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<?php |
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namespace Zenstruck\ControllerUtil\EventListener; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpKernel\Event\FilterControllerEvent; |
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use Zenstruck\ControllerUtil\ParamConverter\ParamConverter; |
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/** |
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* Convert the request parameters into objects when type-hinted. |
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* |
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* This replicates the SensioFrameworkExtraBundle behavior but keeps it simple |
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* and without a dependency to allow usage outside Symfony Framework apps |
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* (Silex, ..). |
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* |
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* @author Benjamin Eberlei <[email protected]> |
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* @author Kevin Bond <[email protected]> |
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* |
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* @see https://github.com/QafooLabs/QafooLabsNoFrameworkBundle |
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* @see https://github.com/sensiolabs/SensioFrameworkExtraBundle |
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*/ |
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class ParamConverterListener |
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{ |
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private $paramConverters; |
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/** |
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* @param ParamConverter[] $paramConverters |
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*/ |
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public function __construct(array $paramConverters = array()) |
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{ |
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$this->paramConverters = $paramConverters; |
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} |
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/** |
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* @param ParamConverter $paramConverter |
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*/ |
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public function addParamConverter(ParamConverter $paramConverter) |
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{ |
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$this->paramConverters[] = $paramConverter; |
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} |
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/** |
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* @param FilterControllerEvent $event |
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*/ |
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public function onKernelController(FilterControllerEvent $event) |
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{ |
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$controller = $event->getController(); |
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$request = $event->getRequest(); |
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if (is_array($controller)) { |
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$reflection = new \ReflectionMethod($controller[0], $controller[1]); |
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} elseif (is_string($controller)) { |
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$reflection = new \ReflectionFunction($controller); |
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} else { |
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// use __invoke |
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$objReflector = new \ReflectionObject($controller); |
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$reflection = $objReflector->getMethod('__invoke'); |
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} |
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foreach ($reflection->getParameters() as $param) { |
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if (!$param->getClass() || $param->getClass()->isInstance($request)) { |
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continue; |
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} |
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$this->apply($request, $param); |
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} |
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} |
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/** |
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* @param Request $request |
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* @param \ReflectionParameter $param |
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*/ |
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private function apply(Request $request, \ReflectionParameter $param) |
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{ |
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$class = $param->getClass()->getName(); |
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foreach ($this->paramConverters as $paramConverter) { |
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if (!$paramConverter->supports($class)) { |
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continue; |
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} |
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$request->attributes->set($param->getName(), $paramConverter->getObject($request)); |
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break; |
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} |
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} |
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} |
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|
kbond /
ControllerUtil
