EduNexus - Full-Stack Learning Management System

EduNexus is a modern, full-stack Learning Management System (LMS) built with React, Spring Boot, and MongoDB. It provides a comprehensive platform for educational institutions to manage courses, students, and instructors.

Features

Authentication & Authorization

• JWT-based authentication system
• Role-based access control (Admin, Instructor, Student)
• Secure password encryption using BCrypt
• User registration and login functionality
• Session management with JWT tokens

User Management

• User registration with role selection
• User profile management
• Role-based access control
• User authentication and authorization
• Password encryption and security

Course Management

• Course creation and management
• Course enrollment system
• Course content organization
• Course progress tracking
• Course categorization

Student Features

• Course enrollment
• Progress tracking
• Course materials access
• Assignment submission
• Grade viewing

Instructor Features

• Course creation and management
• Student enrollment management
• Assignment creation and grading
• Course content management
• Student progress monitoring

Admin Features

• User management
• Course management
• System configuration
• Analytics and reporting
• Role management

Tech Stack

Frontend

• React.js
• Material-UI
• Axios for API calls
• React Router for navigation
• Redux for state management

Backend

• Spring Boot
• Spring Security
• JWT Authentication
• MongoDB
• Maven

Database

• MongoDB
• Document-based storage
• Flexible schema design

Prerequisites

• Node.js (v14 or higher)
• Java JDK (v11 or higher)
• MongoDB
• Maven
• npm or yarn

Project Structure

EduNexus/
├── backend/
│   ├── src/
│   │   ├── main/
│   │   │   ├── java/
│   │   │   │   └── com/
│   │   │   │       └── edunexus/
│   │   │   │           ├── config/           # Spring configuration classes
│   │   │   │           ├── controller/       # REST API controllers
│   │   │   │           ├── dto/              # Data Transfer Objects
│   │   │   │           ├── model/            # Domain models
│   │   │   │           ├── repository/       # MongoDB repositories
│   │   │   │           ├── security/         # Security related classes
│   │   │   │           └── service/          # Business logic services
│   │   │   └── resources/
│   │   │       └── application.properties    # Application configuration
│   │   └── test/                             # Test classes
│   ├── pom.xml                               # Maven configuration
│   └── README.md
└── frontend/
    ├── public/                               # Static files
    ├── src/
    │   ├── components/                       # Reusable UI components
    │   ├── pages/                            # Page components
    │   ├── services/                         # API service calls
    │   ├── store/                            # Redux store
    │   ├── utils/                            # Utility functions
    │   ├── App.js                            # Main application component
    │   └── index.js                          # Application entry point
    ├── package.json                          # NPM configuration
    └── README.md

Database Schema

User Collection

{
  "_id": "ObjectId",
  "email": "String",
  "password": "String",
  "firstName": "String",
  "lastName": "String",
  "role": "String", // "admin", "instructor", "student"
  "enrolledCourses": ["ObjectId"],
  "managedCourses": ["ObjectId"],
  "createdAt": "Date",
  "updatedAt": "Date"
}

Course Collection

{
  "_id": "ObjectId",
  "title": "String",
  "description": "String",
  "instructorId": "ObjectId",
  "category": "String",
  "enrolledStudents": ["ObjectId"],
  "modules": [
    {
      "title": "String",
      "content": "String",
      "order": "Number"
    }
  ],
  "assignments": [
    {
      "title": "String",
      "description": "String",
      "dueDate": "Date",
      "submissions": [
        {
          "studentId": "ObjectId",
          "submissionDate": "Date",
          "grade": "Number",
          "feedback": "String"
        }
      ]
    }
  ],
  "createdAt": "Date",
  "updatedAt": "Date"
}

Assignment Collection

{
  "_id": "ObjectId",
  "courseId": "ObjectId",
  "title": "String",
  "description": "String",
  "dueDate": "Date",
  "totalMarks": "Number",
  "submissions": [
    {
      "studentId": "ObjectId",
      "submissionDate": "Date",
      "grade": "Number",
      "feedback": "String"
    }
  ],
  "createdAt": "Date",
  "updatedAt": "Date"
}

Installation

Backend Setup

1. Navigate to the backend directory:

   cd backend

2. Install dependencies:

   mvn install

3. Configure MongoDB connection in application.properties

4. Start the backend server:

   mvn spring-boot:run

Frontend Setup

1. Navigate to the frontend directory:

   cd frontend

2. Install dependencies:

   npm install

3. Start the development server:

   npm start

API Endpoints

Authentication

• POST /api/auth/register - Register a new user
• POST /api/auth/login - User login
• GET /api/auth/me - Get current user details

User Management

• GET /api/users - Get all users (Admin only)
• GET /api/users/{id} - Get user by ID
• PUT /api/users/{id} - Update user
• DELETE /api/users/{id} - Delete user

Course Management

• GET /api/courses - Get all courses
• POST /api/courses - Create new course
• GET /api/courses/{id} - Get course by ID
• PUT /api/courses/{id} - Update course
• DELETE /api/courses/{id} - Delete course

Security Features

• JWT-based authentication
• Role-based access control
• Password encryption
• CORS configuration
• CSRF protection
• Input validation
• Secure session management

Environment Variables

Backend

spring.data.mongodb.uri=mongodb://localhost:27017/edunexus
jwt.secret=your-secret-key
jwt.expiration=86400000

Frontend

REACT_APP_API_URL=http://localhost:8083/api

Contributing

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

License

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

Contact

For any queries or support, please contact the development team.