Files
core/homeassistant/components/mobile_app/entity.py
2025-11-18 12:26:13 +01:00

121 lines
4.0 KiB
Python

"""An entity class for mobile_app."""
from __future__ import annotations
import logging
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import (
ATTR_ICON,
CONF_NAME,
CONF_UNIQUE_ID,
STATE_UNAVAILABLE,
STATE_UNKNOWN,
)
from homeassistant.core import State, callback
from homeassistant.helpers.dispatcher import async_dispatcher_connect
from homeassistant.helpers.restore_state import RestoreEntity
from .const import (
ATTR_SENSOR_ATTRIBUTES,
ATTR_SENSOR_DEVICE_CLASS,
ATTR_SENSOR_DISABLED,
ATTR_SENSOR_ENTITY_CATEGORY,
ATTR_SENSOR_ICON,
ATTR_SENSOR_STATE,
ATTR_SENSOR_STATE_CLASS,
ATTR_SENSOR_TYPE,
DATA_PENDING_UPDATES,
DOMAIN,
SIGNAL_SENSOR_UPDATE,
)
from .helpers import device_info
_LOGGER = logging.getLogger(__name__)
class MobileAppEntity(RestoreEntity):
"""Representation of a mobile app entity."""
_attr_should_poll = False
def __init__(self, config: dict, entry: ConfigEntry) -> None:
"""Initialize the entity."""
self._config = config
self._entry = entry
self._registration = entry.data
self._attr_unique_id = config[CONF_UNIQUE_ID]
self._attr_entity_registry_enabled_default = not config.get(
ATTR_SENSOR_DISABLED
)
self._attr_name = config[CONF_NAME]
self._async_update_attr_from_config()
@callback
def _async_update_attr_from_config(self) -> None:
"""Update the entity from the config."""
config = self._config
self._attr_device_class = config.get(ATTR_SENSOR_DEVICE_CLASS)
self._attr_state_class = config.get(ATTR_SENSOR_STATE_CLASS)
self._attr_extra_state_attributes = config[ATTR_SENSOR_ATTRIBUTES]
self._attr_icon = config[ATTR_SENSOR_ICON]
self._attr_entity_category = config.get(ATTR_SENSOR_ENTITY_CATEGORY)
self._attr_available = config.get(ATTR_SENSOR_STATE) != STATE_UNAVAILABLE
async def async_added_to_hass(self) -> None:
"""Register callbacks."""
self.async_on_remove(
async_dispatcher_connect(
self.hass,
f"{SIGNAL_SENSOR_UPDATE}-{self._config[ATTR_SENSOR_TYPE]}-{self._attr_unique_id}",
self._handle_update,
)
)
# Apply any pending updates
self._handle_update()
if (state := await self.async_get_last_state()) is None:
return
await self.async_restore_last_state(state)
async def async_restore_last_state(self, last_state: State) -> None:
"""Restore previous state."""
config = self._config
# Only restore state if we don't have one already, since it can be set by a pending update
if config[ATTR_SENSOR_STATE] in (None, STATE_UNKNOWN):
config[ATTR_SENSOR_STATE] = last_state.state
config[ATTR_SENSOR_ATTRIBUTES] = {
**last_state.attributes,
**self._config[ATTR_SENSOR_ATTRIBUTES],
}
if ATTR_ICON in last_state.attributes:
config[ATTR_SENSOR_ICON] = last_state.attributes[ATTR_ICON]
@property
def device_info(self):
"""Return device registry information for this entity."""
return device_info(self._registration)
@callback
def _handle_update(self) -> None:
"""Handle async event updates."""
self._apply_pending_update()
self._async_update_attr_from_config()
self.async_write_ha_state()
def _apply_pending_update(self) -> None:
"""Restore any pending update for this entity."""
entity_type = self._config[ATTR_SENSOR_TYPE]
pending_updates = self.hass.data[DOMAIN][DATA_PENDING_UPDATES][entity_type]
if update := pending_updates.pop(self._attr_unique_id, None):
_LOGGER.debug(
"Applying pending update for %s: %s",
self._attr_unique_id,
update,
)
# Apply the pending update
self._config.update(update)