class Faker::DrivingLicence

def gb_licence_year(dob, gender)
  decade = (dob.year / 10) % 10
  year = dob.year % 10
  month = gender == :female ? dob.month + 50 : dob.month
  # Rubocop's preferred formatting is pretty gory
  # rubocop:disable Style/FormatString
  "#{decade}#{'%02d' % month}#{'%02d' % dob.day}#{year}"
  # rubocop:enable Style/FormatString
end