher = None
self._attr_unique_id = device
self._attr_device_info = DeviceInfo(
identifiers={(GF_DOMAIN, device)},
name=device,
)
async def async_added_to_hass(self) -> None:
"""Register state update callback."""
await super().async_added_to_hass()
self._unsub_dispatcher = async_dispatcher_connect(
self.hass, TRACKER_UPDATE, self._async_receive_data
)
if self._attr_extra_state_attributes:
return
if (state := await self.async_get_last_state()) is None:
self._attr_latitude = None
self._attr_longitude = None
return
attr = state.attributes
self._attr_latitude = attr.get(ATTR_LATITUDE)
self._attr_longitude = attr.get(ATTR_LONGITUDE)
async def async_will_remove_from_hass(self) -> None:
"""Clean up after entity before removal."""
await super().async_will_remove_from_hass()
self._unsub_dispatcher()
self.hass.data[GF_DOMAIN]["devices"].remove(self.unique_id)
@callback
def _async_receive_data(self, device, gps, location_name, attributes):
"""Mark the device as seen."""
if device != self._name:
return
self._attr_extra_state_attributes.update(attributes)
self._attr_location_name = location_name
self._attr_latitude = gps[0]
self._attr_longitude = gps[1]
self.async_write_ha_state()