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<?php
namespace Alexusmai\LaravelFileManager\Services;
use Alexusmai\LaravelFileManager\Events\UnzipCreated;
use Alexusmai\LaravelFileManager\Events\UnzipFailed;
use Alexusmai\LaravelFileManager\Events\ZipCreated;
use Alexusmai\LaravelFileManager\Events\ZipFailed;
use Illuminate\Http\Request;
use RecursiveIteratorIterator;
use RecursiveDirectoryIterator;
use ZipArchive;
use Storage;
class Zip
{
protected $zip;
protected $request;
protected $pathPrefix;
/**
* Zip constructor.
*
* @param ZipArchive $zip
* @param Request $request
*/
public function __construct(ZipArchive $zip, Request $request)
{
$this->zip = $zip;
$this->request = $request;
$this->pathPrefix = Storage::disk($request->input('disk'))
->getDriver()
->getAdapter()
->getPathPrefix();
}
/**
* Create new zip archive
*
* @return array
*/
public function create()
{
if ($this->createArchive()) {
return [
'result' => [
'status' => 'success',
'message' => null,
],
];
}
return [
'result' => [
'status' => 'warning',
'message' => 'zipError',
],
];
}
/**
* Extract
*
* @return array
*/
public function extract()
{
if ($this->extractArchive()) {
return [
'result' => [
'status' => 'success',
'message' => null,
],
];
}
return [
'result' => [
'status' => 'warning',
'message' => 'zipError',
],
];
}
/**
* Create zip archive
*
* @return bool
*/
protected function createArchive()
{
// elements list
$elements = $this->request->input('elements');
// create or overwrite archive
if ($this->zip->open(
$this->createName(),
ZIPARCHIVE::OVERWRITE | ZIPARCHIVE::CREATE
) === true
) {
// files processing
if ($elements['files']) {
foreach ($elements['files'] as $file) {
$this->zip->addFile(
$this->pathPrefix.$file,
basename($file)
);
}
}
// directories processing
if ($elements['directories']) {
$this->addDirs($elements['directories']);
}
$this->zip->close();
event(new ZipCreated($this->request));
return true;
}
event(new ZipFailed($this->request));
return false;
}
/**
* Archive extract
*
* @return bool
*/
protected function extractArchive()
{
$zipPath = $this->pathPrefix.$this->request->input('path');
$rootPath = dirname($zipPath);
// extract to new folder
$folder = $this->request->input('folder');
if ($this->zip->open($zipPath) === true) {
$this->zip->extractTo($folder ? $rootPath.'/'.$folder : $rootPath);
$this->zip->close();
event(new UnzipCreated($this->request));
return true;
}
event(new UnzipFailed($this->request));
return false;
}
/**
* Add directories - recursive
*
* @param array $directories
*/
protected function addDirs(array $directories)
{
foreach ($directories as $directory) {
// Create recursive directory iterator
$files = new RecursiveIteratorIterator(
new RecursiveDirectoryIterator($this->pathPrefix.$directory),
RecursiveIteratorIterator::LEAVES_ONLY
);
foreach ($files as $name => $file) {
// Get real and relative path for current item
$filePath = $file->getRealPath();
$relativePath = substr(
$filePath,
strlen($this->fullPath($this->request->input('path')))
);
if (!$file->isDir()) {
// Add current file to archive
$this->zip->addFile($filePath, $relativePath);
} else {
// add empty folders
if (!glob($filePath.'/*')) {
$this->zip->addEmptyDir($relativePath);
}
}
}
}
}
/**
* Create archive name with full path
*
* @return string
*/
protected function createName()
{
return $this->fullPath($this->request->input('path'))
.$this->request->input('name');
}
/**
* Generate full path
*
* @param $path
*
* @return string
*/
protected function fullPath($path)
{
return $path ? $this->pathPrefix.$path.'/' : $this->pathPrefix;
}
}