Chris@14: <?php
Chris@14: 
Chris@14: /*
Chris@14:  * This file is part of the Symfony package.
Chris@14:  *
Chris@14:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@14:  *
Chris@14:  * For the full copyright and license information, please view the LICENSE
Chris@14:  * file that was distributed with this source code.
Chris@14:  */
Chris@14: 
Chris@14: namespace Symfony\Component\HttpKernel\Controller;
Chris@14: 
Chris@14: use Psr\Container\ContainerInterface;
Chris@14: use Psr\Log\LoggerInterface;
Chris@14: use Symfony\Component\DependencyInjection\Container;
Chris@14: use Symfony\Component\HttpFoundation\Request;
Chris@14: 
Chris@14: /**
Chris@14:  * A controller resolver searching for a controller in a psr-11 container when using the "service:method" notation.
Chris@14:  *
Chris@14:  * @author Fabien Potencier <fabien@symfony.com>
Chris@14:  * @author Maxime Steinhausser <maxime.steinhausser@gmail.com>
Chris@14:  */
Chris@14: class ContainerControllerResolver extends ControllerResolver
Chris@14: {
Chris@14:     protected $container;
Chris@14: 
Chris@14:     public function __construct(ContainerInterface $container, LoggerInterface $logger = null)
Chris@14:     {
Chris@14:         $this->container = $container;
Chris@14: 
Chris@14:         parent::__construct($logger);
Chris@14:     }
Chris@14: 
Chris@14:     /**
Chris@14:      * {@inheritdoc}
Chris@14:      */
Chris@14:     public function getController(Request $request)
Chris@14:     {
Chris@14:         $controller = parent::getController($request);
Chris@14: 
Chris@17:         if (\is_array($controller) && isset($controller[0]) && \is_string($controller[0]) && $this->container->has($controller[0])) {
Chris@14:             $controller[0] = $this->instantiateController($controller[0]);
Chris@14:         }
Chris@14: 
Chris@14:         return $controller;
Chris@14:     }
Chris@14: 
Chris@14:     /**
Chris@14:      * Returns a callable for the given controller.
Chris@14:      *
Chris@14:      * @param string $controller A Controller string
Chris@14:      *
Chris@14:      * @return mixed A PHP callable
Chris@14:      *
Chris@14:      * @throws \LogicException           When the name could not be parsed
Chris@14:      * @throws \InvalidArgumentException When the controller class does not exist
Chris@14:      */
Chris@14:     protected function createController($controller)
Chris@14:     {
Chris@14:         if (false !== strpos($controller, '::')) {
Chris@14:             return parent::createController($controller);
Chris@14:         }
Chris@14: 
Chris@14:         $method = null;
Chris@14:         if (1 == substr_count($controller, ':')) {
Chris@14:             // controller in the "service:method" notation
Chris@14:             list($controller, $method) = explode(':', $controller, 2);
Chris@14:         }
Chris@14: 
Chris@14:         if (!$this->container->has($controller)) {
Chris@14:             $this->throwExceptionIfControllerWasRemoved($controller);
Chris@14: 
Chris@14:             throw new \LogicException(sprintf('Controller not found: service "%s" does not exist.', $controller));
Chris@14:         }
Chris@14: 
Chris@14:         $service = $this->container->get($controller);
Chris@14:         if (null !== $method) {
Chris@17:             return [$service, $method];
Chris@14:         }
Chris@14: 
Chris@14:         if (!method_exists($service, '__invoke')) {
Chris@14:             throw new \LogicException(sprintf('Controller "%s" cannot be called without a method name. Did you forget an "__invoke" method?', $controller));
Chris@14:         }
Chris@14: 
Chris@14:         return $service;
Chris@14:     }
Chris@14: 
Chris@14:     /**
Chris@14:      * {@inheritdoc}
Chris@14:      */
Chris@14:     protected function instantiateController($class)
Chris@14:     {
Chris@14:         if ($this->container->has($class)) {
Chris@14:             return $this->container->get($class);
Chris@14:         }
Chris@14: 
Chris@14:         try {
Chris@14:             return parent::instantiateController($class);
Chris@14:         } catch (\ArgumentCountError $e) {
Chris@14:         } catch (\ErrorException $e) {
Chris@14:         } catch (\TypeError $e) {
Chris@14:         }
Chris@14: 
Chris@14:         $this->throwExceptionIfControllerWasRemoved($class, $e);
Chris@14: 
Chris@14:         throw $e;
Chris@14:     }
Chris@14: 
Chris@14:     /**
Chris@14:      * @param string                     $controller
Chris@14:      * @param \Exception|\Throwable|null $previous
Chris@14:      */
Chris@14:     private function throwExceptionIfControllerWasRemoved($controller, $previous = null)
Chris@14:     {
Chris@14:         if ($this->container instanceof Container && isset($this->container->getRemovedIds()[$controller])) {
Chris@14:             throw new \LogicException(sprintf('Controller "%s" cannot be fetched from the container because it is private. Did you forget to tag the service with "controller.service_arguments"?', $controller), 0, $previous);
Chris@14:         }
Chris@14:     }
Chris@14: }