module Faker::IdentificationESCO

def blood_type #RH
  sign = %w(+ -).shuffle.shift
  BLOOD_TYPE.rand.concat sign
end

def driver_license_category
  category = LICENSE_CATEGORY.rand
  # the categories are A1 A2 B1 B2 B3 C1 C2 C3
  num = category == 'A' ? 1 + rand(2) : 1 + rand(3)
  category.concat(num.to_s)
end

def drivers_license
  how_many_numbers = 6 + rand(8)
  Faker.numerify("#" * how_many_numbers)
end

def expedition_date
  today = Date.today
  today - rand(today.year)
end