PackageManagerUninstallValidator.php

<?php

declare (strict_types=1);
namespace Drupal\package_manager;

use Drupal\Component\Datetime\TimeInterface;
use Drupal\Core\Extension\ModuleUninstallValidatorInterface;
use Drupal\Core\Queue\QueueFactory;
use Drupal\Core\StringTranslation\StringTranslationTrait;
use Drupal\Core\TempStore\SharedTempStoreFactory;
use PhpTuf\ComposerStager\API\Core\BeginnerInterface;
use PhpTuf\ComposerStager\API\Core\CommitterInterface;
use PhpTuf\ComposerStager\API\Core\StagerInterface;
use PhpTuf\ComposerStager\API\Path\Factory\PathFactoryInterface;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;

/**
 * Prevents any module from being uninstalled if update is in process.
 *
 * @internal
 *   This is an internal part of Package Manager and may be changed or removed
 *   at any time without warning. External code should not interact with this
 *   class.
 */
final class PackageManagerUninstallValidator implements ModuleUninstallValidatorInterface {
    use StringTranslationTrait;
    public function __construct(PathLocator $pathLocator, BeginnerInterface $beginner, StagerInterface $stager, CommitterInterface $committer, QueueFactory $queueFactory, EventDispatcherInterface $eventDispatcher, SharedTempStoreFactory $sharedTempStoreFactory, TimeInterface $time, PathFactoryInterface $pathFactory, FailureMarker $failureMarker) {
    }
    
    /**
     * {@inheritdoc}
     */
    public function validate($module) {
        $stage = new class ($this->pathLocator, $this->beginner, $this->stager, $this->committer, $this->queueFactory, $this->eventDispatcher, $this->sharedTempStoreFactory, $this->time, $this->pathFactory, $this->failureMarker) extends StageBase {

};
        $reasons = [];
        if (!$stage->isAvailable() && $stage->isApplying()) {
            $reasons[] = $this->t('Modules cannot be uninstalled while Package Manager is applying staged changes to the active code base.');
        }
        return $reasons;
    }

}