Cara menggunakan chunk file php

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	<?php
	namespace Pion\Laravel\ChunkUploadExample\Http\Controllers;

	use Illuminate\Routing\Controller as BaseController;
	use Illuminate\Http\JsonResponse;
	use Pion\Laravel\ChunkUpload\Exceptions\UploadFailedException;
	use Storage;
	use Illuminate\Http\Request;
	use Illuminate\Http\UploadedFile;
	use Pion\Laravel\ChunkUpload\Exceptions\UploadMissingFileException;
	use Pion\Laravel\ChunkUpload\Handler\AbstractHandler;
	use Pion\Laravel\ChunkUpload\Handler\HandlerFactory;
	use Pion\Laravel\ChunkUpload\Receiver\FileReceiver;

	class UploadController extends BaseController
	{
	/**
	* Handles the file upload
	*
	* @param Request $request
	*
	* @return JsonResponse
	*
	* @throws UploadMissingFileException
	* @throws UploadFailedException
	*/
	public function upload(Request $request) {
	// create the file receiver
	$receiver = new FileReceiver("file", $request, HandlerFactory::classFromRequest($request));

	// check if the upload is success, throw exception or return response you need
	if ($receiver->isUploaded() === false) {
	throw new UploadMissingFileException();
	}

	// receive the file
	$save = $receiver->receive();

	// check if the upload has finished (in chunk mode it will send smaller files)
	if ($save->isFinished()) {
	// save the file and return any response you need, current example uses `move` function. If you are
	// not using move, you need to manually delete the file by unlink($save->getFile()->getPathname())
	return $this->saveFile($save->getFile());
	}

	// we are in chunk mode, lets send the current progress
	/** @var AbstractHandler $handler */
	$handler = $save->handler();

	return response()->json([
	"done" => $handler->getPercentageDone(),
	'status' => true
	]);
	}

	/**
	* Saves the file to S3 server
	*
	* @param UploadedFile $file
	*
	* @return JsonResponse
	*/
	protected function saveFileToS3($file)
	{
	$fileName = $this->createFilename($file);

	$disk = Storage::disk('s3');
	// It's better to use streaming Streaming (laravel 5.4+)
	$disk->putFileAs('photos', $file, $fileName);

	// for older laravel
	// $disk->put($fileName, file_get_contents($file), 'public');
	$mime = str_replace('/', '-', $file->getMimeType());

	// We need to delete the file when uploaded to s3
	unlink($file->getPathname());

	return response()->json([
	'path' => $disk->url($fileName),
	'name' => $fileName,
	'mime_type' =>$mime
	]);
	}

	/**
	* Saves the file
	*
	* @param UploadedFile $file
	*
	* @return JsonResponse
	*/
	protected function saveFile(UploadedFile $file)
	{
	$fileName = $this->createFilename($file);
	// Group files by mime type
	$mime = str_replace('/', '-', $file->getMimeType());
	// Group files by the date (week
	$dateFolder = date("Y-m-W");

	// Build the file path
	$filePath = "upload/{$mime}/{$dateFolder}/";
	$finalPath = storage_path("app/".$filePath);

	// move the file name
	$file->move($finalPath, $fileName);

	return response()->json([
	'path' => $filePath,
	'name' => $fileName,
	'mime_type' => $mime
	]);
	}

	/**
	* Create unique filename for uploaded file
	* @param UploadedFile $file
	* @return string
	*/
	protected function createFilename(UploadedFile $file)
	{
	$extension = $file->getClientOriginalExtension();
	$filename = str_replace(".".$extension, "", $file->getClientOriginalName()); // Filename without extension

	// Add timestamp hash to name of the file
	$filename .= "_" . md5(time()) . "." . $extension;

	return $filename;
	}
	}