feat: upgrade list_report_downloads api to DRF ( 13th ) (#35350)

* feat: upgrading simple api to drf compatible.

lms/djangoapps/instructor/views/api.py

@@ -2540,16 +2540,22 @@ class ReportDownloads(DeveloperErrorViewMixin, APIView):
         return _list_report_downloads(request=request, course_id=course_id)
 
 
-@require_POST
-@ensure_csrf_cookie
-def list_report_downloads(request, course_id):
+@method_decorator(cache_control(no_cache=True, no_store=True, must_revalidate=True), name='dispatch')
+class ListReportDownloads(APIView):
+
     """
     List grade CSV files that are available for download for this course.
 
     Takes the following query parameters:
     - (optional) report_name - name of the report
     """
-    return _list_report_downloads(request=request, course_id=course_id)
+    permission_classes = (IsAuthenticated, permissions.InstructorPermission)
+    permission_name = permissions.CAN_RESEARCH
+
+    @method_decorator(ensure_csrf_cookie)
+    def post(self, request, course_id):
+
+        return _list_report_downloads(request=request, course_id=course_id)
 
 
 @cache_control(no_cache=True, no_store=True, must_revalidate=True)

lms/djangoapps/instructor/views/api_urls.py

@@ -59,7 +59,7 @@ urlpatterns = [
     path('get_proctored_exam_results', api.get_proctored_exam_results, name='get_proctored_exam_results'),
 
     # Grade downloads...
-    path('list_report_downloads', api.list_report_downloads, name='list_report_downloads'),
+    path('list_report_downloads', api.ListReportDownloads.as_view(), name='list_report_downloads'),
     path('calculate_grades_csv', api.calculate_grades_csv, name='calculate_grades_csv'),
     path('problem_grade_report', api.problem_grade_report, name='problem_grade_report'),