hass-core/homeassistant/components/pegel_online/sensor.py
2023-07-26 09:12:39 +02:00

89 lines
2.8 KiB
Python

"""PEGELONLINE sensor entities."""
from __future__ import annotations
from collections.abc import Callable
from dataclasses import dataclass
from homeassistant.components.sensor import (
SensorEntity,
SensorEntityDescription,
SensorStateClass,
)
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import ATTR_LATITUDE, ATTR_LONGITUDE
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from .const import DOMAIN
from .coordinator import PegelOnlineDataUpdateCoordinator
from .entity import PegelOnlineEntity
from .model import PegelOnlineData
@dataclass
class PegelOnlineRequiredKeysMixin:
"""Mixin for required keys."""
fn_native_unit: Callable[[PegelOnlineData], str]
fn_native_value: Callable[[PegelOnlineData], float]
@dataclass
class PegelOnlineSensorEntityDescription(
SensorEntityDescription, PegelOnlineRequiredKeysMixin
):
"""PEGELONLINE sensor entity description."""
SENSORS: tuple[PegelOnlineSensorEntityDescription, ...] = (
PegelOnlineSensorEntityDescription(
key="current_measurement",
translation_key="current_measurement",
state_class=SensorStateClass.MEASUREMENT,
fn_native_unit=lambda data: data["current_measurement"].uom,
fn_native_value=lambda data: data["current_measurement"].value,
icon="mdi:waves-arrow-up",
),
)
async def async_setup_entry(
hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
) -> None:
"""Set up the PEGELONLINE sensor."""
coordinator = hass.data[DOMAIN][entry.entry_id]
async_add_entities(
[PegelOnlineSensor(coordinator, description) for description in SENSORS]
)
class PegelOnlineSensor(PegelOnlineEntity, SensorEntity):
"""Representation of a PEGELONLINE sensor."""
entity_description: PegelOnlineSensorEntityDescription
def __init__(
self,
coordinator: PegelOnlineDataUpdateCoordinator,
description: PegelOnlineSensorEntityDescription,
) -> None:
"""Initialize a PEGELONLINE sensor."""
super().__init__(coordinator)
self.entity_description = description
self._attr_unique_id = f"{self.station.uuid}_{description.key}"
self._attr_native_unit_of_measurement = self.entity_description.fn_native_unit(
coordinator.data
)
if self.station.latitude and self.station.longitude:
self._attr_extra_state_attributes.update(
{
ATTR_LATITUDE: self.station.latitude,
ATTR_LONGITUDE: self.station.longitude,
}
)
@property
def native_value(self) -> float:
"""Return the state of the device."""
return self.entity_description.fn_native_value(self.coordinator.data)