core/homeassistant/components/opentherm_gw/entity.py

77 lines
2.3 KiB
Python

"""Common opentherm_gw entity properties."""
import logging
import pyotgw.vars as gw_vars
from homeassistant.core import callback
from homeassistant.helpers.device_registry import DeviceInfo
from homeassistant.helpers.dispatcher import async_dispatcher_connect
from homeassistant.helpers.entity import Entity, EntityDescription
from . import OpenThermGatewayHub
from .const import DOMAIN, OpenThermDataSource, OpenThermDeviceDescription
_LOGGER = logging.getLogger(__name__)
TRANSLATE_SOURCE = {
gw_vars.BOILER: "Boiler",
gw_vars.OTGW: None,
gw_vars.THERMOSTAT: "Thermostat",
}
class OpenThermEntityDescription(EntityDescription):
"""Describe common opentherm_gw entity properties."""
device_description: OpenThermDeviceDescription
class OpenThermEntity(Entity):
"""Represent an OpenTherm entity."""
_attr_has_entity_name = True
_attr_should_poll = False
entity_description: OpenThermEntityDescription
def __init__(
self,
gw_hub: OpenThermGatewayHub,
description: OpenThermEntityDescription,
) -> None:
"""Initialize the entity."""
self.entity_description = description
self._gateway = gw_hub
self._attr_unique_id = f"{gw_hub.hub_id}-{description.device_description.device_identifier}-{description.key}"
self._attr_device_info = DeviceInfo(
identifiers={
(
DOMAIN,
f"{gw_hub.hub_id}-{description.device_description.device_identifier}",
)
},
)
@property
def available(self) -> bool:
"""Return connection status of the hub to indicate availability."""
return self._gateway.connected
class OpenThermStatusEntity(OpenThermEntity):
"""Represent an OpenTherm entity that receives status updates."""
async def async_added_to_hass(self) -> None:
"""Subscribe to updates from the component."""
self.async_on_remove(
async_dispatcher_connect(
self.hass, self._gateway.update_signal, self.receive_report
)
)
@callback
def receive_report(self, status: dict[OpenThermDataSource, dict]) -> None:
"""Handle status updates from the component."""
# Must be implemented at the platform level.
raise NotImplementedError