Chamilo\CoreBundle\Controller\ResourceController::downloadAction()

Complexity

Conditions	5
Paths	4

Size

Total Lines	76
Code Lines	42

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
    public function downloadAction(Request $request)
    {
        $id = (int) $request->get('id');
        $resourceNode = $this->getResourceNodeRepository()->find($id);

        if (null === $resourceNode) {
            throw new FileNotFoundException('Resource not found');
        }

        $repo = $this->getRepositoryFromRequest($request);

        $this->denyAccessUnlessGranted(
            ResourceNodeVoter::VIEW,
            $resourceNode,
            $this->trans('Unauthorised access to resource')
        );

        // If resource node has a file just download it. Don't download the children.
        if ($resourceNode->hasResourceFile()) {
            // Redirect to download single file.
            return $this->processFile($request, $resourceNode, 'download');
        }

        $zipName = $resourceNode->getSlug().'.zip';
        //$rootNodePath = $resourceNode->getPathForDisplay();
        $resourceNodeRepo = $repo->getResourceNodeRepository();
        $type = $repo->getResourceType();

        $criteria = Criteria::create()
            ->where(Criteria::expr()->neq('resourceFile', null)) // must have a file
            ->andWhere(Criteria::expr()->eq('resourceType', $type)) // only download same type
        ;

        $qb = $resourceNodeRepo->getChildrenQueryBuilder($resourceNode);
        $qb->addCriteria($criteria);
        /** @var ArrayCollection|ResourceNode[] $children */
        $children = $qb->getQuery()->getResult();
        $count = \count($children);
        if (0 === $count) {
            $params = $this->getResourceParams($request);
            $params['id'] = $id;

            $this->addFlash('warning', $this->trans('No files'));

            return $this->redirectToRoute('chamilo_core_resource_list', $params);
        }

        $response = new StreamedResponse(
            function () use ($zipName, $children, $repo): void {
                // Define suitable options for ZipStream Archive.
                $options = new Archive();
                $options->setContentType('application/octet-stream');
                //initialise zipstream with output zip filename and options.
                $zip = new ZipStream($zipName, $options);

                /** @var ResourceNode $node */
                foreach ($children as $node) {
                    $stream = $repo->getResourceNodeFileStream($node);
                    $fileName = $node->getResourceFile()->getOriginalName();
                    //$fileToDisplay = basename($node->getPathForDisplay());
                    //$fileToDisplay = str_replace($rootNodePath, '', $node->getPathForDisplay());
                    //error_log($fileToDisplay);
                    $zip->addFileFromStream($fileName, $stream);
                }
                $zip->finish();
            }
        );

        $disposition = $response->headers->makeDisposition(
            ResponseHeaderBag::DISPOSITION_ATTACHMENT,
            $zipName //Transliterator::transliterate($zipName)
        );
        $response->headers->set('Content-Disposition', $disposition);
        $response->headers->set('Content-Type', 'application/octet-stream');

        return $response;
    }