updated player sync

app/app.py

@@ -375,7 +375,43 @@ def player_page(player_id):
         player_name=player.username
     ).order_by(PlayerFeedback.timestamp.desc()).limit(5).all()
     
-    return render_template('player_page.html', player=player, content=content, player_feedback=player_feedback)
+    # Get server playlist version for this player
+    server_playlist_version = get_server_playlist_version(player)
+    
+    return render_template('player_page.html', 
+                         player=player, 
+                         content=content, 
+                         player_feedback=player_feedback,
+                         server_playlist_version=server_playlist_version)
+
+def get_server_playlist_version(player):
+    """Get the current server playlist version for a specific player"""
+    # Check if player is locked to a group
+    if player.locked_to_group_id:
+        # Get content for all players in the group to ensure shared content
+        group_players = player.locked_to_group.players
+        player_ids = [p.id for p in group_players]
+        
+        # Use the first occurrence of each file for the playlist
+        content_query = (
+            db.session.query(
+                Content.file_name, 
+                db.func.min(Content.id).label('id'),
+                db.func.min(Content.duration).label('duration')
+            )
+            .filter(Content.player_id.in_(player_ids))
+            .group_by(Content.file_name)
+        )
+        
+        content = db.session.query(Content).filter(
+            Content.id.in_([c.id for c in content_query])
+        ).all()
+    else:
+        # Get player's individual content
+        content = Content.query.filter_by(player_id=player.id).all()
+    
+    # Return the current playlist version for this player
+    return player.playlist_version
 
 @app.route('/player/<int:player_id>/upload', methods=['POST'])
 @login_required