Overview

This project represents a robust implementation of Domain Driven Design principles tailored for a public library system using TypeScript and Node.js. By leveraging methodologies like Event Storming and Behavior-Driven Development, it addresses real-world business requirements, offering a clear structure for managing book holds and patron interactions. As development is ongoing, the project continually evolves, refining its features and solutions based on user feedback and testing.

The library system is designed to provide an efficient way for patrons to manage their book holds, checkouts, and interactions with library resources. It emphasizes the complexities of book availability, patron classifications, and holds management, providing a foundational architecture that supports scalability and adaptability in a library environment.

Features

Domain Driven Design: Utilizes best practices to align the software design with business goals, ensuring a robust architecture.
Patron Classification: Differentiates between regular and researcher patrons, each with tailored capabilities for handling book holds.
Flexible Hold Management: Offers both open-ended and closed-ended holds with specific rules for expiration and the ability to handle different types of books.
Daily Sheet Integration: Implements a daily monitoring system for expiring holds and overdue checkouts, enhancing management efficiency.
Unique Book Instances: Allows multiple instances of a book under the same ISBN, accommodating both circulating and restricted status.
Interactive Patron Profile: Provides an easy-to-use interface for patrons to manage current holds and checkouts, improving the user experience.
Event Storming Sessions: Engages stakeholders in the design process, leading to better discoveries and informed design choices.
Continuously Evolving System: The project is under active development, with ongoing improvements and updates based on patron and administrator feedback.

Ddd By Examples

Library Nestjs