算法评测平台前端。
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/*
* This file is part of SYZOJ.
*
* Copyright (c) 2016 Menci <huanghaorui301@gmail.com>
*
* SYZOJ is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* SYZOJ is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with SYZOJ. If not, see <http://www.gnu.org/licenses/>.
*/
'use strict';
let Contest = syzoj.model('contest');
let ContestRanklist = syzoj.model('contest_ranklist');
let ContestPlayer = syzoj.model('contest_player');
let Problem = syzoj.model('problem');
let JudgeState = syzoj.model('judge_state');
let User = syzoj.model('user');
app.get('/contests', async (req, res) => {
try {
let where;
if (res.locals.user && await res.locals.user.is_admin) where = {}
else where = { is_public: true };
let paginate = syzoj.utils.paginate(await Contest.count(where), req.query.page, syzoj.config.page.contest);
let contests = await Contest.query(paginate, where, [['start_time', 'desc']]);
await contests.forEachAsync(async x => x.subtitle = await syzoj.utils.markdown(x.subtitle));
res.render('contests', {
contests: contests,
paginate: paginate
})
} catch (e) {
syzoj.log(e);
res.render('error', {
err: e
});
}
});
app.get('/contest/:id/edit', async (req, res) => {
try {
if (!res.locals.user || !res.locals.user.is_admin) throw new ErrorMessage('您没有权限进行此操作。');
let contest_id = parseInt(req.params.id);
let contest = await Contest.fromID(contest_id);
if (!contest) {
contest = await Contest.create();
contest.id = 0;
}
let problems = [];
if (contest.problems) problems = await contest.problems.split('|').mapAsync(async id => await Problem.fromID(id));
res.render('contest_edit', {
contest: contest,
problems: problems
});
} catch (e) {
syzoj.log(e);
res.render('error', {
err: e
});
}
});
app.post('/contest/:id/edit', async (req, res) => {
try {
if (!res.locals.user || !res.locals.user.is_admin) throw new ErrorMessage('您没有权限进行此操作。');
let contest_id = parseInt(req.params.id);
let contest = await Contest.fromID(contest_id);
if (!contest) {
contest = await Contest.create();
contest.holder_id = res.locals.user.id;
let ranklist = await ContestRanklist.create();
await ranklist.save();
contest.ranklist_id = ranklist.id;
// Only new contest can be set type
if (!['noi', 'ioi', 'acm'].includes(req.body.type)) throw new ErrorMessage('无效的赛制。');
contest.type = req.body.type;
}
if (!req.body.title.trim()) throw new ErrorMessage('比赛名不能为空。');
contest.title = req.body.title;
contest.subtitle = req.body.subtitle;
if (!Array.isArray(req.body.problems)) req.body.problems = [req.body.problems];
contest.problems = req.body.problems.join('|');
contest.information = req.body.information;
contest.start_time = syzoj.utils.parseDate(req.body.start_time);
contest.end_time = syzoj.utils.parseDate(req.body.end_time);
contest.is_public = req.body.is_public === 'on';
await contest.save();
res.redirect(syzoj.utils.makeUrl(['contest', contest.id]));
} catch (e) {
syzoj.log(e);
res.render('error', {
err: e
});
}
});
app.get('/contest/:id', async (req, res) => {
try {
let contest_id = parseInt(req.params.id);
let contest = await Contest.fromID(contest_id);
if (!contest) throw new ErrorMessage('无此比赛。');
contest.allowedEdit = await contest.isAllowedEditBy(res.locals.user);
contest.running = await contest.isRunning();
contest.ended = await contest.isEnded();
contest.subtitle = await syzoj.utils.markdown(contest.subtitle);
contest.information = await syzoj.utils.markdown(contest.information);
let problems_id = await contest.getProblems();
let problems = await problems_id.mapAsync(async id => await Problem.fromID(id));
let player = null;
if (res.locals.user) {
player = await ContestPlayer.findInContest({
contest_id: contest.id,
user_id: res.locals.user.id
});
}
problems = problems.map(x => ({ problem: x, status: null, judge_id: null, statistics: null }));
if (player) {
for (let problem of problems) {
if (contest.type === 'noi') {
if (player.score_details[problem.problem.id]) {
let judge_state = await JudgeState.fromID(player.score_details[problem.problem.id].judge_id);
problem.status = judge_state.status;
if (!contest.ended && !await problem.problem.isAllowedEditBy(res.locals.user) && !['Compile Error', 'Waiting', 'Compiling'].includes(problem.status)) {
problem.status = 'Compiled';
}
problem.judge_id = player.score_details[problem.problem.id].judge_id;
}
} else if (contest.type === 'ioi') {
if (player.score_details[problem.problem.id]) {
let judge_state = await JudgeState.fromID(player.score_details[problem.problem.id].judge_id);
problem.status = judge_state.status;
problem.judge_id = player.score_details[problem.problem.id].judge_id;
}
} else if (contest.type === 'acm') {
if (player.score_details[problem.problem.id]) {
problem.status = {
accepted: player.score_details[problem.problem.id].accepted,
unacceptedCount: player.score_details[problem.problem.id].unacceptedCount
};
problem.judge_id = player.score_details[problem.problem.id].judge_id;
} else {
problem.status = null;
}
}
}
}
let hasStatistics = false;
if (contest.type === 'ioi' || contest.type === 'acm' || (contest.type === 'noi' && (contest.ended || (res.locals.user && res.locals.user.is_admin)))) {
hasStatistics = true;
await contest.loadRelationships();
let players = await contest.ranklist.getPlayers();
for (let problem of problems) {
problem.statistics = { attempt: 0, accepted: 0 };
if (contest.type === 'ioi' || contest.type === 'noi') {
problem.statistics.partially = 0;
}
for (let player of players) {
if (player.score_details[problem.problem.id]) {
problem.statistics.attempt++;
if ((contest.type === 'acm' && player.score_details[problem.problem.id].accepted) || ((contest.type === 'noi' || contest.type === 'ioi') && player.score_details[problem.problem.id].score === 100)) {
problem.statistics.accepted++;
}
if ((contest.type === 'noi' || contest.type === 'ioi') && player.score_details[problem.problem.id].score > 0) {
problem.statistics.partially++;
}
}
}
}
}
res.render('contest', {
contest: contest,
problems: problems,
hasStatistics: hasStatistics
});
} catch (e) {
syzoj.log(e);
res.render('error', {
err: e
});
}
});
app.get('/contest/:id/ranklist', async (req, res) => {
try {
let contest_id = parseInt(req.params.id);
let contest = await Contest.fromID(contest_id);
if (!contest) throw new ErrorMessage('无此比赛。');
if (!await contest.isAllowedSeeResultBy(res.locals.user)) throw new ErrorMessage('您没有权限进行此操作。');
await contest.loadRelationships();
let players_id = [];
for (let i = 1; i <= contest.ranklist.ranklist.player_num; i++) players_id.push(contest.ranklist.ranklist[i]);
let ranklist = await players_id.mapAsync(async player_id => {
let player = await ContestPlayer.fromID(player_id);
for (let i in player.score_details) {
player.score_details[i].judge_state = await JudgeState.fromID(player.score_details[i].judge_id);
}
let user = await User.fromID(player.user_id);
return {
user: user,
player: player
};
});
let problems_id = await contest.getProblems();
let problems = await problems_id.mapAsync(async id => await Problem.fromID(id));
res.render('contest_ranklist', {
contest: contest,
ranklist: ranklist,
problems: problems
});
} catch (e) {
syzoj.log(e);
res.render('error', {
err: e
});
}
});
app.get('/contest/:id/submissions', async (req, res) => {
try {
let contest_id = parseInt(req.params.id);
let contest = await Contest.fromID(contest_id);
if (!contest) throw new ErrorMessage('无此比赛。');
if (!await contest.isAllowedSeeResultBy(res.locals.user)) throw new ErrorMessage('您没有权限进行此操作。');
contest.ended = await contest.isEnded();
let problems_id = await contest.getProblems();
let user = await User.fromName(req.query.submitter || '');
let where = {};
if (user) where.user_id = user.id;
if (req.query.problem_id) where.problem_id = problems_id[parseInt(req.query.problem_id) - 1];
where.type = 1;
where.type_info = contest_id;
if (contest.ended || (res.locals.user && res.locals.user.is_admin)) {
if (!((!res.locals.user || !res.locals.user.is_admin) && !contest.ended && contest.type === 'acm')) {
let minScore = parseInt(req.query.min_score);
if (isNaN(minScore)) minScore = 0;
let maxScore = parseInt(req.query.max_score);
if (isNaN(maxScore)) maxScore = 100;
where.score = {
$and: {
$gte: parseInt(minScore),
$lte: parseInt(maxScore)
}
};
}
if (req.query.language) where.language = req.query.language;
if (req.query.status) where.status = { $like: req.query.status + '%' };
}
let paginate = syzoj.utils.paginate(await JudgeState.count(where), req.query.page, syzoj.config.page.judge_state);
let judge_state = await JudgeState.query(paginate, where, [['submit_time', 'desc']]);
await judge_state.forEachAsync(async obj => obj.allowedSeeCode = await obj.isAllowedSeeCodeBy(res.locals.user));
await judge_state.forEachAsync(async obj => {
await obj.loadRelationships();
obj.problem_id = problems_id.indexOf(obj.problem_id) + 1;
obj.problem.title = syzoj.utils.removeTitleTag(obj.problem.title);
if (contest.type === 'noi' && !contest.ended && !await obj.problem.isAllowedEditBy(res.locals.user)) {
if (!['Compile Error', 'Waiting', 'Compiling'].includes(obj.status)) {
obj.status = 'Compiled';
}
}
});
res.render('contest_submissions', {
contest: contest,
judge_state: judge_state,
paginate: paginate,
form: req.query
});
} catch (e) {
syzoj.log(e);
res.render('error', {
err: e
});
}
});
app.get('/contest/:id/:pid', async (req, res) => {
try {
let contest_id = parseInt(req.params.id);
let contest = await Contest.fromID(contest_id);
let problems_id = await contest.getProblems();
let pid = parseInt(req.params.pid);
if (!pid || pid < 1 || pid > problems_id.length) throw new ErrorMessage('无此题目。');
let problem_id = problems_id[pid - 1];
let problem = await Problem.fromID(problem_id);
contest.ended = await contest.isEnded();
if (!(await contest.isRunning() || contest.ended)) {
if (await problem.isAllowedUseBy(res.locals.user)) {
return res.redirect(syzoj.utils.makeUrl(['problem', problem_id]));
}
throw new ErrorMessage('比赛尚未开始。');
}
problem.specialJudge = await problem.hasSpecialJudge();
await syzoj.utils.markdown(problem, [ 'description', 'input_format', 'output_format', 'example', 'limit_and_hint' ]);
let state = await problem.getJudgeState(res.locals.user, false);
let testcases = await syzoj.utils.parseTestdata(problem.getTestdataPath(), problem.type === 'submit-answer');
res.render('problem', {
pid: pid,
contest: contest,
problem: problem,
state: state,
lastLanguage: res.locals.user ? await res.locals.user.getLastSubmitLanguage() : null,
testcases: testcases
});
} catch (e) {
syzoj.log(e);
res.render('error', {
err: e
});
}
});