Add entity "DHW thermal desinfection day"

Author: rhammen

custom_components/luxtronik/const.py

@@ -32,6 +32,7 @@
     Platform.UPDATE,
     Platform.WATER_HEATER,
     Platform.CLIMATE,
+    Platform.SELECT,
 ]
 UPDATE_INTERVAL_FAST: Final = timedelta(seconds=10)
 UPDATE_INTERVAL_NORMAL: Final = timedelta(minutes=1)
@@ -86,7 +87,7 @@ class UnitOfVolumeFlowRateExt(StrEnum):
 class DeviceKey(StrEnum):
     """Device keys."""
 
-    heatpump: Final = "heatpump"
+    heatpump: Final = "heatpump" 
     heating: Final = "heating"
     domestic_water: Final = "domestic_water"
     cooling: Final = "cooling"
@@ -272,6 +273,39 @@ class LuxSwitchoffReason(Enum):
 LUX_MODELS_OTHER = ["CB", "CI", "CN", "CS"]
 # endregion Lux Definitions
 
+
+class LuxDaySelectorParameter(StrEnum):
+    """Luxtronik parameters for day selector (TDI activation per weekday)."""
+
+    MONDAY: Final = "parameters.ID_Einst_BwTDI_akt_MO"
+    TUESDAY: Final = "parameters.ID_Einst_BwTDI_akt_DI"
+    WEDNESDAY: Final = "parameters.ID_Einst_BwTDI_akt_MI"
+    THURSDAY: Final = "parameters.ID_Einst_BwTDI_akt_DO"
+    FRIDAY: Final = "parameters.ID_Einst_BwTDI_akt_FR"
+    SATURDAY: Final = "parameters.ID_Einst_BwTDI_akt_SA"
+    SUNDAY: Final = "parameters.ID_Einst_BwTDI_akt_SO"
+
+DAY_NAME_TO_PARAM: Final[dict[str, LuxDaySelectorParameter]] = {
+    "Monday": LuxDaySelectorParameter.MONDAY,
+    "Tuesday": LuxDaySelectorParameter.TUESDAY,
+    "Wednesday": LuxDaySelectorParameter.WEDNESDAY,
+    "Thursday": LuxDaySelectorParameter.THURSDAY,
+    "Friday": LuxDaySelectorParameter.FRIDAY,
+    "Saturday": LuxDaySelectorParameter.SATURDAY,
+    "Sunday": LuxDaySelectorParameter.SUNDAY,
+}
+
+DAY_SELECTOR_OPTIONS: Final[list[str]] = [
+    "None",
+    "Monday",
+    "Tuesday",
+    "Wednesday",
+    "Thursday",
+    "Friday",
+    "Saturday",
+    "Sunday",
+]
+
 # region Lux parameters
 
 
@@ -805,7 +839,7 @@ class SensorKey(StrEnum):
     PUMP_VENT_HUP = "pump_vent_hup"
     PUMP_VENT_TIMER_H = "pump_vent_timer_h"
     PUMP_VENT_ACTIVE = "pump_vent_active"
-
+    THERMAL_DESINFECTION_DAY = "thermal_desinfection_day"
 
 # endregion Keys
 

custom_components/luxtronik/select.py

@@ -0,0 +1,107 @@
+"""Support for Luxtronik selectors"""
+
+from homeassistant.components.binary_sensor import ENTITY_ID_FORMAT, BinarySensorEntity
+from homeassistant.components.select import SelectEntity
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.core import HomeAssistant
+from homeassistant.exceptions import ConfigEntryNotReady
+from homeassistant.helpers.entity import EntityCategory
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+
+
+from .base import LuxtronikEntity
+from .common import get_sensor_data
+from .const import (
+    DAY_SELECTOR_OPTIONS,
+    DOMAIN, 
+    CONF_COORDINATOR, 
+    CONF_HA_SENSOR_PREFIX, 
+    LuxDaySelectorParameter, 
+    DAY_NAME_TO_PARAM,
+    DeviceKey,
+    SensorKey as SK
+)
+from .coordinator import LuxtronikCoordinator
+from .model import LuxtronikEntityDescription
+
+
+async def async_setup_entry(
+    hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
+) -> None:
+    """Set up Luxtronik Select entities"""
+
+    data = hass.data.get(DOMAIN, {}).get(entry.entry_id)
+    if not data or CONF_COORDINATOR not in data:
+        raise ConfigEntryNotReady
+
+    coordinator: LuxtronikCoordinator = data[CONF_COORDINATOR]
+
+    # Ensure coordinator has valid data before adding entities
+    if not coordinator.last_update_success:
+        raise ConfigEntryNotReady
+
+    description = LuxtronikEntityDescription(
+        key=SK.THERMAL_DESINFECTION_DAY,
+        name="Thermal Desinfection Day",
+        device_key=DeviceKey.domestic_water,
+        luxtronik_key=LuxDaySelectorParameter.MONDAY,  # Just one valid key for metadata
+    )    
+    async_add_entities([LuxtronikThermalDesinfectionDaySelector(entry, coordinator,description, description.device_key)], True)
+
+
+class LuxtronikThermalDesinfectionDaySelector(LuxtronikEntity, SelectEntity):
+    """Luxtronik Thermal Desinfection Day Selector Entity."""
+    def __init__(
+        self, 
+        entry: ConfigEntry,
+        coordinator: LuxtronikCoordinator,
+        description: LuxtronikEntityDescription,
+        device_info_ident: DeviceKey,
+        ):
+        # No description needed for this custom entity
+        
+        super().__init__(
+            coordinator=coordinator,
+            description=description,
+            device_info_ident=device_info_ident,
+        )
+
+        self._attr_name = "Thermal Desinfection Day"
+        self._attr_options = DAY_SELECTOR_OPTIONS
+        self._attr_current_option = "None"
+        self._attr_entity_category = EntityCategory.CONFIG
+        self._attr_icon = "mdi:calendar"
+        self.coordinator = coordinator
+
+        prefix = entry.data[CONF_HA_SENSOR_PREFIX]
+        self.entity_id = ENTITY_ID_FORMAT.format(f"{prefix}_thermal_desinfection_day")
+        self._attr_unique_id = self.entity_id
+
+    async def async_select_option(self, option: str) -> None:
+        """Handle selection of a new day."""
+        self._attr_current_option = option
+        current_data = self.coordinator.data
+
+        for day, param_enum in DAY_NAME_TO_PARAM.items():
+            param = param_enum.value
+            desired_value = 1 if day == option else 0
+            current_value = int(get_sensor_data(current_data, param))
+
+            if current_value != desired_value:
+                await self.coordinator.async_write(param, desired_value)
+
+        self.async_write_ha_state()
+
+    async def async_update(self) -> None:
+        """Read current day from heat pump and update selected option."""
+        data = self.coordinator.data
+        selected_day = "None"
+
+        for day, param_enum in DAY_NAME_TO_PARAM.items():
+            param = param_enum.value
+            value = get_sensor_data(data, param)
+            if str(value) == "1":
+                selected_day = day
+                break
+
+        self._attr_current_option = selected_day