AA-197: Provide cert upgrade info to learning MFE

Specifically, pass the MFE the audit access expiration date and
let it know when the upgrade deadline has passed, by not passing
any verified mode information along.

openedx/core/djangoapps/courseware_api/views.py

@@ -41,7 +41,9 @@ from lms.djangoapps.verify_student.services import IDVerificationService
 from openedx.core.lib.api.view_utils import DeveloperErrorViewMixin
 from openedx.features.course_experience import DISPLAY_COURSE_SOCK_FLAG
 from openedx.features.content_type_gating.models import ContentTypeGatingConfig
-from openedx.features.course_duration_limits.access import generate_course_expired_message
+from openedx.features.course_duration_limits.access import (
+    get_user_course_expiration_date, generate_course_expired_message
+)
 from openedx.features.discounts.utils import generate_offer_html
 from student.models import CourseEnrollment, CourseEnrollmentCelebration, LinkedInAddToProfileConfiguration
 from xmodule.modulestore.django import modulestore
@@ -135,8 +137,7 @@ class CoursewareMeta:
 
     @property
     def can_show_upgrade_sock(self):
-        return (DISPLAY_COURSE_SOCK_FLAG.is_enabled(self.course_key) and
-                can_show_verified_upgrade(self.effective_user, self.enrollment_object))
+        return DISPLAY_COURSE_SOCK_FLAG.is_enabled(self.course_key)
 
     @property
     def license(self):
@@ -181,15 +182,18 @@ class CoursewareMeta:
         """
         Return verified mode information, or None.
         """
+        if not can_show_verified_upgrade(self.effective_user, self.enrollment_object):
+            return None
+
         mode = CourseMode.verified_mode_for_course(self.course_key)
-        if mode:
-            return {
-                'price': mode.min_price,
-                'currency': mode.currency.upper(),
-                'currency_symbol': get_currency_symbol(mode.currency.upper()),
-                'sku': mode.sku,
-                'upgrade_url': verified_upgrade_deadline_link(self.effective_user, self.overview),
-            }
+        return {
+            'access_expiration_date': get_user_course_expiration_date(self.effective_user, self.overview),
+            'price': mode.min_price,
+            'currency': mode.currency.upper(),
+            'currency_symbol': get_currency_symbol(mode.currency.upper()),
+            'sku': mode.sku,
+            'upgrade_url': verified_upgrade_deadline_link(self.effective_user, self.overview),
+        }
 
     @property
     def notes(self):