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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;
use Pimcore\Db\Helper;
use Pimcore\File;
use Pimcore\Messenger\AssetPreviewImageMessage;
use Pimcore\Model;
use Pimcore\Model\Asset;
use Pimcore\Tool\Storage;
/**
* @method \Pimcore\Model\Asset\Dao getDao()
*/
class Folder extends Model\Asset
{
/**
* {@inheritdoc}
*/
protected $type = 'folder';
/**
* @internal
*
* @var Asset[]|null
*/
protected $children;
/**
* @internal
*
* @var bool|null
*/
protected $hasChildren;
/**
* set the children of the document
*
* @param Asset[]|null $children
*
* @return $this
*/
public function setChildren($children)
{
$this->children = $children;
if (is_array($children) && count($children) > 0) {
$this->hasChildren = true;
} else {
$this->hasChildren = false;
}
return $this;
}
/**
* @return Asset[]
*/
public function getChildren()
{
if ($this->children === null) {
if ($this->getId()) {
$list = new Asset\Listing();
$list->setCondition('parentId = ?', $this->getId());
$list->setOrderKey('filename');
$list->setOrder('asc');
$this->children = $list->getAssets();
} else {
$this->children = [];
}
}
return $this->children;
}
/**
* @return bool
*/
public function hasChildren()
{
if (is_bool($this->hasChildren)) {
if (($this->hasChildren && empty($this->children)) || (!$this->hasChildren && !empty($this->children))) {
return $this->getDao()->hasChildren();
}
return $this->hasChildren;
}
return $this->getDao()->hasChildren();
}
/**
* @internal
*
* @param bool $force
*
* @return resource|null
*
* @throws \Doctrine\DBAL\Exception
* @throws \League\Flysystem\FilesystemException
*/
public function getPreviewImage(bool $force = false)
{
$storage = Storage::get('thumbnail');
$cacheFilePath = sprintf(
'%s/%s/image-thumb__%s__-folder-preview%s.jpg',
rtrim($this->getRealPath(), '/'),
$this->getId(),
$this->getId(),
'-hdpi'
);
$tileThumbnailConfig = Asset\Image\Thumbnail\Config::getPreviewConfig();
$limit = 42;
$db = \Pimcore\Db::get();
$condition = "path LIKE :path AND type IN ('image', 'video', 'document')";
$conditionParams = [
'path' => Helper::escapeLike($this->getRealFullPath()) . '/%',
];
if ($storage->fileExists($cacheFilePath)) {
$lastUpdate = $db->fetchOne('SELECT MAX(modificationDate) FROM assets WHERE ' . $condition . ' ORDER BY filename ASC LIMIT ' . $limit, $conditionParams);
if ($lastUpdate < $storage->lastModified($cacheFilePath)) {
return $storage->readStream($cacheFilePath);
}
}
$list = new Asset\Listing();
$list->setCondition($condition, $conditionParams);
$list->setOrderKey('id');
$list->setOrder('asc');
$list->setLimit($limit);
$totalImages = $list->getCount();
$count = 0;
$gutter = 5;
$squareDimension = 130;
$offsetTop = 0;
$colums = 3;
$skipped = false;
if ($totalImages) {
$collage = imagecreatetruecolor(($squareDimension * $colums) + ($gutter * ($colums - 1)), (int) ceil(($totalImages / $colums)) * ($squareDimension + $gutter));
$background = imagecolorallocate($collage, 12, 15, 18);
imagefill($collage, 0, 0, $background);
foreach ($list as $asset) {
if ($asset instanceof Document && !$asset->getPageCount()) {
continue;
}
$offsetLeft = ($squareDimension + $gutter) * ($count % $colums);
$tileThumb = null;
if ($asset instanceof Image) {
$tileThumb = $asset->getThumbnail($tileThumbnailConfig);
} elseif ($asset instanceof Document || $asset instanceof Video) {
$tileThumb = $asset->getImageThumbnail($tileThumbnailConfig);
}
if ($tileThumb) {
if (!$tileThumb->exists() && !$force) {
// only generate if all necessary thumbs are available
$skipped = true;
\Pimcore::getContainer()->get('messenger.bus.pimcore-core')->dispatch(
new AssetPreviewImageMessage($this->getId())
);
break;
}
$stream = $tileThumb->getStream();
if (null === $stream) {
break;
}
$width = $tileThumb->getWidth();
$height = $tileThumb->getHeight();
if (!$width || !$height) {
break;
}
$tile = imagecreatefromstring(stream_get_contents($stream));
imagecopyresampled($collage, $tile, $offsetLeft, $offsetTop, 0, 0, $squareDimension, $squareDimension, $width, $height);
$count++;
if ($count % $colums === 0) {
$offsetTop += ($squareDimension + $gutter);
}
}
}
if ($count && !$skipped) {
$localFile = File::getLocalTempFilePath('jpg');
imagejpeg($collage, $localFile, 60);
if (filesize($localFile) > 0) {
$storage->write($cacheFilePath, file_get_contents($localFile));
}
return $storage->readStream($cacheFilePath);
}
}
return null;
}
}

vendor/pimcore/pimcore/models/Asset/Folder.php line 80