90 lines
4.2 KiB
Python
90 lines
4.2 KiB
Python
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from django.urls import reverse
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from django.utils.html import format_html
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from django.utils.translation import gettext as _
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from judge.models import Submission
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from judge.utils.problems import get_result_data
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from judge.utils.raw_sql import join_sql_subquery
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from judge.views.submission import ForceContestMixin, ProblemSubmissions
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__all__ = ['RankedSubmissions', 'ContestRankedSubmission']
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class RankedSubmissions(ProblemSubmissions):
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tab = 'best_submissions_list'
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dynamic_update = False
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def get_queryset(self):
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if self.in_contest:
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contest_join = '''INNER JOIN judge_contestsubmission AS cs ON (sub.id = cs.submission_id)
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INNER JOIN judge_contestparticipation AS cp ON (cs.participation_id = cp.id)'''
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points = 'cs.points'
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constraint = 'AND cp.contest_id = %s'
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else:
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contest_join = ''
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points = 'sub.points'
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constraint = ''
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queryset = super(RankedSubmissions, self).get_queryset().filter(user__is_unlisted=False)
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join_sql_subquery(
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queryset,
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subquery='''
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SELECT sub.id AS id
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FROM (
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SELECT sub.user_id AS uid, MAX(sub.points) AS points
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FROM judge_submission AS sub {contest_join}
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WHERE sub.problem_id = %s AND {points} > 0 {constraint}
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GROUP BY sub.user_id
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) AS highscore STRAIGHT_JOIN (
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SELECT sub.user_id AS uid, sub.points, MIN(sub.time) as time
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FROM judge_submission AS sub {contest_join}
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WHERE sub.problem_id = %s AND {points} > 0 {constraint}
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GROUP BY sub.user_id, {points}
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) AS fastest ON (highscore.uid = fastest.uid AND highscore.points = fastest.points)
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STRAIGHT_JOIN judge_submission AS sub
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ON (sub.user_id = fastest.uid AND sub.time = fastest.time) {contest_join}
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WHERE sub.problem_id = %s AND {points} > 0 {constraint}
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GROUP BY sub.user_id
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'''.format(points=points, contest_join=contest_join, constraint=constraint),
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params=[self.problem.id, self.contest.id] * 3 if self.in_contest else [self.problem.id] * 3,
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alias='best_subs', join_fields=[('id', 'id')],
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)
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if self.in_contest:
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return queryset.order_by('-contest__points', 'time')
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else:
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return queryset.order_by('-points', 'time')
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def get_title(self):
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return _('Best solutions for %s') % self.problem_name
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def get_content_title(self):
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return format_html(_('Best solutions for <a href="{1}">{0}</a>'), self.problem_name,
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reverse('problem_detail', args=[self.problem.code]))
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def _get_result_data(self):
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return get_result_data(super(RankedSubmissions, self).get_queryset().order_by())
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class ContestRankedSubmission(ForceContestMixin, RankedSubmissions):
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def get_title(self):
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if self.problem.is_accessible_by(self.request.user):
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return _('Best solutions for %(problem)s in %(contest)s') % {
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'problem': self.problem_name, 'contest': self.contest.name,
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}
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return _('Best solutions for problem %(number)s in %(contest)s') % {
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'number': self.get_problem_number(self.problem), 'contest': self.contest.name,
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}
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def get_content_title(self):
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if self.problem.is_accessible_by(self.request.user):
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return format_html(_('Best solutions for <a href="{1}">{0}</a> in <a href="{3}">{2}</a>'),
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self.problem_name, reverse('problem_detail', args=[self.problem.code]),
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self.contest.name, reverse('contest_view', args=[self.contest.key]))
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return format_html(_('Best solutions for problem {0} in <a href="{2}">{1}</a>'),
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self.get_problem_number(self.problem), self.contest.name,
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reverse('contest_view', args=[self.contest.key]))
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def _get_result_data(self):
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return get_result_data(Submission.objects.filter(
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problem_id=self.problem.id, contest__participation__contest_id=self.contest.id))
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