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<?php |
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/** |
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* This file is part of the sauls/object-registry-bundle package. |
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* |
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* @author Saulius Vaičeliūnas <[email protected]> |
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* @link http://saulius.vaiceliunas.lt |
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* @copyright 2018 |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Sauls\Bundle\ObjectRegistryBundle\Manager; |
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use Doctrine\ORM\EntityManagerInterface; |
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use Psr\Log\LoggerInterface; |
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use Sauls\Bundle\ObjectRegistryBundle\Batch\Operation\OperationInterface; |
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use Sauls\Bundle\ObjectRegistryBundle\Batch\Operation\PersistOperation; |
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use Sauls\Bundle\ObjectRegistryBundle\Batch\Operation\RemoveOperation; |
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use Sauls\Bundle\ObjectRegistryBundle\Collection\BatchOperationCollectionInterface; |
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use Sauls\Bundle\ObjectRegistryBundle\Event\GenericDoctrineCollectionEvent; |
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use Sauls\Bundle\ObjectRegistryBundle\EventDispatcher\EventDispatcherInterface; |
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use Sauls\Bundle\ObjectRegistryBundle\Exception\EmptyDataException; |
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use Sauls\Bundle\ObjectRegistryBundle\Exception\ManagerNotFoundException; |
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use Sauls\Bundle\ObjectRegistryBundle\Exception\OperationNotFoundException; |
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class PersistentBatchObjectsManager implements PersistentBatchObjectsManagerInterface |
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{ |
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/** |
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* @var array |
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*/ |
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private $chunks; |
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/** |
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* @var DoctrineEntityManagerInterface |
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*/ |
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private $manager; |
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/** |
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* @var EntityManagerInterface |
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*/ |
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private $entityManager; |
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/** |
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* @var EventDispatcherInterface |
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*/ |
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private $eventDispatcher; |
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/** |
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* @var LoggerInterface |
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*/ |
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private $logger; |
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/** |
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* @var BatchOperationCollectionInterface |
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*/ |
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private $batchOperations; |
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public function __construct( |
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EntityManagerInterface $entityManager, |
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EventDispatcherInterface $eventDispatcher, |
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BatchOperationCollectionInterface $batchOperations, |
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LoggerInterface $logger |
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) { |
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$this->entityManager = $entityManager; |
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$this->eventDispatcher = $eventDispatcher; |
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$this->batchOperations = $batchOperations; |
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$this->logger = $logger; |
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} |
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public function save(): bool |
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{ |
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return $this->process(PersistOperation::NAME); |
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} |
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private function process(string $operationName): bool |
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{ |
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$this->checkManagerIsNotNull(); |
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$this->checkChunksIsNotEmpty(); |
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try { |
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$self = $this; |
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$this->entityManager->transactional(function () use ($operationName, $self) { |
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$self->processChunks($operationName); |
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}); |
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return true; |
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} catch (\Throwable $exception) { |
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$this->logger->critical($exception->getMessage(), [$exception]); |
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return false; |
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} |
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} |
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private function checkManagerIsNotNull(): void |
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{ |
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if (null === $this->manager) { |
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throw new ManagerNotFoundException( |
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'Manager cannot be `null` maybe you forgot to assign it? To do so use `setManager` method' |
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); |
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} |
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} |
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private function checkChunksIsNotEmpty(): void |
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{ |
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if (true === empty($this->chunks)) { |
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throw new EmptyDataException( |
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\sprintf('No data to work with maybe you forgot to fill?') |
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); |
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} |
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} |
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private function processChunks(string $operationName): void |
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{ |
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$operation = $this->getOperationByName($operationName); |
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foreach ($this->chunks as $chunk) { |
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$event = new GenericDoctrineCollectionEvent($chunk); |
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$this->eventDispatcher->dispatch($operation->getPreEventName(), $event); |
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$this->processChunk($operation, $chunk); |
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$this->entityManager->flush(); |
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$this->eventDispatcher->dispatch($operation->getPostEventName(), $event); |
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$this->entityManager->clear(); |
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} |
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} |
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private function getOperationByName(string $operationName): OperationInterface |
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{ |
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$operation = $this->batchOperations->get($operationName); |
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if (null === $operation) { |
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throw new OperationNotFoundException(sprintf('Batch operation `%s` was not found', $operationName)); |
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} |
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return $operation; |
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} |
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private function processChunk(OperationInterface $operation, array $chunk): void |
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{ |
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foreach ($chunk as $object) { |
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$this->manager->checkObjectIntegrity($object); |
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$operation->execute($object); |
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} |
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} |
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public function remove(): bool |
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{ |
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return $this->process(RemoveOperation::NAME); |
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} |
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public function fill(array $objects, int $batchSize): void |
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{ |
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$this->chunks = $this->splitToChunks($objects, $batchSize); |
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} |
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private function splitToChunks(array $objects, int $batchSize): array |
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{ |
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return \array_chunk($objects, $batchSize); |
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} |
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public function setManager(DoctrineEntityManagerInterface $manager): void |
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{ |
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$this->manager = $manager; |
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} |
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} |
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sauls /
object-registry-bundle
