NDOJ/judge/contest_format/ecoo.py

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2020-01-21 06:35:58 +00:00
from datetime import timedelta
from django.core.exceptions import ValidationError
from django.db import connection
from django.template.defaultfilters import floatformat
from django.urls import reverse
from django.utils.html import format_html
from django.utils.safestring import mark_safe
from django.utils.translation import gettext_lazy
from judge.contest_format.default import DefaultContestFormat
from judge.contest_format.registry import register_contest_format
from judge.timezone import from_database_time
from judge.utils.timedelta import nice_repr
@register_contest_format('ecoo')
class ECOOContestFormat(DefaultContestFormat):
name = gettext_lazy('ECOO')
config_defaults = {'cumtime': False, 'first_ac_bonus': 10, 'time_bonus': 5}
config_validators = {'cumtime': lambda x: True, 'first_ac_bonus': lambda x: x >= 0, 'time_bonus': lambda x: x >= 0}
'''
cumtime: Specify True if cumulative time is to be used in breaking ties. Defaults to False.
first_ac_bonus: The number of points to award if a solution gets AC on its first non-IE/CE run. Defaults to 10.
time_bonus: Number of minutes to award an extra point for submitting before the contest end.
Specify 0 to disable. Defaults to 5.
'''
@classmethod
def validate(cls, config):
if config is None:
return
if not isinstance(config, dict):
raise ValidationError('ECOO-styled contest expects no config or dict as config')
for key, value in config.items():
if key not in cls.config_defaults:
raise ValidationError('unknown config key "%s"' % key)
if not isinstance(value, type(cls.config_defaults[key])):
raise ValidationError('invalid type for config key "%s"' % key)
if not cls.config_validators[key](value):
raise ValidationError('invalid value "%s" for config key "%s"' % (value, key))
def __init__(self, contest, config):
self.config = self.config_defaults.copy()
self.config.update(config or {})
self.contest = contest
def update_participation(self, participation):
cumtime = 0
points = 0
format_data = {}
with connection.cursor() as cursor:
cursor.execute('''
SELECT (
SELECT MAX(ccs.points)
FROM judge_contestsubmission ccs LEFT OUTER JOIN
judge_submission csub ON (csub.id = ccs.submission_id)
WHERE ccs.problem_id = cp.id AND ccs.participation_id = %s AND csub.date = MAX(sub.date)
) AS `score`, MAX(sub.date) AS `time`, cp.id AS `prob`, (
SELECT COUNT(ccs.id)
FROM judge_contestsubmission ccs LEFT OUTER JOIN
judge_submission csub ON (csub.id = ccs.submission_id)
WHERE ccs.problem_id = cp.id AND ccs.participation_id = %s AND csub.result NOT IN ('IE', 'CE')
) AS `subs`, cp.points AS `max_score`
FROM judge_contestproblem cp INNER JOIN
judge_contestsubmission cs ON (cs.problem_id = cp.id AND cs.participation_id = %s) LEFT OUTER JOIN
judge_submission sub ON (sub.id = cs.submission_id)
GROUP BY cp.id
''', (participation.id, participation.id, participation.id))
for score, time, prob, subs, max_score in cursor.fetchall():
time = from_database_time(time)
dt = (time - participation.start).total_seconds()
if self.config['cumtime']:
cumtime += dt
bonus = 0
if score > 0:
# First AC bonus
if subs == 1 and score == max_score:
bonus += self.config['first_ac_bonus']
# Time bonus
if self.config['time_bonus']:
bonus += (participation.end_time - time).total_seconds() // 60 // self.config['time_bonus']
points += bonus
format_data[str(prob)] = {'time': dt, 'points': score, 'bonus': bonus}
points += score
participation.cumtime = cumtime
participation.score = points
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participation.tiebreaker = 0
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participation.format_data = format_data
participation.save()
def display_user_problem(self, participation, contest_problem):
format_data = (participation.format_data or {}).get(str(contest_problem.id))
if format_data:
bonus = format_html('<small> +{bonus}</small>',
bonus=floatformat(format_data['bonus'])) if format_data['bonus'] else ''
return format_html(
'<td class="{state}"><a href="{url}">{points}{bonus}<div class="solving-time">{time}</div></a></td>',
state=(('pretest-' if self.contest.run_pretests_only and contest_problem.is_pretested else '') +
self.best_solution_state(format_data['points'], contest_problem.points)),
url=reverse('contest_user_submissions',
args=[self.contest.key, participation.user.user.username, contest_problem.problem.code]),
points=floatformat(format_data['points']),
bonus=bonus,
time=nice_repr(timedelta(seconds=format_data['time']), 'noday'),
)
else:
return mark_safe('<td></td>')
def display_participation_result(self, participation):
return format_html(
'<td class="user-points">{points}<div class="solving-time">{cumtime}</div></td>',
points=floatformat(participation.score),
cumtime=nice_repr(timedelta(seconds=participation.cumtime), 'noday') if self.config['cumtime'] else '',
)