📚 Library Management System

A modern desktop Library Management System built with C++ and Qt Widgets, featuring authentication, book management, issue/return operations, persistent storage, and an intuitive graphical interface.

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✨ Features

🔐 Authentication

• User Login
• User Signup
• Secure credential validation
• Persistent user storage (users.txt)

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📚 Book Management

• ➕ Add Books
• ❌ Remove Books
• 🔍 Search Books
• 📋 Display All Books

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📖 Library Operations

• Issue Books
• Return Books
• Automatic Fine Calculation
• Book Availability Tracking

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💾 File Handling

• Save books to file
• Load books automatically on startup
• Persistent storage using text files
• User data persistence

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🖥️ Modern GUI

• Built with Qt Widgets
• Responsive interface
• Dashboard layout
• Styled buttons
• Interactive table view
• Tooltips
• User-friendly navigation

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⚙️ Programming Concepts Used

• Object-Oriented Programming (OOP)
• Classes & Objects
• Constructors
• Encapsulation
• Exception Handling
• File Handling
• STL (Vector)
• Searching Algorithms
• Sorting Algorithms
• Event-Driven Programming

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📸 Screenshots

🔑 Login Screen

screenshots/login.png

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📝 Signup Screen

screenshots/signup.png

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📚 Dashboard

screenshots/dashboard.png

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📖 Library Table

screenshots/library.png

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📝 Admin's View

screenshots/adminview.png

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🛠️ Tech Stack

Technology	Usage
C++	Core Programming
Qt 6	GUI Framework
Qt Widgets	User Interface
CMake	Build System
STL	Data Structures
File Handling	Persistent Storage

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📂 Project Structure

LibraryManagementGUI
│
├── Book.cpp
├── Book.h
│
├── Library.cpp
├── Library.h
│
├── MainWindow.cpp
├── MainWindow.h
├── MainWindow.ui
│
├── Login.cpp
├── Login.h
├── Login.ui
│
├── Signup.cpp
├── Signup.h
├── Signup.ui
│
├── UserManager.cpp
├── UserManager.h
│
├── books.txt
├── users.txt
│
└── CMakeLists.txt

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🚀 Getting Started

Prerequisites

• Qt Creator
• Qt 6.x
• MinGW Compiler
• CMake

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Installation

Clone the repository

git clone https://github.com/mannat69/Library-Management-System.git

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Open in Qt Creator

• Open Qt Creator
• Select Open Project
• Choose CMakeLists.txt
• Configure the project
• Build
• Run

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💻 How to Use

1. Create a new account using Signup
2. Login using your credentials
3. Add books to the library
4. Search books
5. Issue books
6. Return books
7. Save your changes
8. Restart the application to verify data persistence

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📄 Data Storage

The application stores data locally using text files.

books.txt

Stores all book records.

users.txt

Stores registered user accounts.

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📈 Future Improvements

• 🌙 Dark / Light Theme
• 🔃 Sort Books
• 📷 Book Cover Images
• 📂 Categories
• 📤 Export to CSV
• 📄 PDF Reports
• 🔔 Due Date Notifications
• 🗄️ SQLite Database Integration
• 📱 QR / Barcode Support

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🎯 Learning Outcomes

This project demonstrates practical implementation of:

• GUI Development with Qt
• Object-Oriented Programming
• File Handling
• Exception Handling
• Event-Driven Programming
• Data Structures
• Searching & Sorting
• Desktop Application Development

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🤝 Contributing

Contributions, suggestions, and improvements are always welcome.

Feel free to fork the repository and submit a pull request.

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👨‍💻 Author

Mannat Choudhry

🎓 B.Tech Computer Science Engineering

GitHub: https://github.com/mannat69

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⭐ Support

If you found this project useful, consider giving it a ⭐ Star on GitHub!

It helps others discover the project and motivates future improvements.

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Made with ❤️ using C++ and Qt