jgaskins/perpetuity

module Perpetuity
  module DataInjectable
    def inject_attribute object, attribute, value
      object.instance_variable_set("@#{attribute}", value)
    end

    def inject_data object, data
      data.each do |attribute,value|
        inject_attribute object, attribute, value
      end
      give_id_to object if object.instance_variables.include?(:@id)
    end

    def give_id_to object, *args
      unless args.empty?
        inject_attribute object, :id, args.first
      end
    end
  end
end