StoresIpAddress for ActiveRecord

stores_ip_address.rb

module StoresIpAddress

  extend ActiveSupport::Concern

  included do

    def self.stores_ip_address(attr)

      define_method(attr) do
        require "ipaddr"
        IPAddr.new(read_attribute(attr), Socket::AF_INET).to_s
      end

      define_method(:"#{attr}=") do |ip|
        require "ipaddr"
        write_attribute :remote_ip, IPAddr.new(ip).to_i
      end

    end

  end

end