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<?php |
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namespace Drupal\graphql\Plugin\GraphQL\Unions; |
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use Drupal\Component\Plugin\PluginBase; |
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use Drupal\graphql\GraphQL\Type\UnionType; |
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use Drupal\graphql\Plugin\GraphQL\PluggableSchemaBuilderInterface; |
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use Drupal\graphql\Plugin\GraphQL\Traits\CacheablePluginTrait; |
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use Drupal\graphql\Plugin\GraphQL\Traits\NamedPluginTrait; |
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use Drupal\graphql\Plugin\GraphQL\TypeSystemPluginInterface; |
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/** |
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* Base class for GraphQL union type plugins. |
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*/ |
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abstract class UnionTypePluginBase extends PluginBase implements TypeSystemPluginInterface { |
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use CacheablePluginTrait; |
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use NamedPluginTrait; |
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/** |
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* The type instance. |
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* |
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* @var \Drupal\graphql\GraphQL\Type\UnionType |
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*/ |
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protected $definition; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getDefinition(PluggableSchemaBuilderInterface $schemaBuilder) { |
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if (!isset($this->definition)) { |
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$name = $this->buildName(); |
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$this->definition = new UnionType($this, [ |
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'name' => $name, |
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'description' => $this->buildDescription(), |
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'types' => $this->buildTypes($schemaBuilder, $name), |
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]); |
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} |
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return $this->definition; |
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} |
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/** |
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* Builds the list of types that are contained within this union type. |
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* |
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* @param \Drupal\graphql\Plugin\GraphQL\PluggableSchemaBuilderInterface $schemaBuilder |
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* The schema manager. |
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* @param $name |
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* The name of this plugin. |
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* |
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* @return \Drupal\graphql\GraphQL\Type\ObjectType[] |
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* An array of types to add to this union type. |
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*/ |
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protected function buildTypes(PluggableSchemaBuilderInterface $schemaBuilder, $name) { |
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/** @var \Drupal\graphql\GraphQL\Type\ObjectType[] $types */ |
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$types = array_map(function (TypeSystemPluginInterface $type) use ($schemaBuilder) { |
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return $type->getDefinition($schemaBuilder); |
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}, $schemaBuilder->find(function ($type) use ($name) { |
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return in_array($name, $type['unions']); |
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}, [ |
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GRAPHQL_TYPE_PLUGIN, |
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])); |
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return $types; |
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} |
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} |
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drupal-graphql /
graphql
