module SerialTranslator
  class SerialTranslatorPresenceValidator < ActiveModel::Validations::PresenceValidator
    def validate_each(record, attribute, _value)
      translations = record.__send__("#{attribute}_translations") || {}
      return if translations.values.any?(&:present?)
      record.errors.add_on_blank(attribute, options)
    end

    def kind; :presence end
  end
end