Presenters & Decorators

presenter_vs_decorator.rb

class UserProfilePresenter
  def initialize(user)
    @user = user
  end
  
  def full_name
    "#{@user.first_name} #{@user.last_name}"
  end
  
  def short_summary
    @user.summary.truncate(50)
  end
  
  def creation_date
    "Created at #{@user.created_at.strftime('%Y/%m/%d')}"
  end
end

class UserProfileDecorator < SimpleDelegator
  def model
  __getobj__
  end
  def name
  "#{model.first_name} #{model.last_name}"
  end
end