[Server] 로거 기능 확대 (#176)

* feat: no auth 버그 -> password 주석 해제

* feat: 로그에 한국 시간대 추가

* feat: 로그파일이 dist 내부에 존재해 한 단계 위로 옮겨줌.

* feat: 응답로그는 interceptor에서 처리하도록 로직 수정

* feat: 로그 인터셉터 app.module.ts 프로바이더에 추가

server/redis/redis.module.ts

@@ -20,7 +20,7 @@ export class RedisModule {
         const client = createClient({
           url: process.env.REDIS_URL, // Redis 서버의 URL
           // username: process.env.REDIS_USERNAME, // Redis 사용자 이름
-          // password: process.env.REDIS_PASSWORD, // Redis 비밀번호
+          password: process.env.REDIS_PASSWORD, // Redis 비밀번호
         }) as RedisClientType;
         await client.connect(); // 클라이언트 연결
         return client; // 연결된 클라이언트 반환
@@ -36,7 +36,7 @@ export class RedisModule {
         const client = createClient({
           url: process.env.REDIS_URL,
           // username: process.env.REDIS_USERNAME,
-          // password: process.env.REDIS_PASSWORD,
+          password: process.env.REDIS_PASSWORD,
         }) as RedisClientType;
         await client.connect();
         return client;
@@ -52,7 +52,7 @@ export class RedisModule {
         const client = createClient({
           url: process.env.REDIS_URL,
           // username: process.env.REDIS_USERNAME,
-          // password: process.env.REDIS_PASSWORD,
+          password: process.env.REDIS_PASSWORD,
         }) as RedisClientType;
         await client.connect();
         return client;

server/src/app.module.ts

@@ -25,6 +25,8 @@ import { SharedChecklistsModule } from './shared-checklists/shared-checklists.mo
 import { UserModel } from './users/entities/user.entity';
 import { UsersModule } from './users/users.module';
 import { winstonConfig } from './utils/winston.config';
+import { LoggingInterceptor } from './common/interceptor/log.interceptor';
+import { APP_INTERCEPTOR } from '@nestjs/core';
 
 @Module({
   imports: [
@@ -60,7 +62,13 @@ import { winstonConfig } from './utils/winston.config';
     CategoriesModule,
   ],
   controllers: [AppController],
-  providers: [AppService],
+  providers: [
+    AppService,
+    {
+      provide: APP_INTERCEPTOR,
+      useClass: LoggingInterceptor,
+    },
+  ],
 })
 export class AppModule implements NestModule {
   configure(consumer: MiddlewareConsumer) {

server/src/common/interceptor/log.interceptor.ts

@@ -0,0 +1,42 @@
+import {
+  CallHandler,
+  ExecutionContext,
+  Injectable,
+  NestInterceptor,
+} from '@nestjs/common';
+import { Observable } from 'rxjs';
+import { tap } from 'rxjs/operators';
+import { WinstonModule } from 'nest-winston';
+import { winstonConfig } from '../../utils/winston.config';
+
+@Injectable()
+export class LoggingInterceptor implements NestInterceptor {
+  private readonly logger = WinstonModule.createLogger(winstonConfig);
+
+  intercept(context: ExecutionContext, next: CallHandler): Observable<any> {
+    const ctx = context.switchToHttp();
+    const request = ctx.getRequest();
+    const response = ctx.getResponse();
+    const startTime = request['startTime'];
+    const reqBody = request['reqBody'];
+
+    return next.handle().pipe(
+      tap((data) => {
+        const endTime = Date.now();
+        const duration = endTime - startTime;
+        const { method, originalUrl, ip } = request;
+        const { statusCode } = response;
+        const startTimeString = new Date(startTime).toLocaleString('ko-KR', {
+          timeZone: 'Asia/Seoul',
+        });
+
+        this.logger.log({
+          level: 'info',
+          message: `${startTimeString} - ${method} ${originalUrl} - Status: ${statusCode} - IP: ${ip} - Duration: ${duration}ms - Request Body: ${JSON.stringify(
+            reqBody,
+          )} - Response Body: ${JSON.stringify(data)}`,
+        });
+      }),
+    );
+  }
+}

server/src/common/middlewares/logger.middleware.ts

@@ -8,18 +8,9 @@ export class LoggerMiddleware implements NestMiddleware {
   private readonly logger = WinstonModule.createLogger(winstonConfig);
 
   use(req: Request, res: Response, next: NextFunction) {
-    const startTime = Date.now(); // 요청 시작 시간 기록
-    const { ip, method, originalUrl } = req;
-    const userAgent = req.get('user-agent');
-
-    res.on('finish', () => {
-      const duration = Date.now() - startTime; // 요청 처리 시간 계산
-      const { statusCode } = res;
-      this.logger.log({
-        level: 'info',
-        message: `${method} ${originalUrl} ${statusCode} ${ip} ${userAgent} - ${duration}ms`,
-      });
-    });
+    const startTime = Date.now(); // 요청 시작 시간을 현재 시간으로 설정
+    req['startTime'] = startTime; // startTime을 req 객체에 저장
+    req['reqBody'] = req.body; // 요청 본문을 req 객체에 저장
 
     next();
   }

server/src/utils/winston.config.ts

@@ -3,7 +3,7 @@ import * as winstonDaily from 'winston-daily-rotate-file';
 import * as winston from 'winston';
 
 const env = process.env.NODE_ENV;
-const logDir = __dirname + '/../../logs'; // log 파일을 관리할 폴더
+const logDir = __dirname + '/../../../logs'; // log 파일을 관리할 폴더
 
 const dailyOptions = (level: string) => {
   return {