You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: item_presenter.rb
    path of file: ./repos/nin/lib/nin/presenters
    
    the code of the file until where you have to start completion: module Nin
  module Presenter
    class ItemPresenter < ::SimpleDelegator
      def call(options = {})
    
    
      def decorate_desc
        if self.archived?
          self.desc.yellow
        elsif self.completed?
          self.desc.white
        else
          self.desc
        end