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<?php declare(strict_types=1); |
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/* |
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* This file is part of Biurad opensource projects. |
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* |
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* @copyright 2019 Biurad Group (https://biurad.com/) |
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* @license https://opensource.org/licenses/BSD-3-Clause License |
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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 Flange\Database\Doctrine\Form\ChoiceList; |
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use Doctrine\Persistence\Mapping\ClassMetadata; |
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use Doctrine\Persistence\ObjectManager; |
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use Symfony\Component\Form\Exception\RuntimeException; |
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/** |
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* A utility for reading object IDs. |
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* |
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* @author Bernhard Schussek <[email protected]> |
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* |
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* @internal |
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*/ |
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class IdReader |
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{ |
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private ObjectManager $om; |
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private ClassMetadata $classMetadata; |
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private bool $singleId, $intId; |
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private string $idField; |
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private ?self $associationIdReader = null; |
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public function __construct(ObjectManager $om, ClassMetadata $classMetadata) |
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{ |
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$ids = $classMetadata->getIdentifierFieldNames(); |
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$idType = $classMetadata->getTypeOfField(\current($ids)); |
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$this->om = $om; |
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$this->classMetadata = $classMetadata; |
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$this->singleId = 1 === \count($ids); |
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$this->intId = $this->singleId && \in_array($idType, ['integer', 'smallint', 'bigint'], true); |
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$this->idField = \current($ids); |
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// single field association are resolved, since the schema column could be an int |
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if ($this->singleId && $classMetadata->hasAssociation($this->idField)) { |
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$this->associationIdReader = new self($om, $om->getClassMetadata( |
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$classMetadata->getAssociationTargetClass($this->idField) |
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)); |
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$this->singleId = $this->associationIdReader->isSingleId(); |
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$this->intId = $this->associationIdReader->isIntId(); |
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} |
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} |
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/** |
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* Returns whether the class has a single-column ID. |
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*/ |
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public function isSingleId(): bool |
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{ |
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return $this->singleId; |
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} |
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/** |
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* Returns whether the class has a single-column integer ID. |
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*/ |
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public function isIntId(): bool |
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{ |
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return $this->intId; |
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} |
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/** |
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* Returns the ID value for an object. |
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* |
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* This method assumes that the object has a single-column ID. |
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*/ |
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public function getIdValue(object $object = null): string |
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{ |
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if (!$object) { |
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return ''; |
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} |
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if (!$this->om->contains($object)) { |
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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($object))); |
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} |
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$this->om->initializeObject($object); |
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$idValue = \current($this->classMetadata->getIdentifierValues($object)); |
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if ($this->associationIdReader) { |
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$idValue = $this->associationIdReader->getIdValue($idValue); |
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} |
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return (string) $idValue; |
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} |
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/** |
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* Returns the name of the ID field. |
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* |
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* This method assumes that the object has a single-column ID. |
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*/ |
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public function getIdField(): string |
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{ |
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return $this->idField; |
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} |
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} |
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biurad /
flange
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