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<?php
/**
* Pimcore
*
* This source file is available under two different licenses:
* - GNU General Public License version 3 (GPLv3)
* - Pimcore Commercial License (PCL)
* Full copyright and license information is available in
* LICENSE.md which is distributed with this source code.
*
* @copyright Copyright (c) Pimcore GmbH (http://www.pimcore.org)
* @license http://www.pimcore.org/license GPLv3 and PCL
*/
namespace Pimcore\Model\Asset\Document;
use Pimcore\Event\AssetEvents;
use Pimcore\Event\FrontendEvents;
use Pimcore\File;
use Pimcore\Helper\TemporaryFileHelperTrait;
use Pimcore\Logger;
use Pimcore\Model;
use Pimcore\Model\Asset\Image;
use Pimcore\Model\Exception\NotFoundException;
use Pimcore\Tool\Storage;
use Symfony\Component\EventDispatcher\GenericEvent;
use Symfony\Component\Lock\LockFactory;
/**
* @property Model\Asset\Document|null $asset
*/
final class ImageThumbnail
{
use Model\Asset\Thumbnail\ImageThumbnailTrait;
use TemporaryFileHelperTrait;
/**
* @internal
*
* @var int
*/
protected $page = 1;
/**
* @param Model\Asset\Document|null $asset
* @param string|array|Image\Thumbnail\Config $config
* @param int $page
* @param bool $deferred
*/
public function __construct($asset, $config = null, $page = 1, $deferred = true)
{
$this->asset = $asset;
$this->config = $this->createConfig($config);
$this->page = $page;
$this->deferred = $deferred;
}
/**
* TODO: Pimcore 11: Change method signature to getPath($args = [])
*
* @param mixed $args,...
*
* @return string
*/
public function getPath(...$args)
{
// TODO: Pimcore 11: remove calling the covertArgsBcLayer() method
$args = $this->convertArgsBcLayer($args);
// set defaults
$deferredAllowed = $args['deferredAllowed'] ?? true;
$frontend = $args['frontend'] ?? \Pimcore\Tool::isFrontend();
$pathReference = $this->getPathReference($deferredAllowed);
$path = $this->convertToWebPath($pathReference, $frontend);
$event = new GenericEvent($this, [
'pathReference' => $pathReference,
'frontendPath' => $path,
]);
\Pimcore::getEventDispatcher()->dispatch($event, FrontendEvents::ASSET_DOCUMENT_IMAGE_THUMBNAIL);
$path = $event->getArgument('frontendPath');
return $path;
}
/**
* @param bool $deferredAllowed
*/
public function generate($deferredAllowed = true)
{
$deferred = $deferredAllowed && $this->deferred;
$generated = false;
if ($this->asset && empty($this->pathReference)) {
$config = $this->getConfig();
$cacheFileStream = null;
$config->setFilenameSuffix('page-' . $this->page);
try {
if (!$deferred) {
if ($cacheFileStream = $this->getCacheFileStream()) {
$generated = true;
}
}
if ($config) {
if ($deferred || $cacheFileStream) {
$this->pathReference = Image\Thumbnail\Processor::process($this->asset, $config, $cacheFileStream, $deferred, $generated);
}
}
} catch (\Exception $e) {
Logger::error("Couldn't create image-thumbnail of document " . $this->asset->getRealFullPath() . ': ' . $e);
}
}
if (empty($this->pathReference)) {
$this->pathReference = [
'type' => 'error',
'src' => '/bundles/pimcoreadmin/img/filetype-not-supported.svg',
];
}
$event = new GenericEvent($this, [
'deferred' => $deferred,
'generated' => $generated,
]);
\Pimcore::getEventDispatcher()->dispatch($event, AssetEvents::DOCUMENT_IMAGE_THUMBNAIL);
}
/**
* @return resource|null
*/
private function getCacheFileStream()
{
$storage = Storage::get('asset_cache');
$cacheFilePath = sprintf(
'%s/%s/image-thumb__%s__document_original_image/page_%s.png',
rtrim($this->asset->getRealPath(), '/'),
$this->asset->getId(),
$this->asset->getId(),
$this->page
);
if (!$storage->fileExists($cacheFilePath)) {
$lock = \Pimcore::getContainer()->get(LockFactory::class)->createLock($cacheFilePath);
if ($lock->acquire()) {
$tempFile = File::getLocalTempFilePath('png');
try {
$converter = \Pimcore\Document::getInstance();
$converter->load($this->asset);
$converter->saveImage($tempFile, $this->page);
$storage->write($cacheFilePath, file_get_contents($tempFile));
} finally {
$lock->release();
}
} else {
Logger::info('Creation of cache file stream of document ' . $this->asset->getRealFullPath() . ' is locked');
return null;
}
}
return $storage->readStream($cacheFilePath);
}
/**
* Get the public path to the thumbnail image.
* This method is here for backwards compatility.
* Up to Pimcore 1.4.8 a thumbnail was returned as a path to an image.
*
* @return string Public path to thumbnail image.
*/
public function __toString()
{
return $this->getPath();
}
/**
* @param string|array|Image\Thumbnail\Config $selector
*
* @return Image\Thumbnail\Config
*/
protected function createConfig($selector)
{
$config = Image\Thumbnail\Config::getByAutoDetect($selector);
if (!empty($selector) && $config === null) {
throw new NotFoundException('Thumbnail definition "' . (is_string($selector) ? $selector : '') . '" does not exist');
}
if ($config) {
$format = strtolower($config->getFormat());
if ($format == 'source') {
$config->setFormat('PNG');
}
}
return $config;
}
}

vendor/pimcore/pimcore/models/Asset/Document/ImageThumbnail.php line 179