Manager::getSerializer() - Code Metrics - Inspection of "Refactored the JsonApiSerializer" - thephpleague/fractal - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#279)

unknown

created 2016-02-26 13:16 UTC

Manager::getSerializer() A

↳ Parent: Manager

Complexity

Conditions	2
Paths	2

Size

Total Lines	8
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	5
CRAP Score	2

Importance

Changes	2
Bugs	1	Features	0

Metric	Value
c	2
b	1
f	0
dl	0
loc	8
ccs	5
cts	5
cp	1
rs	9.4285
cc	2
eloc	4
nc	2
nop	0
crap	2

<?php

/*
 * This file is part of the League\Fractal package.
 *
 * (c) Phil Sturgeon <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace League\Fractal;

use League\Fractal\Resource\ResourceInterface;
use League\Fractal\Serializer\DataArraySerializer;
use League\Fractal\Serializer\SerializerAbstract;

/**
 * Manager
 *
 * Not a wildly creative name, but the manager is what a Fractal user will interact
 * with the most. The manager has various configurable options, and allows users
 * to create the "root scope" easily.
 */
class Manager
{
    /**
     * Array of scope identifiers for resources to include.
     *
     * @var array
     */
    protected $requestedIncludes = [];

    /**
     * Array of scope identifiers for resources to exclude.
     *
     * @var array
     */
    protected $requestedExcludes = [];

    /**
     * Array containing modifiers as keys and an array value of params.
     *
     * @var array
     */
    protected $includeParams = [];

    /**
     * The character used to separate modifier parameters.
     *
     * @var string
     */
    protected $paramDelimiter = '|';

    /**
     * Upper limit to how many levels of included data are allowed.
     *
     * @var int
     */
    protected $recursionLimit = 10;

    /**
     * Serializer.
     *
     * @var SerializerAbstract
     */
    protected $serializer;

    /**
     * Create Data.
     *
     * Main method to kick this all off. Make a resource then pass it over, and use toArray()
     *
     * @param ResourceInterface $resource
     * @param string            $scopeIdentifier
     * @param Scope             $parentScopeInstance
     *
     * @return Scope
     */
    public function createData(ResourceInterface $resource, $scopeIdentifier = null, Scope $parentScopeInstance = null)
    {
        $scopeInstance = new Scope($this, $resource, $scopeIdentifier);

        // Update scope history
        if ($parentScopeInstance !== null) {
            // This will be the new children list of parents (parents parents, plus the parent)
            $scopeArray = $parentScopeInstance->getParentScopes();
            $scopeArray[] = $parentScopeInstance->getScopeIdentifier();

            $scopeInstance->setParentScopes($scopeArray);
        }

        return $scopeInstance;
    }

    /**
     * Get Include Params.
     *
     * @param string $include
     *
     * @return \League\Fractal\ParamBag|null
     */
    public function getIncludeParams($include)
    {
        if (! isset($this->includeParams[$include])) {
            return;
        }

        $params = $this->includeParams[$include];

        return new ParamBag($params);
    }

    /**
     * Get Requested Includes.
     *
     * @return array
     */
    public function getRequestedIncludes()
    {
        return $this->requestedIncludes;
    }

    /**
     * Get Requested Excludes.
     *
     * @return array
     */
    public function getRequestedExcludes()
    {
        return $this->requestedExcludes;
    }

    /**
     * Get Serializer.
     *
     * @return SerializerAbstract
     */
    public function getSerializer()
    {
        if (! $this->serializer) {
            $this->setSerializer(new DataArraySerializer());
        }

        return $this->serializer;
    }

    /**
     * Parse Include String.
     *
     * @param array|string $includes Array or csv string of resources to include
     *
     * @return $this
     */
    public function parseIncludes($includes)
    {
        // Wipe these before we go again
        $this->requestedIncludes = $this->includeParams = [];

        if (is_string($includes)) {
            $includes = explode(',', $includes);
        }

        if (! is_array($includes)) {
            throw new \InvalidArgumentException(
                'The parseIncludes() method expects a string or an array. '.gettype($includes).' given'
            );
        }

        foreach ($includes as $include) {
            list($includeName, $allModifiersStr) = array_pad(explode(':', $include, 2), 2, null);

            // Trim it down to a cool level of recursion
            $includeName = $this->trimToAcceptableRecursionLevel($includeName);

            if (in_array($includeName, $this->requestedIncludes)) {
                continue;
            }
            $this->requestedIncludes[] = $includeName;

            // No Params? Bored
            if ($allModifiersStr === null) {
                continue;
            }

            // Matches multiple instances of 'something(foo|bar|baz)' in the string
            // I guess it ignores : so you could use anything, but probably don't do that
            preg_match_all('/([\w]+)(\(([^\)]+)\))?/', $allModifiersStr, $allModifiersArr);

            // [0] is full matched strings...
            $modifierCount = count($allModifiersArr[0]);

            $modifierArr = [];

            for ($modifierIt = 0; $modifierIt < $modifierCount; $modifierIt++) {
                // [1] is the modifier
                $modifierName = $allModifiersArr[1][$modifierIt];

                // and [3] is delimited params
                $modifierParamStr = $allModifiersArr[3][$modifierIt];

                // Make modifier array key with an array of params as the value
                $modifierArr[$modifierName] = explode($this->paramDelimiter, $modifierParamStr);
            }

            $this->includeParams[$includeName] = $modifierArr;
        }

        // This should be optional and public someday, but without it includes would never show up
        $this->autoIncludeParents();

        return $this;
    }

    /**
     * Parse Exclude String.
     *
     * @param array|string $excludes Array or csv string of resources to exclude
     *
     * @return $this
     */
    public function parseExcludes($excludes)
    {
        $this->requestedExcludes = [];

        if (is_string($excludes)) {
            $excludes = explode(',', $excludes);
        }

        if (! is_array($excludes)) {
            throw new \InvalidArgumentException(
                'The parseExcludes() method expects a string or an array. '.gettype($excludes).' given'
            );
        }

        foreach ($excludes as $excludeName) {
            $excludeName = $this->trimToAcceptableRecursionLevel($excludeName);

            if (in_array($excludeName, $this->requestedExcludes)) {
                continue;
            }

            $this->requestedExcludes[] = $excludeName;
        }

        return $this;
    }

    /**
     * Set Recursion Limit.
     *
     * @param int $recursionLimit
     *
     * @return $this
     */
    public function setRecursionLimit($recursionLimit)
    {
        $this->recursionLimit = $recursionLimit;

        return $this;
    }

    /**
     * Set Serializer
     *
     * @param SerializerAbstract $serializer
     *
     * @return $this
     */
    public function setSerializer(SerializerAbstract $serializer)
    {
        $this->serializer = $serializer;

        return $this;
    }

    /**
     * Auto-include Parents
     *
     * Look at the requested includes and automatically include the parents if they
     * are not explicitly requested. E.g: [foo, bar.baz] becomes [foo, bar, bar.baz]
     *
     * @internal
     *
     * @return void
     */
    protected function autoIncludeParents()
    {
        $parsed = [];

        foreach ($this->requestedIncludes as $include) {
            $nested = explode('.', $include);

            $part = array_shift($nested);
            $parsed[] = $part;

            while (count($nested) > 0) {
                $part .= '.'.array_shift($nested);
                $parsed[] = $part;
            }
        }

        $this->requestedIncludes = array_values(array_unique($parsed));
    }

    /**
     * Trim to Acceptable Recursion Level
     *
     * Strip off any requested resources that are too many levels deep, to avoid DiCaprio being chased
     * by trains or whatever the hell that movie was about.
     *
     * @internal
     *
     * @param string $includeName
     *
     * @return string
     */
    protected function trimToAcceptableRecursionLevel($includeName)
    {
        return implode('.', array_slice(explode('.', $includeName), 0, $this->recursionLimit));
    }
}


1		<?php
2
3		/*
4		* This file is part of the League\Fractal package.
5		*
6		* (c) Phil Sturgeon <[email protected]>
7		*
8		* For the full copyright and license information, please view the LICENSE
9		* file that was distributed with this source code.
10		*/
11
12		namespace League\Fractal;
13
14		use League\Fractal\Resource\ResourceInterface;
15		use League\Fractal\Serializer\DataArraySerializer;
16		use League\Fractal\Serializer\SerializerAbstract;
17
18		/**
19		* Manager
20		*
21		* Not a wildly creative name, but the manager is what a Fractal user will interact
22		* with the most. The manager has various configurable options, and allows users
23		* to create the "root scope" easily.
24		*/
25		class Manager
26		{
27		/**
28		* Array of scope identifiers for resources to include.
29		*
30		* @var array
31		*/
32		protected $requestedIncludes = [];
33
34		/**
35		* Array of scope identifiers for resources to exclude.
36		*
37		* @var array
38		*/
39		protected $requestedExcludes = [];
40
41		/**
42		* Array containing modifiers as keys and an array value of params.
43		*
44		* @var array
45		*/
46		protected $includeParams = [];
47
48		/**
49		* The character used to separate modifier parameters.
50		*
51		* @var string
52		*/
53		protected $paramDelimiter = '\|';
54
55		/**
56		* Upper limit to how many levels of included data are allowed.
57		*
58		* @var int
59		*/
60		protected $recursionLimit = 10;
61
62		/**
63		* Serializer.
64		*
65		* @var SerializerAbstract
66		*/
67		protected $serializer;
68
69		/**
70		* Create Data.
71		*
72		* Main method to kick this all off. Make a resource then pass it over, and use toArray()
73		*
74		* @param ResourceInterface $resource
75		* @param string $scopeIdentifier
76		* @param Scope $parentScopeInstance
77		*
78		* @return Scope
79		*/
80	32	public function createData(ResourceInterface $resource, $scopeIdentifier = null, Scope $parentScopeInstance = null)
81		{
82	32	$scopeInstance = new Scope($this, $resource, $scopeIdentifier);
83
84		// Update scope history
85	32	if ($parentScopeInstance !== null) {
86		// This will be the new children list of parents (parents parents, plus the parent)
87	27	$scopeArray = $parentScopeInstance->getParentScopes();
88	27	$scopeArray[] = $parentScopeInstance->getScopeIdentifier();
89
90	27	$scopeInstance->setParentScopes($scopeArray);
91	27	}
92
93	32	return $scopeInstance;
94		}
95
96		/**
97		* Get Include Params.
98		*
99		* @param string $include
100		*
101		* @return \League\Fractal\ParamBag\|null
102		*/
103	23	public function getIncludeParams($include)
104		{
105	23	if (! isset($this->includeParams[$include])) {
106	21	return;
107		}
108
109	2	$params = $this->includeParams[$include];
110
111	2	return new ParamBag($params);
112		}
113
114		/**
115		* Get Requested Includes.
116		*
117		* @return array
118		*/
119	34	public function getRequestedIncludes()
120		{
121	34	return $this->requestedIncludes;
122		}
123
124		/**
125		* Get Requested Excludes.
126		*
127		* @return array
128		*/
129	24	public function getRequestedExcludes()
130		{
131	24	return $this->requestedExcludes;
132		}
133
134		/**
135		* Get Serializer.
136		*
137		* @return SerializerAbstract
138		*/
139	39	public function getSerializer()
140		{
141	39	if (! $this->serializer) {
142	7	$this->setSerializer(new DataArraySerializer());
143	7	}
144
145	39	return $this->serializer;
146		}
147
148		/**
149		* Parse Include String.
150		*
151		* @param array\|string $includes Array or csv string of resources to include
152		*
153		* @return $this
154		*/
155	33	public function parseIncludes($includes)
156		{
157		// Wipe these before we go again
158	33	$this->requestedIncludes = $this->includeParams = [];
159
160	33	if (is_string($includes)) {
161	27	$includes = explode(',', $includes);
162	27	}
163
164	33	if (! is_array($includes)) {
165	2	throw new \InvalidArgumentException(
166	2	'The parseIncludes() method expects a string or an array. '.gettype($includes).' given'
167	2	);
168		}
169
170	31	foreach ($includes as $include) {
171	31	list($includeName, $allModifiersStr) = array_pad(explode(':', $include, 2), 2, null);
172
173		// Trim it down to a cool level of recursion
174	31	$includeName = $this->trimToAcceptableRecursionLevel($includeName);
175
176	31	if (in_array($includeName, $this->requestedIncludes)) {
177	1	continue;
178		}
179	31	$this->requestedIncludes[] = $includeName;
180
181		// No Params? Bored
182	31	if ($allModifiersStr === null) {
183	30	continue;
184		}
185
186		// Matches multiple instances of 'something(foo\|bar\|baz)' in the string
187		// I guess it ignores : so you could use anything, but probably don't do that
188	2	preg_match_all('/([\w]+)(\(([^\)]+)\))?/', $allModifiersStr, $allModifiersArr);
189
190		// [0] is full matched strings...
191	2	$modifierCount = count($allModifiersArr[0]);
192
193	2	$modifierArr = [];
194
195	2	for ($modifierIt = 0; $modifierIt < $modifierCount; $modifierIt++) {
196		// [1] is the modifier
197	2	$modifierName = $allModifiersArr[1][$modifierIt];
198
199		// and [3] is delimited params
200	2	$modifierParamStr = $allModifiersArr[3][$modifierIt];
201
202		// Make modifier array key with an array of params as the value
203	2	$modifierArr[$modifierName] = explode($this->paramDelimiter, $modifierParamStr);
204	2	}
205
206	2	$this->includeParams[$includeName] = $modifierArr;
207	31	}
208
209		// This should be optional and public someday, but without it includes would never show up
210	31	$this->autoIncludeParents();
211
212	31	return $this;
213		}
214
215		/**
216		* Parse Exclude String.
217		*
218		* @param array\|string $excludes Array or csv string of resources to exclude
219		*
220		* @return $this
221		*/
222	5	public function parseExcludes($excludes)
223		{
224	5	$this->requestedExcludes = [];
225
226	5	if (is_string($excludes)) {
227	2	$excludes = explode(',', $excludes);
228	2	}
229
230	5	if (! is_array($excludes)) {
231	2	throw new \InvalidArgumentException(
232	2	'The parseExcludes() method expects a string or an array. '.gettype($excludes).' given'
233	2	);
234		}
235
236	3	foreach ($excludes as $excludeName) {
237	3	$excludeName = $this->trimToAcceptableRecursionLevel($excludeName);
238
239	3	if (in_array($excludeName, $this->requestedExcludes)) {
240	1	continue;
241		}
242
243	3	$this->requestedExcludes[] = $excludeName;
244	3	}
245
246	3	return $this;
247		}
248
249		/**
250		* Set Recursion Limit.
251		*
252		* @param int $recursionLimit
253		*
254		* @return $this
255		*/
256	1	public function setRecursionLimit($recursionLimit)
257		{
258	1	$this->recursionLimit = $recursionLimit;
259
260	1	return $this;
261		}
262
263		/**
264		* Set Serializer
265		*
266		* @param SerializerAbstract $serializer
267		*
268		* @return $this
269		*/
270	39	public function setSerializer(SerializerAbstract $serializer)
271		{
272	39	$this->serializer = $serializer;
273
274	39	return $this;
275		}
276
277		/**
278		* Auto-include Parents
279		*
280		* Look at the requested includes and automatically include the parents if they
281		* are not explicitly requested. E.g: [foo, bar.baz] becomes [foo, bar, bar.baz]
282		*
283		* @internal
284		*
285		* @return void
286		*/
287	31	protected function autoIncludeParents()
288		{
289	31	$parsed = [];
290
291	31	foreach ($this->requestedIncludes as $include) {
292	31	$nested = explode('.', $include);
293
294	31	$part = array_shift($nested);
295	31	$parsed[] = $part;
296
297	31	while (count($nested) > 0) {
298	7	$part .= '.'.array_shift($nested);
299	7	$parsed[] = $part;
300	7	}
301	31	}
302
303	31	$this->requestedIncludes = array_values(array_unique($parsed));
304	31	}
305
306		/**
307		* Trim to Acceptable Recursion Level
308		*
309		* Strip off any requested resources that are too many levels deep, to avoid DiCaprio being chased
310		* by trains or whatever the hell that movie was about.
311		*
312		* @internal
313		*
314		* @param string $includeName
315		*
316		* @return string
317		*/
318	33	protected function trimToAcceptableRecursionLevel($includeName)
319		{
320	33	return implode('.', array_slice(explode('.', $includeName), 0, $this->recursionLimit));
321		}
322		}
323

thephpleague / fractal

Pull Request — master (#279)

Manager::getSerializer() A

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