Library ESB Project

Overview

This project demonstrates the use of an Enterprise Service Bus (ESB) to integrate multiple web services in a library system. The project includes four web services and an ESB flow using MuleSoft.

Project Structure

• addbook-service/: A SOAP web service built with Node.js to add a book for a student.
• check-availability-service/: A REST web service built with Spring Boot to check the availability of a book.
• library-service/: A REST web service built with Python (Flask) to find other libraries that have a specific book.
• student-list-service/: A REST web service built with Node.js to show the list of books borrowed by a student.
• esb-mule-project/: The MuleSoft project that integrates the above services.
• database/: SQL scripts to set up the required databases.

Web Services

Add Book Service

• Path: addbook-service/
• Technology: Node.js, SOAP
• Description: Adds a book for a student.
• Endpoint: http://localhost:3001/UserContentService

Check Availability Service

• Path: check-availability-service/
• Technology: Spring Boot, REST
• Description: Checks if a book is available.
• Endpoint: http://localhost:8080/service/livres/{libelle}

Library Service

• Path: library-service/
• Technology: Python (Flask), REST
• Description: Finds other libraries that have a specific book.
• Endpoint: http://localhost:3000/check_book/{title}

Student List Service

• Path: student-list-service/
• Technology: Node.js, REST
• Description: Shows the list of books borrowed by a student.
• Endpoint: http://localhost:5000/books/{cin}

ESB Mule Project

• Path: esb-mule-project/
• Technology: MuleSoft
• Description: Integrates the above web services to create a workflow for the library system.

Database

• Path: database/
• Description: Contains SQL scripts to set up the required databases.

Setup Instructions

Prerequisites

• Node.js
• Java (for Spring Boot)
• Python
• MuleSoft Anypoint Studio
• MySQL

Steps

1. Clone the repository:

   git clone https://github.com/your-username/library-esb-project.git
   cd library-esb-project

2. Set up the databases:

   • Create the databases using the SQL scripts in the database/ directory.

3. Run the Add Book Service:

   cd addbook-service
   npm install
   node addbook.js

4. Run the Check Availability Service:

   cd check-availability-service
   mvn spring-boot:run

5. Run the Library Service:

   cd library-service
   python library.py

6. Run the Student List Service:

   cd student-list-service
   npm install
   node student.js

7. Run the MuleSoft ESB Project:

   • Open esb-mule-project in MuleSoft Anypoint Studio.
   • Deploy the project.

Workflow

1. Requesting a Book:

   • A student requests a specific book from the library.

2. Checking Book Availability:

   • The library checks the book's status:
     • If the book is available, the library processes the loan and provides the student with the list of books they have already borrowed.
     • If the book is not available, the library informs the student of the library or location where the book is currently available.

Screenshots

MuleSoft Flow

Objective

The objective of this project is to understand the ESB bus and the communication between web services in a service-oriented architecture, focusing on SOAP and REST web services.

License

This project is licensed under the MIT License.