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<?php
/**
* @copyright Copyright (c) 2016, Roeland Jago Douma <roeland@famdouma.nl>
*
* @author Morris Jobke <hey@morrisjobke.de>
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\Files_Versions\Controller;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\DataResponse;
use OCP\AppFramework\Http\FileDisplayResponse;
use OCP\Files\File;
use OCP\Files\Folder;
use OCP\Files\IMimeTypeDetector;
use OCP\Files\IRootFolder;
use OCP\Files\NotFoundException;
use OCP\IPreview;
use OCP\IRequest;
class PreviewController extends Controller {
/** @var IRootFolder */
private $rootFolder;
/** @var string */
private $userId;
/** @var IMimeTypeDetector */
private $mimeTypeDetector;
/** @var IPreview */
private $previewManager;
public function __construct($appName,
IRequest $request,
IRootFolder $rootFolder,
$userId,
IMimeTypeDetector $mimeTypeDetector,
IPreview $previewManager) {
parent::__construct($appName, $request);
$this->rootFolder = $rootFolder;
$this->userId = $userId;
$this->mimeTypeDetector = $mimeTypeDetector;
$this->previewManager = $previewManager;
}
/**
* @NoAdminRequired
* @NoCSRFRequired
*
* @param string $file
* @param int $x
* @param int $y
* @param string $version
* @return DataResponse|FileDisplayResponse
*/
public function getPreview(
$file = '',
$x = 44,
$y = 44,
$version = ''
) {
if($file === '' || $version === '' || $x === 0 || $y === 0) {
return new DataResponse([], Http::STATUS_BAD_REQUEST);
}
try {
$userFolder = $this->rootFolder->getUserFolder($this->userId);
/** @var Folder $versionFolder */
$versionFolder = $userFolder->getParent()->get('files_versions');
$mimeType = $this->mimeTypeDetector->detectPath($file);
$file = $versionFolder->get($file.'.v'.$version);
/** @var File $file */
$f = $this->previewManager->getPreview($file, $x, $y, true, IPreview::MODE_FILL, $mimeType);
return new FileDisplayResponse($f, Http::STATUS_OK, ['Content-Type' => $f->getMimeType()]);
} catch (NotFoundException $e) {
return new DataResponse([], Http::STATUS_NOT_FOUND);
} catch (\InvalidArgumentException $e) {
return new DataResponse([], Http::STATUS_BAD_REQUEST);
}
}
}
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