chatbotbegriffe/Classes/Controller/TypeController.php

<?php

namespace Meramo\Begriffmgt\Controller;

use Meramo\Begriffmgt\Domain\Model\Type;
use Meramo\Begriffmgt\Domain\Repository\TypeRepository;
use TYPO3\CMS\Extbase\Mvc\Controller\ActionController;
use TYPO3\CMS\Extbase\Persistence\Generic\PersistenceManager;

class TypeController extends ActionController
{
    public function __construct(TypeRepository $typeRepository) {
        $this->typeRepository = $typeRepository;
    }

    public function createAction(string $title) {
        $type = $this->typeRepository->findByTitle($title);
        if(!$type && $title !== ''){
            $type = new Type();
            $type->setTitle($title);
            $this->typeRepository->add($type);
            $this->objectManager->get(PersistenceManager::class)->persistAll();
            $typeUid = $type->getUid();
        } else {
            $typeUid = $type['uid'];
        }
        return $typeUid;
    }
}