butils-8.x-1.x-dev/src/ParagraphsTrait.php

<?php

namespace Drupal\butils;

use Drupal\paragraphs\Entity\Paragraph;
use Drupal\node\NodeInterface;
use Drupal\paragraphs\ParagraphInterface;

/**
 * Trait ParagraphsTrait.
 *
 * Paragraphs related utils.
 */
trait ParagraphsTrait {

  /**
   * Delete nested paragraphs recursively.
   *
   * @param array $field_values
   *   Field for recursive handling.
   */
  public function deleteParagraphsRecurively(array $field_values) {
    foreach ($field_values as $value) {
      if (!empty($value['target_id']) && !empty($value['target_id'])) {
        $paragraph = Paragraph::load($value['target_id']);
        if (empty($paragraph)) {
          continue;
        }
        $field_definitions = $this->entityFieldManager->getFieldDefinitions($paragraph->getEntityTypeId(), $paragraph->bundle());
        foreach ($field_definitions as $field_definition) {
          if ($field_definition->getType() === 'entity_reference_revisions') {
            $values = $paragraph->get($field_definition->getName())->getValue();
            if (!empty($values)) {
              $this->deleteParagraphsRecurively($values);
            }
          }
        }
        $paragraph->delete();
      }
    }
  }

  /**
   * Gets paragraphs parent node.
   *
   * @param object $entity
   *   Parent entity.
   *
   * @return \Drupal\Core\Entity\EntityInterface
   *   Result.
   */
  public function paragraphParentNode($entity) {
    if ($entity instanceof NodeInterface) {
      return $entity;
    }
    elseif ($entity && method_exists($entity, 'getParentEntity')) {
      $parent = $entity->getParentEntity();
      return $this->paragraphParentNode($parent);
    }

    return NULL;
  }

}