mirror of https://github.com/home-assistant/core
141 lines
4.3 KiB
Python
141 lines
4.3 KiB
Python
"""Support for Tasmota fans."""
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from __future__ import annotations
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from typing import Any
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from hatasmota import const as tasmota_const, fan as tasmota_fan
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from hatasmota.entity import TasmotaEntity as HATasmotaEntity
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from hatasmota.models import DiscoveryHashType
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from homeassistant.components.fan import (
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DOMAIN as FAN_DOMAIN,
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FanEntity,
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FanEntityFeature,
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)
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.core import HomeAssistant, callback
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from homeassistant.helpers.dispatcher import async_dispatcher_connect
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from homeassistant.util.percentage import (
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ordered_list_item_to_percentage,
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percentage_to_ordered_list_item,
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)
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from .const import DATA_REMOVE_DISCOVER_COMPONENT
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from .discovery import TASMOTA_DISCOVERY_ENTITY_NEW
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from .entity import TasmotaAvailability, TasmotaDiscoveryUpdate
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ORDERED_NAMED_FAN_SPEEDS = [
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tasmota_const.FAN_SPEED_LOW,
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tasmota_const.FAN_SPEED_MEDIUM,
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tasmota_const.FAN_SPEED_HIGH,
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] # off is not included
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async def async_setup_entry(
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hass: HomeAssistant,
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config_entry: ConfigEntry,
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async_add_entities: AddEntitiesCallback,
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) -> None:
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"""Set up Tasmota fan dynamically through discovery."""
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@callback
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def async_discover(
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tasmota_entity: HATasmotaEntity, discovery_hash: DiscoveryHashType
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) -> None:
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"""Discover and add a Tasmota fan."""
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async_add_entities(
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[TasmotaFan(tasmota_entity=tasmota_entity, discovery_hash=discovery_hash)]
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)
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hass.data[DATA_REMOVE_DISCOVER_COMPONENT.format(FAN_DOMAIN)] = (
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async_dispatcher_connect(
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hass,
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TASMOTA_DISCOVERY_ENTITY_NEW.format(FAN_DOMAIN),
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async_discover,
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)
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)
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class TasmotaFan(
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TasmotaAvailability,
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TasmotaDiscoveryUpdate,
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FanEntity,
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):
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"""Representation of a Tasmota fan."""
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_attr_supported_features = (
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FanEntityFeature.SET_SPEED
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| FanEntityFeature.TURN_OFF
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| FanEntityFeature.TURN_ON
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)
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_fan_speed = tasmota_const.FAN_SPEED_MEDIUM
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_tasmota_entity: tasmota_fan.TasmotaFan
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_enable_turn_on_off_backwards_compatibility = False
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def __init__(self, **kwds: Any) -> None:
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"""Initialize the Tasmota fan."""
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self._state: int | None = None
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super().__init__(
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**kwds,
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)
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async def async_added_to_hass(self) -> None:
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"""Subscribe to MQTT events."""
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self._tasmota_entity.set_on_state_callback(self.fan_state_updated)
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await super().async_added_to_hass()
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@callback
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def fan_state_updated(self, state: int, **kwargs: Any) -> None:
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"""Handle state updates."""
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self._state = state
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if self._state is not None and self._state != 0:
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# Store the last known fan speed
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self._fan_speed = state
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self.async_write_ha_state()
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@property
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def speed_count(self) -> int:
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"""Return the number of speeds the fan supports."""
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return len(ORDERED_NAMED_FAN_SPEEDS)
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@property
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def percentage(self) -> int | None:
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"""Return the current speed percentage."""
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if self._state is None:
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return None
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if self._state == 0:
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return 0
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return ordered_list_item_to_percentage(ORDERED_NAMED_FAN_SPEEDS, self._state)
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async def async_set_percentage(self, percentage: int) -> None:
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"""Set the speed of the fan."""
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if percentage == 0:
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await self.async_turn_off()
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else:
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tasmota_speed = percentage_to_ordered_list_item(
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ORDERED_NAMED_FAN_SPEEDS, percentage
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)
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await self._tasmota_entity.set_speed(tasmota_speed)
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async def async_turn_on(
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self,
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percentage: int | None = None,
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preset_mode: str | None = None,
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**kwargs: Any,
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) -> None:
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"""Turn the fan on."""
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# Tasmota does not support turning a fan on with implicit speed
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await self.async_set_percentage(
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percentage
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or ordered_list_item_to_percentage(
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ORDERED_NAMED_FAN_SPEEDS, self._fan_speed
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)
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)
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async def async_turn_off(self, **kwargs: Any) -> None:
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"""Turn the fan off."""
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await self._tasmota_entity.set_speed(tasmota_const.FAN_SPEED_OFF)
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