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<?php |
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namespace Pgs\ElasticOM\Hydrator; |
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use Pgs\ElasticOM\Annotation\ClassMetadata; |
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use Pgs\ElasticOM\Extractor; |
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use Pgs\ElasticOM\ObjectPool; |
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use Pgs\ElasticOM\ReflectionSingleton; |
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use Zend\Hydrator\AbstractHydrator; |
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use Zend\Hydrator\Reflection; |
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class Hydrator |
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{ |
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/** @var Extractor */ |
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protected $extractor; |
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/** @var AbstractHydrator */ |
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protected $hydrator; |
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/** @var ObjectPool */ |
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protected $objectPool; |
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public function __construct(Extractor $extractor, AbstractHydrator $hydrator, ObjectPool $objectPool) |
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{ |
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$this->extractor = $extractor; |
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$this->hydrator = $hydrator; |
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$this->objectPool = $objectPool; |
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} |
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public function getIdName(string $entity): string |
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{ |
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return $this->extractor->getIdName($entity); |
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} |
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public function hydrate(array $data, $object) |
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{ |
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if (!is_object($object)) { |
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throw new \InvalidArgumentException('Missing object to hydrate'); |
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} |
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$class = get_class($object); |
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$metadata = ClassMetadata::getRawConfig($class); |
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$nested = array_filter($metadata, function ($item) { |
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return array_key_exists('targetClass', $item); |
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}); |
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$this->processNested($nested, $data); |
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return $this->hydrator->hydrate( |
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array_intersect_key( |
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$data, |
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array_flip($this->extractor->getFieldNames($class)) |
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), |
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$object |
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); |
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} |
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protected function processNested(array $config, array &$data) |
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{ |
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foreach (array_intersect_key($config, $data) as $field => $metadata) { |
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$idField = array_keys(array_filter( |
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$metadata['properties'], |
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function ($item) { |
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return array_key_exists('idField', $item); |
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} |
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)); |
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$idField = reset($idField); |
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$data[$field] = $this->getObject($data[$field], $idField, $metadata['targetClass']); |
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} |
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} |
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protected function getObject(array $data, string $idField, string $class) |
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{ |
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$object = $this->objectPool->get($idField, $class); |
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if (!$object) { |
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$object = ReflectionSingleton::getInstance($class)->newInstanceWithoutConstructor(); |
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$this->hydrate($data, $object); |
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$this->objectPool->add($idField, $object); |
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} |
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return $object; |
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} |
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public function extract($object, bool $rootLevel = true): array |
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{ |
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$this->hydrator = new Reflection(); |
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$this->hydrator->addStrategy('*', new HydrationStrategy($this)); |
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if ($rootLevel) { |
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$this->hydrator->addFilter('id', function ($property) use ($object) { |
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return |
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in_array($property, $this->extractor->getFieldNames(get_class($object)), true) |
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&& $property !== $this->extractor->getIdName(get_class($object)); |
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}); |
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} |
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return $this->hydrator->extract($object); |
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} |
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} |
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PGSSoft /
ElasticOM
