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<?php |
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namespace Silverback\ApiComponentBundle\EventSubscriber\Doctrine; |
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use Doctrine\Common\EventSubscriber; |
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use Doctrine\DBAL\Platforms\SqlitePlatform; |
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use Doctrine\ORM\EntityManagerInterface; |
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use Doctrine\ORM\Event\OnFlushEventArgs; |
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use Doctrine\ORM\UnitOfWork; |
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use Liip\ImagineBundle\Imagine\Cache\CacheManager; |
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use Liip\ImagineBundle\Service\FilterService; |
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use Silverback\ApiComponentBundle\Entity\Content\FileInterface; |
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use Silverback\ApiComponentBundle\Entity\SortableInterface; |
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use Silverback\ApiComponentBundle\Imagine\PathResolver; |
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use Silverback\ApiComponentBundle\Validator\ImagineSupportedFilePath; |
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/** |
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* Class FileEntitySubscriber |
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* @package Silverback\ApiComponentBundle\EventListener |
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* @author Daniel West <[email protected]> |
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*/ |
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class EntitySubscriber implements EventSubscriber |
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{ |
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/** |
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* @var CacheManager |
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*/ |
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private $imagineCacheManager; |
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/** |
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* @var FilterService |
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*/ |
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private $filterService; |
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/** |
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* @var PathResolver |
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*/ |
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private $pathResolver; |
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/** |
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* FileListener constructor. |
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* @param CacheManager $imagineCacheManager |
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* @param FilterService $filterService |
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* @param PathResolver $pathResolver |
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*/ |
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public function __construct( |
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CacheManager $imagineCacheManager, |
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FilterService $filterService, |
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PathResolver $pathResolver |
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) { |
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$this->imagineCacheManager = $imagineCacheManager; |
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$this->filterService = $filterService; |
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$this->pathResolver = $pathResolver; |
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} |
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/** |
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* @return array |
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*/ |
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public function getSubscribedEvents(): array |
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{ |
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return [ |
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'onFlush' |
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]; |
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} |
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/** |
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* @param OnFlushEventArgs $eventArgs |
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* @throws \Doctrine\DBAL\DBALException |
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*/ |
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public function onFlush(OnFlushEventArgs $eventArgs): void |
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{ |
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$entityManager = $eventArgs->getEntityManager(); |
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if ($entityManager->getConnection()->getDatabasePlatform() instanceof SqlitePlatform) { |
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$entityManager->getConnection()->exec('PRAGMA foreign_keys = ON;'); |
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} |
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$unitOfWork = $entityManager->getUnitOfWork(); |
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$this->processNewEntities($unitOfWork, $entityManager); |
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$this->processUpdatedEntities($unitOfWork); |
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$this->processDeletedEntities($unitOfWork); |
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} |
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/** |
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* @param UnitOfWork $unitOfWork |
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* @param EntityManagerInterface $entityManager |
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*/ |
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private function processNewEntities(UnitOfWork $unitOfWork, EntityManagerInterface $entityManager): void |
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{ |
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$newEntities = $unitOfWork->getScheduledEntityInsertions(); |
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foreach ($newEntities as $entity) { |
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if ($entity instanceof SortableInterface && $entity->getSort() === null) { |
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$entity->setSort($entity->calculateSort(true)); |
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$metadata = $entityManager->getClassMetadata(\get_class($entity)); |
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$unitOfWork->recomputeSingleEntityChangeSet($metadata, $entity); |
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} |
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if ( |
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$entity instanceof FileInterface && |
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ImagineSupportedFilePath::isValidFilePath($entity->getFilePath()) |
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) { |
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$this->createFilteredImages($entity); |
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} |
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} |
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} |
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/** |
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* @param UnitOfWork $unitOfWork |
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*/ |
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private function processUpdatedEntities(UnitOfWork $unitOfWork): void |
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{ |
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$updatedEntities = $unitOfWork->getScheduledEntityUpdates(); |
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foreach ($updatedEntities as $entity) { |
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if ($entity instanceof FileInterface) { |
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$changes = $unitOfWork->getEntityChangeSet($entity); |
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if (!\is_array($changes)) { |
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return; |
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} |
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if (array_key_exists('filePath', $changes)) { |
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$fpChanges = $changes['filePath']; |
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$previousValueForField = $fpChanges[0] ?? null; |
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$newValueForField = $fpChanges[1] ?? null; |
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if ($previousValueForField !== $newValueForField) { |
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if (ImagineSupportedFilePath::isValidFilePath($previousValueForField)) { |
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$this->imagineCacheManager->remove($previousValueForField); |
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} |
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if (ImagineSupportedFilePath::isValidFilePath($newValueForField)) { |
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$this->createFilteredImages($entity); |
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} |
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} |
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} |
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} |
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} |
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} |
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/** |
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* @param UnitOfWork $unitOfWork |
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*/ |
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private function processDeletedEntities(UnitOfWork $unitOfWork): void |
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{ |
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$deletedEntities = $unitOfWork->getScheduledEntityDeletions(); |
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foreach ($deletedEntities as $entity) { |
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if ( |
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$entity instanceof FileInterface && |
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ImagineSupportedFilePath::isValidFilePath($entity->getFilePath()) |
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) { |
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$this->imagineCacheManager->remove($entity->getFilePath()); |
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} |
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} |
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} |
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private function createFilteredImages(FileInterface $file): void |
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{ |
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$filters = $file::getImagineFilters(); |
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foreach ($filters as $filter) { |
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$this->filterService->getUrlOfFilteredImage($this->pathResolver->resolve($file->getFilePath()), $filter); |
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} |
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} |
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} |
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components-web-app /
api-components-bundle
