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<?php |
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namespace Zalas\Bundle\ParamConverterBundle\Request\ParamConverter; |
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use Sensio\Bundle\FrameworkExtraBundle\Configuration\ParamConverter; |
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use Sensio\Bundle\FrameworkExtraBundle\Request\ParamConverter\ParamConverterInterface; |
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use Symfony\Component\DependencyInjection\ContainerInterface; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpKernel\Exception\NotFoundHttpException; |
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class ServiceParamConverter implements ParamConverterInterface |
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{ |
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/** |
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* @var ContainerInterface |
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*/ |
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private $container; |
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/** |
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* @param ContainerInterface $container |
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*/ |
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public function __construct(ContainerInterface $container) |
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{ |
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$this->container = $container; |
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} |
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/** |
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* @param Request $request |
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* @param ParamConverter $configuration |
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* |
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* @return bool |
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*/ |
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public function apply(Request $request, ParamConverter $configuration) |
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{ |
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$object = $this->callService($request, $configuration); |
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$class = $configuration->getClass(); |
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if ($object instanceof $class) { |
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$request->attributes->set($configuration->getName(), $object); |
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return true; |
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} |
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if ($configuration->isOptional()) { |
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return false; |
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} |
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throw new NotFoundHttpException(sprintf('Object of class "%s" not found.', $class)); |
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} |
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/** |
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* @param ParamConverter $configuration |
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* |
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* @return bool |
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*/ |
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public function supports(ParamConverter $configuration) |
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{ |
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$options = $configuration->getOptions(); |
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return !empty($options['service']) && !empty($options['method']); |
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} |
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/** |
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* @param Request $request |
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* @param ParamConverter $configuration |
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* |
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* @return mixed |
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*/ |
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private function callService(Request $request, ParamConverter $configuration) |
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{ |
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$options = $configuration->getOptions(); |
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$callable = $this->getCallable($options); |
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return call_user_func_array($callable, $this->extractArguments($request, $options)); |
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} |
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/** |
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* @param Request $request |
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* @param array $options |
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* |
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* @return array |
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*/ |
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private function extractArguments(Request $request, array $options) |
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{ |
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$arguments = isset($options['arguments']) && is_array($options['arguments']) ? $options['arguments'] : []; |
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return array_map( |
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function ($argument) use ($request) { |
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return $request->attributes->get($argument); |
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}, |
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$arguments |
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); |
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} |
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/** |
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* @param array $options |
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* |
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* @return array |
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*/ |
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private function getCallable(array $options) |
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{ |
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$serviceId = $options['service']; |
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$method = $options['method']; |
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$service = $this->container->get($serviceId); |
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$callable = [$service, $method]; |
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if (!is_callable($callable)) { |
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throw new \InvalidArgumentException(sprintf( |
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'The param converter is configured to use a non existent method "%s::%s()" on the "%s" service.', |
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get_class($service), $method, $serviceId |
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)); |
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} |
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return $callable; |
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} |
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} |
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jakzal /
ParamConverterBundle
