Book Image

Drupal 10 Development Cookbook - Third Edition

By : Matt Glaman, Kevin Quillen
Book Image

Drupal 10 Development Cookbook - Third Edition

By: Matt Glaman, Kevin Quillen

Overview of this book

This new and improved third edition cookbook is packed with the latest Drupal 10 features such as a new, flexible default frontend theme - Olivero, and improved administrative experience with a new theme - Claro. This comprehensive recipe book provides updated content on the WYSIWYG (What You See Is What You Get) editing experience, improved core code performance, and code cleanup. Drupal 10 Development Cookbook begins by helping you create and manage a Drupal site. Next, you’ll get acquainted with configuring the content structure and editing content. You’ll also get to grips with all new updates of this edition, such as creating custom pages, accessing and working with entities, running and writing tests with Drupal, migrating external data into Drupal, and turning Drupal into an API platform. As you advance, you’ll learn how to customize Drupal’s features with out-of-the-box modules, contribute extensions, and write custom code to extend Drupal. By the end of this book, you’ll be able to create and manage Drupal sites, customize them to your requirements, and build custom code to deliver your projects.
Table of Contents (17 chapters)

Using custom classes for entity bundles

Each entity is instantiated with its entity type class. A Node entity will be an instance of \Drupal\node\Entity\Node and a Taxonomy Term entity will be an instance of \Drupal\taxonomy\Entity\Term regardless of the entity’s bundle. Drupal allows altering entity information to provide alternative classes when an entity of a specific bundle is instantiated. Entity bundles are often used for different specific business logic. This feature allows the creation of classes with specific business logic associated with fields on the bundle.

In this recipe, we will create an entity bundle class to be used when there is a Recipe node.

Getting started

In this recipe, we will be using the Recipe content type provided by the Umami demo installation.

How to do it…

  1. First, we need to create the src/Entity directory in the module’s directory. This will translate to the \Drupal\mymodule\Entity namespace, which is where we...