AbstractEntity::getKeys() - Code Metrics - Inspection of "morphed stuff" - spiral/components - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Branch — feature/pre-split (364e4e)

by Anton

created 2017-01-22 14:39 UTC

AbstractEntity::getKeys() A

↳ Parent: AbstractEntity

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
eloc	2
nc	1
nop	0
dl	0
loc	4
rs	10
c	0
b	0
f	0

<?php
/**
 * Spiral Framework.
 *
 * @license   MIT
 * @author    Anton Titov (Wolfy-J)
 */
namespace Spiral\Models\Prototypes;

use Spiral\Models\AccessorInterface;
use Spiral\Models\EntityInterface;
use Spiral\Models\Exceptions\EntityException;
use Spiral\Models\Exceptions\AccessExceptionInterface;
use Spiral\Models\PublishableInterface;
use Spiral\Models\Traits\EventsTrait;

/**
 * AbstractEntity with ability to define field mutators and access
 */
abstract class AbstractEntity extends MutableObject implements
    EntityInterface,
    \JsonSerializable,
    \IteratorAggregate,
    AccessorInterface,
    PublishableInterface
{
    use EventsTrait;

    /**
     * Field mutators.
     *
     * @private
     */
    const MUTATOR_GETTER   = 'getter';
    const MUTATOR_SETTER   = 'setter';
    const MUTATOR_ACCESSOR = 'accessor';

    /**
     * @var array
     */
    private $fields = [];

    /**
     * @param array $data
     */
    public function __construct(array $data = [])
    {
        $this->fields = $data;

        //Initiating mutable object
        static::initialize(false);
    }

    /**
     * AccessorInterface dependency.
     *
     * {@inheritdoc}
     */
    public function setValue($data)
    {
        return $this->setFields($data);
    }

    /**
     * AccessorInterface dependency.
     *
     * {@inheritdoc}
     */
    public function packValue()
    {
        return $this->packFields();
    }

    /**
     * {@inheritdoc}
     */
    public function hasField(string $name): bool
    {
        return array_key_exists($name, $this->fields);
    }

    /**
     * {@inheritdoc}
     *
     * @param bool $filter If false, associated field setter or accessor will be ignored.
     *
     * @throws \Spiral\Models\Exceptions\AccessException
     */
    public function setField(string $name, $value, bool $filter = true)
    {
        if ($value instanceof AccessorInterface) {
            //In case of non scalar values filters must be bypassed (check accessor compatibility?)
            $this->fields[$name] = clone $value;

            return;
        }

        if (!$filter || (is_null($value) && $this->isNullable($name))) {
            //Bypassing all filters
            $this->fields[$name] = $value;

            return;
        }

        //Checking if field have accessor
        $accessor = $this->getMutator($name, self::MUTATOR_ACCESSOR);

        if (!empty($accessor)) {
            //Setting value thought associated accessor
            $this->setAccessed($accessor, $name, $value);
        } else {
            //Setting value thought setter filter (if any)
            $this->setMutated($name, $value);
        }
    }

    /**
     * {@inheritdoc}
     *
     * @param bool $filter If false, associated field getter will be ignored.
     *
     * @throws \Spiral\Models\Exceptions\AccessException
     */
    public function getField(string $name, $default = null, bool $filter = true)
    {
        $value = $this->hasField($name) ? $this->fields[$name] : $default;

        if ($value instanceof AccessorInterface || (is_null($value) && $this->isNullable($name))) {
            //Direct access to value when value is accessor or null and declared as nullable
            return $value;
        }

        //Checking if field have accessor (decorator)
        $accessor = $this->getMutator($name, self::MUTATOR_ACCESSOR);

        if (!empty($accessor)) {
            return $this->fields[$name] = $this->createAccessor($accessor, $name, $value);
        }

        //Getting value though getter
        return $this->getMutated($name, $filter, $value);
    }

    /**
     * {@inheritdoc}
     *
     * @see   $fillable
     * @see   $secured
     * @see   isFillable()
     *
     * @param array|\Traversable $fields
     * @param bool               $all Fill all fields including non fillable.
     *
     * @return $this
     *
     * @throws \Spiral\Models\Exceptions\AccessException
     */
    public function setFields($fields = [], bool $all = false)
    {
        if (!is_array($fields) && !$fields instanceof \Traversable) {
            return $this;
        }

        foreach ($fields as $name => $value) {
            if ($all || $this->isFillable($name)) {
                try {
                    $this->setField($name, $value, true);
                } catch (AccessExceptionInterface $e) {
                    //We are supressing field setting exceptions
                }
            }
        }

        return $this;
    }

    /**
     * @return array
     */
    protected function getKeys(): array
    {
        return array_keys($this->fields);
    }

    /**
     * {@inheritdoc}
     *
     * Every getter and accessor will be applied/constructed if filter argument set to true.
     *
     * @param bool $filter
     *
     * @throws \Spiral\Models\Exceptions\AccessException
     */
    public function getFields(bool $filter = true): array
    {
        $result = [];
        foreach ($this->fields as $name => $field) {
            $result[$name] = $this->getField($name, null, $filter);
        }

        return $result;
    }

    /**
     * @param mixed $offset
     *
     * @return bool
     */
    public function __isset($offset)
    {
        return $this->hasField($offset);
    }

    /**
     * @param mixed $offset
     *
     * @return mixed
     */
    public function __get($offset)
    {
        return $this->getField($offset);
    }

    /**
     * @param mixed $offset
     * @param mixed $value
     */
    public function __set($offset, $value)
    {
        $this->setField($offset, $value);
    }

    /**
     * @param mixed $offset
     */
    public function __unset($offset)
    {
        unset($this->fields[$offset]);
    }

    /**
     * {@inheritdoc}
     */
    public function offsetExists($offset)
    {
        return $this->__isset($offset);
    }

    /**
     * {@inheritdoc}
     */
    public function offsetGet($offset)
    {
        return $this->getField($offset);
    }

    /**
     * {@inheritdoc}
     */
    public function offsetSet($offset, $value)
    {
        $this->setField($offset, $value);
    }

    /**
     * {@inheritdoc}
     */
    public function offsetUnset($offset)
    {
        $this->__unset($offset);
    }

    /**
     * {@inheritdoc}
     */
    public function getIterator(): \Iterator
    {
        return new \ArrayIterator($this->getFields());
    }

    /**
     * Pack entity fields data into plain array.
     *
     * @return array
     *
     * @throws \Spiral\Models\Exceptions\AccessException
     */
    public function packFields(): array
    {
        $result = [];
        foreach ($this->fields as $field => $value) {
            if ($value instanceof AccessorInterface) {
                $result[$field] = $value->packValue();
            } else {
                $result[$field] = $value;
            }
        }

        return $result;
    }

    /**
     * {@inheritdoc}
     *
     * Include every composition public data into result.
     */
    public function publicValue(): array
    {
        $result = [];

        foreach ($this->getKeys() as $field) {
            if (!$this->isPublic($field)) {
                //We might need to use isset in future, for performance, for science
                continue;
            }

            $value = $this->getField($field);

            if ($value instanceof PublishableInterface) {
                $result[$field] = $value->publicValue();
            } else {
                $result[$field] = $value;
            }
        }

        return $result;
    }

    /**
     * Alias for packFields.
     *
     * @return array
     */
    public function toArray(): array
    {
        return $this->packFields();
    }

    /**
     * {@inheritdoc}
     *
     * By default use publicFields to be json serialized.
     */
    public function jsonSerialize()
    {
        return $this->publicValue();
    }

    /**
     * Destruct data entity.
     */
    public function __destruct()
    {
        $this->flushFields();
    }

    /**
     * Reset every field value.
     */
    protected function flushFields()
    {
        $this->fields = [];
    }

    /**
     * Indication that field in public and can be presented in published data.
     *
     * @param string $field
     *
     * @return bool
     */
    abstract protected function isPublic(string $field): bool;

    /**
     * Check if field is fillable.
     *
     * @param string $field
     *
     * @return bool
     */
    abstract protected function isFillable(string $field): bool;

    /**
     * Get mutator associated with given field.
     *
     * @param string $field
     * @param string $type See MUTATOR_* constants
     *
     * @return mixed
     */
    abstract protected function getMutator(string $field, string $type);

    /**
     * Nullable fields would not require automatic accessor creation.
     *
     * @param string $field
     *
     * @return bool
     */
    protected function isNullable(string $field): bool
    {
        return false;
    }

    /**
     * Create instance of field accessor.
     *
     * @param mixed|string $accessor Might be entity implementation specific.
     * @param string       $name
     * @param mixed        $value
     * @param array        $context  Custom accessor context.
     *
     * @return AccessorInterface|null
     *
     * @throws AccessException
     * @throws EntityException
     */
    protected function createAccessor(
        $accessor,
        string $name,
        $value,
        array $context = []
    ): AccessorInterface {
        if (!is_string($accessor) || !class_exists($accessor)) {
            throw new EntityException(
                "Unable to create accessor for field {$name} in " . static::class
            );
        }

        //Field as a context
        return new $accessor($value, $context + ['field' => $name, 'entity' => $this]);
    }

    /**
     * Get value thought associated mutator.
     *
     * @param string $name
     * @param bool   $filter
     * @param mixed  $value
     *
     * @return mixed
     */
    private function getMutated(string $name, bool $filter, $value)
    {
        $getter = $this->getMutator($name, self::MUTATOR_GETTER);

        if ($filter && !empty($getter)) {
            try {
                return call_user_func($getter, $value);
            } catch (\Exception $e) {
                //Trying to filter null value, every filter must support it
                return call_user_func($getter, null);
            }
        }

        return $value;
    }

    /**
     * Set value thought associated mutator.
     *
     * @param string $name
     * @param mixed  $value
     */
    private function setMutated(string $name, $value)
    {
        $setter = $this->getMutator($name, self::MUTATOR_SETTER);

        if (!empty($setter)) {
            try {
                $this->fields[$name] = call_user_func($setter, $value);
            } catch (\Exception $e) {
                //Exceptional situation, we are choosing to keep original field value
            }
        } else {
            $this->fields[$name] = $value;
        }
    }

    /**
     * Set value in/thought associated accessor.
     *
     * @param string       $name
     * @param string|array $accessor Accessor definition (implementation specific).
     * @param mixed        $value
     */
    private function setAccessed($accessor, string $name, $value)
    {
        if (array_key_exists($name, $this->fields)) {
            $field = $this->fields[$name];
        } else {
            $field = null;
        }

        if (empty($field) || !($field instanceof AccessorInterface)) {
            //New field representation
            $field = $this->createAccessor($accessor, $name, $value);

            //Save accessor with other fields
            $this->fields[$name] = $field;
        }

        //Letting accessor to set value
        $field->setValue($value);
    }
}

1			<?php
2			/**
3			* Spiral Framework.
4			*
5			* @license MIT
6			* @author Anton Titov (Wolfy-J)
7			*/
8			namespace Spiral\Models\Prototypes;
9
10			use Spiral\Models\AccessorInterface;
11			use Spiral\Models\EntityInterface;
12			use Spiral\Models\Exceptions\EntityException;
13			use Spiral\Models\Exceptions\AccessExceptionInterface;
14			use Spiral\Models\PublishableInterface;
15			use Spiral\Models\Traits\EventsTrait;
16
17			/**
18			* AbstractEntity with ability to define field mutators and access
19			*/
20			abstract class AbstractEntity extends MutableObject implements
21			EntityInterface,
22			\JsonSerializable,
23			\IteratorAggregate,
24			AccessorInterface,
25			PublishableInterface
26			{
27			use EventsTrait;
28
29			/**
30			* Field mutators.
31			*
32			* @private
33			*/
34			const MUTATOR_GETTER = 'getter';
35			const MUTATOR_SETTER = 'setter';
36			const MUTATOR_ACCESSOR = 'accessor';
37
38			/**
39			* @var array
40			*/
41			private $fields = [];
42
43			/**
44			* @param array $data
45			*/
46			public function __construct(array $data = [])
47			{
48			$this->fields = $data;
49
50			//Initiating mutable object
51			static::initialize(false);
52			}
53
54			/**
55			* AccessorInterface dependency.
56			*
57			* {@inheritdoc}
58			*/
59			public function setValue($data)
60			{
61			return $this->setFields($data);
62			}
63
64			/**
65			* AccessorInterface dependency.
66			*
67			* {@inheritdoc}
68			*/
69			public function packValue()
70			{
71			return $this->packFields();
72			}
73
74			/**
75			* {@inheritdoc}
76			*/
77			public function hasField(string $name): bool
78			{
79			return array_key_exists($name, $this->fields);
80			}
81
82			/**
83			* {@inheritdoc}
84			*
85			* @param bool $filter If false, associated field setter or accessor will be ignored.
86			*
87			* @throws \Spiral\Models\Exceptions\AccessException
88			*/
89			public function setField(string $name, $value, bool $filter = true)
90			{
91			if ($value instanceof AccessorInterface) {
92			//In case of non scalar values filters must be bypassed (check accessor compatibility?)
93			$this->fields[$name] = clone $value;
94
95			return;
96			}
97
98			if (!$filter \|\| (is_null($value) && $this->isNullable($name))) {
99			//Bypassing all filters
100			$this->fields[$name] = $value;
101
102			return;
103			}
104
105			//Checking if field have accessor
106			$accessor = $this->getMutator($name, self::MUTATOR_ACCESSOR);
107
108			if (!empty($accessor)) {
109			//Setting value thought associated accessor
110			$this->setAccessed($accessor, $name, $value);
111			} else {
112			//Setting value thought setter filter (if any)
113			$this->setMutated($name, $value);
114			}
115			}
116
117			/**
118			* {@inheritdoc}
119			*
120			* @param bool $filter If false, associated field getter will be ignored.
121			*
122			* @throws \Spiral\Models\Exceptions\AccessException
123			*/
124			public function getField(string $name, $default = null, bool $filter = true)
125			{
126			$value = $this->hasField($name) ? $this->fields[$name] : $default;
127
128			if ($value instanceof AccessorInterface \|\| (is_null($value) && $this->isNullable($name))) {
129			//Direct access to value when value is accessor or null and declared as nullable
130			return $value;
131			}
132
133			//Checking if field have accessor (decorator)
134			$accessor = $this->getMutator($name, self::MUTATOR_ACCESSOR);
135
136			if (!empty($accessor)) {
137			return $this->fields[$name] = $this->createAccessor($accessor, $name, $value);
138			}
139
140			//Getting value though getter
141			return $this->getMutated($name, $filter, $value);
142			}
143
144			/**
145			* {@inheritdoc}
146			*
147			* @see $fillable
148			* @see $secured
149			* @see isFillable()
150			*
151			* @param array\|\Traversable $fields
152			* @param bool $all Fill all fields including non fillable.
153			*
154			* @return $this
155			*
156			* @throws \Spiral\Models\Exceptions\AccessException
157			*/
158			public function setFields($fields = [], bool $all = false)
159			{
160			if (!is_array($fields) && !$fields instanceof \Traversable) {
161			return $this;
162			}
163
164			foreach ($fields as $name => $value) {
165			if ($all \|\| $this->isFillable($name)) {
166			try {
167			$this->setField($name, $value, true);
168			} catch (AccessExceptionInterface $e) {
169			//We are supressing field setting exceptions
170			}
171			}
172			}
173
174			return $this;
175			}
176
177			/**
178			* @return array
179			*/
180			protected function getKeys(): array
181			{
182			return array_keys($this->fields);
183			}
184
185			/**
186			* {@inheritdoc}
187			*
188			* Every getter and accessor will be applied/constructed if filter argument set to true.
189			*
190			* @param bool $filter
191			*
192			* @throws \Spiral\Models\Exceptions\AccessException
193			*/
194			public function getFields(bool $filter = true): array
195			{
196			$result = [];
197			foreach ($this->fields as $name => $field) {
198			$result[$name] = $this->getField($name, null, $filter);
199			}
200
201			return $result;
202			}
203
204			/**
205			* @param mixed $offset
206			*
207			* @return bool
208			*/
209			public function __isset($offset)
210			{
211			return $this->hasField($offset);
212			}
213
214			/**
215			* @param mixed $offset
216			*
217			* @return mixed
218			*/
219			public function __get($offset)
220			{
221			return $this->getField($offset);
222			}
223
224			/**
225			* @param mixed $offset
226			* @param mixed $value
227			*/
228			public function __set($offset, $value)
229			{
230			$this->setField($offset, $value);
231			}
232
233			/**
234			* @param mixed $offset
235			*/
236			public function __unset($offset)
237			{
238			unset($this->fields[$offset]);
239			}
240
241			/**
242			* {@inheritdoc}
243			*/
244			public function offsetExists($offset)
245			{
246			return $this->__isset($offset);
247			}
248
249			/**
250			* {@inheritdoc}
251			*/
252			public function offsetGet($offset)
253			{
254			return $this->getField($offset);
255			}
256
257			/**
258			* {@inheritdoc}
259			*/
260			public function offsetSet($offset, $value)
261			{
262			$this->setField($offset, $value);
263			}
264
265			/**
266			* {@inheritdoc}
267			*/
268			public function offsetUnset($offset)
269			{
270			$this->__unset($offset);
271			}
272
273			/**
274			* {@inheritdoc}
275			*/
276			public function getIterator(): \Iterator
277			{
278			return new \ArrayIterator($this->getFields());
279			}
280
281			/**
282			* Pack entity fields data into plain array.
283			*
284			* @return array
285			*
286			* @throws \Spiral\Models\Exceptions\AccessException
287			*/
288			public function packFields(): array
289			{
290			$result = [];
291			foreach ($this->fields as $field => $value) {
292			if ($value instanceof AccessorInterface) {
293			$result[$field] = $value->packValue();
294			} else {
295			$result[$field] = $value;
296			}
297			}
298
299			return $result;
300			}
301
302			/**
303			* {@inheritdoc}
304			*
305			* Include every composition public data into result.
306			*/
307			public function publicValue(): array
308			{
309			$result = [];
310
311			foreach ($this->getKeys() as $field) {
312			if (!$this->isPublic($field)) {
313			//We might need to use isset in future, for performance, for science
314			continue;
315			}
316
317			$value = $this->getField($field);
318
319			if ($value instanceof PublishableInterface) {
320			$result[$field] = $value->publicValue();
321			} else {
322			$result[$field] = $value;
323			}
324			}
325
326			return $result;
327			}
328
329			/**
330			* Alias for packFields.
331			*
332			* @return array
333			*/
334			public function toArray(): array
335			{
336			return $this->packFields();
337			}
338
339			/**
340			* {@inheritdoc}
341			*
342			* By default use publicFields to be json serialized.
343			*/
344			public function jsonSerialize()
345			{
346			return $this->publicValue();
347			}
348
349			/**
350			* Destruct data entity.
351			*/
352			public function __destruct()
353			{
354			$this->flushFields();
355			}
356
357			/**
358			* Reset every field value.
359			*/
360			protected function flushFields()
361			{
362			$this->fields = [];
363			}
364
365			/**
366			* Indication that field in public and can be presented in published data.
367			*
368			* @param string $field
369			*
370			* @return bool
371			*/
372			abstract protected function isPublic(string $field): bool;
373
374			/**
375			* Check if field is fillable.
376			*
377			* @param string $field
378			*
379			* @return bool
380			*/
381			abstract protected function isFillable(string $field): bool;
382
383			/**
384			* Get mutator associated with given field.
385			*
386			* @param string $field
387			* @param string $type See MUTATOR_* constants
388			*
389			* @return mixed
390			*/
391			abstract protected function getMutator(string $field, string $type);
392
393			/**
394			* Nullable fields would not require automatic accessor creation.
395			*
396			* @param string $field
397			*
398			* @return bool
399			*/
400			protected function isNullable(string $field): bool
401			{
402			return false;
403			}
404
405			/**
406			* Create instance of field accessor.
407			*
408			* @param mixed\|string $accessor Might be entity implementation specific.
409			* @param string $name
410			* @param mixed $value
411			* @param array $context Custom accessor context.
412			*
413			* @return AccessorInterface\|null
414			*
415			* @throws AccessException
416			* @throws EntityException
417			*/
418			protected function createAccessor(
419			$accessor,
420			string $name,
421			$value,
422			array $context = []
423			): AccessorInterface {
424			if (!is_string($accessor) \|\| !class_exists($accessor)) {
425			throw new EntityException(
426			"Unable to create accessor for field {$name} in " . static::class
427			);
428			}
429
430			//Field as a context
431			return new $accessor($value, $context + ['field' => $name, 'entity' => $this]);
432			}
433
434			/**
435			* Get value thought associated mutator.
436			*
437			* @param string $name
438			* @param bool $filter
439			* @param mixed $value
440			*
441			* @return mixed
442			*/
443			private function getMutated(string $name, bool $filter, $value)
444			{
445			$getter = $this->getMutator($name, self::MUTATOR_GETTER);
446
447			if ($filter && !empty($getter)) {
448			try {
449			return call_user_func($getter, $value);
450			} catch (\Exception $e) {
451			//Trying to filter null value, every filter must support it
452			return call_user_func($getter, null);
453			}
454			}
455
456			return $value;
457			}
458
459			/**
460			* Set value thought associated mutator.
461			*
462			* @param string $name
463			* @param mixed $value
464			*/
465			private function setMutated(string $name, $value)
466			{
467			$setter = $this->getMutator($name, self::MUTATOR_SETTER);
468
469			if (!empty($setter)) {
470			try {
471			$this->fields[$name] = call_user_func($setter, $value);
472			} catch (\Exception $e) {
473			//Exceptional situation, we are choosing to keep original field value
474			}
475			} else {
476			$this->fields[$name] = $value;
477			}
478			}
479
480			/**
481			* Set value in/thought associated accessor.
482			*
483			* @param string $name
484			* @param string\|array $accessor Accessor definition (implementation specific).
485			* @param mixed $value
486			*/
487			private function setAccessed($accessor, string $name, $value)
488			{
489			if (array_key_exists($name, $this->fields)) {
490			$field = $this->fields[$name];
491			} else {
492			$field = null;
493			}
494
495			if (empty($field) \|\| !($field instanceof AccessorInterface)) {
496			//New field representation
497			$field = $this->createAccessor($accessor, $name, $value);
498
499			//Save accessor with other fields
500			$this->fields[$name] = $field;
501			}
502
503			//Letting accessor to set value
504			$field->setValue($value);
505			}
506			}

spiral / components

Branch — feature/pre-split (364e4e)

AbstractEntity::getKeys() A

Complexity

Size

Duplication

Importance

Duplication Side-by-Side

Filter issues like