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<?php
/**
* @copyright Copyright (c) 2016, Roeland Jago Douma <roeland@famdouma.nl>
*
* @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 OC\Preview;
use OC\Files\View;
use OCP\Files\File;
use OCP\Files\IRootFolder;
use OCP\Files\SimpleFS\ISimpleFile;
use OCP\IImage;
use OCP\Image as img;
use OCP\Preview\IProvider;
/**
* Very small wrapper class to make the generator fully unit testable
*/
class GeneratorHelper {
/** @var IRootFolder */
private $rootFolder;
public function __construct(IRootFolder $rootFolder) {
$this->rootFolder = $rootFolder;
}
/**
* @param IProvider $provider
* @param File $file
* @param int $maxWidth
* @param int $maxHeight
* @return bool|IImage
*/
public function getThumbnail(IProvider $provider, File $file, $maxWidth, $maxHeight) {
list($view, $path) = $this->getViewAndPath($file);
return $provider->getThumbnail($path, $maxWidth, $maxHeight, false, $view);
}
/**
* @param File $file
* @return array
* This is required to create the old view and path
*/
private function getViewAndPath(File $file) {
$absPath = ltrim($file->getPath(), '/');
$owner = explode('/', $absPath)[0];
$userFolder = $this->rootFolder->getUserFolder($owner)->getParent();
$nodes = $userFolder->getById($file->getId());
$file = $nodes[0];
$view = new View($userFolder->getPath());
$path = $userFolder->getRelativePath($file->getPath());
return [$view, $path];
}
/**
* @param ISimpleFile $maxPreview
* @return IImage
*/
public function getImage(ISimpleFile $maxPreview) {
return new img($maxPreview->getContent());
}
/**
* @param $provider
* @return IProvider
*/
public function getProvider($provider) {
return $provider();
}
}