core/homeassistant/components/flexit_bacnet/switch.py

101 lines
3.2 KiB
Python

"""The Flexit Nordic (BACnet) integration."""
import asyncio.exceptions
from collections.abc import Awaitable, Callable
from dataclasses import dataclass
from typing import Any
from flexit_bacnet import FlexitBACnet
from flexit_bacnet.bacnet import DecodingError
from homeassistant.components.switch import (
SwitchDeviceClass,
SwitchEntity,
SwitchEntityDescription,
)
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant
from homeassistant.exceptions import HomeAssistantError
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from . import FlexitCoordinator
from .const import DOMAIN
from .entity import FlexitEntity
@dataclass(kw_only=True, frozen=True)
class FlexitSwitchEntityDescription(SwitchEntityDescription):
"""Describes a Flexit switch entity."""
is_on_fn: Callable[[FlexitBACnet], bool]
turn_on_fn: Callable[[FlexitBACnet], Awaitable[None]]
turn_off_fn: Callable[[FlexitBACnet], Awaitable[None]]
SWITCHES: tuple[FlexitSwitchEntityDescription, ...] = (
FlexitSwitchEntityDescription(
key="electric_heater",
translation_key="electric_heater",
is_on_fn=lambda data: data.electric_heater,
turn_on_fn=lambda data: data.enable_electric_heater(),
turn_off_fn=lambda data: data.disable_electric_heater(),
),
)
async def async_setup_entry(
hass: HomeAssistant,
config_entry: ConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Set up Flexit (bacnet) switch from a config entry."""
coordinator: FlexitCoordinator = hass.data[DOMAIN][config_entry.entry_id]
async_add_entities(
FlexitSwitch(coordinator, description) for description in SWITCHES
)
class FlexitSwitch(FlexitEntity, SwitchEntity):
"""Representation of a Flexit Switch."""
_attr_device_class = SwitchDeviceClass.SWITCH
entity_description: FlexitSwitchEntityDescription
def __init__(
self,
coordinator: FlexitCoordinator,
entity_description: FlexitSwitchEntityDescription,
) -> None:
"""Initialize Flexit (bacnet) switch."""
super().__init__(coordinator)
self.entity_description = entity_description
self._attr_unique_id = (
f"{coordinator.device.serial_number}-{entity_description.key}"
)
@property
def is_on(self) -> bool:
"""Return value of the switch."""
return self.entity_description.is_on_fn(self.coordinator.data)
async def async_turn_on(self, **kwargs: Any) -> None:
"""Turn electric heater on."""
try:
await self.entity_description.turn_on_fn(self.coordinator.data)
except (asyncio.exceptions.TimeoutError, ConnectionError, DecodingError) as exc:
raise HomeAssistantError from exc
finally:
await self.coordinator.async_refresh()
async def async_turn_off(self, **kwargs: Any) -> None:
"""Turn electric heater off."""
try:
await self.entity_description.turn_off_fn(self.coordinator.data)
except (asyncio.exceptions.TimeoutError, ConnectionError, DecodingError) as exc:
raise HomeAssistantError from exc
finally:
await self.coordinator.async_refresh()