Library Management System

A comprehensive Java Spring Boot application that provides a REST API and a web interface for managing a library's book collection.

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✨ Core Features

• Complete Book Management: Full CRUD (Create, Read, Update, Delete) functionality for books.
• Secure Access: Robust user registration and login system.
• Dual Interface: Offers both a RESTful API for programmatic access and a user-friendly web interface.
• Enhanced Security: Protected by Spring Security, featuring password encryption with BCrypt and CSRF protection.
• Standardized Error Handling: Centralized and consistent JSON-formatted error responses.

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📚 Technology Stack

• Java
• Spring Boot
• Spring Data JPA: For data persistence.
• Spring Security: For authentication and authorization.
• Thymeleaf: As the server-side Java template engine for the web interface.
• Lombok: To reduce boilerplate code.
• Maven / Gradle: For project build and dependency management.

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🚀 Getting Started

Prerequisites

• Java Development Kit (JDK)
• Maven or Gradle
• PostgreSQL database

1. Clone the Repository

git clone https://github.com/ridvansevik/spring-library-system.git
cd spring-library-system

2. Database Setup

Create the Database

Create a new PostgreSQL database named library_db:

createdb library_db

Configure the Connection

Edit src/main/resources/application.properties:

# Project name
spring.application.name=library-app

# PostgreSQL connection
spring.datasource.url=jdbc:postgresql://localhost:5432/library_db
spring.datasource.username=<your_username>
spring.datasource.password=<your_password>

# JPA and Hibernate settings
spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.PostgreSQLDialect
spring.jpa.hibernate.ddl-auto=update

3. Build the Project

With Maven:

mvn clean install

With Gradle:

gradle clean build

4. Run the Application

java -jar target/library-app-0.0.1-SNAPSHOT.jar

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🏠 Accessing the Application

• Web Interface: http://localhost:8080/web/books
• API Root: http://localhost:8080/api/books

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📄 Default Administrator Account

• Username: admin
• Password: VerySecretPassword

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🔍 API Endpoints

Method	Endpoint	Description	Authentication
POST	/api/auth/register	Registers a new user.	Not Required
GET	/api/books	Retrieves a list of all books.	Not Required
GET	/api/books/{id}	Fetches book details by ID.	Not Required
POST	/api/books	Adds a new book.	Required
PUT	/api/books/{id}	Updates existing book info.	Required
DELETE	/api/books/{id}	Removes a book.	Required

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📃 License

This project is licensed under the MIT License.