core/homeassistant/components/eheimdigital/select.py

104 lines
3.6 KiB
Python

"""EHEIM Digital select entities."""
from collections.abc import Awaitable, Callable
from dataclasses import dataclass
from typing import Generic, TypeVar, override
from eheimdigital.classic_vario import EheimDigitalClassicVario
from eheimdigital.device import EheimDigitalDevice
from eheimdigital.types import FilterMode
from homeassistant.components.select import SelectEntity, SelectEntityDescription
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
from .coordinator import EheimDigitalConfigEntry, EheimDigitalUpdateCoordinator
from .entity import EheimDigitalEntity, exception_handler
PARALLEL_UPDATES = 0
_DeviceT_co = TypeVar("_DeviceT_co", bound=EheimDigitalDevice, covariant=True)
@dataclass(frozen=True, kw_only=True)
class EheimDigitalSelectDescription(SelectEntityDescription, Generic[_DeviceT_co]):
"""Class describing EHEIM Digital select entities."""
value_fn: Callable[[_DeviceT_co], str | None]
set_value_fn: Callable[[_DeviceT_co, str], Awaitable[None]]
CLASSICVARIO_DESCRIPTIONS: tuple[
EheimDigitalSelectDescription[EheimDigitalClassicVario], ...
] = (
EheimDigitalSelectDescription[EheimDigitalClassicVario](
key="filter_mode",
translation_key="filter_mode",
value_fn=(
lambda device: device.filter_mode.name.lower()
if device.filter_mode is not None
else None
),
set_value_fn=(
lambda device, value: device.set_filter_mode(FilterMode[value.upper()])
),
options=[name.lower() for name in FilterMode.__members__],
),
)
async def async_setup_entry(
hass: HomeAssistant,
entry: EheimDigitalConfigEntry,
async_add_entities: AddConfigEntryEntitiesCallback,
) -> None:
"""Set up the callbacks for the coordinator so select entities can be added as devices are found."""
coordinator = entry.runtime_data
def async_setup_device_entities(
device_address: dict[str, EheimDigitalDevice],
) -> None:
"""Set up the number entities for one or multiple devices."""
entities: list[EheimDigitalSelect[EheimDigitalDevice]] = []
for device in device_address.values():
if isinstance(device, EheimDigitalClassicVario):
entities.extend(
EheimDigitalSelect[EheimDigitalClassicVario](
coordinator, device, description
)
for description in CLASSICVARIO_DESCRIPTIONS
)
async_add_entities(entities)
coordinator.add_platform_callback(async_setup_device_entities)
async_setup_device_entities(coordinator.hub.devices)
class EheimDigitalSelect(
EheimDigitalEntity[_DeviceT_co], SelectEntity, Generic[_DeviceT_co]
):
"""Represent an EHEIM Digital select entity."""
entity_description: EheimDigitalSelectDescription[_DeviceT_co]
def __init__(
self,
coordinator: EheimDigitalUpdateCoordinator,
device: _DeviceT_co,
description: EheimDigitalSelectDescription[_DeviceT_co],
) -> None:
"""Initialize an EHEIM Digital select entity."""
super().__init__(coordinator, device)
self.entity_description = description
self._attr_unique_id = f"{self._device_address}_{description.key}"
@override
@exception_handler
async def async_select_option(self, option: str) -> None:
return await self.entity_description.set_value_fn(self._device, option)
@override
def _async_update_attrs(self) -> None:
self._attr_current_option = self.entity_description.value_fn(self._device)