feat(web/index): add countdown

db/app_uoj233.sql

@@ -332,6 +332,29 @@ LOCK TABLES `contests_submissions` WRITE;
 /*!40000 ALTER TABLE `contests_submissions` ENABLE KEYS */;
 UNLOCK TABLES;
 
+--
+-- Table structure for table `countdowns`
+--
+
+/*!40101 SET @saved_cs_client     = @@character_set_client */;
+/*!40101 SET character_set_client = utf8mb4 */;
+CREATE TABLE `countdowns` (
+  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
+  `title` text NOT NULL,
+  `endtime` datetime NOT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4;
+/*!40101 SET character_set_client = @saved_cs_client */;
+
+--
+-- Dumping data for table `countdowns`
+--
+
+LOCK TABLES `countdowns` WRITE;
+/*!40000 ALTER TABLE `countdowns` DISABLE KEYS */;
+/*!40000 ALTER TABLE `countdowns` ENABLE KEYS */;
+UNLOCK TABLES;
+
 --
 -- Table structure for table `custom_test_submissions`
 --

web/app/controllers/index.php

@@ -1,11 +1,12 @@
 <?php
 	$blogs = DB::selectAll("select blogs.id, title, poster, post_time from important_blogs, blogs where is_hidden = 0 and important_blogs.blog_id = blogs.id order by level desc, important_blogs.blog_id desc limit 5");
+	$countdowns = DB::selectAll("select * from countdowns order by endtime asc limit 5")
 ?>
 <?php echoUOJPageHeader(UOJConfig::$data['profile']['oj-name-short']) ?>
-<div class="card card-default">
+<div class="row">
-	<div class="card-body">
+	<div class="col-sm-12 col-md-9">
-		<div class="row">
+		<div class="card card-default">
-			<div class="col-sm-12 col-md-9">
+			<div class="card-body">
 				<table class="table table-sm">
 					<thead>
 						<tr>
@@ -14,7 +15,7 @@
 							<th style="width:20%"></th>
 						</tr>
 					</thead>
-				  	<tbody>
+					<tbody>
 					<?php $now_cnt = 0; ?>
 					<?php foreach ($blogs as $blog): ?>
 						<?php
@@ -37,23 +38,44 @@
 					</tbody>
 				</table>
 			</div>
-			<div class="col-xs-6 col-sm-4 col-md-3">
+		</div>
-				<img class="media-object img-thumbnail" src="/images/logo.png" alt="Logo" />
+		<?php if (Auth::check() && isNormalUser($myUser)): ?>
+			<div class="mt-4">
+				<h3><?= UOJLocale::get('top solver') ?></h3>
+				<?php echoRanklist(array('echo_full' => true, 'top10' => true, 'by_accepted' => true)) ?>
+				<div class="text-center">
+					<a href="/solverlist"><?= UOJLocale::get('view all') ?></a>
+				</div>
+			</div>
+		<?php endif ?>
+	</div>
+	<div class="col-xs-6 col-sm-4 col-md-3">
+		<div class="d-none d-md-block">
+			<img class="media-object img-thumbnail" src="/images/logo.png" alt="Logo" />
+		</div>
+		<div class="card card-default mt-4">
+			<div class="card-body">
+				<h3 class="card-title">倒计时</h3>
+				<div>
+					<?php foreach ($countdowns as $countdown): ?>
+						<?php
+							$enddate = strtotime($countdown['endtime']);
+							$nowdate = time();
+							$diff = floor(($enddate - $nowdate) / (24 * 60 * 60));
+						?>
+						<p class="card-text">
+							<?php if ($diff > 0): ?>
+								距离 <b><?= $countdown['title'] ?></b> 还有 <b><?= $diff ?></b> 天。
+							<?php else: ?>
+								<b><?= $countdown['title'] ?></b> 已开始。
+							<?php endif ?>
+						</p>
+					<?php endforeach ?>
+				</div>
 			</div>
 		</div>
 	</div>
 </div>
 
-<?php if (Auth::check() && isNormalUser($myUser)): ?>
-<div class="row">
-	<div class="col-sm-12 mt-4">
-		<h3><?= UOJLocale::get('top solver') ?></h3>
-		<?php echoRanklist(array('echo_full' => true, 'top10' => true, 'by_accepted' => true)) ?>
-		<div class="text-center">
-			<a href="/solverlist"><?= UOJLocale::get('view all') ?></a>
-		</div>
-	</div>
-</div>
-<?php endif ?>
 
 <?php echoUOJPageFooter() ?>

web/app/controllers/super_manage.php

@@ -298,6 +298,67 @@
 	};
 	$blog_deleter->runAtServer();
 
+	$countdown_adder = new UOJForm('new_countdown');
+	$countdown_adder->submit_button_config['align'] = 'compressed';
+	$countdown_adder->addInput('new_countdown_title', 'text', '标题', '',
+		function ($new_countdown_title) {
+			return '';
+		},
+		null
+	);
+	$countdown_adder->addInput('new_countdown_endtime', 'text', '截止日期', date("Y-m-d H:i:s"),
+        function($str, &$vdata) {
+        	try {
+        		$vdata['new_countdown_endtime'] = new DateTime($str);
+        	} catch (Exception $e) {
+        		return '无效时间格式';
+        	}
+        	return '';
+        },
+		null
+	);
+	$countdown_adder->handle = function() {
+		$new_countdown_title = $_POST['new_countdown_title'];
+		$new_countdown_endtime = $_POST['new_countdown_endtime'];
+		$new_countdown_title = DB::escape($new_countdown_title);
+
+		DB::query("insert into countdowns (title, endtime) values ('$new_countdown_title', '$new_countdown_endtime')");
+	};
+	$countdown_adder->runAtServer();
+
+    $countdown_deleter = new UOJForm('delete_countdown');
+    $countdown_deleter->submit_button_config['align'] = 'compressed';
+    $countdown_deleter->addInput('delete_countdown_id', 'text', 'ID', '',
+        function ($delete_countdown_id) {
+        	return '';
+        },
+        null
+    );
+    $countdown_deleter->handle = function() {
+    	$delete_countdown_id = $_POST['delete_countdown_id'];
+    	$delete_countdown_id = DB::escape($delete_countdown_id);
+
+    	DB::query("delete from countdowns where id = '$delete_countdown_id'");
+    };
+    $countdown_deleter->runAtServer();
+
+	$countdowns_header_row = <<<EOD
+	<tr>
+		<th>ID</th>
+		<th>标题</th>
+		<th>时间</th>
+	</tr>
+EOD;
+    $countdowns_print_row = function($row) {
+    	echo <<<EOD
+	<tr>
+		<td>{$row['id']}</td>
+		<td>{$row['title']}</td>
+		<td>{$row['endtime']}</td>
+	</tr>
+EOD;
+    };
+
 	$contest_submissions_deleter = new UOJForm('contest_submissions');
 	$contest_submissions_deleter->addInput('contest_id', 'text', '比赛ID', '',
 		function ($x) {
@@ -453,6 +514,10 @@ EOD;
 			'name' => '博客管理',
 			'url' => "/super-manage/blogs"
 		),
+		'index' => array(
+			'name' => '首页管理',
+			'url' => '/super-manage/index'
+		),
 		'submissions' => array(
 			'name' => '提交记录',
 			'url' => "/super-manage/submissions"
@@ -529,6 +594,15 @@ EOD;
 				<h4>删除博客</h4>
 				<?php $blog_deleter->printHTML(); ?>
 			</div>
+		<?php elseif ($cur_tab === 'index'): ?>
+			<div>
+				<h4>倒计时管理</h4>
+				<?php echoLongTable(array('id', 'title', 'endtime'), 'countdowns', '1', 'order by endtime asc', $countdowns_header_row, $countdowns_print_row, $userlist_config) ?>
+				<h5>添加倒计时</h5>
+				<?php $countdown_adder->printHTML(); ?>
+				<h5>删除倒计时</h5>
+				<?php $countdown_deleter->printHTML(); ?>
+			</div>
 		<?php elseif ($cur_tab === 'submissions'): ?>
 			<div>
 				<h4>删除赛前提交记录</h4>