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# Code 128 条形码是高密度条形码符号。
# https://en.wikipedia.org/wiki/Code_128
# Code 128 A 条形码 code set: ASCII characters 00 to 95 (0-9, A-Z and control codes), special characters, and FNC 1-4.
# Code 128 B 条形码 code set: ASCII characters 32 to 127 (0-9, A-Z, a-z), special characters, and FNC 1-4.
# Code 128 C 条形码 code set: 00-99 (encodes each two digits with one code) and FNC1.
module Unidom::ArticleNumber::Concerns::Code128Barcode
extend ActiveSupport::Concern
self.included do |includer|
validates :code, uniqueness: true
validates :code, numericality: { only_integer: true }, if: Proc.new { |barcode| 'C'==barcode.code_set_code }
has_many :markings, class_name: 'Unidom::ArticleNumber::Marking'
include Unidom::Common::Concerns::ModelExtension
#def weighted_modulo_103_checksum(codes)
# sum = 103
# codes.each_with_index do |char, index| sum += (char.unpack('C').first-32)*(index+1) end
# sum%103
#end
end
module ClassMethods
end
end
Version data entries
8 entries across 8 versions & 1 rubygems