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<?php |
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namespace Psi\Bridge\ContentType\Doctrine\PhpcrOdm\Subscriber; |
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use Doctrine\Common\EventSubscriber; |
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use Doctrine\Common\Persistence\Event\LifecycleEventArgs; |
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use Doctrine\Common\Persistence\Event\ManagerEventArgs; |
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use Doctrine\Common\Util\ClassUtils; |
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use Doctrine\ODM\PHPCR\Event; |
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use Doctrine\ODM\PHPCR\Mapping\ClassMetadata; |
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use Metadata\MetadataFactory; |
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use Metadata\MetadataFactoryInterface; |
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use PHPCR\Util\PathHelper; |
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use Psi\Bridge\ContentType\Doctrine\PhpcrOdm\PropertyEncoder; |
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/** |
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* This class provides exception messages for cases when the collection |
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* identifier updater has not been invoked. |
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* |
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* It is purely for debugging purposes and may safely be disabled. |
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*/ |
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class CollectionSubscriber implements EventSubscriber |
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{ |
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private $metadataFactory; |
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private $encoder; |
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private $stack = []; |
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public function __construct( |
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MetadataFactoryInterface $metadataFactory, |
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PropertyEncoder $encoder |
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) { |
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$this->metadataFactory = $metadataFactory; |
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$this->encoder = $encoder; |
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} |
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public function getSubscribedEvents() |
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{ |
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return [ |
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Event::prePersist, |
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Event::preFlush, |
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]; |
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} |
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public function preFlush(ManagerEventArgs $args) |
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{ |
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if (empty($this->stack)) { |
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return; |
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} |
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$metadataFactory = $args->getObjectManager()->getMetadataFactory(); |
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foreach ($this->stack as $data) { |
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$children = $data['children']; |
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$ctMetadata = $data['ct_metadata']; |
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$childrenField = $data['field']; |
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$index = 0; |
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foreach ($children as $child) { |
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$childMetadata = $metadataFactory->getMetadataFor(ClassUtils::getRealClass(get_class($child))); |
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$expectedId = $this->encoder->encode($childrenField, $index++); |
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$identifier = $childMetadata->getIdentifierValue($child); |
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$idGenerator = $childMetadata->idGenerator; |
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if ($idGenerator !== ClassMetadata::GENERATOR_TYPE_ASSIGNED) { |
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throw new \InvalidArgumentException(sprintf( |
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'Currently, all documents which belong to a mapped collection must use the ' . |
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'assigned ID generator strategy, "%s" is using "%s".', |
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$childMetadata->getName(), $idGenerator |
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)); |
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} |
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if (!$identifier || PathHelper::getNodeName($identifier) !== $expectedId) { |
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throw new \InvalidArgumentException(sprintf( |
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'Child mapped to content type "%s" on field "%s" has an unexpected ID "%s". ' . |
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'It is currently necessary to envoke the CollectionIdentifierUpdater on all ' . |
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'documents (at least those which have collections) before they are persisted.', |
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$ctMetadata->getType(), |
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$childrenField, |
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$identifier |
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)); |
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} |
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} |
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} |
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} |
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public function prePersist(LifecycleEventArgs $args) |
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{ |
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$document = $args->getObject(); |
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$metadataFactory = $args->getObjectManager()->getMetadataFactory(); |
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$odmMetadata = $metadataFactory->getMetadataFor(ClassUtils::getRealClass(get_class($document))); |
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if (null === $ctMetadata = $this->metadataFactory->getMetadataForClass($odmMetadata->getName())) { |
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return; |
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} |
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foreach ($odmMetadata->childrenMappings as $childrenField) { |
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// if the children field is not managed by the CT component, |
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// continue |
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if (!isset($ctMetadata->propertyMetadata[$childrenField])) { |
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continue; |
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} |
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$childCtMetadata = $ctMetadata->propertyMetadata[$childrenField]; |
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$children = $odmMetadata->getFieldValue($document, $childrenField); |
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if (!$children) { |
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continue; |
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} |
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$this->stack[] = [ |
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'children' => $children, |
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'ct_metadata' => $childCtMetadata, |
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'field' => $childrenField, |
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]; |
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} |
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} |
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} |
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