Sha256: 371dd0dd7fcb07e5c2bec89448af8345a967d6a61fd2a7408d6a7b7ca2dddaef
Contents?: true
Size: 667 Bytes
Versions: 11
Compression:
Stored size: 667 Bytes
Contents
class ImeiValidator < ActiveModel::EachValidator
def validate_each(record, attribute, value)
unless valid?(value.to_s)
record.errors[attribute] << (options[:message] || I18n.t('flash_validators.errors.messages.imei'))
end
end
private
def valid_format?(value)
value =~ /\A[\d\.\:\-\s]+\z/i
end
def valid_luhn?(value)
numbers = value.gsub(/\D/, '').reverse
sum, i = 0, 0
numbers.each_char do |ch|
n = ch.to_i
n *= 2 if i.odd?
n = 1 + (n - 10) if n >= 10
sum += n
i += 1
end
(sum % 10).zero?
end
def valid?(value)
valid_format?(value) &&
valid_luhn?(value)
end
end
Version data entries
11 entries across 11 versions & 1 rubygems