E-commerce Backend API

A robust Node.js backend API for an E-commerce application with features like user management, product catalog, shopping cart, and coupon system.

Features

• User Authentication & Authorization
• Product Management
• Category Management
• Shopping Cart Functionality
• Coupon System
• File Upload Support
• Email Notifications
• MongoDB Database Integration

Tech Stack

• Node.js
• Express.js
• MongoDB
• JWT Authentication
• Multer for file uploads
• Nodemailer for email notifications

Prerequisites

• Node.js (v14 or higher)
• MongoDB
• npm or yarn

Installation

1. Clone the repository:

git clone https://github.com/Amr3303/E-commerce.git
cd E-commerce-app

2. Install dependencies:

npm install

3. Create a .env file in the root directory with the following variables:

MONGODB_URI=your_mongodb_connection_string
PORT=5000

4. Start the server:

npm start

API Endpoints

Users

• POST /api/users/register - Register a new user
• POST /api/users/login - User login
• GET /api/users/profile - Get user profile
• PUT /api/users/profile - Update user profile

Products

• GET /api/products - Get all products
• GET /api/products/:id - Get product by ID
• POST /api/products - Create new product
• PUT /api/products/:id - Update product
• DELETE /api/products/:id - Delete product

Categories

• GET /api/categories - Get all categories
• POST /api/categories - Create new category
• PUT /api/categories/:id - Update category
• DELETE /api/categories/:id - Delete category

Cart

• GET /api/cart - Get user's cart
• POST /api/cart - Add item to cart
• PUT /api/cart/:id - Update cart item
• DELETE /api/cart/:id - Remove item from cart

Coupons

• GET /api/coupons - Get all coupons
• POST /api/coupons - Create new coupon
• PUT /api/coupons/:id - Update coupon
• DELETE /api/coupons/:id - Delete coupon

File Upload

The application supports file uploads for product images. Uploaded files are stored in the uploads directory and are served statically.

Error Handling

The API implements comprehensive error handling for:

• Validation errors
• Authentication errors
• Database errors
• File upload errors

Security Features

• JWT-based authentication
• Password hashing with bcrypt
• Input validation using Joi
• CORS enabled
• Secure file upload handling

Contributing

1. Fork the repository
2. Create your feature branch (git checkout -b feature/AmazingFeature)
3. Commit your changes (git commit -m 'Add some AmazingFeature')
4. Push to the branch (git push origin feature/AmazingFeature)
5. Open a Pull Request