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<?php |
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/** |
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* basic rest controller |
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*/ |
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namespace Graviton\RestBundle\Controller; |
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use Graviton\DocumentBundle\Service\CollectionCache; |
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use Graviton\ExceptionBundle\Exception\InvalidJsonPatchException; |
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use Graviton\ExceptionBundle\Exception\MalformedInputException; |
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use Graviton\ExceptionBundle\Exception\SerializationException; |
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use Graviton\RestBundle\Model\DocumentModel; |
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use Graviton\RestBundle\Service\RestUtils; |
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use Graviton\SchemaBundle\SchemaUtils; |
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use Graviton\SecurityBundle\Service\SecurityUtils; |
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use Symfony\Component\Security\Core\Exception\UsernameNotFoundException; |
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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\HttpFoundation\Response; |
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use Symfony\Component\Routing\Exception\RouteNotFoundException; |
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use Symfony\Bundle\FrameworkBundle\Routing\Router; |
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use Symfony\Bundle\FrameworkBundle\Templating\EngineInterface; |
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use Rs\Json\Patch; |
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use Graviton\RestBundle\Service\JsonPatchValidator; |
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/** |
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* This is a basic rest controller. It should fit the most needs but if you need to add some |
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* extra functionality you can extend it and overwrite single/all actions. |
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* You can also extend the model class to add some extra logic before save |
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* |
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* @author List of contributors <https://github.com/libgraviton/graviton/graphs/contributors> |
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* @license https://opensource.org/licenses/MIT MIT License |
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* @link http://swisscom.ch |
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*/ |
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class RestController |
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{ |
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/** |
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* @var DocumentModel |
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*/ |
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private $model; |
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/** |
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* @var ContainerInterface service_container |
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*/ |
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private $container; |
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/** |
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* @var Response |
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*/ |
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private $response; |
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/** |
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* @var SchemaUtils |
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*/ |
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private $schemaUtils; |
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/** |
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* @var RestUtils |
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*/ |
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protected $restUtils; |
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/** |
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* @var Router |
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*/ |
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private $router; |
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/** |
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* @var EngineInterface |
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*/ |
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private $templating; |
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/** |
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* @var JsonPatchValidator |
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*/ |
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private $jsonPatchValidator; |
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/** |
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* @var SecurityUtils |
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*/ |
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protected $securityUtils; |
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/** @var CollectionCache */ |
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protected $collectionCache; |
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/** |
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* @param Response $response Response |
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* @param RestUtils $restUtils Rest Utils |
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* @param Router $router Router |
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* @param EngineInterface $templating Templating |
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* @param ContainerInterface $container Container |
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* @param SchemaUtils $schemaUtils Schema utils |
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* @param CollectionCache $cache Cache service |
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* @param JsonPatchValidator $jsonPatch Service for validation json patch |
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* @param SecurityUtils $security The securityUtils service |
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*/ |
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public function __construct( |
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Response $response, |
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RestUtils $restUtils, |
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Router $router, |
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EngineInterface $templating, |
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ContainerInterface $container, |
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SchemaUtils $schemaUtils, |
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CollectionCache $cache, |
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JsonPatchValidator $jsonPatch, |
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SecurityUtils $security |
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) { |
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$this->response = $response; |
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$this->restUtils = $restUtils; |
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$this->router = $router; |
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$this->templating = $templating; |
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$this->container = $container; |
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$this->schemaUtils = $schemaUtils; |
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$this->collectionCache = $cache; |
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$this->jsonPatchValidator = $jsonPatch; |
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$this->securityUtils = $security; |
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} |
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/** |
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* Get the container object |
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* |
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* @return \Symfony\Component\DependencyInjection\ContainerInterface |
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* |
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* @obsolete |
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*/ |
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public function getContainer() |
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{ |
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return $this->container; |
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} |
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/** |
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* Returns a single record |
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* |
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* @param Request $request Current http request |
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* @param string $id ID of record |
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* |
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* @return \Symfony\Component\HttpFoundation\Response $response Response with result or error |
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*/ |
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public function getAction(Request $request, $id) |
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{ |
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$document = $this->getModel()->getSerialised($id, $request); |
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$response = $this->getResponse() |
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->setStatusCode(Response::HTTP_OK) |
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->setContent($document); |
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return $response; |
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} |
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/** |
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* Get the response object |
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* |
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* @return \Symfony\Component\HttpFoundation\Response $response Response object |
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*/ |
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public function getResponse() |
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{ |
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return $this->response; |
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} |
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/** |
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* Return the model |
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* |
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* @throws \Exception in case no model was defined. |
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* |
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* @return DocumentModel $model Model |
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*/ |
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public function getModel() |
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{ |
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if (!$this->model) { |
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throw new \Exception('No model is set for this controller'); |
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} |
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return $this->model; |
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} |
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/** |
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* Set the model class |
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* |
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* @param DocumentModel $model Model class |
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* |
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* @return self |
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*/ |
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public function setModel(DocumentModel $model) |
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{ |
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$this->model = $model; |
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return $this; |
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} |
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/** |
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* Returns all records |
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* |
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* @param Request $request Current http request |
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* |
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* @return \Symfony\Component\HttpFoundation\Response $response Response with result or error |
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*/ |
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public function allAction(Request $request) |
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{ |
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$model = $this->getModel(); |
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$content = $this->restUtils->serialize($model->findAll($request)); |
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$response = $this->getResponse() |
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->setStatusCode(Response::HTTP_OK) |
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->setContent($content); |
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return $response; |
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} |
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/** |
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* Writes a new Entry to the database |
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* |
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* @param Request $request Current http request |
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* |
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* @return \Symfony\Component\HttpFoundation\Response $response Result of action with data (if successful) |
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*/ |
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public function postAction(Request $request) |
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{ |
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// Get the response object from container |
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$response = $this->getResponse(); |
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$model = $this->getModel(); |
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$this->restUtils->checkJsonRequest($request, $response, $this->getModel()); |
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$record = $this->restUtils->validateRequest($request->getContent(), $model); |
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// Insert the new record |
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$record = $model->insertRecord($record); |
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// store id of new record so we dont need to reparse body later when needed |
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$request->attributes->set('id', $record->getId()); |
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// Set status code |
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$response->setStatusCode(Response::HTTP_CREATED); |
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$response->headers->set( |
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'Location', |
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$this->getRouter()->generate($this->restUtils->getRouteName($request), array('id' => $record->getId())) |
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); |
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return $response; |
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} |
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/** |
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* Get the router from the dic |
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* |
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* @return Router |
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*/ |
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public function getRouter() |
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{ |
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return $this->router; |
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} |
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/** |
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* Update a record |
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* |
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* @param Number $id ID of record |
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* @param Request $request Current http request |
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* |
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* @throws MalformedInputException |
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* |
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* @return Response $response Result of action with data (if successful) |
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*/ |
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public function putAction($id, Request $request) |
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{ |
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$response = $this->getResponse(); |
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$model = $this->getModel(); |
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$repository = $model->getRepository(); |
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// Check and wait if another update is being processed |
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$this->collectionCache->updateOperationCheck($repository, $id); |
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$this->collectionCache->addUpdateLock($repository, $id); |
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// Validate received data. On failure release the lock. |
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try { |
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$this->restUtils->checkJsonRequest($request, $response, $this->getModel()); |
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$record = $this->restUtils->validateRequest($request->getContent(), $model); |
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} catch (\Exception $e) { |
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$this->collectionCache->releaseUpdateLock($repository, $id); |
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throw $e; |
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} |
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// handle missing 'id' field in input to a PUT operation |
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// if it is settable on the document, let's set it and move on.. if not, inform the user.. |
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if ($record->getId() != $id) { |
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// try to set it.. |
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if (is_callable(array($record, 'setId'))) { |
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$record->setId($id); |
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} else { |
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$this->collectionCache->releaseUpdateLock($repository, $id); |
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throw new MalformedInputException('No ID was supplied in the request payload.'); |
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} |
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} |
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294
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// And update the record, if everything is ok |
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if (!$this->getModel()->recordExists($id)) { |
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$this->getModel()->insertRecord($record, false); |
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} else { |
298
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$this->getModel()->updateRecord($id, $record, false); |
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} |
300
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301
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$this->collectionCache->releaseUpdateLock($repository, $id); |
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// Set status code |
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$response->setStatusCode(Response::HTTP_NO_CONTENT); |
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// store id of new record so we dont need to reparse body later when needed |
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$request->attributes->set('id', $record->getId()); |
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return $response; |
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} |
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312
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/** |
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* Patch a record |
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* |
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* @param Number $id ID of record |
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* @param Request $request Current http request |
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* |
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* @throws MalformedInputException |
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* |
320
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* @return Response $response Result of action with data (if successful) |
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*/ |
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public function patchAction($id, Request $request) |
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{ |
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$response = $this->getResponse(); |
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$model = $this->getModel(); |
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$repository = $model->getRepository(); |
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// Check and wait if another update is being processed |
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$this->collectionCache->updateOperationCheck($repository, $id); |
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$this->collectionCache->addUpdateLock($repository, $id); |
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// Validate received data. On failure release the lock. |
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try { |
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// Check JSON Patch request |
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$this->restUtils->checkJsonRequest($request, $response, $model); |
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$this->restUtils->checkJsonPatchRequest(json_decode($request->getContent(), 1)); |
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338
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// Find record && apply $ref converter |
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$jsonDocument = $model->getSerialised($id, null, true); |
340
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341
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try { |
342
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// Check if valid |
343
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$this->jsonPatchValidator->validate($jsonDocument, $request->getContent()); |
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// Apply JSON patches |
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$patch = new Patch($jsonDocument, $request->getContent()); |
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$patchedDocument = $patch->apply(); |
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} catch (\Exception $e) { |
348
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throw new InvalidJsonPatchException($e->getMessage()); |
349
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} |
350
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} catch (\Exception $e) { |
351
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throw $e; |
352
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} finally { |
353
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$this->collectionCache->releaseUpdateLock($repository, $id); |
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} |
355
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356
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// if document hasn't changed, pass HTTP_NOT_MODIFIED and exit |
357
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if ($jsonDocument == $patchedDocument) { |
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$this->collectionCache->releaseUpdateLock($repository, $id); |
359
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$response->setStatusCode(Response::HTTP_NOT_MODIFIED); |
360
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return $response; |
361
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} |
362
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|
363
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// Validate result object |
364
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try { |
365
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$record = $this->restUtils->validateRequest($patchedDocument, $model); |
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} catch (\Exception $e) { |
367
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$this->collectionCache->releaseUpdateLock($repository, $id); |
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throw $e; |
369
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} |
370
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371
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// Update object |
372
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$this->getModel()->updateRecord($id, $record); |
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$this->collectionCache->releaseUpdateLock($repository, $id); |
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375
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// Set status response code |
376
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$response->setStatusCode(Response::HTTP_OK); |
377
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$response->headers->set( |
378
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'Content-Location', |
379
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$this->getRouter()->generate($this->restUtils->getRouteName($request), array('id' => $record->getId())) |
380
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); |
381
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382
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return $response; |
383
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} |
384
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|
385
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/** |
386
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* Deletes a record |
387
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* |
388
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* @param Number $id ID of record |
389
|
|
|
* |
390
|
|
|
* @return Response $response Result of the action |
391
|
|
|
*/ |
392
|
|
|
public function deleteAction($id) |
393
|
|
|
{ |
394
|
|
|
$response = $this->getResponse(); |
395
|
|
|
$this->model->deleteRecord($id); |
396
|
|
|
$response->setStatusCode(Response::HTTP_NO_CONTENT); |
397
|
|
|
|
398
|
|
|
return $response; |
399
|
|
|
} |
400
|
|
|
|
401
|
|
|
/** |
402
|
|
|
* Return OPTIONS results. |
403
|
|
|
* |
404
|
|
|
* @param Request $request Current http request |
405
|
|
|
* |
406
|
|
|
* @throws SerializationException |
407
|
|
|
* @return \Symfony\Component\HttpFoundation\Response $response Result of the action |
408
|
|
|
*/ |
409
|
|
|
public function optionsAction(Request $request) |
410
|
|
|
{ |
411
|
|
|
list($app, $module, , $modelName) = explode('.', $request->attributes->get('_route')); |
412
|
|
|
|
413
|
|
|
$response = $this->response; |
414
|
|
|
$response->setStatusCode(Response::HTTP_NO_CONTENT); |
415
|
|
|
|
416
|
|
|
// enabled methods for CorsListener |
417
|
|
|
$corsMethods = 'GET, POST, PUT, PATCH, DELETE, OPTIONS'; |
418
|
|
|
try { |
419
|
|
|
$router = $this->getRouter(); |
420
|
|
|
// if post route is available we assume everything is readable |
421
|
|
|
$router->generate(implode('.', array($app, $module, 'rest', $modelName, 'post'))); |
422
|
|
|
} catch (RouteNotFoundException $exception) { |
423
|
|
|
// only allow read methods |
424
|
|
|
$corsMethods = 'GET, OPTIONS'; |
425
|
|
|
} |
426
|
|
|
$request->attributes->set('corsMethods', $corsMethods); |
427
|
|
|
|
428
|
|
|
return $response; |
429
|
|
|
} |
430
|
|
|
|
431
|
|
|
|
432
|
|
|
/** |
433
|
|
|
* Return schema GET results. |
434
|
|
|
* |
435
|
|
|
* @param Request $request Current http request |
436
|
|
|
* @param string $id ID of record |
|
|
|
|
437
|
|
|
* |
438
|
|
|
* @throws SerializationException |
439
|
|
|
* @return \Symfony\Component\HttpFoundation\Response $response Result of the action |
440
|
|
|
*/ |
441
|
|
|
public function schemaAction(Request $request, $id = null) |
442
|
|
|
{ |
443
|
|
|
$request->attributes->set('schemaRequest', true); |
444
|
|
|
|
445
|
|
|
list($app, $module, , $modelName, $schemaType) = explode('.', $request->attributes->get('_route')); |
446
|
|
|
|
447
|
|
|
$response = $this->response; |
448
|
|
|
$response->setStatusCode(Response::HTTP_OK); |
449
|
|
|
$response->setVary(['Origin', 'Accept-Encoding']); |
450
|
|
|
$response->setPublic(); |
451
|
|
|
|
452
|
|
|
if (!$id && $schemaType != 'canonicalIdSchema') { |
453
|
|
|
$schema = $this->schemaUtils->getCollectionSchema($modelName, $this->getModel()); |
454
|
|
|
} else { |
455
|
|
|
$schema = $this->schemaUtils->getModelSchema($modelName, $this->getModel()); |
456
|
|
|
} |
457
|
|
|
|
458
|
|
|
// enabled methods for CorsListener |
459
|
|
|
$corsMethods = 'GET, POST, PUT, PATCH, DELETE, OPTIONS'; |
460
|
|
|
try { |
461
|
|
|
$router = $this->getRouter(); |
462
|
|
|
// if post route is available we assume everything is readable |
463
|
|
|
$router->generate(implode('.', array($app, $module, 'rest', $modelName, 'post'))); |
464
|
|
|
} catch (RouteNotFoundException $exception) { |
465
|
|
|
// only allow read methods |
466
|
|
|
$corsMethods = 'GET, OPTIONS'; |
467
|
|
|
} |
468
|
|
|
$request->attributes->set('corsMethods', $corsMethods); |
469
|
|
|
|
470
|
|
|
|
471
|
|
|
return $this->render( |
472
|
|
|
'GravitonRestBundle:Main:index.json.twig', |
473
|
|
|
['response' => $this->restUtils->serialize($schema)], |
474
|
|
|
$response |
475
|
|
|
); |
476
|
|
|
} |
477
|
|
|
|
478
|
|
|
/** |
479
|
|
|
* Renders a view. |
480
|
|
|
* |
481
|
|
|
* @param string $view The view name |
482
|
|
|
* @param array $parameters An array of parameters to pass to the view |
483
|
|
|
* @param Response $response A response instance |
|
|
|
|
484
|
|
|
* |
485
|
|
|
* @return Response A Response instance |
486
|
|
|
*/ |
487
|
|
|
public function render($view, array $parameters = array(), Response $response = null) |
488
|
|
|
{ |
489
|
|
|
return $this->templating->renderResponse($view, $parameters, $response); |
490
|
|
|
} |
491
|
|
|
|
492
|
|
|
|
493
|
|
|
/** |
494
|
|
|
* Security needs to be enabled to get Object. |
495
|
|
|
* |
496
|
|
|
* @return String |
|
|
|
|
497
|
|
|
* @throws UsernameNotFoundException |
498
|
|
|
*/ |
499
|
|
|
public function getSecurityUser() |
500
|
|
|
{ |
501
|
|
|
return $this->securityUtils->getSecurityUser(); |
502
|
|
|
} |
503
|
|
|
} |
504
|
|
|
|
This check looks for
@param
annotations where the type inferred by our type inference engine differs from the declared type.It makes a suggestion as to what type it considers more descriptive.
Most often this is a case of a parameter that can be null in addition to its declared types.