Paul Jones has written up a post talking about service classes, payloads and responders and how they can help pull logic out of controllers and into more reusable chunks. It's inspired by comments and methods mentioned in another earlier post from Revath Kumar.

Revath Kumar has a good blog post up about extracting domain logic from controllers and putting that logic in a service class. After reading it, I commented that with a little extra work, it would be easy to modify the example to something closer to the Action-Domain-Responder pattern. In doing so, we would get a better separation of concerns (especially in presentation).

Paul applies some of the concepts that Revath outlined to the ADR pattern, suggesting that service classes should always return Payloads and the reduction of functionality in the controller overall. He includes an example of what the resulting code would look like, following along with the "orders" scenario outlined in Revath's post.