S2OJ/web/app/controllers/problem_solutions.php

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<?php
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requireLib('hljs');
requireLib('mathjax');
requirePHPLib('form');
requirePHPLib('judger');
Auth::check() || redirectToLogin();
UOJProblem::init(UOJRequest::get('id')) || UOJResponse::page404();
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UOJProblem::cur()->userCanView(Auth::user(), ['ensure' => true]);
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if (!UOJProblem::cur()->userCanManage(Auth::user())) {
UOJProblem::cur()->userPermissionCodeCheck(Auth::user(), UOJProblem::cur()->getExtraConfig('view_solution_type')) || UOJResponse::page403();
foreach (UOJProblem::cur()->findInContests() as $cp) {
if ($cp->contest->progress() == CONTEST_IN_PROGRESS && $cp->contest->userHasRegistered(Auth::user())) {
UOJResponse::page403();
}
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}
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}
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if (UOJRequest::post('submit-remove_solution') === 'remove_solution') {
crsf_defend();
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$blog = UOJBlog::query(UOJRequest::post('blog_id'));
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if (!$blog || !$blog->userCanView(Auth::user())) {
dieWithAlert('博客不存在。');
}
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if (!UOJProblem::cur()->userCanManage(Auth::user()) && $blog->info['poster'] != Auth::id()) {
dieWithAlert('您没有权限移除该题解。');
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}
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if ($blog->info['poster'] != Auth::id()) {
sendSystemMsg(
$blog->info['poster'],
'题解移除通知',
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"<p>" . UOJUser::getLink($blog->info['poster'], ['color' => false]) . " 您好:</p>" .
"<p>您为问题 " . UOJProblem::cur()->getLink(['with' => 'id']) . " 提交的题解 " . $blog->getLink() . " 已被管理员移除。</p>"
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);
}
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DB::delete([
"delete from problems_solutions",
"where", [
"problem_id" => UOJProblem::info('id'),
"blog_id" => $blog->info['id'],
],
]);
dieWithAlert('移除成功!');
}
if (UOJProblem::cur()->userCanManage(Auth::user()) || UOJProblem::cur()->userPermissionCodeCheck(Auth::user(), UOJProblem::cur()->getExtraConfig('submit_solution_type'))) {
$add_new_solution_form = new UOJForm('add_new_solution');
$add_new_solution_form->addInput('blog_id_2', [
'div_class' => 'flex-grow-1',
'placeholder' => '博客 ID',
'validator_php' => function ($blog_id, &$vdata) {
$blog = UOJBlog::query($blog_id);
if (!$blog) {
return '博客不存在';
}
if (!$blog->userCanManage(Auth::user())) {
if ($blog->info['poster'] != Auth::id()) {
if ($blog->info['is_hidden']) {
return '博客不存在';
}
return '只能提交本人撰写的博客';
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}
}
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if (!UOJProblem::cur()->userCanManage(Auth::user())) {
if ($blog->info['is_hidden']) {
return '只能提交公开的博客';
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}
}
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if ($problem_id = $blog->getSolutionProblemId()) {
return "该博客已经是题目 #$problem_id 的题解";
}
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$vdata['blog'] = $blog;
return '';
},
]);
$add_new_solution_form->config['form']['class'] = 'd-flex';
$add_new_solution_form->config['submit_container']['class'] = 'ms-2 flex-shrink-0';
$add_new_solution_form->config['submit_button']['text'] = '发布';
$add_new_solution_form->handle = function (&$vdata) {
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DB::insert([
"insert into problems_solutions",
DB::bracketed_fields(["problem_id", "blog_id"]),
"values", DB::tuple([UOJProblem::info('id'), $vdata['blog']->info['id']]),
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]);
};
$add_new_solution_form->runAtServer();
if (UOJUser::checkPermission(Auth::user(), 'blogs.create')) {
$quick_add_new_solution_form = new UOJForm('quick_add_new_solution');
$quick_add_new_solution_form->config['submit_container']['class'] = '';
$quick_add_new_solution_form->config['submit_button']['class'] = 'btn btn-link text-decoration-none p-0';
$quick_add_new_solution_form->config['submit_button']['text'] = '快速新建文章';
$quick_add_new_solution_form->handle = function () {
DB::insert([
"insert into blogs",
"(title, content, content_md, poster, is_hidden, post_time, active_time)",
"values", DB::tuple([
'【题解】' . UOJProblem::cur()->getTitle(), '', '',
Auth::id(), false, DB::now(), DB::now()
])
]);
$blog_id = DB::insert_id();
DB::insert([
"insert into problems_solutions",
DB::bracketed_fields(["problem_id", "blog_id"]),
"values", DB::tuple([UOJProblem::info('id'), $blog_id]),
]);
redirectTo(HTML::blog_url(Auth::id(), "/post/{$blog_id}/write"));
die();
};
$quick_add_new_solution_form->runAtServer();
}
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}
$pag_config = [
'page_len' => 5,
'col_names' => ['blog_id', 'zan'],
'table_name' => 'problems_solutions inner join blogs on blogs.id = problems_solutions.blog_id',
'cond' => ["problem_id" => UOJProblem::info('id')],
'post_filter' => function ($row) {
$blog = UOJBlog::query($row['blog_id']);
// 根据实际使用需要,题目管理员可以通过题解页面看到其他用户提交的题解,并且即使该题解对应的博客是隐藏状态也会照常显示
// 如需仅允许超级管理员查看,请将下一行改为 return $blog->userCanView(Auth::user());
return $blog->userCanView(Auth::user()) || UOJProblem::cur()->userCanManage(Auth::user());
},
];
$pag_config['tail'] = "order by zan desc, post_time desc, id asc";
$pag = new Paginator($pag_config);
?>
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<?php echoUOJPageHeader(UOJLocale::get('problems::solutions') . ' - ' . HTML::stripTags(UOJProblem::cur()->getTitle(['with' => 'id']))) ?>
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<div class="row">
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<!-- Left col -->
<div class="col-lg-9">
<div class="card card-default mb-2">
<div class="card-body">
<h1 class="card-title text-center">
<?= UOJProblem::cur()->getTitle(['with' => 'id']) ?>
</h1>
</div>
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<ul class="list-group list-group-flush">
<?php foreach ($pag->get() as $row) : ?>
<?php
$blog = UOJBlog::query($row['blog_id']);
$poster = UOJUser::query($blog->info['poster']);
?>
<li class="list-group-item">
<div class="mb-3">
<span class="me-2 d-inline-block">
<a class="text-decoration-none" href="<?= HTML::url('/user/' . $poster['username']) ?>">
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<img src="<?= HTML::avatar_addr($poster, 64) ?>" width="32" height="32" class="rounded uoj-user-avatar" />
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</a>
<?= UOJUser::getLink($poster) ?>
</span>
<span class="text-muted small d-inline-block">
<?= UOJLocale::get('post time') ?>:
<time class="text-muted"><?= $blog->info['post_time'] ?></time>
</span>
<?php if ($blog->info['is_hidden']) : ?>
<span class="badge text-bg-danger ms-2">
<i class="bi bi-eye-slash-fill"></i>
<?= UOJLocale::get('hidden') ?>
</span>
<?php endif ?>
</div>
<div class="markdown-body">
<?= $blog->queryContent()['content'] ?>
</div>
<ul class="mt-3 text-end list-inline">
<?php if (UOJProblem::cur()->userCanManage(Auth::user()) || $poster['username'] == Auth::id()) : ?>
<li class="list-inline-item">
<form class="d-inline-block" method="POST" onsubmit="return confirm('你真的要移除这篇题解吗?移除题解不会删除对应博客。')">
<input type="hidden" name="_token" value="<?= crsf_token() ?>">
<input type="hidden" name="blog_id" value="<?= $blog->info['id'] ?>">
<button class="btn btn-link text-decoration-none text-danger p-0 mt-0" type="submit" name="submit-remove_solution" value="remove_solution">
移除
</button>
</form>
</li>
<?php endif ?>
<?php if ($blog->userCanManage(Auth::user())) : ?>
<li class="list-inline-item">
<a class="d-inline-block align-middle" href="<?= $blog->getUriForWrite() ?>">
修改
</a>
</li>
<?php endif ?>
<li class="list-inline-item">
<a class="d-inline-block align-middle" href="<?= $blog->getBlogUri() ?>">
Ta 的博客上查看
</a>
</li>
<li class="list-inline-item">
<?= ClickZans::getBlock('B', $blog->info['id'], $blog->info['zan']) ?>
</li>
</ul>
</li>
<?php endforeach ?>
<?php if ($pag->isEmpty()) : ?>
<div class="text-center text-muted py-4">
暂无题解
</div>
<?php endif ?>
</ul>
</div>
<?= $pag->pagination() ?>
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</div>
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<!-- end left col -->
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<!-- right col -->
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<aside class="col-lg-3 mt-3 mt-lg-0">
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<!-- 题目导航 -->
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<div class="card card-default mb-2">
<ul class="nav nav-pills nav-fill flex-column" role="tablist">
<li class="nav-item text-start">
<a href="/problem/<?= UOJProblem::info('id') ?>" class="nav-link" role="tab">
<i class="bi bi-journal-text"></i>
<?= UOJLocale::get('problems::statement') ?>
</a>
</li>
<li class="nav-item text-start">
<a href="/problem/<?= UOJProblem::info('id') ?>#submit" class="nav-link" role="tab">
<i class="bi bi-upload"></i>
<?= UOJLocale::get('problems::submit') ?>
</a>
</li>
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<li class="nav-item text-start">
<a href="#" class="nav-link active" role="tab">
<i class="bi bi-journal-bookmark"></i>
<?= UOJLocale::get('problems::solutions') ?>
</a>
</li>
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<li class="nav-item text-start">
<a class="nav-link" href="/submissions?problem_id=<?= UOJProblem::info('id') ?>">
<i class="bi bi-list-ul"></i>
<?= UOJLocale::get('submissions') ?>
</a>
</li>
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<li class="nav-item text-start">
<a class="nav-link" href="/problem/<?= UOJProblem::info('id') ?>/statistics">
<i class="bi bi-graph-up"></i>
<?= UOJLocale::get('problems::statistics') ?>
</a>
</li>
<?php if (UOJProblem::cur()->userCanManage(Auth::user())) : ?>
<li class="nav-item text-start">
<a class="nav-link" href="/problem/<?= UOJProblem::info('id') ?>/manage/statement" role="tab">
<i class="bi bi-sliders"></i>
<?= UOJLocale::get('problems::manage') ?>
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</a>
</li>
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<?php endif ?>
</ul>
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</div>
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<div class="card card-default mb-2">
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<div class="card-header fw-bold">
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增加题解
</div>
<div class="card-body">
<?php if (isset($add_new_solution_form)) : ?>
<?php $add_new_solution_form->printHTML(); ?>
<?php else : ?>
您当前无法为本题新增题解。
<?php endif ?>
</div>
<?php if (isset($quick_add_new_solution_form)) : ?>
<div class="card-footer bg-transparent">
<?php $quick_add_new_solution_form->printHTML() ?>
</div>
<?php endif ?>
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</div>
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<?php uojIncludeView('sidebar') ?>
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</aside>
<!-- end right col -->
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</div>
<?php echoUOJPageFooter() ?>