293 lines
8.5 KiB
Python
293 lines
8.5 KiB
Python
"""Support for Tado hot water zones."""
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import logging
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from homeassistant.components.water_heater import (
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SUPPORT_OPERATION_MODE,
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SUPPORT_TARGET_TEMPERATURE,
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WaterHeaterDevice,
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)
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from homeassistant.const import ATTR_TEMPERATURE, TEMP_CELSIUS
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from homeassistant.core import callback
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from homeassistant.helpers.dispatcher import async_dispatcher_connect
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from . import DOMAIN, SIGNAL_TADO_UPDATE_RECEIVED
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from .const import (
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CONST_MODE_HEAT,
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CONST_MODE_OFF,
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CONST_MODE_SMART_SCHEDULE,
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CONST_OVERLAY_MANUAL,
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CONST_OVERLAY_TADO_MODE,
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CONST_OVERLAY_TIMER,
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DATA,
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TYPE_HOT_WATER,
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)
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_LOGGER = logging.getLogger(__name__)
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MODE_AUTO = "auto"
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MODE_HEAT = "heat"
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MODE_OFF = "off"
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OPERATION_MODES = [MODE_AUTO, MODE_HEAT, MODE_OFF]
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WATER_HEATER_MAP_TADO = {
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CONST_OVERLAY_MANUAL: MODE_HEAT,
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CONST_OVERLAY_TIMER: MODE_HEAT,
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CONST_OVERLAY_TADO_MODE: MODE_HEAT,
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CONST_MODE_SMART_SCHEDULE: MODE_AUTO,
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CONST_MODE_OFF: MODE_OFF,
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}
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SUPPORT_FLAGS_HEATER = SUPPORT_OPERATION_MODE
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def setup_platform(hass, config, add_entities, discovery_info=None):
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"""Set up the Tado water heater platform."""
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if discovery_info is None:
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return
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api_list = hass.data[DOMAIN][DATA]
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entities = []
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for tado in api_list:
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for zone in tado.zones:
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if zone["type"] in [TYPE_HOT_WATER]:
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entity = create_water_heater_entity(
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hass, tado, zone["name"], zone["id"]
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)
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entities.append(entity)
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if entities:
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add_entities(entities, True)
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def create_water_heater_entity(hass, tado, name: str, zone_id: int):
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"""Create a Tado water heater device."""
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capabilities = tado.get_capabilities(zone_id)
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supports_temperature_control = capabilities["canSetTemperature"]
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if supports_temperature_control and "temperatures" in capabilities:
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temperatures = capabilities["temperatures"]
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min_temp = float(temperatures["celsius"]["min"])
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max_temp = float(temperatures["celsius"]["max"])
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else:
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min_temp = None
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max_temp = None
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entity = TadoWaterHeater(
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hass, tado, name, zone_id, supports_temperature_control, min_temp, max_temp
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)
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return entity
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class TadoWaterHeater(WaterHeaterDevice):
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"""Representation of a Tado water heater."""
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def __init__(
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self,
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hass,
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tado,
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zone_name,
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zone_id,
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supports_temperature_control,
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min_temp,
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max_temp,
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):
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"""Initialize of Tado water heater entity."""
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self.hass = hass
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self._tado = tado
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self.zone_name = zone_name
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self.zone_id = zone_id
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self._unique_id = f"{zone_id} {tado.device_id}"
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self._device_is_active = False
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self._is_away = False
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self._supports_temperature_control = supports_temperature_control
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self._min_temperature = min_temp
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self._max_temperature = max_temp
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self._target_temp = None
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self._supported_features = SUPPORT_FLAGS_HEATER
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if self._supports_temperature_control:
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self._supported_features |= SUPPORT_TARGET_TEMPERATURE
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self._current_tado_heat_mode = CONST_MODE_SMART_SCHEDULE
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self._overlay_mode = CONST_MODE_SMART_SCHEDULE
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self._async_update_data()
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async def async_added_to_hass(self):
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"""Register for sensor updates."""
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async_dispatcher_connect(
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self.hass,
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SIGNAL_TADO_UPDATE_RECEIVED.format("zone", self.zone_id),
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self._async_update_callback,
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)
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@property
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def supported_features(self):
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"""Return the list of supported features."""
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return self._supported_features
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@property
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def name(self):
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"""Return the name of the entity."""
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return self.zone_name
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@property
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def unique_id(self):
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"""Return the unique id."""
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return self._unique_id
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@property
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def should_poll(self) -> bool:
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"""Do not poll."""
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return False
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@property
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def current_operation(self):
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"""Return current readable operation mode."""
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return WATER_HEATER_MAP_TADO.get(self._current_tado_heat_mode)
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@property
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def target_temperature(self):
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"""Return the temperature we try to reach."""
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return self._target_temp
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@property
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def is_away_mode_on(self):
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"""Return true if away mode is on."""
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return self._is_away
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@property
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def operation_list(self):
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"""Return the list of available operation modes (readable)."""
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return OPERATION_MODES
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@property
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def temperature_unit(self):
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"""Return the unit of measurement used by the platform."""
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return TEMP_CELSIUS
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@property
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def min_temp(self):
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"""Return the minimum temperature."""
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return self._min_temperature
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@property
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def max_temp(self):
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"""Return the maximum temperature."""
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return self._max_temperature
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def set_operation_mode(self, operation_mode):
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"""Set new operation mode."""
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mode = None
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if operation_mode == MODE_OFF:
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mode = CONST_MODE_OFF
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elif operation_mode == MODE_AUTO:
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mode = CONST_MODE_SMART_SCHEDULE
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elif operation_mode == MODE_HEAT:
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mode = CONST_MODE_HEAT
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self._control_heater(heat_mode=mode)
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def set_temperature(self, **kwargs):
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"""Set new target temperature."""
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temperature = kwargs.get(ATTR_TEMPERATURE)
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if not self._supports_temperature_control or temperature is None:
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return
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self._control_heater(target_temp=temperature)
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@callback
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def _async_update_callback(self):
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"""Load tado data and update state."""
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self._async_update_data()
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self.async_write_ha_state()
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@callback
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def _async_update_data(self):
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"""Load tado data."""
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_LOGGER.debug("Updating water_heater platform for zone %d", self.zone_id)
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data = self._tado.data["zone"][self.zone_id]
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if "tadoMode" in data:
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mode = data["tadoMode"]
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self._is_away = mode == "AWAY"
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if "setting" in data:
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power = data["setting"]["power"]
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if power == "OFF":
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self._current_tado_heat_mode = CONST_MODE_OFF
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else:
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self._current_tado_heat_mode = CONST_MODE_HEAT
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# temperature setting will not exist when device is off
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if (
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"temperature" in data["setting"]
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and data["setting"]["temperature"] is not None
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):
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self._target_temp = float(data["setting"]["temperature"]["celsius"])
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# If there is no overlay
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# then we are running the smart schedule
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if "overlay" in data and data["overlay"] is None:
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self._current_tado_heat_mode = CONST_MODE_SMART_SCHEDULE
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self.async_write_ha_state()
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def _control_heater(self, heat_mode=None, target_temp=None):
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"""Send new target temperature."""
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if heat_mode:
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self._current_tado_heat_mode = heat_mode
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if target_temp:
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self._target_temp = target_temp
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# Set a target temperature if we don't have any
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if self._target_temp is None:
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self._target_temp = self.min_temp
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if self._current_tado_heat_mode == CONST_MODE_SMART_SCHEDULE:
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_LOGGER.debug(
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"Switching to SMART_SCHEDULE for zone %s (%d)",
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self.zone_name,
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self.zone_id,
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)
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self._tado.reset_zone_overlay(self.zone_id)
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return
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if self._current_tado_heat_mode == CONST_MODE_OFF:
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_LOGGER.debug(
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"Switching to OFF for zone %s (%d)", self.zone_name, self.zone_id
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)
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self._tado.set_zone_off(self.zone_id, CONST_OVERLAY_MANUAL, TYPE_HOT_WATER)
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return
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# Fallback to Smart Schedule at next Schedule switch if we have fallback enabled
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overlay_mode = (
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CONST_OVERLAY_TADO_MODE if self._tado.fallback else CONST_OVERLAY_MANUAL
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)
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_LOGGER.debug(
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"Switching to %s for zone %s (%d) with temperature %s",
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self._current_tado_heat_mode,
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self.zone_name,
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self.zone_id,
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self._target_temp,
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)
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self._tado.set_zone_overlay(
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zone_id=self.zone_id,
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overlay_mode=overlay_mode,
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temperature=self._target_temp,
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duration=None,
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device_type=TYPE_HOT_WATER,
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)
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self._overlay_mode = self._current_tado_heat_mode
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