Sha256: a70d0cd0dfb70107499c8e3fca1e98db6075b1c35eb564d6cf7cb366e5151f10
Contents?: true
Size: 650 Bytes
Versions: 7
Compression:
Stored size: 650 Bytes
Contents
class IsbnValidator < ActiveModel::EachValidator
CHARACTERS ||= %w(0 1 2 3 4 5 6 7 8 9 0 x).freeze
def validate_each(record, attribute, value)
return if valid?(value.to_s)
record.errors[attribute] <<
(options[:message] || I18n.t('active_validation.errors.messages.isbn'))
end
private
def valid_format?(value)
return(false) if value.empty?
value = value.gsub(/-| /, '').downcase.chars
[10, 13].include?(value.size) && value.all? { |chr| CHARACTERS.include?(chr) }
end
def valid_length?(value)
value.present?
end
def valid?(value)
valid_length?(value) &&
valid_format?(value)
end
end
Version data entries
7 entries across 7 versions & 1 rubygems