tylercd100 / lern

     * @param Notifier $notifier

     * @return Notifier

     */

    protected function buildNotifier(Notifier $notifier = null)

    {

        $class = config('lern.notify.class');

        $class = !empty($class) ? $class : Notifier::class;

        if (empty($notifier)) {

            $notifier = new $class();

        }

        if ($notifier instanceof Notifier) {

            return $notifier;

        } else {

            throw new NotifierFailedException("LERN was expecting an instance of ".Notifier::class);

        }

    }

    /**

     * Constructs a Recorder

     * @param Recorder $recorder

     * @return Recorder

     */

    protected function buildRecorder(Recorder $recorder = null)

    {

        $class = config('lern.record.class');

        $class = !empty($class) ? $class : Recorder::class;

        if (empty($recorder)) {

            $recorder = new $class();

        }

        if ($recorder instanceof Recorder) {

            return $recorder;

        } else {

            throw new RecorderFailedException("LERN was expecting an instance of ".Recorder::class);

        }

    }

}