Class | Barby::Bookland |
In: |
lib/barby/barcode/bookland.rb
|
Parent: | EAN13 |
BOOKLAND_NUMBER_SYSTEM | = | '978' |
isbn | [RW] |
# File lib/barby/barcode/bookland.rb, line 15 15: def initialize(isbn) 16: self.isbn = isbn 17: raise ArgumentError, 'data not valid' unless valid? 18: end
# File lib/barby/barcode/bookland.rb, line 20 20: def data 21: BOOKLAND_NUMBER_SYSTEM+isbn_only 22: end
Removes any non-digit characters, number system and check digit from ISBN, so "978-82-92526-14-9" would result in "829252614"
# File lib/barby/barcode/bookland.rb, line 26 26: def isbn_only 27: s = isbn.gsub(/[^0-9]/, '') 28: if s.size > 10#Includes number system 29: s[3,9] 30: else#No number system, may include check digit 31: s[0,9] 32: end 33: end