RequestParser::getMeta() - Code Metrics - Inspection of "Merge pull request #66 from lode/2.3.0" - lode/jsonapi - Measure and Improve Code Quality continuously with Scrutinizer

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by Lode

created 2021-08-23 20:14 UTC

RequestParser::getMeta() A

↳ Parent: RequestParser

Complexity

Conditions	1
Paths	1

Size

Total Lines	2
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes

Metric	Value
cc	1
eloc	1
c	0
b	0
f	0
nc	1
nop	1
dl	0
loc	2
ccs	2
cts	2
cp	1
crap	1
rs	10

<?php

namespace alsvanzelf\jsonapi\helpers;

use alsvanzelf\jsonapi\Document;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ServerRequestInterface;

class RequestParser {
	const SORT_ASCENDING  = 'ascending';
	const SORT_DESCENDING = 'descending';
	
	/** @var array */
	protected static $defaults = [
		/**
		 * reformat the include query parameter paths to nested arrays
		 * this allows easier processing on each step of the chain
		 */
		'useNestedIncludePaths' => true,
		
		/**
		 * reformat the sort query parameter paths to separate the sort order
		 * this allows easier processing of sort orders and field names
		 */
		'useAnnotatedSortFields' => true,
	];
	/** @var string */
	private $selfLink = '';
	/** @var array */
	private $queryParameters = [];
	/** @var array */
	private $document = [];
	
	/**
	 * @param string $selfLink        the uri used to make this request {@see getSelfLink()}
	 * @param array  $queryParameters all query parameters defined by the specification
	 * @param array  $document        the request jsonapi document
	 */
	public function __construct($selfLink='', array $queryParameters=[], array $document=[]) {
		$this->selfLink        = $selfLink;
		$this->queryParameters = $queryParameters;
		$this->document        = $document;
	}
	
	/**
	 * @return self
	 */
	public static function fromSuperglobals() {
		$selfLink = '';
		if (isset($_SERVER['REQUEST_SCHEME']) && isset($_SERVER['HTTP_HOST']) && isset($_SERVER['REQUEST_URI'])) {
			$selfLink = $_SERVER['REQUEST_SCHEME'].'://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
		}
		
		$queryParameters = $_GET;
		
		$document = $_POST;
		if ($document === [] && isset($_SERVER['CONTENT_TYPE'])) {
			$documentIsJsonapi = (strpos($_SERVER['CONTENT_TYPE'], Document::CONTENT_TYPE_OFFICIAL) !== false);
			$documentIsJson    = (strpos($_SERVER['CONTENT_TYPE'], Document::CONTENT_TYPE_DEBUG)    !== false);
			
			if ($documentIsJsonapi || $documentIsJson) {
				$document = json_decode(file_get_contents('php://input'), true);
				
				if ($document === null) {
					$document = [];
				}
			}
		}
		
		return new self($selfLink, $queryParameters, $document);
	}
	
	/**
	 * @param  ServerRequestInterface|RequestInterface $request
	 * @return self
	 */
	public static function fromPsrRequest(RequestInterface $request) {
		$selfLink = (string) $request->getUri();
		
		if ($request instanceof ServerRequestInterface) {
			$queryParameters = $request->getQueryParams();
		}
		else {
			$queryParameters = [];
			parse_str($request->getUri()->getQuery(), $queryParameters);
		}
		
		if ($request->getBody()->getContents() === '') {
			$document = [];
		}
		else {
			$document = json_decode($request->getBody()->getContents(), true);
			
			if ($document === null) {
				$document = [];
			}
		}
		
		return new self($selfLink, $queryParameters, $document);
	}
	
	/**
	 * the full link used to make this request
	 * 
	 * this is not a bare self link of a resource and includes query parameters if used
	 * 
	 * @return string
	 */
	public function getSelfLink() {
		return $this->selfLink;
	}
	
	/**
	 * @return boolean
	 */
	public function hasIncludePaths() {
		return isset($this->queryParameters['include']);
	}
	
	/**
	 * returns a nested array based on the path, or the raw paths
	 * 
	 * the nested format allows easier processing on each step of the chain
	 * the raw format allows for custom processing
	 * 
	 * @param  array $options optional {@see RequestParser::$defaults}
	 * @return string[]|array
	 */
	public function getIncludePaths(array $options=[]) {
		$includePaths = explode(',', $this->queryParameters['include']);
		
		$options = array_merge(self::$defaults, $options);
		if ($options['useNestedIncludePaths'] === false) {
			return $includePaths;
		}
		
		$restructured = [];
		foreach ($includePaths as $path) {
			$steps = explode('.', $path);
			
			$wrapped = [];
			while ($steps !== []) {
				$lastStep = array_pop($steps);
				$wrapped  = [$lastStep => $wrapped];
			}
			
			$restructured = array_merge_recursive($restructured, $wrapped);
		}
		
		return $restructured;
	}
	
	/**
	 * @param  string $type
	 * @return boolean
	 */
	public function hasSparseFieldset($type) {
		return isset($this->queryParameters['fields'][$type]);
	}
	
	/**
	 * @param  string $type
	 * @return string[]
	 */
	public function getSparseFieldset($type) {
		if ($this->queryParameters['fields'][$type] === '') {
			return [];
		}
		
		return explode(',', $this->queryParameters['fields'][$type]);
	}
	
	/**
	 * @return boolean
	 */
	public function hasSortFields() {
		return isset($this->queryParameters['sort']);
	}
	
	/**
	 * returns an array with sort order annotations, or the raw sort fields with minus signs
	 * 
	 * the annotated format allows easier processing of sort orders and field names
	 * the raw format allows for custom processing
	 * 
	 * @todo return some kind of SortFieldObject
	 * 
	 * @param  array $options optional {@see RequestParser::$defaults}
	 * @return string[]|array[] {
	 *         @var string $field the sort field, without any minus sign for descending sort order
	 *         @var string $order one of the RequestParser::SORT_* constants
	 * }
	 */
	public function getSortFields(array $options=[]) {
		$fields = explode(',', $this->queryParameters['sort']);
		
		$options = array_merge(self::$defaults, $options);
		if ($options['useAnnotatedSortFields'] === false) {
			return $fields;
		}
		
		$sort = [];
		foreach ($fields as $field) {
			$order = RequestParser::SORT_ASCENDING;
			
			if (strpos($field, '-') === 0) {
				$field = substr($field, 1);
				$order = RequestParser::SORT_DESCENDING;
			}
			
			$sort[] = [
				'field' => $field,
				'order' => $order,
			];
		}
		
		return $sort;
	}
	
	/**
	 * @return boolean
	 */
	public function hasPagination() {
		return isset($this->queryParameters['page']);
	}
	
	/**
	 * @todo return some kind of PaginatorObject which recognizes the strategy of pagination used
	 *       e.g. page-based, offset-based, cursor-based, or unknown
	 * 
	 * @return array
	 */
	public function getPagination() {
		return $this->queryParameters['page'];
	}
	
	/**
	 * @return boolean
	 */
	public function hasFilter() {
		return isset($this->queryParameters['filter']);
	}
	
	/**
	 * @return array
	 */
	public function getFilter() {
		return $this->queryParameters['filter'];
	}
	
	/**
	 * @return boolean
	 */
	public function hasLocalId() {
		return (isset($this->document['data']['lid']));
	}
	
	/**
	 * @return string
	 */
	public function getLocalId() {
		return $this->document['data']['lid'];
	}
	
	/**
	 * @param  string $attributeName
	 * @return boolean
	 */
	public function hasAttribute($attributeName) {
		if (isset($this->document['data']['attributes']) === false) {
			return false;
		}
		if (array_key_exists($attributeName, $this->document['data']['attributes']) === false) {
			return false;
		}
		
		return true;
	}
	
	/**
	 * @param  string $attributeName
	 * @return mixed
	 */
	public function getAttribute($attributeName) {
		return $this->document['data']['attributes'][$attributeName];
	}
	
	/**
	 * @param  string $relationshipName
	 * @return boolean
	 */
	public function hasRelationship($relationshipName) {
		if (isset($this->document['data']['relationships']) === false) {
			return false;
		}
		if (array_key_exists($relationshipName, $this->document['data']['relationships']) === false) {
			return false;
		}
		
		return true;
	}
	
	/**
	 * @todo return some kind of read-only ResourceIdentifierObject
	 * 
	 * @param  string $relationshipName
	 * @return array
	 */
	public function getRelationship($relationshipName) {
		return $this->document['data']['relationships'][$relationshipName];
	}
	
	/**
	 * @param  string $metaKey
	 * @return boolean
	 */
	public function hasMeta($metaKey) {
		if (isset($this->document['meta']) === false) {
			return false;
		}
		if (array_key_exists($metaKey, $this->document['meta']) === false) {
			return false;
		}
		
		return true;
	}
	
	/**
	 * @param  string $metaKey
	 * @return mixed
	 */
	public function getMeta($metaKey) {
		return $this->document['meta'][$metaKey];
	}
	
	/**
	 * @return array
	 */
	public function getDocument() {
		return $this->document;
	}
}


1		<?php
2
3		namespace alsvanzelf\jsonapi\helpers;
4
5		use alsvanzelf\jsonapi\Document;
6		use Psr\Http\Message\RequestInterface;
7		use Psr\Http\Message\ServerRequestInterface;
8
9		class RequestParser {
10		const SORT_ASCENDING = 'ascending';
11		const SORT_DESCENDING = 'descending';
12
13		/** @var array */
14		protected static $defaults = [
15		/**
16		* reformat the include query parameter paths to nested arrays
17		* this allows easier processing on each step of the chain
18		*/
19		'useNestedIncludePaths' => true,
20
21		/**
22		* reformat the sort query parameter paths to separate the sort order
23		* this allows easier processing of sort orders and field names
24		*/
25		'useAnnotatedSortFields' => true,
26		];
27		/** @var string */
28		private $selfLink = '';
29		/** @var array */
30		private $queryParameters = [];
31		/** @var array */
32		private $document = [];
33
34		/**
35		* @param string $selfLink the uri used to make this request {@see getSelfLink()}
36		* @param array $queryParameters all query parameters defined by the specification
37		* @param array $document the request jsonapi document
38		*/
39	27	public function __construct($selfLink='', array $queryParameters=[], array $document=[]) {
40	27	$this->selfLink = $selfLink;
41	27	$this->queryParameters = $queryParameters;
42	27	$this->document = $document;
43	27	}
44
45		/**
46		* @return self
47		*/
48	3	public static function fromSuperglobals() {
49	3	$selfLink = '';
50	3	if (isset($_SERVER['REQUEST_SCHEME']) && isset($_SERVER['HTTP_HOST']) && isset($_SERVER['REQUEST_URI'])) {
51	2	$selfLink = $_SERVER['REQUEST_SCHEME'].'://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
52		}
53
54	3	$queryParameters = $_GET;
55
56	3	$document = $_POST;
57	3	if ($document === [] && isset($_SERVER['CONTENT_TYPE'])) {
58	1	$documentIsJsonapi = (strpos($_SERVER['CONTENT_TYPE'], Document::CONTENT_TYPE_OFFICIAL) !== false);
59	1	$documentIsJson = (strpos($_SERVER['CONTENT_TYPE'], Document::CONTENT_TYPE_DEBUG) !== false);
60
61	1	if ($documentIsJsonapi \|\| $documentIsJson) {
62	1	$document = json_decode(file_get_contents('php://input'), true);
63
64	1	if ($document === null) {
65	1	$document = [];
66		}
67		}
68		}
69
70	3	return new self($selfLink, $queryParameters, $document);
71		}
72
73		/**
74		* @param ServerRequestInterface\|RequestInterface $request
75		* @return self
76		*/
77	3	public static function fromPsrRequest(RequestInterface $request) {
78	3	$selfLink = (string) $request->getUri();
79
80	3	if ($request instanceof ServerRequestInterface) {
81	1	$queryParameters = $request->getQueryParams();
82		}
83		else {
84	2	$queryParameters = [];
85	2	parse_str($request->getUri()->getQuery(), $queryParameters);
86		}
87
88	3	if ($request->getBody()->getContents() === '') {
89	1	$document = [];
90		}
91		else {
92	2	$document = json_decode($request->getBody()->getContents(), true);
93
94	2	if ($document === null) {
95		$document = [];
96		}
97		}
98
99	3	return new self($selfLink, $queryParameters, $document);
100		}
101
102		/**
103		* the full link used to make this request
104		*
105		* this is not a bare self link of a resource and includes query parameters if used
106		*
107		* @return string
108		*/
109	4	public function getSelfLink() {
110	4	return $this->selfLink;
111		}
112
113		/**
114		* @return boolean
115		*/
116	3	public function hasIncludePaths() {
117	3	return isset($this->queryParameters['include']);
118		}
119
120		/**
121		* returns a nested array based on the path, or the raw paths
122		*
123		* the nested format allows easier processing on each step of the chain
124		* the raw format allows for custom processing
125		*
126		* @param array $options optional {@see RequestParser::$defaults}
127		* @return string[]\|array
128		*/
129	4	public function getIncludePaths(array $options=[]) {
130	4	$includePaths = explode(',', $this->queryParameters['include']);
131
132	4	$options = array_merge(self::$defaults, $options);
133	4	if ($options['useNestedIncludePaths'] === false) {
134	1	return $includePaths;
135		}
136
137	3	$restructured = [];
138	3	foreach ($includePaths as $path) {
139	3	$steps = explode('.', $path);
140
141	3	$wrapped = [];
142	3	while ($steps !== []) {
143	3	$lastStep = array_pop($steps);
144	3	$wrapped = [$lastStep => $wrapped];
145		}
146
147	3	$restructured = array_merge_recursive($restructured, $wrapped);
148		}
149
150	3	return $restructured;
151		}
152
153		/**
154		* @param string $type
155		* @return boolean
156		*/
157	3	public function hasSparseFieldset($type) {
158	3	return isset($this->queryParameters['fields'][$type]);
159		}
160
161		/**
162		* @param string $type
163		* @return string[]
164		*/
165	3	public function getSparseFieldset($type) {
166	3	if ($this->queryParameters['fields'][$type] === '') {
167	1	return [];
168		}
169
170	3	return explode(',', $this->queryParameters['fields'][$type]);
171		}
172
173		/**
174		* @return boolean
175		*/
176	4	public function hasSortFields() {
177	4	return isset($this->queryParameters['sort']);
178		}
179
180		/**
181		* returns an array with sort order annotations, or the raw sort fields with minus signs
182		*
183		* the annotated format allows easier processing of sort orders and field names
184		* the raw format allows for custom processing
185		*
186		* @todo return some kind of SortFieldObject
187		*
188		* @param array $options optional {@see RequestParser::$defaults}
189		* @return string[]\|array[] {
190		* @var string $field the sort field, without any minus sign for descending sort order
191		* @var string $order one of the RequestParser::SORT_* constants
192		* }
193		*/
194	5	public function getSortFields(array $options=[]) {
195	5	$fields = explode(',', $this->queryParameters['sort']);
196
197	5	$options = array_merge(self::$defaults, $options);
198	5	if ($options['useAnnotatedSortFields'] === false) {
199	1	return $fields;
200		}
201
202	4	$sort = [];
203	4	foreach ($fields as $field) {
204	4	$order = RequestParser::SORT_ASCENDING;
205
206	4	if (strpos($field, '-') === 0) {
207	4	$field = substr($field, 1);
208	4	$order = RequestParser::SORT_DESCENDING;
209		}
210
211	4	$sort[] = [
212	4	'field' => $field,
213	4	'order' => $order,
214		];
215		}
216
217	4	return $sort;
218		}
219
220		/**
221		* @return boolean
222		*/
223	3	public function hasPagination() {
224	3	return isset($this->queryParameters['page']);
225		}
226
227		/**
228		* @todo return some kind of PaginatorObject which recognizes the strategy of pagination used
229		* e.g. page-based, offset-based, cursor-based, or unknown
230		*
231		* @return array
232		*/
233	3	public function getPagination() {
234	3	return $this->queryParameters['page'];
235		}
236
237		/**
238		* @return boolean
239		*/
240	3	public function hasFilter() {
241	3	return isset($this->queryParameters['filter']);
242		}
243
244		/**
245		* @return array
246		*/
247	3	public function getFilter() {
248	3	return $this->queryParameters['filter'];
249		}
250
251		/**
252		* @return boolean
253		*/
254	1	public function hasLocalId() {
255	1	return (isset($this->document['data']['lid']));
256		}
257
258		/**
259		* @return string
260		*/
261	1	public function getLocalId() {
262	1	return $this->document['data']['lid'];
263		}
264
265		/**
266		* @param string $attributeName
267		* @return boolean
268		*/
269	3	public function hasAttribute($attributeName) {
270	3	if (isset($this->document['data']['attributes']) === false) {
271	1	return false;
272		}
273	3	if (array_key_exists($attributeName, $this->document['data']['attributes']) === false) {
274	1	return false;
275		}
276
277	3	return true;
278		}
279
280		/**
281		* @param string $attributeName
282		* @return mixed
283		*/
284	3	public function getAttribute($attributeName) {
285	3	return $this->document['data']['attributes'][$attributeName];
286		}
287
288		/**
289		* @param string $relationshipName
290		* @return boolean
291		*/
292	3	public function hasRelationship($relationshipName) {
293	3	if (isset($this->document['data']['relationships']) === false) {
294	1	return false;
295		}
296	3	if (array_key_exists($relationshipName, $this->document['data']['relationships']) === false) {
297	1	return false;
298		}
299
300	3	return true;
301		}
302
303		/**
304		* @todo return some kind of read-only ResourceIdentifierObject
305		*
306		* @param string $relationshipName
307		* @return array
308		*/
309	3	public function getRelationship($relationshipName) {
310	3	return $this->document['data']['relationships'][$relationshipName];
311		}
312
313		/**
314		* @param string $metaKey
315		* @return boolean
316		*/
317	3	public function hasMeta($metaKey) {
318	3	if (isset($this->document['meta']) === false) {
319	1	return false;
320		}
321	3	if (array_key_exists($metaKey, $this->document['meta']) === false) {
322	1	return false;
323		}
324
325	3	return true;
326		}
327
328		/**
329		* @param string $metaKey
330		* @return mixed
331		*/
332	3	public function getMeta($metaKey) {
333	3	return $this->document['meta'][$metaKey];
334		}
335
336		/**
337		* @return array
338		*/
339	7	public function getDocument() {
340	7	return $this->document;
341		}
342		}
343

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RequestParser::getMeta() A

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