class PolishValidators::RegonValidator
Public Class Methods
new(regon)
click to toggle source
# File lib/polish_validators/regon_validator.rb, line 3 def initialize(regon) @regon = regon.to_s end
Public Instance Methods
valid?()
click to toggle source
# File lib/polish_validators/regon_validator.rb, line 7 def valid? return unless @regon =~ /\A\d{9,14}\Z/ weights8 = [8, 9, 2, 3, 4, 5, 6, 7] weights14 = [2, 4, 8, 5, 0, 9, 7, 3, 6, 1, 2, 4, 8] regon = @regon.split(//).collect(&:to_i) checksum = (regon.length == 9 ? weights8 : weights14).reduce(0) { |a, e| a + regon.shift * e } checksum % 11 == regon.shift end