fan.py

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"""Support for Netatmo/Bubendorff fans."""
 
from __future__ import annotations
 
import logging
from typing import Final
 
from pyatmo import modules as NaModules
 
from homeassistant.components.fan import FanEntity, FanEntityFeature
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers.dispatcher import async_dispatcher_connect
from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
from .const import CONF_URL_CONTROL, NETATMO_CREATE_FAN
from .data_handler import HOME, SIGNAL_NAME, NetatmoDevice
from .entity import NetatmoModuleEntity
 
_LOGGER = logging.getLogger(__name__)
 
DEFAULT_PERCENTAGE: Final = 50
 
PRESET_MAPPING = {"slow": 1, "fast": 2}
PRESETS = {v: k for k, v in PRESET_MAPPING.items()}
 
 
async def async_setup_entry(
    hass: HomeAssistant,
    entry: ConfigEntry,
    async_add_entities: AddEntitiesCallback,
) -> None:
    """Set up the Netatmo fan platform."""
 
    @callback
    def _create_entity(netatmo_device: NetatmoDevice) -> None:
        entity = NetatmoFan(netatmo_device)
        _LOGGER.debug("Adding cover %s", entity)
        async_add_entities([entity])
 
    entry.async_on_unload(
        async_dispatcher_connect(hass, NETATMO_CREATE_FAN, _create_entity)
    )
 
 
class NetatmoFan(NetatmoModuleEntity, FanEntity):
    """Representation of a Netatmo fan."""
 
    _attr_preset_modes = ["slow", "fast"]
    _attr_supported_features = FanEntityFeature.PRESET_MODE
    _attr_configuration_url = CONF_URL_CONTROL
    _attr_name = None
    device: NaModules.Fan
    _enable_turn_on_off_backwards_compatibility = False
 
    def __init__(self, netatmo_device: NetatmoDevice) -> None:
        """Initialize of Netatmo fan."""
        super().__init__(netatmo_device)
        self._publishers.extend(
            [
                {
                    "name": HOME,
                    "home_id": self.homehome.entity_id,
                    SIGNAL_NAME: f"{HOME}-{self.home.entity_id}",
                },
            ]
        )
 
        self._attr_unique_id_attr_unique_id = f"{self.device.entity_id}-{self.device_type}"
 
    async def async_set_preset_mode(self, preset_mode: str) -> None:
        """Set the preset mode of the fan."""
        await self.devicedevice.async_set_fan_speed(PRESET_MAPPING[preset_mode])
 
    @callback
    def async_update_callback(self) -> None:
        """Update the entity's state."""
        if self.devicedevice.fan_speed is None:
            self._attr_preset_mode_attr_preset_mode = None
            return
        self._attr_preset_mode_attr_preset_mode = PRESETS.get(self.devicedevice.fan_speed)