feat: expose hide_from_toc field for course blocks in outline API (#33955)

These changes are part of the effort made to implement https://openedx.atlassian.net/wiki/spaces/OEPM/pages/3853975595/Feature+Enhancement+Proposal+Hide+Sections+from+course+outline

lms/djangoapps/course_api/blocks/serializers.py

@@ -57,6 +57,7 @@ SUPPORTED_FIELDS = [
     SupportedFieldType('has_scheduled_content'),
     SupportedFieldType('weight'),
     SupportedFieldType('show_correctness'),
+    SupportedFieldType('hide_from_toc'),
     # 'student_view_data'
     SupportedFieldType(StudentViewTransformer.STUDENT_VIEW_DATA, StudentViewTransformer),
     # 'student_view_multi_device'

lms/djangoapps/course_home_api/outline/serializers.py

@@ -54,6 +54,7 @@ class CourseBlockSerializer(serializers.Serializer):
                 'resume_block': block.get('resume_block', False),
                 'type': block_type,
                 'has_scheduled_content': block.get('has_scheduled_content'),
+                'hide_from_toc': block.get('hide_from_toc'),
             },
         }
         for child in children:

lms/djangoapps/course_home_api/outline/tests/test_view.py

@@ -404,6 +404,16 @@ class OutlineTabTestViews(BaseCourseHomeTests):
         assert response.status_code == 200
         assert response.data['user_has_passing_grade'] is True
 
+    def test_hide_from_toc_field(self):
+        """
+        Test that the hide_from_toc field is returned in the response.
+        """
+        CourseEnrollment.enroll(self.user, self.course.id)
+        response = self.client.get(self.url)
+        assert response.status_code == 200
+        for block in response.data["course_blocks"]["blocks"].values():
+            assert "hide_from_toc" in block
+
     def assert_can_enroll(self, can_enroll):
         response = self.client.get(self.url)
         assert response.status_code == 200

openedx/features/course_experience/utils.py

@@ -115,6 +115,7 @@ def get_course_outline_block_tree(request, course_id, user=None, allow_start_dat
             'completion',
             'complete',
             'resume_block',
+            'hide_from_toc',
         ],
         allow_start_dates_in_future=allow_start_dates_in_future,
     )