<?php
class appOnlineCodesFrontendActions extends stActions {

    public function executeDownload() {

        if ($this->getRequest()->hasParameter('file') && $this->getRequest()->hasParameter('hash')) {

            if ($this->getRequest()->hasParameter('id'))
            {
                /**
                 * @var Order
                 */
                $order = OrderPeer::retrieveByIdAndHashCode($this->getRequest()->getParameter('id'), $this->getRequest()->getParameter('hash'));
            }
            else 
            {
                $c = new Criteria();
                $c->add(OrderPeer::HASH_CODE, $this->getRequest()->getParameter('hash'));
                $order = OrderPeer::doSelectOne($c);
            }

            if (null !== $order && $order->getOptIsPayed()) {
                $productIds = array();
                foreach ($order->getOrderProducts() as $orderProduct) $productIds[] = $orderProduct->getProductID();

                $c = new Criteria();
                $c->add(OnlineFilesPeer::ID, $this->getRequest()->getParameter('file'));
                $c->add(OnlineFilesPeer::PRODUCT_ID, $productIds, Criteria::IN);
                $fileObj = OnlineFilesPeer::doSelectOne($c);

                if(is_object($fileObj)) {                       
                    $file = sfConfig::get('sf_data_dir').'/online-files/'.$fileObj->getProductId().'/'.$fileObj->getFilename();

                    $handle = fopen($file, 'rb');
                    if ($handle) {
                        $this->setLayout(false);
                        $response = $this->getContext()->getResponse();
                        $response->setContentType("application/octet-stream");
                        $response->setHttpHeader('Content-Disposition', 'attachment; filename="'.$fileObj->getFilename().'"');
                        $response->sendHttpHeaders(); 

                        while (!feof($handle)) {
                            echo fread($handle, 8192);
                            ob_flush();
                            flush();
                        }

                        fclose($handle);

                        return sfView::NONE;
                    }
                }
            }
        }
    
        return $this->forward404();
    }
}