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<?php |
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namespace DoctrineModule\Stdlib\Hydrator; |
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use DateTime; |
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use Doctrine\Common\Persistence\Mapping\ClassMetadata; |
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use Doctrine\Common\Persistence\ObjectManager; |
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use Doctrine\Common\Inflector\Inflector; |
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use InvalidArgumentException; |
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use RuntimeException; |
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use Traversable; |
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use Zend\Stdlib\ArrayUtils; |
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use Zend\Hydrator\AbstractHydrator; |
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use Zend\Hydrator\Filter\FilterProviderInterface; |
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/** |
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* This hydrator has been completely refactored for DoctrineModule 0.7.0. It provides an easy and powerful way |
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* of extracting/hydrator objects in Doctrine, by handling most associations types. |
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* |
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* Starting from DoctrineModule 0.8.0, the hydrator can be used multiple times with different objects |
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* |
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* @license MIT |
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* @link http://www.doctrine-project.org/ |
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* @since 0.7.0 |
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* @author Michael Gallego <[email protected]> |
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*/ |
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class DoctrineObject extends AbstractHydrator |
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{ |
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/** |
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* @var ObjectManager |
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*/ |
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protected $objectManager; |
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/** |
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* @var ClassMetadata |
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*/ |
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protected $metadata; |
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/** |
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* @var bool |
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*/ |
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protected $byValue = true; |
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/** |
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* @var string |
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*/ |
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protected $defaultByValueStrategy = __NAMESPACE__ . '\Strategy\AllowRemoveByValue'; |
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/** |
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* @var string |
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*/ |
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protected $defaultByReferenceStrategy = __NAMESPACE__ . '\Strategy\AllowRemoveByReference'; |
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/** |
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* Constructor |
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* |
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* @param ObjectManager $objectManager The ObjectManager to use |
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* @param bool $byValue If set to true, hydrator will always use entity's public API |
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*/ |
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public function __construct(ObjectManager $objectManager, $byValue = true) |
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{ |
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parent::__construct(); |
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$this->objectManager = $objectManager; |
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$this->byValue = (bool) $byValue; |
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} |
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/** |
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* @return string |
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*/ |
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public function getDefaultByValueStrategy() |
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{ |
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return $this->defaultByValueStrategy; |
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} |
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/** |
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* @param string $defaultByValueStrategy |
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* @return DoctrineObject |
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*/ |
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public function setDefaultByValueStrategy($defaultByValueStrategy) |
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{ |
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$this->defaultByValueStrategy = $defaultByValueStrategy; |
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return $this; |
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} |
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/** |
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* @return string |
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*/ |
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public function getDefaultByReferenceStrategy() |
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{ |
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return $this->defaultByReferenceStrategy; |
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} |
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/** |
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* @param string $defaultByReferenceStrategy |
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* @return DoctrineObject |
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*/ |
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public function setDefaultByReferenceStrategy($defaultByReferenceStrategy) |
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{ |
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$this->defaultByReferenceStrategy = $defaultByReferenceStrategy; |
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return $this; |
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} |
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/** |
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* Extract values from an object |
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* |
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* @param object $object |
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* @return array |
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*/ |
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public function extract($object) |
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{ |
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$this->prepare($object); |
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if ($this->byValue) { |
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return $this->extractByValue($object); |
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} |
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return $this->extractByReference($object); |
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} |
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/** |
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* Hydrate $object with the provided $data. |
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* |
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* @param array $data |
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* @param object $object |
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* @return object |
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*/ |
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public function hydrate(array $data, $object) |
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{ |
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$this->prepare($object); |
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if ($this->byValue) { |
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return $this->hydrateByValue($data, $object); |
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} |
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return $this->hydrateByReference($data, $object); |
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} |
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/** |
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* Prepare the hydrator by adding strategies to every collection valued associations |
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* |
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* @param object $object |
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* @return void |
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*/ |
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protected function prepare($object) |
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{ |
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$this->metadata = $this->objectManager->getClassMetadata(get_class($object)); |
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$this->prepareStrategies(); |
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} |
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/** |
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* Prepare strategies before the hydrator is used |
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* |
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* @throws \InvalidArgumentException |
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* @return void |
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*/ |
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protected function prepareStrategies() |
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{ |
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$associations = $this->metadata->getAssociationNames(); |
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foreach ($associations as $association) { |
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if ($this->metadata->isCollectionValuedAssociation($association)) { |
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// Add a strategy if the association has none set by user |
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if (! $this->hasStrategy($association)) { |
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if ($this->byValue) { |
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$strategyClassName = $this->getDefaultByValueStrategy(); |
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} else { |
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$strategyClassName = $this->getDefaultByReferenceStrategy(); |
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} |
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$this->addStrategy($association, new $strategyClassName()); |
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} |
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$strategy = $this->getStrategy($association); |
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if (! $strategy instanceof Strategy\AbstractCollectionStrategy) { |
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throw new InvalidArgumentException( |
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sprintf( |
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'Strategies used for collections valued associations must inherit from ' |
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. 'Strategy\AbstractCollectionStrategy, %s given', |
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get_class($strategy) |
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) |
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); |
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} |
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$strategy->setCollectionName($association) |
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->setClassMetadata($this->metadata); |
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} |
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} |
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} |
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/** |
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* Extract values from an object using a by-value logic (this means that it uses the entity |
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* API, in this case, getters) |
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* |
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* @param object $object |
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* @throws RuntimeException |
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* @return array |
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*/ |
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protected function extractByValue($object) |
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{ |
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$fieldNames = array_merge($this->metadata->getFieldNames(), $this->metadata->getAssociationNames()); |
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$methods = get_class_methods($object); |
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$filter = $object instanceof FilterProviderInterface |
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? $object->getFilter() |
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: $this->filterComposite; |
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$data = []; |
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foreach ($fieldNames as $fieldName) { |
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if ($filter && ! $filter->filter($fieldName)) { |
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continue; |
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} |
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$getter = 'get' . Inflector::classify($fieldName); |
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$isser = 'is' . Inflector::classify($fieldName); |
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$dataFieldName = $this->computeExtractFieldName($fieldName); |
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if (in_array($getter, $methods)) { |
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$data[$dataFieldName] = $this->extractValue($fieldName, $object->$getter(), $object); |
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} elseif (in_array($isser, $methods)) { |
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$data[$dataFieldName] = $this->extractValue($fieldName, $object->$isser(), $object); |
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} elseif (substr($fieldName, 0, 2) === 'is' |
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&& ctype_upper(substr($fieldName, 2, 1)) |
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&& in_array($fieldName, $methods)) { |
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$data[$dataFieldName] = $this->extractValue($fieldName, $object->$fieldName(), $object); |
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} |
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// Unknown fields are ignored |
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} |
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return $data; |
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} |
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/** |
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* Extract values from an object using a by-reference logic (this means that values are |
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* directly fetched without using the public API of the entity, in this case, getters) |
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* |
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* @param object $object |
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* @return array |
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*/ |
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protected function extractByReference($object) |
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{ |
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$fieldNames = array_merge($this->metadata->getFieldNames(), $this->metadata->getAssociationNames()); |
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$refl = $this->metadata->getReflectionClass(); |
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$filter = $object instanceof FilterProviderInterface |
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? $object->getFilter() |
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: $this->filterComposite; |
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$data = []; |
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foreach ($fieldNames as $fieldName) { |
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if ($filter && ! $filter->filter($fieldName)) { |
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continue; |
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} |
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$reflProperty = $refl->getProperty($fieldName); |
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$reflProperty->setAccessible(true); |
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$dataFieldName = $this->computeExtractFieldName($fieldName); |
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$data[$dataFieldName] = $this->extractValue($fieldName, $reflProperty->getValue($object), $object); |
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} |
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return $data; |
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} |
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/** |
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* Converts a value for hydration |
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* Apply strategies first, then the type conversions |
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* |
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* @inheritdoc |
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*/ |
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public function hydrateValue($name, $value, $data = null) |
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{ |
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$value = parent::hydrateValue($name, $value, $data); |
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if (is_null($value) && method_exists($this->metadata, 'isNullable') && $this->metadata->isNullable($name)) { |
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return null; |
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} |
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return $this->handleTypeConversions($value, $this->metadata->getTypeOfField($name)); |
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} |
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/** |
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* Hydrate the object using a by-value logic (this means that it uses the entity API, in this |
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* case, setters) |
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* |
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* @param array $data |
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* @param object $object |
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* @throws RuntimeException |
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* @return object |
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*/ |
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44 |
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protected function hydrateByValue(array $data, $object) |
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{ |
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$tryObject = $this->tryConvertArrayToObject($data, $object); |
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$metadata = $this->metadata; |
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44 |
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if (is_object($tryObject)) { |
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$object = $tryObject; |
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} |
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300
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44 |
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foreach ($data as $field => $value) { |
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$field = $this->computeHydrateFieldName($field); |
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$setter = 'set' . Inflector::classify($field); |
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if ($metadata->hasAssociation($field)) { |
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$target = $metadata->getAssociationTargetClass($field); |
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307
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if ($metadata->isSingleValuedAssociation($field)) { |
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if (! is_callable([$object, $setter])) { |
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continue; |
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} |
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312
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$value = $this->toOne($target, $this->hydrateValue($field, $value, $data)); |
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7 |
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if (null === $value |
315
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&& ! current($metadata->getReflectionClass()->getMethod($setter)->getParameters())->allowsNull() |
316
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) { |
317
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continue; |
318
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} |
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320
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6 |
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$object->$setter($value); |
321
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11 |
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} elseif ($metadata->isCollectionValuedAssociation($field)) { |
322
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$this->toMany($object, $field, $target, $value); |
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} |
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} else { |
325
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27 |
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if (! is_callable([$object, $setter])) { |
326
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1 |
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continue; |
327
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} |
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329
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40 |
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$object->$setter($this->hydrateValue($field, $value, $data)); |
330
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} |
331
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} |
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333
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44 |
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return $object; |
334
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} |
335
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336
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/** |
337
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* Hydrate the object using a by-reference logic (this means that values are modified directly without |
338
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* using the public API, in this case setters, and hence override any logic that could be done in those |
339
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* setters) |
340
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* |
341
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* @param array $data |
342
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* @param object $object |
343
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* @return object |
344
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*/ |
345
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29 |
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protected function hydrateByReference(array $data, $object) |
346
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{ |
347
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29 |
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$tryObject = $this->tryConvertArrayToObject($data, $object); |
348
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29 |
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$metadata = $this->metadata; |
349
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29 |
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$refl = $metadata->getReflectionClass(); |
350
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351
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29 |
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if (is_object($tryObject)) { |
352
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28 |
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$object = $tryObject; |
353
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} |
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355
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29 |
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foreach ($data as $field => $value) { |
356
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27 |
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$field = $this->computeHydrateFieldName($field); |
357
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358
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// Ignore unknown fields |
359
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27 |
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if (! $refl->hasProperty($field)) { |
360
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continue; |
361
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} |
362
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363
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27 |
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$reflProperty = $refl->getProperty($field); |
364
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27 |
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$reflProperty->setAccessible(true); |
365
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366
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27 |
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if ($metadata->hasAssociation($field)) { |
367
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10 |
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$target = $metadata->getAssociationTargetClass($field); |
368
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369
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10 |
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if ($metadata->isSingleValuedAssociation($field)) { |
370
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4 |
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$value = $this->toOne($target, $this->hydrateValue($field, $value, $data)); |
371
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4 |
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$reflProperty->setValue($object, $value); |
372
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6 |
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} elseif ($metadata->isCollectionValuedAssociation($field)) { |
373
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10 |
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$this->toMany($object, $field, $target, $value); |
374
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} |
375
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} else { |
376
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27 |
|
$reflProperty->setValue($object, $this->hydrateValue($field, $value, $data)); |
377
|
|
|
} |
378
|
|
|
} |
379
|
|
|
|
380
|
29 |
|
return $object; |
381
|
|
|
} |
382
|
|
|
|
383
|
|
|
/** |
384
|
|
|
* This function tries, given an array of data, to convert it to an object if the given array contains |
385
|
|
|
* an identifier for the object. This is useful in a context of updating existing entities, without ugly |
386
|
|
|
* tricks like setting manually the existing id directly into the entity |
387
|
|
|
* |
388
|
|
|
* @param array $data The data that may contain identifiers keys |
389
|
|
|
* @param object $object |
390
|
|
|
* @return object |
391
|
|
|
*/ |
392
|
56 |
|
protected function tryConvertArrayToObject($data, $object) |
393
|
|
|
{ |
394
|
56 |
|
$metadata = $this->metadata; |
395
|
56 |
|
$identifierNames = $metadata->getIdentifierFieldNames($object); |
|
|
|
|
396
|
56 |
|
$identifierValues = []; |
397
|
|
|
|
398
|
56 |
|
if (empty($identifierNames)) { |
399
|
30 |
|
return $object; |
400
|
|
|
} |
401
|
|
|
|
402
|
26 |
|
foreach ($identifierNames as $identifierName) { |
403
|
26 |
|
if (! isset($data[$identifierName])) { |
404
|
22 |
|
return $object; |
405
|
|
|
} |
406
|
|
|
|
407
|
4 |
|
$identifierValues[$identifierName] = $data[$identifierName]; |
408
|
|
|
} |
409
|
|
|
|
410
|
4 |
|
return $this->find($identifierValues, $metadata->getName()); |
411
|
|
|
} |
412
|
|
|
|
413
|
|
|
/** |
414
|
|
|
* Handle ToOne associations |
415
|
|
|
* |
416
|
|
|
* When $value is an array but is not the $target's identifiers, $value is |
417
|
|
|
* most likely an array of fieldset data. The identifiers will be determined |
418
|
|
|
* and a target instance will be initialized and then hydrated. The hydrated |
419
|
|
|
* target will be returned. |
420
|
|
|
* |
421
|
|
|
* @param string $target |
422
|
|
|
* @param mixed $value |
423
|
|
|
* @return object |
424
|
|
|
*/ |
425
|
11 |
|
protected function toOne($target, $value) |
426
|
|
|
{ |
427
|
11 |
|
$metadata = $this->objectManager->getClassMetadata($target); |
428
|
|
|
|
429
|
11 |
|
if (is_array($value) && array_keys($value) != $metadata->getIdentifier()) { |
430
|
|
|
// $value is most likely an array of fieldset data |
431
|
1 |
|
$identifiers = array_intersect_key( |
432
|
1 |
|
$value, |
433
|
1 |
|
array_flip($metadata->getIdentifier()) |
434
|
|
|
); |
435
|
1 |
|
$object = $this->find($identifiers, $target) ?: new $target; |
436
|
1 |
|
return $this->hydrate($value, $object); |
437
|
|
|
} |
438
|
|
|
|
439
|
10 |
|
return $this->find($value, $target); |
440
|
|
|
} |
441
|
|
|
|
442
|
|
|
/** |
443
|
|
|
* Handle ToMany associations. In proper Doctrine design, Collections should not be swapped, so |
444
|
|
|
* collections are always handled by reference. Internally, every collection is handled using specials |
445
|
|
|
* strategies that inherit from AbstractCollectionStrategy class, and that add or remove elements but without |
446
|
|
|
* changing the collection of the object |
447
|
|
|
* |
448
|
|
|
* @param object $object |
449
|
|
|
* @param mixed $collectionName |
450
|
|
|
* @param string $target |
451
|
|
|
* @param mixed $values |
452
|
|
|
* |
453
|
|
|
* @throws \InvalidArgumentException |
454
|
|
|
* |
455
|
|
|
* @return void |
456
|
|
|
*/ |
457
|
17 |
|
protected function toMany($object, $collectionName, $target, $values) |
458
|
|
|
{ |
459
|
17 |
|
$metadata = $this->objectManager->getClassMetadata(ltrim($target, '\\')); |
460
|
17 |
|
$identifier = $metadata->getIdentifier(); |
461
|
|
|
|
462
|
17 |
|
if (! is_array($values) && ! $values instanceof Traversable) { |
463
|
|
|
$values = (array)$values; |
464
|
|
|
} |
465
|
|
|
|
466
|
17 |
|
$collection = []; |
467
|
|
|
|
468
|
|
|
// If the collection contains identifiers, fetch the objects from database |
469
|
17 |
|
foreach ($values as $value) { |
470
|
17 |
|
if ($value instanceof $target) { |
471
|
|
|
// assumes modifications have already taken place in object |
472
|
7 |
|
$collection[] = $value; |
473
|
7 |
|
continue; |
474
|
|
|
} elseif (empty($value)) { |
475
|
|
|
// assumes no id and retrieves new $target |
476
|
1 |
|
$collection[] = $this->find($value, $target); |
477
|
1 |
|
continue; |
478
|
|
|
} |
479
|
|
|
|
480
|
9 |
|
$find = []; |
481
|
9 |
|
if (is_array($identifier)) { |
482
|
9 |
|
foreach ($identifier as $field) { |
483
|
9 |
|
switch (gettype($value)) { |
484
|
9 |
|
case 'object': |
485
|
1 |
|
$getter = 'get' . Inflector::classify($field); |
486
|
|
|
|
487
|
1 |
|
if (is_callable([$value, $getter])) { |
488
|
|
|
$find[$field] = $value->$getter(); |
489
|
1 |
|
} elseif (property_exists($value, $field)) { |
490
|
1 |
|
$find[$field] = $value->$field; |
491
|
|
|
} |
492
|
1 |
|
break; |
493
|
8 |
|
case 'array': |
494
|
5 |
|
if (array_key_exists($field, $value) && $value[$field] != null) { |
495
|
5 |
|
$find[$field] = $value[$field]; |
496
|
5 |
|
unset($value[$field]); // removed identifier from persistable data |
497
|
|
|
} |
498
|
5 |
|
break; |
499
|
|
|
default: |
500
|
3 |
|
$find[$field] = $value; |
501
|
9 |
|
break; |
502
|
|
|
} |
503
|
|
|
} |
504
|
|
|
} |
505
|
|
|
|
506
|
9 |
|
if (! empty($find) && $found = $this->find($find, $target)) { |
507
|
9 |
|
$collection[] = (is_array($value)) ? $this->hydrate($value, $found) : $found; |
508
|
|
|
} else { |
509
|
9 |
|
$collection[] = (is_array($value)) ? $this->hydrate($value, new $target) : new $target; |
510
|
|
|
} |
511
|
|
|
} |
512
|
|
|
|
513
|
17 |
|
$collection = array_filter( |
514
|
17 |
|
$collection, |
515
|
|
|
function ($item) { |
516
|
17 |
|
return null !== $item; |
517
|
17 |
|
} |
518
|
|
|
); |
519
|
|
|
|
520
|
|
|
// Set the object so that the strategy can extract the Collection from it |
521
|
|
|
|
522
|
|
|
/** @var \DoctrineModule\Stdlib\Hydrator\Strategy\AbstractCollectionStrategy $collectionStrategy */ |
523
|
17 |
|
$collectionStrategy = $this->getStrategy($collectionName); |
524
|
17 |
|
$collectionStrategy->setObject($object); |
525
|
|
|
|
526
|
|
|
// We could directly call hydrate method from the strategy, but if people want to override |
527
|
|
|
// hydrateValue function, they can do it and do their own stuff |
528
|
17 |
|
$this->hydrateValue($collectionName, $collection, $values); |
529
|
17 |
|
} |
530
|
|
|
|
531
|
|
|
/** |
532
|
|
|
* Handle various type conversions that should be supported natively by Doctrine (like DateTime) |
533
|
|
|
* See Documentation of Doctrine Mapping Types for defaults |
534
|
|
|
* |
535
|
|
|
* @link http://docs.doctrine-project.org/projects/doctrine-orm/en/latest/reference/basic-mapping.html#doctrine-mapping-types |
536
|
|
|
* @param mixed $value |
537
|
|
|
* @param string $typeOfField |
538
|
|
|
* @return DateTime |
539
|
|
|
*/ |
540
|
53 |
|
protected function handleTypeConversions($value, $typeOfField) |
541
|
|
|
{ |
542
|
53 |
|
if (is_null($value)) { |
543
|
5 |
|
return null; |
544
|
|
|
} |
545
|
|
|
|
546
|
48 |
|
switch ($typeOfField) { |
547
|
48 |
|
case 'boolean': |
548
|
1 |
|
$value = (bool)$value; |
549
|
1 |
|
break; |
550
|
47 |
|
case 'string': |
551
|
38 |
|
case 'text': |
552
|
37 |
|
case 'bigint': |
553
|
36 |
|
case 'decimal': |
554
|
16 |
|
$value = (string)$value; |
555
|
16 |
|
break; |
556
|
35 |
|
case 'integer': |
557
|
32 |
|
case 'smallint': |
558
|
5 |
|
$value = (int)$value; |
559
|
5 |
|
break; |
560
|
31 |
|
case 'float': |
561
|
1 |
|
$value = (double)$value; |
562
|
1 |
|
break; |
563
|
30 |
|
case 'datetimetz': |
564
|
29 |
|
case 'datetime': |
565
|
26 |
|
case 'time': |
566
|
25 |
|
case 'date': |
567
|
6 |
|
if ($value === '') { |
568
|
1 |
|
return null; |
569
|
|
|
} |
570
|
|
|
|
571
|
5 |
|
if ($value instanceof Datetime) { |
572
|
4 |
|
return $value; |
573
|
|
|
} |
574
|
|
|
|
575
|
5 |
|
if (is_int($value)) { |
576
|
5 |
|
$dateTime = new DateTime(); |
577
|
5 |
|
$dateTime->setTimestamp($value); |
578
|
5 |
|
return $dateTime; |
579
|
|
|
} |
580
|
|
|
|
581
|
4 |
|
if (is_string($value)) { |
582
|
4 |
|
return new DateTime($value); |
583
|
|
|
} |
584
|
|
|
|
585
|
|
|
break; |
586
|
|
|
default: |
587
|
24 |
|
break; |
588
|
|
|
} |
589
|
|
|
|
590
|
42 |
|
return $value; |
|
|
|
|
591
|
|
|
} |
592
|
|
|
|
593
|
|
|
/** |
594
|
|
|
* Find an object by a given target class and identifier |
595
|
|
|
* |
596
|
|
|
* @param mixed $identifiers |
597
|
|
|
* @param string $targetClass |
598
|
|
|
* |
599
|
|
|
* @return object|null |
600
|
|
|
*/ |
601
|
25 |
|
protected function find($identifiers, $targetClass) |
602
|
|
|
{ |
603
|
25 |
|
if ($identifiers instanceof $targetClass) { |
604
|
2 |
|
return $identifiers; |
605
|
|
|
} |
606
|
|
|
|
607
|
23 |
|
if ($this->isNullIdentifier($identifiers)) { |
608
|
4 |
|
return null; |
609
|
|
|
} |
610
|
|
|
|
611
|
19 |
|
return $this->objectManager->find($targetClass, $identifiers); |
612
|
|
|
} |
613
|
|
|
|
614
|
|
|
/** |
615
|
|
|
* Verifies if a provided identifier is to be considered null |
616
|
|
|
* |
617
|
|
|
* @param mixed $identifier |
618
|
|
|
* |
619
|
|
|
* @return bool |
620
|
|
|
*/ |
621
|
23 |
|
private function isNullIdentifier($identifier) |
622
|
|
|
{ |
623
|
23 |
|
if (null === $identifier) { |
624
|
4 |
|
return true; |
625
|
|
|
} |
626
|
|
|
|
627
|
19 |
|
if ($identifier instanceof Traversable || is_array($identifier)) { |
628
|
16 |
|
$nonNullIdentifiers = array_filter( |
629
|
16 |
|
ArrayUtils::iteratorToArray($identifier), |
630
|
|
|
function ($value) { |
631
|
16 |
|
return null !== $value; |
632
|
16 |
|
} |
633
|
|
|
); |
634
|
|
|
|
635
|
16 |
|
return empty($nonNullIdentifiers); |
636
|
|
|
} |
637
|
|
|
|
638
|
3 |
|
return false; |
639
|
|
|
} |
640
|
|
|
|
641
|
|
|
/** |
642
|
|
|
* Applies the naming strategy if there is one set |
643
|
|
|
* |
644
|
|
|
* @param string $field |
645
|
|
|
* |
646
|
|
|
* @return string |
647
|
|
|
*/ |
648
|
54 |
|
protected function computeHydrateFieldName($field) |
649
|
|
|
{ |
650
|
54 |
|
if ($this->hasNamingStrategy()) { |
651
|
2 |
|
$field = $this->getNamingStrategy()->hydrate($field); |
652
|
|
|
} |
653
|
54 |
|
return $field; |
654
|
|
|
} |
655
|
|
|
|
656
|
|
|
/** |
657
|
|
|
* Applies the naming strategy if there is one set |
658
|
|
|
* |
659
|
|
|
* @param string $field |
660
|
|
|
* |
661
|
|
|
* @return string |
662
|
|
|
*/ |
663
|
17 |
|
protected function computeExtractFieldName($field) |
664
|
|
|
{ |
665
|
17 |
|
if ($this->hasNamingStrategy()) { |
666
|
2 |
|
$field = $this->getNamingStrategy()->extract($field); |
667
|
|
|
} |
668
|
17 |
|
return $field; |
669
|
|
|
} |
670
|
|
|
} |
671
|
|
|
|
This check looks for calls to methods that do not seem to exist on a given type. It looks for the method on the type itself as well as in inherited classes or implemented interfaces.
This is most likely a typographical error or the method has been renamed.