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<?php |
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/* |
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* This file is part of the API Platform project. |
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* |
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* (c) Kévin Dunglas <[email protected]> |
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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 ApiPlatform\Core\Bridge\Doctrine\Orm; |
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use ApiPlatform\Core\Bridge\Doctrine\Orm\Extension\QueryItemExtensionInterface; |
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use ApiPlatform\Core\Bridge\Doctrine\Orm\Util\QueryNameGenerator; |
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use ApiPlatform\Core\DataProvider\ItemDataProviderInterface; |
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use ApiPlatform\Core\Exception\InvalidArgumentException; |
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use ApiPlatform\Core\Exception\ResourceClassNotSupportedException; |
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use ApiPlatform\Core\Metadata\Property\Factory\PropertyMetadataFactoryInterface; |
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use ApiPlatform\Core\Metadata\Property\Factory\PropertyNameCollectionFactoryInterface; |
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use Doctrine\Common\Persistence\ManagerRegistry; |
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use Doctrine\Common\Persistence\ObjectManager; |
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use Doctrine\ORM\EntityManagerInterface; |
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use Doctrine\ORM\QueryBuilder; |
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/** |
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* Item data provider for the Doctrine ORM. |
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* |
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* @author Kévin Dunglas <[email protected]> |
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* @author Samuel ROZE <[email protected]> |
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*/ |
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class ItemDataProvider implements ItemDataProviderInterface |
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{ |
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private $managerRegistry; |
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private $propertyNameCollectionFactory; |
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private $propertyMetadataFactory; |
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private $itemExtensions; |
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/** |
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* @param ManagerRegistry $managerRegistry |
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* @param PropertyNameCollectionFactoryInterface $propertyNameCollectionFactory |
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* @param PropertyMetadataFactoryInterface $propertyMetadataFactory |
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* @param QueryItemExtensionInterface[] $itemExtensions |
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*/ |
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public function __construct(ManagerRegistry $managerRegistry, PropertyNameCollectionFactoryInterface $propertyNameCollectionFactory, PropertyMetadataFactoryInterface $propertyMetadataFactory, array $itemExtensions = []) |
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{ |
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$this->managerRegistry = $managerRegistry; |
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$this->propertyNameCollectionFactory = $propertyNameCollectionFactory; |
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$this->propertyMetadataFactory = $propertyMetadataFactory; |
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$this->itemExtensions = $itemExtensions; |
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} |
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/** |
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* Allow to customize the Query object |
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* For example you can force doctrine to not load lazy relations by using: |
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* $query->setHint(Query::HINT_FORCE_PARTIAL_LOAD, true). |
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* |
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* @param QueryBuilder |
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* |
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* @return Query |
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*/ |
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public function getQuery(QueryBuilder $queryBuilder): Query |
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{ |
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return $queryBuilder->getQuery(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getItem(string $resourceClass, $id, string $operationName = null, bool $fetchData = false) |
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{ |
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$manager = $this->managerRegistry->getManagerForClass($resourceClass); |
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if (null === $manager) { |
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throw new ResourceClassNotSupportedException(); |
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} |
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$identifiers = $this->normalizeIdentifiers($id, $manager, $resourceClass); |
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if (!$fetchData && $manager instanceof EntityManagerInterface) { |
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return $manager->getReference($resourceClass, $identifiers); |
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} |
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$repository = $manager->getRepository($resourceClass); |
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$queryBuilder = $repository->createQueryBuilder('o'); |
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$queryNameGenerator = new QueryNameGenerator(); |
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$this->addWhereForIdentifiers($identifiers, $queryBuilder); |
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foreach ($this->itemExtensions as $extension) { |
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$extension->applyToItem($queryBuilder, $queryNameGenerator, $resourceClass, $identifiers, $operationName); |
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} |
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return $queryBuilder->getQuery()->getOneOrNullResult(); |
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} |
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/** |
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* Add WHERE conditions to the query for one or more identifiers (simple or composite). |
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* |
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* @param array $identifiers |
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* @param QueryBuilder $queryBuilder |
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*/ |
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private function addWhereForIdentifiers(array $identifiers, QueryBuilder $queryBuilder) |
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{ |
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if (empty($identifiers)) { |
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return; |
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} |
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foreach ($identifiers as $identifier => $value) { |
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$placeholder = ':id_'.$identifier; |
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$expression = $queryBuilder->expr()->eq( |
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'o.'.$identifier, |
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$placeholder |
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); |
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$queryBuilder->andWhere($expression); |
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$queryBuilder->setParameter($placeholder, $value); |
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} |
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} |
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/** |
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* Transform and check the identifier, composite or not. |
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* |
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* @param int|string $id |
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* @param ObjectManager $manager |
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* @param string $resourceClass |
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* |
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* @return array |
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*/ |
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private function normalizeIdentifiers($id, ObjectManager $manager, string $resourceClass) : array |
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{ |
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$identifierValues = [$id]; |
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$doctrineMetadataIdentifier = $manager->getClassMetadata($resourceClass)->getIdentifier(); |
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if (count($doctrineMetadataIdentifier) >= 2) { |
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$identifiers = explode(';', $id); |
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$identifiersMap = []; |
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// first transform identifiers to a proper key/value array |
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foreach ($identifiers as $identifier) { |
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$keyValue = explode('=', $identifier); |
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$identifiersMap[$keyValue[0]] = $keyValue[1]; |
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} |
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} |
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$identifiers = []; |
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$i = 0; |
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foreach ($this->propertyNameCollectionFactory->create($resourceClass) as $propertyName) { |
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$propertyMetadata = $this->propertyMetadataFactory->create($resourceClass, $propertyName); |
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$identifier = $propertyMetadata->isIdentifier(); |
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if (null === $identifier || false === $identifier) { |
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continue; |
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} |
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$identifier = $identifiersMap[$propertyName] ?? $identifierValues[$i] ?? null; |
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if (null === $identifier) { |
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throw new InvalidArgumentException(sprintf('Invalid identifier "%s".', $id)); |
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} |
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$identifiers[$propertyName] = $identifier; |
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++$i; |
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} |
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return $identifiers; |
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} |
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} |
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api-platform /
core
