Change upgrade deadline messaging

lms/djangoapps/courseware/date_summary.py

@@ -444,11 +444,6 @@ class VerifiedUpgradeDeadlineDate(DateSummary):
     Verified track.
     """
     css_class = 'verified-upgrade-deadline'
-    title = ugettext_lazy('Verification Upgrade Deadline')
-    description = ugettext_lazy(
-        'You are still eligible to upgrade to a Verified Certificate! '
-        'Pursue it to highlight the knowledge and skills you gain in this course.'
-    )
     link_text = ugettext_lazy('Upgrade to Verified Certificate')
 
     @property
@@ -475,12 +470,49 @@ class VerifiedUpgradeDeadlineDate(DateSummary):
 
     @lazy
     def date(self):
-        deadline = None
-
         if self.enrollment:
-            deadline = self.enrollment.upgrade_deadline
+            return self.enrollment.upgrade_deadline
+        else:
+            return None
+
+    @property
+    def title(self):
+        dynamic_deadline = self._dynamic_deadline()
+        if dynamic_deadline is not None:
+            return _('Upgrade to Verified Certificate')
+
+        return _('Verification Upgrade Deadline')
+
+    def _dynamic_deadline(self):
+        if not self.enrollment:
+            return None
 
-        return deadline
+        return self.enrollment.dynamic_upgrade_deadline
+
+    @property
+    def description(self):
+        dynamic_deadline = self._dynamic_deadline()
+        if dynamic_deadline is not None:
+            return _('Don\'t miss the opportunity to highlight your new knowledge and skills by earning a verified'
+                     ' certificate.')
+
+        return _('You are still eligible to upgrade to a Verified Certificate! '
+                 'Pursue it to highlight the knowledge and skills you gain in this course.')
+
+    @property
+    def relative_datestring(self):
+        dynamic_deadline = self._dynamic_deadline()
+        if dynamic_deadline is None:
+            return super(VerifiedUpgradeDeadlineDate, self).relative_datestring
+
+        if self.date is None or self.deadline_has_passed():
+            return ' '
+
+        # Translators: This describes the time by which the user
+        # should upgrade to the verified track. 'date' will be
+        # their personalized verified upgrade deadline formatted
+        # according to their locale.
+        return _(u'by {date}')
 
     def register_alerts(self, request, course):
         """