feibisi
527ab8e4e8
WordPress mu-plugin，支持 /t/ /c/ /u/ /p/ /g/ /h/ 六种短链格式 301 重定向到 Discourse 社区，带访问统计和仪表盘小工具 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
300 lines
11 KiB
PHP
300 lines
11 KiB
PHP
<?php
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/**
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* Plugin Name: Discourse Short Links
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* Description: 短链接重定向到文派社区
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* Version: 1.1.0
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* Author: WPCommunity
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*
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* 配置方式 (在 wp-config.php 中添加):
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* define('DISCOURSE_SHORTLINK_URL', 'https://your-discourse.com');
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* define('DISCOURSE_SHORTLINK_STATS', true);
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*
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* 支持格式:
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* /t/123 → 话题
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* /c/slug → 分类
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* /u/user → 用户
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* /p/123 → 帖子
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* /g/group → 群组
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* /h/tag → 标签
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*/
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// 默认配置（可在 wp-config.php 中覆盖）
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if (!defined('DISCOURSE_SHORTLINK_URL')) {
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define('DISCOURSE_SHORTLINK_URL', 'https://wpcommunity.com');
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}
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if (!defined('DISCOURSE_SHORTLINK_STATS')) {
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define('DISCOURSE_SHORTLINK_STATS', true);
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}
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/**
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* 记录统计
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*/
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function discourse_shortlink_log($type, $target) {
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if (!DISCOURSE_SHORTLINK_STATS) return;
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$stats = get_option('discourse_shortlink_stats', []);
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$today = date('Y-m-d');
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if (!isset($stats[$today])) $stats[$today] = [];
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$key = $type . ':' . $target;
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if (!isset($stats[$today][$key])) $stats[$today][$key] = 0;
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$stats[$today][$key]++;
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// 保留 30 天
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$cutoff = date('Y-m-d', strtotime('-30 days'));
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foreach (array_keys($stats) as $date) {
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if ($date < $cutoff) unset($stats[$date]);
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}
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update_option('discourse_shortlink_stats', $stats);
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}
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/**
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* 获取统计
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*/
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function discourse_shortlink_get_stats() {
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$stats = get_option('discourse_shortlink_stats', []);
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$summary = ['total'=>0, 'today'=>0, 'yesterday'=>0, 'week'=>0, 'by_type'=>[], 'top_links'=>[]];
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$today = date('Y-m-d');
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$yesterday = date('Y-m-d', strtotime('-1 day'));
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$week_ago = date('Y-m-d', strtotime('-7 days'));
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$all_links = [];
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foreach ($stats as $date => $links) {
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foreach ($links as $key => $count) {
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$summary['total'] += $count;
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if ($date === $today) $summary['today'] += $count;
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if ($date === $yesterday) $summary['yesterday'] += $count;
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if ($date >= $week_ago) $summary['week'] += $count;
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$type = explode(':', $key)[0];
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if (!isset($summary['by_type'][$type])) $summary['by_type'][$type] = 0;
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$summary['by_type'][$type] += $count;
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if (!isset($all_links[$key])) $all_links[$key] = 0;
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$all_links[$key] += $count;
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}
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}
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arsort($all_links);
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$summary['top_links'] = array_slice($all_links, 0, 10, true);
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return $summary;
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}
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/**
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* 重置统计
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*/
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function discourse_shortlink_reset_stats() {
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delete_option('discourse_shortlink_stats');
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return true;
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}
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/**
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* 重定向处理
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*/
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add_action('init', function() {
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$uri = strtok($_SERVER['REQUEST_URI'], '?');
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$url = DISCOURSE_SHORTLINK_URL;
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$redirect = $type = $target = null;
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// 话题: /t/123
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if (preg_match('#^/t/(\d+)/?$#', $uri, $m)) {
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$type = 'topic';
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$target = $m[1];
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$redirect = $url . '/t/-/' . $m[1];
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}
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// 分类: /c/slug 或 /c/parent/child
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elseif (preg_match('#^/c/(.+?)/?$#', $uri, $m)) {
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$type = 'category';
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$target = $m[1];
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$redirect = $url . '/c/' . $m[1];
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}
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// 用户: /u/username
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elseif (preg_match('#^/u/([^/]+)/?$#', $uri, $m)) {
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$type = 'user';
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$target = $m[1];
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$redirect = $url . '/u/' . $m[1];
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}
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// 帖子: /p/123
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elseif (preg_match('#^/p/(\d+)/?$#', $uri, $m)) {
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$type = 'post';
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$target = $m[1];
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$redirect = $url . '/p/' . $m[1];
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}
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// 群组: /g/groupname
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elseif (preg_match('#^/g/([^/]+)/?$#', $uri, $m)) {
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$type = 'group';
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$target = $m[1];
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$redirect = $url . '/g/' . $m[1];
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}
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// 标签: /h/tagname
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elseif (preg_match('#^/h/([^/]+)/?$#', $uri, $m)) {
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$type = 'tag';
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$target = $m[1];
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$redirect = $url . '/tag/' . $m[1];
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}
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if ($redirect) {
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discourse_shortlink_log($type, $target);
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wp_redirect($redirect, 301);
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exit;
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}
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}, 1);
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/**
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* 处理重置请求
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*/
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add_action('admin_init', function() {
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if (isset($_POST['discourse_shortlink_reset']) && check_admin_referer('discourse_shortlink_reset_nonce')) {
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if (current_user_can('manage_options')) {
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discourse_shortlink_reset_stats();
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add_action('admin_notices', function() {
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echo '<div class="notice notice-success is-dismissible"><p>短链统计已重置。</p></div>';
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});
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}
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}
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});
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/**
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* 仪表盘小工具
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*/
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add_action('wp_dashboard_setup', function() {
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wp_add_dashboard_widget(
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'discourse_shortlinks_widget',
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'短链统计',
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'discourse_shortlinks_dashboard_widget'
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);
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});
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function discourse_shortlinks_dashboard_widget() {
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$stats = discourse_shortlink_get_stats();
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$labels = ['topic'=>'话题', 'category'=>'分类', 'user'=>'用户', 'post'=>'帖子', 'group'=>'群组', 'tag'=>'标签'];
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$allowed = array_keys($labels);
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$stats['by_type'] = array_filter($stats['by_type'], fn($v, $k) => in_array($k, $allowed), ARRAY_FILTER_USE_BOTH);
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$stats['top_links'] = array_filter($stats['top_links'], fn($v, $k) => in_array(explode(':', $k)[0], $allowed), ARRAY_FILTER_USE_BOTH);
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?>
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<style>
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.dsl-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:20px}
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.dsl-card{background:#f6f7f7;border:1px solid #c3c4c7;padding:6px;border-radius:4px;text-align:center}
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.dsl-card.primary{background:#2271b1;border-color:#2271b1;color:#fff}
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.dsl-num{font-size:18px;font-weight:600;line-height:1.2}
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.dsl-lbl{font-size:12px;margin-top:4px;color:#50575e}
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.dsl-card.primary .dsl-lbl{color:rgba(255,255,255,.85)}
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.dsl-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
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.dsl-tag{background:#f6f7f7;border:1px solid #c3c4c7;padding:4px 10px;border-radius:3px;font-size:12px;color:#50575e}
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.dsl-list{max-height:200px;overflow-y:auto}
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.dsl-list table{width:100%;border-collapse:collapse}
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.dsl-list td{padding:8px;border-bottom:1px solid #f0f0f1;font-size:13px}
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.dsl-list tr:hover{background:#f6f7f7}
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.dsl-list a{text-decoration:none;color:#2271b1}
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.dsl-list a:hover{text-decoration:underline}
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.dsl-list .type{color:#787c82;font-size:12px;margin-left:8px}
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.dsl-list .count{font-weight:600;color:#1d2327}
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.dsl-info{border-top:1px solid #c3c4c7;padding-top:12px;margin-top:16px;font-size:12px;color:#50575e}
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.dsl-info code{background:#f0f0f1;padding:2px 6px;border-radius:3px;font-size:11px}
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.dsl-header{display:flex;justify-content:space-between;align-items:center;margin:0 0 8px}
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.dsl-reset{background:none;border:none;color:#787c82;font-size:12px;cursor:pointer;padding:0}
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.dsl-reset:hover{color:#d63638;text-decoration:underline}
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</style>
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<div class="dsl-grid">
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<div class="dsl-card primary">
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<div class="dsl-num"><?php echo number_format_i18n($stats['today']); ?></div>
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<div class="dsl-lbl">今日访问</div>
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</div>
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<div class="dsl-card">
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<div class="dsl-num"><?php echo number_format_i18n($stats['yesterday']); ?></div>
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<div class="dsl-lbl">昨日访问</div>
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</div>
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<div class="dsl-card">
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<div class="dsl-num"><?php echo number_format_i18n($stats['week']); ?></div>
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<div class="dsl-lbl">近 7 天</div>
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</div>
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<div class="dsl-card">
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<div class="dsl-num"><?php echo number_format_i18n($stats['total']); ?></div>
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<div class="dsl-lbl">累计访问</div>
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</div>
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</div>
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<div class="dsl-header">
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<h4 style="margin:0;font-size:13px;color:#1d2327">按类型统计</h4>
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<form method="post" style="margin:0" onsubmit="return confirm('确定要重置所有统计数据吗？此操作不可撤销。');">
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<?php wp_nonce_field('discourse_shortlink_reset_nonce'); ?>
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<button type="submit" name="discourse_shortlink_reset" value="1" class="dsl-reset">重置</button>
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</form>
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</div>
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<?php if (!empty($stats['by_type'])): ?>
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<div class="dsl-tags">
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<?php foreach ($stats['by_type'] as $t => $c): ?>
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<span class="dsl-tag"><?php echo esc_html($labels[$t] ?? $t); ?> <strong><?php echo number_format_i18n($c); ?></strong></span>
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<?php endforeach; ?>
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</div>
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<?php else: ?>
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<p style="color:#787c82;font-size:12px;margin:8px 0">暂无统计数据</p>
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<?php endif; ?>
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<?php if (!empty($stats['top_links'])): ?>
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<h4 style="margin:0 0 8px;font-size:13px;color:#1d2327">热门链接</h4>
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<div class="dsl-list"><table>
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<?php foreach ($stats['top_links'] as $key => $cnt):
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list($t, $tgt) = explode(':', $key, 2);
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$short = match($t) {
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'topic' => "/t/$tgt",
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'category' => "/c/$tgt",
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'user' => "/u/$tgt",
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'post' => "/p/$tgt",
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'group' => "/g/$tgt",
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'tag' => "/h/$tgt",
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default => "/$t/$tgt"
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};
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$full = match($t) {
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'topic' => DISCOURSE_SHORTLINK_URL . "/t/-/$tgt",
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'category' => DISCOURSE_SHORTLINK_URL . "/c/$tgt",
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'user' => DISCOURSE_SHORTLINK_URL . "/u/$tgt",
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'post' => DISCOURSE_SHORTLINK_URL . "/p/$tgt",
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'group' => DISCOURSE_SHORTLINK_URL . "/g/$tgt",
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'tag' => DISCOURSE_SHORTLINK_URL . "/tag/$tgt",
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default => DISCOURSE_SHORTLINK_URL . "/$t/$tgt"
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};
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?>
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<tr>
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<td>
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<a href="<?php echo esc_url($full); ?>" target="_blank"><?php echo esc_html($short); ?></a>
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<span class="type"><?php echo esc_html($labels[$t] ?? $t); ?></span>
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</td>
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<td style="text-align:right">
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<span class="count"><?php echo number_format_i18n($cnt); ?></span>
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</td>
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</tr>
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<?php endforeach; ?>
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</table></div>
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<?php endif; ?>
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<div class="dsl-info">
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<code>/t/123</code> 话题
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<code>/c/slug</code> 分类
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<code>/u/user</code> 用户
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<code>/p/123</code> 帖子
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<code>/g/name</code> 群组
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<code>/h/tag</code> 标签
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</div>
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<?php
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}
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/**
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* REST API
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*/
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add_action('rest_api_init', function() {
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register_rest_route('discourse/v1', '/shortlink-stats', [
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'methods' => 'GET',
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'callback' => fn() => discourse_shortlink_get_stats(),
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'permission_callback' => fn() => current_user_can('manage_options')
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]);
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register_rest_route('discourse/v1', '/shortlink-reset', [
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'methods' => 'POST',
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'callback' => fn() => ['success' => discourse_shortlink_reset_stats()],
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'permission_callback' => fn() => current_user_can('manage_options')
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]);
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});
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