mend

src/__test__/subscription.test.ts

@@ -0,0 +1,97 @@
+import request from 'supertest';
+import app from '../app';
+import { afterAllHook, beforeAllHook } from './testSetup';
+import dbConnection from '../database';
+import Subscription from '../database/models/Subscribe';
+
+const subscribeRepository = dbConnection.getRepository(Subscription);
+
+beforeAll(async () => {
+  await beforeAllHook();
+});
+
+afterAll(async () => {
+  await afterAllHook();
+});
+
+describe('POST /api/v1/subscribe', () => {
+  beforeEach(async () => {
+    // Clear the table before each test
+    await subscribeRepository.clear();
+  });
+
+  it('should subscribe successfully with a valid email', async () => {
+    const response = await request(app)
+      .post('/api/v1/subscribe')
+      .send({ email: 'test@example.com' });
+
+    expect(response.status).toBe(201);
+    expect(response.body.message).toBe('Subscribed successfully');
+    expect(response.body.subscription.email).toBe('test@example.com');
+
+    const subscription = await subscribeRepository.findOne({
+      where: { email: 'test@example.com' },
+    });
+    expect(subscription).toBeDefined();
+  });
+
+  it('should return 400 if the email is already subscribed', async () => {
+    const subscription = new Subscription();
+    subscription.email = 'test@example.com';
+    await subscribeRepository.save(subscription);
+
+    const response = await request(app)
+      .post('/api/v1/subscribe')
+      .send({ email: 'test@example.com' });
+
+    expect(response.status).toBe(400);
+    expect(response.body.message).toBe('Email is already subscribed');
+  });
+
+  it('should return 400 for an invalid email format', async () => {
+    const response = await request(app)
+      .post('/api/v1/subscribe')
+      .send({ email: 'invalid-email' });
+
+    expect(response.status).toBe(400);
+    expect(response.body.errors[0].msg).toBe('Email is not valid');
+  });
+});
+
+describe('DELETE /api/v1/subscribe/delete/:id', () => {
+  beforeEach(async () => {
+    // Clear the table before each test
+    await subscribeRepository.clear();
+  });
+
+  it('should remove a subscription successfully', async () => {
+    const subscription = new Subscription();
+    subscription.email = 'test@example.com';
+    await subscribeRepository.save(subscription);
+
+    const response = await request(app)
+      .delete(`/api/v1/subscribe/delete/${subscription.id}`)
+      .send();
+
+    expect(response.status).toBe(200);
+    expect(response.body.message).toBe('Subscription removed successfully');
+  });
+
+  it('should return 404 if the subscription does not exist', async () => {
+    const response = await request(app)
+      .delete('/api/v1/subscribe/delete/450')
+      .send();
+
+    expect(response.status).toBe(404);
+    expect(response.body.message).toBe('Subscription not found');
+  });
+
+  it('should return 400 for invalid ID', async () => {
+    const response = await request(app)
+      .delete('/api/v1/subscribe/delete/noid')
+      .send();
+
+    expect(response.status).toBe(400);
+    expect(response.body.message).toBeUndefined();
+  });
+});

src/controller/subscribeController.ts

@@ -0,0 +1,64 @@
+import { Request, Response } from 'express';
+import errorHandler from '../middlewares/errorHandler';
+import dbConnection from '../database';
+import Subscription from '../database/models/Subscribe';
+import { check, validationResult } from 'express-validator';
+
+const subscribeRepository = dbConnection.getRepository(Subscription);
+const userEmailRules = [
+  check('email').isEmail().normalizeEmail().withMessage('Email is not valid'),
+];
+export const subscribe = [
+  ...userEmailRules,
+  errorHandler(async (req: Request, res: Response) => {
+    const { email } = req.body;
+    const errors = validationResult(req);
+    if (!errors.isEmpty()) {
+      return res.status(400).json({ errors: errors.array() });
+    }
+
+    const alreadSubscribed = await subscribeRepository.findOneBy({
+      email: req.body.email,
+    });
+    if (alreadSubscribed) {
+      return res.status(400).json({ message: 'Email is already subscribed' });
+    }
+
+    const subscription = new Subscription();
+    subscription.email = email;
+
+    await subscribeRepository.save(subscription);
+    res.status(201).json({ message: 'Subscribed successfully', subscription });
+  }),
+];
+
+const userIdRules = [
+  check('id').isInt({ min: 1 }).withMessage(' ID is required'),
+];
+
+export const removeSubscriber = [
+  ...userIdRules,
+  errorHandler(async (req: Request, res: Response) => {
+    const id: number = parseInt(req.params.id);
+
+    const errors = validationResult(req);
+    if (!errors.isEmpty()) {
+      return res.status(400).json({ errors: errors.array() });
+    }
+
+    try {
+      const subscription = await subscribeRepository.findOne({
+        where: { id },
+      });
+
+      if (!subscription) {
+        return res.status(404).json({ message: 'Subscription not found' });
+      }
+
+      await subscribeRepository.remove(subscription);
+      res.status(200).json({ message: 'Subscription removed successfully' });
+    } catch (error) {
+      res.status(500).json({ message: 'Error removing subscription', error });
+    }
+  }),
+];

src/database/models/Subscribe.ts

@@ -0,0 +1,12 @@
+import { Entity, PrimaryGeneratedColumn, Column } from 'typeorm';
+import { IsEmail } from 'class-validator';
+
+@Entity()
+export default class Subscription {
+  @PrimaryGeneratedColumn()
+  id: number;
+
+  @Column()
+  @IsEmail()
+  email: string;
+}

src/emails/index.ts

@@ -1,10 +1,10 @@
 import axios from 'axios';
 import handlebars from 'handlebars';
 import fs from 'fs';
-type EmailType = 'confirm' | 'reset';
+type EmailType = 'confirm' | 'reset' | 'subscription';
 type Data = {
-  name: string;
-  link: string;
+  name?: string;
+  link?: string;
 };
 /**
  * Sends an email of the specified type to the recipient using the provided data.
@@ -15,7 +15,7 @@ type Data = {
  * @returns A Promise that resolves to the response from the email service.
  * @throws An error if there is an issue sending the email.
  */
-async function sendEmail(emailType: EmailType, recipient: string, data: Data) {
+async function sendEmail(emailType: EmailType, recipient: string, data?: Data) {
   const templatePath = `./src/emails/templates/${emailType}.html`;
   try {
     // Read the Handlebars template file

src/routes/userRoutes.ts

@@ -17,6 +17,7 @@ import {
 } from '../controller/changestatusController';
 import { checkRole } from '../middlewares/authorize';
 import { IsLoggedIn } from '../middlewares/isLoggedIn';
+import { subscribe, removeSubscriber } from '../controller/subscribeController';
 
 const userRouter = Router();
 userRouter.post('/register', registerUser);
@@ -39,7 +40,9 @@ userRouter.put(
   deactivateAccount
 );
 userRouter.post('/recover', recoverPassword);
-userRouter.put('/recover/confirm', updateNewPassword)
+userRouter.put('/recover/confirm', updateNewPassword);
 
-userRouter.put('/updateProfile/:id',updateProfile);
+userRouter.put('/updateProfile/:id', updateProfile);
+userRouter.post('/subscribe', subscribe);
+userRouter.delete('/subscribe/delete/:id', removeSubscriber);
 export default userRouter;