core/homeassistant/components/thethingsnetwork/entity.py

72 lines
2.1 KiB
Python

"""Support for The Things Network entities."""
import logging
from ttn_client import TTNBaseValue
from homeassistant.core import callback
from homeassistant.helpers.device_registry import DeviceInfo
from homeassistant.helpers.update_coordinator import CoordinatorEntity
from .const import DOMAIN
from .coordinator import TTNCoordinator
_LOGGER = logging.getLogger(__name__)
class TTNEntity(CoordinatorEntity[TTNCoordinator]):
"""Representation of a The Things Network Data Storage sensor."""
_attr_has_entity_name = True
_ttn_value: TTNBaseValue
def __init__(
self,
coordinator: TTNCoordinator,
app_id: str,
ttn_value: TTNBaseValue,
) -> None:
"""Initialize a The Things Network Data Storage sensor."""
# Pass coordinator to CoordinatorEntity
super().__init__(coordinator)
self._ttn_value = ttn_value
self._attr_unique_id = f"{self.device_id}_{self.field_id}"
self._attr_name = self.field_id
self._attr_device_info = DeviceInfo(
identifiers={(DOMAIN, f"{app_id}_{self.device_id}")},
name=self.device_id,
)
@callback
def _handle_coordinator_update(self) -> None:
"""Handle updated data from the coordinator."""
my_entity_update = self.coordinator.data.get(self.device_id, {}).get(
self.field_id
)
if (
my_entity_update
and my_entity_update.received_at > self._ttn_value.received_at
):
_LOGGER.debug(
"Received update for %s: %s", self.unique_id, my_entity_update
)
# Check that the type of an entity has not changed since the creation
assert isinstance(my_entity_update, type(self._ttn_value))
self._ttn_value = my_entity_update
self.async_write_ha_state()
@property
def device_id(self) -> str:
"""Return device_id."""
return str(self._ttn_value.device_id)
@property
def field_id(self) -> str:
"""Return field_id."""
return str(self._ttn_value.field_id)