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<?php
namespace Drupal\graphql\Plugin\GraphQL\Interfaces;
use Drupal\Component\Plugin\PluginBase;
use Drupal\Core\Cache\Cache;
use Drupal\graphql\Plugin\GraphQL\Traits\CacheablePluginTrait;
use Drupal\graphql\Plugin\GraphQL\Traits\DescribablePluginTrait;
use Drupal\graphql\Plugin\SchemaBuilderInterface;
use Drupal\graphql\Plugin\TypePluginInterface;
use Drupal\graphql\Plugin\TypePluginManager;
use GraphQL\Type\Definition\InterfaceType;
abstract class InterfacePluginBase extends PluginBase implements TypePluginInterface {
use CacheablePluginTrait;
use DescribablePluginTrait;
public static function createInstance(SchemaBuilderInterface $builder, TypePluginManager $manager, $definition, $id) {
return new InterfaceType([
'name' => $definition['name'],
'description' => $definition['description'],
'contexts' => function () use ($builder, $definition) {
$types = $builder
->getSubTypes($definition['name']);
return array_reduce($types, function ($carry, $current) use ($builder) {
$type = $builder
->getType($current);
if (!empty($type->config['contexts'])) {
$contexts = $type->config['contexts'];
$contexts = is_callable($contexts) ? $contexts() : $contexts;
return Cache::mergeContexts($carry, $contexts);
}
return $carry;
}, $definition['contexts']);
},
'fields' => function () use ($builder, $definition) {
$fields = $builder
->getFields($definition['name']);
if (!empty($definition['interfaces'])) {
$inherited = array_map(function ($name) use ($builder) {
return $builder
->getFields($name);
}, $definition['interfaces']);
$inherited = call_user_func_array('array_merge', $inherited);
return array_merge($inherited, $fields);
}
return $fields;
},
'resolveType' => function ($value, $context, $info) use ($builder, $definition) {
return $builder
->resolveType($definition['name'], $value, $context, $info);
},
]);
}
public function getDefinition() {
$definition = $this
->getPluginDefinition();
return [
'name' => $definition['name'],
'description' => $this
->buildDescription($definition),
'interfaces' => $this
->buildInterfaces($definition),
'contexts' => $this
->buildCacheContexts($definition),
];
}
protected function buildInterfaces($definition) {
return $definition['interfaces'] ?: [];
}
}