sorting added for videos

apps/video/views.py

@@ -164,6 +164,21 @@ class VideoPlaylistListAPIView(generics.ListAPIView):
             
             # Filter playlists by these IDs
             queryset = queryset.filter(id__in=bookmarked_ids)
+        sort = self.request.query_params.get('sort', '-created_at')
+        allowed_sorts = [
+            'created_at', '-created_at', 'view_count', '-view_count',
+            'title', '-title','order' , 'order',
+            'total_time', '-total_time','-created_at','created_at'
+        ]
+
+        if sort in allowed_sorts:
+            # Handle multiple sort fields (e.g., '-pin,-created_at')
+            if ',' in sort:
+                queryset = queryset.order_by(*sort.split(','))
+            else:
+                queryset = queryset.order_by(sort)
+        else:
+            queryset = queryset.order_by('-created_at')
             
         return queryset