core/homeassistant/components/vera/entity.py

104 lines
3.3 KiB
Python

"""Support for Vera devices."""
from __future__ import annotations
import logging
from typing import Any
import pyvera as veraApi
from homeassistant.const import (
ATTR_ARMED,
ATTR_BATTERY_LEVEL,
ATTR_LAST_TRIP_TIME,
ATTR_TRIPPED,
)
from homeassistant.helpers.entity import Entity
from homeassistant.util import slugify
from homeassistant.util.dt import utc_from_timestamp
from .common import ControllerData
from .const import CONF_LEGACY_UNIQUE_ID, VERA_ID_FORMAT
_LOGGER = logging.getLogger(__name__)
class VeraEntity[_DeviceTypeT: veraApi.VeraDevice](Entity):
"""Representation of a Vera device entity."""
def __init__(
self, vera_device: _DeviceTypeT, controller_data: ControllerData
) -> None:
"""Initialize the device."""
self.vera_device = vera_device
self.controller = controller_data.controller
self._name = self.vera_device.name
# Append device id to prevent name clashes in HA.
self.vera_id = VERA_ID_FORMAT.format(
slugify(vera_device.name), vera_device.vera_device_id
)
if controller_data.config_entry.data.get(CONF_LEGACY_UNIQUE_ID):
self._unique_id = str(self.vera_device.vera_device_id)
else:
self._unique_id = f"vera_{controller_data.config_entry.unique_id}_{self.vera_device.vera_device_id}"
async def async_added_to_hass(self) -> None:
"""Subscribe to updates."""
self.controller.register(self.vera_device, self._update_callback)
def _update_callback(self, _device: _DeviceTypeT) -> None:
"""Update the state."""
self.schedule_update_ha_state(True)
def update(self):
"""Force a refresh from the device if the device is unavailable."""
refresh_needed = self.vera_device.should_poll or not self.available
_LOGGER.debug("%s: update called (refresh=%s)", self._name, refresh_needed)
if refresh_needed:
self.vera_device.refresh()
@property
def name(self) -> str:
"""Return the name of the device."""
return self._name
@property
def extra_state_attributes(self) -> dict[str, Any] | None:
"""Return the state attributes of the device."""
attr = {}
if self.vera_device.has_battery:
attr[ATTR_BATTERY_LEVEL] = self.vera_device.battery_level
if self.vera_device.is_armable:
armed = self.vera_device.is_armed
attr[ATTR_ARMED] = "True" if armed else "False"
if self.vera_device.is_trippable:
if (last_tripped := self.vera_device.last_trip) is not None:
utc_time = utc_from_timestamp(int(last_tripped))
attr[ATTR_LAST_TRIP_TIME] = utc_time.isoformat()
else:
attr[ATTR_LAST_TRIP_TIME] = None
tripped = self.vera_device.is_tripped
attr[ATTR_TRIPPED] = "True" if tripped else "False"
attr["Vera Device Id"] = self.vera_device.vera_device_id
return attr
@property
def available(self):
"""If device communications have failed return false."""
return not self.vera_device.comm_failure
@property
def unique_id(self) -> str:
"""Return a unique ID.
The Vera assigns a unique and immutable ID number to each device.
"""
return self._unique_id