feat: Add load_playlist method to PlayerService and update task handlers for playlist management

app/services/player.py

@@ -429,6 +429,26 @@ class PlayerService:
 
         await self._broadcast_state()
 
+    async def load_playlist(self, playlist_id: int) -> None:
+        """Load a specific playlist by ID."""
+        session = self.db_session_factory()
+        try:
+            playlist_repo = PlaylistRepository(session)
+            playlist = await playlist_repo.get_by_id(playlist_id)
+            if playlist and playlist.id:
+                sounds = await playlist_repo.get_playlist_sounds(playlist.id)
+                await self._handle_playlist_reload(playlist, sounds)
+                logger.info(
+                    "Loaded playlist: %s (%s sounds)",
+                    playlist.name,
+                    len(sounds),
+                )
+            else:
+                logger.warning("Playlist not found: %s", playlist_id)
+        finally:
+            await session.close()
+        await self._broadcast_state()
+
     async def _handle_playlist_reload(
         self,
         current_playlist: Playlist,

app/services/task_handlers.py

@@ -1,6 +1,5 @@
 """Task execution handlers for different task types."""
 
-import uuid
 from typing import Any, Dict, Optional
 
 from sqlmodel.ext.asyncio.session import AsyncSession
@@ -66,8 +65,12 @@ class TaskHandlerRegistry:
 
         if user_id:
             # Recharge specific user
-            user_uuid = uuid.UUID(user_id) if isinstance(user_id, str) else user_id
-            stats = await self.credit_service.recharge_user_credits(user_uuid)
+            try:
+                user_id_int = int(user_id)
+            except (ValueError, TypeError) as e:
+                raise TaskExecutionError(f"Invalid user_id format: {user_id}") from e
+            
+            stats = await self.credit_service.recharge_user_credits(user_id_int)
             logger.info(f"Recharged credits for user {user_id}: {stats}")
         else:
             # Recharge all users (system task)
@@ -83,12 +86,13 @@ class TaskHandlerRegistry:
             raise TaskExecutionError("sound_id parameter is required for PLAY_SOUND tasks")
 
         try:
-            sound_uuid = uuid.UUID(sound_id) if isinstance(sound_id, str) else sound_id
+            # Handle both integer and string sound IDs
+            sound_id_int = int(sound_id)
         except (ValueError, TypeError) as e:
             raise TaskExecutionError(f"Invalid sound_id format: {sound_id}") from e
 
         # Get the sound from database
-        sound = await self.sound_repository.get_by_id(sound_uuid)
+        sound = await self.sound_repository.get_by_id(sound_id_int)
         if not sound:
             raise TaskExecutionError(f"Sound not found: {sound_id}")
 
@@ -111,17 +115,18 @@ class TaskHandlerRegistry:
             raise TaskExecutionError("playlist_id parameter is required for PLAY_PLAYLIST tasks")
 
         try:
-            playlist_uuid = uuid.UUID(playlist_id) if isinstance(playlist_id, str) else playlist_id
+            # Handle both integer and string playlist IDs
+            playlist_id_int = int(playlist_id)
         except (ValueError, TypeError) as e:
             raise TaskExecutionError(f"Invalid playlist_id format: {playlist_id}") from e
 
         # Get the playlist from database
-        playlist = await self.playlist_repository.get_by_id(playlist_uuid)
+        playlist = await self.playlist_repository.get_by_id(playlist_id_int)
         if not playlist:
             raise TaskExecutionError(f"Playlist not found: {playlist_id}")
 
         # Load playlist in player
-        await self.player_service.load_playlist(playlist_uuid)
+        await self.player_service.load_playlist(playlist_id_int)
 
         # Set play mode if specified
         if play_mode in ["continuous", "loop", "loop_one", "random", "single"]:
@@ -132,6 +137,6 @@ class TaskHandlerRegistry:
             self.player_service.set_shuffle(True)
 
         # Start playing
-        self.player_service.play()
+        await self.player_service.play()
 
         logger.info(f"Started playing playlist {playlist.name} via scheduled task")