Add live contest notification

judge/views/blog.py

@@ -104,6 +104,12 @@ class PostList(ListView):
             context['open_tickets'] = filter_visible_tickets(tickets, self.request.user, profile)[:10]
         else:
             context['open_tickets'] = []
+
+        if self.request.in_contest:
+            if self.request.user.is_superuser or \
+               self.request.profile in self.request.participation.contest.authors.all() or \
+               self.request.profile in self.request.participation.contest.curators.all():
+                context['can_edit_contest'] = True
         return context
 
 

judge/views/contests.py

@@ -18,10 +18,10 @@ from django.db.models.expressions import CombinedExpression
 from django.http import Http404, HttpResponse, HttpResponseBadRequest, HttpResponseRedirect
 from django.shortcuts import get_object_or_404, render
 from django.template.defaultfilters import date as date_filter
-from django.urls import reverse
+from django.urls import reverse, reverse_lazy
 from django.utils import timezone
 from django.utils.functional import cached_property
-from django.utils.html import format_html
+from django.utils.html import format_html, escape
 from django.utils.safestring import mark_safe
 from django.utils.timezone import make_aware
 from django.utils.translation import gettext as _, gettext_lazy
@@ -32,7 +32,7 @@ from judge import event_poster as event
 from judge.comments import CommentedDetailView
 from judge.forms import ContestCloneForm
 from judge.models import Contest, ContestMoss, ContestParticipation, ContestProblem, ContestTag, \
-    Organization, Problem, Profile, Submission
+    Organization, Problem, Profile, Submission, ProblemClarification
 from judge.tasks import run_moss
 from judge.utils.celery import redirect_to_task_status
 from judge.utils.opengraph import generate_opengraph
@@ -40,11 +40,12 @@ from judge.utils.problems import _get_result_data
 from judge.utils.ranker import ranker
 from judge.utils.stats import get_bar_chart, get_pie_chart, get_histogram
 from judge.utils.views import DiggPaginatorMixin, SingleObjectFormView, TitleMixin, generic_message
+from judge.widgets import HeavyPreviewPageDownWidget
 
 __all__ = ['ContestList', 'ContestDetail', 'ContestRanking', 'ContestJoin', 'ContestLeave', 'ContestCalendar',
            'ContestClone', 'ContestStats', 'ContestMossView', 'ContestMossDelete', 'contest_ranking_ajax',
            'ContestParticipationList', 'ContestParticipationDisqualify', 'get_contest_ranking_list',
-           'base_contest_ranking_list']
+           'base_contest_ranking_list', 'ContestClarificationView']
 
 
 def _find_contest(request, key, private_check=True):
@@ -854,3 +855,64 @@ class ContestTagDetail(TitleMixin, ContestTagDetailAjax):
 
     def get_title(self):
         return _('Contest tag: %s') % self.object.name
+
+
+class ProblemClarificationForm(forms.Form):
+    body = forms.CharField(widget=HeavyPreviewPageDownWidget(preview=reverse_lazy('comment_preview'),
+                                                         preview_timeout=1000, hide_preview_button=True))
+
+    def __init__(self, request, *args, **kwargs):
+        self.request = request
+        super(ProblemClarificationForm, self).__init__(*args, **kwargs)
+        self.fields['body'].widget.attrs.update({'placeholder': _('Issue description')})
+
+
+class NewContestClarificationView(ContestMixin, TitleMixin, SingleObjectFormView):
+    form_class = ProblemClarificationForm
+    template_name = 'contest/clarification.html'
+
+    def get_form_kwargs(self):
+        kwargs = super(NewContestClarificationView, self).get_form_kwargs()
+        kwargs['request'] = self.request
+        return kwargs
+
+    def is_accessible(self):
+        if not self.request.user.is_authenticated:
+            return False
+        if not self.request.in_contest:
+            return False
+        if not self.request.participation.contest == self.get_object():
+            return False
+        return self.request.user.is_superuser or \
+               self.request.profile in self.request.participation.contest.authors.all() or \
+               self.request.profile in self.request.participation.contest.curators.all()
+
+    def get(self, request, *args, **kwargs):
+        if not self.is_accessible():
+            raise Http404()
+        return super().get(self, request, *args, **kwargs)
+
+    def form_valid(self, form):
+        problem_code = self.request.POST['problem']
+        description = form.cleaned_data['body']
+
+        clarification = ProblemClarification(description=description)
+        clarification.problem = Problem.objects.get(code=problem_code)
+        clarification.save()
+        
+        link = reverse('home')
+        return HttpResponseRedirect(link)
+
+    def get_title(self):
+        return "New clarification for %s" % self.object.name
+
+    def get_content_title(self):
+        return mark_safe(escape(_('New clarification for %s')) %
+                         format_html('<a href="{0}">{1}</a>', reverse('problem_detail', args=[self.object.key]),
+                                     self.object.name))
+
+    def get_context_data(self, **kwargs):
+        context = super(NewContestClarificationView, self).get_context_data(**kwargs)
+        context['problems'] = ContestProblem.objects.filter(contest=self.object)\
+                                         .order_by('order')
+        return context

judge/views/problem.py

@@ -25,6 +25,7 @@ from django.views.generic import ListView, View
 from django.views.generic.base import TemplateResponseMixin
 from django.views.generic.detail import SingleObjectMixin
 
+from judge import event_poster as event
 from judge.comments import CommentedDetailView
 from judge.forms import ProblemCloneForm, ProblemSubmitForm
 from judge.models import ContestProblem, ContestSubmission, Judge, Language, Problem, ProblemGroup, \
@@ -170,8 +171,10 @@ class ProblemDetail(ProblemMixin, SolvedProblemMixin, CommentedDetailView):
         contest_problem = (None if not authed or user.profile.current_contest is None else
                            get_contest_problem(self.object, user.profile))
         context['contest_problem'] = contest_problem
+
         if contest_problem:
             clarifications = self.object.clarifications
+            context['last_msg'] = event.last()
             context['has_clarifications'] = clarifications.count() > 0
             context['clarifications'] = clarifications.order_by('-date')
             context['submission_limit'] = contest_problem.max_submissions
@@ -434,6 +437,7 @@ class ProblemList(QueryStringSortMixin, TitleMixin, SolvedProblemMixin, ListView
             context['hot_problems'] = hot_problems(timedelta(days=1), 7)
             context['point_start'], context['point_end'], context['point_values'] = self.get_noui_slider_points()
         else:
+            context['last_msg'] = event.last()
             context['hot_problems'] = None
             context['point_start'], context['point_end'], context['point_values'] = 0, 0, {}
             context['hide_contest_scoreboard'] = self.contest.scoreboard_visibility in \