FileStreamConsumer.php

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<?php declare(strict_types=1);

namespace ILIAS\ResourceStorage\Consumer;

use ILIAS\Filesystem\Stream\FileStream;
use ILIAS\ResourceStorage\Resource\StorableResource;
use ILIAS\ResourceStorage\StorageHandler\StorageHandler;

class FileStreamConsumer implements StreamConsumer
{
    use GetRevisionTrait;

    private $storage_handler;
    private $resource;
    protected $revision_number = null;

    public function __construct(StorableResource $resource, StorageHandler $storage_handler)
    {
        $this->resource = $resource;
        $this->storage_handler = $storage_handler;
    }

    public function getStream() : FileStream
    {
        $revision = $this->getRevision();

        return $this->storage_handler->getStream($revision);
    }

    public function setRevisionNumber(int $revision_number) : FileStreamConsumer
    {
        $this->revision_number = $revision_number;
        return $this;
    }

}