488 lines
18 KiB
PHP
488 lines
18 KiB
PHP
<?php
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/**
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* 日志分析器类
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*
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* 用于分析日志数据，生成统计报告和趋势分析
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*/
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if (!defined('ABSPATH')) {
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exit;
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}
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/**
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* 日志分析器类
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*/
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class Yoone_Log_Analyzer {
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/**
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* 分析最近的日志
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*
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* @param int $days 分析天数
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* @return array 分析结果
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*/
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public static function analyze_recent_logs($days = 7) {
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$logs = Yoone_Logger::get_recent_logs(1000);
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$cutoff_date = date('Y-m-d H:i:s', strtotime("-{$days} days"));
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$analysis = array(
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'total_logs' => 0,
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'error_count' => 0,
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'warning_count' => 0,
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'info_count' => 0,
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'debug_count' => 0,
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'daily_stats' => array(),
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'hourly_stats' => array(),
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'top_errors' => array(),
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'subscription_stats' => array(),
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'payment_stats' => array(),
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'performance_issues' => array()
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);
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foreach ($logs as $log_line) {
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$parsed_log = self::parse_log_line($log_line);
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if (!$parsed_log || $parsed_log['timestamp'] < $cutoff_date) {
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continue;
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}
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$analysis['total_logs']++;
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// 统计日志级别
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$level = $parsed_log['level'];
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if (isset($analysis[$level . '_count'])) {
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$analysis[$level . '_count']++;
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}
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// 按日统计
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$date = date('Y-m-d', strtotime($parsed_log['timestamp']));
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if (!isset($analysis['daily_stats'][$date])) {
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$analysis['daily_stats'][$date] = array(
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'total' => 0,
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'error' => 0,
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'warning' => 0,
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'info' => 0,
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'debug' => 0
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);
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}
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$analysis['daily_stats'][$date]['total']++;
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$analysis['daily_stats'][$date][$level]++;
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// 按小时统计
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$hour = date('H', strtotime($parsed_log['timestamp']));
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if (!isset($analysis['hourly_stats'][$hour])) {
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$analysis['hourly_stats'][$hour] = 0;
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}
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$analysis['hourly_stats'][$hour]++;
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// 收集错误信息
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if ($level === 'error') {
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$error_key = md5($parsed_log['message']);
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if (!isset($analysis['top_errors'][$error_key])) {
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$analysis['top_errors'][$error_key] = array(
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'message' => $parsed_log['message'],
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'count' => 0,
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'first_seen' => $parsed_log['timestamp'],
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'last_seen' => $parsed_log['timestamp']
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);
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}
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$analysis['top_errors'][$error_key]['count']++;
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$analysis['top_errors'][$error_key]['last_seen'] = $parsed_log['timestamp'];
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}
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// 订阅相关统计
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if (strpos($parsed_log['message'], 'subscription') !== false) {
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$analysis['subscription_stats']['total'] = ($analysis['subscription_stats']['total'] ?? 0) + 1;
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if (strpos($parsed_log['message'], 'created') !== false) {
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$analysis['subscription_stats']['created'] = ($analysis['subscription_stats']['created'] ?? 0) + 1;
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} elseif (strpos($parsed_log['message'], 'cancelled') !== false) {
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$analysis['subscription_stats']['cancelled'] = ($analysis['subscription_stats']['cancelled'] ?? 0) + 1;
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} elseif (strpos($parsed_log['message'], 'renewed') !== false) {
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$analysis['subscription_stats']['renewed'] = ($analysis['subscription_stats']['renewed'] ?? 0) + 1;
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}
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}
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// 支付相关统计
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if (strpos($parsed_log['message'], 'payment') !== false) {
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$analysis['payment_stats']['total'] = ($analysis['payment_stats']['total'] ?? 0) + 1;
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if (strpos($parsed_log['message'], 'success') !== false) {
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$analysis['payment_stats']['success'] = ($analysis['payment_stats']['success'] ?? 0) + 1;
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} elseif (strpos($parsed_log['message'], 'failed') !== false) {
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$analysis['payment_stats']['failed'] = ($analysis['payment_stats']['failed'] ?? 0) + 1;
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}
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}
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// 性能问题检测
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if (strpos($parsed_log['message'], 'timeout') !== false ||
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strpos($parsed_log['message'], 'slow') !== false ||
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strpos($parsed_log['message'], 'memory') !== false) {
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$analysis['performance_issues'][] = array(
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'timestamp' => $parsed_log['timestamp'],
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'message' => $parsed_log['message'],
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'level' => $level
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);
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}
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}
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// 排序错误统计
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uasort($analysis['top_errors'], function($a, $b) {
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return $b['count'] - $a['count'];
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});
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// 只保留前10个错误
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$analysis['top_errors'] = array_slice($analysis['top_errors'], 0, 10, true);
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return $analysis;
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}
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/**
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* 生成健康报告
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*
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* @return array 健康报告
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*/
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public static function generate_health_report() {
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$analysis = self::analyze_recent_logs(7);
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$health_score = 100;
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$issues = array();
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$recommendations = array();
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// 错误率检查
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$error_rate = $analysis['total_logs'] > 0 ? ($analysis['error_count'] / $analysis['total_logs']) * 100 : 0;
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if ($error_rate > 10) {
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$health_score -= 30;
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$issues[] = sprintf(__('错误率过高: %.1f%%', 'yoone-subscriptions'), $error_rate);
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$recommendations[] = __('检查并修复频繁出现的错误', 'yoone-subscriptions');
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} elseif ($error_rate > 5) {
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$health_score -= 15;
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$issues[] = sprintf(__('错误率较高: %.1f%%', 'yoone-subscriptions'), $error_rate);
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}
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// 警告率检查
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$warning_rate = $analysis['total_logs'] > 0 ? ($analysis['warning_count'] / $analysis['total_logs']) * 100 : 0;
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if ($warning_rate > 20) {
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$health_score -= 20;
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$issues[] = sprintf(__('警告率过高: %.1f%%', 'yoone-subscriptions'), $warning_rate);
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$recommendations[] = __('关注警告信息，预防潜在问题', 'yoone-subscriptions');
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}
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// 支付失败率检查
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if (isset($analysis['payment_stats']['total']) && $analysis['payment_stats']['total'] > 0) {
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$payment_failure_rate = (($analysis['payment_stats']['failed'] ?? 0) / $analysis['payment_stats']['total']) * 100;
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if ($payment_failure_rate > 15) {
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$health_score -= 25;
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$issues[] = sprintf(__('支付失败率过高: %.1f%%', 'yoone-subscriptions'), $payment_failure_rate);
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$recommendations[] = __('检查支付网关配置和网络连接', 'yoone-subscriptions');
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}
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}
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// 性能问题检查
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if (count($analysis['performance_issues']) > 5) {
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$health_score -= 20;
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$issues[] = sprintf(__('发现 %d 个性能问题', 'yoone-subscriptions'), count($analysis['performance_issues']));
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$recommendations[] = __('优化代码性能，检查服务器资源', 'yoone-subscriptions');
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}
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// 频繁错误检查
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foreach ($analysis['top_errors'] as $error) {
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if ($error['count'] > 10) {
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$health_score -= 10;
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$issues[] = sprintf(__('频繁错误: %s (出现 %d 次)', 'yoone-subscriptions'),
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substr($error['message'], 0, 50) . '...', $error['count']);
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break;
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}
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}
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// 确保分数不低于0
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$health_score = max(0, $health_score);
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// 健康等级
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if ($health_score >= 90) {
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$health_level = 'excellent';
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$health_text = __('优秀', 'yoone-subscriptions');
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} elseif ($health_score >= 70) {
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$health_level = 'good';
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$health_text = __('良好', 'yoone-subscriptions');
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} elseif ($health_score >= 50) {
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$health_level = 'fair';
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$health_text = __('一般', 'yoone-subscriptions');
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} else {
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$health_level = 'poor';
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$health_text = __('较差', 'yoone-subscriptions');
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}
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return array(
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'score' => $health_score,
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'level' => $health_level,
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'text' => $health_text,
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'issues' => $issues,
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'recommendations' => $recommendations,
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'analysis' => $analysis
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);
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}
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/**
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* 获取趋势数据
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*
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* @param int $days 天数
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* @return array 趋势数据
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*/
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public static function get_trend_data($days = 30) {
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$analysis = self::analyze_recent_logs($days);
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$trends = array(
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'daily_errors' => array(),
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'daily_warnings' => array(),
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'daily_total' => array(),
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'subscription_activity' => array(),
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'payment_activity' => array()
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);
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// 填充每日数据
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for ($i = $days - 1; $i >= 0; $i--) {
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$date = date('Y-m-d', strtotime("-{$i} days"));
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$trends['daily_errors'][$date] = $analysis['daily_stats'][$date]['error'] ?? 0;
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$trends['daily_warnings'][$date] = $analysis['daily_stats'][$date]['warning'] ?? 0;
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$trends['daily_total'][$date] = $analysis['daily_stats'][$date]['total'] ?? 0;
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}
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return $trends;
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}
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/**
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* 检测异常模式
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*
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* @return array 异常模式
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*/
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public static function detect_anomalies() {
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$analysis = self::analyze_recent_logs(7);
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$anomalies = array();
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// 检测错误激增
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$daily_errors = array();
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foreach ($analysis['daily_stats'] as $date => $stats) {
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$daily_errors[] = $stats['error'];
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}
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if (count($daily_errors) >= 3) {
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$avg_errors = array_sum($daily_errors) / count($daily_errors);
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$latest_errors = end($daily_errors);
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if ($latest_errors > $avg_errors * 2 && $latest_errors > 5) {
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$anomalies[] = array(
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'type' => 'error_spike',
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'severity' => 'high',
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'message' => sprintf(__('今日错误数量异常增加: %d (平均: %.1f)', 'yoone-subscriptions'),
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$latest_errors, $avg_errors),
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'timestamp' => current_time('mysql')
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);
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}
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}
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// 检测重复错误
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foreach ($analysis['top_errors'] as $error) {
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if ($error['count'] > 20) {
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$anomalies[] = array(
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'type' => 'repeated_error',
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'severity' => 'medium',
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'message' => sprintf(__('重复错误: %s (出现 %d 次)', 'yoone-subscriptions'),
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substr($error['message'], 0, 100), $error['count']),
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'timestamp' => $error['last_seen']
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);
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}
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}
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// 检测支付问题
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if (isset($analysis['payment_stats']['failed']) && $analysis['payment_stats']['failed'] > 10) {
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$anomalies[] = array(
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'type' => 'payment_issues',
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'severity' => 'high',
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'message' => sprintf(__('支付失败次数过多: %d', 'yoone-subscriptions'),
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$analysis['payment_stats']['failed']),
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'timestamp' => current_time('mysql')
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);
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}
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return $anomalies;
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}
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/**
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* 生成报告摘要
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*
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* @param array $analysis 分析数据
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* @return string 报告摘要
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*/
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public static function generate_summary($analysis) {
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$summary = array();
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$summary[] = sprintf(__('总计 %d 条日志记录', 'yoone-subscriptions'), $analysis['total_logs']);
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if ($analysis['error_count'] > 0) {
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$summary[] = sprintf(__('%d 个错误', 'yoone-subscriptions'), $analysis['error_count']);
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}
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if ($analysis['warning_count'] > 0) {
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$summary[] = sprintf(__('%d 个警告', 'yoone-subscriptions'), $analysis['warning_count']);
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}
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if (isset($analysis['subscription_stats']['total'])) {
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$summary[] = sprintf(__('%d 个订阅相关事件', 'yoone-subscriptions'),
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$analysis['subscription_stats']['total']);
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}
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if (isset($analysis['payment_stats']['total'])) {
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$summary[] = sprintf(__('%d 个支付相关事件', 'yoone-subscriptions'),
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$analysis['payment_stats']['total']);
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}
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return implode('，', $summary);
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}
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/**
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* 解析日志行
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*
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* @param string $log_line 日志行
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* @return array|false 解析结果
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*/
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private static function parse_log_line($log_line) {
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// 匹配WooCommerce日志格式
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if (preg_match('/^(\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}[+-]\d{2}:\d{2})\s+(\w+)\s+(.+)$/', $log_line, $matches)) {
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return array(
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'timestamp' => $matches[1],
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'level' => strtolower($matches[2]),
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'message' => $matches[3]
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);
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}
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return false;
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}
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/**
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* 导出分析报告
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*
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* @param string $format 格式 (json|csv|html)
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* @param int $days 分析天数
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* @return string 报告内容
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*/
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public static function export_report($format = 'json', $days = 7) {
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$health_report = self::generate_health_report();
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$trends = self::get_trend_data($days);
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$anomalies = self::detect_anomalies();
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$report_data = array(
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'generated_at' => current_time('mysql'),
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'period_days' => $days,
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'health' => $health_report,
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'trends' => $trends,
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'anomalies' => $anomalies
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);
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switch ($format) {
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case 'json':
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return json_encode($report_data, JSON_PRETTY_PRINT);
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case 'csv':
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return self::convert_to_csv($report_data);
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case 'html':
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return self::convert_to_html($report_data);
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default:
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return json_encode($report_data);
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}
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}
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/**
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* 转换为CSV格式
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*
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* @param array $data 数据
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* @return string CSV内容
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*/
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private static function convert_to_csv($data) {
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$csv = "Yoone Subscriptions Log Analysis Report\n";
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$csv .= "Generated: " . $data['generated_at'] . "\n";
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$csv .= "Period: " . $data['period_days'] . " days\n\n";
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$csv .= "Health Score," . $data['health']['score'] . "\n";
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$csv .= "Health Level," . $data['health']['text'] . "\n\n";
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if (!empty($data['health']['issues'])) {
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$csv .= "Issues:\n";
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foreach ($data['health']['issues'] as $issue) {
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$csv .= "," . $issue . "\n";
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}
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$csv .= "\n";
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}
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if (!empty($data['anomalies'])) {
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$csv .= "Anomalies:\n";
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$csv .= "Type,Severity,Message,Timestamp\n";
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foreach ($data['anomalies'] as $anomaly) {
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$csv .= $anomaly['type'] . "," . $anomaly['severity'] . "," .
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$anomaly['message'] . "," . $anomaly['timestamp'] . "\n";
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}
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}
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return $csv;
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}
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/**
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* 转换为HTML格式
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*
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* @param array $data 数据
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* @return string HTML内容
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*/
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private static function convert_to_html($data) {
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$html = '<html><head><title>Yoone Subscriptions Log Analysis Report</title>';
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$html .= '<style>body{font-family:Arial,sans-serif;margin:20px;}';
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$html .= '.health-score{font-size:24px;font-weight:bold;margin:20px 0;}';
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$html .= '.excellent{color:#28a745;}.good{color:#17a2b8;}.fair{color:#ffc107;}.poor{color:#dc3545;}';
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$html .= 'table{border-collapse:collapse;width:100%;margin:20px 0;}';
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$html .= 'th,td{border:1px solid #ddd;padding:8px;text-align:left;}';
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$html .= 'th{background-color:#f2f2f2;}</style></head><body>';
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$html .= '<h1>Yoone Subscriptions 日志分析报告</h1>';
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$html .= '<p>生成时间: ' . $data['generated_at'] . '</p>';
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$html .= '<p>分析周期: ' . $data['period_days'] . ' 天</p>';
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$html .= '<div class="health-score ' . $data['health']['level'] . '">';
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$html .= '健康评分: ' . $data['health']['score'] . '/100 (' . $data['health']['text'] . ')';
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$html .= '</div>';
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if (!empty($data['health']['issues'])) {
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$html .= '<h2>发现的问题</h2><ul>';
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foreach ($data['health']['issues'] as $issue) {
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$html .= '<li>' . htmlspecialchars($issue) . '</li>';
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}
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$html .= '</ul>';
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}
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if (!empty($data['health']['recommendations'])) {
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$html .= '<h2>建议</h2><ul>';
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foreach ($data['health']['recommendations'] as $rec) {
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$html .= '<li>' . htmlspecialchars($rec) . '</li>';
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}
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$html .= '</ul>';
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}
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if (!empty($data['anomalies'])) {
|
||
$html .= '<h2>异常检测</h2><table>';
|
||
$html .= '<tr><th>类型</th><th>严重程度</th><th>描述</th><th>时间</th></tr>';
|
||
foreach ($data['anomalies'] as $anomaly) {
|
||
$html .= '<tr>';
|
||
$html .= '<td>' . htmlspecialchars($anomaly['type']) . '</td>';
|
||
$html .= '<td>' . htmlspecialchars($anomaly['severity']) . '</td>';
|
||
$html .= '<td>' . htmlspecialchars($anomaly['message']) . '</td>';
|
||
$html .= '<td>' . htmlspecialchars($anomaly['timestamp']) . '</td>';
|
||
$html .= '</tr>';
|
||
}
|
||
$html .= '</table>';
|
||
}
|
||
|
||
$html .= '</body></html>';
|
||
|
||
return $html;
|
||
}
|
||
} |