This lesson has been archived.
We can't allow users to create new tasks, without first filtering the form data through some form of validation! Get ready, because we'll tackle a number of topics in this lesson, including the single responsibility principle, service classes, custom exceptions, and more.
If this episode feels a bit overwhelming, that's okay. It's just a teaser. In the next lesson, we'll review a different approach: validation with model events.
Published on Nov 11th, 2015.