core/homeassistant/components/airgradient/button.py

106 lines
3.4 KiB
Python

"""Support for AirGradient buttons."""
from collections.abc import Awaitable, Callable
from dataclasses import dataclass
from airgradient import AirGradientClient, ConfigurationControl
from homeassistant.components.button import (
DOMAIN as BUTTON_DOMAIN,
ButtonEntity,
ButtonEntityDescription,
)
from homeassistant.const import EntityCategory
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers import entity_registry as er
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from . import AirGradientConfigEntry
from .const import DOMAIN
from .coordinator import AirGradientCoordinator
from .entity import AirGradientEntity
@dataclass(frozen=True, kw_only=True)
class AirGradientButtonEntityDescription(ButtonEntityDescription):
"""Describes AirGradient button entity."""
press_fn: Callable[[AirGradientClient], Awaitable[None]]
CO2_CALIBRATION = AirGradientButtonEntityDescription(
key="co2_calibration",
translation_key="co2_calibration",
entity_category=EntityCategory.CONFIG,
press_fn=lambda client: client.request_co2_calibration(),
)
LED_BAR_TEST = AirGradientButtonEntityDescription(
key="led_bar_test",
translation_key="led_bar_test",
entity_category=EntityCategory.CONFIG,
press_fn=lambda client: client.request_led_bar_test(),
)
async def async_setup_entry(
hass: HomeAssistant,
entry: AirGradientConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Set up AirGradient button entities based on a config entry."""
coordinator = entry.runtime_data
model = coordinator.data.measures.model
added_entities = False
@callback
def _check_entities() -> None:
nonlocal added_entities
if (
coordinator.data.config.configuration_control is ConfigurationControl.LOCAL
and not added_entities
):
entities = [AirGradientButton(coordinator, CO2_CALIBRATION)]
if "L" in model:
entities.append(AirGradientButton(coordinator, LED_BAR_TEST))
async_add_entities(entities)
added_entities = True
elif (
coordinator.data.config.configuration_control
is not ConfigurationControl.LOCAL
and added_entities
):
entity_registry = er.async_get(hass)
for entity_description in (CO2_CALIBRATION, LED_BAR_TEST):
unique_id = f"{coordinator.serial_number}-{entity_description.key}"
if entity_id := entity_registry.async_get_entity_id(
BUTTON_DOMAIN, DOMAIN, unique_id
):
entity_registry.async_remove(entity_id)
added_entities = False
coordinator.async_add_listener(_check_entities)
_check_entities()
class AirGradientButton(AirGradientEntity, ButtonEntity):
"""Defines an AirGradient button."""
entity_description: AirGradientButtonEntityDescription
def __init__(
self,
coordinator: AirGradientCoordinator,
description: AirGradientButtonEntityDescription,
) -> None:
"""Initialize airgradient button."""
super().__init__(coordinator)
self.entity_description = description
self._attr_unique_id = f"{coordinator.serial_number}-{description.key}"
async def async_press(self) -> None:
"""Press the button."""
await self.entity_description.press_fn(self.coordinator.client)