Refactor: Move nearest scanner entity_id as attribute of existing nearest scanner sensor

Author: Alex Shabala

custom_components/bermuda/sensor.py

@@ -60,7 +60,6 @@ def device_new(address: str, scanners: list[str]) -> None:
             entities.append(BermudaSensorRange(coordinator, entry, address))
             entities.append(BermudaSensorScanner(coordinator, entry, address))
             entities.append(BermudaSensorRssi(coordinator, entry, address))
-            entities.append(BermudaSensorScannerEntity(coordinator, entry, address))
 
             for scanner in scanners:
                 entities.append(BermudaSensorScannerRange(coordinator, entry, address, scanner))
@@ -176,6 +175,34 @@ def name(self):
     def native_value(self):
         return self._device.area_scanner
 
+    @property
+    def extra_state_attributes(self) -> Mapping[str, Any] | None:
+        attributes = super().extra_state_attributes or {}
+
+        scanner_mac = next(
+            (mac for mac in self._device.scanners if mac.upper() in self._device.area_scanner.upper()),
+            None,
+        )
+
+        if scanner_mac:
+            device = self.devreg.async_get_device({}, {(dr.CONNECTION_NETWORK_MAC, scanner_mac.lower())})
+            if device:
+                ent_reg = er.async_get(self.hass)
+                entities = [
+                    entry.entity_id
+                    for entry in ent_reg.entities.values()
+                    if entry.domain
+                    in [
+                        "light",
+                        "switch",
+                    ]  # Filter out devices unlikely to be bluetooth proxies
+                    and entry.device_id == device.id
+                ]
+                if entities:
+                    attributes["nearest_scanner_entity_id"] = entities[0]
+
+        return attributes
+
 
 class BermudaSensorRssi(BermudaSensor):
     """Sensor for RSSI of closest scanner."""
@@ -432,48 +459,3 @@ def native_value(self) -> int:
     def name(self):
         """Gets the name of the sensor."""
         return "Visible device count"
-
-
-class BermudaSensorScannerEntity(BermudaSensor):
-    """Sensor for entity ID of nearest detected scanner."""
-
-    @property
-    def unique_id(self):
-        return f"{self._device.unique_id}_scanner_entity"
-
-    @property
-    def name(self):
-        return "Nearest Scanner Entity"
-
-    @property
-    def native_value(self):
-        scanner_mac = next(
-            (mac for mac in self._device.scanners if mac.upper() in self._device.area_scanner.upper()), None
-        )
-
-        if scanner_mac:
-            device = self.devreg.async_get_device({}, {(dr.CONNECTION_NETWORK_MAC, scanner_mac.lower())})
-            if device:
-                # Get light/switch entity for this device
-                ent_reg = er.async_get(self.hass)
-                entities = [
-                    entry.entity_id
-                    for entry in ent_reg.entities.values()
-                    if entry.domain in ["light", "switch"]  # Filter out devices unlikely to be bluetooth proxies
-                    and entry.device_id == device.id
-                ]
-                if entities:
-                    return entities[0]
-        return None
-
-    @property
-    def extra_state_attributes(self) -> Mapping[str, Any] | None:
-        scanner_mac = next(
-            (mac for mac in self._device.scanners if mac.upper() in self._device.area_scanner.upper()), None
-        )
-
-        if scanner_mac:
-            device = self.devreg.async_get_device({}, {(dr.CONNECTION_NETWORK_MAC, scanner_mac.lower())})
-            if device:
-                return {"scanner_mac": scanner_mac, "device_name": device.name, "area_id": device.area_id}
-        return None