core/homeassistant/components/deconz/fan.py

129 lines
4.0 KiB
Python

"""Support for deCONZ fans."""
from __future__ import annotations
from typing import Any, Literal
from pydeconz.models.event import EventType
from pydeconz.models.light.fan import (
FAN_SPEED_25_PERCENT,
FAN_SPEED_50_PERCENT,
FAN_SPEED_75_PERCENT,
FAN_SPEED_100_PERCENT,
FAN_SPEED_OFF,
Fan,
)
from homeassistant.components.fan import DOMAIN, FanEntity, FanEntityFeature
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.util.percentage import (
ordered_list_item_to_percentage,
percentage_to_ordered_list_item,
)
from .deconz_device import DeconzDevice
from .gateway import DeconzGateway, get_gateway_from_config_entry
ORDERED_NAMED_FAN_SPEEDS: list[Literal[0, 1, 2, 3, 4, 5, 6]] = [
FAN_SPEED_25_PERCENT,
FAN_SPEED_50_PERCENT,
FAN_SPEED_75_PERCENT,
FAN_SPEED_100_PERCENT,
]
async def async_setup_entry(
hass: HomeAssistant,
config_entry: ConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Set up fans for deCONZ component."""
gateway = get_gateway_from_config_entry(hass, config_entry)
gateway.entities[DOMAIN] = set()
@callback
def async_add_fan(_: EventType, fan_id: str) -> None:
"""Add fan from deCONZ."""
fan = gateway.api.lights.fans[fan_id]
async_add_entities([DeconzFan(fan, gateway)])
config_entry.async_on_unload(
gateway.api.lights.fans.subscribe(
gateway.evaluate_add_device(async_add_fan),
EventType.ADDED,
)
)
for fan_id in gateway.api.lights.fans:
async_add_fan(EventType.ADDED, fan_id)
class DeconzFan(DeconzDevice, FanEntity):
"""Representation of a deCONZ fan."""
TYPE = DOMAIN
_device: Fan
_default_on_speed: Literal[0, 1, 2, 3, 4, 5, 6]
_attr_supported_features = FanEntityFeature.SET_SPEED
def __init__(self, device: Fan, gateway: DeconzGateway) -> None:
"""Set up fan."""
super().__init__(device, gateway)
self._default_on_speed = FAN_SPEED_50_PERCENT
if self._device.speed in ORDERED_NAMED_FAN_SPEEDS:
self._default_on_speed = self._device.speed
@property
def is_on(self) -> bool:
"""Return true if fan is on."""
return self._device.speed != FAN_SPEED_OFF
@property
def percentage(self) -> int | None:
"""Return the current speed percentage."""
if self._device.speed == FAN_SPEED_OFF:
return 0
if self._device.speed not in ORDERED_NAMED_FAN_SPEEDS:
return None
return ordered_list_item_to_percentage(
ORDERED_NAMED_FAN_SPEEDS, self._device.speed
)
@property
def speed_count(self) -> int:
"""Return the number of speeds the fan supports."""
return len(ORDERED_NAMED_FAN_SPEEDS)
@callback
def async_update_callback(self) -> None:
"""Store latest configured speed from the device."""
if self._device.speed in ORDERED_NAMED_FAN_SPEEDS:
self._default_on_speed = self._device.speed
super().async_update_callback()
async def async_set_percentage(self, percentage: int) -> None:
"""Set the speed percentage of the fan."""
if percentage == 0:
return await self.async_turn_off()
await self._device.set_speed(
percentage_to_ordered_list_item(ORDERED_NAMED_FAN_SPEEDS, percentage)
)
async def async_turn_on(
self,
percentage: int | None = None,
preset_mode: str | None = None,
**kwargs: Any,
) -> None:
"""Turn on fan."""
if percentage is not None:
await self.async_set_percentage(percentage)
return
await self._device.set_speed(self._default_on_speed)
async def async_turn_off(self, **kwargs: Any) -> None:
"""Turn off fan."""
await self._device.set_speed(FAN_SPEED_OFF)