# Adds a generic implementation for dealing with phone numbers
module HasPhoneNumbers
  module MacroMethods
    # Creates the following association:
    # * +phone_number+ - All phone numbers associated with the current record.
    def has_phone_numbers
      has_many :phone_numbers, :as => :phoneable
    end
  end
end

ActiveRecord::Base.class_eval do
  extend HasPhoneNumbers::MacroMethods
end