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<?php |
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declare(strict_types=1); |
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namespace Mapado\RestClientSdk; |
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use Mapado\RestClientSdk\Helper\ArrayHelper; |
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use Mapado\RestClientSdk\Mapping\ClassMetadata; |
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use Mapado\RestClientSdk\Mapping\Relation; |
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/** |
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* UnitOfWork |
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*/ |
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class UnitOfWork |
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{ |
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/** |
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* mapping |
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* |
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* @var Mapping |
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*/ |
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private $mapping; |
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/** |
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* storage for every entity retrieved |
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* |
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* @var array<string, object> |
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*/ |
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private $storage; |
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/** |
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* Constructor. |
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*/ |
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public function __construct(Mapping $mapping) |
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{ |
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$this->mapping = $mapping; |
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$this->storage = []; |
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} |
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/** |
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* return the new serialized model with only needed fields to update |
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*/ |
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public function getDirtyData( |
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array $newSerializedModel, |
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array $oldSerializedModel, |
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ClassMetadata $classMetadata |
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): array { |
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return $this->getDirtyFields( |
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$newSerializedModel, |
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$oldSerializedModel, |
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$classMetadata |
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); |
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} |
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/** |
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* Register a net entity in the UnitOfWork storage |
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*/ |
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public function registerClean(string $id, object $entity): self |
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{ |
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$entityStored = clone $entity; |
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$this->storage[$id] = $entityStored; |
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return $this; |
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} |
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public function getDirtyEntity(string $id): ?object |
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{ |
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return $this->storage[$id] ?? null; |
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} |
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public function clear(string $id): self |
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{ |
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unset($this->storage[$id]); |
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return $this; |
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} |
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/** |
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* Compare serialize object and returns only modified fields |
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*/ |
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private function getDirtyFields( |
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array $newSerializedModel, |
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array $oldSerializedModel, |
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ClassMetadata $classMetadata |
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): array { |
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$dirtyFields = []; |
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foreach ($newSerializedModel as $key => $value) { |
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if (!array_key_exists($key, $oldSerializedModel)) { |
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// a new key has been found, add it to the dirtyFields |
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$dirtyFields[$key] = $value; |
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continue; |
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} |
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$oldValue = $oldSerializedModel[$key]; |
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$currentRelation = $classMetadata->getRelation($key); |
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if (!$currentRelation) { |
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if ( |
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(is_array($value) && |
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!ArrayHelper::arraySame($value, $oldValue ?: [])) || |
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$value !== $oldValue |
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) { |
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$dirtyFields[$key] = $value; |
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} |
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continue; |
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} |
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$currentClassMetadata = $this->mapping->getClassMetadata( |
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$currentRelation->getTargetEntity() |
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); |
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$idSerializedKey = $currentClassMetadata->getIdSerializeKey(); |
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if (Relation::MANY_TO_ONE === $currentRelation->getType()) { |
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if ($value !== $oldValue) { |
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if (is_string($value) || is_string($oldValue)) { |
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$dirtyFields[$key] = $value; |
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} else { |
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$recursiveDiff = $this->getDirtyFields( |
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$value, |
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$oldValue, |
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$currentClassMetadata |
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); |
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if (!empty($recursiveDiff)) { |
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$recursiveDiff[ |
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$idSerializedKey |
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] = self::getEntityId($value, $idSerializedKey); |
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$dirtyFields[$key] = $recursiveDiff; |
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} |
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} |
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} |
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continue; |
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} |
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// ONE_TO_MANY relation |
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if (count($value ?? []) !== count($oldValue ?? [])) { |
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// get all objects ids of new array |
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$dirtyFields[$key] = $this->addIdentifiers( |
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$value, |
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[], |
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$idSerializedKey |
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); |
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} |
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if (!empty($value)) { |
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foreach ($value as $relationKey => $relationValue) { |
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$oldRelationValue = $this->findOldRelation( |
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$relationValue, |
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$oldValue, |
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$currentClassMetadata |
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); |
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if ($relationValue !== $oldRelationValue) { |
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if ( |
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is_string($relationValue) || |
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is_string($oldRelationValue) |
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) { |
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$dirtyFields[$key][$relationKey] = $relationValue; |
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} else { |
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$recursiveDiff = $this->getDirtyFields( |
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$relationValue, |
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$oldRelationValue, |
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$currentClassMetadata |
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); |
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if (!empty($recursiveDiff)) { |
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$idSerializedKey = $currentClassMetadata->getIdSerializeKey(); |
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$entityId = self::getEntityId( |
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$relationValue, |
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$idSerializedKey |
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); |
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if (null !== $entityId) { |
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$recursiveDiff[ |
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$idSerializedKey |
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] = $entityId; |
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} |
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$dirtyFields[$key][ |
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$relationKey |
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] = $recursiveDiff; |
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} |
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} |
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} |
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} |
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} |
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} |
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return $dirtyFields; |
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} |
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/** |
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* add defined identifiers to given model |
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* |
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* @param mixed $newSerializedModel |
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* @param ?mixed $idSerializedKey |
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*/ |
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private function addIdentifiers( |
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$newSerializedModel, |
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array $dirtyFields, |
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$idSerializedKey = null |
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): array { |
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foreach ($newSerializedModel as $key => $value) { |
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if ($idSerializedKey && isset($value[$idSerializedKey])) { |
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$dirtyFields[$key][$idSerializedKey] = $value[$idSerializedKey]; |
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} elseif (is_string($value) && is_int($key)) { |
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$dirtyFields[$key] = $value; |
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} |
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} |
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return $dirtyFields; |
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} |
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/** |
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* @param string|array $relationValue |
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* |
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* @return array|string |
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*/ |
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private function findOldRelation( |
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$relationValue, |
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array $oldValue, |
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ClassMetadata $classMetadata |
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) { |
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$idSerializedKey = $classMetadata->getIdSerializeKey(); |
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$relationValueId = self::getEntityId($relationValue, $idSerializedKey); |
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foreach ($oldValue as $oldRelationValue) { |
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$oldRelationValueId = self::getEntityId( |
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$oldRelationValue, |
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$idSerializedKey |
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); |
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if ($relationValueId === $oldRelationValueId) { |
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return $oldRelationValue; |
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} |
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} |
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return $classMetadata->getDefaultSerializedModel(); |
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} |
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/** |
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* get entity id from string or array |
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* |
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* @param string|array $stringOrEntity |
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* |
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* @return ?mixed |
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*/ |
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private static function getEntityId( |
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$stringOrEntity, |
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string $idSerializedKey |
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) { |
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if (!is_array($stringOrEntity)) { |
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return $stringOrEntity; |
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} |
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return $stringOrEntity[$idSerializedKey] ?? null; |
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} |
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} |
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mapado /
rest-client-sdk
