Collection::chunk() - Code Metrics - Inspection of "add redis worker" - suricate-php/framework - Measure and Improve Code Quality continuously with Scrutinizer

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Push — develop ( 91ba7c...358cc2 )

by Mathieu

created 2019-06-30 14:46 UTC

Collection::chunk() A

↳ Parent: Collection

Complexity

Conditions	2
Paths	2

Size

Total Lines	7
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	6

Importance

Changes

Metric	Value
cc	2
eloc	4
nc	2
nop	2
dl	0
loc	7
ccs	0
cts	5
cp	0
crap	6
rs	10
c	0
b	0
f	0

<?php declare(strict_types=1);
namespace Suricate;

class Collection implements
    \Iterator,
    \Countable,
    \ArrayAccess,
    Interfaces\ICollection
{
    protected $iteratorPosition = 0;

    protected $items = [];
    public $pagination = [
        'nbPages' => 0,
        'page' => 1,
        'nbItems' => 0
    ];

    public function __construct($items = [])
    {
        $this->items = $items;
    }

    public function paginate($nbItemPerPage, $currentPage = 1)
    {
        $this->pagination['page'] = $currentPage;
        $this->pagination['nbItems'] = count($this->items);
        $this->pagination['nbPages'] = ceil(
            $this->pagination['nbItems'] / $nbItemPerPage
        );

        $this->items = array_slice(
            $this->items,
            ($currentPage - 1) * $nbItemPerPage,
            $nbItemPerPage
        );

        return $this;
    }

    public function getPossibleValuesFor($args, $key = null)
    {
        if (!is_array($args)) {
            $args = [
                'format' => '%s',
                'data' => [$args]
            ];
        }

        $values = [];
        foreach ($this->items as $item) {
            $itemValues = [];
            foreach ($args['data'] as $arg) {
                $itemValues[] = dataGet($item, $arg);
            }

            $arrayKey = $key !== null ? dataGet($item, $key) : null;
            if (is_null($arrayKey)) {
                $values[] = vsprintf($args['format'], $itemValues);
            } else {
                $values[$arrayKey] = vsprintf($args['format'], $itemValues);
            }
        }

        return $values;
    }

    public function getValuesFor($name)
    {
        $values = [];
        foreach ($this->items as $item) {
            $values[] = dataGet($item, $name);
        }

        return $values;
    }

    public function getItems()
    {
        return $this->items;
    }

    /*

    

    public function getItemFromKey($key)
    {
        $invertedMapping = array_flip($this->mapping);
        if (isset($invertedMapping[$key])) {
            return $this->items[$invertedMapping[$key]];
        }
    }
*/
    /**
     * Implementation of countable interface
     *
     * @return int
     */
    public function count(): int
    {
        return count($this->items);
    }

    public function key()
    {
        return $this->iteratorPosition;
    }

    public function next()
    {
        ++$this->iteratorPosition;
    }
    public function current()
    {
        return $this->offsetGet($this->iteratorPosition);
    }
    public function rewind()
    {
        $this->iteratorPosition = 0;
    }
    public function valid()
    {
        return isset($this->items[$this->iteratorPosition]);
    }
    /**
     * Implementation of ArrayAccess interface
     *
     * @param  mixed $offset Offset to verify
     * @return bool
     */
    public function offsetExists($offset): bool
    {
        return \array_key_exists($offset, $this->items);
    }

    /**
     * Implementation of ArrayAccess Interface
     *
     * @param  mixed $offset Offset to get
     * @return mixed
     */
    public function offsetGet($offset)
    {
        if (array_key_exists($offset, $this->items)) {
            return $this->items[$offset];
        }
        return null;
    }

    /**
     * Implementation of ArrayAccess Interface
     *
     * @param mixed $offset Offset to set
     * @param mixed $value  Value to set
     */
    public function offsetSet($offset, $value)
    {
        if (is_null($offset)) {
            $this->items[] = $value;
        } else {
            $this->items[$offset] = $value;
        }
    }

    /**
     * Implementation of ArrayAccess Interface
     *
     * @param mixed $offset Offset to unset
     */
    public function offsetUnset($offset)
    {
        unset($this->items[$offset]);
    }

    // Helpers

    /**
     * Get first item of the collection
     *
     * @return mixed
     */
    public function first()
    {
        foreach ($this->items as $currentItem) {
            return $currentItem;
        }
    }

    /**
     * Get last item of the collection
     *
     * @return mixed
     */
    public function last()
    {
        if (count($this->items)) {
            return end($this->items);
        }

        return null;
    }

    /**
     * Check if collection is empty
     *
     * @return bool
     */
    public function isEmpty(): bool
    {
        return empty($this->items);
    }

    /**
     * Return the sum of the collection
     *
     * @param mixed $field Field to use for sum
     * @return double|integer
     */
    public function sum($field = null)
    {
        if ($field === null) {
            return array_sum($this->items);
        }
        $result = 0;
        foreach ($this->items as $item) {
            $result += dataGet($item, $field);
        }
        return $result;
    }

    public function random($nbItems = 1)
    {
        if ($this->isEmpty()) {
            return null;
        }

        $keys = array_rand($this->items, $nbItems);

        if (is_array($keys)) {
            return array_intersect_key($this->items, array_flip($keys));
        }

        return $this->items[$keys];
    }

    public function shuffle()
    {
        shuffle($this->items);

        return $this;
    }

    public function unique()
    {
        return new static(array_unique($this->items));
    }

    /**
     * Apply a closure to each element of the collection
     *
     * @param \Closure $callback Closure to apply
     * @return Collection
     */
    public function each(\Closure $callback): Collection
    {
        array_map($callback, $this->items);
        return $this;
    }

    /**
     * Sort a collection using a closure
     *
     * @param \Closure $closure Closure to apply for sorting, similar to uasort() closure
     * @return Collection
     */
    public function sort(\Closure $closure): Collection
    {
        uasort($this->items, $closure);

        return $this;
    }

    public function sortBy($field, $reverse = false)
    {
        if ($reverse) {
            $sortFunction = function ($a, $b) use ($field) {
                $first = dataGet($a, $field);
                $second = dataGet($b, $field);
                if ($first == $second) {
                    return 0;
                }
                return $first > $second ? -1 : 1;
            };
        } else {
            $sortFunction = function ($a, $b) use ($field) {
                $first = dataGet($a, $field);
                $second = dataGet($b, $field);
                if ($first == $second) {
                    return 0;
                }
                return $first < $second ? -1 : 1;
            };
        }

        usort($this->items, $sortFunction);

        return $this;
    }

    public function filter(\Closure $closure)
    {
        return new static(array_filter($this->items, $closure));
    }

    public function search($value, $strict = false)
    {
        return array_search($value, $this->items, $strict);
    }

    public function has($key)
    {
        return $this->offsetExists($key);
    }

    public function keys()
    {
        return array_keys($this->items);
    }

    public function prepend($item)
    {
        array_unshift($this->items, $item);

        return $this;
    }

    public function push($item)
    {
        $this->items[] = $item;

        return $this;
    }

    public function put($key, $val)
    {
        $this->items[$key] = $val;

        return $this;
    }
    public function shift()
    {
        return array_shift($this->items);
    }

    public function pop()
    {
        return array_pop($this->items);
    }

    public function reverse()
    {
        return new static(array_reverse($this->items));
    }

    public function reduce(callable $callback, $initial = null)
    {
        return array_reduce($this->items, $callback, $initial);
    }

    public function slice($offset, $length = null, $preserveKeys = false)
    {
        return new static(
            array_slice($this->items, $offset, $length, $preserveKeys)
        );
    }

    public function take($limit = null)
    {
        if ($limit < 0) {
            return $this->slice(abs($limit), $limit);
        }

        return $this->slice(0, $limit);
    }

    public function splice($offset, $length = null, $replacement = [])
    {
        return new static(
            array_splice($this->items, $offset, $length, $replacement)
        );
    }

    public function chunk($size, $preserveKeys = false)
    {
        $result = new static();
        foreach (array_chunk($this->items, $size, $preserveKeys) as $chunk) {
            $result->push(new static($chunk));
        }
        return $result;
    }
}


1		<?php declare(strict_types=1);
2		namespace Suricate;
3
4		class Collection implements
5		\Iterator,
6		\Countable,
7		\ArrayAccess,
8		Interfaces\ICollection
9		{
10		protected $iteratorPosition = 0;
11
12		protected $items = [];
13		public $pagination = [
14		'nbPages' => 0,
15		'page' => 1,
16		'nbItems' => 0
17		];
18
19	36	public function __construct($items = [])
20		{
21	36	$this->items = $items;
22	36	}
23
24	1	public function paginate($nbItemPerPage, $currentPage = 1)
25		{
26	1	$this->pagination['page'] = $currentPage;
27	1	$this->pagination['nbItems'] = count($this->items);
28	1	$this->pagination['nbPages'] = ceil(
29	1	$this->pagination['nbItems'] / $nbItemPerPage
30		);
31
32	1	$this->items = array_slice(
33	1	$this->items,
34	1	($currentPage - 1) * $nbItemPerPage,
35	1	$nbItemPerPage
36		);
37
38	1	return $this;
39		}
40
41	1	public function getPossibleValuesFor($args, $key = null)
42		{
43	1	if (!is_array($args)) {
44		$args = [
45	1	'format' => '%s',
46	1	'data' => [$args]
47		];
48		}
49
50	1	$values = [];
51	1	foreach ($this->items as $item) {
52	1	$itemValues = [];
53	1	foreach ($args['data'] as $arg) {
54	1	$itemValues[] = dataGet($item, $arg);
55		}
56
57	1	$arrayKey = $key !== null ? dataGet($item, $key) : null;
58	1	if (is_null($arrayKey)) {
59	1	$values[] = vsprintf($args['format'], $itemValues);
60		} else {
61	1	$values[$arrayKey] = vsprintf($args['format'], $itemValues);
62		}
63		}
64
65	1	return $values;
66		}
67
68	1	public function getValuesFor($name)
69		{
70	1	$values = [];
71	1	foreach ($this->items as $item) {
72	1	$values[] = dataGet($item, $name);
73		}
74
75	1	return $values;
76		}
77
78	14	public function getItems()
79		{
80	14	return $this->items;
81		}
82
83		/*
84
85
86
87		public function getItemFromKey($key)
88		{
89		$invertedMapping = array_flip($this->mapping);
90		if (isset($invertedMapping[$key])) {
91		return $this->items[$invertedMapping[$key]];
92		}
93		}
94		*/
95		/**
96		* Implementation of countable interface
97		*
98		* @return int
99		*/
100	4	public function count(): int
101		{
102	4	return count($this->items);
103		}
104
105		public function key()
106		{
107		return $this->iteratorPosition;
108		}
109
110		public function next()
111		{
112		++$this->iteratorPosition;
113		}
114		public function current()
115		{
116		return $this->offsetGet($this->iteratorPosition);
117		}
118		public function rewind()
119		{
120		$this->iteratorPosition = 0;
121		}
122		public function valid()
123		{
124		return isset($this->items[$this->iteratorPosition]);
125		}
126		/**
127		* Implementation of ArrayAccess interface
128		*
129		* @param mixed $offset Offset to verify
130		* @return bool
131		*/
132	2	public function offsetExists($offset): bool
133		{
134	2	return \array_key_exists($offset, $this->items);
135		}
136
137		/**
138		* Implementation of ArrayAccess Interface
139		*
140		* @param mixed $offset Offset to get
141		* @return mixed
142		*/
143	3	public function offsetGet($offset)
144		{
145	3	if (array_key_exists($offset, $this->items)) {
146	3	return $this->items[$offset];
147		}
148	1	return null;
149		}
150
151		/**
152		* Implementation of ArrayAccess Interface
153		*
154		* @param mixed $offset Offset to set
155		* @param mixed $value Value to set
156		*/
157	1	public function offsetSet($offset, $value)
158		{
159	1	if (is_null($offset)) {
160	1	$this->items[] = $value;
161		} else {
162	1	$this->items[$offset] = $value;
163		}
164	1	}
165
166		/**
167		* Implementation of ArrayAccess Interface
168		*
169		* @param mixed $offset Offset to unset
170		*/
171	1	public function offsetUnset($offset)
172		{
173	1	unset($this->items[$offset]);
174	1	}
175
176		// Helpers
177
178		/**
179		* Get first item of the collection
180		*
181		* @return mixed
182		*/
183	1	public function first()
184		{
185	1	foreach ($this->items as $currentItem) {
186	1	return $currentItem;
187		}
188	1	}
189
190		/**
191		* Get last item of the collection
192		*
193		* @return mixed
194		*/
195	1	public function last()
196		{
197	1	if (count($this->items)) {
198	1	return end($this->items);
199		}
200
201	1	return null;
202		}
203
204		/**
205		* Check if collection is empty
206		*
207		* @return bool
208		*/
209	1	public function isEmpty(): bool
210		{
211	1	return empty($this->items);
212		}
213
214		/**
215		* Return the sum of the collection
216		*
217		* @param mixed $field Field to use for sum
218		* @return double\|integer
219		*/
220	1	public function sum($field = null)
221		{
222	1	if ($field === null) {
223	1	return array_sum($this->items);
224		}
225	1	$result = 0;
226	1	foreach ($this->items as $item) {
227	1	$result += dataGet($item, $field);
228		}
229	1	return $result;
230		}
231
232		public function random($nbItems = 1)
233		{
234		if ($this->isEmpty()) {
235		return null;
236		}
237
238		$keys = array_rand($this->items, $nbItems);
239
240		if (is_array($keys)) {
241		return array_intersect_key($this->items, array_flip($keys));
242		}
243
244		return $this->items[$keys];
245		}
246
247		public function shuffle()
248		{
249		shuffle($this->items);
250
251		return $this;
252		}
253
254	1	public function unique()
255		{
256	1	return new static(array_unique($this->items));
257		}
258
259		/**
260		* Apply a closure to each element of the collection
261		*
262		* @param \Closure $callback Closure to apply
263		* @return Collection
264		*/
265		public function each(\Closure $callback): Collection
266		{
267		array_map($callback, $this->items);
268		return $this;
269		}
270
271		/**
272		* Sort a collection using a closure
273		*
274		* @param \Closure $closure Closure to apply for sorting, similar to uasort() closure
275		* @return Collection
276		*/
277		public function sort(\Closure $closure): Collection
278		{
279		uasort($this->items, $closure);
280
281		return $this;
282		}
283
284		public function sortBy($field, $reverse = false)
285		{
286		if ($reverse) {
287		$sortFunction = function ($a, $b) use ($field) {
288		$first = dataGet($a, $field);
289		$second = dataGet($b, $field);
290		if ($first == $second) {
291		return 0;
292		}
293		return $first > $second ? -1 : 1;
294		};
295		} else {
296		$sortFunction = function ($a, $b) use ($field) {
297		$first = dataGet($a, $field);
298		$second = dataGet($b, $field);
299		if ($first == $second) {
300		return 0;
301		}
302		return $first < $second ? -1 : 1;
303		};
304		}
305
306		usort($this->items, $sortFunction);
307
308		return $this;
309		}
310
311	1	public function filter(\Closure $closure)
312		{
313	1	return new static(array_filter($this->items, $closure));
314		}
315
316	1	public function search($value, $strict = false)
317		{
318	1	return array_search($value, $this->items, $strict);
319		}
320
321	1	public function has($key)
322		{
323	1	return $this->offsetExists($key);
324		}
325
326	1	public function keys()
327		{
328	1	return array_keys($this->items);
329		}
330
331	1	public function prepend($item)
332		{
333	1	array_unshift($this->items, $item);
334
335	1	return $this;
336		}
337
338	1	public function push($item)
339		{
340	1	$this->items[] = $item;
341
342	1	return $this;
343		}
344
345	1	public function put($key, $val)
346		{
347	1	$this->items[$key] = $val;
348
349	1	return $this;
350		}
351	1	public function shift()
352		{
353	1	return array_shift($this->items);
354		}
355
356	1	public function pop()
357		{
358	1	return array_pop($this->items);
359		}
360
361	1	public function reverse()
362		{
363	1	return new static(array_reverse($this->items));
364		}
365
366	1	public function reduce(callable $callback, $initial = null)
367		{
368	1	return array_reduce($this->items, $callback, $initial);
369		}
370
371	2	public function slice($offset, $length = null, $preserveKeys = false)
372		{
373	2	return new static(
374	2	array_slice($this->items, $offset, $length, $preserveKeys)
375		);
376		}
377
378	1	public function take($limit = null)
379		{
380	1	if ($limit < 0) {
381		return $this->slice(abs($limit), $limit);
382		}
383
384	1	return $this->slice(0, $limit);
385		}
386
387		public function splice($offset, $length = null, $replacement = [])
388		{
389		return new static(
390		array_splice($this->items, $offset, $length, $replacement)
391		);
392		}
393
394		public function chunk($size, $preserveKeys = false)
395		{
396		$result = new static();
397		foreach (array_chunk($this->items, $size, $preserveKeys) as $chunk) {
398		$result->push(new static($chunk));
399		}
400		return $result;
401		}
402		}
403

suricate-php / framework

Push — develop ( 91ba7c...358cc2 )

Collection::chunk() A

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