feat: disable allowed enrollment if enrollment closed

openedx/core/djangoapps/content/course_overviews/models.py

@@ -534,6 +534,12 @@ class CourseOverview(TimeStampedModel):
         """
         return course_metadata_utils.has_course_ended(self.end)
 
+    def is_enrollment_open(self):
+        """
+        Returns True if course enrollment is open
+        """
+        return course_metadata_utils.is_enrollment_open(self.enrollment_start, self.enrollment_end)
+
     def has_marketing_url(self):
         """
         Returns whether the course has marketing url.

openedx/core/djangoapps/content/course_overviews/tests/test_course_overviews.py

@@ -141,6 +141,7 @@ class CourseOverviewTestCase(CatalogIntegrationMixin, ModuleStoreTestCase, Cache
             ('clean_id', ('#',)),
             ('has_ended', ()),
             ('has_started', ()),
+            ('is_enrollment_open', ()),
         ]
         for method_name, method_args in methods_to_test:
             course_value = getattr(course, method_name)(*method_args)