media_library_extend_crowdriff-1.x-dev/src/CrowdriffUninstallValidator.php

<?php

namespace Drupal\media_library_extend_crowdriff;

use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Extension\ModuleUninstallValidatorInterface;
use Drupal\Core\StringTranslation\StringTranslationTrait;
use Drupal\Core\StringTranslation\TranslationInterface;
use Drupal\Core\Url;

/**
 * Crowdriff module uninstall validator service.
 */
class CrowdriffUninstallValidator implements ModuleUninstallValidatorInterface {

  use StringTranslationTrait;

  /**
   * The entity type manager.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
   */
  protected $entityTypeManager;

  /**
   * Constructs a new CrowdriffUninstallValidator.
   *
   * @param \Drupal\Core\StringTranslation\TranslationInterface $string_translation
   *   The string translation service.
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
   *   The entity type manager.
   */
  public function __construct(TranslationInterface $string_translation, EntityTypeManagerInterface $entity_type_manager) {
    $this->stringTranslation = $string_translation;
    $this->entityTypeManager = $entity_type_manager;
  }

  /**
   * {@inheritdoc}
   */
  public function validate($module): array {
    $reasons = [];

    if ($module == 'media_library_extend_crowdriff' && $this->crowdriffMediaExists()) {
      $reasons[] = $this->t('Crowdriff media entities found. Please delete before uninstallation. <a href=":link">Delete assets</a>', [
        ':link' => Url::fromRoute('media_library_extend_crowdriff.delete_assets', [], [
          'query' => [
            'destination' => Url::fromRoute('system.modules_uninstall')
              ->toString(),
          ],
        ])
          ->toString(),
      ]);
    }

    return $reasons;
  }

  /**
   * Check if content available for Crowdriff media types.
   *
   * @return bool
   *   TRUE if there are Crowdriff media entities, FALSE otherwise.
   *
   * @throws \Drupal\Component\Plugin\Exception\InvalidPluginDefinitionException
   * @throws \Drupal\Component\Plugin\Exception\PluginNotFoundException
   */
  protected function crowdriffMediaExists(): bool {
    // Get query.
    $query = $this->entityTypeManager->getStorage('media')->getQuery();
    $query = $query
      ->accessCheck(FALSE)
      ->condition('bundle', ['crowdriff_image', 'crowdriff_video'], 'IN');

    // Get array of entity ids.
    $ids = $query->execute();
    if (!empty($ids)) {
      return TRUE;
    }
    else {
      return FALSE;
    }
  }

}