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custom_components/powercalc/sensors/fixed_energy/abstract.py
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,124 @@ | ||
| from __future__ import annotations | ||
|
|
||
| import decimal | ||
| import logging | ||
| from datetime import timedelta | ||
| from decimal import Decimal | ||
| from typing import Callable | ||
|
|
||
| import homeassistant.util.dt as dt_util | ||
| from homeassistant.backports.enum import StrEnum | ||
| from homeassistant.components.sensor import ( | ||
| SensorDeviceClass, | ||
| SensorEntity, | ||
| SensorStateClass, | ||
| ) | ||
| from homeassistant.const import ( | ||
| CONF_UNIQUE_ID, | ||
| CONF_UNIT_OF_MEASUREMENT, | ||
| ENERGY_KILO_WATT_HOUR, | ||
| ENERGY_MEGA_WATT_HOUR, | ||
| ENERGY_WATT_HOUR, | ||
| ) | ||
| from homeassistant.core import HomeAssistant, callback | ||
| from homeassistant.helpers.restore_state import RestoreEntity | ||
| from homeassistant.helpers.template import Template | ||
| from homeassistant.helpers.typing import ConfigType | ||
| from custom_components.powercalc.const import ( | ||
| CONF_ENERGY_SENSOR_CATEGORY, | ||
| CONF_ENERGY_SENSOR_UNIT_PREFIX, | ||
| UnitPrefix, | ||
| ) | ||
| from custom_components.powercalc.sensors.energy import EnergySensor | ||
|
|
||
| _LOGGER = logging.getLogger(__name__) | ||
|
|
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| ENERGY_ICON = "mdi:lightning-bolt" | ||
|
|
||
|
|
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| class FixedEnergyMode(StrEnum): | ||
| DAILY = "daily" | ||
| CYCLIC = "cyclic" | ||
|
|
||
|
|
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| class FixedEnergySensor(RestoreEntity, SensorEntity, EnergySensor): | ||
| _attr_device_class = SensorDeviceClass.ENERGY | ||
| _attr_state_class = SensorStateClass.TOTAL | ||
| _attr_should_poll = False | ||
| _attr_icon = ENERGY_ICON | ||
|
|
||
| def __init__( | ||
| self, | ||
| hass: HomeAssistant, | ||
| name: str, | ||
| entity_id: str, | ||
| sensor_config: ConfigType, | ||
| mode_config: ConfigType, | ||
| rounding_digits: int = 4, | ||
| ): | ||
| self._hass = hass | ||
| self._attr_name = name | ||
| self._state: Decimal = Decimal(0) | ||
| self._attr_entity_category = sensor_config.get(CONF_ENERGY_SENSOR_CATEGORY) | ||
| self._value: float | Template | None = None | ||
| self._user_unit_of_measurement = mode_config.get(CONF_UNIT_OF_MEASUREMENT) | ||
| self._update_frequency: int | None = None | ||
| self._sensor_config = sensor_config | ||
| self._on_time: timedelta | None = None | ||
| self._rounding_digits = rounding_digits | ||
| self._attr_unique_id = sensor_config.get(CONF_UNIQUE_ID) | ||
| self.entity_id = entity_id | ||
| self._last_updated: float = dt_util.utcnow().timestamp() | ||
| self._last_delta_calculate: float | None = None | ||
| self.set_native_unit_of_measurement() | ||
| self._update_timer_removal: Callable[[], None] | None = None | ||
| self.set_sensor_properties_from_mode_config(mode_config) | ||
|
|
||
| def set_sensor_properties_from_mode_config(self, sensor_config: ConfigType): | ||
| pass | ||
|
|
||
| def set_native_unit_of_measurement(self): | ||
| """Set the native unit of measurement""" | ||
| unit_prefix = ( | ||
| self._sensor_config.get(CONF_ENERGY_SENSOR_UNIT_PREFIX) or UnitPrefix.KILO | ||
| ) | ||
| if unit_prefix == UnitPrefix.KILO: | ||
| self._attr_native_unit_of_measurement = ENERGY_KILO_WATT_HOUR | ||
| elif unit_prefix == UnitPrefix.NONE: | ||
| self._attr_native_unit_of_measurement = ENERGY_WATT_HOUR | ||
| elif unit_prefix == UnitPrefix.MEGA: | ||
| self._attr_native_unit_of_measurement = ENERGY_MEGA_WATT_HOUR | ||
|
|
||
| async def async_added_to_hass(self): | ||
| """Handle entity which will be added.""" | ||
|
|
||
| if state := await self.async_get_last_state(): | ||
| try: | ||
| self._state = Decimal(state.state) | ||
| except decimal.DecimalException: | ||
| _LOGGER.warning( | ||
| f"{self.entity_id}: Cannot restore state: {state.state}" | ||
| ) | ||
| self._state = Decimal(0) | ||
| self._last_updated = state.last_changed.timestamp() | ||
| self._state += self.calculate_delta() | ||
| self.async_schedule_update_ha_state() | ||
| else: | ||
| self._state = Decimal(0) | ||
|
|
||
| _LOGGER.debug(f"{self.entity_id}: Restoring state: {self._state}") | ||
|
|
||
| def calculate_delta(self, elapsed_seconds: int = 0) -> Decimal: | ||
| return Decimal(0) | ||
|
|
||
| @property | ||
| def native_value(self): | ||
| """Return the state of the sensor.""" | ||
| return round(self._state, self._rounding_digits) | ||
|
|
||
| @callback | ||
| def async_reset_energy(self) -> None: | ||
| _LOGGER.debug(f"{self.entity_id}: Reset energy sensor") | ||
| self._state = 0 | ||
| self._attr_last_reset = dt_util.utcnow() | ||
| self.async_write_ha_state() |
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