📚 E-Library Management System (Spring Boot + Spring Security + JPA + Thymeleaf)
A secure and fully functional E-Library Web Application built using Spring Boot, designed for users to browse, purchase, read, and manage books online. This project demonstrates robust backend development, clean architecture, secure authentication, and a dynamic UI powered by Thymeleaf.
🚀 Features 🔐 1. Secure Authentication & Authorization
Login & Signup with Spring Security
BCrypt password hashing
Role-based access control (USER / ADMIN ready)
Session-based authentication
📚 2. Browse & Purchase Books
Users can view all available books in the Shop
Buy books with a single click (/buy/{id})
Books are mapped to users using @ManyToMany relationship
📖 3. Read Purchased Books
Users can read the full content of purchased books
Rendering content dynamically using Thymeleaf
📘 4. Manage My Books
View all purchased books in My Books
Remove any purchased book (/myBooks/remove/{id})
Sorted and dynamically displayed tables
🎨 5. Dynamic UI with Thymeleaf
Clean, responsive UI built with HTML + CSS + Thymeleaf
Dynamic server-side rendering with Model attributes
Unified theme across Dashboard, Shop, and MyBooks
🏗️ 6. Scalable MVC Architecture
Organized into:
Controller Layer
Service Layer
Repository Layer
Entity Layer
Ensures clean code, easy maintenance, and future extensibility.
🛠️ Tech Stack Backend
Java 17/21
Spring Boot
Spring Security
Spring MVC
Spring Data JPA
Hibernate
Frontend
Thymeleaf
HTML5
CSS3
Database
MySQL
JPA repositories for database operations
Utilities
Lombok (to reduce boilerplate code)
Embedded Tomcat (default Spring Boot server)
🗄️ Database Schema Overview User Entity
id
name
password (BCrypt encrypted)
purchasedBooks → @ManyToMany List
Book Entity
id
bookName
content
price
🔧 Key Functional Endpoints User Actions Endpoint Description /login User login /signup User registration /shop Browse all books /buy/{id} Purchase a book /myBooks Show purchased books /myBooks/read/{id} Read purchased book /myBooks/remove/{id} Remove book from purchases /logout Logout
💡 What This Project Demonstrates
Secure authentication using Spring Security
Expertise in backend development
Clean MVC architecture
Handling real-world features like purchase, remove, and read functionality
Building relational models with JPA/Hibernate
Dynamic UI integration using Thymeleaf
Clean coding practices and maintainable structure
📌 Future Enhancements
Admin Dashboard (Add/Edit/Delete Books)
Book categories & search
Book cover images
Reviews & ratings
Cart system before purchase
Pagination for large book lists