module Doorkeeper
  module Models
    module Revocable
      def revoke(clock = Time)
        update_attribute :revoked_at, clock.now.utc
      end

      def revoked?
        !!(revoked_at && revoked_at <= Time.now.utc)
      end

      def revoke_previous_refresh_token!
        return unless refresh_token_revoked_on_use?
        old_refresh_token.revoke if old_refresh_token
        update_attribute :previous_refresh_token, ""
      end

      private

      def old_refresh_token
        @old_refresh_token ||=
          AccessToken.by_refresh_token(previous_refresh_token)
      end

      def refresh_token_revoked_on_use?
        AccessToken.refresh_token_revoked_on_use?
      end
    end
  end
end