fix: Provide a new data property on CoursewareMeta for proctoring exam access (#29929)

Co-authored-by: Simon Chen <schen@edX-C02FW0GUML85.local>

openedx/core/djangoapps/courseware_api/serializers.py

@@ -107,6 +107,7 @@ class CourseInfoSerializer(serializers.Serializer):  # pylint: disable=abstract-
     show_calculator = serializers.BooleanField()
     original_user_is_staff = serializers.BooleanField()
     can_view_legacy_courseware = serializers.BooleanField()
+    can_access_proctored_exams = serializers.BooleanField()
     is_staff = serializers.BooleanField()
     course_access = serializers.DictField()
     notes = serializers.DictField()

openedx/core/djangoapps/courseware_api/tests/test_views.py

@@ -416,6 +416,26 @@ class CourseApiTestViews(BaseCoursewareTests, MasqueradeMixin):
         assert 'user_needs_integrity_signature' in courseware_data
         assert courseware_data['user_needs_integrity_signature'] == needs_signature
 
+    @ddt.data(
+        ('audit', False),
+        ('honor', False),
+        ('verified', True),
+        ('masters', True),
+        ('professional', True),
+        ('no-id-professional', True),
+        ('executive-education', True),
+        ('credit', True),
+    )
+    @ddt.unpack
+    @mock.patch.dict('django.conf.settings.FEATURES', {'DISABLE_HONOR_CERTIFICATES': True})
+    def test_can_access_proctored_exams(self, mode, result):
+        CourseEnrollment.enroll(self.user, self.course.id, mode)
+        response = self.client.get(self.url)
+        assert response.status_code == 200
+        courseware_data = response.json()
+        assert 'can_access_proctored_exams' in courseware_data
+        assert courseware_data['can_access_proctored_exams'] == result
+
 
 @ddt.ddt
 class SequenceApiTestViews(MasqueradeMixin, BaseCoursewareTests):

openedx/core/djangoapps/courseware_api/views.py

@@ -389,6 +389,12 @@ class CoursewareMeta:
         user_timezone_locale = user_timezone_locale_prefs(self.request)
         return user_timezone_locale['user_timezone']
 
+    @property
+    def can_access_proctored_exams(self):
+        enrollment_mode = self.enrollment['mode']
+        enrollment_active = self.enrollment['is_active']
+        return enrollment_active and CourseMode.is_eligible_for_certificate(enrollment_mode)
+
 
 class CoursewareInformation(RetrieveAPIView):
     """