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Drupal 10 Module Development

Drupal 10 Module Development

By : Sipos
4.7 (10)
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Drupal 10 Module Development

Drupal 10 Module Development

4.7 (10)
By: Sipos

Overview of this book

Embark on a journey of Drupal module development with the latest edition of this must-have guide written by Daniel Sipos – a Drupal community member! This fourth edition is meticulously revised to cover the latest Drupal 10 enhancements that will help you build custom Drupal modules with an understanding of code deprecations, changing architecture, data modeling, multilingual ecosystem, and so on. You’ll begin with understanding the core components of Drupal 10 architecture, discovering its subsystems and unlocking the secrets of creating your first Drupal module. Further, you'll delve into Drupal logging and mailing systems, creating theme hooks, and rendering a layout. As you progress, you'll work with different types of data storage, custom entities, field types, and work with Database APIs for lower-level database queries. You'll learn to reap the power of JavaScript and ensure that your code works seamlessly on multilingual sites. You'll also learn to create custom views, automate tests for your functionalities, and write secure code for your Drupal apps. By the end of this book, you'll have gained confidence in developing complex modules that can solve even the most complex business problems and might even become a valuable contributor to the Drupal community!
Table of Contents (21 chapters)
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3
Chapter 3: Logging and Mailing

Custom Views field

Now that we have seen how data is exposed to Views, we can start understanding the NodeViewsData handler I mentioned earlier (even if not quite everything) a bit better. But this also provides a good segue back to our Product entity type’s views_data handler, where we can now see what the responsibility of getViewsData() is. It needs to return the definition for all of the tables and fields, as well as what they can do. Luckily for us, the base class already provides everything we need to turn our product data into Views fields, filters, sorts, arguments, and potentially relationships, all out of the box.

But let’s say we want to add some more Views fields that make sense to us in the context of our product-related functionality. For example, each product has a source field that is populated by the Importer entity from its own source field. This is just to keep track of where they come from. So, we may want to create a Views field that simply renders...

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