core: simplify contest & homework logic

packages/ui-default/templates/contest_detail.html

@@ -30,6 +30,11 @@
           <p>{{ _('We will check code similarity after this contest.') }}</p>
         </blockquote>
       {% endif %}
+      {% if tdoc.duration %}
+        <blockquote class="note">
+          <p>{{ _('The contest is a flexible time contest. You need to complete the contest within a specified time after you attended.') }}</p>
+        </blockquote>
+      {% endif %}
       </div>
     </div>
   {% if model.contest.isOngoing(tdoc, tsdoc) or model.contest.isDone(tdoc, tsdoc) %}

packages/ui-default/templates/contest_scoreboard.html

@@ -1,6 +1,6 @@
 {% import "components/paginator.html" as paginator with context %}
 {% extends "layout/basic.html" %}
-{% set type = 'homework' if tdoc.docType == 60 else 'contest' %}
+{% set type = 'homework' if tdoc.rule == 'homework' else 'contest' %}
 {% block content %}
 <div class="row"><div class="medium-12 columns scoreboard--{{ tdoc.rule }}">
   <div class="section visible">

packages/ui-default/templates/partials/contest_sidebar.html

@@ -109,7 +109,7 @@
       <dt>{{ _('Rule') }}</dt><dd>{{ model.contest.RULES[tdoc.rule].TEXT }}</dd>
       <dt>{{ _('Problem') }}</dt><dd>{{ tdoc.pids.length }}</dd>
       <dt>{{ _('Start at') }}</dt><dd>{{ contest.render_time(tsdoc.startAt or tdoc.beginAt) }}</dd>
-      <dt>{{ _('End at') }}</dt><dd>{{ contest.render_time(tdoc.endAt) }}</dd>
+      <dt>{{ _('End at') }}</dt><dd>{{ contest.render_time(tsdoc.endAt or tdoc.endAt) }}</dd>
       <dt>{{ _('Duration') }}</dt><dd>{{ contest.render_duration(tdoc) }} {{ _('hour(s)') }}</dd>
       <dt>{{ _('Host') }}</dt><dd>{{ user.render_inline(owner_udoc, badge=false) }}</dd>
       <dt>{{ _('Partic.') }}</dt><dd>{{ tdoc['attend']|default(0) }}</dd>