79 lines
3.1 KiB
Python
79 lines
3.1 KiB
Python
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"]
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class RankedSubmissions(ProblemSubmissions):
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tab = "best_submissions_list"
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page_type = "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 = (
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super(RankedSubmissions, self)
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.get_queryset()
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.filter(user__is_unlisted=False)
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)
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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(
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points=points, contest_join=contest_join, constraint=constraint
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),
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params=[self.problem.id, self.contest.id] * 3
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if self.in_contest
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else [self.problem.id] * 3,
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alias="best_subs",
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join_fields=[("id", "id")],
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related_model=Submission,
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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(
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_('Best solutions for <a href="{1}">{0}</a>'),
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self.problem_name,
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reverse("problem_detail", args=[self.problem.code]),
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)
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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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