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<?php |
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/** |
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* ExtReferenceConverter class file |
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*/ |
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namespace Graviton\DocumentBundle\Service; |
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use Graviton\DocumentBundle\Entity\ExtReference; |
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use Symfony\Component\Routing\RouterInterface; |
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use Symfony\Component\Routing\Route; |
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use Symfony\Component\Routing\Generator\UrlGeneratorInterface; |
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/** |
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* Extref converter |
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* |
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* @author List of contributors <https://github.com/libgraviton/graviton/graphs/contributors> |
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* @license http://opensource.org/licenses/gpl-license.php GNU Public License |
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* @link http://swisscom.ch |
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*/ |
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class ExtReferenceConverter implements ExtReferenceConverterInterface |
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{ |
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/** |
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* @var RouterInterface |
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*/ |
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private $router; |
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/** |
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* @var array |
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*/ |
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private $mapping; |
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/** |
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* @var Route[] |
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*/ |
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private $resolvingCache; |
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/** |
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* Constructor |
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* |
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* @param RouterInterface $router Router |
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* @param array $mapping colleciton_name => service_id mapping |
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*/ |
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public function __construct(RouterInterface $router, array $mapping) |
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{ |
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$this->router = $router; |
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$this->mapping = $mapping; |
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} |
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/** |
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* return the extref from URL |
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* |
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* @param string $url Extref URL |
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* @return ExtReference |
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* @throws \InvalidArgumentException |
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*/ |
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public function getExtReference($url) |
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{ |
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$path = parse_url($url, PHP_URL_PATH); |
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if ($path === false) { |
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throw new \InvalidArgumentException(sprintf('URL %s', $url)); |
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} |
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$id = null; |
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$collection = null; |
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if (!isset($this->resolvingCache[$path])) { |
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foreach ($this->router->getRouteCollection()->all() as $route) { |
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list($collection, $id) = $this->getDataFromRoute($route, $path); |
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if ($collection !== null && $id !== null) { |
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$this->resolvingCache[$path] = $route; |
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return ExtReference::create($collection, $id); |
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} |
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1 |
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} |
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} else { |
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list($collection, $id) = $this->getDataFromRoute($this->resolvingCache[$path], $path); |
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return ExtReference::create($collection, $id); |
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} |
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throw new \InvalidArgumentException(sprintf('Could not read URL %s', $url)); |
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} |
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/** |
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* return the URL from extref |
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* |
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* @param ExtReference $extReference Extref |
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* @return string |
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* @throws \InvalidArgumentException |
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*/ |
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public function getUrl(ExtReference $extReference) |
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{ |
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if (!isset($this->mapping[$extReference->getRef()])) { |
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throw new \InvalidArgumentException( |
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sprintf( |
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'Could not create URL from extref "%s"', |
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json_encode($extReference) |
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) |
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); |
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} |
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return $this->router->generate( |
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$this->mapping[$extReference->getRef()].'.get', |
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['id' => $extReference->getId()], |
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2 |
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UrlGeneratorInterface::ABSOLUTE_URL |
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2 |
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); |
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} |
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/** |
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* get collection and id from route |
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* |
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* @param Route $route route to look at |
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* @param string $value value of reference as URI |
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* |
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* @return array |
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*/ |
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private function getDataFromRoute(Route $route, $value) |
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{ |
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if ($route->getRequirement('id') !== null && |
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$route->getMethods() === ['GET'] && |
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preg_match($route->compile()->getRegex(), $value, $matches) |
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3 |
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) { |
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$id = $matches['id']; |
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list($routeService) = explode(':', $route->getDefault('_controller')); |
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list($core, $bundle,,$name) = explode('.', $routeService); |
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$serviceName = implode('.', [$core, $bundle, 'rest', $name]); |
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$collection = array_search($serviceName, $this->mapping); |
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return [$collection, $id]; |
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} |
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2 |
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return [null, null]; |
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} |
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} |
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libgraviton /
graviton
