fix: add some changes related to sanity check

course_discovery/apps/course_metadata/managers.py

@@ -9,12 +9,12 @@ class DraftManager(models.Manager):
     """ Model manager that hides draft rows unless you ask for them. """
 
     def get_queryset(self, allow_restricted=False):
-        if allow_restricted:
+        if allow_restricted or self.model.__name__ != 'CourseRun':
             return super().get_queryset().filter(draft=models.Value(0))
         return super().get_queryset().filter(draft=models.Value(0), restricted_run__isnull=True)
 
     def _with_drafts(self, allow_restricted=False):
-        if allow_restricted:
+        if allow_restricted or self.model.__name__ != 'CourseRun':
             return super().get_queryset()
         return super().get_queryset().filter(restricted_run__isnull=True)
 
@@ -23,8 +23,8 @@ def filter_drafts(self, allow_restricted=False, **kwargs):
         Acts like filter(), but prefers draft versions.
         If a draft is not available, we give back the non-draft version.
         """
-        if allow_restricted:
-            return self._with_drafts(allow_restricted=allow_restricted).filter(Q(draft=models.Value(1)) | Q(draft_version=None)).filter(**kwargs) 
+        if allow_restricted and self.model.__name__ =='CourseRun':
+            return self._with_drafts(allow_restricted=allow_restricted).filter(Q(draft=models.Value(1)) | Q(draft_version=None)).filter(**kwargs)
         return self._with_drafts().filter(Q(draft=models.Value(1)) | Q(draft_version=None)).filter(**kwargs)
 
     def get_draft(self, **kwargs):