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<?php |
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namespace Vox\Serializer; |
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use Metadata\MetadataFactoryInterface; |
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use RuntimeException; |
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use Symfony\Component\Serializer\Normalizer\NormalizerAwareInterface; |
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use Symfony\Component\Serializer\Normalizer\NormalizerInterface; |
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use Vox\Data\Mapping\Bindings; |
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use Vox\Data\Mapping\Exclude; |
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use Vox\Metadata\ClassMetadata; |
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use Vox\Metadata\PropertyMetadata; |
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/** |
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* A data normalized aimed to be used with symfony serializer component |
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* |
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* @author Jhonatan Teixeira <[email protected]> |
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*/ |
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class Normalizer implements NormalizerInterface, NormalizerAwareInterface |
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{ |
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/** |
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* @var MetadataFactoryInterface |
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*/ |
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private $metadataFactory; |
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/** |
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* @var NormalizerInterface |
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*/ |
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private $normalizer; |
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/** |
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* @var \SplObjectStorage |
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*/ |
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private $storage; |
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public function __construct(MetadataFactoryInterface $metadataFactory) |
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{ |
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$this->metadataFactory = $metadataFactory; |
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$this->clear(); |
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} |
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public function normalize($object, $format = null, array $context = []) |
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{ |
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if ($this->storage->offsetExists($object)) { |
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return $this->storage[$object]; |
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} |
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$data = $this->extractData($object, $format, $context); |
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return $data; |
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} |
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private function extractData($object, string $format = null, array $context = []): array |
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{ |
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$objectMetadata = $this->metadataFactory->getMetadataForClass(get_class($object)); |
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if (!$objectMetadata instanceof ClassMetadata) { |
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throw new RuntimeException('invalid metadata class'); |
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} |
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$data = []; |
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if ($objectMetadata->reflection->getParentClass()) { |
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$data['type'] = get_class($object); |
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} |
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/* @var $propertyMetadata PropertyMetadata */ |
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foreach ($objectMetadata->propertyMetadata as $propertyMetadata) { |
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$binding = $propertyMetadata->getAnnotation(Bindings::class); |
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$value = $propertyMetadata->getValue($object); |
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if ($propertyMetadata->hasAnnotation(Exclude::class) |
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&& $propertyMetadata->getAnnotation(Exclude::class)->output) { |
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continue; |
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} |
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if ((is_array($value) || $value instanceof \Traversable) |
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&& (preg_match('/\[\]$/', $propertyMetadata->type) || $propertyMetadata->type == 'array')) { |
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$items = []; |
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foreach ($value as $index => $item) { |
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$items[$index] = $this->normalizeIfSupported($item, $format, $context); |
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} |
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$value = $items; |
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} |
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if (is_object($value)) { |
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$value = $this->normalizeIfSupported($value, $format, $context); |
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} |
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$target = $binding |
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? ($binding->target ?? $binding->source ?? $propertyMetadata->name) |
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: $propertyMetadata->name; |
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if (preg_match('/\./', $target)) { |
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$path = implode("']['", explode('.', sprintf("['%s']", $target))); |
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eval("\$data$path = \$value;"); |
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} else { |
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$data[$target] = $value; |
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} |
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} |
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$this->storage[$object] = $data; |
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return $data; |
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} |
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private function normalizeIfSupported($value, string $format = null, array $context = []) |
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{ |
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if (isset($this->normalizer)) { |
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return $this->normalizer->normalize($value, $format, $context); |
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} |
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if ($this->supportsNormalization($value)) { |
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return $this->normalize($value, $format, $context); |
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} |
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return $value; |
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} |
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public function supportsNormalization($data, $format = null): bool |
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{ |
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return is_object($data) && !$data instanceof \DateTime; |
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} |
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public function setNormalizer(NormalizerInterface $normalizer) |
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{ |
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$this->normalizer = $normalizer; |
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} |
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public function clear() |
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{ |
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$this->storage = new \SplObjectStorage(); |
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} |
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} |
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jhonatanTeixeira /
restfull-client-orm
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