Drupal 9 Module Development - Daniel Sipos Lubliniec

With its latest release, Drupal 9, the popular open source CMS platform has been updated with new functionalities for building complex Drupal apps with ease. This third edition of the Drupal Module Development guide covers these new Drupal features, helping you to stay on top of code deprecations and the changing architecture with every release.The book starts by introducing you to the Drupal 9 architecture and its subsystems before showing you how to create your first module with basic functionality. You’ll explore the Drupal logging and mailing systems, learn how to output data using the theme layer, and work with menus and links programmatically. Once you’ve understood the different kinds of data storage, this Drupal guide will demonstrate how to create custom entities and field types and leverage the Database API for lower-level database queries. You’ll also learn how to introduce JavaScript into your module, work with various file systems, and ensure that your code works on multilingual sites. Finally, you’ll work with Views, create automated tests for your functionality, and write secure code.By the end of the book, you’ll have learned how to develop custom modules that can provide solutions to complex business problems, and who knows, maybe you’ll even contribute to the Drupal community! Spis treści: 1. Developing for Drupal 9 2. Creating Your First Module 3. Logging and Mailing 4. Theming 5. Menus and Menu Links 6. Data Modeling and Storage 7. Your Own Custom Entity and Plugin Types 8. The Database API 9. Custom Fields 10. Access Control 11. Caching 12. JavaScript and the Ajax API 13. Internationalization and Languages 14. Batches, Queues, and Cron 15. Views 16. Working with Files and Images 17. Automated Testing 18. Drupal 9 Security