Use enum device class in Dexcom (#112423)

Co-authored-by: Franck Nijhof <frenck@frenck.nl>

homeassistant/components/dexcom/sensor.py

@@ -2,7 +2,9 @@
 
 from __future__ import annotations
 
-from homeassistant.components.sensor import SensorEntity
+from pydexcom import GlucoseReading
+
+from homeassistant.components.sensor import SensorDeviceClass, SensorEntity
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import CONF_UNIT_OF_MEASUREMENT, CONF_USERNAME
 from homeassistant.core import HomeAssistant
@@ -13,7 +15,17 @@ from homeassistant.helpers.update_coordinator import (
     DataUpdateCoordinator,
 )
 
-from .const import DOMAIN, GLUCOSE_TREND_ICON, MG_DL
+from .const import DOMAIN, MG_DL
+
+TRENDS = {
+    1: "rising_quickly",
+    2: "rising",
+    3: "rising_slightly",
+    4: "steady",
+    5: "falling_slightly",
+    6: "falling",
+    7: "falling_quickly",
+}
 
 
 async def async_setup_entry(
@@ -35,13 +47,19 @@ async def async_setup_entry(
     )
 
 
-class DexcomSensorEntity(CoordinatorEntity, SensorEntity):
+class DexcomSensorEntity(
+    CoordinatorEntity[DataUpdateCoordinator[GlucoseReading]], SensorEntity
+):
     """Base Dexcom sensor entity."""
 
     _attr_has_entity_name = True
 
     def __init__(
-        self, coordinator: DataUpdateCoordinator, username: str, entry_id: str, key: str
+        self,
+        coordinator: DataUpdateCoordinator[GlucoseReading],
+        username: str,
+        entry_id: str,
+        key: str,
     ) -> None:
         """Initialize the sensor."""
         super().__init__(coordinator)
@@ -81,6 +99,8 @@ 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
@@ -89,15 +109,15 @@ class DexcomGlucoseTrendSensor(DexcomSensorEntity):
         super().__init__(coordinator, username, entry_id, "trend")
 
     @property
-    def icon(self):
-        """Return the icon for the frontend."""
-        if self.coordinator.data:
-            return GLUCOSE_TREND_ICON[self.coordinator.data.trend]
-        return GLUCOSE_TREND_ICON[0]
-
-    @property
-    def native_value(self):
+    def native_value(self) -> str | None:
         """Return the state of the sensor."""
         if self.coordinator.data:
-            return self.coordinator.data.trend_description
+            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
+        )