video filters are fixed.

apps/video/views.py

@@ -335,12 +335,12 @@ class VideoListAPIView(generics.ListAPIView):
         # Filter by category if provided
         category_slug = self.request.query_params.get('category', None)
         if category_slug:
-            queryset = queryset.filter(categories__slug=category_slug)
+            queryset = queryset.filter(playlist_appearances__playlist__categories__slug=category_slug)
         
         # Filter by collection if provided
         collection_slug = self.request.query_params.get('collection', None)
         if collection_slug:
-            queryset = queryset.filter(collections__slug=collection_slug)
+            queryset = queryset.filter(playlist_appearances__playlist__collections__slug=collection_slug)
 
         is_bookmark = self.request.query_params.get('is_bookmark', '').lower()
         if is_bookmark == 'true':
@@ -372,7 +372,7 @@ class VideoListAPIView(generics.ListAPIView):
         else:
             queryset = queryset.order_by('-created_at')
             
-        return queryset
+        return queryset.distinct()
 
 
 class VideoPlaylistDetailAPIView(generics.RetrieveAPIView):