674 lines
30 KiB
Python
674 lines
30 KiB
Python
import logging
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import os
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import shutil
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from datetime import timedelta
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from operator import itemgetter
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from random import randrange
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from django.conf import settings
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from django.contrib.auth.decorators import login_required
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from django.contrib.auth.mixins import PermissionRequiredMixin
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from django.core.exceptions import ObjectDoesNotExist, PermissionDenied
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from django.db import transaction
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from django.db.models import Count, F, Prefetch, Q
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from django.db.utils import ProgrammingError
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from django.http import Http404, HttpResponse, HttpResponseBadRequest, HttpResponseForbidden, HttpResponseRedirect
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from django.shortcuts import get_object_or_404, render
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from django.template.loader import get_template
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from django.urls import reverse
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from django.utils import timezone, translation
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from django.utils.functional import cached_property
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from django.utils.html import escape, format_html
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from django.utils.safestring import mark_safe
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from django.utils.translation import gettext as _, gettext_lazy
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from django.views.generic import ListView, View
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from django.views.generic.base import TemplateResponseMixin
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from django.views.generic.detail import SingleObjectMixin
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from judge.comments import CommentedDetailView
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from judge.forms import ProblemCloneForm, ProblemSubmitForm
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from judge.models import ContestProblem, ContestSubmission, Judge, Language, Problem, ProblemGroup, \
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ProblemTranslation, ProblemType, RuntimeVersion, Solution, Submission, SubmissionSource, \
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TranslatedProblemForeignKeyQuerySet
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from judge.pdf_problems import DefaultPdfMaker, HAS_PDF
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from judge.utils.diggpaginator import DiggPaginator
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from judge.utils.opengraph import generate_opengraph
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from judge.utils.problems import contest_attempted_ids, contest_completed_ids, hot_problems, user_attempted_ids, \
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user_completed_ids
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from judge.utils.strings import safe_float_or_none, safe_int_or_none
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from judge.utils.tickets import own_ticket_filter
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from judge.utils.views import QueryStringSortMixin, SingleObjectFormView, TitleMixin, generic_message
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def get_contest_problem(problem, profile):
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try:
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return problem.contests.get(contest_id=profile.current_contest.contest_id)
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except ObjectDoesNotExist:
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return None
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def get_contest_submission_count(problem, profile, virtual):
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return profile.current_contest.submissions.exclude(submission__status__in=['IE']) \
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.filter(problem__problem__code=problem, participation__virtual=virtual).count()
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class ProblemMixin(object):
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model = Problem
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slug_url_kwarg = 'problem'
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slug_field = 'code'
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def get_object(self, queryset=None):
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problem = super(ProblemMixin, self).get_object(queryset)
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if not problem.is_accessible_by(self.request.user):
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raise Http404()
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return problem
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def no_such_problem(self):
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code = self.kwargs.get(self.slug_url_kwarg, None)
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return generic_message(self.request, _('No such problem'),
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_('Could not find a problem with the code "%s".') % code, status=404)
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def get(self, request, *args, **kwargs):
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try:
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return super(ProblemMixin, self).get(request, *args, **kwargs)
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except Http404:
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return self.no_such_problem()
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class SolvedProblemMixin(object):
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def get_completed_problems(self):
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if self.in_contest:
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return contest_completed_ids(self.profile.current_contest)
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else:
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return user_completed_ids(self.profile) if self.profile is not None else ()
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def get_attempted_problems(self):
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if self.in_contest:
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return contest_attempted_ids(self.profile.current_contest)
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else:
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return user_attempted_ids(self.profile) if self.profile is not None else ()
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@cached_property
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def in_contest(self):
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return self.profile is not None and self.profile.current_contest is not None
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@cached_property
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def contest(self):
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return self.request.profile.current_contest.contest
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@cached_property
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def profile(self):
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if not self.request.user.is_authenticated:
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return None
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return self.request.profile
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class ProblemSolution(SolvedProblemMixin, ProblemMixin, TitleMixin, CommentedDetailView):
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context_object_name = 'problem'
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template_name = 'problem/editorial.html'
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def get_title(self):
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return _('Editorial for {0}').format(self.object.name)
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def get_content_title(self):
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return format_html(_(u'Editorial for <a href="{1}">{0}</a>'), self.object.name,
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reverse('problem_detail', args=[self.object.code]))
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def get_context_data(self, **kwargs):
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context = super(ProblemSolution, self).get_context_data(**kwargs)
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solution = get_object_or_404(Solution, problem=self.object)
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if (not solution.is_public or solution.publish_on > timezone.now()) and \
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not self.request.user.has_perm('judge.see_private_solution') or \
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(self.request.user.is_authenticated and
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self.request.profile.current_contest):
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raise Http404()
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context['solution'] = solution
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context['has_solved_problem'] = self.object.id in self.get_completed_problems()
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return context
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def get_comment_page(self):
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return 's:' + self.object.code
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class ProblemRaw(ProblemMixin, TitleMixin, TemplateResponseMixin, SingleObjectMixin, View):
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context_object_name = 'problem'
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template_name = 'problem/raw.html'
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def get_title(self):
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return self.object.name
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def get_context_data(self, **kwargs):
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context = super(ProblemRaw, self).get_context_data(**kwargs)
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context['problem_name'] = self.object.name
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context['url'] = self.request.build_absolute_uri()
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context['description'] = self.object.description
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return context
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def get(self, request, *args, **kwargs):
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self.object = self.get_object()
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with translation.override(settings.LANGUAGE_CODE):
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return self.render_to_response(self.get_context_data(
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object=self.object,
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))
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class ProblemDetail(ProblemMixin, SolvedProblemMixin, CommentedDetailView):
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context_object_name = 'problem'
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template_name = 'problem/problem.html'
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def get_comment_page(self):
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return 'p:%s' % self.object.code
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def get_context_data(self, **kwargs):
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context = super(ProblemDetail, self).get_context_data(**kwargs)
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user = self.request.user
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authed = user.is_authenticated
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context['has_submissions'] = authed and Submission.objects.filter(user=user.profile,
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problem=self.object).exists()
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contest_problem = (None if not authed or user.profile.current_contest is None else
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get_contest_problem(self.object, user.profile))
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context['contest_problem'] = contest_problem
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if contest_problem:
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clarifications = self.object.clarifications
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context['has_clarifications'] = clarifications.count() > 0
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context['clarifications'] = clarifications.order_by('-date')
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context['submission_limit'] = contest_problem.max_submissions
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if contest_problem.max_submissions:
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context['submissions_left'] = max(contest_problem.max_submissions -
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get_contest_submission_count(self.object.code, user.profile,
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user.profile.current_contest.virtual), 0)
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context['available_judges'] = Judge.objects.filter(online=True, problems=self.object)
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context['show_languages'] = self.object.allowed_languages.count() != Language.objects.count()
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context['has_pdf_render'] = HAS_PDF
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context['completed_problem_ids'] = self.get_completed_problems()
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context['attempted_problems'] = self.get_attempted_problems()
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can_edit = self.object.is_editable_by(user)
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context['can_edit_problem'] = can_edit
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if user.is_authenticated:
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tickets = self.object.tickets
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if not can_edit:
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tickets = tickets.filter(own_ticket_filter(user.profile.id))
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context['has_tickets'] = tickets.exists()
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context['num_open_tickets'] = tickets.filter(is_open=True).values('id').distinct().count()
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try:
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context['editorial'] = Solution.objects.get(problem=self.object)
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except ObjectDoesNotExist:
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pass
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try:
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translation = self.object.translations.get(language=self.request.LANGUAGE_CODE)
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except ProblemTranslation.DoesNotExist:
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context['title'] = self.object.name
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context['language'] = settings.LANGUAGE_CODE
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context['description'] = self.object.description
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context['translated'] = False
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else:
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context['title'] = translation.name
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context['language'] = self.request.LANGUAGE_CODE
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context['description'] = translation.description
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context['translated'] = True
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if not self.object.og_image or not self.object.summary:
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metadata = generate_opengraph('generated-meta-problem:%s:%d' % (context['language'], self.object.id),
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context['description'], 'problem')
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context['meta_description'] = self.object.summary or metadata[0]
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context['og_image'] = self.object.og_image or metadata[1]
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return context
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class LatexError(Exception):
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pass
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class ProblemPdfView(ProblemMixin, SingleObjectMixin, View):
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logger = logging.getLogger('judge.problem.pdf')
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languages = set(map(itemgetter(0), settings.LANGUAGES))
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def get(self, request, *args, **kwargs):
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if not HAS_PDF:
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raise Http404()
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language = kwargs.get('language', self.request.LANGUAGE_CODE)
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if language not in self.languages:
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raise Http404()
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problem = self.get_object()
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try:
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trans = problem.translations.get(language=language)
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except ProblemTranslation.DoesNotExist:
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trans = None
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cache = os.path.join(settings.DMOJ_PDF_PROBLEM_CACHE, '%s.%s.pdf' % (problem.code, language))
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if not os.path.exists(cache):
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self.logger.info('Rendering: %s.%s.pdf', problem.code, language)
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with DefaultPdfMaker() as maker, translation.override(language):
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problem_name = problem.name if trans is None else trans.name
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maker.html = get_template('problem/raw.html').render({
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'problem': problem,
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'problem_name': problem_name,
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'description': problem.description if trans is None else trans.description,
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'url': request.build_absolute_uri(),
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'math_engine': maker.math_engine,
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}).replace('"//', '"https://').replace("'//", "'https://")
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maker.title = problem_name
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assets = ['style.css', 'pygment-github.css']
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if maker.math_engine == 'jax':
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assets.append('mathjax_config.js')
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for file in assets:
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maker.load(file, os.path.join(settings.DMOJ_RESOURCES, file))
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maker.make()
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if not maker.success:
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self.logger.error('Failed to render PDF for %s', problem.code)
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return HttpResponse(maker.log, status=500, content_type='text/plain')
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shutil.move(maker.pdffile, cache)
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response = HttpResponse()
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if hasattr(settings, 'DMOJ_PDF_PROBLEM_INTERNAL') and \
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request.META.get('SERVER_SOFTWARE', '').startswith('nginx/'):
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response['X-Accel-Redirect'] = '%s/%s.%s.pdf' % (settings.DMOJ_PDF_PROBLEM_INTERNAL, problem.code, language)
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else:
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with open(cache, 'rb') as f:
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response.content = f.read()
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response['Content-Type'] = 'application/pdf'
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response['Content-Disposition'] = 'inline; filename=%s.%s.pdf' % (problem.code, language)
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return response
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class ProblemList(QueryStringSortMixin, TitleMixin, SolvedProblemMixin, ListView):
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model = Problem
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title = gettext_lazy('Problems')
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context_object_name = 'problems'
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template_name = 'problem/list.html'
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paginate_by = 50
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sql_sort = frozenset(('date', 'points', 'ac_rate', 'user_count', 'code'))
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manual_sort = frozenset(('name', 'group', 'solved', 'type'))
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all_sorts = sql_sort | manual_sort
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default_desc = frozenset(('date', 'points', 'ac_rate', 'user_count'))
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default_sort = '-date'
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def get_paginator(self, queryset, per_page, orphans=0,
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allow_empty_first_page=True, **kwargs):
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paginator = DiggPaginator(queryset, per_page, body=6, padding=2, orphans=orphans,
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allow_empty_first_page=allow_empty_first_page, **kwargs)
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if not self.in_contest:
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# Get the number of pages and then add in this magic.
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# noinspection PyStatementEffect
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paginator.num_pages
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queryset = queryset.add_i18n_name(self.request.LANGUAGE_CODE)
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sort_key = self.order.lstrip('-')
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if sort_key in self.sql_sort:
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queryset = queryset.order_by(self.order)
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elif sort_key == 'name':
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queryset = queryset.order_by(self.order.replace('name', 'i18n_name'))
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elif sort_key == 'group':
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queryset = queryset.order_by(self.order + '__name')
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elif sort_key == 'solved':
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if self.request.user.is_authenticated:
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profile = self.request.profile
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solved = user_completed_ids(profile)
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attempted = user_attempted_ids(profile)
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def _solved_sort_order(problem):
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if problem.id in solved:
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return 1
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if problem.id in attempted:
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return 0
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return -1
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queryset = list(queryset)
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queryset.sort(key=_solved_sort_order, reverse=self.order.startswith('-'))
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elif sort_key == 'type':
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if self.show_types:
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queryset = list(queryset)
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queryset.sort(key=lambda problem: problem.types_list[0] if problem.types_list else '',
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reverse=self.order.startswith('-'))
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paginator.object_list = queryset
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return paginator
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@cached_property
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def profile(self):
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if not self.request.user.is_authenticated:
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return None
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return self.request.profile
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def get_contest_queryset(self):
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queryset = self.profile.current_contest.contest.contest_problems.select_related('problem__group') \
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.defer('problem__description').order_by('problem__code') \
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.annotate(user_count=Count('submission__participation', distinct=True)) \
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.order_by('order')
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queryset = TranslatedProblemForeignKeyQuerySet.add_problem_i18n_name(queryset, 'i18n_name',
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self.request.LANGUAGE_CODE,
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'problem__name')
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return [{
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'id': p['problem_id'],
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'code': p['problem__code'],
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'name': p['problem__name'],
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'i18n_name': p['i18n_name'],
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'group': {'full_name': p['problem__group__full_name']},
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'points': p['points'],
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'partial': p['partial'],
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'user_count': p['user_count'],
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} for p in queryset.values('problem_id', 'problem__code', 'problem__name', 'i18n_name',
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'problem__group__full_name', 'points', 'partial', 'user_count')]
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def get_normal_queryset(self):
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filter = Q(is_public=True)
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if self.profile is not None:
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filter |= Q(authors=self.profile)
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filter |= Q(curators=self.profile)
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filter |= Q(testers=self.profile)
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queryset = Problem.objects.filter(filter).select_related('group').defer('description')
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if not self.request.user.has_perm('see_organization_problem'):
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filter = Q(is_organization_private=False)
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if self.profile is not None:
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filter |= Q(organizations__in=self.profile.organizations.all())
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queryset = queryset.filter(filter)
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if self.profile is not None and self.hide_solved:
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queryset = queryset.exclude(id__in=Submission.objects.filter(user=self.profile, points=F('problem__points'))
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.values_list('problem__id', flat=True))
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if self.show_types:
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queryset = queryset.prefetch_related('types')
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if self.category is not None:
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queryset = queryset.filter(group__id=self.category)
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if self.selected_types:
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queryset = queryset.filter(types__in=self.selected_types)
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if 'search' in self.request.GET:
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self.search_query = query = ' '.join(self.request.GET.getlist('search')).strip()
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if query:
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if settings.ENABLE_FTS and self.full_text:
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queryset = queryset.search(query, queryset.BOOLEAN).extra(order_by=['-relevance'])
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else:
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queryset = queryset.filter(
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Q(code__icontains=query) | Q(name__icontains=query) |
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Q(translations__name__icontains=query, translations__language=self.request.LANGUAGE_CODE))
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self.prepoint_queryset = queryset
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if self.point_start is not None:
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queryset = queryset.filter(points__gte=self.point_start)
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if self.point_end is not None:
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queryset = queryset.filter(points__lte=self.point_end)
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return queryset.distinct()
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def get_queryset(self):
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if self.in_contest:
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return self.get_contest_queryset()
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else:
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return self.get_normal_queryset()
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def get_context_data(self, **kwargs):
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context = super(ProblemList, self).get_context_data(**kwargs)
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context['hide_solved'] = 0 if self.in_contest else int(self.hide_solved)
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context['show_types'] = 0 if self.in_contest else int(self.show_types)
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context['full_text'] = 0 if self.in_contest else int(self.full_text)
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context['category'] = self.category
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context['categories'] = ProblemGroup.objects.all()
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if self.show_types:
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context['selected_types'] = self.selected_types
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context['problem_types'] = ProblemType.objects.all()
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context['has_fts'] = settings.ENABLE_FTS
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context['search_query'] = self.search_query
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context['completed_problem_ids'] = self.get_completed_problems()
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context['attempted_problems'] = self.get_attempted_problems()
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context.update(self.get_sort_paginate_context())
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if not self.in_contest:
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context.update(self.get_sort_context())
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context['hot_problems'] = hot_problems(timedelta(days=1), 7)
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context['point_start'], context['point_end'], context['point_values'] = self.get_noui_slider_points()
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else:
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context['hot_problems'] = None
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context['point_start'], context['point_end'], context['point_values'] = 0, 0, {}
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context['hide_contest_scoreboard'] = self.contest.hide_scoreboard
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return context
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def get_noui_slider_points(self):
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points = sorted(self.prepoint_queryset.values_list('points', flat=True).distinct())
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if not points:
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return 0, 0, {}
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if len(points) == 1:
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return points[0], points[0], {
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'min': points[0] - 1,
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'max': points[0] + 1,
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}
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start, end = points[0], points[-1]
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if self.point_start is not None:
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start = self.point_start
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if self.point_end is not None:
|
|
end = self.point_end
|
|
points_map = {0.0: 'min', 1.0: 'max'}
|
|
size = len(points) - 1
|
|
return start, end, {points_map.get(i / size, '%.2f%%' % (100 * i / size,)): j for i, j in enumerate(points)}
|
|
|
|
def GET_with_session(self, request, key):
|
|
if not request.GET:
|
|
return request.session.get(key, False)
|
|
return request.GET.get(key, None) == '1'
|
|
|
|
def setup_problem_list(self, request):
|
|
self.hide_solved = self.GET_with_session(request, 'hide_solved')
|
|
self.show_types = self.GET_with_session(request, 'show_types')
|
|
self.full_text = self.GET_with_session(request, 'full_text')
|
|
|
|
self.search_query = None
|
|
self.category = None
|
|
self.selected_types = []
|
|
|
|
# This actually copies into the instance dictionary...
|
|
self.all_sorts = set(self.all_sorts)
|
|
if not self.show_types:
|
|
self.all_sorts.discard('type')
|
|
|
|
self.category = safe_int_or_none(request.GET.get('category'))
|
|
if 'type' in request.GET:
|
|
try:
|
|
self.selected_types = list(map(int, request.GET.getlist('type')))
|
|
except ValueError:
|
|
pass
|
|
|
|
self.point_start = safe_float_or_none(request.GET.get('point_start'))
|
|
self.point_end = safe_float_or_none(request.GET.get('point_end'))
|
|
|
|
def get(self, request, *args, **kwargs):
|
|
self.setup_problem_list(request)
|
|
|
|
try:
|
|
return super(ProblemList, self).get(request, *args, **kwargs)
|
|
except ProgrammingError as e:
|
|
return generic_message(request, 'FTS syntax error', e.args[1], status=400)
|
|
|
|
def post(self, request, *args, **kwargs):
|
|
to_update = ('hide_solved', 'show_types', 'full_text')
|
|
for key in to_update:
|
|
if key in request.GET:
|
|
val = request.GET.get(key) == '1'
|
|
request.session[key] = val
|
|
else:
|
|
request.session.pop(key, None)
|
|
return HttpResponseRedirect(request.get_full_path())
|
|
|
|
|
|
class LanguageTemplateAjax(View):
|
|
def get(self, request, *args, **kwargs):
|
|
try:
|
|
language = get_object_or_404(Language, id=int(request.GET.get('id', 0)))
|
|
except ValueError:
|
|
raise Http404()
|
|
return HttpResponse(language.template, content_type='text/plain')
|
|
|
|
|
|
class RandomProblem(ProblemList):
|
|
def get(self, request, *args, **kwargs):
|
|
self.setup_problem_list(request)
|
|
if self.in_contest:
|
|
raise Http404()
|
|
|
|
queryset = self.get_normal_queryset()
|
|
count = queryset.count()
|
|
if not count:
|
|
return HttpResponseRedirect('%s%s%s' % (reverse('problem_list'), request.META['QUERY_STRING'] and '?',
|
|
request.META['QUERY_STRING']))
|
|
return HttpResponseRedirect(queryset[randrange(count)].get_absolute_url())
|
|
|
|
|
|
user_logger = logging.getLogger('judge.user')
|
|
|
|
|
|
@login_required
|
|
def problem_submit(request, problem=None, submission=None):
|
|
if submission is not None and not request.user.has_perm('judge.resubmit_other') and \
|
|
get_object_or_404(Submission, id=int(submission)).user.user != request.user:
|
|
raise PermissionDenied()
|
|
|
|
profile = request.profile
|
|
if request.method == 'POST':
|
|
form = ProblemSubmitForm(request.POST, instance=Submission(user=profile))
|
|
if form.is_valid():
|
|
if (not request.user.has_perm('judge.spam_submission') and
|
|
Submission.objects.filter(user=profile, was_rejudged=False)
|
|
.exclude(status__in=['D', 'IE', 'CE', 'AB']).count() >= settings.DMOJ_SUBMISSION_LIMIT):
|
|
return HttpResponse('<h1>You submitted too many submissions.</h1>', status=429)
|
|
if not form.cleaned_data['problem'].allowed_languages.filter(
|
|
id=form.cleaned_data['language'].id).exists():
|
|
raise PermissionDenied()
|
|
if not form.cleaned_data['problem'].is_accessible_by(request.user):
|
|
user_logger.info('Naughty user %s wants to submit to %s without permission',
|
|
request.user.username, form.cleaned_data['problem'].code)
|
|
return HttpResponseForbidden('<h1>Do you want me to ban you?</h1>')
|
|
if not request.user.is_superuser and form.cleaned_data['problem'].banned_users.filter(
|
|
id=profile.id).exists():
|
|
return generic_message(request, _('Banned from submitting'),
|
|
_('You have been declared persona non grata for this problem. '
|
|
'You are permanently barred from submitting this problem.'))
|
|
|
|
with transaction.atomic():
|
|
if profile.current_contest is not None:
|
|
contest_id = profile.current_contest.contest_id
|
|
try:
|
|
contest_problem = form.cleaned_data['problem'].contests.get(contest_id=contest_id)
|
|
except ContestProblem.DoesNotExist:
|
|
model = form.save()
|
|
else:
|
|
max_subs = contest_problem.max_submissions
|
|
if max_subs and get_contest_submission_count(problem, profile,
|
|
profile.current_contest.virtual) >= max_subs:
|
|
return generic_message(request, _('Too many submissions'),
|
|
_('You have exceeded the submission limit for this problem.'))
|
|
model = form.save()
|
|
model.contest_object_id = contest_id
|
|
|
|
contest = ContestSubmission(submission=model, problem=contest_problem,
|
|
participation=profile.current_contest)
|
|
contest.save()
|
|
else:
|
|
model = form.save()
|
|
|
|
# Create the SubmissionSource object
|
|
source = SubmissionSource(submission=model, source=form.cleaned_data['source'])
|
|
source.save()
|
|
profile.update_contest()
|
|
|
|
# Save a query
|
|
model.source = source
|
|
model.judge(rejudge=False)
|
|
|
|
return HttpResponseRedirect(reverse('submission_status', args=[str(model.id)]))
|
|
else:
|
|
form_data = form.cleaned_data
|
|
if submission is not None:
|
|
sub = get_object_or_404(Submission, id=int(submission))
|
|
|
|
if 'problem' not in form_data:
|
|
return HttpResponseBadRequest()
|
|
else:
|
|
initial = {'language': profile.language}
|
|
if problem is not None:
|
|
initial['problem'] = get_object_or_404(Problem, code=problem)
|
|
problem_object = initial['problem']
|
|
if not problem_object.is_accessible_by(request.user):
|
|
raise Http404()
|
|
if submission is not None:
|
|
try:
|
|
sub = get_object_or_404(Submission.objects.select_related('source', 'language'), id=int(submission))
|
|
initial['source'] = sub.source.source
|
|
initial['language'] = sub.language
|
|
except ValueError:
|
|
raise Http404()
|
|
form = ProblemSubmitForm(initial=initial)
|
|
form_data = initial
|
|
if 'problem' in form_data:
|
|
form.fields['language'].queryset = (
|
|
form_data['problem'].usable_languages.order_by('name', 'key')
|
|
.prefetch_related(Prefetch('runtimeversion_set', RuntimeVersion.objects.order_by('priority')))
|
|
)
|
|
problem_object = form_data['problem']
|
|
if 'language' in form_data:
|
|
form.fields['source'].widget.mode = form_data['language'].ace
|
|
form.fields['source'].widget.theme = profile.ace_theme
|
|
|
|
if submission is not None:
|
|
default_lang = sub.language
|
|
else:
|
|
default_lang = request.profile.language
|
|
|
|
submission_limit = submissions_left = None
|
|
if profile.current_contest is not None:
|
|
try:
|
|
submission_limit = problem_object.contests.get(contest=profile.current_contest.contest).max_submissions
|
|
except ContestProblem.DoesNotExist:
|
|
pass
|
|
else:
|
|
if submission_limit:
|
|
submissions_left = submission_limit - get_contest_submission_count(problem, profile,
|
|
profile.current_contest.virtual)
|
|
return render(request, 'problem/submit.html', {
|
|
'form': form,
|
|
'title': _('Submit to %(problem)s') % {
|
|
'problem': problem_object.translated_name(request.LANGUAGE_CODE),
|
|
},
|
|
'content_title': mark_safe(escape(_('Submit to %(problem)s')) % {
|
|
'problem': format_html('<a href="{0}">{1}</a>',
|
|
reverse('problem_detail', args=[problem_object.code]),
|
|
problem_object.translated_name(request.LANGUAGE_CODE)),
|
|
}),
|
|
'langs': Language.objects.all(),
|
|
'no_judges': not form.fields['language'].queryset,
|
|
'submission_limit': submission_limit,
|
|
'submissions_left': submissions_left,
|
|
'ACE_URL': settings.ACE_URL,
|
|
|
|
'default_lang': default_lang,
|
|
})
|
|
|
|
|
|
class ProblemClone(ProblemMixin, PermissionRequiredMixin, TitleMixin, SingleObjectFormView):
|
|
title = _('Clone Problem')
|
|
template_name = 'problem/clone.html'
|
|
form_class = ProblemCloneForm
|
|
permission_required = 'judge.clone_problem'
|
|
|
|
def form_valid(self, form):
|
|
problem = self.object
|
|
|
|
languages = problem.allowed_languages.all()
|
|
language_limits = problem.language_limits.all()
|
|
types = problem.types.all()
|
|
problem.pk = None
|
|
problem.is_public = False
|
|
problem.ac_rate = 0
|
|
problem.user_count = 0
|
|
problem.code = form.cleaned_data['code']
|
|
problem.save()
|
|
problem.authors.add(self.request.profile)
|
|
problem.allowed_languages.set(languages)
|
|
problem.language_limits.set(language_limits)
|
|
problem.types.set(types)
|
|
|
|
return HttpResponseRedirect(reverse('admin:judge_problem_change', args=(problem.id,)))
|