fix: wrap sequence metadata view in bulk actions contextmanager (#36854)

* fix: wrap sequence metadata view in bulk actions contextmanager

* style: line too long

Author: jansenk

openedx/core/djangoapps/courseware_api/views.py

@@ -605,25 +605,28 @@ def get(self, request, usage_key_string, *args, **kwargs):  # lint-amnesty, pyli
         ) if is_preview and staff_access else (
             ModuleStoreEnum.Branch.published_only
         )
-
-        with modulestore().branch_setting(branch_type, usage_key.course_key):
-            sequence, _ = get_block_by_usage_id(
-                self.request,
-                str(usage_key.course_key),
-                str(usage_key),
-                disable_staff_debug_info=True,
-                will_recheck_access=True)
-
-            if not hasattr(sequence, 'get_metadata'):
-                # Looks like we were asked for metadata on something that is not a sequence (or section).
-                return Response(status=status.HTTP_422_UNPROCESSABLE_ENTITY)
-
-            view = STUDENT_VIEW
-            if request.user.is_anonymous:
-                view = PUBLIC_VIEW
-
-            context = {'specific_masquerade': is_masquerading_as_specific_student(request.user, usage_key.course_key)}
-            return Response(sequence.get_metadata(view=view, context=context))
+        _modulestore = modulestore()
+        with _modulestore.branch_setting(branch_type, usage_key.course_key):
+            with _modulestore.bulk_operations(usage_key.course_key):
+                sequence, _ = get_block_by_usage_id(
+                    self.request,
+                    str(usage_key.course_key),
+                    str(usage_key),
+                    disable_staff_debug_info=True,
+                    will_recheck_access=True)
+
+                if not hasattr(sequence, 'get_metadata'):
+                    # Looks like we were asked for metadata on something that is not a sequence (or section).
+                    return Response(status=status.HTTP_422_UNPROCESSABLE_ENTITY)
+
+                view = STUDENT_VIEW
+                if request.user.is_anonymous:
+                    view = PUBLIC_VIEW
+
+                context = {
+                    'specific_masquerade': is_masquerading_as_specific_student(request.user, usage_key.course_key)
+                }
+                return Response(sequence.get_metadata(view=view, context=context))
 
 
 class Resume(DeveloperErrorViewMixin, APIView):