feat(web,db): add groups

db/Dockerfile

@@ -1,4 +1,4 @@
-FROM mysql:latest
+FROM mysql:5.7
 
 ADD . /opt/uoj_db
 WORKDIR /opt/uoj_db

db/app_uoj233.sql

@@ -361,6 +361,33 @@ LOCK TABLES `custom_test_submissions` WRITE;
 /*!40000 ALTER TABLE `custom_test_submissions` ENABLE KEYS */;
 UNLOCK TABLES;
 
+--
+-- Table structure for table `groups`
+--
+
+/*!40101 SET @saved_cs_client     = @@character_set_client */;
+/*!40101 SET character_set_client = utf8mb4 */;
+CREATE TABLE `groups` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `title` text NOT NULL,
+  `is_hidden` tinyint(1) NOT NULL DEFAULT 0,
+  PRIMARY KEY (`id`)
+) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4;
+/*!40101 SET character_set_client = @saved_cs_client */;
+
+--
+-- Table structure for table `groups_users`
+--
+
+/*!40101 SET @saved_cs_client     = @@character_set_client */;
+/*!40101 SET character_set_client = utf8mb4 */;
+CREATE TABLE `groups_users` (
+  `group_id` int(11) NOT NULL,
+  `username` varchar(20) COLLATE utf8mb4_unicode_ci NOT NULL,
+  PRIMARY KEY (`group_id`, `username`)
+) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4;
+/*!40101 SET character_set_client = @saved_cs_client */;
+
 --
 -- Table structure for table `hacks`
 --

web/app/controllers/contest_members.php

@@ -10,6 +10,68 @@
 	}
 	genMoreContestInfo($contest);
 
+	if (isSuperUser($myUser)) {
+		$add_new_contestant_form = new UOJForm('add_new_contestant_form');
+		$add_new_contestant_form->addInput('new_username', 'text', '用户名', '', 
+			function ($x) {
+				global $contest;
+
+				if (!validateUsername($x)) return '用户名不合法';
+				$user = queryUser($x);
+				if (!$user) return '用户不存在';
+
+				if (hasRegistered($user, $contest)) {
+					return '该用户已经报名';
+				}
+				return '';
+			},
+			null
+		);
+		$add_new_contestant_form->submit_button_config['align'] = 'compressed';
+		$add_new_contestant_form->submit_button_config['text'] = '注册该用户';
+		$add_new_contestant_form->handle = function() {
+			global $contest;
+			$username = $_POST['new_username'];
+
+			$user = queryUser($username);
+			if (!$user) return;
+
+			DB::query("replace into contests_registrants (username, user_rating, contest_id, has_participated) values ('{$user['username']}', {$user['rating']}, {$contest['id']}, 0)");
+
+			updateContestPlayerNum($contest);
+		};
+		$add_new_contestant_form->runAtServer();
+
+		$add_group_to_contest_form = new UOJForm('add_group_to_contest');
+		$add_group_to_contest_form->addInput('group_id', 'text', '小组 ID', '', 
+			function ($x) {
+				global $contest;
+
+				if (!validateUInt($x)) return '小组 ID 不合法';
+				$group = queryGroup($x);
+				if (!$group) return '小组不存在';
+
+				return '';
+			},
+			null
+		);
+		$add_group_to_contest_form->submit_button_config['align'] = 'compressed';
+		$add_group_to_contest_form->submit_button_config['text'] = '注册该小组中的用户';
+		$add_group_to_contest_form->handle = function() {
+			global $contest;
+			$group_id = $_POST['group_id'];
+
+			$users = DB::selectAll("select b.username as username, b.rating as rating from groups_users a inner join user_info b on a.username = b.username where a.group_id = $group_id");
+
+			foreach ($users as $user) {
+				DB::query("replace into contests_registrants (username, user_rating, contest_id, has_participated) values ('{$user['username']}', {$user['rating']}, {$contest['id']}, 0)");
+			}
+
+			updateContestPlayerNum($contest);
+		};
+		$add_group_to_contest_form->runAtServer();
+	}
+
 	$has_contest_permission = hasContestPermission($myUser, $contest);
 	$show_ip = $has_contest_permission;
 	
@@ -86,6 +148,14 @@
 		array('page_len' => 100,
 			'get_row_index' => '',
 			'print_after_table' => function() {
+				global $add_new_contestant_form, $add_group_to_contest_form;
+
+				if (isset($add_new_contestant_form)) {
+					$add_new_contestant_form->printHTML();
+				}
+				if (isset($add_group_to_contest_form)) {
+					$add_group_to_contest_form->printHTML();
+				}
 			}
 		)
 	);

web/app/controllers/contest_registration.php

@@ -15,7 +15,7 @@
 	$register_form = new UOJForm('register');
 	$register_form->handle = function() {
 		global $myUser, $contest;
-		DB::query("insert into contests_registrants (username, contest_id, has_participated) values ('{$myUser['username']}', {$contest['id']}, 0)");
+		DB::query("replace into contests_registrants (username, contest_id, has_participated) values ('{$myUser['username']}', {$contest['id']}, 0)");
 		updateContestPlayerNum($contest);
 	};
 	$register_form->submit_button_config['class_str'] = 'btn btn-primary';
@@ -28,11 +28,11 @@
 <h1 class="page-header">比赛规则</h1>
 <ul>
 	<li>比赛报名后不算正式参赛，报名后进了比赛页面也不算参赛，<strong>看了题目才算正式参赛</strong>。</li>
-	<li>比赛中途可以提交，若同一题有多次提交按<strong>最后一次不是Compile Error的提交</strong>算成绩。（其实UOJ会自动无视你所有Compile Error的提交当作没看见）</li>
+	<li>比赛中途可以提交，若同一题有多次提交按<strong>最后一次不是 Compile Error 的提交</strong>算成绩。（其实UOJ会自动无视你所有 Compile Error 的提交）</li>
 	<li>比赛中途提交后，可以看到<strong>测样例</strong>的结果。（若为提交答案题则对于每个测试点，该测试点有分则该测试点为满分）</li>
 	<li>比赛结束后会进行最终测试，最终测试后的排名为最终排名。</li>
 	<li>比赛排名按分数为第一关键字，完成题目的总时间为第二关键字。完成题目的总时间等于完成每道题所花时间之和（无视掉爆零的题目）。</li>
-	<li>请遵守比赛规则，一位选手在一场比赛内不得报名多个账号，选手之间不能交流或者抄袭代码，如果被检测到将以0分处理或者封禁。</li>
+	<li>请遵守比赛规则，一位选手在一场比赛内不得报名多个账号，选手之间不能交流或者抄袭代码，如果被检测到将以 0 分处理或者封禁。</li>
 </ul>
 <?php $register_form->printHTML(); ?>
 <?php echoUOJPageFooter() ?>

web/app/controllers/group.php

@@ -0,0 +1,128 @@
+<?php
+	requirePHPLib('form');
+	requirePHPLib('judger');
+	requirePHPLib('data');
+
+	$group_id = $_GET['id'];
+	$group = queryGroup($group_id);
+
+	if (isSuperUser($myUser)) {
+		$group_editor = new UOJBlogEditor();
+		$group_editor->name = 'group';
+		$group_editor->blog_url = null;
+		$group_editor->cur_data = array(
+			'title' => $group['title'],
+			'tags' => array(),
+			'is_hidden' => $group['is_hidden']
+		);
+		$group_editor->label_text = array_merge($group_editor->label_text, array(
+			'view blog' => '保存小组信息',
+			'blog visibility' => '小组可见性'
+		));
+		$group_editor->show_editor = false;
+		$group_editor->show_tags = false;
+
+		$group_editor->save = function($data) {
+			global $group_id, $group;
+			DB::update("update `groups` set title = '".DB::escape($data['title'])."' where id = {$group_id}");
+
+			if ($data['is_hidden'] != $group['is_hidden'] ) {
+				DB::update("update `groups` set is_hidden = {$data['is_hidden']} where id = {$group_id}");
+			}
+		};
+		$group_editor->runAtServer();
+
+		$add_new_user_form = new UOJForm('add_new_user');
+		$add_new_user_form->addInput('new_username', 'text', '用户名', '', 
+			function ($x) {
+				global $group_id;
+
+				if (!validateUsername($x)) return '用户名不合法';
+				$user = queryUser($x);
+				if (!$user) return '用户不存在';
+
+				if (queryUserInGroup($group_id, $x)) {
+					return '该用户已经在小组中';
+				}
+
+				return '';
+			},
+			null
+		);
+		$add_new_user_form->submit_button_config['align'] = 'compressed';
+		$add_new_user_form->submit_button_config['text'] = '添加到小组';
+		$add_new_user_form->handle = function() {
+			global $group_id, $myUser;
+			$username = $_POST['new_username'];
+
+			DB::insert("insert into groups_users (group_id, username) values ({$group_id}, '{$username}')");
+		};
+		$add_new_user_form->runAtServer();
+
+		$delete_user_form = new UOJForm('delete_user');
+		$delete_user_form->addInput('del_username', 'text', '用户名', '', 
+			function ($x) {
+				global $group_id;
+
+				if (!validateUsername($x)) return '用户名不合法';
+				if (!queryUserInGroup($group_id, $x)) {
+					return '该用户不在小组中';
+				}
+
+				return '';
+			},
+			null
+		);
+		$delete_user_form->submit_button_config['align'] = 'compressed';
+		$delete_user_form->submit_button_config['text'] = '从小组中删除';
+		$delete_user_form->handle = function() {
+			global $group_id, $myUser;
+			$username = $_POST['del_username'];
+
+			DB::query("delete from groups_users where username='{$username}' and group_id={$group_id}");
+		};
+		$delete_user_form->runAtServer();
+	}
+?>
+
+<?php echoUOJPageHeader(UOJLocale::get('groups')) ?>
+
+<h2 style="margin-top: 24px"><?= $group['title'] ?></h2>
+<p>(<b>小组 ID</b>: <?= $group['id'] ?>)</p>
+
+<div class="row">
+	<div class="col-sm-12 mt-4">
+		<h5><?= UOJLocale::get('news') ?></h5>
+		<ul>
+		<?php
+			$current_ac = queryGroupCurrentAC($group['id']);
+			foreach ($current_ac as $ac) {
+				echo '<li>';
+				echo getUserLink($ac['submitter']);
+				echo ' 解决了问题 ';
+				echo '<a href="/problem/', $ac['problem_id'], '">', $ac['problem_title'], '</a> ';
+				echo '<time class="time">(', $ac['submit_time'], ')</time>';
+				echo '</li>';
+			}
+			if (!$current_ac) {
+				echo '(无)';
+			}
+		?>
+		</ul>
+	</div>
+</div>
+
+<?php if (isSuperUser($myUser)): ?>
+<h5>编辑小组信息</h5>
+<div class="mb-4">
+    <?php $group_editor->printHTML(); ?>
+</div>
+
+<h5>添加用户到小组</h5>
+<?php $add_new_user_form->printHTML(); ?>
+
+<h5>从小组中删除用户</h5>
+<?php $delete_user_form->printHTML(); ?>
+<?php endif ?>
+
+<?php echoUOJPageFooter() ?>

web/app/controllers/groups.php

@@ -0,0 +1,78 @@
+<?php
+    requirePHPLib('form');
+    requirePHPLib('judger');
+    requirePHPLib('data');
+
+    if (isSuperUser($myUser)) {
+		$new_group_form = new UOJForm('new_group');
+		$new_group_form->handle = function() {
+            DB::query("insert into `groups` (title, is_hidden) values ('新小组', 1)");
+		};
+		$new_group_form->submit_button_config['align'] = 'right';
+		$new_group_form->submit_button_config['class_str'] = 'btn btn-primary';
+		$new_group_form->submit_button_config['text'] = UOJLocale::get('add new group');
+		$new_group_form->submit_button_config['smart_confirm'] = '';
+		$new_group_form->runAtServer();
+    }
+
+    function echoGroup($group) {
+        global $myUser;
+
+        echo '<tr class="text-center">';
+        echo '<td>';
+        echo '#', $group['group_id'], '</td>';
+
+        echo '<td class="text-left">';
+        if ($group['is_hidden']) {
+            echo ' <span class="text-danger">[隐藏]</span> ';
+        }
+        echo '<a href="/group/', $group['group_id'], '">', $group['title'], '</a>';
+        echo '</td>';
+
+        echo "<td>{$group['user_count']}</td>";
+
+        echo '</tr>';
+    }
+?>
+
+<?php echoUOJPageHeader(UOJLocale::get('groups')) ?>
+
+<?php
+    $groups_caption = UOJLocale::get('groups');
+    $users_caption = UOJLocale::get('users count');
+    $header = <<<EOD
+<tr>
+    <th class="text-center" style="width:5em;">ID</th>
+    <th>{$groups_caption}</th>
+    <th class="text-center" style="width:8em;">{$users_caption}</th>
+</tr>
+EOD;
+
+    if (isSuperUser($myUser)) {
+        $cond = "1";
+    } else {
+        $cond = 'is_hidden = 0';
+    }
+
+    $from = "`groups` a left join groups_users b on a.id = b.group_id";
+
+    echoLongTable(
+        array('a.id as group_id', 'a.title as title', 'a.is_hidden as is_hidden', 'count(b.username) as user_count'),
+		$from, $cond, 'group by a.id order by a.id asc',
+		$header,
+		'echoGroup',
+		array('page_len' => 100,
+			'table_classes' => array('table', 'table-bordered', 'table-hover', 'table-striped'),
+			'print_after_table' => function() {
+				global $myUser;
+				if (isSuperUser($myUser)) {
+					global $new_group_form;
+					$new_group_form->printHTML();
+				}
+			},
+			'head_pagination' => true
+		)
+	);
+?>
+
+<?php echoUOJPageFooter() ?>

web/app/libs/uoj-query-lib.php

@@ -82,6 +82,22 @@ function queryContestProblem($id) {
 	return DB::selectFirst("select * from contest_problems where contest_id = $id", MYSQLI_ASSOC);
 }
 
+function queryGroup($id) {
+	return DB::selectFirst("select * from groups where id = $id", MYSQLI_ASSOC);
+}
+function queryUserInGroup($group_id, $username) {
+	return DB::selectFirst("select * from groups_users where username='$username' and group_id='$group_id'", MYSQLI_ASSOC);
+}
+function queryGroupOfUser($username) {
+	return DB::selectAll("select b.title as title, b.id as id from groups_users a inner join groups b on a.group_id = b.id where a.username = '$username' and b.is_hidden = 0 order by id", MYSQLI_ASSOC);
+}
+function queryGroupmateCurrentAC($username) {
+	return DB::selectAll("select a.problem_id as problem_id, a.submitter as submitter, a.submission_id as submission_id, b.submit_time as submit_time, c.group_id as group_id, c.group_name as group_name, d.title as problem_title, b.submit_time as submit_time, e.realname as realname from best_ac_submissions a inner join submissions b on (a.submission_id = b.id) inner join (select a.username as username, any_value(a.group_id) as group_id, any_value(c.title) as group_name from groups_users a inner join (select a.group_id as group_id from groups_users a inner join groups b on a.group_id = b.id where a.username = '$username' and b.is_hidden = 0) b on a.group_id = b.group_id inner join groups c on a.group_id = c.id group by a.username) c on a.submitter = c.username inner join problems d on (a.problem_id = d.id and d.is_hidden = 0) inner join user_info e on a.submitter = e.username where b.submit_time > addtime(now(), '-360:00:00') order by b.submit_time desc limit 10", MYSQLI_ASSOC);
+}
+function queryGroupCurrentAC($group_id) {
+	return DB::selectAll("select a.problem_id as problem_id, a.submitter as submitter, a.submission_id as submission_id, b.submit_time as submit_time, d.title as problem_title, b.submit_time as submit_time, e.realname as realname from best_ac_submissions a inner join submissions b on (a.submission_id = b.id) inner join groups_users c on (a.submitter = c.username and c.group_id = $group_id) inner join problems d on (a.problem_id = d.id and d.is_hidden = 0) inner join user_info e on (a.submitter = e.username) where b.submit_time > addtime(now(), '-360:00:00') order by b.submit_time desc limit 10", MYSQLI_ASSOC);
+}
+
 function queryZanVal($id, $type, $user) {
 	if ($user == null) {
 		return 0;

web/app/locale/basic/en.php

@@ -11,6 +11,9 @@ return [
 	'system manage' => 'System Manage',
 	'contests' => 'Contests',
 	'problems' => 'Problems',
+	'groups' => 'Groups',
+	'add new group' => 'Add new group',
+	'users count' => 'Users',
 	'submissions' => 'Submissions',
 	'hacks' => 'Hack!',
 	'blogs' => 'Blogs',
@@ -18,6 +21,7 @@ return [
 	'all the announcements' => 'All the Announcements……',
 	'help' => 'Help',
 	'search' => 'Search',
+	'news' => 'News',
 	'username' => 'Username',
 	'password' => 'Password',
 	'new password' => 'New password',

web/app/locale/basic/zh-cn.php

@@ -11,6 +11,9 @@ return [
 	'system manage' => '系统管理',
 	'contests' => '比赛',
 	'problems' => '题库',
+	'groups' => '小组',
+	'add new group' => '添加新小组',
+	'users count' => '用户数量',
 	'submissions' => '提交记录',
 	'hacks' => 'Hack!',
 	'blogs' => '博客',
@@ -18,6 +21,7 @@ return [
 	'all the announcements' => '所有公告……',
 	'help' => '帮助',
 	'search' => '搜索',
+	'news' => '最新动态',
 	'username' => '用户名',
 	'password' => '密码',
 	'new password' => '新密码',

web/app/route.php

@@ -38,6 +38,9 @@ Route::group([
 		Route::any('/hacks', '/hack_list.php');
 		Route::any('/hack/{id}', '/hack.php');
 
+		Route::any('/groups', '/groups.php');
+		Route::any('/group/{id}', '/group.php');
+		
 		Route::any('/blogs', '/blogs.php');
 		if (UOJConfig::$data['switch']['blog-domain-mode'] != 3) {
 			Route::any('/blog/{id}', '/blog_show.php');

web/app/views/blog-editor.php

@@ -4,11 +4,15 @@
 	<div class="col-sm-6">
 		<?= HTML::div_vinput("{$editor->name}_title", 'text', $editor->label_text['title'], html_entity_decode($editor->cur_data['title'])) ?>
 	</div>
+	<?php if ($editor->show_tags): ?>
 	<div class="col-sm-6">
 		<?= HTML::div_vinput("{$editor->name}_tags", 'text', $editor->label_text['tags'], join(', ', $editor->cur_data['tags'])) ?>
 	</div>
+	<?php endif ?>
 </div>
+<?php if ($editor->show_editor): ?>
 <?= HTML::div_vtextarea("{$editor->name}_content_md", $editor->label_text['content'], $editor->cur_data['content_md']) ?>
+<?php endif ?>
 <div class="row mt-2">
 	<div class="col-sm-6">
 		<?php if ($editor->blog_url): ?>

web/app/views/main-nav.php

@@ -7,6 +7,7 @@
 		<ul class="nav navbar-nav mr-auto">
 			<li class="nav-item"><a class="nav-link" href="<?= HTML::url('/contests') ?>"><span class="glyphicon glyphicon-stats"></span> <?= UOJLocale::get('contests') ?></a></li>
 			<li class="nav-item"><a class="nav-link" href="<?= HTML::url('/problems') ?>"><span class="glyphicon glyphicon-list-alt"></span> <?= UOJLocale::get('problems') ?></a></li>
+			<li class="nav-item"><a class="nav-link" href="<?= HTML::url('/groups') ?>"><span class="glyphicon glyphicon-education"></span> <?= UOJLocale::get('groups') ?></a></li>
 			<li class="nav-item"><a class="nav-link" href="<?= HTML::url('/submissions') ?>"><span class="glyphicon glyphicon-tasks"></span> <?= UOJLocale::get('submissions') ?></a></li>
 			<li class="nav-item"><a class="nav-link" href="<?= HTML::url('/hacks') ?>"><span class="glyphicon glyphicon-flag"></span> <?= UOJLocale::get('hacks') ?></a></li>
 			<li class="nav-item"><a class="nav-link" href="<?= HTML::blog_list_url() ?>"><span class="glyphicon glyphicon-edit"></span> <?= UOJLocale::get('blogs') ?></a></li>