sensor.py

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"""Support for Vera sensors."""
 
from __future__ import annotations
 
from datetime import timedelta
from typing import cast
 
import pyvera as veraApi
 
from homeassistant.components.sensor import (
    ENTITY_ID_FORMAT,
    SensorDeviceClass,
    SensorEntity,
)
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import (
    LIGHT_LUX,
    PERCENTAGE,
    Platform,
    UnitOfPower,
    UnitOfTemperature,
)
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
from .common import ControllerData, get_controller_data
from .entity import VeraEntity
 
SCAN_INTERVAL = timedelta(seconds=5)
 
 
async def async_setup_entry(
    hass: HomeAssistant,
    entry: ConfigEntry,
    async_add_entities: AddEntitiesCallback,
) -> None:
    """Set up the sensor config entry."""
    controller_data = get_controller_data(hass, entry)
    async_add_entities(
        [
            VeraSensor(device, controller_data)
            for device in controller_data.devices[Platform.SENSOR]
        ],
        True,
    )
 
 
class VeraSensor(VeraEntity[veraApi.VeraSensor], SensorEntity):
    """Representation of a Vera Sensor."""
 
    def __init__(
        self, vera_device: veraApi.VeraSensor, controller_data: ControllerData
    ) -> None:
        """Initialize the sensor."""
        self._temperature_units: str | None = None
        self.last_changed_timelast_changed_time = None
        VeraEntity.__init__(self, vera_device, controller_data)
        self.entity_identity_identity_id = ENTITY_ID_FORMAT.format(self.vera_id)
        if self.vera_device.category == veraApi.CATEGORY_TEMPERATURE_SENSOR:
            self._attr_device_class_attr_device_class = SensorDeviceClass.TEMPERATURE
        elif self.vera_device.category == veraApi.CATEGORY_LIGHT_SENSOR:
            self._attr_device_class_attr_device_class = SensorDeviceClass.ILLUMINANCE
        elif self.vera_device.category == veraApi.CATEGORY_HUMIDITY_SENSOR:
            self._attr_device_class_attr_device_class = SensorDeviceClass.HUMIDITY
        elif self.vera_device.category == veraApi.CATEGORY_POWER_METER:
            self._attr_device_class_attr_device_class = SensorDeviceClass.POWER
        if self.vera_device.category == veraApi.CATEGORY_LIGHT_SENSOR:
            self._attr_native_unit_of_measurement_attr_native_unit_of_measurement = LIGHT_LUX
        elif self.vera_device.category == veraApi.CATEGORY_UV_SENSOR:
            self._attr_native_unit_of_measurement_attr_native_unit_of_measurement = "level"
        elif self.vera_device.category == veraApi.CATEGORY_HUMIDITY_SENSOR:
            self._attr_native_unit_of_measurement_attr_native_unit_of_measurement = PERCENTAGE
        elif self.vera_device.category == veraApi.CATEGORY_POWER_METER:
            self._attr_native_unit_of_measurement_attr_native_unit_of_measurement = UnitOfPower.WATT
 
    def update(self) -> None:
        """Update the state."""
        super().update()
        if self.vera_device.category == veraApi.CATEGORY_TEMPERATURE_SENSOR:
            self._attr_native_value_attr_native_value = self.vera_device.temperature
 
            vera_temp_units = self.vera_device.vera_controller.temperature_units
 
            if vera_temp_units == "F":
                self._attr_native_unit_of_measurement_attr_native_unit_of_measurement = UnitOfTemperature.FAHRENHEIT
            else:
                self._attr_native_unit_of_measurement_attr_native_unit_of_measurement = UnitOfTemperature.CELSIUS
 
        elif self.vera_device.category in (
            veraApi.CATEGORY_LIGHT_SENSOR,
            veraApi.CATEGORY_UV_SENSOR,
        ):
            self._attr_native_value_attr_native_value = self.vera_device.light
        elif self.vera_device.category == veraApi.CATEGORY_HUMIDITY_SENSOR:
            self._attr_native_value_attr_native_value = self.vera_device.humidity
        elif self.vera_device.category == veraApi.CATEGORY_SCENE_CONTROLLER:
            controller = cast(veraApi.VeraSceneController, self.vera_device)
            value = controller.get_last_scene_id(True)
            time = controller.get_last_scene_time(True)
            if time == self.last_changed_timelast_changed_time:
                self._attr_native_value_attr_native_value = None
            else:
                self._attr_native_value_attr_native_value = value
            self.last_changed_timelast_changed_time = time
        elif self.vera_device.category == veraApi.CATEGORY_POWER_METER:
            self._attr_native_value_attr_native_value = self.vera_device.power
        elif self.vera_device.is_trippable:
            tripped = self.vera_device.is_tripped
            self._attr_native_value_attr_native_value = "Tripped" if tripped else "Not Tripped"
        else:
            self._attr_native_value_attr_native_value = "Unknown"