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<?php |
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/** |
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* Class for exclusion strategies. |
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*/ |
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namespace Graviton\RestBundle\ExclusionStrategy; |
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use JMS\Serializer\Exclusion\ExclusionStrategyInterface; |
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use JMS\Serializer\Metadata\ClassMetadata; |
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use JMS\Serializer\Metadata\PropertyMetadata; |
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use JMS\Serializer\Context; |
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use Symfony\Component\HttpFoundation\RequestStack; |
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use Xiag\Rql\Parser\Query; |
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/** |
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* In this Strategy we skip all properties on first level who are not selected if there is a select in rql. |
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* |
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* @author List of contributors <https://github.com/libgraviton/graviton/graphs/contributors> |
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* @license http://opensource.org/licenses/gpl-license.php GNU Public License |
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* @link http://swisscom.ch |
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*/ |
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class SelectExclusionStrategy implements ExclusionStrategyInterface |
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{ |
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/** |
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* @var RequestStack $requestStack |
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*/ |
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protected $requestStack; |
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/** |
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* for injection of the global request_stack to access the XiagQuery-Object |
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* @param RequestStack $requestStack the global request_stack |
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* @return void |
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*/ |
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public function setRequestStack(RequestStack $requestStack) |
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{ |
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$this->requestStack = $requestStack; |
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} |
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/** |
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* @InheritDoc: Whether the class should be skipped. |
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* @param ClassMetadata $metadata the ClassMetadata for the Class of the property to be serialized |
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* @param Context $navigatorContext the context for serialization |
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* @return boolean |
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*/ |
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public function shouldSkipClass(ClassMetadata $metadata, Context $navigatorContext) |
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{ |
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return false; |
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} |
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/** |
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* @InheritDoc: Whether the property should be skipped. |
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* Skipping properties on first level who are not selected if there is a select in rql. |
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* @param PropertyMetadata $property the property to be serialized |
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* @param Context $context the context for serialization |
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* @return boolean |
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*/ |
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public function shouldSkipProperty(PropertyMetadata $property, Context $context) |
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{ |
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// we are only dealing with the first level of the JSON here |
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if ($context->getDepth() > 1) { |
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return false; |
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} |
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$return = false; |
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$xiagQuery = $this->requestStack->getCurrentRequest()->get('rqlQuery'); |
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if ($xiagQuery && $xiagQuery instanceof Query) { |
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$select = $xiagQuery->getSelect(); |
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if ($select) { |
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$return = ! in_array($property->name, $select->getFields()); |
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} |
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} |
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return $return; |
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} |
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} |
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libgraviton /
graviton
