Provides a convention for modelling user interactions as use case classes. A
use case class represents and is named after something a user does with your
Attributes are whitelisted and coerced into an expected type using Virtus. An attribute will either be the specified type or nil.
Take a look at the code itself for full details of the API provided.
A simple example
class SignUp include include :: include ActiveModel::Validations # Virtus attribute :email, String attribute :password, String # ActiveModel validations validates :email, :password, presence: true attr_reader :user def perform validate! create_user deliver_welcome_email end private def create_user @user = User.create(attributes) failure! unless @user.persisted? end def deliver_welcome_email # ... end end sign_up = SignUp.perform(username: 'john', password: 'j0hn') sign_up.success? # => true sign_up.user # => #<User id:...>