feat: initial commit

backend/README.md

@@ -33,4 +33,3 @@ $ npm run start:dev
 
 We currently don't care about test
 
-Notice: We use `synchronize: true (src/config/database)`, so that no need to use migration

backend/src/app.module.ts

@@ -1,10 +1,11 @@
-import { Module } from '@nestjs/common';
+import { MiddlewareConsumer, Module, NestModule } from '@nestjs/common';
 import { AppController } from './app.controller';
 import { AppService } from './app.service';
 import { ConfigModule } from '@nestjs/config';
 import { TypeOrmModule } from '@nestjs/typeorm';
 import { configuration } from './config/config.js';
 import { DatabaseConfigService } from './config/database.js';
+import { AppLoggerMiddleware } from './common/middlewares/app-logger.middleware.js';
 
 @Module({
   imports: [
@@ -20,4 +21,8 @@ import { DatabaseConfigService } from './config/database.js';
   controllers: [AppController],
   providers: [AppService],
 })
-export class AppModule {}
+export class AppModule implements NestModule {
+  configure(consumer: MiddlewareConsumer): void {
+    consumer.apply(AppLoggerMiddleware).forRoutes('*');
+  }
+}

backend/src/common/middlewares/app-logger.middleware.ts

@@ -0,0 +1,28 @@
+import { Injectable, NestMiddleware, Logger } from '@nestjs/common';
+
+import { Request, Response, NextFunction } from 'express';
+
+@Injectable()
+export class AppLoggerMiddleware implements NestMiddleware {
+  private logger = new Logger();
+
+  use(request: Request, response: Response, next: NextFunction): void {
+    const { ip, method, baseUrl: url } = request;
+    const userAgent = request.get('user-agent') || '';
+
+    response.on('close', () => {
+      const { statusCode } = response;
+      const contentLength = response.get('content-length');
+
+      const queries = Object.entries(request.query);
+      const appendUrl = queries.map(query => query.join("=")).join("&");
+
+      this.logger.log(
+        `${method} ${url + (queries.length ? "?" + appendUrl : "")} ${statusCode} ${contentLength} - ${userAgent} ${ip}`,
+      );
+    });
+
+    next();
+  }
+}
+