EntityCollection::chunk() - Code Metrics - Inspection of "Adds deprecation on global loader handler, trigger..." - LinkValue/MajoraFrameworkExtraBundle - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 3214c9...a8a248 )

by Quentin

created 2017-01-31 14:42 UTC

EntityCollection::chunk() A

↳ Parent: EntityCollection

Complexity

Conditions	2
Paths	1

Size

Total Lines	6
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	6

Importance

Changes

Metric	Value
c	0
b	0
f	0
dl	0
loc	6
ccs	0
cts	3
cp	0
rs	9.4285
cc	2
eloc	3
nc	1
nop	1
crap	6

<?php

namespace Majora\Framework\Model;

use Doctrine\Common\Collections\ArrayCollection;
use Majora\Framework\Normalizer\MajoraNormalizer;
use Majora\Framework\Normalizer\Model\NormalizableInterface;
use Symfony\Component\PropertyAccess\PropertyAccess;
use Symfony\Component\PropertyAccess\PropertyAccessorInterface;

/**
 * Base class for entity aggregation collection.
 */
class EntityCollection extends ArrayCollection implements NormalizableInterface
{
    /**
     * @var PropertyAccessorInterface
     */
    private static $propertyAccessor;

    /**
     * Create and returns local property accessor.
     *
     * @return PropertyAccessorInterface
     */
    private function getPropertyAccessor()
    {
        return self::$propertyAccessor = self::$propertyAccessor
            ?: PropertyAccess::createPropertyAccessor()
        ;
    }

    /**
     * return collectionned entity class.
     *
     * @return string
     */
    public function getEntityClass()
    {
        throw new \BadMethodCallException(sprintf('%s() method has to be defined in %s class.',
            __FUNCTION__, static::class
        ));
    }

    /**
     * @see NormalizableInterface::getScopes()
     */
    public static function getScopes()
    {
        return array();
    }

    /**
     * @see NormalizableInterface::normalize()
     */
    public function normalize($scope = 'default')
    {
        return $this
            ->map(function (NormalizableInterface $entity) use ($scope) {
                return $entity->normalize($scope);
            })
            ->toArray()
        ;
    }

    /**
     * @see NormalizableInterface::denormalize()
     */
    public function denormalize(array $data)
    {
        $this->clear();

        foreach ($data as $key => $majoraEntityData) {
            $this->set($key, MajoraNormalizer::createNormalizer()
                ->denormalize($majoraEntityData, $this->getEntityClass())
            );
        }

        return $this;
    }

    /**
     * @see SerializableInterface::serialize()
     */
    public function serialize($scope = 'default', PropertyAccessorInterface $propertyAccessor = null)

    {
        @trigger_error(sprintf('The method %s() is deprecated and will be removed in 2.0. Use normalize() instead.', __METHOD__), E_USER_DEPRECATED);
// For example instead of
@mkdir($dir);

// Better use
if (@mkdir($dir) === false) {
    throw new \RuntimeException('The directory '.$dir.' could not be created.');
}

        return $this->normalize($scope);
    }

    /**
     * @see SerializableInterface::deserialize()
     */
    public function deserialize(array $data, PropertyAccessorInterface $propertyAccessor = null)

    {
        @trigger_error(sprintf('The method %s() is deprecated and will be removed in 2.0. Use denormalize() instead.', __METHOD__), E_USER_DEPRECATED);
// For example instead of
@mkdir($dir);

// Better use
if (@mkdir($dir) === false) {
    throw new \RuntimeException('The directory '.$dir.' could not be created.');
}

        return $this->denormalize($data);
    }

    /**
     * filter given collection on given fields.
     *
     * @param array $filters
     *
     * @return EntityCollection
     */
    public function search(array $filters)
    {
        return $this->filter(function (CollectionableInterface $entity) use ($filters) {
            $res = true;
            foreach ($filters as $key => $value) {
                $current = $this->getPropertyAccessor()->getValue($entity, $key);
                $res = $res && (is_array($value) ?
                    in_array($current, $value) :
                    $current == $value
                );
            }

            return $res;
        });
    }

    /**
     * extract the first $length elements from collection.
     *
     * @param int $length
     *
     * @return EntityCollection
     */
    public function chunk($length)
    {
        $chunkedData = array_chunk($this->toArray(), $length, true);

        return new static(empty($chunkedData) ? array() : $chunkedData[0]);
    }

    /**
     * @see ArrayCollection::slice()
     *
     * @return EntityCollection
     */
    public function cslice($offset, $length = null)
    {
        return new static($this->slice($offset, $length));
    }

    /**
     * Sort collection with given closure.
     *
     * @param \Closure $p
     *
     * @return EntityCollection
     */
    public function sort(\Closure $p)
    {
        $elements = $this->toArray();

        if (!uasort($elements, $p)) {
            throw new \InvalidArgumentException('Sort failed.');
        }

        return new static(array_values($elements));
    }

    /**
     * Reduce collection with given closure.
     *
     * @link http://php.net/manual/en/function.array-reduce.php
     *
     * @param \Closure $p
     * @param mixed    $initialValue
     *
     * @return mixed
     */
    public function reduce(\Closure $p, $initialValue = null)
    {
        return array_reduce($this->toArray(), $p, $initialValue);
    }

    /**
     * reads and returns value of given field into given element.
     *
     * @param CollectionableInterface $element
     * @param string                  $field
     *
     * @return mixed
     */
    private function getFieldValue(CollectionableInterface $element, $field)
    {
        return $this->getPropertyAccessor()->getValue($element, $field);
    }

    /**
     * index collection by given object field.
     *
     * @param string $field
     *
     * @return EntityCollection
     */
    public function indexBy($field)
    {
        $elements = $this->toArray();
        $this->clear();

        foreach ($elements as $element) {
            $this->set(
                $this->getFieldValue($element, $field),
                $element
            );
        }

        return $this;
    }

    /**
     * Return value of inner objects given property as an array.
     *
     * This is an object version of array_column() method.
     * @link http://php.net/manual/fr/function.array-column.php
     *
     * @param string $column
     *
     * @return array
     */
    public function column($column)
    {
        return $this
            ->map(function (CollectionableInterface $entity) use ($column) {
                return $this->getFieldValue($entity, $column);
            })
            ->toArray()
        ;
    }

    /**
     * Create a flattened view of collection as a key value array.
     *
     * @param string $indexColumn
     * @param string $valueColumn
     *
     * @return array
     */
    public function flatten($indexColumn, $valueColumn)
    {
        return $this->reduce(
            function ($carry, CollectionableInterface $entity) use ($indexColumn, $valueColumn) {
                $carry[$this->getFieldValue($entity, $indexColumn)] = $this->getFieldValue($entity, $valueColumn);

                return $carry;
            },
            array()
        );
    }

    /**
     * Returns a string representation of given column values.
     *
     * @param string $column
     * @param string $slug
     *
     * @return string
     */
    public function display($column, $slug = '", "', $format = '["%s"]')
    {
        return sprintf($format, implode($slug, $this

            ->column($column)
            ->toArray()
        ));
    }
}


1		<?php
2
3		namespace Majora\Framework\Model;
4
5		use Doctrine\Common\Collections\ArrayCollection;
6		use Majora\Framework\Normalizer\MajoraNormalizer;
7		use Majora\Framework\Normalizer\Model\NormalizableInterface;
8		use Symfony\Component\PropertyAccess\PropertyAccess;
9		use Symfony\Component\PropertyAccess\PropertyAccessorInterface;
10
11		/**
12		* Base class for entity aggregation collection.
13		*/
14		class EntityCollection extends ArrayCollection implements NormalizableInterface
15		{
16		/**
17		* @var PropertyAccessorInterface
18		*/
19		private static $propertyAccessor;
20
21		/**
22		* Create and returns local property accessor.
23		*
24		* @return PropertyAccessorInterface
25		*/
26		private function getPropertyAccessor()
27		{
28		return self::$propertyAccessor = self::$propertyAccessor
29		?: PropertyAccess::createPropertyAccessor()
30		;
31		}
32
33		/**
34		* return collectionned entity class.
35		*
36		* @return string
37		*/
38		public function getEntityClass()
39		{
40		throw new \BadMethodCallException(sprintf('%s() method has to be defined in %s class.',
41		__FUNCTION__, static::class
42		));
43		}
44
45		/**
46		* @see NormalizableInterface::getScopes()
47		*/
48		public static function getScopes()
49		{
50		return array();
51		}
52
53		/**
54		* @see NormalizableInterface::normalize()
55		*/
56	6	public function normalize($scope = 'default')
57		{
58	3	return $this
59		->map(function (NormalizableInterface $entity) use ($scope) {
60	6	return $entity->normalize($scope);
61	6	})
62	6	->toArray()
63	3	;
64		}
65
66		/**
67		* @see NormalizableInterface::denormalize()
68		*/
69		public function denormalize(array $data)
70		{
71		$this->clear();
72
73		foreach ($data as $key => $majoraEntityData) {
74		$this->set($key, MajoraNormalizer::createNormalizer()
75		->denormalize($majoraEntityData, $this->getEntityClass())
76		);
77		}
78
79		return $this;
80		}
81
82		/**
83		* @see SerializableInterface::serialize()
84		*/
85		public function serialize($scope = 'default', PropertyAccessorInterface $propertyAccessor = null)
		0 ignored issues – show Unused Code introduced 2016-04-22 09:22 UTC by Report Bug Copy Issue Report The parameter `$propertyAccessor` is not used and could be removed. This check looks from parameters that have been defined for a function or method, but which are not used in the method body. Loading history...
86		{
87		@trigger_error(sprintf('The method %s() is deprecated and will be removed in 2.0. Use normalize() instead.', __METHOD__), E_USER_DEPRECATED);
		0 ignored issues – show Security Best Practice introduced 2016-04-22 09:22 UTC by Report Bug Copy Issue Report It seems like you do not handle an error condition here. This can introduce security issues, and is generally not recommended. If you suppress an error, we recommend checking for the error condition explicitly: // For example instead of @mkdir($dir); // Better use if (@mkdir($dir) === false) { throw new \RuntimeException('The directory '.$dir.' could not be created.'); } Loading history...
88
89		return $this->normalize($scope);
90		}
91
92		/**
93		* @see SerializableInterface::deserialize()
94		*/
95		public function deserialize(array $data, PropertyAccessorInterface $propertyAccessor = null)
		0 ignored issues – show Unused Code introduced 2016-04-22 09:22 UTC by Report Bug Copy Issue Report The parameter `$propertyAccessor` is not used and could be removed. This check looks from parameters that have been defined for a function or method, but which are not used in the method body. Loading history...
96		{
97		@trigger_error(sprintf('The method %s() is deprecated and will be removed in 2.0. Use denormalize() instead.', __METHOD__), E_USER_DEPRECATED);
		0 ignored issues – show Security Best Practice introduced 2016-04-22 09:22 UTC by Report Bug Copy Issue Report It seems like you do not handle an error condition here. This can introduce security issues, and is generally not recommended. If you suppress an error, we recommend checking for the error condition explicitly: // For example instead of @mkdir($dir); // Better use if (@mkdir($dir) === false) { throw new \RuntimeException('The directory '.$dir.' could not be created.'); } Loading history...
98
99		return $this->denormalize($data);
100		}
101
102		/**
103		* filter given collection on given fields.
104		*
105		* @param array $filters
106		*
107		* @return EntityCollection
108		*/
109		public function search(array $filters)
110		{
111		return $this->filter(function (CollectionableInterface $entity) use ($filters) {
112		$res = true;
113		foreach ($filters as $key => $value) {
114		$current = $this->getPropertyAccessor()->getValue($entity, $key);
115		$res = $res && (is_array($value) ?
116		in_array($current, $value) :
117		$current == $value
118		);
119		}
120
121		return $res;
122		});
123		}
124
125		/**
126		* extract the first $length elements from collection.
127		*
128		* @param int $length
129		*
130		* @return EntityCollection
131		*/
132		public function chunk($length)
133		{
134		$chunkedData = array_chunk($this->toArray(), $length, true);
135
136		return new static(empty($chunkedData) ? array() : $chunkedData[0]);
137		}
138
139		/**
140		* @see ArrayCollection::slice()
141		*
142		* @return EntityCollection
143		*/
144		public function cslice($offset, $length = null)
145		{
146		return new static($this->slice($offset, $length));
147		}
148
149		/**
150		* Sort collection with given closure.
151		*
152		* @param \Closure $p
153		*
154		* @return EntityCollection
155		*/
156		public function sort(\Closure $p)
157		{
158		$elements = $this->toArray();
159
160		if (!uasort($elements, $p)) {
161		throw new \InvalidArgumentException('Sort failed.');
162		}
163
164		return new static(array_values($elements));
165		}
166
167		/**
168		* Reduce collection with given closure.
169		*
170		* @link http://php.net/manual/en/function.array-reduce.php
171		*
172		* @param \Closure $p
173		* @param mixed $initialValue
174		*
175		* @return mixed
176		*/
177		public function reduce(\Closure $p, $initialValue = null)
178		{
179		return array_reduce($this->toArray(), $p, $initialValue);
180		}
181
182		/**
183		* reads and returns value of given field into given element.
184		*
185		* @param CollectionableInterface $element
186		* @param string $field
187		*
188		* @return mixed
189		*/
190		private function getFieldValue(CollectionableInterface $element, $field)
191		{
192		return $this->getPropertyAccessor()->getValue($element, $field);
193		}
194
195		/**
196		* index collection by given object field.
197		*
198		* @param string $field
199		*
200		* @return EntityCollection
201		*/
202		public function indexBy($field)
203		{
204		$elements = $this->toArray();
205		$this->clear();
206
207		foreach ($elements as $element) {
208		$this->set(
209		$this->getFieldValue($element, $field),
210		$element
211		);
212		}
213
214		return $this;
215		}
216
217		/**
218		* Return value of inner objects given property as an array.
219		*
220		* This is an object version of array_column() method.
221		* @link http://php.net/manual/fr/function.array-column.php
222		*
223		* @param string $column
224		*
225		* @return array
226		*/
227		public function column($column)
228		{
229		return $this
230		->map(function (CollectionableInterface $entity) use ($column) {
231		return $this->getFieldValue($entity, $column);
232		})
233		->toArray()
234		;
235		}
236
237		/**
238		* Create a flattened view of collection as a key value array.
239		*
240		* @param string $indexColumn
241		* @param string $valueColumn
242		*
243		* @return array
244		*/
245		public function flatten($indexColumn, $valueColumn)
246		{
247		return $this->reduce(
248		function ($carry, CollectionableInterface $entity) use ($indexColumn, $valueColumn) {
249		$carry[$this->getFieldValue($entity, $indexColumn)] = $this->getFieldValue($entity, $valueColumn);
250
251		return $carry;
252		},
253		array()
254		);
255		}
256
257		/**
258		* Returns a string representation of given column values.
259		*
260		* @param string $column
261		* @param string $slug
262		*
263		* @return string
264		*/
265		public function display($column, $slug = '", "', $format = '["%s"]')
266		{
267		return sprintf($format, implode($slug, $this
		0 ignored issues – show Bug introduced 2017-01-31 14:53 UTC by Report Bug Copy Issue Report The method `toArray` cannot be called on `$this->column($column)` (of type `array`). Methods can only be called on objects. This check looks for methods being called on variables that have been inferred to never be objects. Loading history...
268		->column($column)
269		->toArray()
270		));
271		}
272		}
273

LinkValue / MajoraFrameworkExtraBundle

Push — master ( 3214c9...a8a248 )

EntityCollection::chunk() A

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