feat: add problem difficulty display

web/app/controllers/problem_data_manage.php

@@ -593,6 +593,24 @@ EOD
 	};
 	$solution_view_type_form->submit_button_config['class_str'] = 'btn btn-warning btn-block top-buffer-sm';
 
+	$difficulty_form = new UOJForm('difficulty');
+	$difficulty_form->addVInput('difficulty', 'text', '难度系数', $problem_extra_config['difficulty'],
+		function($str) {
+			if (!is_numeric($str)) {
+				return '难度系数必须是一个数字';
+			}
+			return '';
+		},
+		null);
+	$difficulty_form->handle = function() {
+		global $problem, $problem_extra_config;
+		$config = $problem_extra_config;
+		$config['difficulty'] = $_POST['difficulty'] + 0;
+		$esc_config = DB::escape(json_encode($config));
+		DB::query("update problems set extra_config = '$esc_config' where id = '{$problem['id']}'");
+	};
+	$difficulty_form->submit_button_config['class_str'] = 'btn btn-warning btn-block top-buffer-sm';
+
 	if ($problem['hackable']) {
 		$test_std_form = new UOJForm('test_std');
 		$test_std_form->handle = function() {
@@ -649,6 +667,7 @@ EOD
 	$hackable_form->runAtServer();
 	$view_type_form->runAtServer();
 	$solution_view_type_form->runAtServer();
+	$difficulty_form->runAtServer();
 	$data_form->runAtServer();
 	$clear_data_form->runAtServer();
 	$rejudge_form->runAtServer();
@@ -724,7 +743,7 @@ EOD
 			</div>
 		</div>
 		<div class="top-buffer-md">
-			<button id="button-display_view_type" type="button" class="btn btn-primary btn-block" onclick="$('#div-solution_view_type').toggle('fast');">题解可视权限</button>
+			<button id="button-solution_view_type" type="button" class="btn btn-primary btn-block" onclick="$('#div-solution_view_type').toggle('fast');">题解可视权限</button>
 			<div class="top-buffer-sm" id="div-solution_view_type" style="display:none; padding-left:5px; padding-right:5px;">
 				<?php $solution_view_type_form->printHTML(); ?>
 			</div>
@@ -748,6 +767,13 @@ EOD
 		<div class="top-buffer-md">
 			<button type="button" class="btn btn-block btn-primary" data-toggle="modal" data-target="#ProblemSettingsFileModal">试题配置</button>
 		</div>
+
+		<div class="top-buffer-md">
+			<button id="button-difficulty" type="button" class="btn btn-block btn-primary" onclick="$('#div-difficulty').toggle('fast');">难度系数</button>
+			<div class="top-buffer-sm" id="div-difficulty" style="display:none; padding-left:5px; padding-right:5px;">
+				<?php $difficulty_form->printHTML(); ?>
+			</div>
+		</div>
 	</div>
 
 	<div class="modal fade" id="UploadDataModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">

web/app/controllers/problem_list.php

@@ -73,6 +73,14 @@
 				</td>
 EOD;
 			}
+			if (isset($_COOKIE['show_difficulty'])) {
+				$extra_config = getProblemExtraConfig($problem);
+				if ($extra_config['difficulty'] == 0) {
+					echo "<td></td>";
+				} else {
+					echo "<td>{$extra_config['difficulty']}</td>";
+				}
+			}
 			echo '<td class="text-left">', getClickZanBlock('P', $problem['id'], $problem['zan']), '</td>';
 			echo '</tr>';
 		}
@@ -86,11 +94,14 @@ EOD;
 		$header .= '<th class="text-center" style="width:' . (isset($REQUIRE_LIB['bootstrap5']) ? '4' : '5') . 'em;">'.UOJLocale::get('problems::submit').'</th>';
 		$header .= '<th class="text-center" style="width:' . (isset($REQUIRE_LIB['bootstrap5']) ? '125' : '150') . 'px;">'.UOJLocale::get('problems::ac ratio').'</th>';
 	}
-	$header .= '<th class="text-center" style="width:190px;">'.UOJLocale::get('appraisal').'</th>';
+	if (isset($_COOKIE['show_difficulty'])) {
+		$header .= '<th class="text-center" style="width:3em;">'.UOJLocale::get('problems::difficulty').'</th>';
+	}
+	$header .= '<th class="text-center" style="width:170px;">'.UOJLocale::get('appraisal').'</th>';
 	$header .= '</tr>';
 
 	$pag_config = array('page_len' => 40);
-	$pag_config['col_names'] = array('best_ac_submissions.submission_id as submission_id', 'problems.id as id', 'problems.is_hidden as is_hidden', 'problems.title as title', 'problems.submit_num as submit_num', 'problems.ac_num as ac_num', 'problems.zan as zan', 'problems.extra_config as extra_config', 'problems.uploader as uploader');
+	$pag_config['col_names'] = array('best_ac_submissions.submission_id as submission_id', 'problems.id as id', 'problems.is_hidden as is_hidden', 'problems.title as title', 'problems.submit_num as submit_num', 'problems.ac_num as ac_num', 'problems.zan as zan', 'problems.extra_config as extra_config', 'problems.uploader as uploader', 'problems.extra_config as extra_config');
 
 	$pag_config['table_name'] = "problems left join best_ac_submissions on best_ac_submissions.submitter = '{$myUser['username']}' and problems.id = best_ac_submissions.problem_id inner join lists_problems lp on lp.list_id = {$list_id} and lp.problem_id = problems.id";
 
@@ -143,12 +154,16 @@ EOD;
 <?php endif ?>
 
 <div class="row">
-	<div class="col-sm-4"></div>
+	<div class="col-sm-4
-	<div class="col-sm-4 order-sm-5
 	<?php if (isset($REQUIRE_LIB['bootstrap5'])): ?>
-	text-end p-2
+	col-12
+	<?php endif ?>
+	"></div>
+	<div class="
+	<?php if (isset($REQUIRE_LIB['bootstrap5'])): ?>
+	text-end p-2 col-12 col-sm-8
 	<?php else: ?>
-	text-right checkbox
+	text-right checkbox order-sm-5 col-sm-4
 	<?php endif ?>
 	">
 		<?php if (isset($REQUIRE_LIB['bootstrap5'])): ?>
@@ -192,12 +207,39 @@ EOD;
 		<?php if (isset($REQUIRE_LIB['bootstrap5'])): ?>
 		</div>
 		<?php endif ?>
+
+		<?php if (isset($REQUIRE_LIB['bootstrap5'])): ?>
+		<div class="form-check d-inline-block">
+		<?php else: ?>
+		<label class="checkbox-inline" for="input-show_difficulty">
+		<?php endif ?>
+			<input type="checkbox" id="input-show_difficulty"
+				<?php if (isset($REQUIRE_LIB['bootstrap5'])): ?>
+				class="form-check-input"
+				<?php endif ?>
+				<?= isset($_COOKIE['show_difficulty']) ? 'checked="checked" ': ''?> />
+		<?php if (isset($REQUIRE_LIB['bootstrap5'])): ?>
+			<label class="form-check-label" for="input-show_difficulty">
+		<?php endif ?>
+				<?= UOJLocale::get('problems::show difficulty') ?>
+		</label>
+		<?php if (isset($REQUIRE_LIB['bootstrap5'])): ?>
+		</div>
+		<?php endif ?>
 	</div>
+	<?php if (!isset($REQUIRE_LIB['bootstrap5'])): ?>
 	<div class="col-sm-4 order-sm-3">
-	<?php echo $pag->pagination(); ?>
+		<?= $pag->pagination(); ?>
 	</div>
+	<?php endif ?>
 </div>
 
+<?php if (isset($REQUIRE_LIB['bootstrap5'])): ?>
+<div class="text-center">
+	<?= $pag->pagination(); ?>
+</div>
+<?php endif ?>
+
 <?php if (!isset($REQUIRE_LIB['bootstrap5'])): ?>
 <div class="top-buffer-sm"></div>
 <?php endif ?>

web/app/controllers/problem_set.php

@@ -92,6 +92,14 @@
 				</td>
 EOD;
 			}
+			if (isset($_COOKIE['show_difficulty'])) {
+				$extra_config = getProblemExtraConfig($problem);
+				if ($extra_config['difficulty'] == 0) {
+					echo "<td></td>";
+				} else {
+					echo "<td>{$extra_config['difficulty']}</td>";
+				}
+			}
 			echo '<td class="text-left">', getClickZanBlock('P', $problem['id'], $problem['zan']), '</td>';
 			echo '</tr>';
 		}
@@ -129,7 +137,10 @@ EOD;
 		$header .= '<th class="text-center" style="width:' . (isset($REQUIRE_LIB['bootstrap5']) ? '4' : '5') . 'em;">'.UOJLocale::get('problems::submit').'</th>';
 		$header .= '<th class="text-center" style="width:' . (isset($REQUIRE_LIB['bootstrap5']) ? '125' : '150') . 'px;">'.UOJLocale::get('problems::ac ratio').'</th>';
 	}
-	$header .= '<th class="text-center" style="width:190px;">'.UOJLocale::get('appraisal').'</th>';
+	if (isset($_COOKIE['show_difficulty'])) {
+		$header .= '<th class="text-center" style="width:3em;">'.UOJLocale::get('problems::difficulty').'</th>';
+	}
+	$header .= '<th class="text-center" style="width:170px;">'.UOJLocale::get('appraisal').'</th>';
 	$header .= '</tr>';
 	
 	$tabs_info = array(
@@ -144,7 +155,7 @@ EOD;
 	);
 
 	$pag_config = array('page_len' => 40);
-	$pag_config['col_names'] = array('best_ac_submissions.submission_id as submission_id', 'problems.id as id', 'problems.is_hidden as is_hidden', 'problems.title as title', 'problems.submit_num as submit_num', 'problems.ac_num as ac_num', 'problems.zan as zan', 'problems.extra_config as extra_config', 'problems.uploader as uploader');
+	$pag_config['col_names'] = array('best_ac_submissions.submission_id as submission_id', 'problems.id as id', 'problems.is_hidden as is_hidden', 'problems.title as title', 'problems.submit_num as submit_num', 'problems.ac_num as ac_num', 'problems.zan as zan', 'problems.extra_config as extra_config', 'problems.uploader as uploader', 'problems.extra_config as extra_config');
 	$pag_config['table_name'] = "problems left join best_ac_submissions on best_ac_submissions.submitter = '{$myUser['username']}' and problems.id = best_ac_submissions.problem_id";
 	$pag_config['cond'] = $cond;
 	$pag_config['tail'] = "order by id asc";
@@ -187,18 +198,16 @@ EOD;
 <?php endif ?>
 
 <div class="row">
-	<div class="
+	<div class="col-sm-4
 	<?php if (isset($REQUIRE_LIB['bootstrap5'])): ?>
-	col-12 col-sm-6
+	col-12
-	<?php else: ?>
-	col-sm-4
 	<?php endif ?>
 	">
 		<?= HTML::tablist($tabs_info, $cur_tab, 'nav-pills') ?>
 	</div>
 	<div class="
 	<?php if (isset($REQUIRE_LIB['bootstrap5'])): ?>
-	text-end p-2 col-12 col-sm-6
+	text-end p-2 col-12 col-sm-8
 	<?php else: ?>
 	text-right checkbox order-sm-5 col-sm-4
 	<?php endif ?>
@@ -244,6 +253,25 @@ EOD;
 		<?php if (isset($REQUIRE_LIB['bootstrap5'])): ?>
 		</div>
 		<?php endif ?>
+
+		<?php if (isset($REQUIRE_LIB['bootstrap5'])): ?>
+		<div class="form-check d-inline-block">
+		<?php else: ?>
+		<label class="checkbox-inline" for="input-show_difficulty">
+		<?php endif ?>
+			<input type="checkbox" id="input-show_difficulty"
+				<?php if (isset($REQUIRE_LIB['bootstrap5'])): ?>
+				class="form-check-input"
+				<?php endif ?>
+				<?= isset($_COOKIE['show_difficulty']) ? 'checked="checked" ': ''?> />
+		<?php if (isset($REQUIRE_LIB['bootstrap5'])): ?>
+			<label class="form-check-label" for="input-show_difficulty">
+		<?php endif ?>
+				<?= UOJLocale::get('problems::show difficulty') ?>
+		</label>
+		<?php if (isset($REQUIRE_LIB['bootstrap5'])): ?>
+		</div>
+		<?php endif ?>
 	</div>
 	<?php if (!isset($REQUIRE_LIB['bootstrap5'])): ?>
 	<div class="col-sm-4 order-sm-3">
@@ -275,6 +303,14 @@ $('#input-show_submit_mode').click(function() {
 	}
 	location.reload();
 });
+$('#input-show_difficulty').click(function() {
+	if (this.checked) {
+		$.cookie('show_difficulty', '', {path: '/'});
+	} else {
+		$.removeCookie('show_difficulty', {path: '/'});
+	}
+	location.reload();
+});
 </script>
 <div class="<?= join($div_classes, ' ') ?>">
 	<table class="<?= join($table_classes, ' ') ?>">

web/app/locale/problems/en.php

@@ -48,5 +48,7 @@ return [
 	'submission id' => 'Submission ID',
 	'my submissions' => 'My Submissions',
 	'hacks by me' => 'Hacks by me',
-	'hacks to me' => 'Hacks to me'
+	'hacks to me' => 'Hacks to me',
+	'difficulty' => 'Difficulty',
+	'show difficulty' => 'Show difficulty',
 ];

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

@@ -48,5 +48,7 @@ return [
 	'submission id' => '提交记录ID',
 	'my submissions' => '我的提交记录',
 	'hacks by me' => '我的Hack记录',
-	'hacks to me' => '我的被Hack记录'
+	'hacks to me' => '我的被Hack记录',
+	'difficulty' => '难度',
+	'show difficulty' => '显示难度',
 ];