Add sample middleware

src/app-auth/app-auth.module.ts

@@ -1,9 +1,22 @@
-import { Module } from '@nestjs/common';
+import { MiddlewareConsumer, Module, NestModule, RequestMethod } from '@nestjs/common';
 import { AppAuthService } from './services/app-auth/app-auth.service';
 import { AppAuthController } from './controllers/app-auth/app-auth.controller';
-
+import { ValidateHeadersMiddleware  } from './middlewares/validate-headers/validate-headers.middleware';
 @Module({
   providers: [AppAuthService],
   controllers: [AppAuthController]
 })
-export class AppAuthModule {}
+export class AppAuthModule implements NestModule {
+  configure(consumer: MiddlewareConsumer) {
+    //// Appy middleware on all routes 
+    consumer
+      .apply(ValidateHeadersMiddleware)
+      .forRoutes(AppAuthController);
+
+    //// or Apply on specific routes
+    // consumer.apply(ValidateHeadersMiddleware).forRoutes({
+    //     path: '/app-auth/register',
+    //     method: RequestMethod.POST,
+    // })
+  }
+}

src/app-auth/controllers/app-auth/app-auth.controller.ts

@@ -1,7 +1,7 @@
 import { Controller, Get, ValidationPipe, Post, UsePipes, Body, Req, Res, HttpStatus } from '@nestjs/common';
 import { CreateAppDto } from 'src/app-auth/dtos/CreateApp.dto';
 import { AppAuthService } from 'src/app-auth/services/app-auth/app-auth.service';
-import { Request, Response } from 'express'
+
 @Controller('app-auth')
 export class AppAuthController {
     constructor(private readonly appAuthService: AppAuthService){}

src/app-auth/middlewares/validate-headers/validate-headers.middleware.spec.ts

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

src/app-auth/middlewares/validate-headers/validate-headers.middleware.ts

@@ -0,0 +1,9 @@
+import { Injectable, NestMiddleware } from '@nestjs/common';
+
+@Injectable()
+export class ValidateHeadersMiddleware implements NestMiddleware {
+  use(req: any, res: any, next: () => void) {
+    console.log('Dummy ValidateHeadersMiddleware');
+    next();
+  }
+}

src/app-auth/services/app-auth/app-auth.service.ts

@@ -3,16 +3,7 @@ import { IApp } from '../../types/App.types';
 import { CreateAppDto } from '../../dtos/CreateApp.dto';
 @Injectable()
 export class AppAuthService {
-    private apps = [
-        {
-            userId: "user123",
-            appName: "app1",
-            appId: "app-1",
-            appSecret: "app-secret-1",
-            edvId: "edv-1",
-            kmsId: "kms-1",
-        }
-    ]
+    private apps: IApp[] = []
 
     createAnApp(createAppDto: CreateAppDto){
         const newApp = {