EntityFieldBase.php in GraphQL 8.3

Namespace

Drupal\graphql_core\Plugin\GraphQL\Fields

File

modules/graphql_core/src/Plugin/GraphQL/Fields/EntityFieldBase.php

<?php

namespace Drupal\graphql_core\Plugin\GraphQL\Fields;

use Drupal\Component\Render\MarkupInterface;
use Drupal\Core\Entity\ContentEntityInterface;
use Drupal\Core\Entity\Entity;
use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Field\FieldItemInterface;
use Drupal\graphql\GraphQL\Execution\ResolveContext;
use Drupal\graphql\Plugin\GraphQL\Fields\FieldPluginBase;
use GraphQL\Type\Definition\ResolveInfo;
use GraphQL\Type\Definition\ScalarType;
use GraphQL\Type\Definition\WrappingType;

/**
 * Base class for entity field plugins.
 */
class EntityFieldBase extends FieldPluginBase {

  /**
   * {@inheritdoc}
   */
  protected function resolveItem($item, array $args, ResolveContext $context, ResolveInfo $info) {
    if ($item instanceof FieldItemInterface) {
      $definition = $this
        ->getPluginDefinition();
      $property = $definition['property'];
      $result = $item
        ->get($property)
        ->getValue();
      $result = $result instanceof MarkupInterface ? $result
        ->__toString() : $result;
      $type = $info->returnType;
      $type = $type instanceof WrappingType ? $type
        ->getWrappedType(TRUE) : $type;
      if ($type instanceof ScalarType) {
        $result = is_null($result) ? NULL : $type
          ->serialize($result);
      }
      if ($result instanceof ContentEntityInterface && $result
        ->isTranslatable() && ($language = $context
        ->getContext('language', $info))) {
        if ($result
          ->hasTranslation($language)) {
          $result = $result
            ->getTranslation($language);
        }
      }
      return $result;
    }
  }

}

Classes

Name	Description
EntityFieldBase	Base class for entity field plugins.