Application services can be loosely compared with the business logic layer of the yesteryear with one key difference, application services don’t actually contain any business logic neither they enforce any business logic.

Its often assumed that legacy code should not be refactored because no one knows what worms are hidden in that can and what kind of monstrous bugs will be unleashed upon the users if that code is refactored. In some cases, it does seem to hold however, done in smaller chunks to the code that […]