Update central_unit.py

src/switchbee/api/central_unit.py

@@ -70,7 +70,7 @@ def _initialize(self, version) -> None:
             self.minor = int(match.group(2))
             self.revision = int(match.group(3))
             self.build = int(match.group(4))
-    
+
     def __repr__(self) -> str:
         return f"{self.major}.{self.minor}.{self.revision}.{self.build}"
 
@@ -89,6 +89,7 @@ def __init__(
         self._aiohttp_session: ClientSession = aiohttp_session
 
         self._mac: str | None = None
+        self._unique_id: str | None = None
         self._version: CUVersion | None = None
         self._name: str | None = None
         self._last_conf_change: int = 0
@@ -121,6 +122,10 @@ def version(self) -> CUVersion | None:
     def mac(self) -> str | None:
         return self._mac
 
+    @property
+    def unique_id(self) -> str | None:
+        return self._unique_id
+
     @property
     def devices(
         self,
@@ -236,7 +241,11 @@ async def fetch_configuration(
         self._name = data[ApiAttribute.DATA][ApiAttribute.NAME]
         self._version = CUVersion(data[ApiAttribute.DATA][ApiAttribute.VERSION])
         self._mac = data[ApiAttribute.DATA][ApiAttribute.MAC]
-
+        self._unique_id = (
+            self._mac
+            if ApiAttribute.CU_CODE not in data[ApiAttribute.DATA]
+            else data[ApiAttribute.DATA][ApiAttribute.CU_CODE]
+        )
         if include is None:
             return