class Geolocator

  DB = Rails.root.join('db/GeoIP.dat')

  def initialize
    @geo_ip = GeoIP.new(DB)
  end

  def locate(ip)
    _, _, _, country_code, _, _, _ = @geo_ip.country(ip)
    (country_code == "--") ? nil : country_code
  end

  def self.locate(ip)
    self.new.locate(ip)
  end

end