AbstractRestResourceController::getSubResourceEntityClass() - Code Metrics - Inspection of "Using Symfony Serializer for Denormalization" - dontdrinkandroot/rest-bundle.php - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 658cec...20b116 )

by Philip

created 2018-09-17 22:11 UTC

getSubResourceEntityClass() A

↳ Parent: AbstractRestResourceController

Complexity

Conditions	1
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	3
CRAP Score	1

Importance

Changes

Metric	Value
dl	0
loc	7
ccs	3
cts	3
cp	1
rs	10
c	0
b	0
f	0
cc	1
nc	1
nop	1
crap	1

<?php

namespace Dontdrinkandroot\RestBundle\Controller;

use Doctrine\ORM\Tools\Pagination\Paginator;
use Dontdrinkandroot\RestBundle\Metadata\Annotation\Method;
use Dontdrinkandroot\RestBundle\Metadata\Annotation\Right;
use Dontdrinkandroot\RestBundle\Metadata\ClassMetadata;
use Dontdrinkandroot\RestBundle\Metadata\PropertyMetadata;
use Dontdrinkandroot\RestBundle\Metadata\RestMetadataFactory;
use Dontdrinkandroot\RestBundle\Serializer\RestDenormalizer;
use Dontdrinkandroot\RestBundle\Serializer\RestNormalizer;
use Symfony\Component\HttpFoundation\JsonResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\RequestStack;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
use Symfony\Component\PropertyAccess\PropertyAccessorInterface;
use Symfony\Component\Security\Core\Authorization\AuthorizationCheckerInterface;
use Symfony\Component\Security\Core\Exception\AccessDeniedException;
use Symfony\Component\Serializer\SerializerInterface;
use Symfony\Component\Validator\ConstraintViolationInterface;
use Symfony\Component\Validator\ConstraintViolationListInterface;
use Symfony\Component\Validator\Validator\ValidatorInterface;

/**
 * @author Philip Washington Sorst <[email protected]>
 */
abstract class AbstractRestResourceController implements RestResourceControllerInterface
{
    /**
     * @var ValidatorInterface
     */
    private $validator;

    /**
     * @var RequestStack
     */
    private $requestStack;

    /**
     * @var RestMetadataFactory
     */
    private $metadataFactory;

    /**
     * @var PropertyAccessorInterface
     */
    private $propertyAccessor;

    /**
     * @var AuthorizationCheckerInterface
     */
    private $authorizationChecker;

    /**
     * @var SerializerInterface
     */
    private $serializer;

    public function __construct(
        ValidatorInterface $validator,
        RequestStack $requestStack,
        RestMetadataFactory $metadataFactory,
        PropertyAccessorInterface $propertyAccessor,
        SerializerInterface $serializer
    ) {
        $this->validator = $validator;
        $this->requestStack = $requestStack;
        $this->metadataFactory = $metadataFactory;
        $this->propertyAccessor = $propertyAccessor;
        $this->serializer = $serializer;
    }

    /**
     * {@inheritdoc}
     */
    public function listAction(Request $request)
    {
        $page = $request->query->get('page', 1);
        $perPage = $request->query->get('perPage', 50);

        $this->assertMethodGranted(Method::LIST);

        $listResult = $this->listEntities($page, $perPage);

        $response = new JsonResponse();

        if ($listResult instanceof Paginator) {
            $entities = iterator_to_array($listResult->getIterator());
            $total = $listResult->count();
            $this->addPaginationHeaders($response, $page, $perPage, $total);
        } else {
            $entities = $listResult;
        }

        $json = $this->getSerializer()->serialize(
            $entities,
            'json',
            [
                RestNormalizer::DDR_REST_INCLUDES => $this->parseIncludes($request),
                RestNormalizer::DDR_REST_DEPTH    => 0,
                RestNormalizer::DDR_REST_PATH     => ''
            ]
        );
        $response->setJson($json);

        return $response;
    }

    /**
     * {@inheritdoc}
     */
    public function postAction(Request $request)
    {
        $this->assertMethodGranted(Method::POST);

        $entity = $this->serializer->deserialize(
            $request->getContent(),
            $this->getEntityClass(),
            'json',
            [RestDenormalizer::DDR_REST_METHOD => Method::POST]
        );
        $entity = $this->postProcessPostedEntity($entity);

        $errors = $this->getValidator()->validate($entity);
        if ($errors->count() > 0) {
            return new JsonResponse($this->parseConstraintViolations($errors), Response::HTTP_BAD_REQUEST);
        }

        $entity = $this->createEntity($entity);

        $response = new JsonResponse(null, Response::HTTP_CREATED);

        $json = $this->getSerializer()->serialize(
            $entity,
            'json',
            [
                RestNormalizer::DDR_REST_INCLUDES => $this->parseIncludes($request),
                RestNormalizer::DDR_REST_DEPTH    => 0,
                RestNormalizer::DDR_REST_PATH     => ''
            ]
        );
        $response->setJson($json);

        return $response;
    }

    /**
     * {@inheritdoc}
     */
    public function getAction(Request $request, $id)
    {
        $entity = $this->fetchEntity($id);
        $this->assertMethodGranted(Method::GET, $entity);

        $response = new JsonResponse();
        $json = $this->getSerializer()->serialize(
            $entity,
            'json',
            [
                RestNormalizer::DDR_REST_INCLUDES => $this->parseIncludes($request),
                RestNormalizer::DDR_REST_DEPTH    => 0,
                RestNormalizer::DDR_REST_PATH     => ''
            ]
        );
        $response->setJson($json);

        return $response;
    }

    /**
     * {@inheritdoc}
     */
    public function putAction(Request $request, $id)
    {
        $entity = $this->fetchEntity($id);
        $this->assertMethodGranted(Method::PUT, $entity);

        $entity = $this->serializer->deserialize(
            $request->getContent(),
            $this->getEntityClass(),
            'json',
            [RestDenormalizer::DDR_REST_METHOD => Method::PUT, RestDenormalizer::DDR_REST_ENTITY => $entity]
        );
        $entity = $this->postProcessPuttedEntity($entity);

        $errors = $this->getValidator()->validate($entity);
        if ($errors->count() > 0) {
            return new JsonResponse($this->parseConstraintViolations($errors), Response::HTTP_BAD_REQUEST);
        }

        $entity = $this->updateEntity($entity);

        $response = new JsonResponse();

        $json = $this->getSerializer()->serialize(
            $entity,
            'json',
            [
                RestNormalizer::DDR_REST_INCLUDES => $this->parseIncludes($request),
                RestNormalizer::DDR_REST_DEPTH    => 0,
                RestNormalizer::DDR_REST_PATH     => ''
            ]
        );
        $response->setJson($json);

        return $response;
    }

    /**
     * {@inheritdoc}
     */
    public function deleteAction(Request $request, $id)
    {
        $entity = $this->fetchEntity($id);
        $this->assertMethodGranted(Method::DELETE, $entity);
        $this->removeEntity($entity);

        return new JsonResponse(null, Response::HTTP_NO_CONTENT);
    }

    /**
     * {@inheritdoc}
     */
    public function listSubresourceAction(Request $request, $id, string $subresource)
    {
        $page = $request->query->get('page', 1);
        $perPage = $request->query->get('perPage', 50);

        $entity = $this->fetchEntity($id);
        $this->assertSubResourceMethodGranted(Method::LIST, $entity, $subresource);

        $listResult = $this->listSubresource($entity, $subresource, $page, $perPage);

        $response = new JsonResponse();

        if ($listResult instanceof Paginator) {
            $entities = iterator_to_array($listResult->getIterator());
            $total = $listResult->count();
            $this->addPaginationHeaders($response, $page, $perPage, $total);
        } else {
            $entities = $listResult;
        }

        $json = $this->getSerializer()->serialize(
            $entities,
            'json',
            [
                RestNormalizer::DDR_REST_INCLUDES => $this->parseIncludes($request),
                RestNormalizer::DDR_REST_DEPTH    => 0,
                RestNormalizer::DDR_REST_PATH     => ''
            ]
        );
        $response->setJson($json);

        return $response;
    }

    /**
     * {@inheritdoc}
     */
    public function postSubresourceAction(Request $request, $id, string $subresource)
    {
        $parent = $this->fetchEntity($id);
        $this->assertSubResourceMethodGranted(Method::POST, $parent, $subresource);

        $entity = $this->serializer->deserialize(
            $request->getContent(),
            $this->getSubResourceEntityClass($subresource),
            'json',
            [RestDenormalizer::DDR_REST_METHOD => Method::POST]
        );

        $entity = $this->buildAssociation($parent, $subresource, $entity);
        $entity = $this->postProcessSubResourcePostedEntity($parent, $subresource, $entity);

        $errors = $this->getValidator()->validate($entity);

        if ($errors->count() > 0) {
            return new JsonResponse($this->parseConstraintViolations($errors), Response::HTTP_BAD_REQUEST);
        }

        $entity = $this->createAssociation($entity);

        $response = new JsonResponse(null, Response::HTTP_CREATED);
        $json = $this->getSerializer()->serialize(
            $entity,
            'json',
            [
                RestNormalizer::DDR_REST_INCLUDES => $this->parseIncludes($request),
                RestNormalizer::DDR_REST_DEPTH    => 0,
                RestNormalizer::DDR_REST_PATH     => ''
            ]
        );
        $response->setJson($json);

        return $response;
    }

    /**
     * {@inheritdoc}
     */
    public function putSubresourceAction(Request $request, $id, string $subresource, $subId)
    {
        $parent = $this->fetchEntity($id);
        $this->assertSubResourceMethodGranted(Method::PUT, $parent, $subresource);
        $this->addAssociation($parent, $subresource, $subId);

        return new JsonResponse(null, Response::HTTP_NO_CONTENT);
    }

    /**
     * {@inheritdoc}
     */
    public function deleteSubresourceAction(Request $request, $id, string $subresource, $subId = null)
    {
        $parent = $this->fetchEntity($id);
        $this->assertSubResourceMethodGranted(Method::DELETE, $parent, $subresource);
        $this->removeAssociation($parent, $subresource, $subId);

        return new JsonResponse(null, Response::HTTP_NO_CONTENT);
    }

    /**
     * @param object $entity
     *
     * @return object
     */
    protected function postProcessPostedEntity($entity)
    {
        return $entity;
    }

    /**
     * @param object $entity
     *
     * @return object
     */
    protected function postProcessPuttedEntity($entity)
    {
        return $entity;
    }

    /**
     * @param object $parent
     * @param string $subresource
     * @param object $entity
     *
     * @return object
     */
    protected function postProcessSubResourcePostedEntity($parent, $subresource, $entity)

    {
        return $entity;
    }

    protected function getEntityClass()
    {
        return $this->getCurrentRequest()->attributes->get('_entityClass');
    }

    protected function getSubResourceEntityClass($subresource)
    {
        /** @var PropertyMetadata $propertyMetadata */
        $propertyMetadata = $this->getClassMetadata()->propertyMetadata[$subresource];

        return $propertyMetadata->getType();
    }

    protected function getCurrentRequest()
    {
        return $this->getRequestStack()->getCurrentRequest();
    }

    protected function assertMethodGranted(string $methodName, $entity = null)
    {
        $method = $this->getClassMetadata()->getMethod($methodName);
        if ($method !== null && null !== $right = $method->right) {
            $this->assertRightGranted($right, $entity);
        }
    }

    /**
     * @param string $methodName
     * @param object $entity
     * @param string $subresource
     */
    protected function assertSubResourceMethodGranted($methodName, $entity, string $subresource): void
    {
        $classMetadata = $this->getClassMetadata();
        /** @var PropertyMetadata $propertyMetadata */
        $propertyMetadata = $classMetadata->propertyMetadata[$subresource];
        $method = $propertyMetadata->getMethod($methodName);
        if (null !== $right = $method->right) {
            $this->assertRightGranted($right, $entity);
        }
    }

    /**
     * @return ClassMetadata
     */
    protected function getClassMetadata()
    {
        $metaDataFactory = $this->getMetadataFactory();
        /** @var ClassMetadata $classMetaData */
        $classMetaData = $metaDataFactory->getMetadataForClass($this->getEntityClass());

        return $classMetaData;
    }

    protected function resolveSubject($entity, $propertyPath)
    {
        if ('this' === $propertyPath) {
            return $entity;
        }
        $propertyAccessor = $this->getPropertyAccessor();

        return $propertyAccessor->getValue($entity, $propertyPath);
    }

    /**
     * @param Right  $right
     * @param object $entity
     */
    protected function assertRightGranted(Right $right, $entity = null)
    {
        $propertyPath = $right->propertyPath;
        if (null === $propertyPath || null == $entity) {
            $this->denyAccessUnlessGranted($right->attributes);
        } else {
            $subject = $this->resolveSubject($entity, $propertyPath);
            $this->denyAccessUnlessGranted($right->attributes, $subject);
        }
    }

    protected function parseIncludes(Request $request)
    {
        $defaultIncludes = $request->attributes->get('_defaultincludes');
        if (null == $defaultIncludes) {
            $defaultIncludes = [];
        }

        $includeString = $request->query->get('include');
        if (empty($includeString)) {
            $includes = [];
        } else {
            $includes = explode(',', $includeString);
        }

        return array_merge($defaultIncludes, $includes);
    }

    protected function denyAccessUnlessGranted($attributes, $object = null, $message = 'Access Denied.')
    {
        $authorizationChecker = $this->getAuthorizationChecker();
        if (null === $authorizationChecker) {
            throw new AccessDeniedException('No authorization checker configured');
        }

        if (!$authorizationChecker->isGranted($attributes, $object)) {
            throw new AccessDeniedException($message);
        }
    }

    protected function parseConstraintViolations(ConstraintViolationListInterface $errors)
    {
        $data = [];
        /** @var ConstraintViolationInterface $error */
        foreach ($errors as $error) {
            $data[] = [
                'propertyPath' => $error->getPropertyPath(),
                'message'      => $error->getMessage(),
                'value'        => $error->getInvalidValue()
            ];
        }

        return $data;
    }

    protected function addPaginationHeaders(Response $response, int $page, int $perPage, int $total)
    {
        $response->headers->add(
            [
                'x-pagination-current-page' => $page,
                'x-pagination-per-page'     => $perPage,
                'x-pagination-total'        => $total,
                'x-pagination-total-pages'  => (int)(($total - 1) / $perPage + 1)
            ]
        );
    }

    protected function getValidator()
    {
        return $this->validator;
    }

    protected function getRequestStack()
    {
        return $this->requestStack;
    }

    protected function getMetadataFactory()
    {
        return $this->metadataFactory;
    }

    protected function getPropertyAccessor()
    {
        return $this->propertyAccessor;
    }

    protected function getAuthorizationChecker(): ?AuthorizationCheckerInterface
    {
        return $this->authorizationChecker;
    }

    protected function getSerializer(): SerializerInterface
    {
        return $this->serializer;
    }

    /**
     * @param AuthorizationCheckerInterface $authorizationChecker
     */
    public function setAuthorizationChecker(AuthorizationCheckerInterface $authorizationChecker): void
    {
        $this->authorizationChecker = $authorizationChecker;
    }

    /**
     * @param int $page
     * @param int $perPage
     *
     * @return Paginator|array
     */
    abstract protected function listEntities(int $page = 1, int $perPage = 50);

    /**
     * @param int|string $id
     *
     * @return object
     *
     * @throws NotFoundHttpException Thrown if entity with the given id could not be found.
     */
    abstract protected function fetchEntity($id);

    /**
     * @param object $entity
     *
     * @return object
     */
    abstract protected function createEntity($entity);

    /**
     * @param object $entity
     *
     * @return object
     *
     * @throws NotFoundHttpException Thrown if entity with the given id could not be found.
     */
    abstract protected function updateEntity($entity);

    /**
     * @param $entity
     *
     * @throws NotFoundHttpException Thrown if entity with the given id could not be found.
     */
    abstract protected function removeEntity($entity);

    /**
     * @param object $entity
     * @param string $subresource
     * @param int    $page
     * @param int    $perPage
     *
     * @return Paginator|array
     */
    abstract protected function listSubresource($entity, string $subresource, int $page = 1, int $perPage = 50);

    /**
     * @param object $parent
     * @param string $subresource
     *
     * @return object
     */
    abstract protected function buildAssociation($parent, string $subresource, $entity);

    /**
     * @param object $associatedEntity
     *
     * @return object
     */
    abstract protected function createAssociation($associatedEntity);

    /**
     * @param object     $parent
     * @param string     $subresource
     * @param int|string $subId
     *
     * @return object
     */
    abstract protected function addAssociation($parent, string $subresource, $subId);

    /**
     * @param object          $parent
     * @param string          $subresource
     * @param int|string|null $subId
     *
     * @return mixed
     */
    abstract protected function removeAssociation($parent, string $subresource, $subId = null);
}


1		<?php
2
3		namespace Dontdrinkandroot\RestBundle\Controller;
4
5		use Doctrine\ORM\Tools\Pagination\Paginator;
6		use Dontdrinkandroot\RestBundle\Metadata\Annotation\Method;
7		use Dontdrinkandroot\RestBundle\Metadata\Annotation\Right;
8		use Dontdrinkandroot\RestBundle\Metadata\ClassMetadata;
9		use Dontdrinkandroot\RestBundle\Metadata\PropertyMetadata;
10		use Dontdrinkandroot\RestBundle\Metadata\RestMetadataFactory;
11		use Dontdrinkandroot\RestBundle\Serializer\RestDenormalizer;
12		use Dontdrinkandroot\RestBundle\Serializer\RestNormalizer;
13		use Symfony\Component\HttpFoundation\JsonResponse;
14		use Symfony\Component\HttpFoundation\Request;
15		use Symfony\Component\HttpFoundation\RequestStack;
16		use Symfony\Component\HttpFoundation\Response;
17		use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
18		use Symfony\Component\PropertyAccess\PropertyAccessorInterface;
19		use Symfony\Component\Security\Core\Authorization\AuthorizationCheckerInterface;
20		use Symfony\Component\Security\Core\Exception\AccessDeniedException;
21		use Symfony\Component\Serializer\SerializerInterface;
22		use Symfony\Component\Validator\ConstraintViolationInterface;
23		use Symfony\Component\Validator\ConstraintViolationListInterface;
24		use Symfony\Component\Validator\Validator\ValidatorInterface;
25
26		/**
27		* @author Philip Washington Sorst <[email protected]>
28		*/
29		abstract class AbstractRestResourceController implements RestResourceControllerInterface
30		{
31		/**
32		* @var ValidatorInterface
33		*/
34		private $validator;
35
36		/**
37		* @var RequestStack
38		*/
39		private $requestStack;
40
41		/**
42		* @var RestMetadataFactory
43		*/
44		private $metadataFactory;
45
46		/**
47		* @var PropertyAccessorInterface
48		*/
49		private $propertyAccessor;
50
51		/**
52		* @var AuthorizationCheckerInterface
53		*/
54		private $authorizationChecker;
55
56		/**
57		* @var SerializerInterface
58		*/
59		private $serializer;
60
61	80	public function __construct(
62		ValidatorInterface $validator,
63		RequestStack $requestStack,
64		RestMetadataFactory $metadataFactory,
65		PropertyAccessorInterface $propertyAccessor,
66		SerializerInterface $serializer
67		) {
68	80	$this->validator = $validator;
69	80	$this->requestStack = $requestStack;
70	80	$this->metadataFactory = $metadataFactory;
71	80	$this->propertyAccessor = $propertyAccessor;
72	80	$this->serializer = $serializer;
73	80	}
74
75		/**
76		* {@inheritdoc}
77		*/
78	10	public function listAction(Request $request)
79		{
80	10	$page = $request->query->get('page', 1);
81	10	$perPage = $request->query->get('perPage', 50);
82
83	10	$this->assertMethodGranted(Method::LIST);
84
85	6	$listResult = $this->listEntities($page, $perPage);
86
87	6	$response = new JsonResponse();
88
89	6	if ($listResult instanceof Paginator) {
90	6	$entities = iterator_to_array($listResult->getIterator());
91	6	$total = $listResult->count();
92	6	$this->addPaginationHeaders($response, $page, $perPage, $total);
93		} else {
94		$entities = $listResult;
95		}
96
97	6	$json = $this->getSerializer()->serialize(
98	6	$entities,
99	6	'json',
100		[
101	6	RestNormalizer::DDR_REST_INCLUDES => $this->parseIncludes($request),
102	6	RestNormalizer::DDR_REST_DEPTH => 0,
103	6	RestNormalizer::DDR_REST_PATH => ''
104		]
105		);
106	6	$response->setJson($json);
107
108	6	return $response;
109		}
110
111		/**
112		* {@inheritdoc}
113		*/
114	14	public function postAction(Request $request)
115		{
116	14	$this->assertMethodGranted(Method::POST);
117
118	12	$entity = $this->serializer->deserialize(
119	12	$request->getContent(),
120	12	$this->getEntityClass(),
121	12	'json',
122	12	[RestDenormalizer::DDR_REST_METHOD => Method::POST]
123		);
124	12	$entity = $this->postProcessPostedEntity($entity);
125
126	12	$errors = $this->getValidator()->validate($entity);
127	12	if ($errors->count() > 0) {
128	2	return new JsonResponse($this->parseConstraintViolations($errors), Response::HTTP_BAD_REQUEST);
129		}
130
131	10	$entity = $this->createEntity($entity);
132
133	10	$response = new JsonResponse(null, Response::HTTP_CREATED);
134
135	10	$json = $this->getSerializer()->serialize(
136	10	$entity,
137	10	'json',
138		[
139	10	RestNormalizer::DDR_REST_INCLUDES => $this->parseIncludes($request),
140	10	RestNormalizer::DDR_REST_DEPTH => 0,
141	10	RestNormalizer::DDR_REST_PATH => ''
142		]
143		);
144	10	$response->setJson($json);
145
146	10	return $response;
147		}
148
149		/**
150		* {@inheritdoc}
151		*/
152	32	public function getAction(Request $request, $id)
153		{
154	32	$entity = $this->fetchEntity($id);
155	30	$this->assertMethodGranted(Method::GET, $entity);
156
157	28	$response = new JsonResponse();
158	28	$json = $this->getSerializer()->serialize(
159	28	$entity,
160	28	'json',
161		[
162	28	RestNormalizer::DDR_REST_INCLUDES => $this->parseIncludes($request),
163	28	RestNormalizer::DDR_REST_DEPTH => 0,
164	28	RestNormalizer::DDR_REST_PATH => ''
165		]
166		);
167	28	$response->setJson($json);
168
169	28	return $response;
170		}
171
172		/**
173		* {@inheritdoc}
174		*/
175	12	public function putAction(Request $request, $id)
176		{
177	12	$entity = $this->fetchEntity($id);
178	12	$this->assertMethodGranted(Method::PUT, $entity);
179
180	10	$entity = $this->serializer->deserialize(
181	10	$request->getContent(),
182	10	$this->getEntityClass(),
183	10	'json',
184	10	[RestDenormalizer::DDR_REST_METHOD => Method::PUT, RestDenormalizer::DDR_REST_ENTITY => $entity]
185		);
186	10	$entity = $this->postProcessPuttedEntity($entity);
187
188	10	$errors = $this->getValidator()->validate($entity);
189	10	if ($errors->count() > 0) {
190		return new JsonResponse($this->parseConstraintViolations($errors), Response::HTTP_BAD_REQUEST);
191		}
192
193	10	$entity = $this->updateEntity($entity);
194
195	10	$response = new JsonResponse();
196
197	10	$json = $this->getSerializer()->serialize(
198	10	$entity,
199	10	'json',
200		[
201	10	RestNormalizer::DDR_REST_INCLUDES => $this->parseIncludes($request),
202	10	RestNormalizer::DDR_REST_DEPTH => 0,
203	10	RestNormalizer::DDR_REST_PATH => ''
204		]
205		);
206	10	$response->setJson($json);
207
208	10	return $response;
209		}
210
211		/**
212		* {@inheritdoc}
213		*/
214	4	public function deleteAction(Request $request, $id)
215		{
216	4	$entity = $this->fetchEntity($id);
217	4	$this->assertMethodGranted(Method::DELETE, $entity);
218	2	$this->removeEntity($entity);
219
220	2	return new JsonResponse(null, Response::HTTP_NO_CONTENT);
221		}
222
223		/**
224		* {@inheritdoc}
225		*/
226	6	public function listSubresourceAction(Request $request, $id, string $subresource)
227		{
228	6	$page = $request->query->get('page', 1);
229	6	$perPage = $request->query->get('perPage', 50);
230
231	6	$entity = $this->fetchEntity($id);
232	6	$this->assertSubResourceMethodGranted(Method::LIST, $entity, $subresource);
233
234	6	$listResult = $this->listSubresource($entity, $subresource, $page, $perPage);
235
236	6	$response = new JsonResponse();
237
238	6	if ($listResult instanceof Paginator) {
239	6	$entities = iterator_to_array($listResult->getIterator());
240	6	$total = $listResult->count();
241	6	$this->addPaginationHeaders($response, $page, $perPage, $total);
242		} else {
243		$entities = $listResult;
244		}
245
246	6	$json = $this->getSerializer()->serialize(
247	6	$entities,
248	6	'json',
249		[
250	6	RestNormalizer::DDR_REST_INCLUDES => $this->parseIncludes($request),
251	6	RestNormalizer::DDR_REST_DEPTH => 0,
252	6	RestNormalizer::DDR_REST_PATH => ''
253		]
254		);
255	6	$response->setJson($json);
256
257	6	return $response;
258		}
259
260		/**
261		* {@inheritdoc}
262		*/
263	4	public function postSubresourceAction(Request $request, $id, string $subresource)
264		{
265	4	$parent = $this->fetchEntity($id);
266	4	$this->assertSubResourceMethodGranted(Method::POST, $parent, $subresource);
267
268	2	$entity = $this->serializer->deserialize(
269	2	$request->getContent(),
270	2	$this->getSubResourceEntityClass($subresource),
271	2	'json',
272	2	[RestDenormalizer::DDR_REST_METHOD => Method::POST]
273		);
274
275	2	$entity = $this->buildAssociation($parent, $subresource, $entity);
276	2	$entity = $this->postProcessSubResourcePostedEntity($parent, $subresource, $entity);
277
278	2	$errors = $this->getValidator()->validate($entity);
279
280	2	if ($errors->count() > 0) {
281		return new JsonResponse($this->parseConstraintViolations($errors), Response::HTTP_BAD_REQUEST);
282		}
283
284	2	$entity = $this->createAssociation($entity);
285
286	2	$response = new JsonResponse(null, Response::HTTP_CREATED);
287	2	$json = $this->getSerializer()->serialize(
288	2	$entity,
289	2	'json',
290		[
291	2	RestNormalizer::DDR_REST_INCLUDES => $this->parseIncludes($request),
292	2	RestNormalizer::DDR_REST_DEPTH => 0,
293	2	RestNormalizer::DDR_REST_PATH => ''
294		]
295		);
296	2	$response->setJson($json);
297
298	2	return $response;
299		}
300
301		/**
302		* {@inheritdoc}
303		*/
304	12	public function putSubresourceAction(Request $request, $id, string $subresource, $subId)
305		{
306	12	$parent = $this->fetchEntity($id);
307	12	$this->assertSubResourceMethodGranted(Method::PUT, $parent, $subresource);
308	12	$this->addAssociation($parent, $subresource, $subId);
309
310	12	return new JsonResponse(null, Response::HTTP_NO_CONTENT);
311		}
312
313		/**
314		* {@inheritdoc}
315		*/
316	12	public function deleteSubresourceAction(Request $request, $id, string $subresource, $subId = null)
317		{
318	12	$parent = $this->fetchEntity($id);
319	12	$this->assertSubResourceMethodGranted(Method::DELETE, $parent, $subresource);
320	12	$this->removeAssociation($parent, $subresource, $subId);
321
322	12	return new JsonResponse(null, Response::HTTP_NO_CONTENT);
323		}
324
325		/**
326		* @param object $entity
327		*
328		* @return object
329		*/
330	12	protected function postProcessPostedEntity($entity)
331		{
332	12	return $entity;
333		}
334
335		/**
336		* @param object $entity
337		*
338		* @return object
339		*/
340	10	protected function postProcessPuttedEntity($entity)
341		{
342	10	return $entity;
343		}
344
345		/**
346		* @param object $parent
347		* @param string $subresource
348		* @param object $entity
349		*
350		* @return object
351		*/
352	2	protected function postProcessSubResourcePostedEntity($parent, $subresource, $entity)
		0 ignored issues – show Unused Code introduced 2017-10-12 13:28 UTC by Report Bug Copy Issue Report The parameter `$parent` is not used and could be removed. This check looks from parameters that have been defined for a function or method, but which are not used in the method body. Loading history... Unused Code introduced 2017-10-12 13:28 UTC by Report Bug Copy Issue Report The parameter `$subresource` is not used and could be removed. This check looks from parameters that have been defined for a function or method, but which are not used in the method body. Loading history...
353		{
354	2	return $entity;
355		}
356
357	80	protected function getEntityClass()
358		{
359	80	return $this->getCurrentRequest()->attributes->get('_entityClass');
360		}
361
362	2	protected function getSubResourceEntityClass($subresource)
363		{
364		/** @var PropertyMetadata $propertyMetadata */
365	2	$propertyMetadata = $this->getClassMetadata()->propertyMetadata[$subresource];
366
367	2	return $propertyMetadata->getType();
368		}
369
370	80	protected function getCurrentRequest()
371		{
372	80	return $this->getRequestStack()->getCurrentRequest();
373		}
374
375	70	protected function assertMethodGranted(string $methodName, $entity = null)
376		{
377	70	$method = $this->getClassMetadata()->getMethod($methodName);
378	70	if ($method !== null && null !== $right = $method->right) {
379	36	$this->assertRightGranted($right, $entity);
380		}
381	58	}
382
383		/**
384		* @param string $methodName
385		* @param object $entity
386		* @param string $subresource
387		*/
388	30	protected function assertSubResourceMethodGranted($methodName, $entity, string $subresource): void
389		{
390	30	$classMetadata = $this->getClassMetadata();
391		/** @var PropertyMetadata $propertyMetadata */
392	30	$propertyMetadata = $classMetadata->propertyMetadata[$subresource];
393	30	$method = $propertyMetadata->getMethod($methodName);
394	30	if (null !== $right = $method->right) {
395	14	$this->assertRightGranted($right, $entity);
396		}
397	28	}
398
399		/**
400		* @return ClassMetadata
401		*/
402	80	protected function getClassMetadata()
403		{
404	80	$metaDataFactory = $this->getMetadataFactory();
405		/** @var ClassMetadata $classMetaData */
406	80	$classMetaData = $metaDataFactory->getMetadataForClass($this->getEntityClass());
407
408	80	return $classMetaData;
409		}
410
411		protected function resolveSubject($entity, $propertyPath)
412		{
413		if ('this' === $propertyPath) {
414		return $entity;
415		}
416		$propertyAccessor = $this->getPropertyAccessor();
417
418		return $propertyAccessor->getValue($entity, $propertyPath);
419		}
420
421		/**
422		* @param Right $right
423		* @param object $entity
424		*/
425	46	protected function assertRightGranted(Right $right, $entity = null)
426		{
427	46	$propertyPath = $right->propertyPath;
428	46	if (null === $propertyPath \|\| null == $entity) {
429	46	$this->denyAccessUnlessGranted($right->attributes);
430		} else {
431		$subject = $this->resolveSubject($entity, $propertyPath);
432		$this->denyAccessUnlessGranted($right->attributes, $subject);
433		}
434	32	}
435
436	62	protected function parseIncludes(Request $request)
437		{
438	62	$defaultIncludes = $request->attributes->get('_defaultincludes');
439	62	if (null == $defaultIncludes) {
440	30	$defaultIncludes = [];
441		}
442
443	62	$includeString = $request->query->get('include');
444	62	if (empty($includeString)) {
445	48	$includes = [];
446		} else {
447	16	$includes = explode(',', $includeString);
448		}
449
450	62	return array_merge($defaultIncludes, $includes);
451		}
452
453	46	protected function denyAccessUnlessGranted($attributes, $object = null, $message = 'Access Denied.')
454		{
455	46	$authorizationChecker = $this->getAuthorizationChecker();
456	46	if (null === $authorizationChecker) {
457		throw new AccessDeniedException('No authorization checker configured');
458		}
459
460	46	if (!$authorizationChecker->isGranted($attributes, $object)) {
461	14	throw new AccessDeniedException($message);
462		}
463	32	}
464
465	2	protected function parseConstraintViolations(ConstraintViolationListInterface $errors)
466		{
467	2	$data = [];
468		/** @var ConstraintViolationInterface $error */
469	2	foreach ($errors as $error) {
470	2	$data[] = [
471	2	'propertyPath' => $error->getPropertyPath(),
472	2	'message' => $error->getMessage(),
473	2	'value' => $error->getInvalidValue()
474		];
475		}
476
477	2	return $data;
478		}
479
480	12	protected function addPaginationHeaders(Response $response, int $page, int $perPage, int $total)
481		{
482	12	$response->headers->add(
483		[
484	12	'x-pagination-current-page' => $page,
485	12	'x-pagination-per-page' => $perPage,
486	12	'x-pagination-total' => $total,
487	12	'x-pagination-total-pages' => (int)(($total - 1) / $perPage + 1)
488		]
489		);
490	12	}
491
492	24	protected function getValidator()
493		{
494	24	return $this->validator;
495		}
496
497	80	protected function getRequestStack()
498		{
499	80	return $this->requestStack;
500		}
501
502	80	protected function getMetadataFactory()
503		{
504	80	return $this->metadataFactory;
505		}
506
507		protected function getPropertyAccessor()
508		{
509		return $this->propertyAccessor;
510		}
511
512	46	protected function getAuthorizationChecker(): ?AuthorizationCheckerInterface
513		{
514	46	return $this->authorizationChecker;
515		}
516
517	62	protected function getSerializer(): SerializerInterface
518		{
519	62	return $this->serializer;
520		}
521
522		/**
523		* @param AuthorizationCheckerInterface $authorizationChecker
524		*/
525	76	public function setAuthorizationChecker(AuthorizationCheckerInterface $authorizationChecker): void
526		{
527	76	$this->authorizationChecker = $authorizationChecker;
528	76	}
529
530		/**
531		* @param int $page
532		* @param int $perPage
533		*
534		* @return Paginator\|array
535		*/
536		abstract protected function listEntities(int $page = 1, int $perPage = 50);
537
538		/**
539		* @param int\|string $id
540		*
541		* @return object
542		*
543		* @throws NotFoundHttpException Thrown if entity with the given id could not be found.
544		*/
545		abstract protected function fetchEntity($id);
546
547		/**
548		* @param object $entity
549		*
550		* @return object
551		*/
552		abstract protected function createEntity($entity);
553
554		/**
555		* @param object $entity
556		*
557		* @return object
558		*
559		* @throws NotFoundHttpException Thrown if entity with the given id could not be found.
560		*/
561		abstract protected function updateEntity($entity);
562
563		/**
564		* @param $entity
565		*
566		* @throws NotFoundHttpException Thrown if entity with the given id could not be found.
567		*/
568		abstract protected function removeEntity($entity);
569
570		/**
571		* @param object $entity
572		* @param string $subresource
573		* @param int $page
574		* @param int $perPage
575		*
576		* @return Paginator\|array
577		*/
578		abstract protected function listSubresource($entity, string $subresource, int $page = 1, int $perPage = 50);
579
580		/**
581		* @param object $parent
582		* @param string $subresource
583		*
584		* @return object
585		*/
586		abstract protected function buildAssociation($parent, string $subresource, $entity);
587
588		/**
589		* @param object $associatedEntity
590		*
591		* @return object
592		*/
593		abstract protected function createAssociation($associatedEntity);
594
595		/**
596		* @param object $parent
597		* @param string $subresource
598		* @param int\|string $subId
599		*
600		* @return object
601		*/
602		abstract protected function addAssociation($parent, string $subresource, $subId);
603
604		/**
605		* @param object $parent
606		* @param string $subresource
607		* @param int\|string\|null $subId
608		*
609		* @return mixed
610		*/
611		abstract protected function removeAssociation($parent, string $subresource, $subId = null);
612		}
613

dontdrinkandroot / rest-bundle.php

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getSubResourceEntityClass() A

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