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Contents
# EAN-8 Barcode 是8位条形码。
# https://en.wikipedia.org/wiki/EAN-8
class Unidom::ArticleNumber::Ean8Barcode < ActiveRecord::Base
RESTRICTED_DISTRIBUTION_GS1_PREFIXES = (('020'..'029').to_a + ('040'..'049').to_a + ('200'..'299').to_a).freeze
self.table_name = 'unidom_ean_8_barcodes'
include Unidom::Common::Concerns::ModelExtension
include Unidom::ArticleNumber::Concerns::AsBarcode
validates :code, uniqueness: true, numericality: { only_integer: true }
validates :gs1_prefix, presence: true, length: { is: 3 }, numericality: { only_integer: true }
validates :item_reference, presence: true, length: { is: 4 }, numericality: { only_integer: true }
validates :check_digit, presence: true, length: { is: 1 }, numericality: { only_integer: true }
def code=(code)
code = code.to_s
write_attribute :code, code
if code.present?
write_attribute :gs1_prefix, code[0..2]
write_attribute :item_reference, code[3..6]
write_attribute :check_digit, code[7]
end
end
def restricted_distribution?
self.class::RESTRICTED_DISTRIBUTION_GS1_PREFIXES.include? gs1_prefix
end
end
Version data entries
6 entries across 6 versions & 1 rubygems