sensor.py

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"""Support for AirVisual Pro sensors."""
 
from __future__ import annotations
 
from collections.abc import Callable
from dataclasses import dataclass
from typing import Any
 
from homeassistant.components.sensor import (
    SensorDeviceClass,
    SensorEntity,
    SensorEntityDescription,
    SensorStateClass,
)
from homeassistant.const import (
    CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
    CONCENTRATION_PARTS_PER_MILLION,
    PERCENTAGE,
    EntityCategory,
    UnitOfTemperature,
)
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
from . import AirVisualProConfigEntry
from .entity import AirVisualProEntity
 
 
@dataclass(frozen=True, kw_only=True)
class AirVisualProMeasurementDescription(SensorEntityDescription):
    """Describe an AirVisual Pro sensor."""
 
    value_fn: Callable[
        [dict[str, Any], dict[str, Any], dict[str, Any], dict[str, Any]], float | int
    ]
 
 
SENSOR_DESCRIPTIONS = (
    AirVisualProMeasurementDescription(
        key="air_quality_index",
        device_class=SensorDeviceClass.AQI,
        state_class=SensorStateClass.MEASUREMENT,
        value_fn=lambda settings, status, measurements, history: measurements[
            async_get_aqi_locale(settings)
        ],
    ),
    AirVisualProMeasurementDescription(
        key="outdoor_air_quality_index",
        device_class=SensorDeviceClass.AQI,
        state_class=SensorStateClass.MEASUREMENT,
        value_fn=lambda settings, status, measurements, history: int(
            history.get(
                f'Outdoor {"AQI(US)" if settings["is_aqi_usa"] else "AQI(CN)"}', -1
            )
        ),
        translation_key="outdoor_air_quality_index",
    ),
    AirVisualProMeasurementDescription(
        key="battery_level",
        device_class=SensorDeviceClass.BATTERY,
        entity_category=EntityCategory.DIAGNOSTIC,
        native_unit_of_measurement=PERCENTAGE,
        state_class=SensorStateClass.MEASUREMENT,
        value_fn=lambda settings, status, measurements, history: status["battery"],
    ),
    AirVisualProMeasurementDescription(
        key="carbon_dioxide",
        device_class=SensorDeviceClass.CO2,
        native_unit_of_measurement=CONCENTRATION_PARTS_PER_MILLION,
        state_class=SensorStateClass.MEASUREMENT,
        value_fn=lambda settings, status, measurements, history: measurements["co2"],
    ),
    AirVisualProMeasurementDescription(
        key="humidity",
        device_class=SensorDeviceClass.HUMIDITY,
        native_unit_of_measurement=PERCENTAGE,
        state_class=SensorStateClass.MEASUREMENT,
        value_fn=lambda settings, status, measurements, history: measurements[
            "humidity"
        ],
    ),
    AirVisualProMeasurementDescription(
        key="particulate_matter_0_1",
        translation_key="pm01",
        native_unit_of_measurement=CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
        state_class=SensorStateClass.MEASUREMENT,
        value_fn=lambda settings, status, measurements, history: measurements["pm0_1"],
    ),
    AirVisualProMeasurementDescription(
        key="particulate_matter_1_0",
        device_class=SensorDeviceClass.PM1,
        native_unit_of_measurement=CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
        state_class=SensorStateClass.MEASUREMENT,
        value_fn=lambda settings, status, measurements, history: measurements["pm1_0"],
    ),
    AirVisualProMeasurementDescription(
        key="particulate_matter_2_5",
        device_class=SensorDeviceClass.PM25,
        native_unit_of_measurement=CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
        state_class=SensorStateClass.MEASUREMENT,
        value_fn=lambda settings, status, measurements, history: measurements["pm2_5"],
    ),
    AirVisualProMeasurementDescription(
        key="temperature",
        device_class=SensorDeviceClass.TEMPERATURE,
        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
        state_class=SensorStateClass.MEASUREMENT,
        value_fn=lambda settings, status, measurements, history: measurements[
            "temperature_C"
        ],
    ),
    AirVisualProMeasurementDescription(
        key="voc",
        device_class=SensorDeviceClass.VOLATILE_ORGANIC_COMPOUNDS,
        native_unit_of_measurement=CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
        state_class=SensorStateClass.MEASUREMENT,
        value_fn=lambda settings, status, measurements, history: measurements["voc"],
    ),
)
 
 
@callback
def async_get_aqi_locale(settings: dict[str, Any]) -> str:
    """Return the correct AQI locale based on settings data."""
    if settings["is_aqi_usa"]:
        return "aqi_us"
    return "aqi_cn"
 
 
async def async_setup_entry(
    hass: HomeAssistant,
    entry: AirVisualProConfigEntry,
    async_add_entities: AddEntitiesCallback,
) -> None:
    """Set up AirVisual sensors based on a config entry."""
    async_add_entities(
        AirVisualProSensor(entry.runtime_data.coordinator, description)
        for description in SENSOR_DESCRIPTIONS
    )
 
 
class AirVisualProSensor(AirVisualProEntity, SensorEntity):
    """Define an AirVisual Pro sensor."""
 
    _attr_has_entity_name = True
 
    entity_description: AirVisualProMeasurementDescription
 
    @property
    def native_value(self) -> float | int:
        """Return the sensor value."""
        return self.entity_descriptionentity_description.value_fn(
            self.coordinator.data["settings"],
            self.coordinator.data["status"],
            self.coordinator.data["measurements"],
            self.coordinator.data["history"],
        )