feat: Added Waffle Flags for Courseware Search feature

.gitignore

@@ -136,6 +136,7 @@ build
 \#*\#
 .env/
 openedx/core/djangoapps/django_comment_common/comment_client/python
+openedx/core/djangoapps/cache_toolbox/__pycache__
 autodeploy.properties
 .ws_migrations_complete
 dist

lms/djangoapps/courseware/tests/test_views.py

@@ -30,6 +30,7 @@ from opaque_keys.edx.keys import CourseKey, UsageKey
 from pytz import UTC
 from openedx.core.djangoapps.waffle_utils.models import WaffleFlagCourseOverrideModel
 from rest_framework import status
+from rest_framework.test import APIClient
 from web_fragments.fragment import Fragment
 from xblock.core import XBlock
 from xblock.fields import Scope, String
@@ -76,7 +77,10 @@ from lms.djangoapps.courseware.block_render import get_block, handle_xblock_call
 from lms.djangoapps.courseware.tests.factories import StudentModuleFactory
 from lms.djangoapps.courseware.tests.helpers import MasqueradeMixin, get_expiration_banner_text, set_preview_mode
 from lms.djangoapps.courseware.testutils import RenderXBlockTestMixin
-from lms.djangoapps.courseware.toggles import COURSEWARE_OPTIMIZED_RENDER_XBLOCK
+from lms.djangoapps.courseware.toggles import (
+    COURSEWARE_MICROFRONTEND_SEARCH_ENABLED,
+    COURSEWARE_OPTIMIZED_RENDER_XBLOCK,
+)
 from lms.djangoapps.courseware.user_state_client import DjangoXBlockUserStateClient
 from lms.djangoapps.courseware.views.views import (
     BasePublicVideoXBlockView,
@@ -3683,3 +3687,41 @@ class TestPublicVideoXBlockEmbedView(TestBasePublicVideoXBlock):
             assert template == 'public_video_share_embed.html'
             assert context['fragment'] == fragment
             assert context['course'] == self.course
+
+
+class TestCoursewareMFESearchAPI(SharedModuleStoreTestCase):
+    """
+    Tests the endpoint to fetch the Courseware Search waffle flag enabled status.
+    """
+
+    def setUp(self):
+        super().setUp()
+
+        self.course = CourseFactory.create()
+
+        self.client = APIClient()
+        self.apiUrl = reverse('courseware_search_enabled_view', kwargs={'course_id': str(self.course.id)})
+
+    @override_waffle_flag(COURSEWARE_MICROFRONTEND_SEARCH_ENABLED, active=True)
+    def test_courseware_mfe_search_enabled(self):
+        """
+        Getter to check if user is allowed to use Courseware Search.
+        """
+
+        response = self.client.get(self.apiUrl, content_type='application/json')
+        body = json.loads(response.content.decode('utf-8'))
+
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(body, {'enabled': True})
+
+    @override_waffle_flag(COURSEWARE_MICROFRONTEND_SEARCH_ENABLED, active=False)
+    def test_is_mfe_search_disabled(self):
+        """
+        Getter to check if user is allowed to use Courseware Search.
+        """
+
+        response = self.client.get(self.apiUrl, content_type='application/json')
+        body = json.loads(response.content.decode('utf-8'))
+
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(body, {'enabled': False})

lms/djangoapps/courseware/toggles.py

@@ -55,6 +55,19 @@ COURSEWARE_MICROFRONTEND_PROGRESS_MILESTONES_STREAK_CELEBRATION = CourseWaffleFl
     f'{WAFFLE_FLAG_NAMESPACE}.mfe_progress_milestones_streak_celebration', __name__
 )
 
+# .. toggle_name: courseware.mfe_courseware_search
+# .. toggle_implementation: WaffleFlag
+# .. toggle_default: False
+# .. toggle_description: Enables Courseware Search on Learning MFE
+# .. toggle_use_cases: temporary
+# .. toggle_creation_date: 2023-09-28
+# .. toggle_target_removal_date: None
+# .. toggle_tickets: KBK-20
+# .. toggle_warning: None.
+COURSEWARE_MICROFRONTEND_SEARCH_ENABLED = CourseWaffleFlag(
+    f'{WAFFLE_FLAG_NAMESPACE}.mfe_courseware_search', __name__
+)
+
 # .. toggle_name: courseware.mfe_progress_milestones_streak_discount_enabled
 # .. toggle_implementation: CourseWaffleFlag
 # .. toggle_default: False
@@ -153,3 +166,10 @@ def course_is_invitation_only(courselike) -> bool:
 
 def learning_assistant_is_active(course_key):
     return COURSEWARE_LEARNING_ASSISTANT.is_enabled(course_key)
+
+
+def courseware_mfe_search_is_enabled(course_key=None):
+    """
+    Return whether the courseware.mfe_courseware_search flag is on.
+    """
+    return COURSEWARE_MICROFRONTEND_SEARCH_ENABLED.is_enabled(course_key)

lms/djangoapps/courseware/views/views.py

@@ -18,8 +18,8 @@ from django.contrib.auth.models import AnonymousUser, User  # lint-amnesty, pyli
 from django.core.exceptions import PermissionDenied
 from django.db import transaction
 from django.db.models import Q, prefetch_related_objects
-from django.http import Http404, HttpResponse, HttpResponseBadRequest, HttpResponseForbidden
 from django.shortcuts import redirect
+from django.http import JsonResponse, Http404, HttpResponse, HttpResponseBadRequest, HttpResponseForbidden
 from django.template.context_processors import csrf
 from django.urls import reverse
 from django.utils.decorators import method_decorator
@@ -38,8 +38,8 @@ from markupsafe import escape
 from opaque_keys import InvalidKeyError
 from opaque_keys.edx.keys import CourseKey, UsageKey
 from openedx_filters.learning.filters import CourseAboutRenderStarted
-from pytz import UTC
 from requests.exceptions import ConnectionError, Timeout  # pylint: disable=redefined-builtin
+from pytz import UTC
 from rest_framework import status
 from rest_framework.decorators import api_view, throttle_classes
 from rest_framework.response import Response
@@ -87,7 +87,7 @@ from lms.djangoapps.courseware.masquerade import is_masquerading_as_specific_stu
 from lms.djangoapps.courseware.model_data import FieldDataCache
 from lms.djangoapps.courseware.models import BaseStudentModuleHistory, StudentModule
 from lms.djangoapps.courseware.permissions import MASQUERADE_AS_STUDENT, VIEW_COURSE_HOME, VIEW_COURSEWARE
-from lms.djangoapps.courseware.toggles import course_is_invitation_only
+from lms.djangoapps.courseware.toggles import course_is_invitation_only, courseware_mfe_search_is_enabled
 from lms.djangoapps.courseware.user_state_client import DjangoXBlockUserStateClient
 from lms.djangoapps.courseware.utils import (
     _use_new_financial_assistance_flow,
@@ -2275,3 +2275,15 @@ def get_learner_username(learner_identifier):
     learner = User.objects.filter(Q(username=learner_identifier) | Q(email=learner_identifier)).first()
     if learner:
         return learner.username
+
+
+@api_view(['GET'])
+def courseware_mfe_search_enabled(request, course_id=None):
+    """
+    Simple GET endpoint to expose whether the course may use Courseware Search.
+    """
+
+    course_key = CourseKey.from_string(course_id) if course_id else None
+
+    payload = {"enabled": courseware_mfe_search_is_enabled(course_key)}
+    return JsonResponse(payload)

lms/urls.py

@@ -752,6 +752,16 @@ urlpatterns += [
     ),
 ]
 
+urlpatterns += [
+    re_path(
+        r'^courses/{}/courseware-search/enabled/$'.format(
+            settings.COURSE_ID_PATTERN,
+        ),
+        courseware_views.courseware_mfe_search_enabled,
+        name='courseware_search_enabled_view',
+    ),
+]
+
 urlpatterns += [
     re_path(
         r'^courses/{}/lti_tab/(?P<provider_uuid>[^/]+)/$'.format(