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🎟 Event Ticketing System

An event ticketing system built with Node.js, Express, and MongoDB that allows users to purchase event tickets and generate QR codes for verification.

🚀 Features

✅ User Authentication (Middleware-protected routes)
✅ Purchase Tickets with API endpoints
✅ Generate QR Codes for ticket validation
✅ Express-based REST API for easy integration
✅ MongoDB Database for storing ticket & event details

📂 Project Structure

event-ticketing/
│── controllers/         # Contains business logic (purchaseTicket, etc.)
│── middleware/          # Middleware (authMiddleware for authentication)
│── models/              # Database models (User, Ticket, Event)
│── routes/              # Express routes (API endpoints)
│── server.js            # Main entry point for the backend server
│── package.json         # Dependencies and scripts
└── README.md            # Project documentation

🛠️ Installation & Setup

1️⃣ Clone the repository

git clone https://github.com/yourusername/event-ticketing.git
cd event-ticketing

2️⃣ Install dependencies

npm install

3️⃣ Setup environment variables

Create a .env file in the root directory and add:

PORT=5000
MONGO_URI=mongodb+srv://yourusername:[email protected]/ticketing
JWT_SECRET=your_secret_key

4️⃣ Run the server

npm start

Your backend will be running on http://localhost:5000.

🔗 API Endpoints

User Authentication

Method Endpoint Description
POST /api/auth/register Register a new user
POST /api/auth/login Login and get token

Ticket Management

Method Endpoint Description
POST /api/tickets/generate-qrcode Generate ticket QR code

🔨 Example Routes

User Registration

POST /api/auth/register
{
  "name": "John Doe",
  "email": "[email protected]",
  "password": "securepassword"
}

Response:

{
  "message": "User registered successfully",
  "token": "your_jwt_token"
}

Generate Ticket QR Code

POST /api/tickets/generate-qrcode
Headers: { "Authorization": "Bearer your_jwt_token" }
Body:
{
  "event_id": "64bcd56f1a23bc9c",
  "user_id": "64acd23f45fcd123"
}

Response:

{
  "ticket_id": "64dd123f4bcd8912",
  "qr_code": "qrcode_link_here"
}

🐛 Debugging Tips

  • Issue: Cannot read properties of undefined (reading 'id')
    ✅ Solution: Ensure express.json() is used in server.js:

    app.use(express.json());
app.use(express.urlencoded({ extended: true }));

  • Issue: API request body is empty
    ✅ Solution: Check if the request is sent with Content-Type: application/json.

🏗 Future Enhancements

🔹 Stripe Payment Integration for ticket purchases
🔹 User Dashboard to manage booked tickets
🔹 Admin Panel for event management

🤝 Contributing

Feel free to submit issues, pull requests, or feature requests.

📜 License

This project is licensed under the MIT License.

🎉 Happy coding! Let me know if you have any issues!