commentable.rb

module Commentable
  extend ActiveSupport::Concern

  included do
    include TheComments::Commentable

    # Denormalization methods. Please, read about advanced using
    def commentable_title
      title.blank? ? "Undefined title" : title
    end

    def commentable_url
      ['', self.class.to_s.tableize, id].join('/')
    end

    def commentable_state
      state
    end unless self.new.kind_of? Topic
  end
end