QueueController.php

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<?php
 
declare(strict_types=1);
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
namespace ‪TYPO3Tests\TestIrreForeignfield\Controller;
 
use Psr\Http\Message\ResponseInterface;
use ‪TYPO3\CMS\Core\Http\Response;
use ‪TYPO3\CMS\Core\Http\Stream;
use ‪TYPO3\CMS\Extbase\Http\ForwardResponse;
use ‪TYPO3\CMS\Extbase\Mvc\Controller\ActionController;
use ‪TYPO3\CMS\Extbase\Mvc\View\JsonView;
use ‪TYPO3\CMS\Extbase\Persistence\Generic\Mapper\DataMapFactory;
use ‪TYPO3\CMS\Extbase\Persistence\PersistenceManagerInterface;
use ‪TYPO3Tests\TestIrreForeignfield\Domain\Repository\ContentRepository;
use ‪TYPO3Tests\TestIrreForeignfield\Service\QueueService;
 
class ‪QueueController extends ‪ActionController
{
    protected ‪DataMapFactory ‪$dataMapFactory;
    protected ‪QueueService ‪$queueService;
    private ‪ContentRepository ‪$contentRepository;
    private ‪PersistenceManagerInterface ‪$persistenceManager;
 
    protected ‪$defaultViewObjectName = JsonView::class;
 
    public function ‪__construct(
        ‪DataMapFactory ‪$dataMapFactory,
        ‪QueueService ‪$queueService,
        ‪ContentRepository ‪$contentRepository,
        ‪PersistenceManagerInterface ‪$persistenceManager
    ) {
        $this->dataMapFactory = ‪$dataMapFactory;
        $this->queueService = ‪$queueService;
        $this->contentRepository = ‪$contentRepository;
        $this->persistenceManager = ‪$persistenceManager;
    }
 
    public function ‪indexAction(): ResponseInterface
    {
        $calls = [];
        $calls[] = ['Content', 'list'];
        $contents = $this->contentRepository->findAll();
        foreach ($contents as $content) {
            ‪$uid = $content->getUid();
            $calls[] = ['Content', 'show', ['content' => (string)‪$uid]];
        }
        $this->queueService->set($calls);
        return new ‪ForwardResponse('process');
    }
 
    public function ‪processAction(): ResponseInterface
    {
        $call = $this->queueService->shift();
        if ($call === null) {
            return new ‪ForwardResponse('finish');
        }
        // Clear these states and fetch fresh entities!
        $this->persistenceManager->clearState();
 
        $response = (new ‪ForwardResponse($call[1]))
            ->withControllerName($call[0]);
 
        ‪$arguments = $call[2] ?? null;
        if (is_array(‪$arguments)) {
            $response = $response->withArguments(‪$arguments);
        }
 
        return $response;
    }
 
    public function ‪finishAction(): ResponseInterface
    {
        $value = $this->queueService->getValues();
        $this->view->assign('value', $value);
        $body = new ‪Stream('php://temp', 'rw');
        $body->write($this->view->render());
        return (new ‪Response($body))->withHeader('Content-Type', 'application/json; charset=utf-8');
    }
}