# Initialize objects passed to presenter in a before filter?

def complete
  @presenter = CompletePresenter.new(@user_account, @address, @user_credentials)
  redirect_to thank_you_url if request.post? && @presenter.save
end

class CompletePresenter < Presenter

  attr_accessor :user_account, :address, :user_credentials

  def_delegators :user_account,     :name, :name=
  def_delegators :address,          :line_1, :line_2, :city, :state, :zip_code
                                    :line_1=, :line_2=, :city=, :state=, :zip_code=
  def_delegators :user_credential,  :username, :password, :username=, :password=

  def initialize(*objects)
    objects.each do |obj|
      super(obj.attributes)
      instance_variable_set "@#{obj.class.name.underscore}_attrs", obj
    end
  end

  def save
    user_account.save && address.save && user_credential.save
  end

end