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<?php |
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declare(strict_types=1); |
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namespace Cycle\ORM\PromiseMapper; |
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use Cycle\ORM\Mapper\DatabaseMapper; |
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use Cycle\ORM\Mapper\Traits\SingleTableTrait; |
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use Cycle\ORM\ORMInterface; |
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use Cycle\ORM\Reference\Promise; |
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use Cycle\ORM\Reference\ReferenceInterface; |
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use Cycle\ORM\SchemaInterface; |
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use Doctrine\Instantiator; |
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use Laminas\Hydrator\HydratorInterface; |
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use Laminas\Hydrator\ReflectionHydrator; |
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/** |
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* Provide the ability to carry data over the specific class instances. Supports table inheritance using |
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* hidden entity field. |
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*/ |
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class PromiseMapper extends DatabaseMapper |
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{ |
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use SingleTableTrait; |
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protected string $entity; |
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protected array $children = []; |
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protected HydratorInterface $hydrator; |
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protected Instantiator\Instantiator $instantiator; |
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public function __construct(ORMInterface $orm, string $role) |
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{ |
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parent::__construct($orm, $role); |
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$this->schema = $orm->getSchema(); |
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$this->entity = $this->schema->define($role, SchemaInterface::ENTITY); |
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$this->children = $this->schema->define($role, SchemaInterface::CHILDREN) ?? []; |
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$this->discriminator = $this->schema->define($role, SchemaInterface::DISCRIMINATOR) ?? $this->discriminator; |
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$this->hydrator = new ReflectionHydrator(); |
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$this->instantiator = new Instantiator\Instantiator(); |
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} |
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#[\Override] |
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public function init(array $data, ?string $role = null): object |
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{ |
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/** @psalm-var class-string $class */ |
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$class = $this->resolveClass($data, $role); |
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434 |
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return $this->instantiator->instantiate($class); |
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} |
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450 |
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#[\Override] |
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public function hydrate(object $entity, array $data): object |
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{ |
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// Force searching related entities in the Heap |
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$relations = $this->relationMap->getRelations(); |
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foreach ($data as $k => $v) { |
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if (!$v instanceof ReferenceInterface || !\array_key_exists($k, $relations)) { |
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continue; |
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} |
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$relation = $relations[$k]; |
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$relation->resolve($v, false); |
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$data[$k] = $v->hasValue() |
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? $relation->collect($v->getValue()) |
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: new Promise($relation, $v); |
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} |
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return $this->hydrator->hydrate($data, $entity); |
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} |
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#[\Override] |
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public function extract(object $entity): array |
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{ |
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return $this->hydrator->extract($entity); |
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} |
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/** |
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* Get entity columns. |
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*/ |
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#[\Override] |
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public function fetchFields(object $entity): array |
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{ |
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$values = \array_intersect_key($this->extract($entity), $this->columns + $this->parentColumns); |
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return $values + $this->getDiscriminatorValues($entity); |
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} |
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#[\Override] |
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public function fetchRelations(object $entity): array |
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{ |
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return \array_intersect_key( |
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$this->extract($entity), |
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$this->relationMap->getRelations(), |
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); |
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} |
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} |
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cycle /
orm-promise-mapper
