some tests

audio-service/src/metadata_manager.py

@@ -10,6 +10,7 @@ class MetaDataManager:
             cls._instance.init()
         return cls._instance
     def init(self):
+        self.socket = None
         # read metadata file from executing directory
         self.metadata_file = os.path.join(os.getcwd(), "metadata.json")
         if os.path.exists(self.metadata_file):
@@ -93,6 +94,8 @@ class MetaDataManager:
             raise ValueError("New order contains clips that do not exist in the collection.")
         
         collection["clips"] = new_order
+        if not self.socket is None:
+            self.socket.emit('collection_updated', {'collection': collection})
         self.save_metadata()
     
     def save_metadata(self):