Library Management System

A simple project on Library Management System, developed using the MERN stack, is one of the most practical and student-friendly projects for learning full-stack development. This system is built to manage library records digitally, including books, authors, and borrowers, through a structured backend API and a clean React-based frontend interface. After fully exploring the project files, it becomes clear that the system focuses on CRUD operations and proper data management, without any extra modules like authentication, payments, or user-role handling.

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This makes the project ideal for students who want to understand the core logic of real-world MERN applications without dealing with complex modules. The project is still in development, but the existing functionalities work well and showcase how a complete MERN project is structured and connected.

Overview

Introduction

The Library Management System is designed to provide a digital way to store and manage library data. The goal is to replace manual record-keeping with a simple web-based interface that works efficiently. Students working on similar academic projects will benefit from the clean folder structure, understandable code flow, and easy-to-run environment.

The backend is built using Node.js + Express, and it contains routes for handling books, authors, borrowers, and count summaries. The frontend is built with React, where data is fetched from the backend through APIs configured using environment variables.

Since there is no login system or user module, the project is simple, clean, and perfect for beginners and intermediate-level students to understand how full-stack apps behave.

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Available Features

After checking every folder (backend + frontend), here are the only actual features present in the project:

Book Management (View, Add, Update, Delete)

The backend includes REST APIs that allow book-related operations.
The frontend has pages to display books and provide forms to update them.

Author Management (View, Add, Update, Delete)

The system includes an entire set of routes and components to manage authors.
Students can learn how relationships between books and authors work.

Borrower Management (View, Add, Update, Delete)

Borrowers can be managed through the system. This includes viewing all borrowers and updating their details.

Books Issued to Borrowers

A feature to check which books are currently issued is present in the backend through dedicated routes.

Borrowers Without Books

The system includes a page and API to show borrowers who currently do not have any issued book.

Count Summary (Dashboard Data)

The backend exposes a count route that returns numeric summaries such as total books, borrowers, authors, issued books, and available books.
These counts help understand dashboard-like data representation.

Search Components

The frontend includes reusable search components for filtering books, authors, or borrowers.

Fully Functional API Integration

The frontend uses environment variables to call backend APIs.
Students can learn correct usage of .env, API URIs, and GET requests.

Installation Guide for VS Code

This project runs smoothly in Visual Studio Code, and the following step-by-step setup will help new students run the system with ease.

Step 1: Open VS Code

Launch VS Code after installation.

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Step 2: Install Recommended Extensions

To make development easier, install:

• ES7+ React Snippets
• Prettier
• Node.js Extension Pack
• MongoDB for VS Code

Step 3: Install Node.js

Ensure Node.js is installed on your system so that terminal commands work.

Step 4: Open the Project

File → Open Folder → Select Library-Management-System

Step 5: Set Up the Backend

Open the VS Code terminal:

cd backend
npm install

Rename .env.example to .env and add:

PORT=choose_any_port
MONGODB_URI=your_mongodb_connection_string

Start the backend:

npm start

Note:
npm start uses nodemon, as seen in the backend package.json.

Step 6: Set Up the Frontend

Open a new terminal:

cd frontend
npm install

Rename .env.example to .env and add:

REACT_APP_API_URI=http://localhost:<your_port>/api

Start the client:

npm start

Step 7: Open in Browser

Visit:

http://localhost:3000/

Now both backend and frontend will communicate properly.

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Usage – How the System Works

Since there is no user authentication system and no role-based access, the application works as a single-interface management system. Anyone running the project can perform the available operations.

Viewing Data

Users can view:

• All books
• All authors
• All borrowers
• Borrowers with a book
• Borrowers without a book

This helps students understand data fetching using REST APIs in React.

Adding New Records

The project includes forms to add:

• New books
• New authors
• New borrowers

This teaches students how POST requests are handled in Express.

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Updating Existing Records

Each module (books, authors, borrowers) has its own update page.
Students can learn how to manage dynamic routes and fetch single records for editing.

Deleting Records

Delete operations help students understand backend DELETE routes and frontend confirmation logic.

Dashboard Counts

The count summary provides:

• Total Books
• Total Authors
• Total Borrowers
• Total Issued Books
• Available Books

This is helpful for learning how dashboards calculate and render data.

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