Files
core/homeassistant/components/tellduslive/entity.py
T

132 lines
4.1 KiB
Python

"""Base Entity for all TelldusLive entities."""
from datetime import datetime
import logging
from typing import TYPE_CHECKING, Any, override
from tellduslive import BATTERY_LOW, BATTERY_OK, BATTERY_UNKNOWN
from homeassistant.const import ATTR_BATTERY_LEVEL, ATTR_MANUFACTURER, ATTR_MODEL
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 import Entity
from .const import DOMAIN, SIGNAL_UPDATE_ENTITY
_LOGGER = logging.getLogger(__name__)
ATTR_LAST_UPDATED = "time_last_updated"
class TelldusLiveEntity(Entity):
"""Base class for all Telldus Live entities."""
_attr_should_poll = False
_attr_has_entity_name = True
def __init__(self, client, device_id):
"""Initialize the entity."""
self._id = device_id
self._client = client
@override
async def async_added_to_hass(self) -> None:
"""Call when entity is added to hass."""
_LOGGER.debug("Created device %s", self)
self.async_on_remove(
async_dispatcher_connect(
self.hass, SIGNAL_UPDATE_ENTITY, self.async_write_ha_state
)
)
@property
def device_id(self):
"""Return the id of the device."""
return self._id
@property
def device(self):
"""Return the representation of the device."""
return self._client.device(self.device_id)
@property
def _state(self):
"""Return the state of the device."""
return self.device.state
@property
@override
def assumed_state(self) -> bool:
"""Return true if unable to access real state of entity."""
return True
@property
@override
def available(self) -> bool:
"""Return true if device is not offline."""
return self._client.is_available(self.device_id)
@property
@override
def extra_state_attributes(self) -> dict[str, Any]:
"""Return the state attributes."""
attrs = {}
if self._battery_level:
attrs[ATTR_BATTERY_LEVEL] = self._battery_level
if self._last_updated:
attrs[ATTR_LAST_UPDATED] = self._last_updated
return attrs
@property
def _battery_level(self):
"""Return the battery level of a device."""
if self.device.battery == BATTERY_LOW:
return 1
if self.device.battery == BATTERY_UNKNOWN:
return None
if self.device.battery == BATTERY_OK:
return 100
return self.device.battery # Percentage
@property
def _last_updated(self):
"""Return the last update of a device."""
return (
str(datetime.fromtimestamp(self.device.lastUpdated))
if self.device.lastUpdated
else None
)
@property
@override
def unique_id(self) -> str:
"""Return a unique ID."""
return self._id
@property
@override
def device_info(self) -> DeviceInfo:
"""Return device info."""
device = self._client.device_info(self.device.device_id)
device_info = DeviceInfo(
identifiers={(DOMAIN, self.device.device_id)},
name=self.device.name,
)
if (model := device.get("model")) is not None:
device_info[ATTR_MODEL] = model.title()
if (protocol := device.get("protocol")) is not None:
device_info[ATTR_MANUFACTURER] = protocol.title()
if (client := device.get("client")) is not None:
config_entry = self.platform.config_entry
if TYPE_CHECKING:
assert config_entry
# The hub is not registered when fetching the client list failed while
# device requests succeeded, so link only when the hub device exists.
hub_device = dr.async_get(self.hass).async_get_device_by_identifier(
(DOMAIN, client), config_entry.entry_id
)
if hub_device is not None:
device_info["via_device_id"] = hub_device.id
return device_info