DocumentWriter::getRelationshipDataRepresentation() - Code Metrics - Inspection of "Close #82" - neomerx/json-api - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Branch — master (9645b9)

by Neomerx

created 2019-02-05 08:35 UTC

getRelationshipDataRepresentation() A

↳ Parent: DocumentWriter

Complexity

Conditions	5
Paths	5

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	13
CRAP Score	5

Importance

Changes

Metric	Value
cc	5
nc	5
nop	1
dl	0
loc	20
ccs	13
cts	13
cp	1
crap	5
rs	9.2888
c	0
b	0
f	0

<?php declare(strict_types=1);

namespace Neomerx\JsonApi\Representation;

/**
 * Copyright 2015-2019 [email protected]
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

use Neomerx\JsonApi\Contracts\Parser\IdentifierInterface;
use Neomerx\JsonApi\Contracts\Parser\RelationshipDataInterface;
use Neomerx\JsonApi\Contracts\Parser\RelationshipInterface;
use Neomerx\JsonApi\Contracts\Parser\ResourceInterface;
use Neomerx\JsonApi\Contracts\Representation\DocumentWriterInterface;
use Neomerx\JsonApi\Contracts\Representation\FieldSetFilterInterface;
use Neomerx\JsonApi\Contracts\Schema\DocumentInterface;

/**
 * @package Neomerx\JsonApi
 */
class DocumentWriter extends BaseWriter implements DocumentWriterInterface
{
    /**
     * @var array
     */
    private $addedResources;

    /**
     * @inheritdoc
     */
    public function setNullToData(): DocumentWriterInterface
    {
        // check data has not been added yet
        assert(isset($this->data[DocumentInterface::KEYWORD_DATA]) === false);
        $this->data[DocumentInterface::KEYWORD_DATA] = null;

        return $this;
    }

    /**
     * @inheritdoc
     */
    public function addIdentifierToData(IdentifierInterface $identifier): DocumentWriterInterface
    {
        $this->addToData($this->getIdentifierRepresentation($identifier));

        return $this;
    }

    /**
     * @inheritdoc
     */
    public function addResourceToData(
        ResourceInterface $resource,
        FieldSetFilterInterface $filter
    ): DocumentWriterInterface {
        $this->addToData($this->getResourceRepresentation($resource, $filter));

        return $this;
    }

    /**
     * @inheritdoc
     */
    public function addResourceToIncluded(
        ResourceInterface $resource,
        FieldSetFilterInterface $filter
    ): DocumentWriterInterface {
        // We track resources only in included section to avoid duplicates there.
        // If those resources duplicate main it is not bad because if we remove them
        // (and sometimes we would have to rollback and remove some of them if we meet it in the main resources)
        // the client app will have to search them not only in included section but in the main as well.
        //
        // The spec seems to be OK with it.

        if ($this->hasNotBeenAdded($resource) === true) {
            $this->registerResource($resource);
            $this->addToIncluded($this->getResourceRepresentation($resource, $filter));
        }

        return $this;
    }

    /**
     * @inheritdoc
     */
    protected function reset(): void
    {
        parent::reset();

        $this->addedResources = [];
    }

    /**
     * If full resource has not been added yet either to includes section.
     *
     * @param ResourceInterface $resource
     *
     * @return bool
     */
    protected function hasNotBeenAdded(ResourceInterface $resource): bool
    {
        return isset($this->addedResources[$resource->getId()][$resource->getType()]) === false;
    }

    /**
     * @param ResourceInterface $resource
     *
     * @return void
     */
    protected function registerResource(ResourceInterface $resource): void
    {
        assert($this->hasNotBeenAdded($resource));

        $this->addedResources[$resource->getId()][$resource->getType()] = true;
    }

    /**
     * @param IdentifierInterface $identifier
     *
     * @return array
     */
    protected function getIdentifierRepresentation(IdentifierInterface $identifier): array
    {
        // it's odd not to have actual ID for identifier (which is OK for newly created resource).
        assert($identifier->getId() !== null);

        return $identifier->hasIdentifierMeta() === false ? [
            DocumentInterface::KEYWORD_TYPE => $identifier->getType(),
            DocumentInterface::KEYWORD_ID   => $identifier->getId(),
        ] : [
            DocumentInterface::KEYWORD_TYPE => $identifier->getType(),
            DocumentInterface::KEYWORD_ID   => $identifier->getId(),
            DocumentInterface::KEYWORD_META => $identifier->getIdentifierMeta(),
        ];
    }

    /**
     * @param ResourceInterface $resource
     *
     * @return array
     */
    protected function getIdentifierRepresentationFromResource(ResourceInterface $resource): array
    {
        return $resource->hasIdentifierMeta() === false ? [
            DocumentInterface::KEYWORD_TYPE => $resource->getType(),
            DocumentInterface::KEYWORD_ID   => $resource->getId(),
        ] : [
            DocumentInterface::KEYWORD_TYPE => $resource->getType(),
            DocumentInterface::KEYWORD_ID   => $resource->getId(),
            DocumentInterface::KEYWORD_META => $resource->getIdentifierMeta(),
        ];
    }

    /**
     * @param iterable $attributes
     *
     * @return array
     */
    protected function getAttributesRepresentation(iterable $attributes): array
    {
        $representation = [];
        foreach ($attributes as $name => $value) {
            $representation[$name] = $value;
        }

        return $representation;
    }

    /**
     * @param iterable $relationships
     *
     * @return array
     */
    protected function getRelationshipsRepresentation(iterable $relationships): array
    {
        $representation = [];
        foreach ($relationships as $name => $relationship) {
            assert(is_string($name) === true && empty($name) === false);
            assert($relationship instanceof RelationshipInterface);
            $representation[$name] = $this->getRelationshipRepresentation($relationship);
        }

        return $representation;
    }

    /**
     * @param RelationshipInterface $relationship
     *
     * @return array
     */
    protected function getRelationshipRepresentation(RelationshipInterface $relationship): array
    {
        $representation = [];

        if ($relationship->hasLinks() === true) {
            $representation[DocumentInterface::KEYWORD_LINKS] =
                $this->getLinksRepresentation($this->getUrlPrefix(), $relationship->getLinks());
        }

        if ($relationship->hasData() === true) {
            $representation[DocumentInterface::KEYWORD_DATA] = $this->getRelationshipDataRepresentation(
                $relationship->getData()
            );
        }

        if ($relationship->hasMeta() === true) {
            $representation[DocumentInterface::KEYWORD_META] = $relationship->getMeta();
        }

        return $representation;
    }

    /**
     * @param RelationshipDataInterface $data
     *
     * @return array|null
     */
    protected function getRelationshipDataRepresentation(RelationshipDataInterface $data): ?array
    {
        if ($data->isResource() === true) {
            return $this->getIdentifierRepresentationFromResource($data->getResource());
        } elseif ($data->isIdentifier() === true) {
            return $this->getIdentifierRepresentation($data->getIdentifier());
        } elseif ($data->isCollection() === true) {
            $representation = [];
            foreach ($data->getIdentifiers() as $identifier) {
                assert($identifier instanceof IdentifierInterface);
                $representation[] = $this->getIdentifierRepresentation($identifier);
            }

            return $representation;
        }

        assert($data->isNull() === true);

        return null;
    }

    /**
     * @param ResourceInterface       $resource
     * @param FieldSetFilterInterface $filter
     *
     * @return array
     */
    protected function getResourceRepresentation(ResourceInterface $resource, FieldSetFilterInterface $filter): array
    {
        $representation = [
            DocumentInterface::KEYWORD_TYPE => $resource->getType(),
        ];

        if (($index = $resource->getId()) !== null) {
            $representation[DocumentInterface::KEYWORD_ID] = $index;
        }

        $attributes = $this->getAttributesRepresentation($filter->getAttributes($resource));
        if (empty($attributes) === false) {
            $representation[DocumentInterface::KEYWORD_ATTRIBUTES] = $attributes;
        }

        $relationships = $this->getRelationshipsRepresentation($filter->getRelationships($resource));
        if (empty($relationships) === false) {
            $representation[DocumentInterface::KEYWORD_RELATIONSHIPS] = $relationships;
        }

        if ($resource->hasLinks() === true) {
            $representation[DocumentInterface::KEYWORD_LINKS] =
                $this->getLinksRepresentation($this->getUrlPrefix(), $resource->getLinks());
        }

        if ($resource->hasResourceMeta() === true) {
            $representation[DocumentInterface::KEYWORD_META] = $resource->getResourceMeta();
        }

        return $representation;
    }

    /**
     * @param array $representation
     *
     * @return void
     */
    private function addToData(array $representation): void
    {
        if ($this->isDataAnArray() === true) {
            $this->data[DocumentInterface::KEYWORD_DATA][] = $representation;

            return;
        }

        // check data has not been added yet
        assert(array_key_exists(DocumentInterface::KEYWORD_DATA, $this->data) === false);
        $this->data[DocumentInterface::KEYWORD_DATA] = $representation;
    }

    /**
     * @param array $representation
     *
     * @return void
     */
    private function addToIncluded(array $representation): void
    {
        $this->data[DocumentInterface::KEYWORD_INCLUDED][] = $representation;
    }
}


1		<?php declare(strict_types=1);
2
3		namespace Neomerx\JsonApi\Representation;
4
5		/**
6		* Copyright 2015-2019 [email protected]
7		*
8		* Licensed under the Apache License, Version 2.0 (the "License");
9		* you may not use this file except in compliance with the License.
10		* You may obtain a copy of the License at
11		*
12		* http://www.apache.org/licenses/LICENSE-2.0
13		*
14		* Unless required by applicable law or agreed to in writing, software
15		* distributed under the License is distributed on an "AS IS" BASIS,
16		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17		* See the License for the specific language governing permissions and
18		* limitations under the License.
19		*/
20
21		use Neomerx\JsonApi\Contracts\Parser\IdentifierInterface;
22		use Neomerx\JsonApi\Contracts\Parser\RelationshipDataInterface;
23		use Neomerx\JsonApi\Contracts\Parser\RelationshipInterface;
24		use Neomerx\JsonApi\Contracts\Parser\ResourceInterface;
25		use Neomerx\JsonApi\Contracts\Representation\DocumentWriterInterface;
26		use Neomerx\JsonApi\Contracts\Representation\FieldSetFilterInterface;
27		use Neomerx\JsonApi\Contracts\Schema\DocumentInterface;
28
29		/**
30		* @package Neomerx\JsonApi
31		*/
32		class DocumentWriter extends BaseWriter implements DocumentWriterInterface
33		{
34		/**
35		* @var array
36		*/
37		private $addedResources;
38
39		/**
40		* @inheritdoc
41		*/
42	3	public function setNullToData(): DocumentWriterInterface
43		{
44		// check data has not been added yet
45	3	assert(isset($this->data[DocumentInterface::KEYWORD_DATA]) === false);
46	3	$this->data[DocumentInterface::KEYWORD_DATA] = null;
47
48	3	return $this;
49		}
50
51		/**
52		* @inheritdoc
53		*/
54	6	public function addIdentifierToData(IdentifierInterface $identifier): DocumentWriterInterface
55		{
56	6	$this->addToData($this->getIdentifierRepresentation($identifier));
57
58	6	return $this;
59		}
60
61		/**
62		* @inheritdoc
63		*/
64	56	public function addResourceToData(
65		ResourceInterface $resource,
66		FieldSetFilterInterface $filter
67		): DocumentWriterInterface {
68	56	$this->addToData($this->getResourceRepresentation($resource, $filter));
69
70	56	return $this;
71		}
72
73		/**
74		* @inheritdoc
75		*/
76	21	public function addResourceToIncluded(
77		ResourceInterface $resource,
78		FieldSetFilterInterface $filter
79		): DocumentWriterInterface {
80		// We track resources only in included section to avoid duplicates there.
81		// If those resources duplicate main it is not bad because if we remove them
82		// (and sometimes we would have to rollback and remove some of them if we meet it in the main resources)
83		// the client app will have to search them not only in included section but in the main as well.
84		//
85		// The spec seems to be OK with it.
86
87	21	if ($this->hasNotBeenAdded($resource) === true) {
88	21	$this->registerResource($resource);
89	21	$this->addToIncluded($this->getResourceRepresentation($resource, $filter));
90		}
91
92	20	return $this;
93		}
94
95		/**
96		* @inheritdoc
97		*/
98	73	protected function reset(): void
99		{
100	73	parent::reset();
101
102	73	$this->addedResources = [];
103	73	}
104
105		/**
106		* If full resource has not been added yet either to includes section.
107		*
108		* @param ResourceInterface $resource
109		*
110		* @return bool
111		*/
112	21	protected function hasNotBeenAdded(ResourceInterface $resource): bool
113		{
114	21	return isset($this->addedResources[$resource->getId()][$resource->getType()]) === false;
115		}
116
117		/**
118		* @param ResourceInterface $resource
119		*
120		* @return void
121		*/
122	21	protected function registerResource(ResourceInterface $resource): void
123		{
124	21	assert($this->hasNotBeenAdded($resource));
125
126	21	$this->addedResources[$resource->getId()][$resource->getType()] = true;
127	21	}
128
129		/**
130		* @param IdentifierInterface $identifier
131		*
132		* @return array
133		*/
134	30	protected function getIdentifierRepresentation(IdentifierInterface $identifier): array
135		{
136		// it's odd not to have actual ID for identifier (which is OK for newly created resource).
137	30	assert($identifier->getId() !== null);
138
139	30	return $identifier->hasIdentifierMeta() === false ? [
140	27	DocumentInterface::KEYWORD_TYPE => $identifier->getType(),
141	27	DocumentInterface::KEYWORD_ID => $identifier->getId(),
142		] : [
143	3	DocumentInterface::KEYWORD_TYPE => $identifier->getType(),
144	3	DocumentInterface::KEYWORD_ID => $identifier->getId(),
145	30	DocumentInterface::KEYWORD_META => $identifier->getIdentifierMeta(),
146		];
147		}
148
149		/**
150		* @param ResourceInterface $resource
151		*
152		* @return array
153		*/
154	20	protected function getIdentifierRepresentationFromResource(ResourceInterface $resource): array
155		{
156	20	return $resource->hasIdentifierMeta() === false ? [
157	19	DocumentInterface::KEYWORD_TYPE => $resource->getType(),
158	19	DocumentInterface::KEYWORD_ID => $resource->getId(),
159		] : [
160	1	DocumentInterface::KEYWORD_TYPE => $resource->getType(),
161	1	DocumentInterface::KEYWORD_ID => $resource->getId(),
162	20	DocumentInterface::KEYWORD_META => $resource->getIdentifierMeta(),
163		];
164		}
165
166		/**
167		* @param iterable $attributes
168		*
169		* @return array
170		*/
171	57	protected function getAttributesRepresentation(iterable $attributes): array
172		{
173	57	$representation = [];
174	57	foreach ($attributes as $name => $value) {
175	57	$representation[$name] = $value;
176		}
177
178	57	return $representation;
179		}
180
181		/**
182		* @param iterable $relationships
183		*
184		* @return array
185		*/
186	57	protected function getRelationshipsRepresentation(iterable $relationships): array
187		{
188	57	$representation = [];
189	57	foreach ($relationships as $name => $relationship) {
190	39	assert(is_string($name) === true && empty($name) === false);
191	39	assert($relationship instanceof RelationshipInterface);
192	39	$representation[$name] = $this->getRelationshipRepresentation($relationship);
193		}
194
195	57	return $representation;
196		}
197
198		/**
199		* @param RelationshipInterface $relationship
200		*
201		* @return array
202		*/
203	39	protected function getRelationshipRepresentation(RelationshipInterface $relationship): array
204		{
205	39	$representation = [];
206
207	39	if ($relationship->hasLinks() === true) {
208	22	$representation[DocumentInterface::KEYWORD_LINKS] =
209	22	$this->getLinksRepresentation($this->getUrlPrefix(), $relationship->getLinks());
210		}
211
212	39	if ($relationship->hasData() === true) {
213	32	$representation[DocumentInterface::KEYWORD_DATA] = $this->getRelationshipDataRepresentation(
214	32	$relationship->getData()
215		);
216		}
217
218	39	if ($relationship->hasMeta() === true) {
219	1	$representation[DocumentInterface::KEYWORD_META] = $relationship->getMeta();
220		}
221
222	39	return $representation;
223		}
224
225		/**
226		* @param RelationshipDataInterface $data
227		*
228		* @return array\|null
229		*/
230	32	protected function getRelationshipDataRepresentation(RelationshipDataInterface $data): ?array
231		{
232	32	if ($data->isResource() === true) {
233	20	return $this->getIdentifierRepresentationFromResource($data->getResource());
234	29	} elseif ($data->isIdentifier() === true) {
235	1	return $this->getIdentifierRepresentation($data->getIdentifier());
236	28	} elseif ($data->isCollection() === true) {
237	27	$representation = [];
238	27	foreach ($data->getIdentifiers() as $identifier) {
239	24	assert($identifier instanceof IdentifierInterface);
240	24	$representation[] = $this->getIdentifierRepresentation($identifier);
241		}
242
243	27	return $representation;
244		}
245
246	5	assert($data->isNull() === true);
247
248	5	return null;
249		}
250
251		/**
252		* @param ResourceInterface $resource
253		* @param FieldSetFilterInterface $filter
254		*
255		* @return array
256		*/
257	57	protected function getResourceRepresentation(ResourceInterface $resource, FieldSetFilterInterface $filter): array
258		{
259		$representation = [
260	57	DocumentInterface::KEYWORD_TYPE => $resource->getType(),
261		];
262
263	57	if (($index = $resource->getId()) !== null) {
264	56	$representation[DocumentInterface::KEYWORD_ID] = $index;
265		}
266
267	57	$attributes = $this->getAttributesRepresentation($filter->getAttributes($resource));
268	57	if (empty($attributes) === false) {
269	57	$representation[DocumentInterface::KEYWORD_ATTRIBUTES] = $attributes;
270		}
271
272	57	$relationships = $this->getRelationshipsRepresentation($filter->getRelationships($resource));
273	57	if (empty($relationships) === false) {
274	39	$representation[DocumentInterface::KEYWORD_RELATIONSHIPS] = $relationships;
275		}
276
277	57	if ($resource->hasLinks() === true) {
278	56	$representation[DocumentInterface::KEYWORD_LINKS] =
279	56	$this->getLinksRepresentation($this->getUrlPrefix(), $resource->getLinks());
280		}
281
282	57	if ($resource->hasResourceMeta() === true) {
283	1	$representation[DocumentInterface::KEYWORD_META] = $resource->getResourceMeta();
284		}
285
286	57	return $representation;
287		}
288
289		/**
290		* @param array $representation
291		*
292		* @return void
293		*/
294	62	private function addToData(array $representation): void
295		{
296	62	if ($this->isDataAnArray() === true) {
297	18	$this->data[DocumentInterface::KEYWORD_DATA][] = $representation;
298
299	18	return;
300		}
301
302		// check data has not been added yet
303	47	assert(array_key_exists(DocumentInterface::KEYWORD_DATA, $this->data) === false);
304	47	$this->data[DocumentInterface::KEYWORD_DATA] = $representation;
305	47	}
306
307		/**
308		* @param array $representation
309		*
310		* @return void
311		*/
312	20	private function addToIncluded(array $representation): void
313		{
314	20	$this->data[DocumentInterface::KEYWORD_INCLUDED][] = $representation;
315	20	}
316		}
317

neomerx / json-api

Branch — master (9645b9)

getRelationshipDataRepresentation() A

Complexity

Size

Duplication

Code Coverage

Importance

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