├── .DS_Store
├── api-gateway
├── .eslintrc.js
├── .gitignore
├── .prettierrc
├── README.md
├── nest-cli.json
├── package.json
├── src
│ ├── app.controller.spec.ts
│ ├── app.controller.ts
│ ├── app.module.ts
│ ├── app.service.ts
│ ├── create-order-request.dto.ts
│ ├── main.ts
│ └── order-created.event.ts
├── test
│ ├── app.e2e-spec.ts
│ └── jest-e2e.json
├── tsconfig.build.json
├── tsconfig.json
└── yarn.lock
├── auth
├── .eslintrc.js
├── .gitignore
├── .prettierrc
├── README.md
├── nest-cli.json
├── package.json
├── src
│ ├── app.controller.spec.ts
│ ├── app.controller.ts
│ ├── app.module.ts
│ ├── app.service.ts
│ ├── get-user-request.dto.ts
│ └── main.ts
├── test
│ ├── app.e2e-spec.ts
│ └── jest-e2e.json
├── tsconfig.build.json
├── tsconfig.json
└── yarn.lock
└── billing
├── .eslintrc.js
├── .gitignore
├── .prettierrc
├── README.md
├── nest-cli.json
├── package.json
├── src
├── app.controller.spec.ts
├── app.controller.ts
├── app.module.ts
├── app.service.ts
├── get-user-request.dto.ts
├── main.ts
└── order-created.event.ts
├── test
├── app.e2e-spec.ts
└── jest-e2e.json
├── tsconfig.build.json
├── tsconfig.json
└── yarn.lock
/.DS_Store:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/mguay22/nestjs-kafka-microservices/c14dab1d068dbf1d0426b6e5588c5af13e368275/.DS_Store
--------------------------------------------------------------------------------
/api-gateway/.eslintrc.js:
--------------------------------------------------------------------------------
1 | module.exports = {
2 | parser: '@typescript-eslint/parser',
3 | parserOptions: {
4 | project: 'tsconfig.json',
5 | sourceType: 'module',
6 | },
7 | plugins: ['@typescript-eslint/eslint-plugin'],
8 | extends: [
9 | 'plugin:@typescript-eslint/recommended',
10 | 'plugin:prettier/recommended',
11 | ],
12 | root: true,
13 | env: {
14 | node: true,
15 | jest: true,
16 | },
17 | ignorePatterns: ['.eslintrc.js'],
18 | rules: {
19 | '@typescript-eslint/interface-name-prefix': 'off',
20 | '@typescript-eslint/explicit-function-return-type': 'off',
21 | '@typescript-eslint/explicit-module-boundary-types': 'off',
22 | '@typescript-eslint/no-explicit-any': 'off',
23 | },
24 | };
25 |
--------------------------------------------------------------------------------
/api-gateway/.gitignore:
--------------------------------------------------------------------------------
1 | # compiled output
2 | /dist
3 | /node_modules
4 |
5 | # Logs
6 | logs
7 | *.log
8 | npm-debug.log*
9 | pnpm-debug.log*
10 | yarn-debug.log*
11 | yarn-error.log*
12 | lerna-debug.log*
13 |
14 | # OS
15 | .DS_Store
16 |
17 | # Tests
18 | /coverage
19 | /.nyc_output
20 |
21 | # IDEs and editors
22 | /.idea
23 | .project
24 | .classpath
25 | .c9/
26 | *.launch
27 | .settings/
28 | *.sublime-workspace
29 |
30 | # IDE - VSCode
31 | .vscode/*
32 | !.vscode/settings.json
33 | !.vscode/tasks.json
34 | !.vscode/launch.json
35 | !.vscode/extensions.json
--------------------------------------------------------------------------------
/api-gateway/.prettierrc:
--------------------------------------------------------------------------------
1 | {
2 | "singleQuote": true,
3 | "trailingComma": "all"
4 | }
--------------------------------------------------------------------------------
/api-gateway/README.md:
--------------------------------------------------------------------------------
1 |
2 | 
3 |
4 |
5 | [circleci-image]: https://img.shields.io/circleci/build/github/nestjs/nest/master?token=abc123def456
6 | [circleci-url]: https://circleci.com/gh/nestjs/nest
7 |
8 | A progressive Node.js framework for building efficient and scalable server-side applications.
9 |
10 | 
11 | 
12 | 
13 | 
14 | 
15 | 
16 | 
17 | 
18 | 
19 | 
20 | 
21 |
22 |
24 |
25 | ## Description
26 |
27 | [Nest](https://github.com/nestjs/nest) framework TypeScript starter repository.
28 |
29 | ## Installation
30 |
31 | ```bash
32 | $ npm install
33 | ```
34 |
35 | ## Running the app
36 |
37 | ```bash
38 | # development
39 | $ npm run start
40 |
41 | # watch mode
42 | $ npm run start:dev
43 |
44 | # production mode
45 | $ npm run start:prod
46 | ```
47 |
48 | ## Test
49 |
50 | ```bash
51 | # unit tests
52 | $ npm run test
53 |
54 | # e2e tests
55 | $ npm run test:e2e
56 |
57 | # test coverage
58 | $ npm run test:cov
59 | ```
60 |
61 | ## Support
62 |
63 | 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).
64 |
65 | ## Stay in touch
66 |
67 | - Author - [Kamil Myśliwiec](https://kamilmysliwiec.com)
68 | - Website - [https://nestjs.com](https://nestjs.com/)
69 | - Twitter - [@nestframework](https://twitter.com/nestframework)
70 |
71 | ## License
72 |
73 | Nest is [MIT licensed](LICENSE).
74 |
--------------------------------------------------------------------------------
/api-gateway/nest-cli.json:
--------------------------------------------------------------------------------
1 | {
2 | "collection": "@nestjs/schematics",
3 | "sourceRoot": "src"
4 | }
5 |
--------------------------------------------------------------------------------
/api-gateway/package.json:
--------------------------------------------------------------------------------
1 | {
2 | "name": "api-gateway",
3 | "version": "0.0.1",
4 | "description": "",
5 | "author": "",
6 | "private": true,
7 | "license": "UNLICENSED",
8 | "scripts": {
9 | "prebuild": "rimraf dist",
10 | "build": "nest build",
11 | "format": "prettier --write \"src/**/*.ts\" \"test/**/*.ts\"",
12 | "start": "nest start",
13 | "start:dev": "nest start --watch",
14 | "start:debug": "nest start --debug --watch",
15 | "start:prod": "node dist/main",
16 | "lint": "eslint \"{src,apps,libs,test}/**/*.ts\" --fix",
17 | "test": "jest",
18 | "test:watch": "jest --watch",
19 | "test:cov": "jest --coverage",
20 | "test:debug": "node --inspect-brk -r tsconfig-paths/register -r ts-node/register node_modules/.bin/jest --runInBand",
21 | "test:e2e": "jest --config ./test/jest-e2e.json"
22 | },
23 | "dependencies": {
24 | "@nestjs/common": "^8.0.0",
25 | "@nestjs/core": "^8.0.0",
26 | "@nestjs/microservices": "^8.2.5",
27 | "@nestjs/platform-express": "^8.0.0",
28 | "kafkajs": "^1.15.0",
29 | "reflect-metadata": "^0.1.13",
30 | "rimraf": "^3.0.2",
31 | "rxjs": "^7.2.0"
32 | },
33 | "devDependencies": {
34 | "@nestjs/cli": "^8.0.0",
35 | "@nestjs/schematics": "^8.0.0",
36 | "@nestjs/testing": "^8.0.0",
37 | "@types/express": "^4.17.13",
38 | "@types/jest": "27.0.2",
39 | "@types/node": "^16.0.0",
40 | "@types/supertest": "^2.0.11",
41 | "@typescript-eslint/eslint-plugin": "^5.0.0",
42 | "@typescript-eslint/parser": "^5.0.0",
43 | "eslint": "^8.0.1",
44 | "eslint-config-prettier": "^8.3.0",
45 | "eslint-plugin-prettier": "^4.0.0",
46 | "jest": "^27.2.5",
47 | "prettier": "^2.3.2",
48 | "source-map-support": "^0.5.20",
49 | "supertest": "^6.1.3",
50 | "ts-jest": "^27.0.3",
51 | "ts-loader": "^9.2.3",
52 | "ts-node": "^10.0.0",
53 | "tsconfig-paths": "^3.10.1",
54 | "typescript": "^4.3.5"
55 | },
56 | "jest": {
57 | "moduleFileExtensions": [
58 | "js",
59 | "json",
60 | "ts"
61 | ],
62 | "rootDir": "src",
63 | "testRegex": ".*\\.spec\\.ts$",
64 | "transform": {
65 | "^.+\\.(t|j)s$": "ts-jest"
66 | },
67 | "collectCoverageFrom": [
68 | "**/*.(t|j)s"
69 | ],
70 | "coverageDirectory": "../coverage",
71 | "testEnvironment": "node"
72 | }
73 | }
74 |
--------------------------------------------------------------------------------
/api-gateway/src/app.controller.spec.ts:
--------------------------------------------------------------------------------
1 | import { Test, TestingModule } from '@nestjs/testing';
2 | import { AppController } from './app.controller';
3 | import { AppService } from './app.service';
4 |
5 | describe('AppController', () => {
6 | let appController: AppController;
7 |
8 | beforeEach(async () => {
9 | const app: TestingModule = await Test.createTestingModule({
10 | controllers: [AppController],
11 | providers: [AppService],
12 | }).compile();
13 |
14 | appController = app.get(AppController);
15 | });
16 |
17 | describe('root', () => {
18 | it('should return "Hello World!"', () => {
19 | expect(appController.getHello()).toBe('Hello World!');
20 | });
21 | });
22 | });
23 |
--------------------------------------------------------------------------------
/api-gateway/src/app.controller.ts:
--------------------------------------------------------------------------------
1 | import { Body, Controller, Get, Post } from '@nestjs/common';
2 | import { AppService } from './app.service';
3 | import { CreateOrderRequest } from './create-order-request.dto';
4 |
5 | @Controller()
6 | export class AppController {
7 | constructor(private readonly appService: AppService) {}
8 |
9 | @Get()
10 | getHello(): string {
11 | return this.appService.getHello();
12 | }
13 |
14 | @Post()
15 | createOrder(@Body() createOrderRequest: CreateOrderRequest) {
16 | this.appService.createOrder(createOrderRequest);
17 | }
18 | }
19 |
--------------------------------------------------------------------------------
/api-gateway/src/app.module.ts:
--------------------------------------------------------------------------------
1 | import { Module } from '@nestjs/common';
2 | import { ClientsModule, Transport } from '@nestjs/microservices';
3 | import { AppController } from './app.controller';
4 | import { AppService } from './app.service';
5 |
6 | @Module({
7 | imports: [
8 | ClientsModule.register([
9 | {
10 | name: 'BILLING_SERVICE',
11 | transport: Transport.KAFKA,
12 | options: {
13 | client: {
14 | clientId: 'billing',
15 | brokers: ['localhost:9092'],
16 | },
17 | consumer: {
18 | groupId: 'billing-consumer',
19 | },
20 | },
21 | },
22 | ]),
23 | ],
24 | controllers: [AppController],
25 | providers: [AppService],
26 | })
27 | export class AppModule {}
28 |
--------------------------------------------------------------------------------
/api-gateway/src/app.service.ts:
--------------------------------------------------------------------------------
1 | import { Inject, Injectable } from '@nestjs/common';
2 | import { ClientKafka } from '@nestjs/microservices';
3 | import { CreateOrderRequest } from './create-order-request.dto';
4 | import { OrderCreatedEvent } from './order-created.event';
5 |
6 | @Injectable()
7 | export class AppService {
8 | constructor(
9 | @Inject('BILLING_SERVICE') private readonly billingClient: ClientKafka,
10 | ) {}
11 |
12 | getHello(): string {
13 | return 'Hello World!';
14 | }
15 |
16 | createOrder({ userId, price }: CreateOrderRequest) {
17 | this.billingClient.emit(
18 | 'order_created',
19 | new OrderCreatedEvent('123', userId, price),
20 | );
21 | }
22 | }
23 |
--------------------------------------------------------------------------------
/api-gateway/src/create-order-request.dto.ts:
--------------------------------------------------------------------------------
1 | export class CreateOrderRequest {
2 | userId: string;
3 | price: number;
4 | }
5 |
--------------------------------------------------------------------------------
/api-gateway/src/main.ts:
--------------------------------------------------------------------------------
1 | import { NestFactory } from '@nestjs/core';
2 | import { AppModule } from './app.module';
3 |
4 | async function bootstrap() {
5 | const app = await NestFactory.create(AppModule);
6 | await app.listen(3000);
7 | }
8 | bootstrap();
9 |
--------------------------------------------------------------------------------
/api-gateway/src/order-created.event.ts:
--------------------------------------------------------------------------------
1 | export class OrderCreatedEvent {
2 | constructor(
3 | public readonly orderId: string,
4 | public readonly userId: string,
5 | public readonly price: number,
6 | ) {}
7 |
8 | toString() {
9 | return JSON.stringify({
10 | orderId: this.orderId,
11 | userId: this.userId,
12 | price: this.price,
13 | });
14 | }
15 | }
16 |
--------------------------------------------------------------------------------
/api-gateway/test/app.e2e-spec.ts:
--------------------------------------------------------------------------------
1 | import { Test, TestingModule } from '@nestjs/testing';
2 | import { INestApplication } from '@nestjs/common';
3 | import * as request from 'supertest';
4 | import { AppModule } from './../src/app.module';
5 |
6 | describe('AppController (e2e)', () => {
7 | let app: INestApplication;
8 |
9 | beforeEach(async () => {
10 | const moduleFixture: TestingModule = await Test.createTestingModule({
11 | imports: [AppModule],
12 | }).compile();
13 |
14 | app = moduleFixture.createNestApplication();
15 | await app.init();
16 | });
17 |
18 | it('/ (GET)', () => {
19 | return request(app.getHttpServer())
20 | .get('/')
21 | .expect(200)
22 | .expect('Hello World!');
23 | });
24 | });
25 |
--------------------------------------------------------------------------------
/api-gateway/test/jest-e2e.json:
--------------------------------------------------------------------------------
1 | {
2 | "moduleFileExtensions": ["js", "json", "ts"],
3 | "rootDir": ".",
4 | "testEnvironment": "node",
5 | "testRegex": ".e2e-spec.ts$",
6 | "transform": {
7 | "^.+\\.(t|j)s$": "ts-jest"
8 | }
9 | }
10 |
--------------------------------------------------------------------------------
/api-gateway/tsconfig.build.json:
--------------------------------------------------------------------------------
1 | {
2 | "extends": "./tsconfig.json",
3 | "exclude": ["node_modules", "test", "dist", "**/*spec.ts"]
4 | }
5 |
--------------------------------------------------------------------------------
/api-gateway/tsconfig.json:
--------------------------------------------------------------------------------
1 | {
2 | "compilerOptions": {
3 | "module": "commonjs",
4 | "declaration": true,
5 | "removeComments": true,
6 | "emitDecoratorMetadata": true,
7 | "experimentalDecorators": true,
8 | "allowSyntheticDefaultImports": true,
9 | "target": "es2017",
10 | "sourceMap": true,
11 | "outDir": "./dist",
12 | "baseUrl": "./",
13 | "incremental": true,
14 | "skipLibCheck": true,
15 | "strictNullChecks": false,
16 | "noImplicitAny": false,
17 | "strictBindCallApply": false,
18 | "forceConsistentCasingInFileNames": false,
19 | "noFallthroughCasesInSwitch": false
20 | }
21 | }
22 |
--------------------------------------------------------------------------------
/auth/.eslintrc.js:
--------------------------------------------------------------------------------
1 | module.exports = {
2 | parser: '@typescript-eslint/parser',
3 | parserOptions: {
4 | project: 'tsconfig.json',
5 | sourceType: 'module',
6 | },
7 | plugins: ['@typescript-eslint/eslint-plugin'],
8 | extends: [
9 | 'plugin:@typescript-eslint/recommended',
10 | 'plugin:prettier/recommended',
11 | ],
12 | root: true,
13 | env: {
14 | node: true,
15 | jest: true,
16 | },
17 | ignorePatterns: ['.eslintrc.js'],
18 | rules: {
19 | '@typescript-eslint/interface-name-prefix': 'off',
20 | '@typescript-eslint/explicit-function-return-type': 'off',
21 | '@typescript-eslint/explicit-module-boundary-types': 'off',
22 | '@typescript-eslint/no-explicit-any': 'off',
23 | },
24 | };
25 |
--------------------------------------------------------------------------------
/auth/.gitignore:
--------------------------------------------------------------------------------
1 | # compiled output
2 | /dist
3 | /node_modules
4 |
5 | # Logs
6 | logs
7 | *.log
8 | npm-debug.log*
9 | pnpm-debug.log*
10 | yarn-debug.log*
11 | yarn-error.log*
12 | lerna-debug.log*
13 |
14 | # OS
15 | .DS_Store
16 |
17 | # Tests
18 | /coverage
19 | /.nyc_output
20 |
21 | # IDEs and editors
22 | /.idea
23 | .project
24 | .classpath
25 | .c9/
26 | *.launch
27 | .settings/
28 | *.sublime-workspace
29 |
30 | # IDE - VSCode
31 | .vscode/*
32 | !.vscode/settings.json
33 | !.vscode/tasks.json
34 | !.vscode/launch.json
35 | !.vscode/extensions.json
--------------------------------------------------------------------------------
/auth/.prettierrc:
--------------------------------------------------------------------------------
1 | {
2 | "singleQuote": true,
3 | "trailingComma": "all"
4 | }
--------------------------------------------------------------------------------
/auth/README.md:
--------------------------------------------------------------------------------
1 |
2 |
3 |
4 |
5 | [circleci-image]: https://img.shields.io/circleci/build/github/nestjs/nest/master?token=abc123def456
6 | [circleci-url]: https://circleci.com/gh/nestjs/nest
7 |
8 | A progressive Node.js framework for building efficient and scalable server-side applications.
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
19 |
20 |
21 |
22 |
24 |
25 | ## Description
26 |
27 | [Nest](https://github.com/nestjs/nest) framework TypeScript starter repository.
28 |
29 | ## Installation
30 |
31 | ```bash
32 | $ npm install
33 | ```
34 |
35 | ## Running the app
36 |
37 | ```bash
38 | # development
39 | $ npm run start
40 |
41 | # watch mode
42 | $ npm run start:dev
43 |
44 | # production mode
45 | $ npm run start:prod
46 | ```
47 |
48 | ## Test
49 |
50 | ```bash
51 | # unit tests
52 | $ npm run test
53 |
54 | # e2e tests
55 | $ npm run test:e2e
56 |
57 | # test coverage
58 | $ npm run test:cov
59 | ```
60 |
61 | ## Support
62 |
63 | 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).
64 |
65 | ## Stay in touch
66 |
67 | - Author - [Kamil Myśliwiec](https://kamilmysliwiec.com)
68 | - Website - [https://nestjs.com](https://nestjs.com/)
69 | - Twitter - [@nestframework](https://twitter.com/nestframework)
70 |
71 | ## License
72 |
73 | Nest is [MIT licensed](LICENSE).
74 |
--------------------------------------------------------------------------------
/auth/nest-cli.json:
--------------------------------------------------------------------------------
1 | {
2 | "collection": "@nestjs/schematics",
3 | "sourceRoot": "src"
4 | }
5 |
--------------------------------------------------------------------------------
/auth/package.json:
--------------------------------------------------------------------------------
1 | {
2 | "name": "auth",
3 | "version": "0.0.1",
4 | "description": "",
5 | "author": "",
6 | "private": true,
7 | "license": "UNLICENSED",
8 | "scripts": {
9 | "prebuild": "rimraf dist",
10 | "build": "nest build",
11 | "format": "prettier --write \"src/**/*.ts\" \"test/**/*.ts\"",
12 | "start": "nest start",
13 | "start:dev": "nest start --watch",
14 | "start:debug": "nest start --debug --watch",
15 | "start:prod": "node dist/main",
16 | "lint": "eslint \"{src,apps,libs,test}/**/*.ts\" --fix",
17 | "test": "jest",
18 | "test:watch": "jest --watch",
19 | "test:cov": "jest --coverage",
20 | "test:debug": "node --inspect-brk -r tsconfig-paths/register -r ts-node/register node_modules/.bin/jest --runInBand",
21 | "test:e2e": "jest --config ./test/jest-e2e.json"
22 | },
23 | "dependencies": {
24 | "@nestjs/common": "^8.0.0",
25 | "@nestjs/core": "^8.0.0",
26 | "@nestjs/microservices": "^8.2.5",
27 | "@nestjs/platform-express": "^8.0.0",
28 | "kafkajs": "^1.15.0",
29 | "reflect-metadata": "^0.1.13",
30 | "rimraf": "^3.0.2",
31 | "rxjs": "^7.2.0"
32 | },
33 | "devDependencies": {
34 | "@nestjs/cli": "^8.0.0",
35 | "@nestjs/schematics": "^8.0.0",
36 | "@nestjs/testing": "^8.0.0",
37 | "@types/express": "^4.17.13",
38 | "@types/jest": "27.0.2",
39 | "@types/node": "^16.0.0",
40 | "@types/supertest": "^2.0.11",
41 | "@typescript-eslint/eslint-plugin": "^5.0.0",
42 | "@typescript-eslint/parser": "^5.0.0",
43 | "eslint": "^8.0.1",
44 | "eslint-config-prettier": "^8.3.0",
45 | "eslint-plugin-prettier": "^4.0.0",
46 | "jest": "^27.2.5",
47 | "prettier": "^2.3.2",
48 | "source-map-support": "^0.5.20",
49 | "supertest": "^6.1.3",
50 | "ts-jest": "^27.0.3",
51 | "ts-loader": "^9.2.3",
52 | "ts-node": "^10.0.0",
53 | "tsconfig-paths": "^3.10.1",
54 | "typescript": "^4.3.5"
55 | },
56 | "jest": {
57 | "moduleFileExtensions": [
58 | "js",
59 | "json",
60 | "ts"
61 | ],
62 | "rootDir": "src",
63 | "testRegex": ".*\\.spec\\.ts$",
64 | "transform": {
65 | "^.+\\.(t|j)s$": "ts-jest"
66 | },
67 | "collectCoverageFrom": [
68 | "**/*.(t|j)s"
69 | ],
70 | "coverageDirectory": "../coverage",
71 | "testEnvironment": "node"
72 | }
73 | }
74 |
--------------------------------------------------------------------------------
/auth/src/app.controller.spec.ts:
--------------------------------------------------------------------------------
1 | import { Test, TestingModule } from '@nestjs/testing';
2 | import { AppController } from './app.controller';
3 | import { AppService } from './app.service';
4 |
5 | describe('AppController', () => {
6 | let appController: AppController;
7 |
8 | beforeEach(async () => {
9 | const app: TestingModule = await Test.createTestingModule({
10 | controllers: [AppController],
11 | providers: [AppService],
12 | }).compile();
13 |
14 | appController = app.get(AppController);
15 | });
16 |
17 | describe('root', () => {
18 | it('should return "Hello World!"', () => {
19 | expect(appController.getHello()).toBe('Hello World!');
20 | });
21 | });
22 | });
23 |
--------------------------------------------------------------------------------
/auth/src/app.controller.ts:
--------------------------------------------------------------------------------
1 | import { Controller, Get } from '@nestjs/common';
2 | import { MessagePattern } from '@nestjs/microservices';
3 | import { AppService } from './app.service';
4 |
5 | @Controller()
6 | export class AppController {
7 | constructor(private readonly appService: AppService) {}
8 |
9 | @Get()
10 | getHello(): string {
11 | return this.appService.getHello();
12 | }
13 |
14 | @MessagePattern('get_user')
15 | getUser(data: any) {
16 | return this.appService.getUser(data.value);
17 | }
18 | }
19 |
--------------------------------------------------------------------------------
/auth/src/app.module.ts:
--------------------------------------------------------------------------------
1 | import { Module } from '@nestjs/common';
2 | import { AppController } from './app.controller';
3 | import { AppService } from './app.service';
4 |
5 | @Module({
6 | imports: [],
7 | controllers: [AppController],
8 | providers: [AppService],
9 | })
10 | export class AppModule {}
11 |
--------------------------------------------------------------------------------
/auth/src/app.service.ts:
--------------------------------------------------------------------------------
1 | import { Injectable } from '@nestjs/common';
2 | import { GetUserRequest } from './get-user-request.dto';
3 |
4 | @Injectable()
5 | export class AppService {
6 | private readonly users: any[] = [
7 | {
8 | userId: '123',
9 | stripeUserId: '43234',
10 | },
11 | {
12 | userId: '345',
13 | stripeUserId: '27279',
14 | },
15 | ];
16 |
17 | getHello(): string {
18 | return 'Hello World!';
19 | }
20 |
21 | getUser(getUserRequest: GetUserRequest) {
22 | return this.users.find((user) => user.userId === getUserRequest.userId);
23 | }
24 | }
25 |
--------------------------------------------------------------------------------
/auth/src/get-user-request.dto.ts:
--------------------------------------------------------------------------------
1 | export class GetUserRequest {
2 | constructor(public readonly userId: string) {}
3 | }
4 |
--------------------------------------------------------------------------------
/auth/src/main.ts:
--------------------------------------------------------------------------------
1 | import { NestFactory } from '@nestjs/core';
2 | import { MicroserviceOptions, Transport } from '@nestjs/microservices';
3 | import { AppModule } from './app.module';
4 |
5 | async function bootstrap() {
6 | const app = await NestFactory.createMicroservice(
7 | AppModule,
8 | {
9 | transport: Transport.KAFKA,
10 | options: {
11 | client: {
12 | brokers: ['localhost:9092'],
13 | },
14 | consumer: {
15 | groupId: 'auth-consumer',
16 | },
17 | },
18 | },
19 | );
20 | app.listen();
21 | }
22 | bootstrap();
23 |
--------------------------------------------------------------------------------
/auth/test/app.e2e-spec.ts:
--------------------------------------------------------------------------------
1 | import { Test, TestingModule } from '@nestjs/testing';
2 | import { INestApplication } from '@nestjs/common';
3 | import * as request from 'supertest';
4 | import { AppModule } from './../src/app.module';
5 |
6 | describe('AppController (e2e)', () => {
7 | let app: INestApplication;
8 |
9 | beforeEach(async () => {
10 | const moduleFixture: TestingModule = await Test.createTestingModule({
11 | imports: [AppModule],
12 | }).compile();
13 |
14 | app = moduleFixture.createNestApplication();
15 | await app.init();
16 | });
17 |
18 | it('/ (GET)', () => {
19 | return request(app.getHttpServer())
20 | .get('/')
21 | .expect(200)
22 | .expect('Hello World!');
23 | });
24 | });
25 |
--------------------------------------------------------------------------------
/auth/test/jest-e2e.json:
--------------------------------------------------------------------------------
1 | {
2 | "moduleFileExtensions": ["js", "json", "ts"],
3 | "rootDir": ".",
4 | "testEnvironment": "node",
5 | "testRegex": ".e2e-spec.ts$",
6 | "transform": {
7 | "^.+\\.(t|j)s$": "ts-jest"
8 | }
9 | }
10 |
--------------------------------------------------------------------------------
/auth/tsconfig.build.json:
--------------------------------------------------------------------------------
1 | {
2 | "extends": "./tsconfig.json",
3 | "exclude": ["node_modules", "test", "dist", "**/*spec.ts"]
4 | }
5 |
--------------------------------------------------------------------------------
/auth/tsconfig.json:
--------------------------------------------------------------------------------
1 | {
2 | "compilerOptions": {
3 | "module": "commonjs",
4 | "declaration": true,
5 | "removeComments": true,
6 | "emitDecoratorMetadata": true,
7 | "experimentalDecorators": true,
8 | "allowSyntheticDefaultImports": true,
9 | "target": "es2017",
10 | "sourceMap": true,
11 | "outDir": "./dist",
12 | "baseUrl": "./",
13 | "incremental": true,
14 | "skipLibCheck": true,
15 | "strictNullChecks": false,
16 | "noImplicitAny": false,
17 | "strictBindCallApply": false,
18 | "forceConsistentCasingInFileNames": false,
19 | "noFallthroughCasesInSwitch": false
20 | }
21 | }
22 |
--------------------------------------------------------------------------------
/billing/.eslintrc.js:
--------------------------------------------------------------------------------
1 | module.exports = {
2 | parser: '@typescript-eslint/parser',
3 | parserOptions: {
4 | project: 'tsconfig.json',
5 | sourceType: 'module',
6 | },
7 | plugins: ['@typescript-eslint/eslint-plugin'],
8 | extends: [
9 | 'plugin:@typescript-eslint/recommended',
10 | 'plugin:prettier/recommended',
11 | ],
12 | root: true,
13 | env: {
14 | node: true,
15 | jest: true,
16 | },
17 | ignorePatterns: ['.eslintrc.js'],
18 | rules: {
19 | '@typescript-eslint/interface-name-prefix': 'off',
20 | '@typescript-eslint/explicit-function-return-type': 'off',
21 | '@typescript-eslint/explicit-module-boundary-types': 'off',
22 | '@typescript-eslint/no-explicit-any': 'off',
23 | },
24 | };
25 |
--------------------------------------------------------------------------------
/billing/.gitignore:
--------------------------------------------------------------------------------
1 | # compiled output
2 | /dist
3 | /node_modules
4 |
5 | # Logs
6 | logs
7 | *.log
8 | npm-debug.log*
9 | pnpm-debug.log*
10 | yarn-debug.log*
11 | yarn-error.log*
12 | lerna-debug.log*
13 |
14 | # OS
15 | .DS_Store
16 |
17 | # Tests
18 | /coverage
19 | /.nyc_output
20 |
21 | # IDEs and editors
22 | /.idea
23 | .project
24 | .classpath
25 | .c9/
26 | *.launch
27 | .settings/
28 | *.sublime-workspace
29 |
30 | # IDE - VSCode
31 | .vscode/*
32 | !.vscode/settings.json
33 | !.vscode/tasks.json
34 | !.vscode/launch.json
35 | !.vscode/extensions.json
--------------------------------------------------------------------------------
/billing/.prettierrc:
--------------------------------------------------------------------------------
1 | {
2 | "singleQuote": true,
3 | "trailingComma": "all"
4 | }
--------------------------------------------------------------------------------
/billing/README.md:
--------------------------------------------------------------------------------
1 |
2 |
3 |
4 |
5 | [circleci-image]: https://img.shields.io/circleci/build/github/nestjs/nest/master?token=abc123def456
6 | [circleci-url]: https://circleci.com/gh/nestjs/nest
7 |
8 | A progressive Node.js framework for building efficient and scalable server-side applications.
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
19 |
20 |
21 |
22 |
24 |
25 | ## Description
26 |
27 | [Nest](https://github.com/nestjs/nest) framework TypeScript starter repository.
28 |
29 | ## Installation
30 |
31 | ```bash
32 | $ npm install
33 | ```
34 |
35 | ## Running the app
36 |
37 | ```bash
38 | # development
39 | $ npm run start
40 |
41 | # watch mode
42 | $ npm run start:dev
43 |
44 | # production mode
45 | $ npm run start:prod
46 | ```
47 |
48 | ## Test
49 |
50 | ```bash
51 | # unit tests
52 | $ npm run test
53 |
54 | # e2e tests
55 | $ npm run test:e2e
56 |
57 | # test coverage
58 | $ npm run test:cov
59 | ```
60 |
61 | ## Support
62 |
63 | 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).
64 |
65 | ## Stay in touch
66 |
67 | - Author - [Kamil Myśliwiec](https://kamilmysliwiec.com)
68 | - Website - [https://nestjs.com](https://nestjs.com/)
69 | - Twitter - [@nestframework](https://twitter.com/nestframework)
70 |
71 | ## License
72 |
73 | Nest is [MIT licensed](LICENSE).
74 |
--------------------------------------------------------------------------------
/billing/nest-cli.json:
--------------------------------------------------------------------------------
1 | {
2 | "collection": "@nestjs/schematics",
3 | "sourceRoot": "src"
4 | }
5 |
--------------------------------------------------------------------------------
/billing/package.json:
--------------------------------------------------------------------------------
1 | {
2 | "name": "billing",
3 | "version": "0.0.1",
4 | "description": "",
5 | "author": "",
6 | "private": true,
7 | "license": "UNLICENSED",
8 | "scripts": {
9 | "prebuild": "rimraf dist",
10 | "build": "nest build",
11 | "format": "prettier --write \"src/**/*.ts\" \"test/**/*.ts\"",
12 | "start": "nest start",
13 | "start:dev": "nest start --watch",
14 | "start:debug": "nest start --debug --watch",
15 | "start:prod": "node dist/main",
16 | "lint": "eslint \"{src,apps,libs,test}/**/*.ts\" --fix",
17 | "test": "jest",
18 | "test:watch": "jest --watch",
19 | "test:cov": "jest --coverage",
20 | "test:debug": "node --inspect-brk -r tsconfig-paths/register -r ts-node/register node_modules/.bin/jest --runInBand",
21 | "test:e2e": "jest --config ./test/jest-e2e.json"
22 | },
23 | "dependencies": {
24 | "@nestjs/common": "^8.0.0",
25 | "@nestjs/core": "^8.0.0",
26 | "@nestjs/microservices": "^8.2.5",
27 | "@nestjs/platform-express": "^8.0.0",
28 | "kafkajs": "^1.15.0",
29 | "reflect-metadata": "^0.1.13",
30 | "rimraf": "^3.0.2",
31 | "rxjs": "^7.2.0"
32 | },
33 | "devDependencies": {
34 | "@nestjs/cli": "^8.0.0",
35 | "@nestjs/schematics": "^8.0.0",
36 | "@nestjs/testing": "^8.0.0",
37 | "@types/express": "^4.17.13",
38 | "@types/jest": "27.0.2",
39 | "@types/node": "^16.0.0",
40 | "@types/supertest": "^2.0.11",
41 | "@typescript-eslint/eslint-plugin": "^5.0.0",
42 | "@typescript-eslint/parser": "^5.0.0",
43 | "eslint": "^8.0.1",
44 | "eslint-config-prettier": "^8.3.0",
45 | "eslint-plugin-prettier": "^4.0.0",
46 | "jest": "^27.2.5",
47 | "prettier": "^2.3.2",
48 | "source-map-support": "^0.5.20",
49 | "supertest": "^6.1.3",
50 | "ts-jest": "^27.0.3",
51 | "ts-loader": "^9.2.3",
52 | "ts-node": "^10.0.0",
53 | "tsconfig-paths": "^3.10.1",
54 | "typescript": "^4.3.5"
55 | },
56 | "jest": {
57 | "moduleFileExtensions": [
58 | "js",
59 | "json",
60 | "ts"
61 | ],
62 | "rootDir": "src",
63 | "testRegex": ".*\\.spec\\.ts$",
64 | "transform": {
65 | "^.+\\.(t|j)s$": "ts-jest"
66 | },
67 | "collectCoverageFrom": [
68 | "**/*.(t|j)s"
69 | ],
70 | "coverageDirectory": "../coverage",
71 | "testEnvironment": "node"
72 | }
73 | }
74 |
--------------------------------------------------------------------------------
/billing/src/app.controller.spec.ts:
--------------------------------------------------------------------------------
1 | import { Test, TestingModule } from '@nestjs/testing';
2 | import { AppController } from './app.controller';
3 | import { AppService } from './app.service';
4 |
5 | describe('AppController', () => {
6 | let appController: AppController;
7 |
8 | beforeEach(async () => {
9 | const app: TestingModule = await Test.createTestingModule({
10 | controllers: [AppController],
11 | providers: [AppService],
12 | }).compile();
13 |
14 | appController = app.get(AppController);
15 | });
16 |
17 | describe('root', () => {
18 | it('should return "Hello World!"', () => {
19 | expect(appController.getHello()).toBe('Hello World!');
20 | });
21 | });
22 | });
23 |
--------------------------------------------------------------------------------
/billing/src/app.controller.ts:
--------------------------------------------------------------------------------
1 | import { Controller, Get, Inject, OnModuleInit } from '@nestjs/common';
2 | import { ClientKafka, EventPattern } from '@nestjs/microservices';
3 | import { AppService } from './app.service';
4 |
5 | @Controller()
6 | export class AppController implements OnModuleInit {
7 | constructor(
8 | private readonly appService: AppService,
9 | @Inject('AUTH_SERVICE') private readonly authClient: ClientKafka,
10 | ) {}
11 |
12 | @Get()
13 | getHello(): string {
14 | return this.appService.getHello();
15 | }
16 |
17 | @EventPattern('order_created')
18 | handleOrderCreated(data: any) {
19 | this.appService.handleOrderCreated(data.value);
20 | }
21 |
22 | onModuleInit() {
23 | this.authClient.subscribeToResponseOf('get_user');
24 | }
25 | }
26 |
--------------------------------------------------------------------------------
/billing/src/app.module.ts:
--------------------------------------------------------------------------------
1 | import { Module } from '@nestjs/common';
2 | import { ClientsModule, Transport } from '@nestjs/microservices';
3 | import { AppController } from './app.controller';
4 | import { AppService } from './app.service';
5 |
6 | @Module({
7 | imports: [
8 | ClientsModule.register([
9 | {
10 | name: 'AUTH_SERVICE',
11 | transport: Transport.KAFKA,
12 | options: {
13 | client: {
14 | clientId: 'auth',
15 | brokers: ['localhost:9092'],
16 | },
17 | consumer: {
18 | groupId: 'auth-consumer',
19 | },
20 | },
21 | },
22 | ]),
23 | ],
24 | controllers: [AppController],
25 | providers: [AppService],
26 | })
27 | export class AppModule {}
28 |
--------------------------------------------------------------------------------
/billing/src/app.service.ts:
--------------------------------------------------------------------------------
1 | import { Inject, Injectable } from '@nestjs/common';
2 | import { ClientKafka } from '@nestjs/microservices';
3 | import { GetUserRequest } from './get-user-request.dto';
4 | import { OrderCreatedEvent } from './order-created.event';
5 |
6 | @Injectable()
7 | export class AppService {
8 | constructor(
9 | @Inject('AUTH_SERVICE') private readonly authClient: ClientKafka,
10 | ) {}
11 |
12 | getHello(): string {
13 | return 'Hello World!';
14 | }
15 |
16 | handleOrderCreated(orderCreatedEvent: OrderCreatedEvent) {
17 | this.authClient
18 | .send('get_user', new GetUserRequest(orderCreatedEvent.userId))
19 | .subscribe((user) => {
20 | console.log(
21 | `Billing user with stripe ID ${user.stripeUserId} a price of $${orderCreatedEvent.price}...`,
22 | );
23 | });
24 | }
25 | }
26 |
--------------------------------------------------------------------------------
/billing/src/get-user-request.dto.ts:
--------------------------------------------------------------------------------
1 | export class GetUserRequest {
2 | constructor(public readonly userId: string) {}
3 |
4 | toString() {
5 | return JSON.stringify({
6 | userId: this.userId,
7 | });
8 | }
9 | }
10 |
--------------------------------------------------------------------------------
/billing/src/main.ts:
--------------------------------------------------------------------------------
1 | import { NestFactory } from '@nestjs/core';
2 | import { MicroserviceOptions, Transport } from '@nestjs/microservices';
3 | import { AppModule } from './app.module';
4 |
5 | async function bootstrap() {
6 | const app = await NestFactory.createMicroservice(
7 | AppModule,
8 | {
9 | transport: Transport.KAFKA,
10 | options: {
11 | client: {
12 | brokers: ['localhost:9092'],
13 | },
14 | consumer: {
15 | groupId: 'billing-consumer',
16 | },
17 | },
18 | },
19 | );
20 | app.listen();
21 | }
22 | bootstrap();
23 |
--------------------------------------------------------------------------------
/billing/src/order-created.event.ts:
--------------------------------------------------------------------------------
1 | export class OrderCreatedEvent {
2 | constructor(
3 | public readonly orderId: string,
4 | public readonly userId: string,
5 | public readonly price: number,
6 | ) {}
7 | }
8 |
--------------------------------------------------------------------------------
/billing/test/app.e2e-spec.ts:
--------------------------------------------------------------------------------
1 | import { Test, TestingModule } from '@nestjs/testing';
2 | import { INestApplication } from '@nestjs/common';
3 | import * as request from 'supertest';
4 | import { AppModule } from './../src/app.module';
5 |
6 | describe('AppController (e2e)', () => {
7 | let app: INestApplication;
8 |
9 | beforeEach(async () => {
10 | const moduleFixture: TestingModule = await Test.createTestingModule({
11 | imports: [AppModule],
12 | }).compile();
13 |
14 | app = moduleFixture.createNestApplication();
15 | await app.init();
16 | });
17 |
18 | it('/ (GET)', () => {
19 | return request(app.getHttpServer())
20 | .get('/')
21 | .expect(200)
22 | .expect('Hello World!');
23 | });
24 | });
25 |
--------------------------------------------------------------------------------
/billing/test/jest-e2e.json:
--------------------------------------------------------------------------------
1 | {
2 | "moduleFileExtensions": ["js", "json", "ts"],
3 | "rootDir": ".",
4 | "testEnvironment": "node",
5 | "testRegex": ".e2e-spec.ts$",
6 | "transform": {
7 | "^.+\\.(t|j)s$": "ts-jest"
8 | }
9 | }
10 |
--------------------------------------------------------------------------------
/billing/tsconfig.build.json:
--------------------------------------------------------------------------------
1 | {
2 | "extends": "./tsconfig.json",
3 | "exclude": ["node_modules", "test", "dist", "**/*spec.ts"]
4 | }
5 |
--------------------------------------------------------------------------------
/billing/tsconfig.json:
--------------------------------------------------------------------------------
1 | {
2 | "compilerOptions": {
3 | "module": "commonjs",
4 | "declaration": true,
5 | "removeComments": true,
6 | "emitDecoratorMetadata": true,
7 | "experimentalDecorators": true,
8 | "allowSyntheticDefaultImports": true,
9 | "target": "es2017",
10 | "sourceMap": true,
11 | "outDir": "./dist",
12 | "baseUrl": "./",
13 | "incremental": true,
14 | "skipLibCheck": true,
15 | "strictNullChecks": false,
16 | "noImplicitAny": false,
17 | "strictBindCallApply": false,
18 | "forceConsistentCasingInFileNames": false,
19 | "noFallthroughCasesInSwitch": false
20 | }
21 | }
22 |
--------------------------------------------------------------------------------