KEX E-commerce Platform

A full-stack e-commerce platform built with React Native (frontend) and Node.js/Express (backend), featuring modern UI/UX, secure authentication, payment processing, and comprehensive admin functionality.

🚀 Features

Frontend (React Native)

• Modern UI/UX: Beautiful, responsive design with dark/light theme support
• Authentication: Complete user registration, login, and profile management
• Product Browsing: Advanced product search, filtering, and categorization
• Shopping Cart: Full cart functionality with quantity management
• Product Details: Rich product pages with image galleries, reviews, and variants
• Checkout Process: Streamlined checkout with address and payment management
• Order Management: Order tracking and history
• User Profile: Comprehensive profile management with settings
• Wishlist: Save and manage favorite products
• Reviews & Ratings: Product reviews and rating system
• Skeleton Loading: Smooth loading states for better UX

Web Frontend (React.js)

• Responsive Design: Mobile-first approach with TailwindCSS
• Modern UI: Clean, accessible design with dark mode support
• Performance Optimized: Lazy loading, code splitting, and image optimization
• Accessibility: WCAG 2.1 AA compliant with screen reader support
• PWA Ready: Progressive Web App with offline support
• SEO Optimized: Meta tags, structured data, and sitemap
• Reusable Components: Modular component architecture
• Fast Load Times: Optimized bundle size and caching strategies

Backend (Node.js/Express)

• RESTful API: Complete REST API with proper error handling
• Authentication: JWT-based authentication with refresh tokens
• Cart Management: Full shopping cart functionality with item management
• Wishlist Management: User wishlist with notes and priority levels
• Database: MongoDB with Mongoose ODM
• Payment Processing: Stripe integration for secure payments
• Email System: Transactional emails for orders and notifications
• File Upload: Cloudinary integration for image management
• Admin Panel: Comprehensive admin dashboard and management tools
• Analytics: Detailed sales, inventory, user, and product analytics
• Security: Rate limiting, input validation, and security middleware
• Caching: Redis integration for performance optimization

📱 Screenshots

Screenshots will be added here

🛠 Tech Stack

Frontend

• React Native - Cross-platform mobile development
• Expo - Development platform and tools
• React Navigation - Navigation and routing
• Context API - State management
• AsyncStorage - Local data persistence
• Vector Icons - Icon library

Web Frontend

• React.js - Modern web development
• Vite - Fast build tool and dev server
• TailwindCSS - Utility-first CSS framework
• React Router - Client-side routing
• React Query - Server state management
• Framer Motion - Animation library
• Lucide React - Icon library

Backend

• Node.js - JavaScript runtime
• Express.js - Web framework
• MongoDB - NoSQL database
• Mongoose - Object Data Modeling
• JWT - Authentication tokens
• Stripe - Payment processing
• Nodemailer - Email sending
• Cloudinary - Image upload and management
• Redis - Caching and sessions
• Multer - File upload handling

📋 Prerequisites

Before running this project, make sure you have the following installed:

• Node.js (v16 or higher)
• npm or yarn
• MongoDB (local or cloud)
• Expo CLI (npm install -g expo-cli)
• React Native development environment

🚀 Installation

1. Clone the repository

git clone https://github.com/yourusername/kex-ecommerce.git
cd kex-ecommerce

2. Install dependencies

Backend

cd server
npm install

Mobile Frontend

cd client
npm install

Web Frontend

cd web
npm install

3. Environment Setup

Backend Environment

cd server
cp env.example .env

Edit the .env file with your configuration:

PORT=5000
MONGODB_URI=mongodb://localhost:27017/kex-ecommerce
JWT_SECRET=your-super-secret-jwt-key
SMTP_USER=your-email@gmail.com
SMTP_PASS=your-app-password
STRIPE_SECRET_KEY=sk_test_your_stripe_secret_key
CLOUDINARY_CLOUD_NAME=your-cloud-name
CLOUDINARY_API_KEY=your-api-key
CLOUDINARY_API_SECRET=your-api-secret

Frontend Environment

The frontend uses the API configuration in client/src/config/api.js. Update the API_BASE_URL for your environment.

4. Database Setup

# Start MongoDB (if running locally)
mongod

# Or use MongoDB Atlas (cloud)
# Update MONGODB_URI in .env file

5. Start the development servers

Backend

cd server
npm run dev

Frontend

cd client
expo start

📱 Running the App

Using Expo Go (Recommended for development)

1. Install Expo Go on your mobile device
2. Scan the QR code from the terminal
3. The app will load on your device

Using Simulator/Emulator

# iOS Simulator
expo start --ios

# Android Emulator
expo start --android

🏗 Project Structure

kex-ecommerce/
├── client/                 # React Native frontend
│   ├── src/
│   │   ├── components/     # Reusable components
│   │   ├── screens/        # Screen components
│   │   ├── context/        # React Context providers
│   │   ├── config/         # Configuration files
│   │   ├── utils/          # Utility functions
│   │   └── assets/         # Images, fonts, etc.
│   ├── App.js             # Main app component
│   └── package.json       # Frontend dependencies
├── server/                # Node.js backend
│   ├── models/            # Database models
│   ├── routes/            # API routes
│   ├── middleware/        # Custom middleware
│   ├── utils/             # Utility functions
│   ├── index.js           # Server entry point
│   └── package.json       # Backend dependencies
├── admin/                 # Admin dashboard (future)
└── README.md             # Project documentation

🔧 Configuration

API Configuration

Update client/src/config/api.js:

export const API_BASE_URL = __DEV__ 
  ? 'http://localhost:5000' 
  : 'https://your-production-api.com';

Database Configuration

The app uses MongoDB. Configure your connection in server/.env:

MONGODB_URI=mongodb://localhost:27017/kex-ecommerce

Payment Configuration

Set up Stripe in server/.env:

STRIPE_SECRET_KEY=sk_test_your_stripe_secret_key
STRIPE_PUBLISHABLE_KEY=pk_test_your_stripe_publishable_key

📚 API Documentation

Authentication Endpoints

• POST /api/auth/register - User registration
• POST /api/auth/login - User login
• POST /api/auth/logout - User logout
• POST /api/auth/forgot-password - Password reset request
• POST /api/auth/reset-password - Password reset

Product Endpoints

• GET /api/products - Get all products with filtering
• GET /api/products/:id - Get product details
• POST /api/products/:id/reviews - Add product review
• GET /api/categories - Get product categories

Order Endpoints

• GET /api/orders - Get user orders
• POST /api/orders - Create new order
• GET /api/orders/:id - Get order details
• PUT /api/orders/:id/status - Update order status

User Endpoints

• GET /api/users/profile - Get user profile
• PUT /api/users/profile - Update user profile
• POST /api/users/change-password - Change password
• GET /api/users/addresses - Get user addresses
• POST /api/users/addresses - Add new address

🔒 Security Features

• JWT Authentication with refresh tokens
• Password Hashing using bcrypt
• Input Validation with express-validator
• Rate Limiting to prevent abuse
• CORS Configuration for cross-origin requests
• Helmet.js for security headers
• SQL Injection Protection (MongoDB)
• XSS Protection with input sanitization

🧪 Testing

Backend Testing

cd server
npm test

Frontend Testing

cd client
npm test

📦 Deployment

Backend Deployment (Heroku)

cd server
heroku create your-app-name
heroku config:set NODE_ENV=production
heroku config:set MONGODB_URI=your-production-mongodb-uri
git push heroku main

Frontend Deployment (Expo)

cd client
expo build:android  # For Android
expo build:ios      # For iOS

🤝 Contributing

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

📄 License

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

🆘 Support

If you encounter any issues or have questions:

1. Check the Issues page
2. Create a new issue with detailed information
3. Contact the development team

🙏 Acknowledgments

• Expo for the amazing development platform
• React Navigation for navigation solutions
• Stripe for payment processing
• MongoDB for the database
• Cloudinary for image management

📈 Roadmap

• Admin dashboard with analytics
• Push notifications
• Social media login
• Multi-language support
• Advanced search with Elasticsearch
• Real-time chat support
• Advanced inventory management
• Subscription/membership features
• Mobile app store deployment
• Performance optimization
• Unit and integration tests
• CI/CD pipeline setup

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Made with ❤️ by the KEX Development Team