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This commit is contained in:
virusdefender
2016-09-25 14:07:45 +08:00
parent 38d6bf3427
commit 61ab910d53
219 changed files with 384 additions and 10351 deletions
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0
contest/__init__.py
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113
contest/decorators.py
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@@ -1,113 +0,0 @@
# coding=utf-8
import urllib
from functools import wraps
from django.http import HttpResponse, HttpResponseRedirect
from django.shortcuts import render
from django.core.urlresolvers import reverse
from utils.shortcuts import error_response, error_page
from account.models import SUPER_ADMIN, ADMIN
from .models import (Contest, PASSWORD_PROTECTED_CONTEST, PASSWORD_PROTECTED_GROUP_CONTEST, PUBLIC_CONTEST, GROUP_CONTEST,
CONTEST_ENDED, CONTEST_NOT_START, CONTEST_UNDERWAY)
def check_user_contest_permission(func):
@wraps(func)
def _check_user_contest_permission(*args, **kwargs):
"""
这个函数检查当前的这个比赛对于 request 的用户来说能不能参加
需要比较：比赛的开始和结束时间、比赛是否有密码、比赛是不是限定指定小组参加
如果是有密码或者限定指定小组参加的话，即使比赛已经结束，那么也是可以看到所有的题目和结果的
否则不能看到这个比赛的题目结果排名等等
"""
# CBV 的情况，第一个参数是self，第二个参数是request
if len(args) == 2:
request = args[-1]
else:
request = args[0]
if not request.user.is_authenticated():
if request.is_ajax():
return error_response(u"请先登录")
else:
return HttpResponseRedirect("/login/?__from=" + urllib.quote(request.path))
# kwargs 就包含了 url 里面的参数
if "contest_id" in kwargs:
contest_id = kwargs["contest_id"]
elif "contest_id" in request.data:
contest_id = request.data["contest_id"]
elif "contest_id" in request.GET:
contest_id = request.GET["contest_id"]
else:
if request.is_ajax():
return error_response(u"参数错误")
else:
return error_page(request, u"参数错误")
try:
contest = Contest.objects.get(id=contest_id)
except Contest.DoesNotExist:
if request.is_ajax():
return error_response(u"比赛不存在")
else:
return error_page(request, u"比赛不存在")
if request.user.admin_type == SUPER_ADMIN or request.user == contest.created_by:
return func(*args, **kwargs)
if request.user.admin_type == ADMIN:
contest_set = Contest.objects.filter(groups__in=request.user.managed_groups.all())
if contest in contest_set:
return func(*args, **kwargs)
# 管理员可见隐藏的比赛，已经先判断了身份
if not contest.visible:
if request.is_ajax():
return error_response(u"比赛不存在")
else:
return error_page(request, u"比赛不存在")
# 有密码的公开赛
if contest.contest_type == PASSWORD_PROTECTED_CONTEST:
# 没有输入过密码
if contest.id not in request.session.get("contests", []):
if request.is_ajax():
return error_response(u"请先输入密码")
else:
return render(request, "oj/contest/no_contest_permission.html",
{"reason": "password_protect", "show_tab": False, "contest": contest})
# 指定小组参加的
if contest.contest_type == GROUP_CONTEST:
if not contest.groups.filter(id__in=request.user.group_set.all()).exists():
if request.is_ajax():
return error_response(u"只有指定小组的可以参加这场比赛")
else:
return render(request, "oj/contest/no_contest_permission.html",
{"reason": "group_limited", "show_tab": False, "contest": contest})
if contest.contest_type == PASSWORD_PROTECTED_GROUP_CONTEST:
if not contest.groups.filter(id__in=request.user.group_set.all()).exists():
if contest.id not in request.session.get("contests", []):
if request.is_ajax():
return error_response(u"请先输入密码")
else:
return render(request, "oj/contest/no_contest_permission.html",
{"reason": "password_protect", "show_tab": False, "contest": contest})
# 比赛没有开始
if contest.status == CONTEST_NOT_START:
if request.is_ajax():
return error_response(u"比赛还没有开始")
else:
return render(request, "oj/contest/no_contest_permission.html",
{"reason": "contest_not_start", "show_tab": False, "contest": contest})
# 比赛已经结束了，只拦截 ajax 的答案提交
if contest.status == CONTEST_ENDED and request.path == reverse("contest_submission_api") and request.is_ajax():
return error_response(u"比赛已经结束")
return func(*args, **kwargs)
return _check_user_contest_permission

74
contest/migrations/0001_initial.py
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@@ -1,74 +0,0 @@
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.db import models, migrations
from django.conf import settings
class Migration(migrations.Migration):
dependencies = [
migrations.swappable_dependency(settings.AUTH_USER_MODEL),
('group', '0004_merge'),
]
operations = [
migrations.CreateModel(
name='Contest',
fields=[
('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
('title', models.CharField(unique=True, max_length=40)),
('description', models.TextField()),
('mode', models.IntegerField()),
('show_rank', models.BooleanField()),
('show_user_submission', models.BooleanField()),
('password', models.CharField(max_length=30, null=True, blank=True)),
('contest_type', models.IntegerField()),
('start_time', models.DateTimeField()),
('end_time', models.DateTimeField()),
('create_time', models.DateTimeField(auto_now_add=True)),
('last_updated_time', models.DateTimeField(auto_now=True)),
('created_by', models.ForeignKey(to=settings.AUTH_USER_MODEL)),
('groups', models.ManyToManyField(to='group.Group')),
],
options={
'db_table': 'contest',
},
),
migrations.CreateModel(
name='ContestProblem',
fields=[
('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
('title', models.CharField(max_length=50)),
('description', models.TextField()),
('input_description', models.CharField(max_length=10000)),
('output_description', models.CharField(max_length=10000)),
('samples', models.TextField(blank=True)),
('test_case_id', models.CharField(max_length=40)),
('hint', models.TextField(null=True, blank=True)),
('create_time', models.DateTimeField(auto_now_add=True)),
('time_limit', models.IntegerField()),
('memory_limit', models.IntegerField()),
('visible', models.BooleanField(default=True)),
('total_submit_number', models.IntegerField(default=0)),
('total_accepted_number', models.IntegerField(default=0)),
('sort_index', models.CharField(max_length=30)),
('contest', models.ForeignKey(to='contest.Contest')),
('created_by', models.ForeignKey(to=settings.AUTH_USER_MODEL)),
],
options={
'db_table': 'contest_problem',
},
),
migrations.CreateModel(
name='ContestProblemTestCase',
fields=[
('id', models.CharField(max_length=40, serialize=False, primary_key=True, db_index=True)),
('score', models.IntegerField()),
('problem', models.ForeignKey(to='contest.ContestProblem')),
],
options={
'db_table': 'contest_problem_test_case',
},
),
]

19
contest/migrations/0002_contest_visible.py
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@@ -1,19 +0,0 @@
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.db import models, migrations
class Migration(migrations.Migration):
dependencies = [
('contest', '0001_initial'),
]
operations = [
migrations.AddField(
model_name='contest',
name='visible',
field=models.BooleanField(default=True),
),
]

20
contest/migrations/0003_contestproblem_difficulty.py
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@@ -1,20 +0,0 @@
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.db import models, migrations
class Migration(migrations.Migration):
dependencies = [
('contest', '0002_contest_visible'),
]
operations = [
migrations.AddField(
model_name='contestproblem',
name='difficulty',
field=models.IntegerField(default=1),
preserve_default=False,
),
]

18
contest/migrations/0004_remove_contestproblem_difficulty.py
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@@ -1,18 +0,0 @@
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.db import models, migrations
class Migration(migrations.Migration):
dependencies = [
('contest', '0003_contestproblem_difficulty'),
]
operations = [
migrations.RemoveField(
model_name='contestproblem',
name='difficulty',
),
]

19
contest/migrations/0005_contestproblem_score.py
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@@ -1,19 +0,0 @@
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.db import models, migrations
class Migration(migrations.Migration):
dependencies = [
('contest', '0004_remove_contestproblem_difficulty'),
]
operations = [
migrations.AddField(
model_name='contestproblem',
name='score',
field=models.IntegerField(default=0),
),
]

31
contest/migrations/0005_contestsubmission.py
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@@ -1,31 +0,0 @@
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.db import models, migrations
from django.conf import settings
class Migration(migrations.Migration):
dependencies = [
migrations.swappable_dependency(settings.AUTH_USER_MODEL),
('contest', '0004_remove_contestproblem_difficulty'),
]
operations = [
migrations.CreateModel(
name='ContestSubmission',
fields=[
('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
('total_submission_number', models.IntegerField(default=1)),
('ac', models.BooleanField()),
('total_time', models.IntegerField(default=0)),
('contest', models.ForeignKey(to='contest.Contest')),
('problem', models.ForeignKey(to='contest.ContestProblem')),
('user', models.ForeignKey(to=settings.AUTH_USER_MODEL)),
],
options={
'db_table': 'contest_submission',
},
),
]

15
contest/migrations/0006_merge.py
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@@ -1,15 +0,0 @@
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.db import models, migrations
class Migration(migrations.Migration):
dependencies = [
('contest', '0005_contestsubmission'),
('contest', '0005_contestproblem_score'),
]
operations = [
]

19
contest/migrations/0007_contestsubmission_ac_time.py
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@@ -1,19 +0,0 @@
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.db import models, migrations
class Migration(migrations.Migration):
dependencies = [
('contest', '0006_merge'),
]
operations = [
migrations.AddField(
model_name='contestsubmission',
name='ac_time',
field=models.IntegerField(default=0),
),
]

19
contest/migrations/0008_auto_20150912_1912.py
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@@ -1,19 +0,0 @@
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.db import models, migrations
class Migration(migrations.Migration):
dependencies = [
('contest', '0007_contestsubmission_ac_time'),
]
operations = [
migrations.RenameField(
model_name='contest',
old_name='show_rank',
new_name='real_time_rank',
),
]

19
contest/migrations/0009_contestsubmission_first_achieved.py
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@@ -1,19 +0,0 @@
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.db import models, migrations
class Migration(migrations.Migration):
dependencies = [
('contest', '0008_auto_20150912_1912'),
]
operations = [
migrations.AddField(
model_name='contestsubmission',
name='first_achieved',
field=models.BooleanField(default=False),
),
]

25
contest/migrations/0010_auto_20150922_1703.py
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@@ -1,25 +0,0 @@
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.db import models, migrations
import utils.models
class Migration(migrations.Migration):
dependencies = [
('contest', '0009_contestsubmission_first_achieved'),
]
operations = [
migrations.AlterField(
model_name='contest',
name='description',
field=utils.models.RichTextField(),
),
migrations.AlterField(
model_name='contestproblem',
name='description',
field=utils.models.RichTextField(),
),
]

29
contest/migrations/0011_contestrank.py
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@@ -1,29 +0,0 @@
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.db import models, migrations
from django.conf import settings
import utils.models
class Migration(migrations.Migration):
dependencies = [
migrations.swappable_dependency(settings.AUTH_USER_MODEL),
('contest', '0010_auto_20150922_1703'),
]
operations = [
migrations.CreateModel(
name='ContestRank',
fields=[
('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
('total_submission_number', models.IntegerField(default=0)),
('total_ac_number', models.IntegerField(default=0)),
('total_time', models.IntegerField(default=0)),
('submission_info', utils.models.JsonField(default={})),
('contest', models.ForeignKey(to='contest.Contest')),
('user', models.ForeignKey(to=settings.AUTH_USER_MODEL)),
],
),
]

24
contest/migrations/0012_auto_20151008_1124.py
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@@ -1,24 +0,0 @@
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.db import models, migrations
import jsonfield.fields
class Migration(migrations.Migration):
dependencies = [
('contest', '0011_contestrank'),
]
operations = [
migrations.AlterField(
model_name='contestrank',
name='submission_info',
field=jsonfield.fields.JSONField(default={}),
),
migrations.AlterModelTable(
name='contestrank',
table='contest_rank',
),
]

64
contest/migrations/0013_auto_20151017_1511.py
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@@ -1,64 +0,0 @@
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.db import models, migrations
import utils.models
class Migration(migrations.Migration):
dependencies = [
('contest', '0012_auto_20151008_1124'),
]
operations = [
migrations.RemoveField(
model_name='contestproblemtestcase',
name='problem',
),
migrations.RemoveField(
model_name='contestsubmission',
name='contest',
),
migrations.RemoveField(
model_name='contestsubmission',
name='problem',
),
migrations.RemoveField(
model_name='contestsubmission',
name='user',
),
migrations.RemoveField(
model_name='contest',
name='mode',
),
migrations.RemoveField(
model_name='contest',
name='show_user_submission',
),
migrations.RemoveField(
model_name='contestproblem',
name='score',
),
migrations.AddField(
model_name='contestproblem',
name='is_public',
field=models.BooleanField(default=False),
),
migrations.AddField(
model_name='contestproblem',
name='last_update_time',
field=models.DateTimeField(null=True, blank=True),
),
migrations.AlterField(
model_name='contestproblem',
name='hint',
field=utils.models.RichTextField(null=True, blank=True),
),
migrations.DeleteModel(
name='ContestProblemTestCase',
),
migrations.DeleteModel(
name='ContestSubmission',
),
]

30
contest/migrations/0014_auto_20160404_1509.py
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@@ -1,30 +0,0 @@
# -*- coding: utf-8 -*-
# Generated by Django 1.9.1 on 2016-04-04 07:09
from __future__ import unicode_literals
from django.db import migrations, models
class Migration(migrations.Migration):
dependencies = [
('contest', '0013_auto_20151017_1511'),
]
operations = [
migrations.AddField(
model_name='contestproblem',
name='spj',
field=models.BooleanField(default=False),
),
migrations.AddField(
model_name='contestproblem',
name='spj_code',
field=models.TextField(blank=True, null=True),
),
migrations.AddField(
model_name='contestproblem',
name='spj_code_language',
field=models.IntegerField(blank=True, null=True),
),
]

20
contest/migrations/0015_auto_20160404_1641.py
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@@ -1,20 +0,0 @@
# -*- coding: utf-8 -*-
# Generated by Django 1.9.1 on 2016-04-04 08:41
from __future__ import unicode_literals
from django.db import migrations
class Migration(migrations.Migration):
dependencies = [
('contest', '0014_auto_20160404_1509'),
]
operations = [
migrations.RenameField(
model_name='contestproblem',
old_name='spj_code_language',
new_name='spj_language',
),
]

20
contest/migrations/0016_contestproblem_spj_version.py
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@@ -1,20 +0,0 @@
# -*- coding: utf-8 -*-
# Generated by Django 1.9.1 on 2016-04-06 04:20
from __future__ import unicode_literals
from django.db import migrations, models
class Migration(migrations.Migration):
dependencies = [
('contest', '0015_auto_20160404_1641'),
]
operations = [
migrations.AddField(
model_name='contestproblem',
name='spj_version',
field=models.CharField(blank=True, max_length=32, null=True),
),
]

0
contest/migrations/__init__.py
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148
contest/models.py
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@@ -1,148 +0,0 @@
# coding=utf-8
import logging
from django.db import models
from django.utils.timezone import now
from account.models import User
from problem.models import AbstractProblem
from group.models import Group
from utils.models import RichTextField
from jsonfield import JSONField
from judge.result import result
GROUP_CONTEST = 0
PUBLIC_CONTEST = 1
PASSWORD_PROTECTED_CONTEST = 2
PASSWORD_PROTECTED_GROUP_CONTEST = 3
CONTEST_NOT_START = 1
CONTEST_ENDED = -1
CONTEST_UNDERWAY = 0
logger = logging.getLogger("app_info")
class Contest(models.Model):
title = models.CharField(max_length=40, unique=True)
description = RichTextField()
# 是否显示实时排名结果
real_time_rank = models.BooleanField()
# 只能超级管理员创建公开赛，管理员只能创建小组内部的比赛
# 如果这一项不为空，即为有密码的公开赛，没有密码的可以为小组赛或者是公开赛（此时用比赛的类型来表示）
password = models.CharField(max_length=30, blank=True, null=True)
# 比赛的类型： 0 即为是小组赛(GROUP_CONTEST)，1 即为是无密码的公开赛(PUBLIC_CONTEST)，
# 2 即为是有密码的公开赛(PASSWORD_PUBLIC_CONTEST)
contest_type = models.IntegerField()
# 开始时间
start_time = models.DateTimeField()
# 结束时间
end_time = models.DateTimeField()
# 创建时间
create_time = models.DateTimeField(auto_now_add=True)
# 最后修改时间
last_updated_time = models.DateTimeField(auto_now=True)
# 这个比赛是谁创建的
created_by = models.ForeignKey(User)
groups = models.ManyToManyField(Group)
# 是否可见 false的话相当于删除
visible = models.BooleanField(default=True)
@property
def status(self):
if self.start_time > now():
# 没有开始 返回1
return CONTEST_NOT_START
elif self.end_time < now():
# 已经结束 返回-1
return CONTEST_ENDED
else:
# 正在进行 返回0
return CONTEST_UNDERWAY
class Meta:
db_table = "contest"
class ContestProblem(AbstractProblem):
contest = models.ForeignKey(Contest)
# 比如A B 或者1 2 或者 a b 将按照这个排序
sort_index = models.CharField(max_length=30)
# 是否已经公开了题目，防止重复公开
is_public = models.BooleanField(default=False)
class Meta:
db_table = "contest_problem"
class ContestRank(models.Model):
user = models.ForeignKey(User)
contest = models.ForeignKey(Contest)
total_submission_number = models.IntegerField(default=0)
total_ac_number = models.IntegerField(default=0)
# ac 的题目才要加到这个字段里面 = ac 时间 + 错误次数 * 20 * 60
# 没有 ac 的题目不计算罚时 单位是秒
total_time = models.IntegerField(default=0)
# 数据结构{23: {"is_ac": True, "ac_time": 8999, "error_number": 2, "is_first_ac": True}}
# key 是比赛题目的id
submission_info = JSONField(default={})
class Meta:
db_table = "contest_rank"
def update_rank(self, submission):
if not submission.contest_id or submission.contest_id != self.contest_id:
raise ValueError("Error submission type")
if submission.result == result["system_error"]:
logger.warning("submission " + submission.id + " result is system error, update rank operation is ignored")
return
# 这道题以前提交过
if str(submission.problem_id) in self.submission_info:
info = self.submission_info[str(submission.problem_id)]
# 如果这道题目已经 ac 了就跳过
if info["is_ac"]:
return
self.total_submission_number += 1
if submission.result == result["accepted"]:
self.total_ac_number += 1
info["is_ac"] = True
info["ac_time"] = (submission.create_time - self.contest.start_time).total_seconds()
# 之前已经提交过，但是是错误的，这次提交是正确的。错误的题目不计入罚时
self.total_time += (info["ac_time"] + info["error_number"] * 20 * 60)
problem = ContestProblem.objects.get(id=submission.problem_id)
# 更新题目计数器在前 所以是1
if problem.total_accepted_number == 1:
info["is_first_ac"] = True
else:
info["error_number"] += 1
info["is_ac"] = False
else:
# 第一次提交这道题目
self.total_submission_number += 1
info = {"is_ac": False, "ac_time": 0, "error_number": 0, "is_first_ac": False}
if submission.result == result["accepted"]:
self.total_ac_number += 1
info["is_ac"] = True
info["ac_time"] = (submission.create_time - self.contest.start_time).total_seconds()
self.total_time += info["ac_time"]
problem = ContestProblem.objects.get(id=submission.problem_id)
if problem.total_accepted_number == 1:
info["is_first_ac"] = True
else:
info["is_ac"] = False
info["error_number"] = 1
self.submission_info[str(submission.problem_id)] = info
self.save()

119
contest/serializers.py
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@@ -1,119 +0,0 @@
# coding=utf-8
import json
from rest_framework import serializers
from django.utils import timezone
import datetime
from account.models import User
from account.serializers import UserSerializer
from .models import Contest, ContestProblem
class CreateContestSerializer(serializers.Serializer):
title = serializers.CharField(max_length=40)
description = serializers.CharField(max_length=5000)
contest_type = serializers.IntegerField()
real_time_rank = serializers.BooleanField()
password = serializers.CharField(max_length=30, required=False, default=None)
start_time = serializers.DateTimeField()
end_time = serializers.DateTimeField()
groups = serializers.ListField(child=serializers.IntegerField(), required=False, default=[])
visible = serializers.BooleanField()
class DateTimeLocal(serializers.DateTimeField):
def to_representation(self, value):
return timezone.localtime(value)
class ContestSerializer(serializers.ModelSerializer):
class UserSerializer(serializers.ModelSerializer):
class Meta:
model = User
fields = ["username"]
created_by = UserSerializer()
start_time = DateTimeLocal()
end_time = DateTimeLocal()
class Meta:
model = Contest
class EditContestSerializer(serializers.Serializer):
id = serializers.IntegerField()
title = serializers.CharField(max_length=40)
description = serializers.CharField(max_length=10000)
contest_type = serializers.IntegerField()
real_time_rank = serializers.BooleanField()
password = serializers.CharField(max_length=30, required=False, default=None)
start_time = serializers.DateTimeField()
end_time = serializers.DateTimeField()
groups = serializers.ListField(child=serializers.IntegerField(), required=False, default=[])
visible = serializers.BooleanField()
class ContestProblemSampleSerializer(serializers.ListField):
input = serializers.CharField(max_length=3000)
output = serializers.CharField(max_length=3000)
class JSONField(serializers.Field):
def to_representation(self, value):
return json.loads(value)
class CreateContestProblemSerializer(serializers.Serializer):
contest_id = serializers.IntegerField()
title = serializers.CharField(max_length=50)
description = serializers.CharField(max_length=10000)
input_description = serializers.CharField(max_length=10000)
output_description = serializers.CharField(max_length=10000)
# [{"input": "1 1", "output": "2"}]
samples = ContestProblemSampleSerializer()
test_case_id = serializers.CharField(max_length=40)
time_limit = serializers.IntegerField()
memory_limit = serializers.IntegerField()
spj = serializers.BooleanField()
spj_language = serializers.IntegerField(required=False, default=None)
spj_code = serializers.CharField(max_length=10000, required=False, default=None)
hint = serializers.CharField(max_length=3000, allow_blank=True)
score = serializers.IntegerField(required=False, default=0)
sort_index = serializers.CharField(max_length=30)
class ContestProblemSerializer(serializers.ModelSerializer):
class ContestSerializer(serializers.ModelSerializer):
class Meta:
model = Contest
fields = ["title", "id"]
samples = JSONField()
contest = ContestSerializer()
created_by = UserSerializer()
class Meta:
model = ContestProblem
class EditContestProblemSerializer(serializers.Serializer):
id = serializers.IntegerField()
title = serializers.CharField(max_length=50)
description = serializers.CharField(max_length=10000)
input_description = serializers.CharField(max_length=10000)
output_description = serializers.CharField(max_length=10000)
test_case_id = serializers.CharField(max_length=40)
time_limit = serializers.IntegerField()
memory_limit = serializers.IntegerField()
spj = serializers.BooleanField()
spj_language = serializers.IntegerField(required=False, default=None)
spj_code = serializers.CharField(max_length=10000, required=False, default=None)
samples = ContestProblemSampleSerializer()
hint = serializers.CharField(max_length=3000, allow_blank=True)
visible = serializers.BooleanField()
sort_index = serializers.CharField(max_length=30)
score = serializers.IntegerField(required=False, default=0)
class ContestPasswordVerifySerializer(serializers.Serializer):
contest_id = serializers.IntegerField()
password = serializers.CharField(max_length=30)

0
contest/tests.py
View File

612
contest/views.py
View File

@@ -1,612 +0,0 @@
# coding=utf-8
import json
import os
import datetime
import hashlib
from django.shortcuts import render
from django.db import IntegrityError
from django.utils import dateparse
from django.db.models import Q, Sum
from django.core.paginator import Paginator
from django.utils.timezone import now
from django.conf import settings
from rest_framework.views import APIView
from utils.shortcuts import (serializer_invalid_response, error_response,
success_response, paginate, error_page, paginate_data)
from account.models import SUPER_ADMIN, User
from account.decorators import login_required, super_admin_required
from group.models import Group, AdminGroupRelation, UserGroupRelation
from utils.cache import get_cache_redis
from submission.models import Submission
from problem.models import Problem
from .models import (Contest, ContestProblem, CONTEST_ENDED,
CONTEST_NOT_START, CONTEST_UNDERWAY, ContestRank)
from .models import GROUP_CONTEST, PUBLIC_CONTEST, PASSWORD_PROTECTED_CONTEST, PASSWORD_PROTECTED_GROUP_CONTEST
from .decorators import check_user_contest_permission
from .serializers import (CreateContestSerializer, ContestSerializer, EditContestSerializer,
CreateContestProblemSerializer, ContestProblemSerializer,
ContestPasswordVerifySerializer,
EditContestProblemSerializer)
class ContestAdminAPIView(APIView):
def post(self, request):
"""
比赛发布json api接口
---
request_serializer: CreateContestSerializer
response_serializer: ContestSerializer
"""
serializer = CreateContestSerializer(data=request.data)
if serializer.is_valid():
data = serializer.data
groups = []
# 首先判断比赛的类型： 0 即为是小组赛(GROUP_CONTEST)，1 即为是无密码的公开赛(PUBLIC_CONTEST)，
# 2 即为是有密码的公开赛(PASSWORD_PUBLIC_CONTEST)
# 此时为有密码的公开赛，并且此时只能超级管理员才有权限此创建比赛
if data["contest_type"] in [PUBLIC_CONTEST, PASSWORD_PROTECTED_CONTEST]:
if request.user.admin_type != SUPER_ADMIN:
return error_response(u"只有超级管理员才可创建公开赛")
if data["contest_type"] in [PASSWORD_PROTECTED_CONTEST, PASSWORD_PROTECTED_GROUP_CONTEST]:
if not data["password"]:
return error_response(u"此比赛为有密码的比赛，密码不可为空")
# 没有密码的公开赛 没有密码的小组赛
if data["contest_type"] == GROUP_CONTEST or data["contest_type"] == PASSWORD_PROTECTED_GROUP_CONTEST:
if request.user.admin_type == SUPER_ADMIN:
groups = Group.objects.filter(id__in=data["groups"])
else:
groups = Group.objects.filter(id__in=data["groups"], admin=request.user)
if not groups.count():
return error_response(u"请至少选择一个小组")
if data["start_time"] >= data["end_time"]:
return error_response(u"比赛的开始时间必须早于比赛结束的时间")
try:
contest = Contest.objects.create(title=data["title"], description=data["description"],
contest_type=data["contest_type"],
real_time_rank=data["real_time_rank"], password=data["password"],
start_time=dateparse.parse_datetime(data["start_time"]),
end_time=dateparse.parse_datetime(data["end_time"]),
created_by=request.user, visible=data["visible"])
except IntegrityError:
return error_response(u"比赛名已经存在")
contest.groups.add(*groups)
return success_response(ContestSerializer(contest).data)
else:
return serializer_invalid_response(serializer)
def put(self, request):
"""
比赛编辑json api接口
---
request_serializer: EditContestSerializer
response_serializer: ContestSerializer
"""
serializer = EditContestSerializer(data=request.data)
if serializer.is_valid():
data = serializer.data
groups = []
try:
# 超级管理员可以编辑所有的
contest = Contest.objects.get(id=data["id"])
if request.user.admin_type != SUPER_ADMIN:
contest_set = Contest.objects.filter(groups__in=request.user.managed_groups.all())
if contest not in contest_set:
return error_response(u"无权访问！")
except Contest.DoesNotExist:
return error_response(u"该比赛不存在！")
try:
contest = Contest.objects.get(title=data["title"])
if contest.id != data["id"]:
return error_response(u"该比赛名称已经存在")
except Contest.DoesNotExist:
pass
if data["contest_type"] in [PUBLIC_CONTEST, PASSWORD_PROTECTED_CONTEST]:
if request.user.admin_type != SUPER_ADMIN:
return error_response(u"只有超级管理员才可创建公开赛")
if data["contest_type"] == PASSWORD_PROTECTED_CONTEST:
if not data["password"]:
return error_response(u"此比赛为有密码的公开赛，密码不可为空")
elif data["contest_type"] in [GROUP_CONTEST, PASSWORD_PROTECTED_GROUP_CONTEST]:
if request.user.admin_type == SUPER_ADMIN:
groups = Group.objects.filter(id__in=data["groups"])
else:
groups = Group.objects.filter(id__in=data["groups"], admin=request.user)
if not groups.count():
return error_response(u"请至少选择一个小组")
if data["start_time"] >= data["end_time"]:
return error_response(u"比赛的开始时间必须早于比赛结束的时间")
# 之前是封榜，现在要开放，需要清除缓存
if contest.real_time_rank == False and data["real_time_rank"] == True:
r = get_cache_redis()
cache_key = str(contest.id) + "_rank_cache"
r.delete(cache_key)
contest.title = data["title"]
contest.description = data["description"]
contest.contest_type = data["contest_type"]
contest.real_time_rank = data["real_time_rank"]
contest.start_time = dateparse.parse_datetime(data["start_time"])
contest.end_time = dateparse.parse_datetime(data["end_time"])
contest.visible = data["visible"]
contest.password = data["password"]
contest.save()
contest.groups.clear()
contest.groups.add(*groups)
return success_response(ContestSerializer(contest).data)
else:
return serializer_invalid_response(serializer)
def get(self, request):
"""
比赛分页json api接口
---
response_serializer: ContestSerializer
"""
contest_id = request.GET.get("contest_id", None)
if contest_id:
try:
# 普通管理员只能获取自己创建的题目
# 超级管理员可以获取全部的题目
contest = Contest.objects.get(id=contest_id)
if request.user.admin_type != SUPER_ADMIN:
contest_set = Contest.objects.filter(groups__in=request.user.managed_groups.all())
if contest not in contest_set:
return error_response(u"比赛不存在")
return success_response(ContestSerializer(contest).data)
except Contest.DoesNotExist:
return error_response(u"比赛不存在")
if request.user.admin_type == SUPER_ADMIN:
contest = Contest.objects.all().order_by("-create_time")
else:
contest = Contest.objects.filter(groups__in=request.user.managed_groups.all()).distinct().order_by("-create_time")
visible = request.GET.get("visible", None)
if visible:
contest = contest.filter(visible=(visible == "true"))
keyword = request.GET.get("keyword", None)
if keyword:
contest = contest.filter(Q(title__contains=keyword) |
Q(description__contains=keyword))
return paginate(request, contest, ContestSerializer)
class ContestProblemAdminAPIView(APIView):
def _spj_version(self, code):
if code is None:
return None
return hashlib.md5(code.encode("utf-8")).hexdigest()
def post(self, request):
"""
比赛题目发布json api接口
---
request_serializer: CreateContestProblemSerializer
response_serializer: ContestProblemSerializer
"""
serializer = CreateContestProblemSerializer(data=request.data)
if serializer.is_valid():
data = serializer.data
try:
contest = Contest.objects.get(id=data["contest_id"])
if request.user.admin_type != SUPER_ADMIN:
contest_set = Contest.objects.filter(groups__in=request.user.managed_groups.all())
if contest not in contest_set:
return error_response(u"比赛不存在")
except Contest.DoesNotExist:
return error_response(u"比赛不存在")
contest_problem = ContestProblem.objects.create(title=data["title"],
description=data["description"],
input_description=data["input_description"],
output_description=data["output_description"],
test_case_id=data["test_case_id"],
samples=json.dumps(data["samples"]),
time_limit=data["time_limit"],
memory_limit=data["memory_limit"],
spj=data["spj"],
spj_language=data["spj_language"],
spj_code=data["spj_code"],
spj_version=self._spj_version(data["spj_code"]),
created_by=request.user,
hint=data["hint"],
contest=contest,
sort_index=data["sort_index"])
return success_response(ContestProblemSerializer(contest_problem).data)
else:
return serializer_invalid_response(serializer)
def put(self, request):
"""
比赛题目编辑json api接口
---
request_serializer: EditContestProblemSerializer
response_serializer: ContestProblemSerializer
"""
serializer = EditContestProblemSerializer(data=request.data)
if serializer.is_valid():
data = serializer.data
try:
contest_problem = ContestProblem.objects.get(id=data["id"])
except ContestProblem.DoesNotExist:
return error_response(u"该比赛题目不存在！")
contest = Contest.objects.get(id=contest_problem.contest_id)
if request.user.admin_type != SUPER_ADMIN and contest.created_by != request.user:
return error_response(u"比赛不存在")
contest_problem.title = data["title"]
contest_problem.description = data["description"]
contest_problem.input_description = data["input_description"]
contest_problem.output_description = data["output_description"]
contest_problem.test_case_id = data["test_case_id"]
contest_problem.time_limit = data["time_limit"]
contest_problem.memory_limit = data["memory_limit"]
contest_problem.spj = data["spj"]
contest_problem.spj_language = data["spj_language"]
contest_problem.spj_code = data["spj_code"]
contest_problem.spj_version = self._spj_version(data["spj_code"])
contest_problem.samples = json.dumps(data["samples"])
contest_problem.hint = data["hint"]
contest_problem.visible = data["visible"]
contest_problem.sort_index = data["sort_index"]
contest_problem.last_update_time = now()
contest_problem.save()
return success_response(ContestProblemSerializer(contest_problem).data)
else:
return serializer_invalid_response(serializer)
def get(self, request):
"""
比赛题目分页json api接口
---
response_serializer: ContestProblemSerializer
"""
contest_problem_id = request.GET.get("contest_problem_id", None)
if contest_problem_id:
try:
contest_problem = ContestProblem.objects.get(id=contest_problem_id)
if request.user.admin_type != SUPER_ADMIN and contest_problem.created_by != request.user:
return error_response(u"比赛题目不存在")
return success_response(ContestProblemSerializer(contest_problem).data)
except ContestProblem.DoesNotExist:
return error_response(u"比赛题目不存在")
contest_problems = ContestProblem.objects.all().order_by("sort_index")
if request.user.admin_type != SUPER_ADMIN:
contest_problems = contest_problems.filter(created_by=request.user).order_by("sort_index")
visible = request.GET.get("visible", None)
if visible:
contest_problems = contest_problems.filter(visible=(visible == "true"))
keyword = request.GET.get("keyword", None)
if keyword:
contest_problems = contest_problems.filter(Q(title__contains=keyword) |
Q(description__contains=keyword))
contest_id = request.GET.get("contest_id", None)
if contest_id:
contest_problems = contest_problems.filter(contest__id=contest_id).order_by("sort_index")
return paginate(request, contest_problems, ContestProblemSerializer)
class MakeContestProblemPublicAPIView(APIView):
@super_admin_required
def post(self, request):
problem_id = request.data.get("problem_id", -1)
try:
problem = ContestProblem.objects.get(id=problem_id, is_public=False)
if problem.contest.status != CONTEST_ENDED:
return error_response(u"比赛还没有结束，不能公开题目")
problem.is_public = True
problem.save()
except ContestProblem.DoesNotExist:
return error_response(u"比赛不存在")
Problem.objects.create(title=problem.title, description=problem.description,
input_description=problem.input_description,
output_description=problem.output_description,
samples=problem.samples,
test_case_id=problem.test_case_id,
hint=problem.hint, created_by=problem.created_by,
time_limit=problem.time_limit, memory_limit=problem.memory_limit,
visible=False, difficulty=-1, source=problem.contest.title)
problem.is_public = True
problem.save()
return success_response(u"创建成功")
class ContestPasswordVerifyAPIView(APIView):
@login_required
def post(self, request):
serializer = ContestPasswordVerifySerializer(data=request.data)
if serializer.is_valid():
data = request.data
try:
contest = Contest.objects.get(id=data["contest_id"], contest_type__in=[PASSWORD_PROTECTED_CONTEST,PASSWORD_PROTECTED_GROUP_CONTEST])
except Contest.DoesNotExist:
return error_response(u"比赛不存在")
if data["password"] != contest.password:
return error_response(u"密码错误")
else:
if "contests" not in request.session:
request.session["contests"] = []
request.session["contests"].append(int(data["contest_id"]))
# https://docs.djangoproject.com/en/dev/topics/http/sessions/#when-sessions-are-saved
request.session.modified = True
return success_response(True)
else:
return serializer_invalid_response(serializer)
@check_user_contest_permission
def contest_page(request, contest_id):
"""
单个比赛的详情页
"""
contest = Contest.objects.get(id=contest_id)
return render(request, "oj/contest/contest_index.html", {"contest": contest})
@check_user_contest_permission
def contest_problem_page(request, contest_id, contest_problem_id):
"""
单个比赛题目的详情页
"""
contest = Contest.objects.get(id=contest_id)
try:
problem = ContestProblem.objects.get(id=contest_problem_id, visible=True)
except ContestProblem.DoesNotExist:
return error_page(request, u"比赛题目不存在")
warning = u"您已经提交过本题的正确答案，重复提交可能造成时间累计。"
show_warning = False
try:
rank = ContestRank.objects.get(user=request.user, contest=contest)
# 提示已经 ac 过这道题了
show_warning = rank.submission_info.get(str(problem.id), {"is_ac": False})["is_ac"]
except ContestRank.DoesNotExist:
pass
# 已经结束
if contest.status == CONTEST_ENDED:
show_warning = True
warning = u"比赛已经结束"
elif contest.status == CONTEST_NOT_START:
show_warning = True
warning = u"比赛没有开始，您是管理员，可以提交和测试题目，但是目前的提交不会计入排名。"
show_submit_code_area = False
if contest.status == CONTEST_UNDERWAY or \
request.user.admin_type == SUPER_ADMIN or \
request.user == contest.created_by:
show_submit_code_area = True
else:
contest_set = Contest.objects.filter(groups__in=request.user.managed_groups.all())
if contest in contest_set:
show_submit_code_area = True
return render(request, "oj/problem/contest_problem.html", {"problem": problem,
"contest": contest,
"samples": json.loads(problem.samples),
"show_warning": show_warning,
"warning": warning,
"show_submit_code_area": show_submit_code_area})
@check_user_contest_permission
def contest_problems_list_page(request, contest_id):
"""
比赛所有题目的列表页
"""
contest = Contest.objects.get(id=contest_id)
contest_problems = ContestProblem.objects.filter(contest=contest, visible=True).select_related("contest").order_by("sort_index")
return render(request, "oj/contest/contest_problems_list.html", {"contest_problems": contest_problems,
"contest": {"id": contest_id}})
def contest_list_page(request, page=1):
"""
所有比赛的列表页
"""
# 正常情况
contests = Contest.objects.filter(visible=True).order_by("-create_time")
# 搜索的情况
keyword = request.GET.get("keyword", "").strip()
if keyword:
contests = contests.filter(Q(title__contains=keyword) | Q(description__contains=keyword))
# 筛选我能参加的比赛
join = request.GET.get("join", None)
if request.user.is_authenticated() and join:
contests = contests.filter(Q(contest_type__in=[1, 2]) | Q(groups__in=request.user.group_set.all())). \
filter(end_time__gt=datetime.datetime.now(), start_time__lt=datetime.datetime.now())
paginator = Paginator(contests, 20)
try:
current_page = paginator.page(int(page))
except Exception:
return error_page(request, u"不存在的页码")
previous_page = next_page = None
try:
previous_page = current_page.previous_page_number()
except Exception:
pass
try:
next_page = current_page.next_page_number()
except Exception:
pass
return render(request, "oj/contest/contest_list.html",
{"contests": current_page, "page": int(page),
"previous_page": previous_page, "next_page": next_page,
"keyword": keyword, "join": join})
def _get_rank(contest_id):
rank = ContestRank.objects.filter(contest_id=contest_id). \
select_related("user"). \
order_by("-total_ac_number", "total_time"). \
values("id", "user__id", "user__username", "user__real_name", "user__userprofile__student_id",
"contest_id", "submission_info", "total_submission_number", "total_ac_number", "total_time")
rank_number = 1
for item in rank:
# 只有有ac的题目而且不是打星的队伍才参与排名
if item["total_ac_number"] > 0 and item["user__username"][0] != "*":
item["rank_number"] = rank_number
rank_number += 1
return rank
@check_user_contest_permission
def contest_rank_page(request, contest_id):
contest = Contest.objects.get(id=contest_id)
contest_problems = ContestProblem.objects.filter(contest=contest, visible=True).order_by("sort_index")
force_real_time_rank = False
if request.GET.get("force_real_time_rank") == "true" and (request.user.admin_type == SUPER_ADMIN or request.user == contest.created_by):
rank = _get_rank(contest_id)
force_real_time_rank = True
else:
r = get_cache_redis()
cache_key = str(contest_id) + "_rank_cache"
rank = r.get(cache_key)
if not rank:
rank = _get_rank(contest_id)
r.set(cache_key, json.dumps([dict(item) for item in rank]))
else:
rank = json.loads(rank)
# 2016-05-19 增加了缓存项目,以前的缓存主动失效
if rank and "rank_number" not in rank[0]:
rank = _get_rank(contest_id)
r.set(cache_key, json.dumps([dict(item) for item in rank]))
return render(request, "oj/contest/contest_rank.html",
{"rank": rank, "contest": contest,
"contest_problems": contest_problems,
"auto_refresh": request.GET.get("auto_refresh", None) == "true",
"show_real_name": request.GET.get("show_real_name", None) == "true",
"force_real_time_rank": force_real_time_rank})
class ContestTimeAPIView(APIView):
"""
获取比赛开始或者结束的倒计时，返回毫秒数字
"""
def get(self, request):
contest_id = request.GET.get("contest_id", -1)
try:
contest = Contest.objects.get(id=contest_id)
except Contest.DoesNotExist:
return error_response(u"比赛不存在")
return success_response({"start": int((contest.start_time - now()).total_seconds() * 1000),
"end": int((contest.end_time - now()).total_seconds() * 1000),
"status": contest.status})
@login_required
def contest_problem_my_submissions_list_page(request, contest_id, contest_problem_id):
"""
我比赛单个题目的所有提交列表
"""
try:
Contest.objects.get(id=contest_id)
except Contest.DoesNotExist:
return error_page(request, u"比赛不存在")
try:
contest_problem = ContestProblem.objects.get(id=contest_problem_id, visible=True)
except ContestProblem.DoesNotExist:
return error_page(request, u"比赛问题不存在")
submissions = Submission.objects.filter(user_id=request.user.id, problem_id=contest_problem.id, contest_id=contest_id). \
order_by("-create_time"). \
values("id", "result", "create_time", "accepted_answer_time", "language")
return render(request, "oj/submission/problem_my_submissions_list.html",
{"submissions": submissions, "problem": contest_problem})
@check_user_contest_permission
def contest_problem_submissions_list_page(request, contest_id, page=1):
"""
单个比赛中的所有提交（包含自己和别人，自己可查提交结果，其他人不可查）
"""
try:
contest = Contest.objects.get(id=contest_id)
except Contest.DoesNotExist:
return error_page(request, u"比赛不存在")
submissions = Submission.objects.filter(contest_id=contest_id). \
values("id", "contest_id", "problem_id", "result", "create_time",
"accepted_answer_time", "language", "user_id").order_by("-create_time")
# 如果比赛已经开始，就不再显示之前测试题目的提交
if contest.status != CONTEST_NOT_START:
submissions = submissions.filter(create_time__gte=contest.start_time)
user_id = request.GET.get("user_id", None)
if user_id:
submissions = submissions.filter(user_id=request.GET.get("user_id"))
problem_id = request.GET.get("problem_id", None)
if problem_id:
submissions = submissions.filter(problem_id=problem_id)
# 封榜的时候只能看到自己的提交
if not contest.real_time_rank:
if not (request.user.admin_type == SUPER_ADMIN or request.user == contest.created_by):
submissions = submissions.filter(user_id=request.user.id)
language = request.GET.get("language", None)
filter = None
if language:
submissions = submissions.filter(language=int(language))
filter = {"name": "language", "content": language}
result = request.GET.get("result", None)
if result:
submissions = submissions.filter(result=int(result))
filter = {"name": "result", "content": result}
paginator = Paginator(submissions, 20)
try:
submissions = paginator.page(int(page))
except Exception:
return error_page(request, u"不存在的页码")
# 为查询题目标题创建新字典
title = {}
contest_problems = ContestProblem.objects.filter(contest=contest)
for item in contest_problems:
title[item.id] = item.title
for item in submissions:
item['title'] = title[item['problem_id']]
previous_page = next_page = None
try:
previous_page = submissions.previous_page_number()
except Exception:
pass
try:
next_page = submissions.next_page_number()
except Exception:
pass
for item in submissions:
# 自己提交的 管理员和创建比赛的可以看到所有的提交链接
if item["user_id"] == request.user.id or request.user.admin_type == SUPER_ADMIN or \
request.user == contest.created_by:
item["show_link"] = True
else:
item["show_link"] = False
return render(request, "oj/contest/submissions_list.html",
{"submissions": submissions, "page": int(page),
"previous_page": previous_page, "next_page": next_page, "start_id": int(page) * 20 - 20,
"contest": contest, "filter": filter, "user_id": user_id, "problem_id": problem_id})