Add devolo binary sensor device class mapping (#37350)

* add device class mapping for binary sensors

* change if else statement to or

homeassistant/components/devolo_home_control/binary_sensor.py

@@ -1,7 +1,14 @@
 """Platform for binary sensor integration."""
 import logging
 
-from homeassistant.components.binary_sensor import BinarySensorEntity
+from homeassistant.components.binary_sensor import (
+    DEVICE_CLASS_DOOR,
+    DEVICE_CLASS_HEAT,
+    DEVICE_CLASS_MOISTURE,
+    DEVICE_CLASS_MOTION,
+    DEVICE_CLASS_SMOKE,
+    BinarySensorEntity,
+)
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.helpers.typing import HomeAssistantType
 
@@ -10,6 +17,14 @@ from .devolo_device import DevoloDeviceEntity
 
 _LOGGER = logging.getLogger(__name__)
 
+DEVICE_CLASS_MAPPING = {
+    "Water alarm": DEVICE_CLASS_MOISTURE,
+    "Home Security": DEVICE_CLASS_MOTION,
+    "Smoke Alarm": DEVICE_CLASS_SMOKE,
+    "Heat Alarm": DEVICE_CLASS_HEAT,
+    "door": DEVICE_CLASS_DOOR,
+}
+
 
 async def async_setup_entry(
     hass: HomeAssistantType, entry: ConfigEntry, async_add_entities
@@ -52,6 +67,11 @@ class DevoloBinaryDeviceEntity(DevoloDeviceEntity, BinarySensorEntity):
             self._unique_id
         )
 
+        self._device_class = DEVICE_CLASS_MAPPING.get(
+            self._binary_sensor_property.sub_type
+            or self._binary_sensor_property.sensor_type
+        )
+
         self._state = self._binary_sensor_property.state
 
         self._subscriber = None
@@ -61,6 +81,11 @@ class DevoloBinaryDeviceEntity(DevoloDeviceEntity, BinarySensorEntity):
         """Return the state."""
         return self._state
 
+    @property
+    def device_class(self):
+        """Return device class."""
+        return self._device_class
+
     def _sync(self, message=None):
         """Update the binary sensor state."""
         if message[0].startswith("devolo.BinarySensor"):