fix: certificates_enabled flag now correctly returns its boolean value

Author: dwong2708

cms/djangoapps/contentstore/api/tests/test_validation.py

@@ -103,7 +103,7 @@ def test_staff_succeeds(self):
                 'has_update': True,
             },
             'certificates': {
-                'is_enabled': True,
+                'is_enabled': False,
                 'is_activated': False,
                 'has_certificate': False,
             },

cms/djangoapps/contentstore/api/views/course_validation.py

@@ -217,7 +217,7 @@ def _grades_validation(self, course):
 
     def _certificates_validation(self, course):
         is_activated, certificates = CertificateManager.is_activated(course)
-        certificates_enabled = certificates is not None
+        certificates_enabled = CertificateManager.is_enabled(course)
         return dict(
             is_activated=is_activated,
             has_certificate=certificates_enabled and len(certificates) > 0,

cms/djangoapps/contentstore/utils.py

@@ -2124,11 +2124,7 @@ def get_certificates_context(course, user):
         handler_name='certificate_activation_handler',
         course_key=course_key
     )
-    course_modes = [
-        mode.slug for mode in CourseMode.modes_for_course(
-            course_id=course_key, include_expired=True
-        ) if mode.slug != 'audit'
-    ]
+    course_modes = CertificateManager.get_course_modes(course)
 
     has_certificate_modes = len(course_modes) > 0
 

cms/djangoapps/contentstore/views/certificates.py

@@ -34,6 +34,7 @@
 from django.utils.translation import gettext as _
 from django.views.decorators.csrf import ensure_csrf_cookie
 from django.views.decorators.http import require_http_methods
+from common.djangoapps.course_modes.models import CourseMode
 from eventtracking import tracker
 from opaque_keys import InvalidKeyError
 from opaque_keys.edx.keys import AssetKey, CourseKey
@@ -271,6 +272,28 @@ def get_certificates(course, only_active=False):
             certificates = [certificate for certificate in certificates if certificate.get('is_active', False)]
         return certificates
 
+    @staticmethod
+    def get_course_modes(course):
+        """
+        Retrieve certificate modes for the given course,
+        including expired modes but excluding audit mode.
+        """
+        course_modes = [
+            mode.slug for mode in CourseMode.modes_for_course(
+                course=course, include_expired=True
+            ) if mode.slug != CourseMode.AUDIT
+        ]
+        return course_modes
+
+    @staticmethod
+    def is_enabled(course):
+        """
+        Is enabled when there is at least one course mode for the given course,
+        including expired modes but excluding audit mode
+        """
+        course_modes = CertificateManager.get_course_modes(course)
+        return len(course_modes) > 0
+
     @staticmethod
     def remove_certificate(request, store, course, certificate_id):
         """