GraphNodeFactory::getMetaData() - Code Metrics - Inspection of "Preserve all information during GraphNode conversi..." - facebook/php-graph-sdk - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#1085)

unknown

created 2018-11-14 10:06 UTC

GraphNodeFactory::getMetaData() A

↳ Parent: GraphNodeFactory

Complexity

Conditions	1
Paths	1

Size

Total Lines	5
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	3
CRAP Score	1

Importance

Changes

Metric	Value
cc	1
eloc	2
nc	1
nop	1
dl	0
loc	5
rs	10
c	0
b	0
f	0
ccs	3
cts	3
cp	1
crap	1

<?php
/**
 * Copyright 2017 Facebook, Inc.
 *
 * You are hereby granted a non-exclusive, worldwide, royalty-free license to
 * use, copy, modify, and distribute this software in source code or binary
 * form for use in connection with the web services and APIs provided by
 * Facebook.
 *
 * As with any software that integrates with the Facebook platform, your use
 * of this software is subject to the Facebook Developer Principles and
 * Policies [http://developers.facebook.com/policy/]. This copyright notice
 * shall be included in all copies or substantial portions of the software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */
namespace Facebook\GraphNode;

use Facebook\Response;
use Facebook\Exception\SDKException;

/**
 * Class GraphNodeFactory.
 *
 * @package Facebook
 *
 * ## Assumptions ##
 * GraphEdge - is ALWAYS a numeric array
 * GraphEdge - is ALWAYS an array of GraphNode types
 * GraphNode - is ALWAYS an associative array
 * GraphNode - MAY contain GraphNode's "recurrable"
 * GraphNode - MAY contain GraphEdge's "recurrable"
 * GraphNode - MAY contain DateTime's "primitives"
 * GraphNode - MAY contain string's "primitives"
 */
class GraphNodeFactory
{
    /**
     * @const string The base graph object class.
     */
    const BASE_GRAPH_NODE_CLASS = GraphNode::class;

    /**
     * @const string The base graph edge class.
     */
    const BASE_GRAPH_EDGE_CLASS = GraphEdge::class;

    /**
     * @const string The graph object prefix.
     */
    const BASE_GRAPH_OBJECT_PREFIX = '\Facebook\GraphNode\\';

    /**
     * @var Response the response entity from Graph
     */
    protected $response;

    /**
     * @var array the decoded body of the Response entity from Graph
     */
    protected $decodedBody;

    /**
     * Init this Graph object.
     *
     * @param Response $response the response entity from Graph
     */
    public function __construct(Response $response)
    {
        $this->response = $response;
        $this->decodedBody = $response->getDecodedBody();
    }

    /**
     * Tries to convert a Response entity into a GraphNode.
     *
     * @param null|string $subclassName the GraphNode sub class to cast to
     *
     * @throws SDKException
     *
     * @return GraphNode
     */
    public function makeGraphNode($subclassName = null)
    {
        $this->validateResponseAsArray();
        $this->validateResponseCastableAsGraphNode();

        return $this->castAsGraphNodeOrGraphEdge($this->decodedBody, $subclassName);

    }

    /**
     * Convenience method for creating a GraphAchievement collection.
     *
     * @throws SDKException
     *
     * @return GraphAchievement
     */
    public function makeGraphAchievement()
    {
        return $this->makeGraphNode(static::BASE_GRAPH_OBJECT_PREFIX . 'GraphAchievement');
    }

    /**
     * Convenience method for creating a GraphAlbum collection.
     *
     * @throws SDKException
     *
     * @return GraphAlbum
     */
    public function makeGraphAlbum()
    {
        return $this->makeGraphNode(static::BASE_GRAPH_OBJECT_PREFIX . 'GraphAlbum');
    }

    /**
     * Convenience method for creating a GraphPage collection.
     *
     * @throws SDKException
     *
     * @return GraphPage
     */
    public function makeGraphPage()
    {
        return $this->makeGraphNode(static::BASE_GRAPH_OBJECT_PREFIX . 'GraphPage');
    }

    /**
     * Convenience method for creating a GraphSessionInfo collection.
     *
     * @throws SDKException
     *
     * @return GraphSessionInfo
     */
    public function makeGraphSessionInfo()
    {
        return $this->makeGraphNode(static::BASE_GRAPH_OBJECT_PREFIX . 'GraphSessionInfo');
    }

    /**
     * Convenience method for creating a GraphUser collection.
     *
     * @throws SDKException
     *
     * @return GraphUser
     */
    public function makeGraphUser()
    {
        return $this->makeGraphNode(static::BASE_GRAPH_OBJECT_PREFIX . 'GraphUser');
    }

    /**
     * Convenience method for creating a GraphEvent collection.
     *
     * @throws SDKException
     *
     * @return GraphEvent
     */
    public function makeGraphEvent()
    {
        return $this->makeGraphNode(static::BASE_GRAPH_OBJECT_PREFIX . 'GraphEvent');
    }

    /**
     * Convenience method for creating a GraphGroup collection.
     *
     * @throws SDKException
     *
     * @return GraphGroup
     */
    public function makeGraphGroup()
    {
        return $this->makeGraphNode(static::BASE_GRAPH_OBJECT_PREFIX . 'GraphGroup');
    }

    /**
     * Tries to convert a Response entity into a GraphEdge.
     *
     * @param null|string $subclassName the GraphNode sub class to cast the list items to
     * @param bool        $auto_prefix  toggle to auto-prefix the subclass name
     *
     * @throws SDKException
     *
     * @return GraphEdge
     */
    public function makeGraphEdge($subclassName = null, $auto_prefix = true)
    {
        $this->validateResponseAsArray();
        $this->validateResponseCastableAsGraphEdge();

        if ($subclassName && $auto_prefix) {
            $subclassName = static::BASE_GRAPH_OBJECT_PREFIX . $subclassName;
        }

        return $this->castAsGraphNodeOrGraphEdge($this->decodedBody, $subclassName);

    }

    /**
     * Validates the decoded body.
     *
     * @throws SDKException
     */
    public function validateResponseAsArray()
    {
        if (!is_array($this->decodedBody)) {

            throw new SDKException('Unable to get response from Graph as array.', 620);
        }
    }

    /**
     * Validates that the return data can be cast as a GraphNode.
     *
     * @throws SDKException
     */
    public function validateResponseCastableAsGraphNode()
    {
        if (isset($this->decodedBody['data']) && static::isCastableAsGraphEdge($this->decodedBody['data'])) {
            throw new SDKException(
                'Unable to convert response from Graph to a GraphNode because the response looks like a GraphEdge. Try using GraphNodeFactory::makeGraphEdge() instead.',
                620
            );
        }
    }

    /**
     * Validates that the return data can be cast as a GraphEdge.
     *
     * @throws SDKException
     */
    public function validateResponseCastableAsGraphEdge()
    {
        if (!(isset($this->decodedBody['data']) && static::isCastableAsGraphEdge($this->decodedBody['data']))) {
            throw new SDKException(
                'Unable to convert response from Graph to a GraphEdge because the response does not look like a GraphEdge. Try using GraphNodeFactory::makeGraphNode() instead.',
                620
            );
        }
    }

    /**
     * Safely instantiates a GraphNode of $subclassName.
     *
     * @param array       $data         the array of data to iterate over
     * @param null|string $subclassName the subclass to cast this collection to
     *
     * @throws SDKException
     *
     * @return GraphNode
     */
    public function safelyMakeGraphNode(array $data, $subclassName = null)
    {
        $subclassName = $subclassName ?: static::BASE_GRAPH_NODE_CLASS;
        static::validateSubclass($subclassName);

        // Remember the parent node ID
        $parentNodeId = $data['id'] ?? null;

        $items = [];

        foreach ($data as $k => $v) {
            // Array means could be recurable
            if (is_array($v)) {
                // Detect any smart-casting from the $graphNodeMap array.
                // This is always empty on the GraphNode collection, but subclasses can define
                // their own array of smart-casting types.
                $graphNodeMap = $subclassName::getNodeMap();
                $objectSubClass = $graphNodeMap[$k] ?? null;

                // Could be a GraphEdge or GraphNode
                $items[$k] = $this->castAsGraphNodeOrGraphEdge($v, $objectSubClass, $k, $parentNodeId);
            } else {
                $items[$k] = $v;
            }
        }

        return new $subclassName($items);
    }

    /**
     * Takes an array of values and determines how to cast each node.
     *
     * @param array       $data         the array of data to iterate over
     * @param null|string $subclassName the subclass to cast this collection to
     * @param null|string $parentKey    the key of this data (Graph edge)
     * @param null|string $parentNodeId the parent Graph node ID
     *
     * @throws SDKException
     *
     * @return GraphEdge|GraphNode
     */
    public function castAsGraphNodeOrGraphEdge(array $data, $subclassName = null, $parentKey = null, $parentNodeId = null)
    {
        if (isset($data['data'])) {
            // Create GraphEdge
            if (static::isCastableAsGraphEdge($data['data'])) {
                return $this->safelyMakeGraphEdge($data, $subclassName, $parentKey, $parentNodeId);
            }

            // Sometimes Graph is a weirdo and returns a GraphNode under the "data" key
            if (count($data) === 1) {
                $data = $data['data'];
            }
        }

        // Create GraphNode
        return $this->safelyMakeGraphNode($data, $subclassName);
    }

    /**
     * Return an array of GraphNode's.
     *
     * @param array       $data         the array of data to iterate over
     * @param null|string $subclassName the GraphNode subclass to cast each item in the list to
     * @param null|string $parentKey    the key of this data (Graph edge)
     * @param null|string $parentNodeId the parent Graph node ID
     *
     * @throws SDKException
     *
     * @return GraphEdge
     */
    public function safelyMakeGraphEdge(array $data, $subclassName = null, $parentKey = null, $parentNodeId = null)
    {
        if (!isset($data['data'])) {
            throw new SDKException('Cannot cast data to GraphEdge. Expected a "data" key.', 620);
        }

        $dataList = [];
        foreach ($data['data'] as $graphNode) {
            $dataList[] = $this->safelyMakeGraphNode($graphNode, $subclassName);
        }

        $metaData = $this->getMetaData($data);

        // We'll need to make an edge endpoint for this in case it's a GraphEdge (for cursor pagination)
        $parentGraphEdgeEndpoint = $parentNodeId && $parentKey ? '/' . $parentNodeId . '/' . $parentKey : null;
        $className = static::BASE_GRAPH_EDGE_CLASS;

        return new $className($this->response->getRequest(), $dataList, $metaData, $parentGraphEdgeEndpoint, $subclassName);
    }

    /**
     * Get the meta data from a list in a Graph response.
     *
     * @param array $data the Graph response
     *
     * @return array
     */
    public function getMetaData(array $data)
    {
        unset($data['data']);

        return $data;
    }

    /**
     * Determines whether or not the data should be cast as a GraphEdge.
     *
     * @param array $data
     *
     * @return bool
     */
    public static function isCastableAsGraphEdge(array $data)
    {
        if ($data === []) {
            return true;
        }

        // Checks for a sequential numeric array which would be a GraphEdge
        return array_keys($data) === range(0, count($data) - 1);
    }

    /**
     * Ensures that the subclass in question is valid.
     *
     * @param string $subclassName the GraphNode subclass to validate
     *
     * @throws SDKException
     */
    public static function validateSubclass($subclassName)
    {
        if ($subclassName == static::BASE_GRAPH_NODE_CLASS || is_subclass_of($subclassName, static::BASE_GRAPH_NODE_CLASS)) {
            return;
        }

        throw new SDKException('The given subclass "' . $subclassName . '" is not valid. Cannot cast to an object that is not a GraphNode subclass.', 620);
    }
}


1		<?php
2		/**
3		* Copyright 2017 Facebook, Inc.
4		*
5		* You are hereby granted a non-exclusive, worldwide, royalty-free license to
6		* use, copy, modify, and distribute this software in source code or binary
7		* form for use in connection with the web services and APIs provided by
8		* Facebook.
9		*
10		* As with any software that integrates with the Facebook platform, your use
11		* of this software is subject to the Facebook Developer Principles and
12		* Policies [http://developers.facebook.com/policy/]. This copyright notice
13		* shall be included in all copies or substantial portions of the software.
14		*
15		* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16		* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17		* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18		* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19		* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20		* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21		* DEALINGS IN THE SOFTWARE.
22		*/
23		namespace Facebook\GraphNode;
24
25		use Facebook\Response;
26		use Facebook\Exception\SDKException;
27
28		/**
29		* Class GraphNodeFactory.
30		*
31		* @package Facebook
32		*
33		* ## Assumptions ##
34		* GraphEdge - is ALWAYS a numeric array
35		* GraphEdge - is ALWAYS an array of GraphNode types
36		* GraphNode - is ALWAYS an associative array
37		* GraphNode - MAY contain GraphNode's "recurrable"
38		* GraphNode - MAY contain GraphEdge's "recurrable"
39		* GraphNode - MAY contain DateTime's "primitives"
40		* GraphNode - MAY contain string's "primitives"
41		*/
42		class GraphNodeFactory
43		{
44		/**
45		* @const string The base graph object class.
46		*/
47		const BASE_GRAPH_NODE_CLASS = GraphNode::class;
48
49		/**
50		* @const string The base graph edge class.
51		*/
52		const BASE_GRAPH_EDGE_CLASS = GraphEdge::class;
53
54		/**
55		* @const string The graph object prefix.
56		*/
57		const BASE_GRAPH_OBJECT_PREFIX = '\Facebook\GraphNode\\';
58
59		/**
60		* @var Response the response entity from Graph
61		*/
62		protected $response;
63
64		/**
65		* @var array the decoded body of the Response entity from Graph
66		*/
67		protected $decodedBody;
68
69		/**
70		* Init this Graph object.
71		*
72		* @param Response $response the response entity from Graph
73		*/
74	42	public function __construct(Response $response)
75		{
76	42	$this->response = $response;
77	42	$this->decodedBody = $response->getDecodedBody();
78	42	}
79
80		/**
81		* Tries to convert a Response entity into a GraphNode.
82		*
83		* @param null\|string $subclassName the GraphNode sub class to cast to
84		*
85		* @throws SDKException
86		*
87		* @return GraphNode
88		*/
89	33	public function makeGraphNode($subclassName = null)
90		{
91	33	$this->validateResponseAsArray();
92	33	$this->validateResponseCastableAsGraphNode();
93
94	33	return $this->castAsGraphNodeOrGraphEdge($this->decodedBody, $subclassName);
		0 ignored issues – show Bug Best Practice introduced 2017-12-04 21:02 UTC by Report Bug Copy Issue Report The expression `return $this->castAsGrap...dedBody, $subclassName)` also could return the type `Facebook\GraphNode\GraphEdge` which is incompatible with the documented return type `Facebook\GraphNode\GraphNode`. Loading history...
95		}
96
97		/**
98		* Convenience method for creating a GraphAchievement collection.
99		*
100		* @throws SDKException
101		*
102		* @return GraphAchievement
103		*/
104	6	public function makeGraphAchievement()
105		{
106	6	return $this->makeGraphNode(static::BASE_GRAPH_OBJECT_PREFIX . 'GraphAchievement');
107		}
108
109		/**
110		* Convenience method for creating a GraphAlbum collection.
111		*
112		* @throws SDKException
113		*
114		* @return GraphAlbum
115		*/
116	3	public function makeGraphAlbum()
117		{
118	3	return $this->makeGraphNode(static::BASE_GRAPH_OBJECT_PREFIX . 'GraphAlbum');
119		}
120
121		/**
122		* Convenience method for creating a GraphPage collection.
123		*
124		* @throws SDKException
125		*
126		* @return GraphPage
127		*/
128	2	public function makeGraphPage()
129		{
130	2	return $this->makeGraphNode(static::BASE_GRAPH_OBJECT_PREFIX . 'GraphPage');
131		}
132
133		/**
134		* Convenience method for creating a GraphSessionInfo collection.
135		*
136		* @throws SDKException
137		*
138		* @return GraphSessionInfo
139		*/
140	1	public function makeGraphSessionInfo()
141		{
142	1	return $this->makeGraphNode(static::BASE_GRAPH_OBJECT_PREFIX . 'GraphSessionInfo');
143		}
144
145		/**
146		* Convenience method for creating a GraphUser collection.
147		*
148		* @throws SDKException
149		*
150		* @return GraphUser
151		*/
152	7	public function makeGraphUser()
153		{
154	7	return $this->makeGraphNode(static::BASE_GRAPH_OBJECT_PREFIX . 'GraphUser');
155		}
156
157		/**
158		* Convenience method for creating a GraphEvent collection.
159		*
160		* @throws SDKException
161		*
162		* @return GraphEvent
163		*/
164	4	public function makeGraphEvent()
165		{
166	4	return $this->makeGraphNode(static::BASE_GRAPH_OBJECT_PREFIX . 'GraphEvent');
167		}
168
169		/**
170		* Convenience method for creating a GraphGroup collection.
171		*
172		* @throws SDKException
173		*
174		* @return GraphGroup
175		*/
176	2	public function makeGraphGroup()
177		{
178	2	return $this->makeGraphNode(static::BASE_GRAPH_OBJECT_PREFIX . 'GraphGroup');
179		}
180
181		/**
182		* Tries to convert a Response entity into a GraphEdge.
183		*
184		* @param null\|string $subclassName the GraphNode sub class to cast the list items to
185		* @param bool $auto_prefix toggle to auto-prefix the subclass name
186		*
187		* @throws SDKException
188		*
189		* @return GraphEdge
190		*/
191	6	public function makeGraphEdge($subclassName = null, $auto_prefix = true)
192		{
193	6	$this->validateResponseAsArray();
194	6	$this->validateResponseCastableAsGraphEdge();
195
196	6	if ($subclassName && $auto_prefix) {
197		$subclassName = static::BASE_GRAPH_OBJECT_PREFIX . $subclassName;
198		}
199
200	6	return $this->castAsGraphNodeOrGraphEdge($this->decodedBody, $subclassName);
		0 ignored issues – show Bug Best Practice introduced 2017-12-04 21:02 UTC by Report Bug Copy Issue Report The expression `return $this->castAsGrap...dedBody, $subclassName)` also could return the type `Facebook\GraphNode\GraphNode` which is incompatible with the documented return type `Facebook\GraphNode\GraphEdge`. Loading history...
201		}
202
203		/**
204		* Validates the decoded body.
205		*
206		* @throws SDKException
207		*/
208	38	public function validateResponseAsArray()
209		{
210	38	if (!is_array($this->decodedBody)) {
		0 ignored issues – show introduced 2018-10-27 08:28 UTC by Report Bug Copy Issue Report The condition `is_array($this->decodedBody)` is always `true`. Loading history...
211		throw new SDKException('Unable to get response from Graph as array.', 620);
212		}
213	38	}
214
215		/**
216		* Validates that the return data can be cast as a GraphNode.
217		*
218		* @throws SDKException
219		*/
220	35	public function validateResponseCastableAsGraphNode()
221		{
222	35	if (isset($this->decodedBody['data']) && static::isCastableAsGraphEdge($this->decodedBody['data'])) {
223	1	throw new SDKException(
224	1	'Unable to convert response from Graph to a GraphNode because the response looks like a GraphEdge. Try using GraphNodeFactory::makeGraphEdge() instead.',
225	1	620
226		);
227		}
228	34	}
229
230		/**
231		* Validates that the return data can be cast as a GraphEdge.
232		*
233		* @throws SDKException
234		*/
235	8	public function validateResponseCastableAsGraphEdge()
236		{
237	8	if (!(isset($this->decodedBody['data']) && static::isCastableAsGraphEdge($this->decodedBody['data']))) {
238	1	throw new SDKException(
239	1	'Unable to convert response from Graph to a GraphEdge because the response does not look like a GraphEdge. Try using GraphNodeFactory::makeGraphNode() instead.',
240	1	620
241		);
242		}
243	7	}
244
245		/**
246		* Safely instantiates a GraphNode of $subclassName.
247		*
248		* @param array $data the array of data to iterate over
249		* @param null\|string $subclassName the subclass to cast this collection to
250		*
251		* @throws SDKException
252		*
253		* @return GraphNode
254		*/
255	38	public function safelyMakeGraphNode(array $data, $subclassName = null)
256		{
257	38	$subclassName = $subclassName ?: static::BASE_GRAPH_NODE_CLASS;
258	38	static::validateSubclass($subclassName);
259
260		// Remember the parent node ID
261	38	$parentNodeId = $data['id'] ?? null;
262
263	38	$items = [];
264
265	38	foreach ($data as $k => $v) {
266		// Array means could be recurable
267	38	if (is_array($v)) {
268		// Detect any smart-casting from the $graphNodeMap array.
269		// This is always empty on the GraphNode collection, but subclasses can define
270		// their own array of smart-casting types.
271	20	$graphNodeMap = $subclassName::getNodeMap();
272	20	$objectSubClass = $graphNodeMap[$k] ?? null;
273
274		// Could be a GraphEdge or GraphNode
275	20	$items[$k] = $this->castAsGraphNodeOrGraphEdge($v, $objectSubClass, $k, $parentNodeId);
276		} else {
277	38	$items[$k] = $v;
278		}
279		}
280
281	38	return new $subclassName($items);
282		}
283
284		/**
285		* Takes an array of values and determines how to cast each node.
286		*
287		* @param array $data the array of data to iterate over
288		* @param null\|string $subclassName the subclass to cast this collection to
289		* @param null\|string $parentKey the key of this data (Graph edge)
290		* @param null\|string $parentNodeId the parent Graph node ID
291		*
292		* @throws SDKException
293		*
294		* @return GraphEdge\|GraphNode
295		*/
296	38	public function castAsGraphNodeOrGraphEdge(array $data, $subclassName = null, $parentKey = null, $parentNodeId = null)
297		{
298	38	if (isset($data['data'])) {
299		// Create GraphEdge
300	8	if (static::isCastableAsGraphEdge($data['data'])) {
301	6	return $this->safelyMakeGraphEdge($data, $subclassName, $parentKey, $parentNodeId);
302		}
303
304		// Sometimes Graph is a weirdo and returns a GraphNode under the "data" key
305	2	if (count($data) === 1) {
306	1	$data = $data['data'];
307		}
308		}
309
310		// Create GraphNode
311	34	return $this->safelyMakeGraphNode($data, $subclassName);
312		}
313
314		/**
315		* Return an array of GraphNode's.
316		*
317		* @param array $data the array of data to iterate over
318		* @param null\|string $subclassName the GraphNode subclass to cast each item in the list to
319		* @param null\|string $parentKey the key of this data (Graph edge)
320		* @param null\|string $parentNodeId the parent Graph node ID
321		*
322		* @throws SDKException
323		*
324		* @return GraphEdge
325		*/
326	6	public function safelyMakeGraphEdge(array $data, $subclassName = null, $parentKey = null, $parentNodeId = null)
327		{
328	6	if (!isset($data['data'])) {
329		throw new SDKException('Cannot cast data to GraphEdge. Expected a "data" key.', 620);
330		}
331
332	6	$dataList = [];
333	6	foreach ($data['data'] as $graphNode) {
334	6	$dataList[] = $this->safelyMakeGraphNode($graphNode, $subclassName);
335		}
336
337	6	$metaData = $this->getMetaData($data);
338
339		// We'll need to make an edge endpoint for this in case it's a GraphEdge (for cursor pagination)
340	6	$parentGraphEdgeEndpoint = $parentNodeId && $parentKey ? '/' . $parentNodeId . '/' . $parentKey : null;
341	6	$className = static::BASE_GRAPH_EDGE_CLASS;
342
343	6	return new $className($this->response->getRequest(), $dataList, $metaData, $parentGraphEdgeEndpoint, $subclassName);
344		}
345
346		/**
347		* Get the meta data from a list in a Graph response.
348		*
349		* @param array $data the Graph response
350		*
351		* @return array
352		*/
353	6	public function getMetaData(array $data)
354		{
355	6	unset($data['data']);
356
357	6	return $data;
358		}
359
360		/**
361		* Determines whether or not the data should be cast as a GraphEdge.
362		*
363		* @param array $data
364		*
365		* @return bool
366		*/
367	11	public static function isCastableAsGraphEdge(array $data)
368		{
369	11	if ($data === []) {
370	1	return true;
371		}
372
373		// Checks for a sequential numeric array which would be a GraphEdge
374	11	return array_keys($data) === range(0, count($data) - 1);
375		}
376
377		/**
378		* Ensures that the subclass in question is valid.
379		*
380		* @param string $subclassName the GraphNode subclass to validate
381		*
382		* @throws SDKException
383		*/
384	40	public static function validateSubclass($subclassName)
385		{
386	40	if ($subclassName == static::BASE_GRAPH_NODE_CLASS \|\| is_subclass_of($subclassName, static::BASE_GRAPH_NODE_CLASS)) {
387	39	return;
388		}
389
390	1	throw new SDKException('The given subclass "' . $subclassName . '" is not valid. Cannot cast to an object that is not a GraphNode subclass.', 620);
391		}
392		}
393

facebook / php-graph-sdk

Pull Request — master (#1085)

GraphNodeFactory::getMetaData() A

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