feat!: Drop support for the legacy Certificates page.

The legacy Certificates page in Studio has been replaced with a new
view in the Authoring MFE. This change removes the now unused
JS/HTML/Python related to the old page.

This work is part of #36108

BREAKING CHANGE: The 'legacy_studio.certificates' waffle flag will no
longer be respected. The system will behave as if the flag is set to
false permanently.

Author: irfanuddinahmad

cms/djangoapps/contentstore/rest_api/v1/serializers/course_waffle_flags.py

@@ -177,8 +177,7 @@ def get_use_new_certificates_page(self, obj):
         """
         Method to get the use_new_certificates_page switch
         """
-        course_key = self.get_course_key()
-        return toggles.use_new_certificates_page(course_key)
+        return True
 
     def get_use_new_textbooks_page(self, obj):
         """

cms/djangoapps/contentstore/toggles.py

@@ -290,24 +290,6 @@ def use_new_course_team_page(course_key):
     return not LEGACY_STUDIO_COURSE_TEAM.is_enabled(course_key)
 
 
-# .. toggle_name: legacy_studio.certificates
-# .. toggle_implementation: WaffleFlag
-# .. toggle_default: False
-# .. toggle_description: Temporarily fall back to the old Studio Course Certificates page.
-# .. toggle_use_cases: temporary
-# .. toggle_creation_date: 2025-03-14
-# .. toggle_target_removal_date: 2025-09-14
-# .. toggle_tickets: https://github.com/openedx/edx-platform/issues/36275
-# .. toggle_warning: In Ulmo, this toggle will be removed. Only the new (React-based) experience will be available.
-LEGACY_STUDIO_CERTIFICATES = CourseWaffleFlag('legacy_studio.certificates', __name__)
-
-
-def use_new_certificates_page(course_key):
-    """
-    Returns a boolean if new studio certificates mfe is enabled
-    """
-    return not LEGACY_STUDIO_CERTIFICATES.is_enabled(course_key)
-
 
 # .. toggle_name: legacy_studio.configurations
 # .. toggle_implementation: WaffleFlag

cms/djangoapps/contentstore/utils.py

@@ -42,7 +42,6 @@
     libraries_v2_enabled,
     split_library_view_on_dashboard,
     use_new_advanced_settings_page,
-    use_new_certificates_page,
     use_new_course_team_page,
     use_new_export_page,
     use_new_group_configurations_page,
@@ -462,13 +461,10 @@ def get_certificates_url(course_locator) -> str:
     """
     Gets course authoring microfrontend URL for certificates page view.
     """
-    certificates_url = None
-    if use_new_certificates_page(course_locator):
-        mfe_base_url = get_course_authoring_url(course_locator)
-        course_mfe_url = f'{mfe_base_url}/course/{course_locator}/certificates'
-        if mfe_base_url:
-            certificates_url = course_mfe_url
-    return certificates_url
+    mfe_base_url = get_course_authoring_url(course_locator)
+    if mfe_base_url:
+        return f'{mfe_base_url}/course/{course_locator}/certificates'
+    return None
 
 
 def get_textbooks_url(course_locator) -> str:

cms/djangoapps/contentstore/views/certificates.py

@@ -41,16 +41,14 @@
 
 from cms.djangoapps.contentstore.views.permissions import HasStudioWriteAccess
 from cms.djangoapps.contentstore.views.serializers import CertificateActivationSerializer, CertificateSerializer
-from common.djangoapps.edxmako.shortcuts import render_to_response
 from common.djangoapps.student.auth import has_studio_write_access
 from common.djangoapps.student.roles import GlobalStaff
 from common.djangoapps.util.json_request import JsonResponse
 from openedx.core.lib.api.view_utils import DeveloperErrorViewMixin
 from xmodule.modulestore import EdxJSONEncoder  # pylint: disable=wrong-import-order
 from xmodule.modulestore.django import modulestore  # pylint: disable=wrong-import-order
 
-from ..toggles import use_new_certificates_page
-from ..utils import get_certificates_context, get_certificates_url, reverse_course_url
+from ..utils import get_certificates_url, reverse_course_url
 from .certificate_manager import CertificateManager, CertificateValidationError
 
 CERTIFICATE_MINIMUM_ID = 100
@@ -143,10 +141,7 @@ def certificates_list_handler(request, course_key_string):
             return JsonResponse({"error": msg}, status=403)
 
         if 'text/html' in request.META.get('HTTP_ACCEPT', 'text/html'):
-            if use_new_certificates_page(course_key):
-                return redirect(get_certificates_url(course_key))
-            certificates_context = get_certificates_context(course, request.user)
-            return render_to_response('certificates.html', certificates_context)
+            return redirect(get_certificates_url(course_key))
         elif "application/json" in request.META.get('HTTP_ACCEPT'):
             # Retrieve the list of certificates for the specified course
             if request.method == 'GET':

cms/djangoapps/contentstore/views/tests/test_certificates.py

@@ -5,15 +5,12 @@
 
 import itertools
 import json
-from unittest import mock
 
 import ddt
 from django.conf import settings
 from django.test.utils import override_settings
-from edx_toggles.toggles.testutils import override_waffle_flag
 from opaque_keys.edx.keys import AssetKey
 
-from cms.djangoapps.contentstore import toggles
 from cms.djangoapps.contentstore.tests.utils import CourseTestCase
 from cms.djangoapps.contentstore.utils import get_lms_link_for_certificate_web_view, reverse_course_url
 from common.djangoapps.course_modes.tests.factories import CourseModeFactory
@@ -277,11 +274,9 @@ def test_lms_link_for_certificate_web_view(self):
         )
         self.assertEqual(link, test_url)  # noqa: PT009
 
-    @override_waffle_flag(toggles.LEGACY_STUDIO_CERTIFICATES, True)
-    @mock.patch.dict('django.conf.settings.FEATURES', {'CERTIFICATES_HTML_VIEW': True})
     def test_certificate_info_in_response(self):
         """
-        Test that certificate has been created and rendered properly with non-audit course mode.
+        Test that a created certificate is returned in the JSON GET response.
         """
         CourseModeFactory.create(course_id=self.course.id, mode_slug='verified')
         response = self.client.ajax_post(
@@ -291,36 +286,13 @@ def test_certificate_info_in_response(self):
 
         self.assertEqual(response.status_code, 201)  # noqa: PT009
 
-        # in html response
-        result = self.client.get_html(self._url())
-        self.assertContains(result, 'Test certificate')
-        self.assertContains(result, 'Test description')
-
-        # in JSON response
         response = self.client.get_json(self._url())
         data = json.loads(response.content.decode('utf-8'))
         self.assertEqual(len(data), 1)  # noqa: PT009
         self.assertEqual(data[0]['name'], 'Test certificate')  # noqa: PT009
         self.assertEqual(data[0]['description'], 'Test description')  # noqa: PT009
         self.assertEqual(data[0]['version'], CERTIFICATE_SCHEMA_VERSION)  # noqa: PT009
 
-    @mock.patch.dict('django.conf.settings.FEATURES', {'CERTIFICATES_HTML_VIEW': True})
-    @override_waffle_flag(toggles.LEGACY_STUDIO_CERTIFICATES, True)
-    def test_certificate_info_not_in_response(self):
-        """
-        Test that certificate has not been rendered audit only course mode.
-        """
-        response = self.client.ajax_post(
-            self._url(),
-            data=CERTIFICATE_JSON_WITH_SIGNATORIES
-        )
-
-        self.assertEqual(response.status_code, 201)  # noqa: PT009
-
-        # in html response
-        result = self.client.get_html(self._url())
-        self.assertNotContains(result, 'Test certificate')
-
     def test_unsupported_http_accept_header(self):
         """
         Test if not allowed header present in request.
@@ -350,55 +322,6 @@ def test_not_permitted(self):
         )
         self.assertContains(response, "error", status_code=403)
 
-    @override_waffle_flag(toggles.LEGACY_STUDIO_CERTIFICATES, True)
-    def test_audit_course_mode_is_skipped(self):
-        """
-        Tests audit course mode is skipped when rendering certificates page.
-        """
-        CourseModeFactory.create(course_id=self.course.id)
-        CourseModeFactory.create(course_id=self.course.id, mode_slug='verified')
-        response = self.client.get_html(
-            self._url(),
-        )
-        self.assertEqual(response.status_code, 200)  # noqa: PT009
-        self.assertContains(response, 'verified')
-        self.assertNotContains(response, 'audit')
-
-    @override_waffle_flag(toggles.LEGACY_STUDIO_CERTIFICATES, True)
-    def test_audit_only_disables_cert(self):
-        """
-        Tests audit course mode is skipped when rendering certificates page.
-        """
-        CourseModeFactory.create(course_id=self.course.id, mode_slug='audit')
-        response = self.client.get_html(
-            self._url(),
-        )
-        self.assertEqual(response.status_code, 200)  # noqa: PT009
-        self.assertContains(response, 'This course does not use a mode that offers certificates.')
-        self.assertNotContains(response, 'This module is not enabled.')
-        self.assertNotContains(response, 'Loading')
-
-    @ddt.data(
-        ['audit', 'verified'],
-        ['verified'],
-        ['audit', 'verified', 'credit'],
-        ['verified', 'credit'],
-        ['professional']
-    )
-    @override_waffle_flag(toggles.LEGACY_STUDIO_CERTIFICATES, True)
-    def test_non_audit_enables_cert(self, slugs):
-        """
-        Tests audit course mode is skipped when rendering certificates page.
-        """
-        for slug in slugs:
-            CourseModeFactory.create(course_id=self.course.id, mode_slug=slug)
-        response = self.client.get_html(
-            self._url(),
-        )
-        self.assertEqual(response.status_code, 200)  # noqa: PT009
-        self.assertNotContains(response, 'This course does not use a mode that offers certificates.')
-        self.assertNotContains(response, 'This module is not enabled.')
-        self.assertContains(response, 'Loading')
 
     def test_assign_unique_identifier_to_certificates(self):
         """

cms/djangoapps/contentstore/views/tests/test_exam_settings_view.py

@@ -24,7 +24,6 @@
         "ENABLE_PROCTORED_EXAMS": True,
     },
 )
-@override_waffle_flag(toggles.LEGACY_STUDIO_CERTIFICATES, True)
 @override_waffle_flag(toggles.LEGACY_STUDIO_CONFIGURATIONS, True)
 @override_waffle_flag(toggles.LEGACY_STUDIO_ADVANCED_SETTINGS, True)
 @override_settings(COURSE_AUTHORING_MICROFRONTEND_URL='https://mfe.example')
@@ -50,7 +49,6 @@ def _get_exam_settings_alert_text(raw_html_content):
 
     @override_waffle_flag(toggles.LEGACY_STUDIO_EXAM_SETTINGS, True)
     @ddt.data(
-        "certificates_list_handler",
         "group_configurations_list_handler",
         "advanced_settings_handler"
     )
@@ -65,7 +63,6 @@ def test_view_without_exam_settings_enabled(self, handler):
         self.assertNotContains(resp, 'Proctored Exam Settings')
 
     @ddt.data(
-        "certificates_list_handler",
         "group_configurations_list_handler",
         "advanced_settings_handler"
     )
@@ -91,6 +88,12 @@ def test_settings_handler_redirects_to_mfe(self):
         resp = self.client.get(url, HTTP_ACCEPT='text/html')
         self.assertEqual(resp.status_code, 302)  # noqa: PT009
 
+    def test_certificates_list_handler_redirects_to_mfe(self):
+        """certificates_list_handler redirects to the authoring MFE."""
+        url = reverse_course_url('certificates_list_handler', self.course.id)
+        resp = self.client.get(url, HTTP_ACCEPT='text/html')
+        self.assertEqual(resp.status_code, 302)  # noqa: PT009
+
 
     @override_settings(
         PROCTORING_BACKENDS={

cms/static/cms/js/build.js

@@ -22,7 +22,6 @@
             'js/factories/course_create_rerun',
             'js/factories/export',
             'js/factories/group_configurations',
-            'js/certificates/factories/certificates_page_factory',
             'js/factories/index',
             'js/factories/manage_users',
             'js/factories/outline',

cms/static/cms/js/spec/main.js

@@ -265,11 +265,6 @@
         'js/spec/views/modals/move_xblock_modal_spec',
         'js/spec/views/modals/validation_error_modal_spec',
         'js/spec/views/settings/main_spec',
-        'js/certificates/spec/models/certificate_spec',
-        'js/certificates/spec/views/certificate_details_spec',
-        'js/certificates/spec/views/certificate_editor_spec',
-        'js/certificates/spec/views/certificates_list_spec',
-        'js/certificates/spec/views/certificate_preview_spec'
     ];
 
     i = 0;