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<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Bridge\Doctrine\Form\ChoiceList; use Doctrine\Persistence\Mapping\ClassMetadata; use Doctrine\Persistence\ObjectManager; use Symfony\Component\Form\Exception\RuntimeException; /** * A utility for reading object IDs. * * @author Bernhard Schussek <bschussek@gmail.com> * * @internal */ class IdReader { private readonly bool $singleId; private readonly bool $intId; private readonly string $idField; private readonly ?self $associationIdReader; public function __construct( private readonly ObjectManager $om, private readonly ClassMetadata $classMetadata, ) { $ids = $classMetadata->getIdentifierFieldNames(); $idType = $classMetadata->getTypeOfField(current($ids)); $singleId = 1 === \count($ids); $this->idField = current($ids); // single field association are resolved, since the schema column could be an int if ($singleId && $classMetadata->hasAssociation($this->idField)) { $this->associationIdReader = new self($om, $om->getClassMetadata( $classMetadata->getAssociationTargetClass($this->idField) )); $singleId = $this->associationIdReader->isSingleId(); $this->intId = $this->associationIdReader->isIntId(); } else { $this->intId = $singleId && \in_array($idType, ['integer', 'smallint', 'bigint']); $this->associationIdReader = null; } $this->singleId = $singleId; } /** * Returns whether the class has a single-column ID. */ public function isSingleId(): bool { return $this->singleId; } /** * Returns whether the class has a single-column integer ID. */ public function isIntId(): bool { return $this->intId; } /** * Returns the ID value for an object. * * This method assumes that the object has a single-column ID. */ public function getIdValue(?object $object = null): string { if (!$object) { return ''; } if (!$this->om->contains($object)) { throw new RuntimeException(\sprintf('Entity of type "%s" passed to the choice field must be managed. Maybe you forget to persist it in the entity manager?', get_debug_type($object))); } $this->om->initializeObject($object); $idValue = current($this->classMetadata->getIdentifierValues($object)); if ($this->associationIdReader) { $idValue = $this->associationIdReader->getIdValue($idValue); } return (string) $idValue; } /** * Returns the name of the ID field. * * This method assumes that the object has a single-column ID. */ public function getIdField(): string { return $this->idField; } }
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