101 lines
3.1 KiB
Python
101 lines
3.1 KiB
Python
"""Sensor support for Melnor Bluetooth water timer."""
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from __future__ import annotations
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from collections.abc import Callable
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from dataclasses import dataclass
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from typing import Any
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from melnor_bluetooth.device import Device
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from homeassistant.components.sensor import (
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SensorDeviceClass,
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SensorEntity,
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SensorEntityDescription,
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SensorStateClass,
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)
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.const import PERCENTAGE, SIGNAL_STRENGTH_DECIBELS_MILLIWATT
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from homeassistant.core import HomeAssistant
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from homeassistant.helpers.entity import EntityCategory
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from homeassistant.helpers.typing import StateType
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from .const import DOMAIN
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from .models import MelnorBluetoothBaseEntity, MelnorDataUpdateCoordinator
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@dataclass
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class MelnorSensorEntityDescriptionMixin:
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"""Mixin for required keys."""
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state_fn: Callable[[Device], Any]
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@dataclass
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class MelnorSensorEntityDescription(
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SensorEntityDescription, MelnorSensorEntityDescriptionMixin
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):
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"""Describes Melnor sensor entity."""
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async def async_setup_entry(
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hass: HomeAssistant,
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config_entry: ConfigEntry,
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async_add_devices: AddEntitiesCallback,
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) -> None:
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"""Set up the sensor platform."""
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coordinator: MelnorDataUpdateCoordinator = hass.data[DOMAIN][config_entry.entry_id]
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sensors: list[MelnorSensorEntityDescription] = [
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MelnorSensorEntityDescription(
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device_class=SensorDeviceClass.BATTERY,
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entity_category=EntityCategory.DIAGNOSTIC,
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key="battery",
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name="Battery",
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native_unit_of_measurement=PERCENTAGE,
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state_class=SensorStateClass.MEASUREMENT,
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state_fn=lambda device: device.battery_level,
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),
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MelnorSensorEntityDescription(
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device_class=SensorDeviceClass.SIGNAL_STRENGTH,
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entity_category=EntityCategory.DIAGNOSTIC,
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entity_registry_enabled_default=False,
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key="rssi",
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name="RSSI",
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native_unit_of_measurement=SIGNAL_STRENGTH_DECIBELS_MILLIWATT,
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state_class=SensorStateClass.MEASUREMENT,
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state_fn=lambda device: device.rssi,
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),
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]
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async_add_devices(
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MelnorSensorEntity(
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coordinator,
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description,
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)
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for description in sensors
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)
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class MelnorSensorEntity(MelnorBluetoothBaseEntity, SensorEntity):
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"""Representation of a Melnor sensor."""
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entity_description: MelnorSensorEntityDescription
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def __init__(
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self,
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coordinator: MelnorDataUpdateCoordinator,
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entity_description: MelnorSensorEntityDescription,
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) -> None:
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"""Initialize a sensor for a Melnor device."""
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super().__init__(coordinator)
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self._attr_unique_id = f"{self._device.mac}-{entity_description.key}"
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self.entity_description = entity_description
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@property
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def native_value(self) -> StateType:
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"""Return the battery level."""
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return self.entity_description.state_fn(self._device)
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