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# 🛒 DEA E-Commerce Platform

![Node.js](https://img.shields.io/badge/Node.js-18+-green?logo=node.js)
![PostgreSQL](https://img.shields.io/badge/PostgreSQL-14+-blue?logo=postgresql)
![Express](https://img.shields.io/badge/Express.js-Backend-lightgrey?logo=express)
![React](https://img.shields.io/badge/React-Frontend-61DAFB?logo=react)
![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)

A secure, full-featured **e-commerce platform** built with **Node.js, Express, React, and PostgreSQL**, offering product management, role-based dashboards, secure checkout, and order tracking for customers, suppliers, and administrators.

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## 🚀 Features

- **User Authentication & Roles**: JWT-based authentication for **Customer**, **Supplier**, and **Admin** roles  
- **Product Management**: Add, edit, delete products with categories & images  
- **Dynamic Shopping Cart**: Real-time updates and smooth checkout flow  
- **Order Management**: Track, view, and manage orders efficiently  
- **Payment Integration**: Supports secure online payments (gateway-ready)  
- **Supplier Dashboard**: Manage stock, view sales analytics  
- **Admin Panel**: Oversee users, products, and transactions  
- **Responsive Design**: Works on desktop, tablet, and mobile  

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## 🔐 Security Features

- **JWT Authentication**  
  - Token-based login with expiration  
  - Refresh token support for extended sessions  

- **Role-Based Access Control**  
  - Separate permissions for Admin, Supplier, and Customer  

- **Secure Password Storage**  
  - Hashing and salting following industry standards  

- **CORS Protection**  
  - Safe API access for front-end integrations  

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## 🛠️ Installation

### Prerequisites
- Node.js **18+**  
- PostgreSQL **14+**  
- Git  

### Setup
1. **Clone the repository**  
   ```bash
   git clone https://github.com/NSBMFinalProjects/DEA-Ecommerce.git
   cd DEA-Ecommerce

2. Install dependencies

   npm install

3. Configure environment variables Create a .env file:

   DB_HOST=your_db_host
   DB_USER=your_db_user
   DB_PASSWORD=your_db_password
   DB_NAME=dea_ecommerce
   JWT_SECRET=your_secret_key

4. Run migrations

   npx sequelize-cli db:migrate

5. Start the server

   npm run dev

The server will start on http://localhost:3000 (or configured port).

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📡 API Endpoints

Authentication

• POST /api/auth/register – Register a new user
• POST /api/auth/login – Login & receive token

Products

• GET /api/products – Fetch all products
• POST /api/products – Add a new product (Admin/Supplier only)

Orders

• POST /api/orders – Place an order
• GET /api/orders/:id – Get order details

(Full API documentation coming soon)

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🔧 Usage

Sample Fetch Request (JavaScript)

const token = "your_jwt_token";
fetch("http://localhost:3000/api/products", {
  headers: { "Authorization": `Bearer ${token}` }
})
.then(res => res.json())
.then(data => console.log(data));

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🗂 Roadmap

• Complete Swagger API documentation
• Add multi-language support
• Enable advanced analytics for suppliers
• Integrate multiple payment gateways
• Implement email & SMS notifications

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👥 Contributors

• Team: NSBM Final Year Project Team

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📝 License

This project is licensed under the MIT License - see the LICENSE file for details.

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📞 Support

For questions and support, please open an issue in the GitHub repository.