Contents

# frozen_string_literal: true

class UuidValidator < ActiveModel::EachValidator

  def validate_each(record, attribute, value)
    return if valid?(value.to_s, options)
    record.errors[attribute] <<
      (options[:message] || I18n.t('active_validation.errors.messages.uuid'))
  end

  private

  def valid_format?(value, options)
    value =~ case options[:version]
             when 3
               /^[0-9A-F]{8}-[0-9A-F]{4}-3[0-9A-F]{3}-[0-9A-F]{4}-[0-9A-F]{12}$/i
             when 4
               /^[0-9A-F]{8}-[0-9A-F]{4}-4[0-9A-F]{3}-[89AB][0-9A-F]{3}-[0-9A-F]{12}$/i
             when 5
               /^[0-9A-F]{8}-[0-9A-F]{4}-5[0-9A-F]{3}-[89AB][0-9A-F]{3}-[0-9A-F]{12}$/i
             else
               /^[0-9A-F]{8}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{12}$/i
             end
  end

  def valid_length?(value)
    value.present?
  end

  def valid?(value, options)
    valid_length?(value) &&
      valid_format?(value, options)
  end

end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
active_validation-5.0.0	lib/active_validation/validators/uuid_validator.rb
active_validation-4.1.0	lib/active_validation/validators/uuid_validator.rb