Files
core/homeassistant/components/saunum/climate.py
2025-11-24 12:02:46 +01:00

147 lines
5.0 KiB
Python

"""Climate platform for Saunum Leil Sauna Control Unit."""
from __future__ import annotations
import asyncio
from typing import Any
from pysaunum import MAX_TEMPERATURE, MIN_TEMPERATURE, SaunumException
from homeassistant.components.climate import (
FAN_HIGH,
FAN_LOW,
FAN_MEDIUM,
FAN_OFF,
ClimateEntity,
ClimateEntityFeature,
HVACAction,
HVACMode,
)
from homeassistant.const import ATTR_TEMPERATURE, UnitOfTemperature
from homeassistant.core import HomeAssistant
from homeassistant.exceptions import HomeAssistantError, ServiceValidationError
from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
from . import LeilSaunaConfigEntry
from .const import DELAYED_REFRESH_SECONDS, DOMAIN
from .entity import LeilSaunaEntity
PARALLEL_UPDATES = 1
# Map Saunum fan speed (0-3) to Home Assistant fan modes
FAN_SPEED_TO_MODE = {
0: FAN_OFF,
1: FAN_LOW,
2: FAN_MEDIUM,
3: FAN_HIGH,
}
FAN_MODE_TO_SPEED = {v: k for k, v in FAN_SPEED_TO_MODE.items()}
async def async_setup_entry(
hass: HomeAssistant,
entry: LeilSaunaConfigEntry,
async_add_entities: AddConfigEntryEntitiesCallback,
) -> None:
"""Set up Saunum Leil Sauna climate entity."""
coordinator = entry.runtime_data
async_add_entities([LeilSaunaClimate(coordinator)])
class LeilSaunaClimate(LeilSaunaEntity, ClimateEntity):
"""Representation of a Saunum Leil Sauna climate entity."""
_attr_name = None
_attr_hvac_modes = [HVACMode.OFF, HVACMode.HEAT]
_attr_supported_features = (
ClimateEntityFeature.TARGET_TEMPERATURE | ClimateEntityFeature.FAN_MODE
)
_attr_temperature_unit = UnitOfTemperature.CELSIUS
_attr_min_temp = MIN_TEMPERATURE
_attr_max_temp = MAX_TEMPERATURE
_attr_fan_modes = [FAN_OFF, FAN_LOW, FAN_MEDIUM, FAN_HIGH]
@property
def current_temperature(self) -> float | None:
"""Return the current temperature in Celsius."""
return self.coordinator.data.current_temperature
@property
def target_temperature(self) -> float | None:
"""Return the target temperature in Celsius."""
return self.coordinator.data.target_temperature
@property
def fan_mode(self) -> str | None:
"""Return the current fan mode."""
fan_speed = self.coordinator.data.fan_speed
if fan_speed is not None and fan_speed in FAN_SPEED_TO_MODE:
return FAN_SPEED_TO_MODE[fan_speed]
return None
@property
def hvac_mode(self) -> HVACMode:
"""Return current HVAC mode."""
session_active = self.coordinator.data.session_active
return HVACMode.HEAT if session_active else HVACMode.OFF
@property
def hvac_action(self) -> HVACAction | None:
"""Return current HVAC action."""
if not self.coordinator.data.session_active:
return HVACAction.OFF
heater_elements_active = self.coordinator.data.heater_elements_active
return (
HVACAction.HEATING
if heater_elements_active and heater_elements_active > 0
else HVACAction.IDLE
)
async def async_set_hvac_mode(self, hvac_mode: HVACMode) -> None:
"""Set new HVAC mode."""
try:
if hvac_mode == HVACMode.HEAT:
await self.coordinator.client.async_start_session()
else:
await self.coordinator.client.async_stop_session()
except SaunumException as err:
raise HomeAssistantError(
translation_domain=DOMAIN,
translation_key="set_hvac_mode_failed",
translation_placeholders={"hvac_mode": hvac_mode},
) from err
# The device takes 1-2 seconds to turn heater elements on/off and
# update heater_elements_active. Wait and refresh again to ensure
# the HVAC action state reflects the actual heater status.
await asyncio.sleep(DELAYED_REFRESH_SECONDS.total_seconds())
await self.coordinator.async_request_refresh()
async def async_set_temperature(self, **kwargs: Any) -> None:
"""Set new target temperature."""
try:
await self.coordinator.client.async_set_target_temperature(
int(kwargs[ATTR_TEMPERATURE])
)
except SaunumException as err:
raise HomeAssistantError(
translation_domain=DOMAIN,
translation_key="set_temperature_failed",
translation_placeholders={"temperature": str(kwargs[ATTR_TEMPERATURE])},
) from err
await self.coordinator.async_request_refresh()
async def async_set_fan_mode(self, fan_mode: str) -> None:
"""Set new fan mode."""
if not self.coordinator.data.session_active:
raise ServiceValidationError(
"Cannot change fan mode when sauna session is not active",
translation_domain=DOMAIN,
translation_key="session_not_active",
)
await self.coordinator.client.async_set_fan_speed(FAN_MODE_TO_SPEED[fan_mode])
await self.coordinator.async_request_refresh()