Mcp-Swagger-Server

import { Injectable, NestInterceptor, ExecutionContext, CallHandler, Logger, } from '@nestjs/common'; import { Observable } from 'rxjs'; import { tap } from 'rxjs/operators'; import { AppConfigService } from '../../config/app-config.service'; @Injectable() export class LoggingInterceptor implements NestInterceptor { private readonly logger = new Logger(LoggingInterceptor.name); constructor(private readonly configService: AppConfigService) {} intercept(context: ExecutionContext, next: CallHandler): Observable<any> { if (!this.configService.debugMode && this.configService.isProduction) { return next.handle(); } const request = context.switchToHttp().getRequest(); const response = context.switchToHttp().getResponse(); const { method, url, headers, body, query } = request; const userAgent = headers['user-agent'] || 'Unknown'; const ip = request.ip || request.connection.remoteAddress || 'Unknown'; const startTime = Date.now(); const requestId = this.generateRequestId(); // 记录请求日志 this.logger.log({ type: 'request', requestId, method, url, userAgent, ip, contentType: headers['content-type'], contentLength: headers['content-length'], query: Object.keys(query).length > 0 ? query : undefined, hasBody: !!body && Object.keys(body).length > 0, timestamp: new Date().toISOString(), }); return next.handle().pipe( tap({ next: (data) => { const duration = Date.now() - startTime; this.logger.log({ type: 'response', requestId, method, url, statusCode: response.statusCode, duration: `${duration}ms`, responseSize: data ? JSON.stringify(data).length : 0, timestamp: new Date().toISOString(), }); }, error: (error) => { const duration = Date.now() - startTime; this.logger.error({ type: 'error', requestId, method, url, statusCode: response.statusCode || 500, duration: `${duration}ms`, error: { name: error.name, message: error.message, stack: this.configService.debugMode ? error.stack : undefined, }, timestamp: new Date().toISOString(), }); }, }), ); } private generateRequestId(): string { return `req_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`; } }