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<?php |
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namespace Malef\Associate\DoctrineOrm\Metadata; |
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use Doctrine\Common\Collections\ArrayCollection; |
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use Doctrine\ORM\EntityManagerInterface; |
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use Doctrine\ORM\EntityRepository; |
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use Doctrine\ORM\Mapping\ClassMetadata; |
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use Malef\Associate\AssociateException; |
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class MetadataAdapterProvider |
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{ |
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/** |
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* @var EntityManagerInterface |
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*/ |
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protected $entityManager; |
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/** |
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* @var (ClassMetadataAdapter|null)[] |
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*/ |
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protected $classMetadataAdapters = []; |
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public function __construct(EntityManagerInterface $entityManager) |
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{ |
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$this->entityManager = $entityManager; |
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} |
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/** |
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* @throws AssociateException |
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*/ |
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public function getClassNameForEntities(ArrayCollection $objects): string |
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{ |
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if ($objects->isEmpty()) { |
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throw new AssociateException(); |
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} |
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$firstObject = $objects->first(); |
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$classMetadataAdapter = $this->getClassMetadataAdapterByClassName(get_class($firstObject)); |
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if (!$classMetadataAdapter instanceof ClassMetadataAdapter) { |
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throw new AssociateException(); |
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} |
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$commonClassName = $classMetadataAdapter->getClassName(); |
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foreach ($objects->slice(1) as $object) { |
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if (is_a($object, $commonClassName, true)) { |
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continue; |
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} |
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$commonClassName = $classMetadataAdapter->getRootClassName(); |
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if (!is_a($object, $commonClassName, true)) { |
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throw new AssociateException(); |
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} |
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} |
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return $commonClassName; |
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} |
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/** |
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* @throws \Exception |
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*/ |
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public function getClassMetadataAdapterByClassName(string $className): ?ClassMetadataAdapter |
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{ |
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if (!array_key_exists($className, $this->classMetadataAdapters)) { |
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$this->initializeClassMetadataAdapterByClassName($className); |
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} |
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return $this->classMetadataAdapters[$className]; |
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} |
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/** |
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* @throws AssociateException |
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*/ |
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protected function initializeClassMetadataAdapterByClassName(string $className): void |
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{ |
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$classMetadata = $this->entityManager->getClassMetadata($className); |
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if (!$classMetadata instanceof ClassMetadata) { |
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$this->classMetadataAdapters[$className] = null; |
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return; |
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} |
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$entityRepository = $this->entityManager->getRepository($className); |
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if (!$entityRepository instanceof EntityRepository) { |
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throw new AssociateException(); |
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} |
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$this->classMetadataAdapters[$className] = new ClassMetadataAdapter($this, $entityRepository, $classMetadata); |
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} |
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} |
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malef /
associate
