Introduction

this Section’s purpose is to take you through the process of building a book store management app.

the example is available on wizzdi cloud public marketplace

 

App Overview

App Overview
App Overview

Domain Model

in this part we will create the domain model to describe the normal data that is handled in a typical book store: Book,Author,BookLend,Genre,Subscription,Person

the Domain Model Editor is a powerful tool that allows creating connection between entities ,setting indexes , creating inheritance relationship and much more.

for a more extensive view of the Domain Model Editor check its documentation.

The Person Entity

The Person Entity will be used as a Mapped Super Class for the Customer and the Author Entities , a Mapped Super Class is kind of a Mold for Other Entities , this allows us to have the name ,id , birthDate of Person in the Author and Customer Entities.

The Author Entity

The Author Entity defines an author , it is connected with the book entity in a many-to-one relationship since Author has Many Books and in our example Book may have only single author.

if we did wanted to support multiple authors for a book we would need an intermediate entity called BookToAuthor which will define a many-to-many relationship between book and author

The Genre Enum

the Genre Enum is a list of predefined values that will represent the possible Genres we support in our Book Store. we may add more to the list . for more flexibility we should have defined this as an Entity.

The BookLend Entity

The BookLend Entity will be used to represent the fact that a Book was taken by a Customer , this will have the date it was taken as well as the date it should be returned and the date of actual return.

Exposed APIs

In this section we can see the automatically CRUD (create, read, update and Delete) APIs.

more options available here such as adding a new custom endpoint , defining if the project is a contract-first of domain-first and much more.

check the Exposed API Documentation for an extensive view of it.

 

 

Review

Review The Code

now the code is available , this example code can be found here.

Review The App’s API Docs

the swagger docs for the app is available here.

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Updated on April 18, 2024

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