core/homeassistant/components/mobile_app/entity.py

91 lines
3.1 KiB
Python

"""An entity class for mobile_app."""
from __future__ import annotations
from typing import Any
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import ATTR_ICON, CONF_NAME, CONF_UNIQUE_ID, STATE_UNAVAILABLE
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,
SIGNAL_SENSOR_UPDATE,
)
from .helpers import device_info
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._attr_unique_id}",
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
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, data: dict[str, Any]) -> None:
"""Handle async event updates."""
self._config.update(data)
self._async_update_attr_from_config()
self.async_write_ha_state()