/**
this is from Antonio Ramirez
     * Error handler, when there is an error this will fire
     * @param CEvent $event
     */
    public function apiErrorHandler(CEvent $event)
    {
        $event->handled = true;
        $debug = Yii::app()->params['yii.debug'];
        $response = array();
        if ($event instanceof CExceptionEvent)
        {
            if ($event->exception instanceof EApiError)
            {
                $response['code'] = $event->exception->statusCode;
                $response['message'] = $event->exception->getMessage();
            } else
            {
                $response['code'] = isset($event->exception->statusCode)
                    ? $event->exception->statusCode
                    : $event->exception->getCode();
                $response['message'] = $event->exception->getMessage();
                if ($debug)
                    $response['traceback'] = $event->exception->getTrace();
            }
        } else if ($event instanceof CErrorEvent)
        {
            $response['code'] = 500;
            $response['message'] = $event->message;

            if ($debug)
                $response['traceback'] = debug_backtrace();
        }

        if (!$response['code'])
            $response['code'] = 500;

        try
        {
            HHttp::sendHttpResponseCode($response['code']);
        } catch (exception $e)
        {
            $response['code'] = 500;
            HHttp::sendHttpResponseCode($response['code']);
        }

        $this->renderJson($response);

        Yii::app()->end();
    }