Collection::__construct() - Code Metrics - Inspection of "merge SimpleArrayCollection to Collection" - apicart/php-utils - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( e65a8a...7854bb )

by Tomáš

created 2019-04-16 18:34 UTC

Collection::__construct() A

↳ Parent: Collection

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes

Metric	Value
cc	1
eloc	1
nc	1
nop	1
dl	0
loc	3
rs	10
c	0
b	0
f	0
ccs	2
cts	2
cp	1
crap	1

<?php declare(strict_types = 1);

namespace Apicart\Utils\Arrays;

use ArrayAccess;
use Countable;
use Iterator;
use IteratorAggregate;
use RecursiveArrayIterator;

final class Collection implements ArrayAccess, Countable, IteratorAggregate
{

	/**
	 * @var callable
	 */
	private $callable;

	/**
	 * @var array
	 */
	private $loadedData = null;


	public function __construct(callable $dataProvider)
	{
		$this->callable = $dataProvider;
	}


	public function createFrom(callable $dataProvider): self
	{
		return new static($dataProvider);
	}


	/**
	 * @return mixed|null
	 */
	public function column(int $index = 0)
	{
		$firstRow = $this->first();
		if (is_array($firstRow) === true) {
			$values = array_values($firstRow);

			return $values[$index] ?? null;
		}

		return null;
	}


	/**
	 * @return mixed|bool
	 */
	public function first()
	{
		$this->initialize();

		return reset($this->loadedData);
	}


	/**
	 * @return mixed|bool
	 */
	public function last()
	{
		$this->initialize();

		return end($this->loadedData);
	}


	/**
	 * @return int|string|null
	 */
	public function key()
	{
		$this->initialize();

		return key($this->loadedData);
	}


	/**
	 * @return mixed|bool
	 */
	public function next()
	{
		$this->initialize();

		return next($this->loadedData);
	}


	/**
	 * @return mixed|bool
	 */
	public function current()
	{
		$this->initialize();

		return current($this->loadedData);
	}


	/**
	 * @param int|string $key
	 * @return mixed|null
	 */
	public function remove($key)
	{
		$this->initialize();

		if (! isset($this->loadedData[$key]) && ! $this->contains($key)) {
			return null;
		}

		$removed = $this->loadedData[$key];
		unset($this->loadedData[$key]);

		return $removed;
	}


	/**
	 * @param mixed $element
	 * @return bool|int|string
	 */
	public function indexOf($element)
	{
		return array_search($element, $this->toArray(), true);
	}


	/**
	 * @param int|string $key
	 * @return mixed|null
	 */
	public function get($key)
	{
		$this->initialize();

		return $this->loadedData[$key] ?? null;
	}


	public function getKeys(): array
	{
		$this->initialize();

		return array_keys($this->loadedData);
	}


	public function getValues(): array
	{
		$this->initialize();

		return array_values($this->loadedData);
	}


	/**
	 * @param int|string $key
	 * @param mixed $value
	 */
	public function set($key, $value): void
	{
		$this->initialize();

		$this->loadedData[$key] = $value;
	}


	/**
	 * @param mixed $element
	 */
	public function add($element): bool
	{
		$this->initialize();

		$this->loadedData[] = $element;

		return true;
	}


	public function isEmpty(): bool
	{
		return $this->toArray() === [];
	}


	public function clear(): void
	{
		$this->initialize();

		$this->loadedData = [];
	}


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


	/**
	 * @param mixed $offset
	 */
	public function offsetExists($offset): bool
	{
		return $this->contains($offset);
	}


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


	/**
	 * @param mixed $offset
	 * @param mixed $value
	 */
	public function offsetSet($offset, $value): void
	{
		$this->set($offset, $value);
	}


	/**
	 * @param mixed $offset
	 */
	public function offsetUnset($offset): void
	{
		$this->remove($offset);
	}


	/**
	 * {@inheritdoc}
	 */
	public function count(): int
	{
		return count($this->toArray());
	}


	public function toArray(): array
	{
		$this->initialize();

		return $this->loadedData;
	}


	private function initialize(): void
	{
		if ($this->loadedData === null) {
			$data = call_user_func($this->callable);
			$this->loadedData = is_array($data) ? $data : [$data];
		}
	}


	/**
	 * @param int|string $key
	 */
	private function contains($key): bool
	{
		$this->initialize();

		return isset($this->loadedData[$key]) || array_key_exists($key, $this->loadedData);
	}

}


1		<?php declare(strict_types = 1);
2
3		namespace Apicart\Utils\Arrays;
4
5		use ArrayAccess;
6		use Countable;
7		use Iterator;
8		use IteratorAggregate;
9		use RecursiveArrayIterator;
10
11		final class Collection implements ArrayAccess, Countable, IteratorAggregate
12		{
13
14		/**
15		* @var callable
16		*/
17		private $callable;
18
19		/**
20		* @var array
21		*/
22		private $loadedData = null;
23
24
25	11	public function __construct(callable $dataProvider)
26		{
27	11	$this->callable = $dataProvider;
28	11	}
29
30
31		public function createFrom(callable $dataProvider): self
32		{
33		return new static($dataProvider);
34		}
35
36
37		/**
38		* @return mixed\|null
39		*/
40	1	public function column(int $index = 0)
41		{
42	1	$firstRow = $this->first();
43	1	if (is_array($firstRow) === true) {
44		$values = array_values($firstRow);
45
46		return $values[$index] ?? null;
47		}
48
49	1	return null;
50		}
51
52
53		/**
54		* @return mixed\|bool
55		*/
56	2	public function first()
57		{
58	2	$this->initialize();
59
60	2	return reset($this->loadedData);
61		}
62
63
64		/**
65		* @return mixed\|bool
66		*/
67	1	public function last()
68		{
69	1	$this->initialize();
70
71	1	return end($this->loadedData);
72		}
73
74
75		/**
76		* @return int\|string\|null
77		*/
78		public function key()
79		{
80		$this->initialize();
81
82		return key($this->loadedData);
83		}
84
85
86		/**
87		* @return mixed\|bool
88		*/
89		public function next()
90		{
91		$this->initialize();
92
93		return next($this->loadedData);
94		}
95
96
97		/**
98		* @return mixed\|bool
99		*/
100		public function current()
101		{
102		$this->initialize();
103
104		return current($this->loadedData);
105		}
106
107
108		/**
109		* @param int\|string $key
110		* @return mixed\|null
111		*/
112	1	public function remove($key)
113		{
114	1	$this->initialize();
115
116	1	if (! isset($this->loadedData[$key]) && ! $this->contains($key)) {
117		return null;
118		}
119
120	1	$removed = $this->loadedData[$key];
121	1	unset($this->loadedData[$key]);
122
123	1	return $removed;
124		}
125
126
127		/**
128		* @param mixed $element
129		* @return bool\|int\|string
130		*/
131		public function indexOf($element)
132		{
133		return array_search($element, $this->toArray(), true);
134		}
135
136
137		/**
138		* @param int\|string $key
139		* @return mixed\|null
140		*/
141	2	public function get($key)
142		{
143	2	$this->initialize();
144
145	2	return $this->loadedData[$key] ?? null;
146		}
147
148
149		public function getKeys(): array
150		{
151		$this->initialize();
152
153		return array_keys($this->loadedData);
154		}
155
156
157		public function getValues(): array
158		{
159		$this->initialize();
160
161		return array_values($this->loadedData);
162		}
163
164
165		/**
166		* @param int\|string $key
167		* @param mixed $value
168		*/
169	1	public function set($key, $value): void
170		{
171	1	$this->initialize();
172
173	1	$this->loadedData[$key] = $value;
174	1	}
175
176
177		/**
178		* @param mixed $element
179		*/
180		public function add($element): bool
181		{
182		$this->initialize();
183
184		$this->loadedData[] = $element;
185
186		return true;
187		}
188
189
190		public function isEmpty(): bool
191		{
192		return $this->toArray() === [];
193		}
194
195
196		public function clear(): void
197		{
198		$this->initialize();
199
200		$this->loadedData = [];
201		}
202
203
204		/**
205		* {@inheritdoc}
206		*/
207	1	public function getIterator(): Iterator
208		{
209	1	return new RecursiveArrayIterator($this->toArray());
210		}
211
212
213		/**
214		* @param mixed $offset
215		*/
216	2	public function offsetExists($offset): bool
217		{
218	2	return $this->contains($offset);
219		}
220
221
222		/**
223		* @param mixed $offset
224		* @return mixed
225		*/
226	2	public function offsetGet($offset)
227		{
228	2	return $this->get($offset);
229		}
230
231
232		/**
233		* @param mixed $offset
234		* @param mixed $value
235		*/
236	1	public function offsetSet($offset, $value): void
237		{
238	1	$this->set($offset, $value);
239	1	}
240
241
242		/**
243		* @param mixed $offset
244		*/
245	1	public function offsetUnset($offset): void
246		{
247	1	$this->remove($offset);
248	1	}
249
250
251		/**
252		* {@inheritdoc}
253		*/
254	1	public function count(): int
255		{
256	1	return count($this->toArray());
257		}
258
259
260	4	public function toArray(): array
261		{
262	4	$this->initialize();
263
264	4	return $this->loadedData;
265		}
266
267
268	11	private function initialize(): void
269		{
270	11	if ($this->loadedData === null) {
271	11	$data = call_user_func($this->callable);
272	11	$this->loadedData = is_array($data) ? $data : [$data];
273		}
274	11	}
275
276
277		/**
278		* @param int\|string $key
279		*/
280	2	private function contains($key): bool
281		{
282	2	$this->initialize();
283
284	2	return isset($this->loadedData[$key]) \|\| array_key_exists($key, $this->loadedData);
285		}
286
287		}
288

apicart / php-utils

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Collection::__construct() A

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