Current File : /home/vacivi36/intranet.vacivitta.com.br/protected/modules/cfiles/libs/ZipExtractor.php
<?php
/**
* @link https://www.humhub.org/
* @copyright Copyright (c) 2017 HumHub GmbH & Co. KG
* @license https://www.humhub.com/licences
*
*/
/**
* Created by PhpStorm.
* User: buddha
* Date: 27.08.2017
* Time: 20:26
*/
namespace humhub\modules\cfiles\libs;
use Yii;
use yii\web\UploadedFile;
use humhub\modules\cfiles\models\Folder;
class ZipExtractor extends ZipUtil
{
/**
* @param Folder $targetFolder
* @param $file
*/
public function extract(Folder $targetFolder, UploadedFile $file)
{
$this->cleanup();
if (strtolower($file->extension) === 'zip') {
$sourcePath = $this->getZipOutputPath() . '/zipped.zip';
$extractionPath = $this->getZipOutputPath() . '/extracted';
if ($file->saveAs($sourcePath, false)) {
$this->unpackArchive($sourcePath, $extractionPath);
$this->generateModelsFromFilesystem($targetFolder, $extractionPath);
} else {
$targetFolder->addError('upload', Yii::t('CfilesModule.base', 'Archive %filename% could not be extracted.', ['%filename%' => $file->name]));
}
} else {
$targetFolder->addError('upload', Yii::t('CfilesModule.base', '%filename% has invalid extension and was skipped.', ['%filename%' => $file->name]));
}
return $targetFolder;
}
/**
* Unzips an archive from sourcePath to extractionPath.
*
* @param string $sourcePath
* @param string $extractionPath
*/
protected function unpackArchive($sourcePath, $extractionPath)
{
$zip = new \ZipArchive();
$zip->open($sourcePath);
$zip->extractTo($extractionPath);
$zip->close();
}
/**
* Generate the cfolder and cfile structure in the database of a given folder and all its subfolders recursively.
*
* @param Folder $targetFolder the folders parent folder.
* @param string $folderPath the path of the folder.
* @param Folder|null $root the $root folder which is used for adding errors if not given $targetFolder will be used as $root
*/
protected function generateModelsFromFilesystem(Folder $targetFolder, $folderPath, Folder $root = null)
{
// remove unwanted parent folder references from the scanned files
$files = array_diff(scandir($folderPath), ['..','.']);
if(!$root) {
$root = $targetFolder;
}
foreach ($files as $file) {
$filePath = $folderPath . DIRECTORY_SEPARATOR . $file;
if (is_dir($filePath)) {
$folder = $targetFolder->findFolderByName($file);
if(!$folder) {
$folder = $targetFolder->newFolder($file);
if(!$folder->save()) {
$root->addError('upload', Yii::t('CfilesModule.base', 'An error occurred while creating folder {folder}.', ['folder' => $file]));
continue;
}
}
$this->generateModelsFromFilesystem($folder, $filePath, $root);
} else {
$result = $this->generateModelFromFile($targetFolder, $folderPath, $file);
if($result->hasErrors()) {
$root->addError('upload', Yii::t('CfilesModule.base', 'An error occurred while unpacking {filename}.', ['filename' => $file]));
}
}
}
}
/**
* Create a cfile model and create and connect it with its basefile File model from a given data file, connect it with its parent folder.
* TODO: This method has a lot in common with BrowseController/actionUpload, common logic needs to be extracted and reused
*
* @param Folder $targetFolder the files pid.
* @param string $folderPath the path of the folder the file data lies in.
* @param string $filename the files name.
*/
protected function generateModelFromFile(Folder $targetFolder, $folderPath, $filename)
{
$filePath = $folderPath . DIRECTORY_SEPARATOR . $filename;
return $targetFolder->addFileFromPath($filename, $filePath);
}
}
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