feature(database-connection): Add request logging

backend/src/app.module.ts

@@ -1,12 +1,17 @@
-import { Module } from '@nestjs/common';
+import { MiddlewareConsumer, Module, NestModule } from '@nestjs/common';
 import { AppController } from './app.controller';
 import { AppService } from './app.service';
 import { SinusBotService } from "./services/sinusbot.service";
 import { DatabaseService } from './database/database.service';
+import { LoggerMiddleware } from './logger.middleware';
 
 @Module({
   imports: [],
   controllers: [AppController],
   providers: [AppService, SinusBotService, DatabaseService],
 })
-export class AppModule {}
+export class AppModule implements NestModule {
+  configure(consumer: MiddlewareConsumer): any {
+    consumer.apply(LoggerMiddleware).forRoutes('*')
+  }
+}

backend/src/logger.middleware.spec.ts

@@ -0,0 +1,7 @@
+import { LoggerMiddleware } from './logger.middleware';
+
+describe('LoggerMiddleware', () => {
+  it('should be defined', () => {
+    expect(new LoggerMiddleware()).toBeDefined();
+  });
+});

backend/src/logger.middleware.ts

@@ -0,0 +1,22 @@
+import { Injectable, NestMiddleware } from '@nestjs/common';
+import logger from 'src/logger/Logger';
+import { Request, Response, NextFunction } from 'express';
+
+@Injectable()
+export class LoggerMiddleware implements NestMiddleware {
+  use(request: Request, response: Response, next: NextFunction): void {
+    const { ip, method, originalUrl: url } = request;
+    const userAgent = request.get('user-agent') || '';
+
+    response.on('finish', () => {
+      const { statusCode } = response;
+      const contentLength = response.get('content-length');
+
+      logger.info(
+        `${method} ${url} ${statusCode} ${contentLength} - ${userAgent} ${ip}`
+      );
+    });
+
+    next();
+  }
+}