mirror of https://github.com/home-assistant/core
122 lines
4.2 KiB
Python
122 lines
4.2 KiB
Python
"""Support for Cambridge Audio select entities."""
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from collections.abc import Awaitable, Callable
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from dataclasses import dataclass, field
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from aiostreammagic import StreamMagicClient
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from aiostreammagic.models import DisplayBrightness
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from homeassistant.components.select import SelectEntity, SelectEntityDescription
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.const import EntityCategory
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from homeassistant.core import HomeAssistant
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from .entity import CambridgeAudioEntity
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@dataclass(frozen=True, kw_only=True)
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class CambridgeAudioSelectEntityDescription(SelectEntityDescription):
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"""Describes Cambridge Audio select entity."""
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options_fn: Callable[[StreamMagicClient], list[str]] = field(default=lambda _: [])
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load_fn: Callable[[StreamMagicClient], bool] = field(default=lambda _: True)
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value_fn: Callable[[StreamMagicClient], str | None]
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set_value_fn: Callable[[StreamMagicClient, str], Awaitable[None]]
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async def _audio_output_set_value_fn(client: StreamMagicClient, value: str) -> None:
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"""Set the audio output using the display name."""
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audio_output_id = next(
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(output.id for output in client.audio_output.outputs if value == output.name),
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None,
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)
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assert audio_output_id is not None
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await client.set_audio_output(audio_output_id)
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def _audio_output_value_fn(client: StreamMagicClient) -> str | None:
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"""Convert the current audio output id to name."""
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return next(
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(
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output.name
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for output in client.audio_output.outputs
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if client.state.audio_output == output.id
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),
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None,
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)
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CONTROL_ENTITIES: tuple[CambridgeAudioSelectEntityDescription, ...] = (
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CambridgeAudioSelectEntityDescription(
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key="display_brightness",
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translation_key="display_brightness",
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options=[
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DisplayBrightness.BRIGHT.value,
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DisplayBrightness.DIM.value,
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DisplayBrightness.OFF.value,
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],
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entity_category=EntityCategory.CONFIG,
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load_fn=lambda client: client.display.brightness != DisplayBrightness.NONE,
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value_fn=lambda client: client.display.brightness,
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set_value_fn=lambda client, value: client.set_display_brightness(
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DisplayBrightness(value)
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),
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),
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CambridgeAudioSelectEntityDescription(
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key="audio_output",
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translation_key="audio_output",
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entity_category=EntityCategory.CONFIG,
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options_fn=lambda client: [
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output.name for output in client.audio_output.outputs
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],
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load_fn=lambda client: len(client.audio_output.outputs) > 0,
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value_fn=_audio_output_value_fn,
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set_value_fn=_audio_output_set_value_fn,
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),
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)
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async def async_setup_entry(
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hass: HomeAssistant,
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entry: ConfigEntry,
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async_add_entities: AddEntitiesCallback,
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) -> None:
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"""Set up Cambridge Audio select entities based on a config entry."""
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client: StreamMagicClient = entry.runtime_data
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entities: list[CambridgeAudioSelect] = [
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CambridgeAudioSelect(client, description)
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for description in CONTROL_ENTITIES
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if description.load_fn(client)
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]
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async_add_entities(entities)
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class CambridgeAudioSelect(CambridgeAudioEntity, SelectEntity):
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"""Defines a Cambridge Audio select entity."""
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entity_description: CambridgeAudioSelectEntityDescription
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def __init__(
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self,
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client: StreamMagicClient,
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description: CambridgeAudioSelectEntityDescription,
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) -> None:
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"""Initialize Cambridge Audio select."""
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super().__init__(client)
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self.entity_description = description
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self._attr_unique_id = f"{client.info.unit_id}-{description.key}"
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options_fn = description.options_fn(client)
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if options_fn:
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self._attr_options = options_fn
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@property
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def current_option(self) -> str | None:
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"""Return the state of the select."""
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return self.entity_description.value_fn(self.client)
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async def async_select_option(self, option: str) -> None:
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"""Change the selected option."""
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await self.entity_description.set_value_fn(self.client, option)
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