LMS Update to hide subsection content based on due-date

TNL-4905

lms/djangoapps/courseware/views/index.py

@@ -447,7 +447,7 @@ class CoursewareIndex(View):
             return "{url}?child={requested_child}".format(
                 url=reverse(
                     'courseware_section',
-                    args=[unicode(self.course.id), section_info['chapter_url_name'], section_info['url_name']],
+                    args=[unicode(self.course_key), section_info['chapter_url_name'], section_info['url_name']],
                 ),
                 requested_child=requested_child,
             )
@@ -455,6 +455,7 @@ class CoursewareIndex(View):
         section_context = {
             'activate_block_id': self.request.GET.get('activate_block_id'),
             'requested_child': self.request.GET.get("child"),
+            'progress_url': reverse('progress', kwargs={'course_id': unicode(self.course_key)}),
         }
         if previous_of_active_section:
             section_context['prev_url'] = _compute_section_url(previous_of_active_section, 'last')

lms/templates/hidden_content.html

@@ -0,0 +1,26 @@
+<%page expression_filter="h"/>
+<%!
+from django.utils.translation import ugettext as _
+from openedx.core.djangolib.markup import HTML, Text
+%>
+
+<div class="sequence hidden-content proctored-exam completed">
+  <h3>
+      ${_("The due date for this {subsection_format} has passed.").format(
+        subsection_format=subsection_format,
+      )}
+  </h3>
+  <hr>
+  <p>
+      ${Text(_(
+          "Because the due date has passed, this {subsection_format} "
+          "is no longer available.{line_break}If you have completed this {subsection_format}, "
+          "your grade is available on the {link_start}progress page{link_end}."
+        )).format(
+          subsection_format=subsection_format,
+          line_break=HTML("<br>"),
+          link_start=HTML("<a href='{}'>").format(progress_url),
+          link_end=HTML("</a>"),
+      )}
+  </p>
+</div>

lms/templates/seq_module.html

@@ -3,12 +3,12 @@
 
 <div id="sequence_${element_id}" class="sequence" data-id="${item_id}" data-position="${position}" data-ajax-url="${ajax_url}" data-next-url="${next_url}" data-prev-url="${prev_url}">
   <div class="path"></div>
-    % if override_hidden_exam:
+    % if banner_text:
       <div class="pattern-library-shim alert alert-information subsection-header" tabindex="-1">
         <span class="pattern-library-shim icon alert-icon icon-bullhorn" aria-hidden="true"></span>
         <div class="pattern-library-shim alert-message">
           <p class="pattern-library-shim alert-copy">
-            ${_("This exam is hidden from the learner.")}
+            ${banner_text}
           </p>
         </div>
       </div>