LIL-175. Optimize CourseViewSet queryset

8 years ago · 301dee671a
parent 4396fdfefd
commit 301dee671a
1 changed files with 5 additions and 1 deletions
--- a/api/v1/views.py
+++ b/api/v1/views.py
@ -7,6 +7,10 @@ from apps.course.models import Course


 class CourseViewSet(ExtendedModelViewSet):
-    queryset = Course.objects.all()
+    queryset = Course.objects.select_related(
+        'author', 'category'
+    ).prefetch_related(
+        'likes', 'materials'
+    ).all()
    serializer_class = CourseSerializer
    filter_fields = ('category',)