tanmay0922 / -online-library-management-system

An online library management system

Online Library Management System

Overview

The Online Library Management System is a web application built using the MERN stack (MongoDB, Express.js, React.js, Node.js). The application allows users to manage books in a library, including functionalities for adding books, viewing the library catalog, and user authentication.

Features

• User Authentication: Secure user registration and login using JWT.
• Book Management: Add, view, and manage books in the library.
• Responsive Design: User-friendly and responsive interface.

Technologies Used

• Frontend: React.js, Bootstrap
• Backend: Node.js, Express.js
• Database: MongoDB
• Authentication: JSON Web Tokens (JWT)

Installation

Prerequisites

• Node.js
• npm (Node Package Manager)
• MongoDB

Backend Setup

1. Clone the repository:

   git clone https://github.com/your-username/online-library-system.git
   cd online-library-system/backend

2. Install backend dependencies:

   npm install

3. Create a .env file in the backend directory and add the following environment variables:

   PORT=5000
   MONGO_URI=your_mongodb_uri
   JWT_SECRET=your_jwt_secret
   

4. Start the backend server:

   npm start

Frontend Setup

1. Navigate to the frontend directory:

   cd ../frontend

2. Install frontend dependencies:

   npm install

3. Start the frontend development server:

   npm start

Usage

Running the Application

1. Ensure MongoDB is running.
2. Start the backend server:

   cd backend
   npm start

3. Start the frontend development server:

   cd ../frontend
   npm start

4. Open your browser and navigate to http://localhost:3000.

API Endpoints

• Register User: POST /api/auth/register
• Login User: POST /api/auth/login
• Add Book: POST /api/books (Authorization: Bearer <JWT Token>)
• Get Books: GET /api/books

Example API Requests

• Register User:

  POST http://localhost:5000/api/auth/register
  {
    "username": "testuser",
    "name": "Test User",
    "email": "[email protected]",
    "password": "password123",
    "contactNumber": "1234567890"
  }

• Login User:

  POST http://localhost:5000/api/auth/login
  {
    "email": "[email protected]",
    "password": "password123"
  }

• Add Book:

  POST http://localhost:5000/api/books
  Headers: {
    "Authorization": "Bearer <JWT Token>"
  }
  {
    "name": "The Great Gatsby",
    "author": "F. Scott Fitzgerald",
    "availabilityStatus": true
  }

• Get Books:

  GET http://localhost:5000/api/books

Folder Structure

online-library-system/
  ├── backend/
  │   ├── controllers/
  │   ├── models/
  │   ├── routes/
  │   ├── server.js
  │   ├── .env
  │   └── package.json
  ├── frontend/
  │   ├── public/
  │   ├── src/
  │   │   ├── components/
  │   │   ├── App.js
  │   │   ├── index.js
  │   │   └── ...
  │   ├── .env
  │   └── package.json
  ├── README.md
  └── .gitignore

Contributing

Contributions are welcome! Please fork the repository and submit a pull request for any features, improvements, or bug fixes.