feat: [FC-0056] add waffle flag for opening discussions/notifications…

… by default

lms/djangoapps/courseware/toggles.py

@@ -83,6 +83,21 @@
     f'{WAFFLE_FLAG_NAMESPACE}.disable_navigation_sidebar_blocks_caching', __name__
 )
 
+# .. toggle_name: courseware.show_default_right_sidebar
+# .. toggle_implementation: WaffleFlag
+# .. toggle_default: False
+# .. toggle_description: If waffle flag disabled
+# Discussions or Notifications sidebar shouldn't be displayed at all on Learning MFE.
+# If waffle flag enabled - Discussions opens always on the pages with discussions,
+# if user is in Audit and course has verified mode - show Notifications.# .. toggle_use_cases: temporary
+# .. toggle_creation_date: 2024-04-28
+# .. toggle_target_removal_date: None
+# .. toggle_tickets: FC-0056
+# .. toggle_warning: None.
+COURSEWARE_SHOW_DEFAULT_RIGHT_SIDEBAR = CourseWaffleFlag(
+    f'{WAFFLE_FLAG_NAMESPACE}.show_default_right_sidebar', __name__
+)
+
 # .. toggle_name: courseware.mfe_progress_milestones_streak_discount_enabled
 # .. toggle_implementation: CourseWaffleFlag
 # .. toggle_default: False
@@ -192,3 +207,10 @@ def courseware_disable_navigation_sidebar_blocks_caching(course_key=None):
     Return whether the courseware.disable_navigation_sidebar_blocks_caching flag is on.
     """
     return COURSEWARE_MICROFRONTEND_NAVIGATION_SIDEBAR_BLOCKS_DISABLE_CACHING.is_enabled(course_key)
+
+
+def courseware_show_default_right_sidebar_is_enabled(course_key=None):
+    """
+    Return whether the courseware.show_default_right_sidebar flag is on.
+    """
+    return COURSEWARE_SHOW_DEFAULT_RIGHT_SIDEBAR.is_enabled(course_key)

lms/djangoapps/courseware/views/views.py

@@ -88,7 +88,11 @@
 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, courseware_mfe_search_is_enabled
+from lms.djangoapps.courseware.toggles import (
+    course_is_invitation_only,
+    courseware_mfe_search_is_enabled,
+    courseware_show_default_right_sidebar_is_enabled,
+)
 from lms.djangoapps.courseware.user_state_client import DjangoXBlockUserStateClient
 from lms.djangoapps.courseware.utils import (
     _use_new_financial_assistance_flow,
@@ -2282,3 +2286,19 @@ def courseware_mfe_search_enabled(request, course_id=None):
 
     payload = {"enabled": courseware_mfe_search_is_enabled(course_key) if enabled else False}
     return JsonResponse(payload)
+
+
+@api_view(['GET'])
+def courseware_mfe_show_default_right_sidebar_is_enabled(request, course_id=None):
+    """
+    Simple GET endpoint to expose whether the course may open discussion sidebar by default.
+    """
+    try:
+        course_key = CourseKey.from_string(course_id) if course_id else None
+    except InvalidKeyError:
+        return JsonResponse({"error": "Invalid course_id"})
+
+    return JsonResponse({
+        "enabled": courseware_show_default_right_sidebar_is_enabled(course_key)
+    })
+

lms/urls.py

@@ -749,6 +749,11 @@
         courseware_views.courseware_mfe_search_enabled,
         name='courseware_search_enabled_view',
     ),
+    re_path(
+        fr'^courses/{settings.COURSE_ID_PATTERN}/discussion-sidebar/enabled/$',
+        courseware_views.courseware_mfe_show_default_right_sidebar_is_enabled,
+        name='show_default_right_sidebar_enabled_view',
+    ),
 ]
 
 urlpatterns += [