Mastering Play Framework for Scala

Chapter 2. Defining Actions

If you're reading this, you've either survived the first chapter or skipped it. Either way, I am assuming you know the structure of a simple Play application. A controller in Play generates Action values and, to do so, it uses several objects and methods internally. In this chapter, we will see what goes on behind the scenes and how we can leverage these actions when we build our application.

In this chapter, we will be covering the following topics:

• Defining Actions
• Request body parsers
• Action composition and troubleshooting

A dummy Artist model

In the following sections, we will give make reference to an artist model. It is a simple class with a companion object, defined as follows:

case class Artist(name: String, country: ...