init

.eslintrc.js

@@ -0,0 +1,25 @@
+module.exports = {
+  parser: '@typescript-eslint/parser',
+  parserOptions: {
+    project: 'tsconfig.json',
+    tsconfigRootDir: __dirname,
+    sourceType: 'module',
+  },
+  plugins: ['@typescript-eslint/eslint-plugin'],
+  extends: [
+    'plugin:@typescript-eslint/recommended',
+    'plugin:prettier/recommended',
+  ],
+  root: true,
+  env: {
+    node: true,
+    jest: true,
+  },
+  ignorePatterns: ['.eslintrc.js'],
+  rules: {
+    '@typescript-eslint/interface-name-prefix': 'off',
+    '@typescript-eslint/explicit-function-return-type': 'off',
+    '@typescript-eslint/explicit-module-boundary-types': 'off',
+    '@typescript-eslint/no-explicit-any': 'off',
+  },
+};

.gitignore

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+# compiled output
+/dist
+/node_modules
+
+# Logs
+logs
+*.log
+npm-debug.log*
+pnpm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+
+# OS
+.DS_Store
+
+# Tests
+/coverage
+/.nyc_output
+
+# IDEs and editors
+/.idea
+.project
+.classpath
+.c9/
+*.launch
+.settings/
+*.sublime-workspace
+
+# IDE - VSCode
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json

.prettierrc

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+{
+  "singleQuote": true,
+  "trailingComma": "all"
+}

README.md

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+<p align="center">
+  <a href="http://nestjs.com/" target="blank"><img src="https://nestjs.com/img/logo-small.svg" width="200" alt="Nest Logo" /></a>
+</p>
+
+[circleci-image]: https://img.shields.io/circleci/build/github/nestjs/nest/master?token=abc123def456
+[circleci-url]: https://circleci.com/gh/nestjs/nest
+
+  <p align="center">A progressive <a href="http://nodejs.org" target="_blank">Node.js</a> framework for building efficient and scalable server-side applications.</p>
+    <p align="center">
+<a href="https://www.npmjs.com/~nestjscore" target="_blank"><img src="https://img.shields.io/npm/v/@nestjs/core.svg" alt="NPM Version" /></a>
+<a href="https://www.npmjs.com/~nestjscore" target="_blank"><img src="https://img.shields.io/npm/l/@nestjs/core.svg" alt="Package License" /></a>
+<a href="https://www.npmjs.com/~nestjscore" target="_blank"><img src="https://img.shields.io/npm/dm/@nestjs/common.svg" alt="NPM Downloads" /></a>
+<a href="https://circleci.com/gh/nestjs/nest" target="_blank"><img src="https://img.shields.io/circleci/build/github/nestjs/nest/master" alt="CircleCI" /></a>
+<a href="https://coveralls.io/github/nestjs/nest?branch=master" target="_blank"><img src="https://coveralls.io/repos/github/nestjs/nest/badge.svg?branch=master#9" alt="Coverage" /></a>
+<a href="https://discord.gg/G7Qnnhy" target="_blank"><img src="https://img.shields.io/badge/discord-online-brightgreen.svg" alt="Discord"/></a>
+<a href="https://opencollective.com/nest#backer" target="_blank"><img src="https://opencollective.com/nest/backers/badge.svg" alt="Backers on Open Collective" /></a>
+<a href="https://opencollective.com/nest#sponsor" target="_blank"><img src="https://opencollective.com/nest/sponsors/badge.svg" alt="Sponsors on Open Collective" /></a>
+  <a href="https://paypal.me/kamilmysliwiec" target="_blank"><img src="https://img.shields.io/badge/Donate-PayPal-ff3f59.svg"/></a>
+    <a href="https://opencollective.com/nest#sponsor"  target="_blank"><img src="https://img.shields.io/badge/Support%20us-Open%20Collective-41B883.svg" alt="Support us"></a>
+  <a href="https://twitter.com/nestframework" target="_blank"><img src="https://img.shields.io/twitter/follow/nestframework.svg?style=social&label=Follow"></a>
+</p>
+  <!--[![Backers on Open Collective](https://opencollective.com/nest/backers/badge.svg)](https://opencollective.com/nest#backer)
+  [![Sponsors on Open Collective](https://opencollective.com/nest/sponsors/badge.svg)](https://opencollective.com/nest#sponsor)-->
+
+## Description
+
+[Nest](https://github.com/nestjs/nest) framework TypeScript starter repository.
+
+## Installation
+
+```bash
+$ npm install
+```
+
+## Running the app
+
+```bash
+# development
+$ npm run start
+
+# watch mode
+$ npm run start:dev
+
+# production mode
+$ npm run start:prod
+```
+
+## Test
+
+```bash
+# unit tests
+$ npm run test
+
+# e2e tests
+$ npm run test:e2e
+
+# test coverage
+$ npm run test:cov
+```
+
+## Support
+
+Nest is an MIT-licensed open source project. It can grow thanks to the sponsors and support by the amazing backers. If you'd like to join them, please [read more here](https://docs.nestjs.com/support).
+
+## Stay in touch
+
+- Author - [Kamil Myśliwiec](https://kamilmysliwiec.com)
+- Website - [https://nestjs.com](https://nestjs.com/)
+- Twitter - [@nestframework](https://twitter.com/nestframework)
+
+## License
+
+Nest is [MIT licensed](LICENSE).

apps/auth/src/auth.controller.spec.ts

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+import { Test, TestingModule } from '@nestjs/testing';
+import { AuthController } from './auth.controller';
+import { AuthService } from './auth.service';
+
+describe('AuthController', () => {
+  let authController: AuthController;
+
+  beforeEach(async () => {
+    const app: TestingModule = await Test.createTestingModule({
+      controllers: [AuthController],
+      providers: [AuthService],
+    }).compile();
+
+    authController = app.get<AuthController>(AuthController);
+  });
+
+  describe('root', () => {
+    it('should return "Hello World!"', () => {
+      expect(authController.getHello()).toBe('Hello World!');
+    });
+  });
+});

apps/auth/src/auth.controller.ts

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+import { Controller, Get } from '@nestjs/common';
+import { AuthService } from './auth.service';
+
+@Controller()
+export class AuthController {
+  constructor(private readonly authService: AuthService) {}
+
+  @Get()
+  getHello(): string {
+    return this.authService.getHello();
+  }
+}

apps/auth/src/auth.module.ts

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+import { Module } from '@nestjs/common';
+import { AuthController } from './auth.controller';
+import { AuthService } from './auth.service';
+
+@Module({
+  imports: [],
+  controllers: [AuthController],
+  providers: [AuthService],
+})
+export class AuthModule {}

apps/auth/src/auth.service.ts

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+import { Injectable } from '@nestjs/common';
+
+@Injectable()
+export class AuthService {
+  getHello(): string {
+    return 'Hello World!';
+  }
+}

apps/auth/src/main.ts

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+import { NestFactory } from '@nestjs/core';
+import { AuthModule } from './auth.module';
+
+async function bootstrap() {
+  const app = await NestFactory.create(AuthModule);
+  await app.listen(3000);
+}
+bootstrap();

apps/auth/test/app.e2e-spec.ts

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+import { Test, TestingModule } from '@nestjs/testing';
+import { INestApplication } from '@nestjs/common';
+import * as request from 'supertest';
+import { AuthModule } from './../src/auth.module';
+
+describe('AuthController (e2e)', () => {
+  let app: INestApplication;
+
+  beforeEach(async () => {
+    const moduleFixture: TestingModule = await Test.createTestingModule({
+      imports: [AuthModule],
+    }).compile();
+
+    app = moduleFixture.createNestApplication();
+    await app.init();
+  });
+
+  it('/ (GET)', () => {
+    return request(app.getHttpServer())
+      .get('/')
+      .expect(200)
+      .expect('Hello World!');
+  });
+});

apps/auth/test/jest-e2e.json

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+{
+  "moduleFileExtensions": ["js", "json", "ts"],
+  "rootDir": ".",
+  "testEnvironment": "node",
+  "testRegex": ".e2e-spec.ts$",
+  "transform": {
+    "^.+\\.(t|j)s$": "ts-jest"
+  }
+}

apps/auth/tsconfig.app.json

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+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "declaration": false,
+    "outDir": "../../dist/apps/auth"
+  },
+  "include": ["src/**/*"],
+  "exclude": ["node_modules", "dist", "test", "**/*spec.ts"]
+}

apps/billing/.env

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+RMQ_URI=amqp://localhost:5672
+RMQ_BILLING_QUEUE=billing

apps/billing/src/billing.controller.spec.ts

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+import { Test, TestingModule } from '@nestjs/testing';
+import { BillingController } from './billing.controller';
+import { BillingService } from './billing.service';
+
+describe('BillingController', () => {
+  let billingController: BillingController;
+
+  beforeEach(async () => {
+    const app: TestingModule = await Test.createTestingModule({
+      controllers: [BillingController],
+      providers: [BillingService],
+    }).compile();
+
+    billingController = app.get<BillingController>(BillingController);
+  });
+
+  describe('root', () => {
+    it('should return "Hello World!"', () => {
+      expect(billingController.getHello()).toBe('Hello World!');
+    });
+  });
+});

apps/billing/src/billing.controller.ts

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+import { Controller, Get } from '@nestjs/common';
+import { BillingService } from './billing.service';
+import { EventPattern, Payload, RmqContext, Ctx } from '@nestjs/microservices'
+import { RmqService } from '@app/common'
+@Controller()
+export class BillingController {
+  constructor(
+    private readonly billingService: BillingService,
+    private readonly rmqService: RmqService
+  ) { }
+
+  @Get()
+  getHello(): string {
+    return this.billingService.getHello();
+  }
+  @EventPattern('order_created')
+  order(@Payload() data: any, @Ctx() context: RmqContext) {
+    this.billingService.order(data);
+    this.rmqService.ack(context)
+  }
+}

apps/billing/src/billing.module.ts

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+import { RmqModule } from '@app/common';
+import { Module } from '@nestjs/common';
+import { ConfigModule } from '@nestjs/config';
+import * as Joi from 'joi';
+import { BillingController } from './billing.controller';
+import { BillingService } from './billing.service';
+
+@Module({
+  imports: [
+    RmqModule,
+    ConfigModule.forRoot({
+      isGlobal: true,
+      validationSchema: Joi.object({ RMQ_URI: Joi.string().required(), RMQ_BILLING_QUEUE: Joi.string().required() }),
+      envFilePath: './apps/billing/.env'
+    })
+  ],
+  controllers: [BillingController],
+  providers: [BillingService],
+
+})
+export class BillingModule { }

apps/billing/src/billing.service.ts

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+import { Injectable } from '@nestjs/common';
+
+@Injectable()
+export class BillingService {
+  getHello(): string {
+    return 'Hello World!';
+  }
+
+  order(data) {
+    return console.log('bill is cretaed ', data)
+  }
+}

apps/billing/src/main.ts

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+import { RmqService } from '@app/common';
+import { NestFactory } from '@nestjs/core';
+import { BillingModule } from './billing.module';
+
+async function bootstrap() {
+  const app = await NestFactory.create(BillingModule);
+  const rmqService = app.get<RmqService>(RmqService)
+  app.connectMicroservice(rmqService.getOptions('BILLING'))
+
+  await app.startAllMicroservices()
+}
+bootstrap();

apps/billing/test/app.e2e-spec.ts

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+import { Test, TestingModule } from '@nestjs/testing';
+import { INestApplication } from '@nestjs/common';
+import * as request from 'supertest';
+import { BillingModule } from './../src/billing.module';
+
+describe('BillingController (e2e)', () => {
+  let app: INestApplication;
+
+  beforeEach(async () => {
+    const moduleFixture: TestingModule = await Test.createTestingModule({
+      imports: [BillingModule],
+    }).compile();
+
+    app = moduleFixture.createNestApplication();
+    await app.init();
+  });
+
+  it('/ (GET)', () => {
+    return request(app.getHttpServer())
+      .get('/')
+      .expect(200)
+      .expect('Hello World!');
+  });
+});

apps/billing/test/jest-e2e.json

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+{
+  "moduleFileExtensions": ["js", "json", "ts"],
+  "rootDir": ".",
+  "testEnvironment": "node",
+  "testRegex": ".e2e-spec.ts$",
+  "transform": {
+    "^.+\\.(t|j)s$": "ts-jest"
+  }
+}

apps/billing/tsconfig.app.json

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+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "declaration": false,
+    "outDir": "../../dist/apps/billing"
+  },
+  "include": ["src/**/*"],
+  "exclude": ["node_modules", "dist", "test", "**/*spec.ts"]
+}