core/homeassistant/components/vallox/fan.py

250 lines
7.7 KiB
Python

"""Support for the Vallox ventilation unit fan."""
from __future__ import annotations
from collections.abc import Mapping
import logging
from typing import Any
from vallox_websocket_api import Vallox
from vallox_websocket_api.exceptions import ValloxApiException
from homeassistant.components.fan import (
SUPPORT_PRESET_MODE,
FanEntity,
NotValidPresetModeError,
)
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers.dispatcher import async_dispatcher_connect
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
from . import ValloxStateProxy
from .const import (
DOMAIN,
METRIC_KEY_MODE,
METRIC_KEY_PROFILE_FAN_SPEED_AWAY,
METRIC_KEY_PROFILE_FAN_SPEED_BOOST,
METRIC_KEY_PROFILE_FAN_SPEED_HOME,
MODE_OFF,
MODE_ON,
SIGNAL_VALLOX_STATE_UPDATE,
STR_TO_VALLOX_PROFILE_SETTABLE,
VALLOX_PROFILE_TO_STR_SETTABLE,
)
_LOGGER = logging.getLogger(__name__)
ATTR_PROFILE_FAN_SPEED_HOME = {
"description": "fan_speed_home",
"metric_key": METRIC_KEY_PROFILE_FAN_SPEED_HOME,
}
ATTR_PROFILE_FAN_SPEED_AWAY = {
"description": "fan_speed_away",
"metric_key": METRIC_KEY_PROFILE_FAN_SPEED_AWAY,
}
ATTR_PROFILE_FAN_SPEED_BOOST = {
"description": "fan_speed_boost",
"metric_key": METRIC_KEY_PROFILE_FAN_SPEED_BOOST,
}
async def async_setup_platform(
hass: HomeAssistant,
config: ConfigType,
async_add_entities: AddEntitiesCallback,
discovery_info: DiscoveryInfoType | None = None,
) -> None:
"""Set up the fan device."""
if discovery_info is None:
return
client = hass.data[DOMAIN]["client"]
client.set_settable_address(METRIC_KEY_MODE, int)
device = ValloxFan(
hass.data[DOMAIN]["name"], client, hass.data[DOMAIN]["state_proxy"]
)
async_add_entities([device], update_before_add=False)
class ValloxFan(FanEntity):
"""Representation of the fan."""
_attr_should_poll = False
def __init__(
self, name: str, client: Vallox, state_proxy: ValloxStateProxy
) -> None:
"""Initialize the fan."""
self._client = client
self._state_proxy = state_proxy
self._is_on = False
self._preset_mode: str | None = None
self._fan_speed_home: int | None = None
self._fan_speed_away: int | None = None
self._fan_speed_boost: int | None = None
self._attr_name = name
self._attr_available = False
@property
def supported_features(self) -> int:
"""Flag supported features."""
return SUPPORT_PRESET_MODE
@property
def preset_modes(self) -> list[str]:
"""Return a list of available preset modes."""
# Use the Vallox profile names for the preset names.
return list(STR_TO_VALLOX_PROFILE_SETTABLE.keys())
@property
def is_on(self) -> bool:
"""Return if device is on."""
return self._is_on
@property
def preset_mode(self) -> str | None:
"""Return the current preset mode."""
return self._preset_mode
@property
def extra_state_attributes(self) -> Mapping[str, int | None]:
"""Return device specific state attributes."""
return {
ATTR_PROFILE_FAN_SPEED_HOME["description"]: self._fan_speed_home,
ATTR_PROFILE_FAN_SPEED_AWAY["description"]: self._fan_speed_away,
ATTR_PROFILE_FAN_SPEED_BOOST["description"]: self._fan_speed_boost,
}
async def async_added_to_hass(self) -> None:
"""Call to update."""
self.async_on_remove(
async_dispatcher_connect(
self.hass, SIGNAL_VALLOX_STATE_UPDATE, self._update_callback
)
)
@callback
def _update_callback(self) -> None:
"""Call update method."""
self.async_schedule_update_ha_state(True)
async def async_update(self) -> None:
"""Fetch state from the device."""
try:
# Fetch if the whole device is in regular operation state.
self._is_on = self._state_proxy.fetch_metric(METRIC_KEY_MODE) == MODE_ON
vallox_profile = self._state_proxy.get_profile()
# Fetch the profile fan speeds.
fan_speed_home = self._state_proxy.fetch_metric(
ATTR_PROFILE_FAN_SPEED_HOME["metric_key"]
)
fan_speed_away = self._state_proxy.fetch_metric(
ATTR_PROFILE_FAN_SPEED_AWAY["metric_key"]
)
fan_speed_boost = self._state_proxy.fetch_metric(
ATTR_PROFILE_FAN_SPEED_BOOST["metric_key"]
)
except (OSError, KeyError, TypeError) as err:
self._attr_available = False
_LOGGER.error("Error updating fan: %s", err)
return
self._preset_mode = VALLOX_PROFILE_TO_STR_SETTABLE.get(vallox_profile)
self._fan_speed_home = (
int(fan_speed_home) if isinstance(fan_speed_home, (int, float)) else None
)
self._fan_speed_away = (
int(fan_speed_away) if isinstance(fan_speed_away, (int, float)) else None
)
self._fan_speed_boost = (
int(fan_speed_boost) if isinstance(fan_speed_boost, (int, float)) else None
)
self._attr_available = True
async def _async_set_preset_mode_internal(self, preset_mode: str) -> bool:
"""
Set new preset mode.
Returns true if the mode has been changed, false otherwise.
"""
try:
self._valid_preset_mode_or_raise(preset_mode) # type: ignore[no-untyped-call]
except NotValidPresetModeError as err:
_LOGGER.error(err)
return False
if preset_mode == self.preset_mode:
return False
try:
await self._client.set_profile(STR_TO_VALLOX_PROFILE_SETTABLE[preset_mode])
except (OSError, ValloxApiException) as err:
_LOGGER.error("Error setting preset: %s", err)
return False
return True
async def async_set_preset_mode(self, preset_mode: str) -> None:
"""Set new preset mode."""
update_needed = await self._async_set_preset_mode_internal(preset_mode)
if update_needed:
# This state change affects other entities like sensors. Force an immediate update that
# can be observed by all parties involved.
await self._state_proxy.async_update()
async def async_turn_on(
self,
speed: str | None = None,
percentage: int | None = None,
preset_mode: str | None = None,
**kwargs: Any,
) -> None:
"""Turn the device on."""
_LOGGER.debug("Turn on: %s", speed)
update_needed = False
if preset_mode:
update_needed = await self._async_set_preset_mode_internal(preset_mode)
if not self.is_on:
try:
await self._client.set_values({METRIC_KEY_MODE: MODE_ON})
except OSError as err:
_LOGGER.error("Error turning on: %s", err)
else:
update_needed = True
if update_needed:
# This state change affects other entities like sensors. Force an immediate update that
# can be observed by all parties involved.
await self._state_proxy.async_update()
async def async_turn_off(self, **kwargs: Any) -> None:
"""Turn the device off."""
if not self.is_on:
return
try:
await self._client.set_values({METRIC_KEY_MODE: MODE_OFF})
except OSError as err:
_LOGGER.error("Error turning off: %s", err)
return
# Same as for turn_on method.
await self._state_proxy.async_update()