UploadService.php
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<?php namespace BookStack\Services;
use Illuminate\Contracts\Filesystem\Factory as FileSystem;
use Illuminate\Contracts\Filesystem\Filesystem as FileSystemInstance;
class UploadService
{
/**
* @var FileSystem
*/
protected $fileSystem;
/**
* @var FileSystemInstance
*/
protected $storageInstance;
/**
* FileService constructor.
* @param $fileSystem
*/
public function __construct(FileSystem $fileSystem)
{
$this->fileSystem = $fileSystem;
}
/**
* Get the storage that will be used for storing images.
* @return FileSystemInstance
*/
protected function getStorage()
{
if ($this->storageInstance !== null) return $this->storageInstance;
$storageType = config('filesystems.default');
$this->storageInstance = $this->fileSystem->disk($storageType);
return $this->storageInstance;
}
/**
* Check whether or not a folder is empty.
* @param $path
* @return bool
*/
protected function isFolderEmpty($path)
{
$files = $this->getStorage()->files($path);
$folders = $this->getStorage()->directories($path);
return (count($files) === 0 && count($folders) === 0);
}
/**
* Check if using a local filesystem.
* @return bool
*/
protected function isLocal()
{
return strtolower(config('filesystems.default')) === 'local';
}
}