decorator vs presenter

A decorator is more of a "let's add some functionality to this entity". A presenter is more of a "let's build a bridge between the model and view"

class BillingRecordDecorator < SimpleDelegator

Reference

• Ruby on Rails patterns - decorator vs presenter
• Exhibit vs Presenter
• Thoughts about Rails Presenters
• Using SimpleDelegator for your Decorators
• SimpleDelegator