class NodeType

class NodeType extends ConfigEntityBundleBase implements NodeTypeInterface {
  
  /**
   * The machine name of this node type.
   *
   * @var string
   *
   * @todo Rename to $id.
   */
  protected $type;
  
  /**
   * The human-readable name of the node type.
   *
   * @var string
   *
   * @todo Rename to $label.
   */
  protected $name;
  
  /**
   * A brief description of this node type.
   *
   * @var string|null
   */
  protected $description = NULL;
  
  /**
   * Help information shown to the user when creating a Node of this type.
   *
   * @var string|null
   */
  protected $help = NULL;
  
  /**
   * Default value of the 'Create new revision' checkbox of this node type.
   *
   * @var bool
   */
  protected $new_revision = TRUE;
  
  /**
   * The preview mode.
   *
   * @var int
   */
  protected $preview_mode = NodePreviewMode::Optional->value;
  
  /**
   * Display setting for author and date Submitted by post information.
   *
   * @var bool
   */
  protected $display_submitted = TRUE;
  
  /**
   * {@inheritdoc}
   */
  public function id() {
    return $this->type;
  }
  
  /**
   * {@inheritdoc}
   */
  public function isLocked() {
    $locked = \Drupal::state()->get('node.type.locked');
    return $locked[$this->id()] ?? FALSE;
  }
  
  /**
   * {@inheritdoc}
   */
  public function setNewRevision($new_revision) {
    $this->new_revision = $new_revision;
  }
  
  /**
   * {@inheritdoc}
   */
  public function displaySubmitted() {
    return $this->display_submitted;
  }
  
  /**
   * {@inheritdoc}
   */
  public function setDisplaySubmitted($display_submitted) {
    $this->display_submitted = $display_submitted;
  }
  
  /**
   * {@inheritdoc}
   */
  public function getPreviewMode(bool $returnAsInt = TRUE) {
    $previewMode = NodePreviewMode::from($this->preview_mode);
    if ($returnAsInt) {
      @trigger_error('Calling ' . __METHOD__ . ' with the $returnAsInt parameter is deprecated in drupal:11.3.0 and is removed in drupal:13.0.0. See https://www.drupal.org/node/3538666', E_USER_DEPRECATED);
      return $previewMode->value;
    }
    return $previewMode;
  }
  
  /**
   * {@inheritdoc}
   */
  public function setPreviewMode($preview_mode) {
    if (!$preview_mode instanceof NodePreviewMode) {
      @trigger_error('Calling ' . __METHOD__ . ' with an integer $preview_mode parameter is deprecated in drupal:11.3.0 and is removed in drupal:13.0.0. Use the \\Drupal\\node\\NodePreviewMode enum instead. See https://www.drupal.org/node/3538666', E_USER_DEPRECATED);
      $this->preview_mode = $preview_mode;
      return;
    }
    $this->preview_mode = $preview_mode->value;
  }
  
  /**
   * {@inheritdoc}
   */
  public function getHelp() {
    return $this->help ?? '';
  }
  
  /**
   * {@inheritdoc}
   */
  public function getDescription() {
    return $this->description ?? '';
  }
  
  /**
   * {@inheritdoc}
   */
  public function postSave(EntityStorageInterface $storage, $update = TRUE) {
    parent::postSave($storage, $update);
    if ($update) {
      // Clear the cached field definitions as some settings affect the field
      // definitions.
      \Drupal::service('entity_field.manager')->clearCachedFieldDefinitions();
    }
  }
  
  /**
   * {@inheritdoc}
   */
  public static function postDelete(EntityStorageInterface $storage, array $entities) {
    parent::postDelete($storage, $entities);
    // Clear the node type cache to reflect the removal.
    $storage->resetCache(array_keys($entities));
  }
  
  /**
   * {@inheritdoc}
   */
  public function shouldCreateNewRevision() {
    return $this->new_revision;
  }

}