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Contents
require 'valvat/checksum'
class Valvat
module Checksum
class ES < Base
NATURAL_PERSON_CHARS = %w(T R W A G M Y F P D X B N J Z S Q V H L C K E)
NATURAL_PERSON_EXP = /\A([\d]{8}[ABCDEFGHJKLMNPQRSTVWXYZ]|[KLMX][\d]{7}[ABCDEFGHJKLMNPQRSTVWXYZ])\Z/
LEGAL_FOREIGN_PERSON_CHARS = [false] + %w(A B C D E F G H I J)
LEGAL_FOREIGN_PERSON_EXP = /\A[NPQRSW][\d]{7}[ABCDEFGHIJ]\Z/
def check_digit
natural_person? ? check_digit_natural_person : check_digit_legal_person
end
def check_digit_natural_person
NATURAL_PERSON_CHARS[figures_str.to_i.modulo(23)]
end
def check_digit_legal_person
chk = 10 - sum_of_figures_for_at_es_it_se(true).modulo(10)
legal_foreign_person? ?
LEGAL_FOREIGN_PERSON_CHARS[chk] :
(chk == 10 ? 0 : chk)
end
def given_check_digit
person? ? str_wo_country[-1] : super
end
def str_wo_country
str = super
str[0] =~ /\d/ ? str : str[1..-1]
end
def person?
natural_person? || legal_foreign_person?
end
def natural_person?
!!(vat.to_s_wo_country =~ NATURAL_PERSON_EXP)
end
def legal_foreign_person?
!!(vat.to_s_wo_country =~ LEGAL_FOREIGN_PERSON_EXP)
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems