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<?php
/**
* SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OC\Preview;
use OCP\Files\File;
use OCP\Files\IRootFolder;
use OCP\Files\SimpleFS\ISimpleFile;
use OCP\IConfig;
use OCP\IImage;
use OCP\Image as OCPImage;
use OCP\Preview\IProvider;
use OCP\Preview\IProviderV2;
/**
* Very small wrapper class to make the generator fully unit testable
*/
class GeneratorHelper {
/** @var IRootFolder */
private $rootFolder;
/** @var IConfig */
private $config;
public function __construct(IRootFolder $rootFolder, IConfig $config) {
$this->rootFolder = $rootFolder;
$this->config = $config;
}
/**
* @param IProviderV2 $provider
* @param File $file
* @param int $maxWidth
* @param int $maxHeight
*
* @return bool|IImage
*/
public function getThumbnail(IProviderV2 $provider, File $file, $maxWidth, $maxHeight, bool $crop = false) {
if ($provider instanceof Imaginary) {
return $provider->getCroppedThumbnail($file, $maxWidth, $maxHeight, $crop) ?? false;
}
return $provider->getThumbnail($file, $maxWidth, $maxHeight) ?? false;
}
/**
* @param ISimpleFile $maxPreview
* @return IImage
*/
public function getImage(ISimpleFile $maxPreview) {
$image = new OCPImage();
$image->loadFromData($maxPreview->getContent());
return $image;
}
/**
* @param callable $providerClosure
* @return IProviderV2
*/
public function getProvider($providerClosure) {
$provider = $providerClosure();
if ($provider instanceof IProvider) {
$provider = new ProviderV1Adapter($provider);
}
return $provider;
}
}
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