feibisi
effa49e11c
- 添加 WPMind AI Translation 设置面板 UI - 显示 WPMind 状态（已配置/未配置） - 修复缓存键包含语言设置，避免不同目标语言缓存冲突 - 添加 WPMind 配置链接
380 lines
No EOL
13 KiB
PHP
380 lines
No EOL
13 KiB
PHP
<?php
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if (!defined('ABSPATH')) {
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exit;
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}
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class WPSlug_Translator {
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private $converter;
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/**
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* 防止循环调用的静态标志
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* 当使用 WPMind 翻译时，WPMind 内部可能触发 sanitize_title filter
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* 如果没有保护，会导致无限递归
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*
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* @var bool
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*/
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private static $is_translating = false;
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public function __construct() {
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$this->converter = null;
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}
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public function translate($text, $options = array()) {
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if (empty($text)) {
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return '';
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}
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// 防止循环调用：如果正在翻译中，直接回退到拼音
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if (self::$is_translating) {
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return $this->fallbackTranslate($text, $options);
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}
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$service = isset($options['translation_service']) ? $options['translation_service'] : 'none';
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switch ($service) {
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case 'wpmind':
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// WPMind 服务需要循环保护
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self::$is_translating = true;
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try {
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$result = $this->translateWPMind($text, $options);
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} finally {
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self::$is_translating = false;
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}
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return $result;
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case 'google':
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return $this->translateGoogle($text, $options);
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case 'baidu':
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return $this->translateBaidu($text, $options);
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case 'none':
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default:
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return $this->fallbackTranslate($text, $options);
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}
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}
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private function translateGoogle($text, $options) {
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$api_key = isset($options['google_api_key']) ? trim($options['google_api_key']) : '';
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$source_lang = isset($options['translation_source_lang']) ? $options['translation_source_lang'] : 'auto';
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$target_lang = isset($options['translation_target_lang']) ? $options['translation_target_lang'] : 'en';
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if (empty($api_key)) {
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return $this->fallbackTranslate($text, $options);
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}
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if (strlen($text) > 5000) {
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return $this->fallbackTranslate($text, $options);
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}
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try {
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$url = 'https://translation.googleapis.com/language/translate/v2';
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$params = array(
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'key' => $api_key,
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'q' => $text,
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'source' => $source_lang,
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'target' => $target_lang,
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'format' => 'text'
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);
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$response = wp_remote_post($url, array(
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'timeout' => 15,
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'body' => $params,
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'headers' => array(
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'User-Agent' => 'WPSlug/' . WPSLUG_VERSION
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)
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));
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if (is_wp_error($response)) {
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if (isset($options['debug_mode']) && $options['debug_mode']) {
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error_log('WPSlug Google Translate Error: ' . $response->get_error_message());
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}
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return $this->fallbackTranslate($text, $options);
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}
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$response_code = wp_remote_retrieve_response_code($response);
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if ($response_code !== 200) {
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if (isset($options['debug_mode']) && $options['debug_mode']) {
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error_log('WPSlug Google Translate HTTP Error: ' . $response_code);
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}
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return $this->fallbackTranslate($text, $options);
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}
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$body = wp_remote_retrieve_body($response);
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$data = json_decode($body, true);
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if (isset($data['data']['translations'][0]['translatedText'])) {
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$translated = $data['data']['translations'][0]['translatedText'];
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return $this->cleanTranslatedText($translated);
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}
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return $this->fallbackTranslate($text, $options);
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} catch (Exception $e) {
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if (isset($options['debug_mode']) && $options['debug_mode']) {
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error_log('WPSlug translateGoogle error: ' . $e->getMessage());
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}
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return $this->fallbackTranslate($text, $options);
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}
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}
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private function translateBaidu($text, $options) {
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$app_id = isset($options['baidu_app_id']) ? trim($options['baidu_app_id']) : '';
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$secret_key = isset($options['baidu_secret_key']) ? trim($options['baidu_secret_key']) : '';
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$source_lang = isset($options['translation_source_lang']) ? $options['translation_source_lang'] : 'auto';
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$target_lang = isset($options['translation_target_lang']) ? $options['translation_target_lang'] : 'en';
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if (empty($app_id) || empty($secret_key)) {
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return $this->fallbackTranslate($text, $options);
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}
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if (strlen($text) > 6000) {
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return $this->fallbackTranslate($text, $options);
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}
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try {
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$salt = wp_rand(10000, 99999);
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$sign = md5($app_id . $text . $salt . $secret_key);
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$url = 'https://fanyi-api.baidu.com/api/trans/vip/translate';
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$params = array(
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'q' => $text,
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'from' => $source_lang,
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'to' => $target_lang,
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'appid' => $app_id,
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'salt' => $salt,
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'sign' => $sign
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);
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$response = wp_remote_post($url, array(
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'timeout' => 15,
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'body' => $params,
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'headers' => array(
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'User-Agent' => 'WPSlug/' . WPSLUG_VERSION
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)
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));
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if (is_wp_error($response)) {
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if (isset($options['debug_mode']) && $options['debug_mode']) {
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error_log('WPSlug Baidu Translate Error: ' . $response->get_error_message());
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}
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return $this->fallbackTranslate($text, $options);
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}
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$response_code = wp_remote_retrieve_response_code($response);
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if ($response_code !== 200) {
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if (isset($options['debug_mode']) && $options['debug_mode']) {
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error_log('WPSlug Baidu Translate HTTP Error: ' . $response_code);
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}
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return $this->fallbackTranslate($text, $options);
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}
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$body = wp_remote_retrieve_body($response);
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$data = json_decode($body, true);
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if (isset($data['trans_result'][0]['dst'])) {
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$translated = $data['trans_result'][0]['dst'];
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return $this->cleanTranslatedText($translated);
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}
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if (isset($data['error_code'])) {
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if (isset($options['debug_mode']) && $options['debug_mode']) {
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error_log('WPSlug Baidu Translate API Error: ' . $data['error_code']);
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}
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}
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return $this->fallbackTranslate($text, $options);
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} catch (Exception $e) {
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if (isset($options['debug_mode']) && $options['debug_mode']) {
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error_log('WPSlug translateBaidu error: ' . $e->getMessage());
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}
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return $this->fallbackTranslate($text, $options);
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}
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}
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/**
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* 使用 WPMind AI 翻译
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*
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* @param string $text 要翻译的文本
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* @param array $options 选项
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* @return string 翻译后的文本（slug 格式）
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*/
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private function translateWPMind($text, $options) {
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$debug_mode = isset($options['debug_mode']) && $options['debug_mode'];
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// 获取语言设置（提前获取以便用于缓存键）
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$source_lang = isset($options['translation_source_lang']) ? $options['translation_source_lang'] : 'zh';
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$target_lang = isset($options['translation_target_lang']) ? $options['translation_target_lang'] : 'en';
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// 1. 先检查本地缓存（缓存键包含语言设置）
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$cache_key = 'wpslug_wpmind_' . md5($text . '_' . $source_lang . '_' . $target_lang);
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$cached = get_transient($cache_key);
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if ($cached !== false) {
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if ($debug_mode) {
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error_log('[WPSlug] WPMind cache hit for: ' . $text . ' (' . $source_lang . ' -> ' . $target_lang . ')');
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}
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return $cached;
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}
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// 2. 检查 WPMind 是否可用
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if (!function_exists('wpmind_is_available') || !wpmind_is_available()) {
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if ($debug_mode) {
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error_log('[WPSlug] WPMind not available, falling back to pinyin');
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}
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return $this->fallbackTranslate($text, $options);
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}
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// 3. 文本长度限制（避免超时）
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if (mb_strlen($text) > 200) {
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if ($debug_mode) {
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error_log('[WPSlug] Text too long (' . mb_strlen($text) . ' chars), using pinyin');
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}
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return $this->fallbackTranslate($text, $options);
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}
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// 4. 中文字符数限制
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$chinese_count = preg_match_all('/[\x{4e00}-\x{9fff}]/u', $text);
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if ($chinese_count > 50) {
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if ($debug_mode) {
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error_log('[WPSlug] Too many Chinese characters (' . $chinese_count . '), using pinyin');
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}
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return $this->fallbackTranslate($text, $options);
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}
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// 5. 调用 WPMind API（语言设置已在前面获取）
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$start_time = microtime(true);
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$result = wpmind_translate($text, $source_lang, $target_lang, [
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'context' => 'wpslug_translation',
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'format' => 'slug',
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'cache_ttl' => 86400, // WPMind 内部缓存 1 天
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'max_tokens' => 100,
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'temperature' => 0.3,
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]);
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$elapsed_time = round((microtime(true) - $start_time) * 1000);
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// 7. 处理结果
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if (is_wp_error($result)) {
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if ($debug_mode) {
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error_log('[WPSlug] WPMind error: ' . $result->get_error_message() . ' (took ' . $elapsed_time . 'ms)');
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}
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return $this->fallbackTranslate($text, $options);
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}
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$slug = $this->cleanTranslatedText($result);
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// 8. 验证结果有效性
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if (empty($slug)) {
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if ($debug_mode) {
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error_log('[WPSlug] WPMind returned empty result, using pinyin');
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}
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return $this->fallbackTranslate($text, $options);
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}
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// 9. 缓存结果（7 天）
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set_transient($cache_key, $slug, 7 * DAY_IN_SECONDS);
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if ($debug_mode) {
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error_log('[WPSlug] WPMind translated "' . $text . '" to "' . $slug . '" in ' . $elapsed_time . 'ms');
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}
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return $slug;
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}
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private function fallbackTranslate($text, $options) {
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if ($this->converter === null) {
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$this->converter = new WPSlug_Converter();
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}
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$fallback_options = $options;
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$fallback_options['conversion_mode'] = 'pinyin';
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return $this->converter->convert($text, $fallback_options);
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}
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private function cleanTranslatedText($text) {
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$text = strip_tags($text);
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$text = html_entity_decode($text, ENT_QUOTES | ENT_HTML5, 'UTF-8');
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$text = preg_replace('/&.+?;/', '', $text);
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$text = preg_replace('/[^a-zA-Z0-9\s\-_]/', '', $text);
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$text = preg_replace('/\s+/', '-', $text);
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$text = preg_replace('/\-+/', '-', $text);
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$text = trim($text, '-_');
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return $text;
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}
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public function batchTranslate($items, $options = array()) {
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$results = array();
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if (!is_array($items)) {
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return $results;
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}
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foreach ($items as $item) {
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try {
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$translated = $this->translate($item, $options);
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$results[] = array(
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'original' => $item,
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'translated' => $translated,
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'service' => isset($options['translation_service']) ? $options['translation_service'] : 'none'
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);
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} catch (Exception $e) {
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if (isset($options['debug_mode']) && $options['debug_mode']) {
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error_log('WPSlug batchTranslate error: ' . $e->getMessage());
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}
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$results[] = array(
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'original' => $item,
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'translated' => sanitize_title($item),
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'service' => 'fallback'
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);
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}
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}
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return $results;
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}
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public function getSupportedServices() {
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return array('none', 'google', 'baidu');
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}
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public function isServiceSupported($service) {
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return in_array($service, $this->getSupportedServices());
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}
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public function isServiceConfigured($service, $options) {
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switch ($service) {
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case 'google':
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return !empty($options['google_api_key']);
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case 'baidu':
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return !empty($options['baidu_app_id']) && !empty($options['baidu_secret_key']);
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case 'none':
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default:
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return true;
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}
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}
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public function detectLanguage($text) {
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if (preg_match('/[\x{4e00}-\x{9fff}]/u', $text)) {
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return 'zh';
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}
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if (preg_match('/[\x{0400}-\x{04ff}]/u', $text)) {
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return 'ru';
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}
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if (preg_match('/[\x{0590}-\x{05ff}]/u', $text)) {
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return 'he';
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}
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if (preg_match('/[\x{0600}-\x{06ff}]/u', $text)) {
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return 'ar';
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}
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if (preg_match('/[\x{3040}-\x{309f}]/u', $text)) {
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return 'ja';
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}
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if (preg_match('/[\x{30a0}-\x{30ff}]/u', $text)) {
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return 'ja';
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}
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if (preg_match('/[\x{ac00}-\x{d7af}]/u', $text)) {
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return 'ko';
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}
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return 'en';
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}
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} |
