example decorator with padrino

decorator.rb

module Decorator
  include Padrino::Helpers::OutputHelpers
  include Padrino::Helpers::TagHelpers
  include Padrino::Helpers::FormatHelpers
  include Padrino::Helpers::AssetTagHelpers

  def self.included(base)
    base.class_eval { attr_accessor :model }
    base.extend ClassMethods
  end

  def initialize(model)
    @model = model
  end

  module ClassMethods
    def method_missing(meth, *args)
      @model.class.respond_to?(meth) ? @model.class.send(meth, *args) : super
    end

    def respond_to?(meth)
      @model.class.respond_to?(meth) || super
    end
  end
  
end