TYPO3 12+13: Extbase TypeConverter to fetch hidden records from persistence (Using this will *always* fetch hidden models of the specified type)

HiddenMyModelConverter.php

<?php

namespace MyVendor\MyExtension\Property\TypeConverter;

use MyVendor\MyExtension\Domain\Model\MyModel;
use TYPO3\CMS\Extbase\Property\Exception\InvalidSourceException;
use TYPO3\CMS\Extbase\Property\Exception\TargetNotFoundException;
use TYPO3\CMS\Extbase\Property\TypeConverter\PersistentObjectConverter;

/**
 * TypeConverter to fetch hidden MyModel records from persistence
 * This will fetch hidden MyModel models during property mapping
 */
class HiddenMyModelConverter extends PersistentObjectConverter
{
    /**
     * @var string
     */
    protected $targetType = MyModel::class;

    /**
     * @var int
     */
    protected $priority = 2;

    /**
     * Fetch an object from persistence layer.
     * This override ignores enable fields (including hidden flag)
     *
     * @throws \TYPO3\CMS\Extbase\Property\Exception\TargetNotFoundException
     * @throws \TYPO3\CMS\Extbase\Property\Exception\InvalidSourceException
     */
    protected function fetchObjectFromPersistence(mixed $identity, string $targetType): object
    {
        if (ctype_digit((string)$identity)) {
            $query = $this->persistenceManager->createQueryForType($targetType);
            $query->getQuerySettings()->setIgnoreEnableFields(true);
            $query->getQuerySettings()->setRespectStoragePage(false);
            $constraints = $query->equals('uid', $identity);
            $object = $query->matching($constraints)->execute()->getFirst();
        } else {
            throw new InvalidSourceException(
                'The identity property "' . $identity . '" is no UID.',
                1297931020
            );
        }

        if ($object === null) {
            throw new TargetNotFoundException(
                'Object with identity "' . print_r($identity, true) . '" not found.',
                1297933823
            );
        }

        return $object;
    }
}

MyModelController.php

<?php

namespace MyVendor\MyExtension\Controller;

use TYPO3\CMS\Extbase\Mvc\Controller\ActionController;

class MyModelController extends ActionController
{
    public function initializeCreateAction(): void
    {
        $propertyMappingConfig = $this->arguments['myModel']->getPropertyMappingConfiguration();
      
        // Use custom HiddenMyModelConverter to handle hidden records
        $propertyMappingConfig
            ->setTypeConverter(
                GeneralUtility::makeInstance(HiddenMyModelConverter::class)
            );
    }
    
    public function createAction(MyModel $myModel): ResponseInterface
    {
        // Should be a hidden myModel entity
        dd($myModel);
    }
}

MyOtherModelController.php

<?php

namespace MyVendor\MyExtension\Controller;

use TYPO3\CMS\Extbase\Mvc\Controller\ActionController;

class MyOtherModelController extends ActionController
{
    public function initializeCreateAction(): void
    {
        $propertyMappingConfig = $this->arguments['myOtherModel']->getPropertyMappingConfiguration();

        // Allow all properties to be set
        $propertyMappingConfig->allowAllProperties();

        // Set explicit type converter for 'date' property
        $propertyMappingConfig->forProperty('date')
            ->setTypeConverterOption(
                DateTimeConverter::class,
                DateTimeConverter::CONFIGURATION_DATE_FORMAT,
                'Y-m-d'
            );

        // Use custom HiddenMyModelConverter for 'myModel' property to handle hidden records
        $propertyMappingConfig->forProperty('myModel')
            ->setTypeConverter(
                GeneralUtility::makeInstance(HiddenMyModelConverter::class)
            );
    }
    
    public function createAction(MyOtherModel $myOtherModel): ResponseInterface
    {
        // Should be a record containing a hidden myModel property
        dd($myOtherModel);
    }
}