^^&&^^

Edit File: B2.inc

<?php
/**
 * Author:		Shlomi
 * Date:		Sep 4, 2017 10:11:00 AM
 * Founder:		Shlomi Bazak (SBZsoft) (c)
 * File: 		B2.inc
 *  
 * Description:
 *		
 */
namespace B2; 
use B2\Http\B2Client;
use B2\Entities\Bucket;
use B2\Entities\BucketManager;
use B2\Entities\FileManager;
use B2\Exceptions\B2Exception;

// No direct access.
defined("__NSS__") or die("Restrected Access.");

class B2 {
	
	private $_client;
	private $_bucketManager;
	private $_fileManager;
	
	/**
	 * 
	 * @param B2Client $client
	 */
	public function __construct(B2Client $client){
		$this->_client = $client;
		$this->_bucketManager = new BucketManager($client);
		$this->_fileManager = new FileManager($client);
	}
	
	/**
	 * Create a new Private Bucket named $name
	 * @param string $name
	 * @return \B2\Entities\Bucket the bucket created
	 */
	public function createBucket($name){
		return $this->_bucketManager->createBucket($name, Bucket::TYPE_PRIVATE);
	}
	
	/**
	 * Create a new Public Bucket named $name
	 * @param string $name
	 * @return \B2\Entities\Bucket the bucket created
	 */
	public function createPublicBucket($name){
		return $this->_bucketManager->createBucket($name, Bucket::TYPE_PUBLIC);
	}
	
	/**
	 * Delete Bucket named $name
	 * @param string $name
	 * @return true on success
	 */
	public function deleteBucket($name){
		$bucket = $this->_bucketManager->getBucketByName($name);
		return $this->_bucketManager->deleteBucket($bucket);
	}
	
	/**
	 * List existing buckets. If !$cached api call will be made to B2 server. 
	 * Oterwise, the last requested data will be returned. 
	 * @param bool $reload
	 * @return \B2\Entities\Bucket[]
	 */
	public function listBuckets($cached=true){
		return $this->_bucketManager->listBuckets(!$cached);
	}
	
	/**
	 * List directory on B2 servers in bucket$bucketName
	 * @param string $bucketName the bucket to list directory from
	 * @param string $path the directory to list
	 * @return \B2\Entities\File[] file list in $bucketName/$path
	 */
	public function listDir($bucketName, $path=""){
		$bucket = $this->_bucketManager->getBucketByName($bucketName);
		return $this->_fileManager->listDir($bucket, $path);
	}
	
	/**
	 * Get a single file on B2 server located on bucket $bucketName and its path is exactly $path
	 * @param string $bucketName
	 * @param string $path
	 * @return \B2\Entities\File|NULL the file data or null if file not found.
	 */
	public function getFile($bucketName, $path){
		$bucket = $this->_bucketManager->getBucketByName($bucketName);
		try { return $this->_fileManager->getFile($bucket, $path); }
		catch(\B2\Exceptions\B2Exception $e) {
			return null;
		}
	}
	
	/**
	 * Delete file in bucket $bucketName located at $path
	 * @param string $bucketName
	 * @param string $path
	 * @throws B2Exception if something goes wrong.
	 * @return boolean true on success.
	 */
	public function deleteFile($bucketName, $path) {
		$bucket = $this->_bucketManager->getBucketByName($bucketName);
		return $this->_fileManager->deleteFile($bucket, $path);
	}
	
	/**
	 * check if file exists on bucket $bucketName and path $path
	 * @param string $bucketName the bucket name
	 * @param string $path path to the file
	 * @return boolean
	 */
	public function fileExists($bucketName, $path) {
		return !!$this->getFile($bucketName, $path);
	}
	
	/**
	 * Upload file to B2 server
	 * @param string $localFilePath path to the local file to upload 
	 * @param string $bucketName the bucket to upload to
	 * @param string $path path on the bucket to upload to.
	 * @param int $retries if upload fails, retry this number of times.
	 * @throws B2Exception if anything goes wrong
	 * @return \B2\Entities\File uploaded file data
	 */
	public function upload($localFilePath, $bucketName, $path, $retries=0){
		$bucket = $this->_bucketManager->getBucketByName($bucketName);
		return $this->_fileManager->uploadFile($localFilePath, $bucket, $path, $retries);
	}
	
	/**
	 * Download file from B2 setver
	 * @param string $bucketName the bucket to download from
	 * @param string $fileName path on the bucket to download.
	 * @param string $saveTo path on the local filesystem to save the file to 
	 * @throws B2Exception if anything goes wrong
	 * @return array download data
	 */
	public function download($bucketName, $fileName, $saveTo=null){
		return $this->_fileManager->downloadFile($bucketName, $fileName, $saveTo);
	}
	
	/**
	 * Cleanup unfinished large files.
	 * @param String $bucketName
	 * @param String $path
	 */
	public function cleanUnfinishedLargeFiles($bucket, $path){
		$bucket = $this->_bucketManager->getBucketByName($bucket);
		return $this->_fileManager->cleanUnfinishedLargeFiles($bucket, $path);
	}
	
}