fix: submit before and after contest

Author: ultmaster

contest/views.py

@@ -43,7 +43,7 @@ def test_func(self):
                                           or user.privilege in (Privilege.ROOT, Privilege.ADMIN)):
             return True
         else:
-            self.permission_denied_message = "Did you forget to register the contest?"
+            self.permission_denied_message = "Did you forget to register for the contest?"
             return False
 
     def get_context_data(self, **kwargs):
@@ -140,6 +140,9 @@ def get_form_kwargs(self):
 
     def form_valid(self, form):
         contest = get_object_or_404(Contest, pk=self.kwargs['cid'])
+        if timezone.now() < contest.start_time or timezone.now() > contest.end_time:
+            messages.error(self.request, 'You are currently not in the period of the contest.')
+            return HttpResponseRedirect(self.request.path)
         with transaction.atomic():
             submission = form.save(commit=False)
             problem_identifier = form.cleaned_data['problem_identifier']

dispatcher/tasks.py

@@ -147,13 +147,17 @@ def dispatch(self):
                                      timeout=3600).json()
             print(response)
             if response['status'] != 'received':
+                with transaction.atomic():
+                    self.submission = Submission.objects.select_for_update().get(pk=self.submission_id)
+                    self.submission.status = SubmissionStatus.SYSTEM_ERROR
+                    self.submission.save()
                 raise ConnectionError('Remote server rejected the request.')
 
             self.update_submission_and_problem(response)
             return True
         except Exception as e:
             print('Something wrong during dispatch:')
-            print(e)
+            print(repr(e))
             return False
 
 

templates/contest/index.jinja2

@@ -18,7 +18,7 @@
         {% for contest_problem in contest_problem_list %}
         <tr>
           <th scope="row" class="text-center">{{ contest_problem.identifier }}</th>
-          <td style="text-align: center;"><a href="{{ url('contest:problem', contest.pk, contest_problem.identifier) }}">
+          <td style="text-align: left;"><a href="{{ url('contest:problem', contest.pk, contest_problem.identifier) }}">
             {{ contest_problem.problem.title }}</a></td>
           <td align="center" class="{% if contest_problem.status %}table-{{ contest_problem.status }}{% endif %}">
             {{ contest_problem.total_accept_number }} / {{ contest_problem.total_submit_number }}</td>

templates/contest/submit.jinja2

@@ -1,11 +1,11 @@
 {% extends 'contest/base.jinja2' %}
+
 {% block contest_content %}
 
-<div>
-  <div class="content-header">
-    <h2>Submit your code</h2>
-  </div>
+<div class="content-header">
+  <h2>Submit your code</h2>
 </div>
+{% include 'components/message.jinja2' %}
 <form class="form" action="{{ request.path }}" method="post">
   {% csrf_token %}