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<?php |
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namespace Drupal\controller_annotations\EventSubscriber; |
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use Drupal\controller_annotations\Configuration\ParamConverter; |
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use Drupal\controller_annotations\Request\ParamConverter\ParamConverterManager; |
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use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpKernel\Event\FilterControllerEvent; |
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use Symfony\Component\HttpKernel\KernelEvents; |
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class ParamConverterEventSubscriber implements EventSubscriberInterface |
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{ |
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/** |
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* @var ParamConverterManager |
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*/ |
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protected $manager; |
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/** |
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* @var bool |
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*/ |
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protected $autoConvert; |
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/** |
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* @var bool |
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*/ |
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private $isParameterTypeSupported; |
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/** |
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* @param ParamConverterManager $manager A ParamConverterManager instance |
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* @param bool $autoConvert Auto convert non-configured objects |
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*/ |
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public function __construct(ParamConverterManager $manager, $autoConvert = true) |
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{ |
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$this->manager = $manager; |
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$this->autoConvert = $autoConvert; |
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$this->isParameterTypeSupported = method_exists('ReflectionParameter', 'getType'); |
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} |
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/** |
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* Modifies the ParamConverterManager instance. |
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* |
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* @param FilterControllerEvent $event A FilterControllerEvent instance |
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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 = $event->getRequest(); |
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$configurations = []; |
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if ($configuration = $request->attributes->get('_converters')) { |
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foreach (is_array($configuration) ? $configuration : [$configuration] as $configuration) { |
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$configurations[$configuration->getName()] = $configuration; |
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} |
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} |
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// automatically apply conversion for non-configured objects |
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if ($this->autoConvert) { |
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$configurations = $this->autoConfigure($this->resolveMethod($controller), $request, $configurations); |
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} |
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$this->manager->apply($request, $configurations); |
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} |
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/** |
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* @param $controller |
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* |
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* @return \ReflectionFunction|\ReflectionMethod |
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*/ |
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protected function resolveMethod($controller) |
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{ |
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if (is_array($controller)) { |
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return new \ReflectionMethod($controller[0], $controller[1]); |
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} |
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if (is_object($controller) && is_callable($controller, '__invoke')) { |
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return new \ReflectionMethod($controller, '__invoke'); |
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} |
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return new \ReflectionFunction($controller); |
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} |
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/** |
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* @param \ReflectionFunctionAbstract $r |
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* @param \Symfony\Component\HttpFoundation\Request $request |
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* @param array $configurations |
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* |
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* @return array |
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*/ |
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private function autoConfigure(\ReflectionFunctionAbstract $r, Request $request, $configurations) |
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{ |
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foreach ($r->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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$name = $param->getName(); |
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$class = $param->getClass(); |
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$hasType = $this->isParameterTypeSupported && $param->hasType(); |
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if ($class || $hasType) { |
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if (!isset($configurations[$name])) { |
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$configuration = new ParamConverter([]); |
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$configuration->setName($name); |
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$configurations[$name] = $configuration; |
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} |
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if ($class && null === $configurations[$name]->getClass()) { |
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$configurations[$name]->setClass($class->getName()); |
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} |
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} |
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if (isset($configurations[$name])) { |
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$configurations[$name]->setIsOptional( |
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$param->isOptional() |
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|| $param->isDefaultValueAvailable() |
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|| $hasType && $param->getType()->allowsNull() |
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); |
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} |
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} |
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return $configurations; |
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} |
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/** |
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* @return array |
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*/ |
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public static function getSubscribedEvents() |
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{ |
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return [ |
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KernelEvents::CONTROLLER => [ |
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['onKernelController', 100], |
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], |
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]; |
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} |
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} |
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mediamonks /
drupal-controller-annotations
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