Set missed_deadlines in the course outlines template to simplify the logic in the dates_banner.html

lms/templates/dates_banner.html

@@ -104,20 +104,9 @@ additional_styling_class = 'on-mobile' if is_mobile_app else 'has-button'
         % endif
     </div>
 </%def>
-% if (missed_deadlines and (on_dates_tab_as_verified or on_courseware_page)):
-    % if is_verified:
-        ${reset_dates_banner()}
-    % elif is_audit:
-        ${upgrade_to_reset_banner()}
-    % endif
-% elif on_dates_tab_as_audit and has_locked_assignments:
-    % if missed_deadlines:
-        ${upgrade_to_reset_banner()}
-    % else:
-        ${upgrade_to_complete_graded_banner()}
-    % endif
-% elif on_course_outline_page and (is_audit or is_verified):
-## The outline page uses javascript to show the dates banner, so everything below is only displayed when a user has actually missed deadlines
+% if on_dates_tab and is_audit and has_locked_assignments and not missed_deadlines:
+    ${upgrade_to_complete_graded_banner()}
+% elif missed_deadlines:
     % if is_verified:
         ${reset_dates_banner()}
     % elif is_audit:

openedx/features/course_experience/templates/course_experience/course-outline-fragment.html

@@ -27,7 +27,7 @@ dates_banner_displayed = False
 %>
 <main role="main" class="course-outline" id="main" tabindex="-1">
     <div class="dates-banner-wrapper">
-        % if enrollment_mode and relative_dates_flag_is_enabled and self_paced and not is_course_staff:
+        % if relative_dates_flag_is_enabled and self_paced and not is_course_staff:
             <%include file="/dates_banner.html" />
         % endif
     </div>

openedx/features/course_experience/views/course_outline.py

@@ -112,6 +112,9 @@ class CourseOutlineFragmentView(EdxFragmentView):
             user=request.user,
             course_key=course_key
         )
+        # We use javascript to check whether to actually display this banner, so we let the banner assume
+        # that deadlines have been missed.
+        context['missed_deadlines'] = True
 
         html = render_to_string('course_experience/course-outline-fragment.html', context)
         return Fragment(html)