Prepare support for weather warning

custom_components/irm_kmi/binary_sensor.py

@@ -0,0 +1,48 @@
+"""Sensor to signal weather warning from the IRM KMI"""
+
+import logging
+
+from homeassistant.components import binary_sensor
+from homeassistant.components.binary_sensor import BinarySensorEntity, BinarySensorDeviceClass
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.device_registry import DeviceInfo, DeviceEntryType
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+from homeassistant.helpers.update_coordinator import CoordinatorEntity
+
+from custom_components.irm_kmi import IrmKmiCoordinator, DOMAIN
+
+_LOGGER = logging.getLogger(__name__)
+
+
+async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback):
+    """Set up the binary platform"""
+    coordinator = hass.data[DOMAIN][entry.entry_id]
+    async_add_entities([IrmKmiWarning(coordinator, entry)])
+
+
+class IrmKmiWarning(CoordinatorEntity, BinarySensorEntity):
+    """Representation of a weather warning binary sensor"""
+
+    def __init__(self,
+                 coordinator: IrmKmiCoordinator,
+                 entry: ConfigEntry
+                 ) -> None:
+        _LOGGER.info(f"{entry.entry_id}, {entry.title}")
+        super().__init__(coordinator)
+        BinarySensorEntity.__init__(self)
+        self._attr_device_class = BinarySensorDeviceClass.SAFETY
+        self._attr_unique_id = entry.entry_id
+        self.entity_id = binary_sensor.ENTITY_ID_FORMAT.format(f"weather_warning_{str(entry.title).lower()}")
+        self._attr_name = f"Warning {entry.title}"
+        self._attr_device_info = DeviceInfo(
+            entry_type=DeviceEntryType.SERVICE,
+            identifiers={(DOMAIN, entry.entry_id)},
+            manufacturer="IRM KMI",
+            name=f"Warning {entry.title}"
+        )
+
+    @property
+    def is_on(self) -> bool | None:
+        # TODO return a real value but first, change implementation of coordinator to expose the data
+        return True

custom_components/irm_kmi/const.py

@@ -15,7 +15,7 @@ from homeassistant.components.weather import (ATTR_CONDITION_CLEAR_NIGHT,
 from homeassistant.const import Platform
 
 DOMAIN: Final = 'irm_kmi'
-PLATFORMS: Final = [Platform.WEATHER, Platform.CAMERA]
+PLATFORMS: Final = [Platform.WEATHER, Platform.CAMERA, Platform.BINARY_SENSOR]
 CONFIG_FLOW_VERSION = 3
 
 OUT_OF_BENELUX: Final = ["außerhalb der Benelux (Brussels)",

custom_components/irm_kmi/coordinator.py

@@ -39,7 +39,7 @@ class IrmKmiCoordinator(DataUpdateCoordinator):
             # Name of the data. For logging purposes.
             name="IRM KMI weather",
             # Polling interval. Will only be polled if there are subscribers.
-            update_interval=timedelta(seconds=15),
+            update_interval=timedelta(minutes=7),
         )
         self._api_client = IrmKmiApiClient(session=async_get_clientsession(hass))
         self._zone = get_config_value(entry, CONF_ZONE)