library-management/ ├── controllers/ │ ├── bookController.js # Handles book-related endpoints │ ├── readerController.js # Handles reader-specific endpoints │ ├── userController.js # Handles user-related endpoints ├── middleware/ │ └── authMiddleware.js # Protect routes and authorize actions ├── models/ │ ├── Book.js # Book schema │ └── User.js # User schema ├── routes/ │ ├── bookRoutes.js # Routes for books │ ├── readerRoutes.js # Routes for readers │ └── userRoutes.js # Routes for users ├── config/ │ └── db.js # MongoDB connection setup ├── .env # Environment variables ├── app.js # Main application entry point ├── package.json # Node.js dependencies and scripts └── README.md # Project documentation

Library Management System - Backend

Overview

This project is a backend system for a Library Management System. It supports:

• User management for Readers and Authors.
• CRUD operations for books.
• Borrowing and returning books by Readers.
• Secure session management with JWT authentication.

Features

1. User Management:
   • Create accounts for Readers and Authors.
   • Update or delete user accounts.
2. Book Management:
   • Authors can create, view, update, and delete books.
   • Readers can view available books or search for books by title, author, or genre.
3. Borrowing and Returning Books:
   • Readers can borrow books (up to 5) and return them.
4. Session Validation:
   • Ensures user sessions are valid for 15 days after signing up or logging in.

Technologies Used

• Backend Framework: Express.js
• Database: MongoDB (MongoDB Atlas)
• Authentication: JSON Web Tokens (JWT)
• Language: JavaScript (Node.js)

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Setup and Run Instructions

Prerequisites

• Node.js installed on your machine.
• MongoDB Atlas account for the database.

Steps to Run the Project

1. Clone the repository:

   git clone <repository-url>
   cd library-management

Install dependencies:

Copy code npm install Configure environment variables: Create a .env file in the root directory and add the following:

plaintext Copy code MONGO_URI=<your_mongodb_connection_string> JWT_SECRET=<your_jwt_secret> PORT=5000 Start the application:

Copy code npm start Test the endpoints using Postman or any API client.

All the screenshot in screenshot folder