core/homeassistant/components/dexcom/sensor.py

122 lines
3.5 KiB
Python

"""Support for Dexcom sensors."""
from __future__ import annotations
from pydexcom import GlucoseReading
from homeassistant.components.sensor import SensorDeviceClass, SensorEntity
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import CONF_USERNAME, UnitOfBloodGlucoseConcentration
from homeassistant.core import HomeAssistant
from homeassistant.helpers.device_registry import DeviceInfo
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.update_coordinator import (
CoordinatorEntity,
DataUpdateCoordinator,
)
from .const import DOMAIN
TRENDS = {
1: "rising_quickly",
2: "rising",
3: "rising_slightly",
4: "steady",
5: "falling_slightly",
6: "falling",
7: "falling_quickly",
}
async def async_setup_entry(
hass: HomeAssistant,
config_entry: ConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Set up the Dexcom sensors."""
coordinator = hass.data[DOMAIN][config_entry.entry_id]
username = config_entry.data[CONF_USERNAME]
async_add_entities(
[
DexcomGlucoseTrendSensor(coordinator, username, config_entry.entry_id),
DexcomGlucoseValueSensor(coordinator, username, config_entry.entry_id),
],
)
class DexcomSensorEntity(
CoordinatorEntity[DataUpdateCoordinator[GlucoseReading]], SensorEntity
):
"""Base Dexcom sensor entity."""
_attr_has_entity_name = True
def __init__(
self,
coordinator: DataUpdateCoordinator[GlucoseReading],
username: str,
entry_id: str,
key: str,
) -> None:
"""Initialize the sensor."""
super().__init__(coordinator)
self._attr_unique_id = f"{username}-{key}"
self._attr_device_info = DeviceInfo(
identifiers={(DOMAIN, entry_id)},
name=username,
)
class DexcomGlucoseValueSensor(DexcomSensorEntity):
"""Representation of a Dexcom glucose value sensor."""
_attr_device_class = SensorDeviceClass.BLOOD_GLUCOSE_CONCENTRATION
_attr_native_unit_of_measurement = (
UnitOfBloodGlucoseConcentration.MILLIGRAMS_PER_DECILITER
)
_attr_translation_key = "glucose_value"
def __init__(
self,
coordinator: DataUpdateCoordinator,
username: str,
entry_id: str,
) -> None:
"""Initialize the sensor."""
super().__init__(coordinator, username, entry_id, "value")
@property
def native_value(self):
"""Return the state of the sensor."""
if self.coordinator.data:
return self.coordinator.data.mg_dl
return None
class DexcomGlucoseTrendSensor(DexcomSensorEntity):
"""Representation of a Dexcom glucose trend sensor."""
_attr_translation_key = "glucose_trend"
_attr_device_class = SensorDeviceClass.ENUM
_attr_options = list(TRENDS.values())
def __init__(
self, coordinator: DataUpdateCoordinator, username: str, entry_id: str
) -> None:
"""Initialize the sensor."""
super().__init__(coordinator, username, entry_id, "trend")
@property
def native_value(self) -> str | None:
"""Return the state of the sensor."""
if self.coordinator.data:
return TRENDS.get(self.coordinator.data.trend)
return None
@property
def available(self) -> bool:
"""Return if entity is available."""
return super().available and (
self.coordinator.data is None or self.coordinator.data.trend != 9
)