Online Courses Backend

A robust backend system for managing online courses, built with NestJS and Prisma ORM. This project provides secure user authentication, course progress tracking, payment processing, and file uploads, ensuring a seamless learning experience.

🌟 Features

• User Authentication: Secure JWT-based authentication with support for Facebook and Google OAuth.
• OTP Verification: Email-based OTP handling for account verification.
• Payment Integration: Seamless payment processing with Paymob API.
• Course Management: Track user progress, completed tasks, and levels.
• File Uploads: Secure file uploads to AWS S3 with pre-signed URLs.
• Admin Controls: Role-based access for managing users and content.
• Scalable Architecture: Modular design for easy scalability and maintainability.

🛠 Tech Stack

• Framework: NestJS
• Database: PostgreSQL with Prisma ORM
• Authentication: Passport.js with JWT, Facebook, and Google strategies
• File Storage: AWS S3
• Payment Gateway: Paymob
• Testing: Jest
• Deployment: Vercel

🚀 Quick Start

Prerequisites

• Node.js >= 20.0.0
• npm >= 10.0.0
• PostgreSQL instance
• AWS S3 bucket
• Paymob account

Environment Variables

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

PORT=5000
JWT_SECRET=your_jwt_secret
AWS_ACCESS_KEY_ID=your_aws_access_key
AWS_SECRET_ACCESS_KEY=your_aws_secret_key
AWS_REGION=your_aws_region
AWS_S3_BUCKET=your_s3_bucket_name
PAYMOB_SECRET_KEY=your_paymob_secret_key
PAYMOB_PUBLIC_KEY=your_paymob_public_key
PAYMOB_INTEGRATION_ID=your_paymob_integration_id

Installation

1. Clone the repository:

git clone https://github.com/itzSerag/Online_Courses_Backend.git
cd Online_Courses_Backend

2. Install dependencies:

npm install

3. Run database migrations:

npx prisma migrate dev

4. Start the development server:

npm run start:dev

The server will start on http://localhost:5000/api.

📄 API Documentation

Authentication Endpoints

• POST /api/auth/signup: Register a new user
• POST /api/auth/login: Login user
• POST /api/auth/reset-password: Reset user password
• POST /api/auth/verify-otp: Verify OTP for account activation
• POST /api/auth/logout: Logout user

User Endpoints

• GET /api/users/me: Get current user details
• GET /api/users/all: Get all users (Admin only)
• POST /api/users/complete-day: Mark a day as completed
• POST /api/users/complete-task: Mark a task as completed

Payment Endpoints

• POST /api/payment/process-payment: Process a payment
• POST /api/payment/refund: Refund a payment
• POST /api/payment/callback: Handle payment callback

Upload Endpoints

• POST /api/files: Upload course content
• GET /api/files: Retrieve course content
• DELETE /api/files: Delete course content

🔌 WebSocket Events

• connection: Client connects to WebSocket server
• disconnect: Client disconnects from WebSocket server

🔗 Related Repositories

• Frontend Repository: Online Courses Frontend

📝 License

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

👨‍💻 Author

• @itzSerag

🤝 Contributing

Contributions, issues, and feature requests are welcome! Feel free to check the issues page.

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