Student Portal - Backend Documentation

Overview

A Node.js/TypeScript backend for a student portal featuring real-time communication, event management, and academic resource sharing.

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Project Structure

src/
├── config/           # Configuration files (DB, Socket, etc.)
├── controllers/      # REST API controllers
├── models/          # Mongoose data models
├── routes/          # API route definitions
├── services/        # Business logic services
├── middleware/      # Express middleware
├── utils/           # Utility functions
├── jobs/            # Background job definitions
├── validations/     # Input validation schemas
└── types/           # TypeScript type definitions

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Tech Stack

Backend Core

• Node.js with Express.js framework
• TypeScript → for type safety and better development experience
• MongoDB with Mongoose ODM
• Socket.IO → for real-time bidirectional communication

Authentication & Security

• JWT → for stateless authentication
• bcrypt → for password hashing
• OAuth 2.0 → for Google Calendar integration
• CORS and Helmet → for security headers
• Rate limiting → for API protection

File Handling & Storage

• Multer → for file upload handling
• Cloudinary → for cloud storage and image processing
• Local file system → fallback

Background Processing

• Agenda.js → for job scheduling and background tasks
• Event-driven architecture with custom event manager
• Batch operations → for performance optimization

Notifications & Communication

• Firebase Cloud Messaging (FCM) → for push notifications
• Nodemailer → for email notifications
• Socket.IO → for real-time in-app notifications

Development Tools

• Jest → for comprehensive testing
• ESLint and Prettier → for code quality
• Nodemon → for development hot-reloading
• TypeScript compilation and type checking

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