feat: 实现多商户管理模块与前端服务
refactor: 优化服务层代码并修复类型问题 docs: 更新开发进度文档 feat(merchant): 新增商户监控与数据统计服务 feat(dashboard): 添加商户管理前端页面与服务 fix: 修复类型转换与可选参数处理 feat: 实现商户订单、店铺与结算管理功能 refactor: 重构审计日志格式与服务调用 feat: 新增商户入驻与身份注册功能 fix(controller): 修复路由参数类型问题 feat: 添加商户排名与统计报告功能 chore: 更新模拟数据与服务配置
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server/src/services/ServiceHealthCheck.ts
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275
server/src/services/ServiceHealthCheck.ts
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/**
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* [OP-MV002] 商户服务健康检查服务
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* @description 检查商户服务的健康状态，生成健康报告
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* @version 1.0
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*/
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export class ServiceHealthCheck {
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/**
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* 检查商户服务健康状态
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* @param params 检查参数
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* @param traceInfo 追踪信息
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* @returns 健康检查结果
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*/
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public static async checkMerchantServiceHealth(params: {
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merchantId?: string;
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services?: string[];
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}, traceInfo: {
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tenantId: string;
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shopId: string;
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taskId: string;
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traceId: string;
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businessType: 'TOC' | 'TOB';
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}): Promise<{
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overallStatus: 'healthy' | 'degraded' | 'unhealthy';
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services: Array<{
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serviceName: string;
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status: 'healthy' | 'degraded' | 'unhealthy';
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responseTime: number;
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errorCount: number;
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lastChecked: string;
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}>;
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recommendations: string[];
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}> {
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// 模拟服务列表
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const servicesToCheck = params.services || [
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'inventory',
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'order',
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'payment',
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'shipping',
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'notification'
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];
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// 模拟健康检查结果
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const services = servicesToCheck.map(service => {
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// 生成随机响应时间和错误数
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const responseTime = Math.floor(Math.random() * 500) + 50;
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const errorCount = Math.floor(Math.random() * 5);
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// 计算服务状态
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let status: 'healthy' | 'degraded' | 'unhealthy' = 'healthy';
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if (errorCount > 3 || responseTime > 400) {
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status = 'unhealthy';
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} else if (errorCount > 1 || responseTime > 200) {
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status = 'degraded';
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}
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return {
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serviceName: service,
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status,
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responseTime,
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errorCount,
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lastChecked: new Date().toISOString()
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};
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});
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// 计算整体状态
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const unhealthyCount = services.filter(s => s.status === 'unhealthy').length;
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const degradedCount = services.filter(s => s.status === 'degraded').length;
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let overallStatus: 'healthy' | 'degraded' | 'unhealthy' = 'healthy';
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if (unhealthyCount > 0) {
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overallStatus = 'unhealthy';
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} else if (degradedCount > 0) {
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overallStatus = 'degraded';
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}
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// 生成建议
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const recommendations: string[] = [];
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if (overallStatus === 'unhealthy') {
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recommendations.push('立即检查不健康的服务');
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recommendations.push('考虑重启相关服务');
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} else if (overallStatus === 'degraded') {
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recommendations.push('检查性能瓶颈');
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recommendations.push('优化响应时间');
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} else {
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recommendations.push('保持当前状态');
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recommendations.push('定期进行健康检查');
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}
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// 记录健康检查日志
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console.log(`[ServiceHealthCheck] 健康检查完成 - 整体状态: ${overallStatus}`, {
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...traceInfo,
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servicesCount: services.length,
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unhealthyCount,
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degradedCount
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});
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return {
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overallStatus,
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services,
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recommendations
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};
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}
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/**
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* 生成健康报告
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* @param merchantId 商户ID
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* @param traceInfo 追踪信息
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* @returns 健康报告
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*/
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public static async generateHealthReport(merchantId: string, traceInfo: {
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tenantId: string;
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shopId: string;
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taskId: string;
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traceId: string;
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businessType: 'TOC' | 'TOB';
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}): Promise<{
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reportId: string;
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merchantId: string;
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timestamp: string;
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overallStatus: string;
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serviceDetails: any;
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performanceMetrics: any;
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recommendations: string[];
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}> {
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// 生成报告ID
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const reportId = `HR-${Date.now()}`;
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const timestamp = new Date().toISOString();
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// 模拟服务健康数据
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const serviceDetails = {
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inventory: {
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status: 'healthy',
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responseTime: 120,
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errorRate: 0.01
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},
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order: {
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status: 'degraded',
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responseTime: 250,
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errorRate: 0.05
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},
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payment: {
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status: 'healthy',
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responseTime: 90,
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errorRate: 0.005
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},
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shipping: {
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status: 'healthy',
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responseTime: 150,
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errorRate: 0.02
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},
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notification: {
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status: 'healthy',
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responseTime: 80,
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errorRate: 0.01
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}
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};
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// 计算整体状态
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const overallStatus = Object.values(serviceDetails).some(s => s.status === 'unhealthy')
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? 'unhealthy'
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: Object.values(serviceDetails).some(s => s.status === 'degraded')
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? 'degraded'
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: 'healthy';
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// 计算性能指标
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const performanceMetrics = {
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averageResponseTime: Object.values(serviceDetails).reduce((sum, s) => sum + s.responseTime, 0) / Object.values(serviceDetails).length,
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averageErrorRate: Object.values(serviceDetails).reduce((sum, s) => sum + s.errorRate, 0) / Object.values(serviceDetails).length,
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healthyServices: Object.values(serviceDetails).filter(s => s.status === 'healthy').length,
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totalServices: Object.values(serviceDetails).length
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};
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// 生成建议
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const recommendations = [
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overallStatus === 'unhealthy' ? '立即修复不健康的服务' : '保持服务健康状态',
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performanceMetrics.averageResponseTime > 200 ? '优化服务响应时间' : '响应时间正常',
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performanceMetrics.averageErrorRate > 0.05 ? '减少服务错误率' : '错误率在可接受范围内'
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];
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// 记录报告生成日志
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console.log(`[ServiceHealthCheck] 生成健康报告 - ID: ${reportId}, 商户: ${merchantId}`, {
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...traceInfo,
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reportId
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});
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return {
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reportId,
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merchantId,
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timestamp,
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overallStatus,
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serviceDetails,
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performanceMetrics,
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recommendations
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};
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}
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/**
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* 执行服务可用性测试
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* @param params 测试参数
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* @param traceInfo 追踪信息
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* @returns 测试结果
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*/
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public static async testServiceAvailability(params: {
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merchantId: string;
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services: string[];
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testDuration: number; // 测试持续时间（秒）
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}, traceInfo: {
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tenantId: string;
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shopId: string;
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taskId: string;
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traceId: string;
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businessType: 'TOC' | 'TOB';
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}): Promise<{
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testId: string;
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merchantId: string;
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startTime: string;
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endTime: string;
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results: Array<{
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serviceName: string;
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availability: number; // 可用性百分比
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responseTimes: number[];
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errorCount: number;
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}>;
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}> {
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// 生成测试ID
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const testId = `AT-${Date.now()}`;
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const startTime = new Date().toISOString();
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// 模拟测试结果
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const results = params.services.map(service => {
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// 生成模拟响应时间和错误数
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const responseTimes: number[] = [];
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let errorCount = 0;
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// 模拟测试过程
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for (let i = 0; i < 10; i++) {
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const responseTime = Math.floor(Math.random() * 300) + 50;
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responseTimes.push(responseTime);
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if (Math.random() < 0.05) {
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errorCount++;
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}
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}
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// 计算可用性
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const availability = ((10 - errorCount) / 10) * 100;
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return {
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serviceName: service,
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availability,
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responseTimes,
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errorCount
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};
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});
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// 模拟测试持续时间
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await new Promise(resolve => setTimeout(resolve, params.testDuration * 1000));
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const endTime = new Date().toISOString();
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// 记录测试日志
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console.log(`[ServiceHealthCheck] 服务可用性测试完成 - ID: ${testId}, 商户: ${params.merchantId}`, {
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...traceInfo,
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testId,
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duration: params.testDuration
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});
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return {
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testId,
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merchantId: params.merchantId,
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startTime,
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endTime,
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results
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};
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}
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}
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