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<?php |
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namespace Maiorano\ObjectHydrator; |
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use Generator; |
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use Maiorano\ObjectHydrator\Attributes\HydrationStrategy; |
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use Maiorano\ObjectHydrator\Strategies\HydrationStrategyInterface; |
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use Maiorano\ObjectHydrator\Strategies\Reflection\MethodsStrategy; |
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use Maiorano\ObjectHydrator\Strategies\Reflection\PropertiesStrategy; |
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use ReflectionAttribute; |
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use ReflectionClass; |
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use ReflectionException; |
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use stdClass; |
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final class Hydrator implements HydratorInterface |
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{ |
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/** |
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* @param string|object $object |
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* @param array $input |
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* |
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* @throws ReflectionException |
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* |
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* @return object |
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*/ |
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public function hydrate(string|object $object, array $input): object |
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{ |
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$reflect = new ReflectionClass($object); |
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if (is_string($object)) { |
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$object = $reflect->newInstanceWithoutConstructor(); |
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} |
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$strategies = iterator_to_array($this->generateStrategies($reflect)); |
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foreach ($input as $key => $value) { |
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if ($strategy = $this->locateStrategy($strategies, $object, $key)) { |
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$this->executeStrategy($strategy, $object, $key, $value); |
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} |
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} |
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return $object; |
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} |
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/** |
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* @param ReflectionClass $reflect |
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* |
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* @return Generator |
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*/ |
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private function generateStrategies(ReflectionClass $reflect): Generator |
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{ |
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$attributes = $reflect->getAttributes(HydrationStrategy::class); |
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yield from $attributes |
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? $this->loadFromAttributes($attributes) |
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: $this->loadFromDefaults(); |
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} |
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/** |
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* @param ReflectionAttribute[] $attributes |
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* |
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* @return Generator |
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*/ |
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private function loadFromAttributes(array $attributes): Generator |
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{ |
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foreach ($attributes as $attribute) { |
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$key = $attribute->newInstance(); |
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$name = $key->getStrategy(); |
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yield new $name(...$key->getArgs()); |
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} |
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} |
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/** |
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* @return Generator |
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*/ |
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private function loadFromDefaults(): Generator |
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{ |
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yield new PropertiesStrategy(); |
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yield new MethodsStrategy(); |
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} |
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/** |
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* @param HydrationStrategyInterface[] $strategies |
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* @param object $object |
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* @param string $key |
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* |
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* @return HydrationStrategyInterface|null |
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*/ |
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private function locateStrategy(array $strategies, object $object, string $key): ?HydrationStrategyInterface |
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{ |
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foreach ($strategies as $strategy) { |
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$strategy->initialize($object); |
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if ($strategy->hasMatchingKey($key)) { |
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return $strategy; |
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} |
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} |
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return null; |
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} |
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/** |
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* @param HydrationStrategyInterface $strategy |
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* @param object $object |
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* @param string $key |
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* @param mixed $value |
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* |
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* @throws ReflectionException |
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* |
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* @return void |
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*/ |
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private function executeStrategy(HydrationStrategyInterface $strategy, object $object, string $key, mixed $value): void |
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{ |
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$mapping = $strategy->getMapping($key); |
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if (!$strategy->isRecursive($key, $value)) { |
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$mapping->setValue($object, $value); |
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return; |
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} |
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$type = $mapping->getType()?->getName() ?? stdClass::class; |
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$mapping->setValue($object, $this->hydrate($type, $value)); |
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} |
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} |
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maiorano84 /
object-hydrator
