457 lines
16 KiB
PHP
457 lines
16 KiB
PHP
<?php
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// ========== 配置 ==========
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// 你的 GitHub 仓库 Raw 文件地址（必须公开仓库）
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define('JSON_URL', 'https://raw.githubusercontent.com/hanyixuanten/OI-contest-fetch/master/contests_all.json');
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// 缓存文件路径（与 index.php 同目录，需可写）
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define('CACHE_FILE', __DIR__ . '/contests_all_cache.json');
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// 缓存有效期（秒），这里设 5 分钟
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define('CACHE_TTL', 300);
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// ========== 本地化逻辑 ==========
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$translations = [
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'zh' => [
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'html_lang' => 'zh-CN',
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'page_title' => '信息竞赛日程',
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'heading' => '信息竞赛日程',
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'upcoming_title' => '即将到来的信息竞赛',
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'finished_title' => '已结束的信息竞赛',
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'load_error' => '暂时无法加载赛事数据，请稍后再试。',
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'finished_load_error' => '暂时无法加载已结束赛事数据，请稍后再试。',
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'empty_upcoming' => '暂无即将开始的赛事。',
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'empty_finished' => '暂无最近结束的赛事。',
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'ended' => '已结束',
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'running' => '进行中',
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'timezone_label' => '时区',
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'last_updated_label' => '最后更新时间',
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'day' => '天',
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'hour' => '时',
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'minute' => '分',
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'second' => '秒'
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],
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'en' => [
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'html_lang' => 'en',
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'page_title' => 'OI Contest Schedule',
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'heading' => 'OI Contest Schedule',
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'upcoming_title' => 'Upcoming Contests',
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'finished_title' => 'Finished Contests',
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'load_error' => 'Contest data is temporarily unavailable. Please try again later.',
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'finished_load_error' => 'Finished contest data is temporarily unavailable. Please try again later.',
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'empty_upcoming' => 'No upcoming contests.',
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'empty_finished' => 'No recently finished contests.',
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'ended' => 'Ended',
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'running' => 'Running',
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'timezone_label' => 'Time zone',
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'last_updated_label' => 'Last updated',
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'day' => 'd',
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'hour' => 'h',
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'minute' => 'm',
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'second' => 's'
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]
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];
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function normalize_language($lang) {
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$lang = strtolower(trim($lang));
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if (strpos($lang, 'zh') === 0) {
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return 'zh';
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}
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if (strpos($lang, 'en') === 0) {
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return 'en';
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}
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return 'en';
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}
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function detect_language($translations) {
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$lang = '';
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if (isset($_GET['lang'])) {
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$lang = $_GET['lang'];
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} elseif (isset($_COOKIE['oi_lang'])) {
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$lang = $_COOKIE['oi_lang'];
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} elseif (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
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$accepted_languages = explode(',', $_SERVER['HTTP_ACCEPT_LANGUAGE']);
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$lang = $accepted_languages[0];
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}
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return normalize_language($lang);
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}
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function detect_timezone() {
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if (isset($_COOKIE['oi_timezone']) && in_array($_COOKIE['oi_timezone'], timezone_identifiers_list(), true)) {
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return $_COOKIE['oi_timezone'];
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}
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return date_default_timezone_get();
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}
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$current_lang = detect_language($translations);
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$t = $translations[$current_lang];
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$current_timezone = detect_timezone();
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$timezone = new DateTimeZone($current_timezone);
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// ========== 缓存逻辑 ==========
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function fetch_and_cache($url, $cache_file, $ttl) {
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// 如果缓存存在且未过期，直接返回缓存内容
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if (file_exists($cache_file) && (time() - filemtime($cache_file) < $ttl)) {
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return file_get_contents($cache_file);
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}
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// 远程获取 JSON
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$json = false;
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if (ini_get('allow_url_fopen')) {
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$json = @file_get_contents($url);
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} elseif (function_exists('curl_init')) {
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// 备选：使用 cURL
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$ch = curl_init($url);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($ch, CURLOPT_TIMEOUT, 20);
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curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
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$json = curl_exec($ch);
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curl_close($ch);
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}
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if ($json === false) {
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// 远程获取失败，若有旧缓存则使用旧缓存（即使过期）
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if (file_exists($cache_file)) {
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return file_get_contents($cache_file);
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}
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return false;
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}
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// 验证是否为有效 JSON
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$data = json_decode($json, true);
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if (json_last_error() !== JSON_ERROR_NONE) {
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// JSON 解析失败，使用旧缓存
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if (file_exists($cache_file)) {
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return file_get_contents($cache_file);
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}
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return false;
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}
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// 写入缓存文件
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@file_put_contents($cache_file, $json, LOCK_EX);
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return $json;
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}
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function parse_contest_payload($json) {
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$data = json_decode($json, true);
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if (!is_array($data)) {
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return false;
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}
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if (isset($data['contests']) && is_array($data['contests'])) {
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return [
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'generated_at' => isset($data['generated_at']) ? (int)$data['generated_at'] : 0,
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'contests' => $data['contests']
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];
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}
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return [
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'generated_at' => 0,
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'contests' => $data
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];
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}
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// 获取赛事 JSON
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$contests_json = fetch_and_cache(JSON_URL, CACHE_FILE, CACHE_TTL);
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if ($contests_json === false) {
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$contests = [];
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$finished_contests = [];
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$last_generated_at = 0;
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$error_msg = $t['load_error'];
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$finished_error_msg = $t['finished_load_error'];
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} else {
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$contests_payload = parse_contest_payload($contests_json);
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if ($contests_payload === false) {
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$contests = [];
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$finished_contests = [];
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$last_generated_at = 0;
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$error_msg = $t['load_error'];
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$finished_error_msg = $t['finished_load_error'];
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} else {
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$all_contests = $contests_payload['contests'];
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$contests = [];
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$finished_contests = [];
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foreach ($all_contests as $contest) {
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if (contest_value($contest, 'status', '') === 'finished') {
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$finished_contests[] = $contest;
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} else {
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$contests[] = $contest;
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}
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}
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usort($contests, function($left, $right) {
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return (int)contest_value($left, 'start_time', 0) - (int)contest_value($right, 'start_time', 0);
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});
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usort($finished_contests, function($left, $right) {
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return (int)contest_value($left, 'end_time', 0) - (int)contest_value($right, 'end_time', 0);
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});
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$last_generated_at = $contests_payload['generated_at'];
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$error_msg = '';
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$finished_error_msg = '';
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}
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}
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// ========== 平台样式映射 ==========
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$platform_class = [
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'Codeforces' => 'cf',
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'AtCoder' => 'atc',
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'UOJ' => 'uoj',
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'Nowcoder' => 'nowcoder'
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];
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function h($value) {
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return htmlspecialchars((string)$value, ENT_QUOTES, 'UTF-8');
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}
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// 辅助函数：Unix 时间戳按当前时区格式化
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function format_time($ts, $timezone, $include_seconds=false) {
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$date = new DateTime('@' . $ts);
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$date->setTimezone($timezone);
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return $date->format($include_seconds ? 'Y-m-d H:i:s' : 'Y-m-d H:i');
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}
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function platform_class_name($platform, $platform_class) {
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return isset($platform_class[$platform]) ? $platform_class[$platform] : '';
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}
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function contest_value($contest, $key, $default) {
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return is_array($contest) && isset($contest[$key]) ? $contest[$key] : $default;
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}
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?>
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<!DOCTYPE html>
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<html lang="<?php echo h($t['html_lang']); ?>">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title><?php echo h($t['page_title']); ?></title>
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<link rel="icon" href="favicon.ico" type="image/x-icon">
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<style>
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body { font-family: 'Segoe UI', system-ui, sans-serif; background: #f5f7fa; margin: 0; padding: 20px; }
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.container { max-width: 900px; margin: 0 auto; }
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h1 { text-align: center; color: #2c3e50; }
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.meta { text-align: center; color: #7f8c8d; font-size: 13px; margin-top: 4px; }
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.card {
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background: white; border-radius: 12px; padding: 20px; margin: 15px 0;
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box-shadow: 0 4px 12px rgba(0,0,0,0.08); display: flex; justify-content: space-between;
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align-items: center; flex-wrap: wrap;
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}
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.platform {
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font-weight: 700; color: white; padding: 4px 12px; border-radius: 20px;
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font-size: 14px; background: #3498db;
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}
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.platform.cf { background: #1f8acb; }
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.platform.atc { background: #5b8c5a; }
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.platform.uoj { background: #c0392b; }
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.platform.nowcoder { background: #00a6a6; }
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.info { flex: 1; margin-left: 15px; }
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.title { font-size: 18px; font-weight: 600; color: #2c3e50; }
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.time { font-size: 14px; color: #7f8c8d; margin-top: 5px; }
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.countdown { font-weight: 700; color: #e74c3c; margin-left: auto; min-width: 120px; text-align: right; }
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.status-ended { font-weight: 700; color: #95a5a6; margin-left: auto; min-width: 120px; text-align: right; }
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.section-title { color: #2c3e50; margin: 35px 0 10px; border-bottom: 1px solid #dfe6e9; padding-bottom: 8px; }
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a { text-decoration: none; color: inherit; }
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.error { text-align: center; color: #e74c3c; padding: 20px; }
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</style>
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</head>
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<body>
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<div class="container">
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<h1>📅 <?php echo h($t['heading']); ?></h1>
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<div class="meta"><?php echo h($t['timezone_label']); ?>: <span id="timezone-label"><?php echo h($current_timezone); ?></span></div>
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<?php if ($last_generated_at > 0): ?>
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<div class="meta"><?php echo h($t['last_updated_label']); ?>: <span id="last-updated" data-generated-at="<?php echo $last_generated_at; ?>"><?php echo h(format_time($last_generated_at, $timezone, true)); ?></span></div>
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<?php endif; ?>
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<h2 class="section-title"><?php echo h($t['upcoming_title']); ?></h2>
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<?php if ($error_msg): ?>
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<div class="error"><?php echo h($error_msg); ?></div>
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<?php elseif (empty($contests)): ?>
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<p style="text-align:center"><?php echo h($t['empty_upcoming']); ?></p>
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<?php else: ?>
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<?php foreach ($contests as $c): ?>
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<?php
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$platform = contest_value($c, 'platform', '');
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$title = contest_value($c, 'title', '');
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$url = contest_value($c, 'url', '#');
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$start_ts = (int)contest_value($c, 'start_time', 0);
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$end_ts = (int)contest_value($c, 'end_time', 0);
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$cls = platform_class_name($platform, $platform_class);
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$start_time = format_time($start_ts, $timezone);
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$end_time = format_time($end_ts, $timezone);
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?>
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<a href="<?php echo h($url); ?>" target="_blank" class="card">
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<span class="platform <?php echo h($cls); ?>"><?php echo h($platform); ?></span>
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<div class="info">
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<div class="title"><?php echo h($title); ?></div>
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<div class="time" data-start="<?php echo $start_ts; ?>" data-end="<?php echo $end_ts; ?>"><?php echo h($start_time); ?> ~ <?php echo h($end_time); ?></div>
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</div>
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<div class="countdown" data-start="<?php echo $start_ts; ?>"></div>
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</a>
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<?php endforeach; ?>
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<?php endif; ?>
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<h2 class="section-title"><?php echo h($t['finished_title']); ?></h2>
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<?php if ($finished_error_msg): ?>
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<div class="error"><?php echo h($finished_error_msg); ?></div>
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<?php elseif (empty($finished_contests)): ?>
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<p style="text-align:center"><?php echo h($t['empty_finished']); ?></p>
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<?php else: ?>
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<?php foreach (array_reverse($finished_contests) as $c): ?>
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<?php
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$platform = contest_value($c, 'platform', '');
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$title = contest_value($c, 'title', '');
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$url = contest_value($c, 'url', '#');
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$start_ts = (int)contest_value($c, 'start_time', 0);
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$end_ts = (int)contest_value($c, 'end_time', 0);
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$cls = platform_class_name($platform, $platform_class);
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$start_time = format_time($start_ts, $timezone);
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$end_time = format_time($end_ts, $timezone);
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?>
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<a href="<?php echo h($url); ?>" target="_blank" class="card">
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<span class="platform <?php echo h($cls); ?>"><?php echo h($platform); ?></span>
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<div class="info">
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<div class="title"><?php echo h($title); ?></div>
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<div class="time" data-start="<?php echo $start_ts; ?>" data-end="<?php echo $end_ts; ?>"><?php echo h($start_time); ?> ~ <?php echo h($end_time); ?></div>
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</div>
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<div class="status-ended"><?php echo h($t['ended']); ?></div>
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</a>
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<?php endforeach; ?>
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<?php endif; ?>
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</div>
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<script>
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var translations = <?php echo json_encode($t, JSON_UNESCAPED_UNICODE | JSON_HEX_TAG | JSON_HEX_APOS | JSON_HEX_AMP | JSON_HEX_QUOT); ?>;
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var serverLanguage = <?php echo json_encode($current_lang); ?>;
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var serverTimezone = <?php echo json_encode($current_timezone); ?>;
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var generatedAt = <?php echo json_encode($last_generated_at); ?>;
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function cookieValue(name) {
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var parts = document.cookie ? document.cookie.split('; ') : [];
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for (var i = 0; i < parts.length; i++) {
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var pair = parts[i].split('=');
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if (decodeURIComponent(pair[0]) === name) {
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return decodeURIComponent(pair.slice(1).join('='));
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}
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}
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return '';
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}
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function setCookie(name, value) {
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document.cookie = encodeURIComponent(name) + '=' + encodeURIComponent(value) + '; max-age=31536000; path=/; samesite=lax';
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}
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function normalizeLanguage(language) {
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language = (language || '').toLowerCase();
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if (language.indexOf('zh') === 0) return 'zh';
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if (language.indexOf('en') === 0) return 'en';
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return 'en';
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}
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function syncSystemLocale() {
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if (window.sessionStorage && sessionStorage.getItem('oi_locale_sync_attempted') === '1') {
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return;
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}
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var systemLanguage = normalizeLanguage(navigator.language || (navigator.languages && navigator.languages[0]) || serverLanguage);
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var systemTimezone = serverTimezone;
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if (window.Intl && Intl.DateTimeFormat) {
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systemTimezone = Intl.DateTimeFormat().resolvedOptions().timeZone || serverTimezone;
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}
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var changed = false;
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if (cookieValue('oi_lang') !== systemLanguage) {
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setCookie('oi_lang', systemLanguage);
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changed = true;
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}
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if (systemTimezone && cookieValue('oi_timezone') !== systemTimezone) {
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setCookie('oi_timezone', systemTimezone);
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changed = true;
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}
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if ((systemLanguage !== serverLanguage || systemTimezone !== serverTimezone) && changed) {
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if (window.sessionStorage) {
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sessionStorage.setItem('oi_locale_sync_attempted', '1');
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}
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window.location.reload();
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}
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}
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function formatDateTime(ts) {
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if (window.Intl && Intl.DateTimeFormat) {
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return new Intl.DateTimeFormat(serverLanguage === 'en' ? 'en-US' : 'zh-CN', {
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year: 'numeric',
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month: '2-digit',
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day: '2-digit',
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hour: '2-digit',
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minute: '2-digit',
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hour12: false,
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timeZone: serverTimezone
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}).format(new Date(ts * 1000));
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}
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return '';
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}
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function formatDateTimeWithSeconds(ts) {
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if (window.Intl && Intl.DateTimeFormat) {
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return new Intl.DateTimeFormat(serverLanguage === 'en' ? 'en-US' : 'zh-CN', {
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year: 'numeric',
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month: '2-digit',
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day: '2-digit',
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hour: '2-digit',
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minute: '2-digit',
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second: '2-digit',
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hour12: false,
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timeZone: serverTimezone
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}).format(new Date(ts * 1000));
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}
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return '';
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}
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function updateTimes() {
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var timezoneLabel = document.getElementById('timezone-label');
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if (timezoneLabel) timezoneLabel.textContent = serverTimezone;
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var lastUpdated = document.getElementById('last-updated');
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if (lastUpdated) {
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var generatedAtTs = parseInt(lastUpdated.getAttribute('data-generated-at') || generatedAt, 10);
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var generatedAtText = formatDateTimeWithSeconds(generatedAtTs);
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if (generatedAtText) {
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lastUpdated.textContent = generatedAtText;
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}
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}
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var els = document.querySelectorAll('.time');
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els.forEach(function(el) {
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var start = parseInt(el.getAttribute('data-start'), 10);
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var end = parseInt(el.getAttribute('data-end'), 10);
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var startText = formatDateTime(start);
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var endText = formatDateTime(end);
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if (startText && endText) {
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el.textContent = startText + ' ~ ' + endText;
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}
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});
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}
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function calcCountdown(startTs) {
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var diff = startTs * 1000 - Date.now();
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if (diff <= 0) return translations.running;
|
|
var d = Math.floor(diff / 86400000);
|
|
var h = Math.floor((diff % 86400000) / 3600000);
|
|
var m = Math.floor((diff % 3600000) / 60000);
|
|
var s = Math.floor((diff % 60000) / 1000);
|
|
if (serverLanguage === 'en') {
|
|
return d + translations.day + ' ' + h + translations.hour + ' ' + m + translations.minute + ' ' + s + translations.second;
|
|
}
|
|
return d + translations.day + ' ' + h + translations.hour + ' ' + m + translations.minute + ' ' + s + translations.second;
|
|
}
|
|
|
|
function updateCountdowns() {
|
|
var els = document.querySelectorAll('.countdown');
|
|
els.forEach(function(el) {
|
|
var start = parseInt(el.getAttribute('data-start'));
|
|
el.textContent = calcCountdown(start);
|
|
});
|
|
}
|
|
syncSystemLocale();
|
|
updateTimes();
|
|
setInterval(updateCountdowns, 1000);
|
|
updateCountdowns();
|
|
</script>
|
|
</body>
|
|
</html>
|