Sha256: ab86d1651b2e89a396b6d56781966523eb66d2ae6efb73329ba733ed991efef4

Contents?: true

Size: 905 Bytes

Versions: 5

Compression:

Stored size: 905 Bytes

Contents

class Valvat
  module Checksum
    class IE < Base
      def check_digit
        total = sum_figures_by do |fig, i|
          fig*(i+2)
        end
        if str_wo_country.size == 9
          total += (CHARS.index(str_wo_country[8]) * 9)
        end
        total.modulo(23)
      end

      CHARS = "WABCDEFGHIJKLMNOPQRSTUV".split("")

      def given_check_digit
        if str_wo_country.size == 9
          CHARS.index(str_wo_country[7])
        else
          CHARS.index(given_check_digit_str)
        end
      end

      def str_wo_country
        str = super
        # Convert old irish vat format to new one
        if str =~ /\A[0-9][A-Z][0-9]{5}[A-Z]\Z/
          "0#{str[2..6]}#{str[0]}#{str[7]}"
        else
          str
        end
      end

      def figures_str
        if super.size == 8
          super[0...-1]
        else
          super
        end
      end

    end
  end
end

Version data entries

5 entries across 5 versions & 1 rubygems

Version Path
valvat-0.9.1 lib/valvat/checksum/ie.rb
valvat-0.9.0 lib/valvat/checksum/ie.rb
valvat-0.8.2 lib/valvat/checksum/ie.rb
valvat-0.8.1 lib/valvat/checksum/ie.rb
valvat-0.8.0 lib/valvat/checksum/ie.rb