epub_reader_framework-2.0.0-alpha2/src/Epub/ReaderEpubCompletedCleanup.php

<?php

namespace Drupal\epub_reader_framework\Epub;

use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\node\NodeInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Post epub conversion cleanup of no longer existing chapters.
 */
class ReaderEpubCompletedCleanup {

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

  /**
   * Constructor.
   *
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
   *   The entity type manager service.
   */
  public function __construct(EntityTypeManagerInterface $entity_type_manager) {
    $this->entityTypeManager = $entity_type_manager;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static(
      $container->get('entity_type.manager')
    );
  }

  /**
   * Clean up automated chapters that no longer exist.
   *
   * @param \Drupal\node\NodeInterface $reader_publication
   *   The reader publication node.
   * @param array $chapter_ids
   *   An array of chapter IDs from the EPUB spine.
   *
   * @throws \Drupal\Component\Plugin\Exception\InvalidPluginDefinitionException
   * @throws \Drupal\Component\Plugin\Exception\PluginNotFoundException
   * @throws \Drupal\Core\Entity\EntityStorageException
   */
  public function cleanupChapters(
    NodeInterface $reader_publication,
    array $chapter_ids
  ) {
    $node_storage = $this->entityTypeManager->getStorage('node');

    // Find the automated chapters that are not longer part of the EPUB and
    // delete them.
    $orphaned_chapter_ids = $node_storage->getQuery()
      ->condition('type', 'reader_chapter')
      ->condition('field_reader_publication', $reader_publication->id())
      ->condition('field_reader_chapter_automated', TRUE)
      ->condition('field_reader_chapter_epub_id', $chapter_ids, 'NOT IN')
      ->accessCheck()
      ->execute();
    if ($orphaned_chapter_ids && $orphaned_chapters = $node_storage->loadMultiple($orphaned_chapter_ids)) {
      foreach ($orphaned_chapters as $orphaned_chapter) {
        $orphaned_chapter->delete();
      }
    }
  }

}