AnnotationDefinitionProvider::handleGetter() - Code Metrics - Inspection of "Attributes mapping added" - mikemirten/JsonApi - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( d7cd6a...1331f6 )

by Michael

created 2017-05-03 22:35 UTC

AnnotationDefinitionProvider::handleGetter() A

↳ Parent: AnnotationDefinitionProvider

Complexity

Conditions	2
Paths	2

Size

Total Lines	12
Code Lines	7

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	8
CRAP Score	2

Importance

Changes

Metric	Value
dl	0
loc	12
ccs	8
cts	8
cp	1
rs	9.4285
c	0
b	0
f	0
cc	2
eloc	7
nc	2
nop	2
crap	2

<?php
declare(strict_types = 1);

namespace Mikemirten\Component\JsonApi\Mapper\Definition;

use Doctrine\Common\Annotations\AnnotationRegistry;
use Doctrine\Common\Annotations\Reader;
use Mikemirten\Component\JsonApi\Mapper\Definition\Annotation\ResourceIdentifier as ResourceIdentifierAnnotation;
use Mikemirten\Component\JsonApi\Mapper\Definition\Annotation\Relationship as RelationshipAnnotation;
use Mikemirten\Component\JsonApi\Mapper\Definition\Annotation\Attribute as AttributeAnnotation;
use Mikemirten\Component\JsonApi\Mapper\Definition\Annotation\Link as LinkAnnotation;

/**
 * Annotation Definition Provider based on the Doctrine-Annotation library
 *
 * @package Mikemirten\Component\JsonApi\Mapper\Definition
 */
class AnnotationDefinitionProvider implements DefinitionProviderInterface
{
    /**
     * Pattern of "resource" parameter of link annotation
     */
    const RESOURCE_PATTERN = '~^(?<repository>[a-z_][a-z0-9_]*)\.(?<link>[a-z_][a-z0-9_]*)$~i';

    /**
     * Pattern of "type" parameter of attribute annotation
     */
    const DATATYPE_PATTERN = '~^(?<type>[a-z_][a-z0-9_]*)\s*(?:\((?<params>[^\)]*)\))?$~i';

    /**
     * Annotation classes ha been registered.
     *
     * @var bool
     */
    static private $annotationsRegistered = false;

    /**
     * Cache of created definitions
     *
     * @var array
     */
    private $definitionCache = [];

    /**
     * Register annotation classes.
     * Supports a medieval-aged way of "autoloading" for the Doctrine Annotation library.
     */
    static protected function registerAnnotations()

    {
        if (self::$annotationsRegistered === false) {
            AnnotationRegistry::registerFile(__DIR__ . '/Annotation/Relationship.php');
            AnnotationRegistry::registerFile(__DIR__ . '/Annotation/Attribute.php');
            AnnotationRegistry::registerFile(__DIR__ . '/Annotation/Link.php');

            self::$annotationsRegistered = true;
        }
    }

    /**
     * Doctrine annotation reader
     *
     * @var Reader
     */
    protected $reader;

    /**
     * AnnotationDefinitionProvider constructor.
     *
     * @param Reader $reader
     */
    public function __construct(Reader $reader)
    {
        self::registerAnnotations();

        $this->reader = $reader;
    }

    /**
     * {@inheritdoc}
     */
    public function getDefinition(string $class): Definition
    {
        if (! isset($this->definitionCache[$class])) {
            $reflection = new \ReflectionClass($class);

            $this->definitionCache[$class] = $this->createDefinition($reflection);
        }

        return $this->definitionCache[$class];
    }

    /**
     * Create definition for given class
     *
     * @param  \ReflectionClass $reflection
     * @return Definition
     */
    protected function createDefinition(\ReflectionClass $reflection): Definition
    {
        $definition = new Definition($reflection->getName());


        $this->processProperties($reflection, $definition);
        $this->processClassAnnotations($reflection, $definition);

        $parent = $reflection->getParentClass();

        if ($parent !== false) {
            $definition->merge($this->createDefinition($parent));
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
        }

        return $definition;
    }

    /**
     * Process properties of class
     *
     * @param \ReflectionClass $reflection
     * @param Definition       $definition
     */
    protected function processProperties(\ReflectionClass $reflection, Definition $definition)
    {
        foreach ($reflection->getProperties() as $property)
        {
            $annotations = $this->reader->getPropertyAnnotations($property);

            foreach ($annotations as $annotation)
            {
                if ($annotation instanceof AttributeAnnotation) {
                    $attribute = $this->createAttribute($annotation, $property);

                    $definition->addAttribute($attribute);
                    continue;
                }

                if ($annotation instanceof RelationshipAnnotation) {
                    $relationship = $this->createRelationship($annotation, $property);

                    $definition->addRelationship($relationship);
                }
            }
        }
    }

    /**
     * Process annotations of class
     *
     * @param \ReflectionClass $reflection
     * @param Definition       $definition
     */
    protected function processClassAnnotations(\ReflectionClass $reflection, Definition $definition)
    {
        $annotations = $this->reader->getClassAnnotations($reflection);

        foreach ($annotations as $annotation)
        {
            if ($annotation instanceof LinkAnnotation) {
                $link = $this->createLink($annotation);

                $definition->addLink($link);
                continue;
            }

            if ($annotation instanceof ResourceIdentifierAnnotation) {
                $this->handlerResourceIdentifier($annotation, $definition);
            }
        }
    }

    /**
     * Handler resource identifier
     *
     * @param ResourceIdentifierAnnotation $annotation
     * @param Definition                   $definition
     */
    protected function handlerResourceIdentifier(ResourceIdentifierAnnotation $annotation, Definition $definition)
    {
        if ($annotation->type !== null) {
            $definition->setType($annotation->type);
        }
    }

    /**
     * Create attribute
     *
     * @param  AttributeAnnotation $annotation
     * @param  \ReflectionProperty $property
     * @return Attribute
     */
    protected function createAttribute(AttributeAnnotation $annotation, \ReflectionProperty $property)
    {
        $name = ($annotation->name === null)
            ? $property->getName()
            : $annotation->name;

        $getter = ($annotation->getter === null)
            ? $this->resolveGetter($property)
            : $annotation->getter;

        $attribute = new Attribute($name, $getter);
        $attribute->setPropertyName($property->getName());

        if ($annotation->type !== null) {
            $this->processDataType($annotation->type, $attribute);
        }

        return $attribute;
    }

    /**
     * Process data-type
     *
     * @param string    $definition
     * @param Attribute $attribute
     */
    protected function processDataType(string $definition, Attribute $attribute)
    {
        if (! preg_match(self::DATATYPE_PATTERN, $definition, $matches)) {
            throw new \LogicException(sprintf('Data-type definition "%s" is invalid.', $definition));
        }

        $attribute->setType($matches['type']);

        if (empty($matches['params'])) {
            return;
        }

        $parameters = explode(',', $matches['params']);
        $parameters = array_map('trim', $parameters);

        $attribute->setTypeParameters($parameters);
    }

    /**
     * Process relationship
     *
     * @param  RelationshipAnnotation $annotation
     * @param  \ReflectionProperty    $property
     * @return Relationship
     */
    protected function createRelationship(RelationshipAnnotation $annotation, \ReflectionProperty $property): Relationship
    {
        $name = ($annotation->name === null)
            ? $property->getName()
            : $annotation->name;

        $type = $this->resolveType($annotation);

        $getter = ($annotation->getter === null)
            ? $this->resolveGetter($property)
            : $annotation->getter;

        $relationship = new Relationship($name, $type, $getter);
        $relationship->setPropertyName($property->getName());

        $this->handleLinks($annotation, $relationship);
        $this->handleDataControl($annotation, $relationship);

        return $relationship;
    }

    /**
     * Resolve getter of related object
     *
     * @param  \ReflectionProperty $property
     * @return string
     */
    protected function resolveGetter(\ReflectionProperty $property): string
    {
        $name  = $property->getName();
        $class = $property->getDeclaringClass();

        foreach (['get', 'is'] as $prefix)
        {
            $getter = $prefix . ucfirst($name);

            if ($class->hasMethod($getter) && $class->getMethod($getter)->isPublic()) {
                return $getter;
            }
        }

        throw new \LogicException(sprintf(
            'Getter-method for the property "%s" cannot be resolved automatically. ' .
            'Probably there is no get%2$s() or is%2$s() method or it is not public.',
            $name, ucfirst($name)
        ));
    }

    /**
     * Handle links
     *
     * @param RelationshipAnnotation $annotation
     * @param Relationship           $relationship
     */
    protected function handleLinks(RelationshipAnnotation $annotation, Relationship $relationship)
    {
        foreach ($annotation->links as $linkAnnotation)
        {
            $link = $this->createLink($linkAnnotation);

            $relationship->addLink($link);
        }
    }

    /**
     * Create link by link's annotation
     *
     * @param  LinkAnnotation $annotation
     * @return Link
     */
    protected function createLink(LinkAnnotation $annotation): Link
    {
        if (! preg_match(self::RESOURCE_PATTERN, $annotation->resource, $matches)) {
            throw new \LogicException(sprintf('Invalid resource definition: "%s"', $annotation->resource));
        }

        $link = new Link(
            $annotation->name,
            $matches['repository'],
            $matches['link']
        );

        $link->setParameters($annotation->parameters);
        $link->setMetadata($annotation->metadata);

        return $link;
    }

    /**
     * Handle control of data-section
     *
     * @param RelationshipAnnotation $annotation
     * @param Relationship           $relationship
     */
    protected function handleDataControl(RelationshipAnnotation $annotation, Relationship $relationship)
    {
        $relationship->setIncludeData($annotation->dataAllowed);
        $relationship->setDataLimit($annotation->dataLimit);
    }

    /**
     * Resolve type of relationship
     *
     * @param  RelationshipAnnotation $annotation
     * @return int
     */
    protected function resolveType(RelationshipAnnotation $annotation): int
    {
        if ($annotation->type === RelationshipAnnotation::TYPE_ONE) {
            return Relationship::TYPE_X_TO_ONE;
        }

        if ($annotation->type === RelationshipAnnotation::TYPE_MANY) {
            return Relationship::TYPE_X_TO_MANY;
        }

        throw new \LogicException(sprintf('Invalid type of relation "%s" defined.', $annotation->type));
    }
}

1		<?php
2		declare(strict_types = 1);
3
4		namespace Mikemirten\Component\JsonApi\Mapper\Definition;
5
6		use Doctrine\Common\Annotations\AnnotationRegistry;
7		use Doctrine\Common\Annotations\Reader;
8		use Mikemirten\Component\JsonApi\Mapper\Definition\Annotation\ResourceIdentifier as ResourceIdentifierAnnotation;
9		use Mikemirten\Component\JsonApi\Mapper\Definition\Annotation\Relationship as RelationshipAnnotation;
10		use Mikemirten\Component\JsonApi\Mapper\Definition\Annotation\Attribute as AttributeAnnotation;
11		use Mikemirten\Component\JsonApi\Mapper\Definition\Annotation\Link as LinkAnnotation;
12
13		/**
14		* Annotation Definition Provider based on the Doctrine-Annotation library
15		*
16		* @package Mikemirten\Component\JsonApi\Mapper\Definition
17		*/
18		class AnnotationDefinitionProvider implements DefinitionProviderInterface
19		{
20		/**
21		* Pattern of "resource" parameter of link annotation
22		*/
23		const RESOURCE_PATTERN = '~^(?<repository>[a-z_][a-z0-9_])\.(?<link>[a-z_][a-z0-9_])$~i';
24
25		/**
26		* Pattern of "type" parameter of attribute annotation
27		*/
28		const DATATYPE_PATTERN = '~^(?<type>[a-z_][a-z0-9_])\s(?:\((?<params>[^\)]*)\))?$~i';
29
30		/**
31		* Annotation classes ha been registered.
32		*
33		* @var bool
34		*/
35		static private $annotationsRegistered = false;
36
37		/**
38		* Cache of created definitions
39		*
40		* @var array
41		*/
42		private $definitionCache = [];
43
44		/**
45		* Register annotation classes.
46		* Supports a medieval-aged way of "autoloading" for the Doctrine Annotation library.
47		*/
48	15	static protected function registerAnnotations()
		0 ignored issues – show Coding Style introduced 2017-04-05 22:46 UTC by Report Bug Copy Issue Report As per PSR2, the `static` declaration should come after the visibility declaration. Loading history...
49		{
50	15	if (self::$annotationsRegistered === false) {
51	1	AnnotationRegistry::registerFile(__DIR__ . '/Annotation/Relationship.php');
52	1	AnnotationRegistry::registerFile(__DIR__ . '/Annotation/Attribute.php');
53	1	AnnotationRegistry::registerFile(__DIR__ . '/Annotation/Link.php');
54
55	1	self::$annotationsRegistered = true;
56		}
57	15	}
58
59		/**
60		* Doctrine annotation reader
61		*
62		* @var Reader
63		*/
64		protected $reader;
65
66		/**
67		* AnnotationDefinitionProvider constructor.
68		*
69		* @param Reader $reader
70		*/
71	15	public function __construct(Reader $reader)
72		{
73	15	self::registerAnnotations();
74
75	15	$this->reader = $reader;
76	15	}
77
78		/**
79		* {@inheritdoc}
80		*/
81	15	public function getDefinition(string $class): Definition
82		{
83	15	if (! isset($this->definitionCache[$class])) {
84	15	$reflection = new \ReflectionClass($class);
85
86	15	$this->definitionCache[$class] = $this->createDefinition($reflection);
87		}
88
89	15	return $this->definitionCache[$class];
90		}
91
92		/**
93		* Create definition for given class
94		*
95		* @param \ReflectionClass $reflection
96		* @return Definition
97		*/
98	15	protected function createDefinition(\ReflectionClass $reflection): Definition
99		{
100	15	$definition = new Definition($reflection->getName());
		0 ignored issues – show Bug introduced 2017-04-26 21:01 UTC by Report Bug Copy Issue Report Consider using `$reflection->name`. There is an issue with `getName()` and APC-enabled PHP versions. Loading history...
101
102	15	$this->processProperties($reflection, $definition);
103	15	$this->processClassAnnotations($reflection, $definition);
104
105	15	$parent = $reflection->getParentClass();
106
107	15	if ($parent !== false) {
108	1	$definition->merge($this->createDefinition($parent));
		0 ignored issues – show Documentation introduced 2017-04-26 21:01 UTC by Report Bug Copy Issue Report `$this->createDefinition($parent)` is of type `object<Mikemirten\Compon...\Definition\Definition>`, but the function expects a `object<self>`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
109		}
110
111	15	return $definition;
112		}
113
114		/**
115		* Process properties of class
116		*
117		* @param \ReflectionClass $reflection
118		* @param Definition $definition
119		*/
120	15	protected function processProperties(\ReflectionClass $reflection, Definition $definition)
121		{
122	15	foreach ($reflection->getProperties() as $property)
123		{
124	15	$annotations = $this->reader->getPropertyAnnotations($property);
125
126	15	foreach ($annotations as $annotation)
127		{
128	11	if ($annotation instanceof AttributeAnnotation) {
129	2	$attribute = $this->createAttribute($annotation, $property);
130
131	2	$definition->addAttribute($attribute);
132	2	continue;
133		}
134
135	9	if ($annotation instanceof RelationshipAnnotation) {
136	9	$relationship = $this->createRelationship($annotation, $property);
137
138	15	$definition->addRelationship($relationship);
139		}
140		}
141		}
142	15	}
143
144		/**
145		* Process annotations of class
146		*
147		* @param \ReflectionClass $reflection
148		* @param Definition $definition
149		*/
150	15	protected function processClassAnnotations(\ReflectionClass $reflection, Definition $definition)
151		{
152	15	$annotations = $this->reader->getClassAnnotations($reflection);
153
154	15	foreach ($annotations as $annotation)
155		{
156	8	if ($annotation instanceof LinkAnnotation) {
157	7	$link = $this->createLink($annotation);
158
159	7	$definition->addLink($link);
160	7	continue;
161		}
162
163	7	if ($annotation instanceof ResourceIdentifierAnnotation) {
164	7	$this->handlerResourceIdentifier($annotation, $definition);
165		}
166		}
167	15	}
168
169		/**
170		* Handler resource identifier
171		*
172		* @param ResourceIdentifierAnnotation $annotation
173		* @param Definition $definition
174		*/
175	7	protected function handlerResourceIdentifier(ResourceIdentifierAnnotation $annotation, Definition $definition)
176		{
177	7	if ($annotation->type !== null) {
178	7	$definition->setType($annotation->type);
179		}
180	7	}
181
182		/**
183		* Create attribute
184		*
185		* @param AttributeAnnotation $annotation
186		* @param \ReflectionProperty $property
187		* @return Attribute
188		*/
189	2	protected function createAttribute(AttributeAnnotation $annotation, \ReflectionProperty $property)
190		{
191	2	$name = ($annotation->name === null)
192	2	? $property->getName()
193	2	: $annotation->name;
194
195	2	$getter = ($annotation->getter === null)
196	2	? $this->resolveGetter($property)
197	2	: $annotation->getter;
198
199	2	$attribute = new Attribute($name, $getter);
200	2	$attribute->setPropertyName($property->getName());
201
202	2	if ($annotation->type !== null) {
203	2	$this->processDataType($annotation->type, $attribute);
204		}
205
206	2	return $attribute;
207		}
208
209		/**
210		* Process data-type
211		*
212		* @param string $definition
213		* @param Attribute $attribute
214		*/
215	2	protected function processDataType(string $definition, Attribute $attribute)
216		{
217	2	if (! preg_match(self::DATATYPE_PATTERN, $definition, $matches)) {
218		throw new \LogicException(sprintf('Data-type definition "%s" is invalid.', $definition));
219		}
220
221	2	$attribute->setType($matches['type']);
222
223	2	if (empty($matches['params'])) {
224		return;
225		}
226
227	2	$parameters = explode(',', $matches['params']);
228	2	$parameters = array_map('trim', $parameters);
229
230	2	$attribute->setTypeParameters($parameters);
231	2	}
232
233		/**
234		* Process relationship
235		*
236		* @param RelationshipAnnotation $annotation
237		* @param \ReflectionProperty $property
238		* @return Relationship
239		*/
240	9	protected function createRelationship(RelationshipAnnotation $annotation, \ReflectionProperty $property): Relationship
241		{
242	9	$name = ($annotation->name === null)
243	7	? $property->getName()
244	9	: $annotation->name;
245
246	9	$type = $this->resolveType($annotation);
247
248	9	$getter = ($annotation->getter === null)
249	9	? $this->resolveGetter($property)
250	9	: $annotation->getter;
251
252	9	$relationship = new Relationship($name, $type, $getter);
253	9	$relationship->setPropertyName($property->getName());
254
255	9	$this->handleLinks($annotation, $relationship);
256	9	$this->handleDataControl($annotation, $relationship);
257
258	9	return $relationship;
259		}
260
261		/**
262		* Resolve getter of related object
263		*
264		* @param \ReflectionProperty $property
265		* @return string
266		*/
267	11	protected function resolveGetter(\ReflectionProperty $property): string
268		{
269	11	$name = $property->getName();
270	11	$class = $property->getDeclaringClass();
271
272	11	foreach (['get', 'is'] as $prefix)
273		{
274	11	$getter = $prefix . ucfirst($name);
275
276	11	if ($class->hasMethod($getter) && $class->getMethod($getter)->isPublic()) {
277	11	return $getter;
278		}
279		}
280
281		throw new \LogicException(sprintf(
282		'Getter-method for the property "%s" cannot be resolved automatically. ' .
283		'Probably there is no get%2$s() or is%2$s() method or it is not public.',
284		$name, ucfirst($name)
285		));
286		}
287
288		/**
289		* Handle links
290		*
291		* @param RelationshipAnnotation $annotation
292		* @param Relationship $relationship
293		*/
294	9	protected function handleLinks(RelationshipAnnotation $annotation, Relationship $relationship)
295		{
296	9	foreach ($annotation->links as $linkAnnotation)
297		{
298	7	$link = $this->createLink($linkAnnotation);
299
300	7	$relationship->addLink($link);
301		}
302	9	}
303
304		/**
305		* Create link by link's annotation
306		*
307		* @param LinkAnnotation $annotation
308		* @return Link
309		*/
310	8	protected function createLink(LinkAnnotation $annotation): Link
311		{
312	8	if (! preg_match(self::RESOURCE_PATTERN, $annotation->resource, $matches)) {
313		throw new \LogicException(sprintf('Invalid resource definition: "%s"', $annotation->resource));
314		}
315
316	8	$link = new Link(
317	8	$annotation->name,
318	8	$matches['repository'],
319	8	$matches['link']
320		);
321
322	8	$link->setParameters($annotation->parameters);
323	8	$link->setMetadata($annotation->metadata);
324
325	8	return $link;
326		}
327
328		/**
329		* Handle control of data-section
330		*
331		* @param RelationshipAnnotation $annotation
332		* @param Relationship $relationship
333		*/
334	9	protected function handleDataControl(RelationshipAnnotation $annotation, Relationship $relationship)
335		{
336	9	$relationship->setIncludeData($annotation->dataAllowed);
337	9	$relationship->setDataLimit($annotation->dataLimit);
338	9	}
339
340		/**
341		* Resolve type of relationship
342		*
343		* @param RelationshipAnnotation $annotation
344		* @return int
345		*/
346	9	protected function resolveType(RelationshipAnnotation $annotation): int
347		{
348	9	if ($annotation->type === RelationshipAnnotation::TYPE_ONE) {
349	2	return Relationship::TYPE_X_TO_ONE;
350		}
351
352	7	if ($annotation->type === RelationshipAnnotation::TYPE_MANY) {
353	7	return Relationship::TYPE_X_TO_MANY;
354		}
355
356		throw new \LogicException(sprintf('Invalid type of relation "%s" defined.', $annotation->type));
357		}
358		}

mikemirten / JsonApi

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AnnotationDefinitionProvider::handleGetter() A

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