Class: Unidom::ArticleNumber::Ean13Barcode

Inherits:
ActiveRecord::Base
  • Object
show all
Includes:
Common::ModelExtension
Defined in:
app/models/unidom/article_number/ean_13_barcode.rb

Overview

EAN-13 Barcode 是13位条形码。en.wikipedia.org/wiki/EAN-13 en.wikipedia.org/wiki/International_Article_Number_(EAN)

Constant Summary collapse

RESTRICTED_DISTRIBUTION_GS1_PREFIXES = 
(('020'..'029').to_a + ('040'..'049').to_a + ('200'..'299').to_a).freeze

Instance Method Summary collapse

Instance Method Details

#code=(code) ⇒ Object 



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# File 'app/models/unidom/article_number/ean_13_barcode.rb', line 22

def code=(code)
  code = code.to_s
  write_attribute :code, code
  if code.present?
    write_attribute :gs1_prefix,     code[0..2]
    write_attribute :company_number, code[3..6]
    write_attribute :item_reference, code[7..11]
    write_attribute :check_digit,    code[12]
  end
end

#restricted_distribution? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/unidom/article_number/ean_13_barcode.rb', line 33

def restricted_distribution?
  self.class::RESTRICTED_DISTRIBUTION_GS1_PREFIXES.include? gs1_prefix
end