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<?php |
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namespace Malef\Associate\DoctrineOrm\Loader\LoadingStrategy; |
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use Doctrine\Common\Collections\ArrayCollection; |
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use Doctrine\ORM\PersistentCollection; |
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use Malef\Associate\DoctrineOrm\Loader\ChunkingStrategy\ChunkingStrategy; |
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use Malef\Associate\DoctrineOrm\Metadata\AssociationMetadataAdapter; |
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use Symfony\Component\PropertyAccess\PropertyAccess; |
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class ToManyAssociationLoadingStrategy implements AssociationLoadingStrategyInterface |
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{ |
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/** |
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* @var \Malef\Associate\DoctrineOrm\Loader\ChunkingStrategy\ChunkingStrategy |
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*/ |
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protected $chunkingStrategy; |
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public function __construct(ChunkingStrategy $chunkingStrategy) |
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{ |
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$this->chunkingStrategy = $chunkingStrategy; |
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} |
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public function supports(AssociationMetadataAdapter $associationMetadataAdapter): bool |
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{ |
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return $associationMetadataAdapter->isToMany(); |
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} |
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public function load(ArrayCollection $sourceEntities, AssociationMetadataAdapter $associationMetadataAdapter): void |
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{ |
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if ($sourceEntities->isEmpty()) { |
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return; |
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} |
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$sourceClassMetadataAdapter = $associationMetadataAdapter->getSourceClassMetadataAdapter(); |
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// TODO Clean this up. What other situations need to be handled? What about uninitialized proxies here? |
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$propertyAccessor = PropertyAccess::createPropertyAccessor(); |
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$filteredSourceIdentities = $sourceEntities->filter( |
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function ($sourceEntity) use ($propertyAccessor, $associationMetadataAdapter) { |
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$propertyValue = $propertyAccessor->getValue($sourceEntity, $associationMetadataAdapter->getName()); |
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return $propertyValue instanceof PersistentCollection && !$propertyValue->isInitialized(); |
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} |
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); |
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// TODO For initialized collections we should probably check if all items are initialized. |
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foreach ($this->chunkingStrategy->chunk($filteredSourceIdentities) as $entityChunk) { |
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$queryBuilder = $sourceClassMetadataAdapter->createQueryBuilder('s'); |
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$queryBuilder |
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->select( |
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sprintf('PARTIAL s.{%s}', $sourceClassMetadataAdapter->getIdentifierFieldName()), |
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't' |
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) |
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->leftJoin( |
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sprintf('s.%s', $associationMetadataAdapter->getName()), |
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't' |
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) |
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->andWhere( |
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$queryBuilder->expr()->in( |
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's', |
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$sourceClassMetadataAdapter->getIdentifierValueForMany($entityChunk)->getValues() |
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) |
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) |
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->getQuery() |
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->execute(); |
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} |
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} |
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} |
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malef /
associate
