Book Image

Drupal 8 Development Cookbook - Second Edition

By : Matt Glaman
Book Image

Drupal 8 Development Cookbook - Second Edition

By: Matt Glaman

Overview of this book

Began as a message board, Drupal today is open source software maintained and developed by a community of over 1,000,000 users and developers. Drupal is used by numerous local businesses to global corporations and diverse organizations all across the globe. With Drupal 8’s exciting features it brings, this book will be your go-to guide to experimenting with all of these features through helpful recipes. We’ll start by showing you how to customize and configure the Drupal environment as per your requirements, as well as how to install third-party libraries and then use them in the Drupal environment. Then we will move on to creating blocks and custom modules with the help of libraries. We will show you how to use the latest mobile-first feature of Drupal 8, which will help you make your apps responsive across all the major platforms. This book will also show you how to incorporate multilingual facilities in your sites, use web services and third-party plugins with your applications from inside Drupal 8, and test and deploy your apps.
Table of Contents (20 chapters)
Title Page
Credits
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface

Providing a custom storage handler


Storage handlers control the loading, saving, and deleting of an entity. The \Drupal\Core\Entity\ContentEntityType provides the base entity type definition for all content entity types. If it is not specified, then the default storage handler is \Drupal\Core\Entity\Sql\SqlContentEntityStorage. This class can be extended to implement alternative load methods or adjustments on saving.

In this recipe, we will implement a method that supports loading an entity by a specific property instead of having to write a specific loadByProperties method call.

Getting ready

You will need a custom module to place the code into to implement a configuration entity type. Create an src directory for your PSR-4 style classes. A custom content entity type needs to be implemented, such as the one in the Creating a content entity type recipe of this chapter.

How to do it...

  1. Create a MessageStorage class in the module's src directory. This class will extend the default \Drupal\Core...