FM / Handler

/home/techb158/immovalet.com/platform/core/media/src/Chunks/Handler/

/home/techb158/immovalet.com/platform/core/media/src/Chunks/Handler

Name	Size	Mode	Actions
AbstractHandler.php	4380	0644	edit dl rm
DropZoneUploadHandler.php	1997	0644	edit dl rm

Edit: /home/techb158/immovalet.com/platform/core/media/src/Chunks/Handler/AbstractHandler.php (4380B)

<?php

namespace Botble\Media\Chunks\Handler;

use Botble\Media\Chunks\Save\AbstractSave;
use Botble\Media\Chunks\Storage\ChunkStorage;
use Illuminate\Http\Request;
use Illuminate\Http\UploadedFile;
use Session;

abstract class AbstractHandler
{
    /**
     * @var Request
     */
    protected $request;

/**
     * @var UploadedFile
     */
    protected $file;

/**
     * @var array
     */
    protected $config;

/**
     * AbstractReceiver constructor.
     *
     * @param Request $request
     * @param UploadedFile $file
     */
    public function __construct(Request $request, $file)
    {
        $this->request = $request;
        $this->file = $file;
        $this->config = config('core.media.media.chunk');
    }

/**
     * Checks the current setup if session driver was booted - if not, it will generate random hash.
     *
     * @return bool
     */
    public static function canUseSession()
    {
        // Get the session driver and check if it was started - fully inited by laravel
        $session = session();
        $driver = $session->getDefaultDriver();
        $drivers = $session->getDrivers();

// Check if the driver is valid and started - allow using session
        if (isset($drivers[$driver]) && true === $drivers[$driver]->isStarted()) {
            return true;
        }

return false;
    }

/**
     * Builds the chunk file name per session and the original name. You can
     * provide custom additional name at the end of the generated file name. All chunk
     * files has .part extension.
     *
     * @param string|null $additionalName Make the name more unique (example: use id from request)
     * @param string|null $currentChunkIndex Add the chunk index for parallel upload
     *
     * @return string
     *
     * @see UploadedFile::getClientOriginalName()
     * @see Session::getId()
     */
    public function createChunkFileName($additionalName = null, $currentChunkIndex = null)
    {
        // Prepare basic name structure
        $array = [
            $this->file->getClientOriginalName(),
        ];

// Ensure that the chunk name is for unique for the client session
        $useSession = $this->config['chunk']['name']['use']['session'];
        $useBrowser = $this->config['chunk']['name']['use']['browser'];
        if ($useSession && false === static::canUseSession()) {
            $useBrowser = true;
            $useSession = false;
        }

// The session needs more config on the provider
        if ($useSession) {
            $array[] = Session::getId();
        }

// Can work without any additional setup
        if ($useBrowser) {
            $array[] = md5($this->request->ip() . $this->request->header('User-Agent', 'no-browser'));
        }

// Add additional name for more unique chunk name
        if ($additionalName !== null) {
            $array[] = $additionalName;
        }

// Build the final name - parts separated by dot
        $namesSeparatedByDot = [
            implode('-', $array),
        ];

// Add the chunk index for parallel upload
        if (null !== $currentChunkIndex) {
            $namesSeparatedByDot[] = $currentChunkIndex;
        }

// Add extension
        $namesSeparatedByDot[] = ChunkStorage::CHUNK_EXTENSION;

// Build name
        return implode('.', $namesSeparatedByDot);
    }

/**
     * Creates save instance and starts saving the uploaded file.
     *
     * @param ChunkStorage $chunkStorage the chunk storage
     *
     * @return AbstractSave
     */
    abstract public function startSaving($chunkStorage);

/**
     * Returns the chunk file name for a storing the tmp file.
     *
     * @return string
     */
    abstract public function getChunkFileName();

/**
     * Checks if the request has first chunk.
     *
     * @return bool
     */
    abstract public function isFirstChunk();

/**
     * Checks if the current request has the last chunk.
     *
     * @return bool
     */
    abstract public function isLastChunk();

/**
     * Checks if the current request is chunked upload.
     *
     * @return bool
     */
    abstract public function isChunkedUpload();

/**
     * Returns the percentage of the upload file.
     *
     * @return int
     */
    abstract public function getPercentageDone();
}

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