public function executeSoap()
    {
        if (!stWebApi::isEnabled()) 
        {
            $i18n = $this->getContext()->getI18N();
            $this->setFlash('error', $i18n->__('Musisz włączyć webapi', null, 'stWebApiBackend'), false);
            $this->getResponse()->setStatusCode(503);
            return $this->forward('stWebApiBackend', 'config');
        }
        
        $config = stConfig::getInstance('stWebApiBackend');
        if ($config->get('ssl', false) && !$this->getRequest()->isSecure()) throw new SoapFault('SSL', 'Please try via SSL.');
        
        $this->setLayout(false);
        $response = $this->getResponse();
        $response->setContentType( "text/xml" );
        
        if ($this->hasRequestParameter('wsdl')) {
            return $this->renderText(trim($this->getRenderPartial('webapi_wsdl')));
        } else {
            ini_set("soap.wsdl_cache_enabled",0);

            $WSDLFile = $this->getController()->genUrl('<?php echo $this->getModuleName() ?>/soap', true);
        
            $soap = new SoapServer($WSDLFile.'?wsdl');
            $soap->setClass( "<?php echo $this->getModuleName() ?>WebApi");
            ob_start();
            $soap->handle();
            return $this->renderText(ob_get_clean());
        }
    }