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<?php |
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namespace Realshadow\RequestDeserializer\Http\Request; |
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use Realshadow\RequestDeserializer\Contracts\RequestInterface; |
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use JMS\Serializer\DeserializationContext; |
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use JMS\Serializer\Serializer; |
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/** |
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* Handles incomming requests |
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* |
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* @package Realshadow\RequestDeserializer\Http\Request |
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* @author Lukáš Homza <[email protected]> |
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*/ |
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class RequestHandler |
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{ |
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/** |
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* @var Serializer $serializer |
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*/ |
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private $serializer; |
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/** |
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* @var RequestInterface $entity |
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*/ |
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private $entity; |
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/** |
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* @var int $argumentPosition |
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*/ |
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private $argumentPosition = 0; |
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/** |
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* @var bool $bound |
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*/ |
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private $bound = false; |
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/** |
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* @param Serializer $serializer |
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*/ |
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public function __construct(Serializer $serializer) |
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{ |
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$this->serializer = $serializer; |
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} |
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/** |
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* Method will deserialize request content and bind it to the provided entity |
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* |
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* @param string $entityClass |
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* @param string $content |
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* @param DeserializationContext $context |
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*/ |
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public function deserialize($entityClass, $content, DeserializationContext $context = null) |
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{ |
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if ( ! $context) { |
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$context = DeserializationContext::create() |
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->setVersion(call_user_func($entityClass . '::getVersionConstraint')); |
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} |
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if ( ! $content) { |
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$content = '{}'; |
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} |
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$this->entity = $this->serializer->deserialize($content, $entityClass, 'json', $context); |
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$this->bound = true; |
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} |
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/** |
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* Hydrating request objects from arrays |
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* |
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* @param string $entityClass |
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* @param array $content |
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*/ |
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public function hydrate($entityClass, array $content) |
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{ |
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$context = DeserializationContext::create() |
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->setSerializeNull(false) |
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->setVersion(call_user_func($entityClass . '::getVersionConstraint')) |
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->setAttribute( |
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RequestDeserializationHandler::NO_VALIDATE, |
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! call_user_func($entityClass . '::shouldValidate') |
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); |
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$this->deserialize($entityClass, json_encode($content), $context); |
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} |
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/** |
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* Position of our entity in method parameters |
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* |
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* @param int $position |
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* @return $this |
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*/ |
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public function setArgumentPosition($position) |
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{ |
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$this->argumentPosition = $position; |
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return $this; |
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} |
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/** |
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* Get the deserialized entity |
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* |
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* @return null|RequestInterface |
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*/ |
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public function getBoundRequest() |
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{ |
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return $this->entity; |
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} |
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/** |
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* Did we manage to find an entity for this request? |
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* |
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* @return bool |
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*/ |
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public function isBound() |
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{ |
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return $this->bound; |
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} |
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/** |
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* We inject our deserialized entity into method parameters |
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* |
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* @param $parameters |
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* @return array |
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*/ |
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public function bindRequest(array $parameters) |
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{ |
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# -- recalculate due to mixed keys |
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$parameters = array_values($parameters); |
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if ($parameters !== null && is_array($parameters)) { |
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$parameters[$this->argumentPosition] = $this->entity; |
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} |
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return $parameters; |
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} |
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} |
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realshadow /
request-deserializer
