Fix issue iMicknl#14

custom_components/sagemcom_fast/coordinator.py

@@ -54,3 +54,8 @@ async def _async_update_data(self) -> dict[str, Device]:
                 return self.hosts
         except Exception as exception:
             raise UpdateFailed(f"Error communicating with API: {exception}")
+
+    @property
+    def signal_device_new(self) -> str:
+        """Event specific per Sagemcom F@st entry to signal new device."""
+        return f"{DOMAIN}-device-new-{self._id}"

custom_components/sagemcom_fast/device_tracker.py

@@ -13,7 +13,7 @@
 from sagemcom_api.models import Device
 
 from . import HomeAssistantSagemcomFastData
-from .const import DOMAIN
+from .const import LOGGER, DOMAIN
 from .coordinator import SagemcomDataUpdateCoordinator
 
 
@@ -23,13 +23,26 @@ async def async_setup_entry(
     async_add_entities: AddEntitiesCallback,
 ) -> None:
     """Set up device tracker from config entry."""
+
+    LOGGER.debug("Starting Sagemcom F@st device tracker")
     data: HomeAssistantSagemcomFastData = hass.data[DOMAIN][entry.entry_id]
 
-    async_add_entities(
-        SagemcomScannerEntity(data.coordinator, idx, entry.entry_id)
-        for idx, device in data.coordinator.data.items()
+    @callback
+    def async_update_router() -> None:
+        """Update the values of the router."""
+        async_add_entities(
+            SagemcomScannerEntity(data.coordinator, idx, entry.entry_id)
+            for idx, device in data.coordinator.data.items()
+        )
+
+    entry.async_on_unload(
+        async_dispatcher_connect(
+            hass, data.coordinator.signal_device_new, async_update_router
+        )
     )
 
+    async_update_router()
+
 
 class SagemcomScannerEntity(
     ScannerEntity, RestoreEntity, CoordinatorEntity[SagemcomDataUpdateCoordinator]