codevise/cert_watch

module CertWatch
  module DomainOwner
    def self.define(options)
      attribute = options.fetch(:attribute).to_s

      Module.new do
        extend ActiveSupport::Concern

        included do
          after_save do
            if saved_change_to_attribute?(attribute)
              previous_value = saved_change_to_attribute(attribute).first
              new_value = self[attribute]

              Certificate.find_by(domain: previous_value).try(:abandon)

              if new_value.present?
                certificate = Certificate.find_or_create_by(domain: new_value)
                certificate.renew! if certificate.auto_renewable?
              end
            end
          end
        end
      end
    end
  end
end