Add audit access expiration message to courseware_api

to display the banner in the Learner MFE.

lms/static/sass/features/_course-duration-limits.scss

@@ -1,3 +1,8 @@
+body.view-in-mfe {
+  .course-expiration-message {
+    display: none;
+  }
+}
 .course-expiration-message {
     background-color: #D8EDF8;
     color: #393f43;

lms/templates/courseware/courseware-chromeless.html

@@ -121,6 +121,7 @@ ${HTML(fragment.foot_html())}
     // it will report the height of its contents to the parent window when the
     // document loads, window resizes, or DOM mutates.
     if (window !== window.parent) {
+      document.body.className += ' view-in-mfe';
       var lastHeight = window.offsetHeight;
       var lastWidth = window.offsetWidth;
       var contentElement = document.getElementById('content');

openedx/core/djangoapps/courseware_api/serializers.py

@@ -69,6 +69,7 @@ class CourseInfoSerializer(serializers.Serializer):  # pylint: disable=abstract-
     Compare this with CourseDetailSerializer.
     """
 
+    course_expired_message = serializers.CharField()
     effort = serializers.CharField()
     end = serializers.DateTimeField()
     enrollment_start = serializers.DateTimeField()

openedx/core/djangoapps/courseware_api/views.py

@@ -16,6 +16,7 @@ from lms.djangoapps.courseware.module_render import get_module_by_usage_id
 from student.models import CourseEnrollment
 
 from openedx.core.lib.api.view_utils import DeveloperErrorViewMixin
+from openedx.features.course_duration_limits.access import generate_course_expired_message
 from xmodule.course_module import COURSE_VISIBILITY_PUBLIC
 
 from .serializers import CourseInfoSerializer
@@ -129,6 +130,8 @@ class CoursewareInformation(RetrieveAPIView):
         overview.user_has_access = overview.can_load_courseware
         overview.user_has_staff_access = overview.is_staff
 
+        # TODO: TNL-7185 Legacy: Refactor to return the expiration date and format the message in the MFE
+        overview.course_expired_message = generate_course_expired_message(self.request.user, overview)
         return overview
 
     def get_serializer_context(self):