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Size: 1.29 KB
Versions: 16
Compression:
Stored size: 1.29 KB
Contents
# frozen_string_literal: true
class Valvat
module Checksum
class BG < Base
def check_digit
natural_person? ? check_digit_natural_person : check_digit_legal_person
end
def check_digit_natural_person
local_person_chk = check_digit_local_natural_person
return local_person_chk if given_check_digit == local_person_chk
check_digit_foreign_natural_person
end
def check_digit_local_natural_person
weight = [2, 4, 8, 5, 10, 9, 7, 3, 6]
chk = figures.map do |fig|
fig * weight.shift
end.inject(:+).modulo(11)
return chk if chk < 10
0
end
def check_digit_foreign_natural_person
weight = [21, 19, 17, 13, 11, 9, 7, 3, 1]
figures.map do |fig|
fig * weight.shift
end.inject(:+).modulo(10)
end
def check_digit_legal_person
chk = build_prod % 11
if chk == 10
chk = build_prod(3) % 11
chk = 0 if chk == 10
end
chk
end
def build_prod(add = 1)
prod = 0
figures.each_with_index do |fig, index|
prod += (index + add) * fig.to_i
end
prod
end
def natural_person?
vat.to_s_wo_country.length == 10
end
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems