The Custom Controller Pattern

Details

• Content type (Online Workshop, Lesson, Course, Tutorial, or Lesson Plan): Lesson
• Content title: The Custom Controller Pattern
• Topic description: Introduce the custom Controller Pattern to implement custom REST routes and endpoints for more complex API endpoints.
• Audience (User, Developer, Designer, Contributor, etc.): Developer
• Experience Level (Beginner, Intermediate, Advanced, Any): Intermediate

Prerequisites

It is assumed that the learner has already completed the following lessons:

• Beginner WordPress developer
• Modules 1 - 8

Learning Objectives

• Explain why a developer might consider a custom controller class over using register_rest_route
• Understand the custom controller class examples in the documentation
• Discuss the benefits of using a custom controller class

Related Resources and Other Notes

• https://developer.wordpress.org/rest-api/extending-the-rest-api/adding-custom-endpoints/#the-controller-pattern
• https://developer.wordpress.org/rest-api/extending-the-rest-api/controller-classes/

Automation Code

//lesson

Start by reading the two linked WordPress REST API resources, especially the controller-pattern and controller-classes sections. Draft the lesson for intermediate developers using the stated prerequisites and learning objectives; it is done when it explains the motivation, examples, and benefits of custom controller classes.