Drupal\graphql\Plugin\GraphQL\Fields\FieldPluginBase

Complexity

Total Complexity

14

Size/Duplication

Total Lines	134
Duplicated Lines	13.43 %

Coupling/Cohesion

Components	2
Dependencies	8

Importance

Changes

0

7 Methods

Rating	Name	Duplication	Size	Complexity
A	getDefinition()	18	18	3
A	isSecure()	0	3	2
A	resolve()	0	3	1
A	resolveDeferred()	0	10	2
A	cacheable()	0	14	4
A	getCacheDependencies()	0	4	1
A	resolveValues()	0	4	1

<?php

namespace Drupal\graphql\Plugin\GraphQL\Fields;

use Drupal\Component\Plugin\PluginBase;
use Drupal\graphql\GraphQL\Cache\CacheableValue;
use Drupal\graphql\GraphQL\Field\Field;
use Drupal\graphql\GraphQL\SecureFieldInterface;
use Drupal\graphql\Plugin\GraphQL\PluggableSchemaBuilderInterface;
use Drupal\graphql\Plugin\GraphQL\Traits\ArgumentAwarePluginTrait;
use Drupal\graphql\Plugin\GraphQL\Traits\CacheablePluginTrait;
use Drupal\graphql\Plugin\GraphQL\Traits\NamedPluginTrait;
use Drupal\graphql\Plugin\GraphQL\TypeSystemPluginInterface;
use Youshido\GraphQL\Execution\DeferredResolver;
use Youshido\GraphQL\Execution\ResolveInfo;
use Youshido\GraphQL\Type\ListType\ListType;

/**
 * Base class for field plugins.
 */
abstract class FieldPluginBase extends PluginBase implements TypeSystemPluginInterface, SecureFieldInterface {
  use CacheablePluginTrait;
  use NamedPluginTrait;
  use ArgumentAwarePluginTrait;

  /**
   * The field instance.
   *
   * @var \Drupal\graphql\GraphQL\Field\Field
   */
  protected $definition;

  /**
   * {@inheritdoc}
   */
  public function getDefinition(PluggableSchemaBuilderInterface $schemaBuilder) {

This method seems to be duplicated in your project.

    if (!isset($this->definition)) {
      $definition = $this->getPluginDefinition();

      $config = [
        'name' => $this->buildName(),
        'description' => $this->buildDescription(),
        'type' => $this->buildType($schemaBuilder),
        'args' => $this->buildArguments($schemaBuilder),
        'isDeprecated' => !empty($definition['deprecated']),
        'deprecationReason' => !empty($definition['deprecated']) ? !empty($definition['deprecated']) : '',
      ];

      $this->definition = new Field($this, $schemaBuilder, $config);
    }

    return $this->definition;
  }

  /**
   * {@inheritdoc}
   */
  public function isSecure() {
    return isset($this->getPluginDefinition()['secure']) && $this->getPluginDefinition()['secure'];
  }

  /**
   * {@inheritdoc}
   */
  public function resolve($value, array $args, ResolveInfo $info) {
    return $this->resolveDeferred([$this, 'resolveValues'], $value, $args, $info);
  }

  /**
   * {@inheritdoc}
   */
  public function resolveDeferred(callable $callback, $value, array $args, ResolveInfo $info) {
    $result = $callback($value, $args, $info);
    if (is_callable($result)) {
      return new DeferredResolver(function () use ($result, $args, $info, $value) {
        return $this->resolveDeferred($result, $value, $args, $info);
      });
    }

    return $this->cacheable(iterator_to_array($result), $value, $args, $info);
  }

  /**
   * Wrap the result in a CacheableValue.
   *
   * @param array $result
   *   The field result.
   * @param mixed $value
   *   The parent value.
   * @param array $args
   *   The field arguments.
   * @param \Youshido\GraphQL\Execution\ResolveInfo $info
   *   The resolve info object.
   *
   * @return \Drupal\graphql\GraphQL\Cache\CacheableValue
   *   The cacheable value.
   */
  protected function cacheable(array $result, $value, array $args, ResolveInfo $info) {
    $dependencies = $this->getCacheDependencies($result, $value, $args, $info);
    // The field resolver may yield cache value wrappers. Unwrap them.
    $result = array_map(function ($item) {
      return $item instanceof CacheableValue ? $item->getValue() : $item;
    }, $result);

    if ($info->getReturnType()->getNullableType() instanceof ListType) {
      return new CacheableValue($result, $dependencies);
    }

    $result = !empty($result) ? reset($result) : NULL;
    return new CacheableValue($result, $dependencies);
  }

  /**
   * Retrieve the list of cache dependencies for a given value and arguments.
   *
   * @param array $result
   *   The result of the field.
   * @param mixed $parent
   *   The parent value.
   * @param array $args
   *   The arguments passed to the field.
   * @param \Youshido\GraphQL\Execution\ResolveInfo $info
   *   The resolve info object.
   *
   * @return array
   *   A list of cacheable dependencies.
   */
  protected function getCacheDependencies(array $result, $parent, array $args, ResolveInfo $info) {
    // Default implementation just returns the value itself.
    return $result;
  }

  /**
   * Retrieve the list of field values.
   *
   * Always returns a list of field values. Even for single value fields.
   * Single/multi field handling is responsibility of the base class.
   *
   * @param mixed $value
   *   The current object value.
   * @param array $args
   *   Field arguments.
   * @param \Youshido\GraphQL\Execution\ResolveInfo $info
   *   The resolve info object.
   *
   * @return \Generator
   *   The value generator.
   */
  protected function resolveValues($value, array $args, ResolveInfo $info) {
    // Allow overriding this class without having to declare this method.
    yield NULL;
  }

}