Sha256: 5ccb81d8cdfa946685a6480f9dbdcebee8a76ec23a975500213ab10741bc17e2
Contents?: true
Size: 787 Bytes
Versions: 11
Compression:
Stored size: 787 Bytes
Contents
class ImeiValidator < ActiveModel::EachValidator
def validate_each(record, attribute, value)
return if valid?(value.to_s)
record.errors[attribute] <<
(options[:message] || I18n.t('active_validation.errors.messages.imei'))
end
private
def valid_format?(value)
value =~ /\A[\d\.\:\-\s]+\z/i
end
def valid_length?(value)
value.present?
end
def valid_luhn?(value)
number = value.gsub(/\D/, '').reverse
total = 0
number.chars.each_with_index do |chr, idx|
result = chr.to_i
result *= 2 if idx.odd?
result = (1 + (result - 10)) if result >= 10
total += result
end
(total % 10).zero?
end
def valid?(value)
valid_length?(value) &&
valid_format?(value) &&
valid_luhn?(value)
end
end
Version data entries
11 entries across 11 versions & 1 rubygems