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<?php |
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declare(strict_types = 1); |
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/* |
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* This file is part of the FiveLab Resource package |
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* |
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* (c) FiveLab |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code |
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*/ |
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namespace FiveLab\Component\Resource\Serializer\Normalizer; |
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use Symfony\Component\PropertyAccess\PropertyAccessorInterface; |
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use Symfony\Component\PropertyInfo\PropertyTypeExtractorInterface; |
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use Symfony\Component\Serializer\Mapping\Factory\ClassMetadataFactoryInterface; |
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use Symfony\Component\Serializer\NameConverter\NameConverterInterface; |
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use Symfony\Component\Serializer\Normalizer\ObjectNormalizer as SymfonyObjectNormalizer; |
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/** |
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* Extend default object normalizer for add ability for run custom code before and after normalization |
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* and all ability for remove nullable attributes from structure. |
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* |
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* We should extend default symfony serializer for add ability for adding custom normalizers. |
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*/ |
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class ObjectNormalizer extends SymfonyObjectNormalizer |
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{ |
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/** |
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* @var bool |
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*/ |
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private $serializeNull; |
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/** |
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* Constructor. |
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* |
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* @param ClassMetadataFactoryInterface $classMetadataFactory |
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* @param NameConverterInterface $nameConverter |
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* @param PropertyAccessorInterface $propertyAccessor |
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* @param PropertyTypeExtractorInterface $propertyTypeExtractor |
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* @param bool $serializeNull |
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*/ |
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public function __construct(ClassMetadataFactoryInterface $classMetadataFactory = null, NameConverterInterface $nameConverter = null, PropertyAccessorInterface $propertyAccessor = null, PropertyTypeExtractorInterface $propertyTypeExtractor = null, bool $serializeNull = true) |
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{ |
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parent::__construct($classMetadataFactory, $nameConverter, $propertyAccessor, $propertyTypeExtractor); |
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$this->serializeNull = $serializeNull; |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @throws \InvalidArgumentException |
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* @throws \LogicException |
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*/ |
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public function normalize($object, $format = null, array $context = []): array |
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{ |
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// Call to before normalization callback |
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if (\array_key_exists('before_normalization', $context)) { |
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$beforeNormalization = $context['before_normalization']; |
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if (!\is_callable($beforeNormalization)) { |
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throw new \InvalidArgumentException(sprintf( |
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'Invalid callable for before normalization. "%s" given.', |
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\is_object($beforeNormalization) ? \get_class($beforeNormalization) : \gettype($beforeNormalization) |
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)); |
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} |
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$beforeNormalization($object, $format, $context); |
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} |
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// Normalize object |
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$data = parent::normalize($object, $format, $context); |
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if (!$this->serializeNull) { |
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$data = $this->removeNullableAttributes($data); |
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} |
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// Call to after normalization callback |
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if (\array_key_exists('after_normalization', $context)) { |
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$afterNormalization = $context['after_normalization']; |
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if (!\is_callable($afterNormalization)) { |
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throw new \InvalidArgumentException(sprintf( |
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'Invalid callable for after normalization. "%s" given.', |
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\is_object($afterNormalization) ? \get_class($afterNormalization) : \gettype($afterNormalization) |
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)); |
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} |
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$data = $afterNormalization($data, $object, $format, $context); |
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if (!\is_array($data)) { |
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throw new \LogicException(sprintf( |
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'The after normalization callback should return array, but "%s" given.', |
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\is_object($data) ? \get_class($data) : \gettype($data) |
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)); |
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} |
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} |
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return $data; |
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} |
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/** |
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* Remove nullable attributes |
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* |
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* @param array $data |
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* |
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* @return array |
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*/ |
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private function removeNullableAttributes(array $data): array |
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{ |
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return \array_filter($data, static function ($value) { |
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return (bool) $value; |
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}); |
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} |
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} |
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FiveLab /
Resource
