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<?php |
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declare(strict_types=1); |
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namespace ApiSkeletons\Doctrine\ORM\GraphQL\Resolve; |
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use ApiSkeletons\Doctrine\ORM\GraphQL\Config; |
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use ApiSkeletons\Doctrine\ORM\GraphQL\Type\Entity\EntityTypeContainer; |
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use Doctrine\ORM\Proxy\DefaultProxyClassNameResolver; |
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use Doctrine\Persistence\Proxy; |
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use GraphQL\Error\Error; |
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use GraphQL\Type\Definition\ResolveInfo; |
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use function assert; |
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use function is_object; |
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use function spl_object_hash; |
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/** |
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* A field resolver that uses the Doctrine Laminas hydrator to extract values |
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*/ |
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class FieldResolver |
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{ |
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/** |
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* Cache all hydrator extract operations based on spl object hash |
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* |
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* @var mixed[] |
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*/ |
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private array $extractValues = []; |
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public function __construct( |
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protected readonly Config $config, |
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protected readonly EntityTypeContainer $entityTypeContainer, |
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) { |
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} |
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/** @throws Error */ |
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public function __invoke(mixed $source, mixed $args, mixed $context, ResolveInfo $info): mixed |
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{ |
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assert(is_object($source), 'A non-object was passed to the FieldResolver. ' |
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. 'Verify you\'re wrapping your Doctrine GraphQL type() call in a connection.'); |
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// Proxy objects cannot hydrate by reference without loading |
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if ($source instanceof Proxy) { |
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$source->__load(); |
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} |
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$defaultProxyClassNameResolver = new DefaultProxyClassNameResolver(); |
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$entityClass = $defaultProxyClassNameResolver->getClass($source); |
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$splObjectHash = spl_object_hash($source); |
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/** |
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* For disabled hydrator cache, store only the last hydrator result and reuse for consecutive calls |
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* then drop the cache if it doesn't hit. |
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*/ |
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if (! $this->config->getUseHydratorCache()) { |
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if (isset($this->extractValues[$splObjectHash])) { |
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return $this->extractValues[$splObjectHash][$info->fieldName] ?? null; |
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} |
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$this->extractValues = []; |
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$this->extractValues[$splObjectHash] = $this->entityTypeContainer |
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->get($entityClass) |
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->getHydrator()->extract($source); |
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return $this->extractValues[$splObjectHash][$info->fieldName] ?? null; |
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} |
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// Use full hydrator cache |
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if (isset($this->extractValues[$splObjectHash][$info->fieldName])) { |
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return $this->extractValues[$splObjectHash][$info->fieldName] ?? null; |
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} |
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$this->extractValues[$splObjectHash] = $this->entityTypeContainer |
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->get($entityClass) |
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->getHydrator()->extract($source); |
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return $this->extractValues[$splObjectHash][$info->fieldName] ?? null; |
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} |
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} |
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API-Skeletons /
doctrine-orm-graphql
