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<?php |
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/** |
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* @author Oleh Boiko <[email protected]> |
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* |
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* @site https://mackrais.com |
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* |
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* @copyright 2014-2025 MackRais |
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* |
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* @date: 15.03.25 |
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*/ |
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declare(strict_types=1); |
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namespace MackRais\PropertyTransform; |
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use MackRais\PropertyTransform\Exception\InvalidArgumentException; |
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use MackRais\PropertyTransform\Exception\NotCallableException; |
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use Psr\Container\ContainerInterface; |
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class TransformerFactory |
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{ |
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private array $transformerCache = []; |
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public function __construct(private readonly ContainerInterface $container) |
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{ |
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} |
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public function create(object|string|array $transformer): callable |
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{ |
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$transformerId = $this->getCallableKey($transformer); |
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if (!isset($this->transformerCache[$transformerId])) { |
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$this->transformerCache[$transformerId] = function (...$params) use ($transformer) { |
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if ($transformer instanceof \Closure) { |
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return $transformer(...$params); |
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} |
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if (\is_array($transformer)) { |
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[$class, $method] = $transformer; |
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$object = \is_object($class) ? $class : $this->container->get($class); |
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if (null === $object) { |
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$object = new $class(); |
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} |
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/** @var object $object */ |
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$reflection = new \ReflectionMethod($object, $method); |
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$dependencies = []; |
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$paramsQueue = $params; |
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foreach ($reflection->getParameters() as $parameter) { |
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$type = $parameter->getType(); |
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if (!$type instanceof \ReflectionNamedType) { |
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continue; |
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} |
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if (!$type->isBuiltin()) { |
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$dependencies[] = $this->container->get($type->getName()); |
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} elseif (!empty($paramsQueue)) { |
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$dependencies[] = array_shift($paramsQueue); |
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} |
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} |
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return $reflection->invoke($object, ...$dependencies); |
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} |
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if (!\is_callable($transformer)) { |
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throw new NotCallableException('Provided transformer is not callable.'); |
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} |
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return $transformer(...$params); |
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}; |
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} |
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return $this->transformerCache[$transformerId]; |
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} |
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private function getCallableKey(object|string|array $transformer): string |
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{ |
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if (\is_string($transformer)) { |
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return $transformer; |
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} |
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if (\is_array($transformer)) { |
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if (2 !== \count($transformer)) { |
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throw new InvalidArgumentException('Array transformer must have exactly two elements: [object/class, method].'); |
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} |
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[$objectOrClass, $method] = $transformer; |
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if (!\is_string($method)) { |
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throw new InvalidArgumentException('The second element of the array transformer must be a method name (string).'); |
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} |
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if (\is_object($objectOrClass)) { |
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return spl_object_hash($objectOrClass).'::'.$method; |
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} |
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if (\is_string($objectOrClass) && class_exists($objectOrClass)) { |
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return $objectOrClass.'::'.$method; |
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} |
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throw new InvalidArgumentException('The first element of the array transformer must be an object or a valid class name.'); |
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} |
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return spl_object_hash($transformer); |
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} |
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} |
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mackrais-organization /
property-transform
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