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<?php |
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namespace App\Import; |
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use App\Entity\ImportDateTime; |
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use App\Repository\ImportDateTypeRepositoryInterface; |
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use App\Request\ValidationFailedException; |
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use DateTime; |
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use Psr\Log\LoggerInterface; |
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use Symfony\Component\Validator\Validator\ValidatorInterface; |
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use Throwable; |
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class Importer { |
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public function __construct(private ValidatorInterface $validator, private ImportDateTypeRepositoryInterface $importDateTimeRepository, private LoggerInterface $logger) |
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{ |
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} |
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/** |
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* @param object $data |
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* @throws ValidationFailedException |
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*/ |
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private function validateOrThrow($data) { |
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$violations = $this->validator->validate($data); |
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if(count($violations) === 0) { |
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// Validation passed |
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return; |
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} |
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throw new ValidationFailedException($violations); |
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} |
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/** |
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* @param object $data |
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* @throws ImportException |
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* @throws ValidationFailedException |
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*/ |
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public function import($data, ImportStrategyInterface $strategy): ImportResult { |
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$this->validateOrThrow($data); |
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try { |
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if($strategy instanceof InitializeStrategyInterface) { |
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$strategy->initialize($data); |
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} |
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$repository = $strategy->getRepository(); |
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$repository->beginTransaction(); |
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$currentEntities = $strategy->getExistingEntities($data); |
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$updatedEntitiesIds = []; |
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$addedEntities = []; |
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$updatedEntities = []; |
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$removedEntities = []; |
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$ignoredEntities = []; |
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$entities = $strategy->getData($data); |
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// ADD/UPDATE ENTITIES |
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foreach ($entities as $object) { |
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$entity = $strategy->getExistingEntity($object, $currentEntities); |
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if ($entity !== null) { |
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$updatedEntities[] = $entity; |
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$strategy->updateEntity($entity, $object, $data); |
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$updatedEntitiesIds[] = $strategy->getEntityId($entity); |
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} else { |
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$entity = $strategy->createNewEntity($object, $data); |
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$addedEntities[] = $entity; |
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} |
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$strategy->persist($entity); |
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} |
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// REMOVE ENTITIES |
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if(!$strategy instanceof NonRemovalImportStrategyInterface || $strategy->preventRemoval($data) === false) { |
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foreach ($currentEntities as $entity) { |
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$id = $strategy->getEntityId($entity); |
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if (!in_array($id, $updatedEntitiesIds)) { |
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if($strategy->remove($entity, $data) === true) { |
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$removedEntities[] = $entity; |
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} else { |
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$updatedEntities[] = $entity; |
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} |
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} |
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} |
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} |
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$repository->commit(); |
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$result = new ImportResult($addedEntities, $updatedEntities, $removedEntities, $ignoredEntities, $data); |
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if($strategy instanceof PostActionStrategyInterface) { |
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$strategy->onFinished($result); |
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} |
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return $result; |
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} catch (Throwable $e) { |
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$this->logger->error('Import fehlgeschagen.', [ |
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'exception' => $e |
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]); |
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throw new ImportException($e->getMessage(), $e->getCode(), $e); |
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} finally { |
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$this->updateImportDateTime($strategy->getEntityClassName()); |
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} |
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} |
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/** |
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* @param object $data |
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* @throws ImportException |
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*/ |
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public function replaceImport($data, ReplaceImportStrategyInterface $strategy): ImportResult { |
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$this->validateOrThrow($data); |
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try { |
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if($strategy instanceof InitializeStrategyInterface) { |
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$strategy->initialize($data); |
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} |
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$repository = $strategy->getRepository(); |
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$repository->beginTransaction(); |
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$strategy->removeAll($data); |
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$addedEntities = []; |
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$ignoredEntities = []; |
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$entities = $strategy->getData($data); |
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foreach ($entities as $object) { |
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try { |
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$strategy->persist($object, $data); |
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$addedEntities[] = $object; |
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} catch (EntityIgnoredException $e) { |
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$ignoredEntities[] = $e->getEntity(); |
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} |
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} |
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$repository->commit(); |
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return new ImportResult($addedEntities, [], [], $ignoredEntities, $data); |
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} catch (Throwable $e) { |
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throw new ImportException($e->getMessage(), $e->getCode(), $e); |
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} finally { |
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$this->updateImportDateTime($strategy->getEntityClassName()); |
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} |
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} |
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private function updateImportDateTime(string $className): void { |
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$dateTime = $this->importDateTimeRepository->findOneByEntityClass($className); |
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if($dateTime === null) { |
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$dateTime = (new ImportDateTime()) |
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->setEntityClass($className); |
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} |
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$dateTime->setUpdatedAt(new DateTime('now')); |
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$this->importDateTimeRepository->persist($dateTime); |
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} |
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} |
SchulIT /
icc
