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<?php |
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namespace Darkilliant\ImportBundle\Resolver; |
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use Darkilliant\ImportBundle\Registry\EntityResolverWhereBuilderRegistry; |
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use Doctrine\Common\Persistence\ManagerRegistry; |
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use Doctrine\ORM\EntityManager; |
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class EntityResolver |
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{ |
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const STRATEGY_WHERE = 'where'; |
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/** @var array */ |
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private $config; |
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/** @var ManagerRegistry */ |
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private $registry; |
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private $cache = []; |
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/** @var EntityResolverWhereBuilderRegistry */ |
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private $whereBuilderRegistry; |
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/** |
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* @var array |
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*/ |
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private $cacheable; |
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public function __construct(ManagerRegistry $registry, EntityResolverWhereBuilderRegistry $whereBuilderRegistry, array $config, array $cacheable) |
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{ |
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$this->registry = $registry; |
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$this->config = $config; |
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$this->cacheable = $cacheable; |
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$this->whereBuilderRegistry = $whereBuilderRegistry; |
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} |
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public function resolve($class, array $data, array $config = null) |
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{ |
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if (null === $config) { |
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$config = $this->config[$class] ?? []; |
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} |
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// Legacy format (remove for 1.1) |
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if (isset($config[0])) { |
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$config = [ |
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'strategy' => self::STRATEGY_WHERE, |
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'options' => [ |
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'service' => null, |
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'fields' => $config, |
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], |
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]; |
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} |
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if (empty($config)) { |
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return null; |
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} |
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if (self::STRATEGY_WHERE === $config['strategy']) { |
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// Use custom where |
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if ($config['options']['service']) { |
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$where = $this->whereBuilderRegistry->resolveService( |
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$config['options']['service'] |
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)->buildWhere($class, $config['options'], $data); |
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} else { |
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$where = $this->buildWhere($config['options']['fields'], $data); |
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} |
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if (empty($where)) { |
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return null; |
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} |
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if (!$this->isCacheable($class)) { |
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return $this->fetchFromRepository($class, $where); |
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} |
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if (!$this->isCacheBuilded($class)) { |
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$this->cache[$class] = $this->buildCache($class, $where); |
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} |
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return $this->fetchFromCache($class, $where); |
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} |
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throw new \Exception(sprintf( |
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'unknow strategy %s, resolve entity %s', |
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$config['strategy'], |
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$class |
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)); |
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} |
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public function clear($class = null) |
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{ |
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if (null === $class) { |
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$this->cache = []; |
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return; |
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} |
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if (isset($this->cache[$class])) { |
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$this->cache[$class] = []; |
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return; |
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} |
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return; |
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} |
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private function fetchFromCache(string $class, array $where) |
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{ |
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$searchCompostiteKey = implode('_', array_values($where)); |
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$entityId = $this->cache[$class][$searchCompostiteKey] ?? null; |
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/** @var EntityManager $objectManager */ |
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$objectManager = $this->registry->getManagerForClass($class); |
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if (null !== $entityId) { |
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$entity = $objectManager |
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->getUnitOfWork() |
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->createEntity($class, ['id' => $entityId]); |
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$objectManager |
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->getUnitOfWork() |
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->setOriginalEntityData( |
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$entity, |
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$this->getFakeOriginalData($objectManager, $entity) |
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); |
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return $entity; |
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} |
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return null; |
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} |
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private function buildWhere(array $config, array $data): array |
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{ |
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$where = []; |
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foreach ($config as $key => $fieldName) { |
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$dataFieldName = (is_integer($key)) ? $fieldName : $key; |
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if (!empty($data[$dataFieldName])) { |
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$where[$fieldName] = $data[$dataFieldName]; |
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} |
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} |
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return $where; |
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} |
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private function isCacheable($class) |
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{ |
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return $this->cacheable[$class] ?? false; |
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} |
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private function isCacheBuilded($class) |
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{ |
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return isset($this->cache[$class]); |
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} |
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private function buildCache($class, $where): array |
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{ |
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/** @var EntityManager $objectManager */ |
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$objectManager = $this->registry->getManagerForClass($class); |
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$selectFields = []; |
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foreach ($where as $fieldName => $fieldValue) { |
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$selectFields[] = sprintf('o.%s', $fieldName); |
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} |
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$qb = $objectManager->createQueryBuilder() |
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->select('o.id, '.implode(', ', $selectFields)) |
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->from($class, 'o') |
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->indexBy('o', 'o.id'); |
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$result = $qb->getQuery()->getArrayResult(); |
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$cache = []; |
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foreach ($result as $resultItem) { |
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$compositeValues = $resultItem; |
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if (!isset($where['id'])) { |
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unset($compositeValues['id']); |
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} |
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$compositeKey = implode('_', array_values($compositeValues)); |
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$cache[$compositeKey] = $resultItem['id']; |
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} |
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return $cache; |
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} |
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private function fetchFromRepository($class, $where) |
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{ |
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$objectManager = $this->registry->getManagerForClass($class); |
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return $objectManager->getRepository($class)->findOneBy($where); |
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} |
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private function getFakeOriginalData(EntityManager $em, $entity) |
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{ |
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$class = $em->getClassMetadata(get_class($entity)); |
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$field = []; |
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foreach ($class->reflFields as $name => $refProp) { |
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$field[$name] = null; |
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} |
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return $field; |
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} |
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} |
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jean-pasqualini /
import
