[BE#233] Logger 요청부터 응답까지의 시간 측정

BE/src/app.module.ts

@@ -1,4 +1,4 @@
-import { Module } from '@nestjs/common';
+import { MiddlewareConsumer, Module, NestModule } from '@nestjs/common';
 import { AppController } from './app.controller';
 import { AppService } from './app.service';
 import { TypeOrmModule } from '@nestjs/typeorm';
@@ -15,6 +15,7 @@ import { AuthModule } from './auth/auth.module';
 import { ServeStaticModule } from '@nestjs/serve-static';
 import { join } from 'path';
 import { Mates } from './mates/mates.entity';
+import { LoggingMiddleware } from './common/logging.middleware';
 
 @Module({
   imports: [
@@ -49,4 +50,8 @@ import { Mates } from './mates/mates.entity';
   controllers: [AppController],
   providers: [AppService],
 })
-export class AppModule {}
+export class AppModule implements NestModule {
+  configure(consumer: MiddlewareConsumer) {
+    consumer.apply(LoggingMiddleware).forRoutes('*');
+  }
+}

BE/src/common/logging.interceptor.ts

@@ -17,20 +17,18 @@ export class LoggingInterceptor implements NestInterceptor {
     const response = ctx.getResponse();
     const { method, url, body } = request;
 
-    this.logger.debug(
-      `[Request] Method: ${method}, URL: ${url}, Body: ${JSON.stringify(body)}`,
+    this.logger.debug(`[Request] ${method} ${url} \n ${JSON.stringify(body)}`);
+    return next.handle().pipe(
+      tap((body) => {
+        const requestToResponse: `${number}ms` = `${
+          Date.now() - request.now
+        }ms`;
+        this.logger.debug(
+          `[Response] ${
+            response.statusCode
+          } ${requestToResponse} \n ${JSON.stringify(body)} \n`,
+        );
+      }),
     );
-
-    return next
-      .handle()
-      .pipe(
-        tap((body) =>
-          this.logger.debug(
-            `[Response] Status: ${response.statusCode}, Body: ${JSON.stringify(
-              body,
-            )}`,
-          ),
-        ),
-      );
   }
 }

BE/src/common/logging.middleware.ts

@@ -0,0 +1,10 @@
+import { Injectable, NestMiddleware } from '@nestjs/common';
+import { NextFunction } from 'express';
+
+@Injectable()
+export class LoggingMiddleware implements NestMiddleware {
+  use(req: Request & { now: number }, res: Response, next: NextFunction) {
+    req.now = Date.now();
+    next();
+  }
+}