feat: Add moderation features and voting system.

MusicBot/database/extensions.py

@@ -142,6 +142,23 @@ class VoiceGuildsDatabase(BaseGuildsDatabase):
         return track
     
     def set_current_track(self, gid: int, track: Track | dict[str, Any]) -> None:
+        """Set current track.
+
+        Args:
+            gid (int): Guild id.
+            track (Track | dict[str, Any]): Track or dictionary covertable to yandex_music.Track.
+        """
         if isinstance(track, Track):
             track = track.to_dict()
-        self.update(gid, {'current_track': track})
+        self.update(gid, {'current_track': track})
+    
+    def get_current_player(self, gid: int) -> int | None:
+        """Get current player.
+        
+        Args:
+            gid (int): Guild id.
+        
+        Returns: int | None: Player message id or None if not present.
+        """
+        guild = self.get_guild(gid)
+        return guild['current_player']