QueryBuilder::getShuffledResults() - Code Metrics - Inspection of "removed a static method on QueryBuilder" - mauretto78/array-query - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 311db3...e94cf7 )

by Mauro

created 2018-01-08 15:23 UTC

QueryBuilder::getShuffledResults() A

↳ Parent: QueryBuilder

Complexity

Conditions	2
Paths	2

Size

Total Lines	11
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	11
rs	9.4285
c	0
b	0
f	0
cc	2
eloc	6
nc	2
nop	0

<?php
/**
 * This file is part of the ArrayQuery package.
 *
 * (c) Mauro Cassani<https://github.com/mauretto78>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace ArrayQuery;

use ArrayQuery\Exceptions\EmptyArrayException;
use ArrayQuery\Exceptions\InvalidArrayException;
filter:
    dependency_paths: ["lib/*"]
use ArrayQuery\Exceptions\NotConsistentDataException;
use ArrayQuery\Exceptions\NotValidCriterionOperatorException;
use ArrayQuery\Exceptions\NotValidKeyElementInArrayException;
use ArrayQuery\Exceptions\NotValidLimitsOfArrayException;
use ArrayQuery\Exceptions\NotValidSortingOperatorException;
use ArrayQuery\Filters\CriterionFilter;
use ArrayQuery\Filters\JoinFilter;
use ArrayQuery\Filters\SortingFilter;
use ArrayQuery\Filters\LimitFilter;
use ArrayQuery\Helpers\ArrayConverter;
use ArrayQuery\Helpers\ConsistencyChecker;

class QueryBuilder
{
    /**
     * @var array
     */
    private $criteria;

    /**
     * @var array
     */
    private $sortedBy;

    /**
     * @var array
     */
    private $limit;

    /**
     * @var array
     */
    private $join;

    /**
     * @var array
     */
    private $array;

    /**
     * QueryBuilder constructor.
     * @param array $array
     */
    public function __construct(array $array)
    {
        $this->setArray($array);
    }

    /**
     * @param array $array
     * @return static
     */
    public static function create(array $array)
    {
        return new static($array);
    }

    /**
     * @param array $array
     * @throws EmptyArrayException
     * @throws NotConsistentDataException
     */
    private function setArray(array $array)
    {
        if (empty($array)) {
            throw new EmptyArrayException('Empty array provided.');
        }

        if (false === ConsistencyChecker::isValid($array)) {
            throw new NotConsistentDataException('Array provided has no consistent data.');
        }

        $this->array = $array;
    }

    /**
     * @param $key
     * @param $value
     * @param string $operator
     * @param null $dateFormat

     * @return $this
     * @throws NotValidCriterionOperatorException
     */
    public function addCriterion($key, $value, $operator = '=', $dateFormat = null)
    {
        if (!$this->isAValidCriterionOperator($operator)) {
            throw new NotValidCriterionOperatorException($operator.' is not a valid operator.');
        }

        $this->criteria[] = [
            'key' => $key,
            'value' => $value,
            'operator' => $operator,
            'date_format' => $dateFormat
        ];

        return $this;
    }

    /**
     * @param $operator
     * @return bool
     */
    private function isAValidCriterionOperator($operator)
    {
        return in_array($operator, array_keys(CriterionFilter::$operatorsMap));
    }

    /**
     * @param $key
     * @param string $operator
     *
     * @return $this
     *
     * @throws NotValidSortingOperatorException
     */
    public function sortedBy($key, $operator = 'ASC', $format = null)
    {
        if (!$this->isAValidSortingOperator($operator)) {
            throw new NotValidSortingOperatorException($operator.' is not a valid sorting operator.');
        }

        $this->sortedBy = [
            'key' => $key,
            'order' => $operator,
            'format' => $format
        ];

        return $this;
    }

    /**
     * @param $operator
     * @return bool
     */
    private function isAValidSortingOperator($operator)
    {
        return in_array($operator, SortingFilter::$operatorsMap);
    }

    /**
     * @param $offset
     * @param $length
     * @return $this
     * @throws NotValidLimitsOfArrayException
     */
    public function limit($offset, $length)
    {
        if (!is_integer($offset)) {
            throw new NotValidLimitsOfArrayException($offset.' must be an integer.');
        }

        if (!is_integer($length)) {
            throw new NotValidLimitsOfArrayException($length.' must be an integer.');
        }

        if ($offset > $length) {
            throw new NotValidLimitsOfArrayException($offset.' must be an < than '.$length.'.');
        }

        if ($length > count($this->array)) {
            throw new NotValidLimitsOfArrayException($length.' must be an > than array count.');
        }

        $this->limit = [
            'offset' => $offset,
            'lenght' => $length,
        ];

        return $this;
    }

    /**
     * @param $array
     * @param $arrayName
     * @param $parentKey
     * @param $foreignKey
     *
     * @return $this
     */
    public function join($array, $arrayName, $parentKey, $foreignKey)
    {
        $this->join[] = [
            'array' => $array,
            'arrayName' => $arrayName,
            'parentKey' => $parentKey,
            'foreignKey' => $foreignKey,
        ];

        return $this;
    }

    /**
     * @return array
     */
    public function getResults()
    {
        $results = $this->applySortingFilter($this->applyLimitFilter($this->applyCriteriaFilter($this->applyJoinFilter())));

        return array_map([ArrayConverter::class, 'convertToPlainArray'], $results);
    }

    /**
     * @return array
     */
    public function getResult($n)
    {
        return $this->getResults()[$n-1] ?: [];
    }

    /**
     * @return array
     */
    public function getFirstResult()
    {
        return $this->getResults()[0] ?: [];
    }

    /**
     * @return array
     */
    public function getLastResult()
    {
        $count = count($this->getResults());

        return $this->getResults()[$count-1] ?: [];
    }

    /**
     * @return array
     */
    public function getShuffledResults()
    {
        $shuffledArray = [];
        $keys = array_keys($this->getResults());
        shuffle($keys);

        foreach ($keys as $key) {
            $shuffledArray[$key] = $this->getResults()[$key];
        }

        return $shuffledArray;
    }

    /**
     * @param array $array
     *
     * @return array
     */
    private function applySortingFilter(array $array)
    {
        return SortingFilter::filter($array, $this->sortedBy);
    }

    /**
     * @param array $array
     *
     * @return array
     */
    private function applyLimitFilter(array $array)
    {
        return LimitFilter::filter($array, $this->limit);
    }

    /**
     * @return array
     */
    private function applyJoinFilter()
    {
        return JoinFilter::filter($this->array, $this->join);
    }

    /**
     * @return array
     */
    private function applyCriteriaFilter(array $array)
    {
        if (count($this->criteria) === 0) {
            return $array;
        }

        foreach ($this->criteria as $criterion) {
            $results = array_filter(
                (isset($results)) ? $results : $array, function ($element) use ($criterion) {
                    return CriterionFilter::filter($criterion, $element);
                }
            );

            $results = array_map(function ($result) use ($criterion) {
                $key = explode(Constants::ALIAS_DELIMITER, $criterion['key']);
                if (count($key) > 1) {
                    $oldkey = explode(Constants::ARRAY_SEPARATOR, $key[0]);
                    $newkey = $key[1];

                    $result = ArrayConverter::convertToPlainArray($result);
                    $result[$newkey] = $result[$oldkey[0]];
                    unset($result[$oldkey[0]]);
                }
                return $result;
            }, $results);
        }

        return $results;

    }

    /**
     * @return int
     */
    public function getCount()
    {
        return count($this->getResults());
    }
}


1			<?php
2			/**
3			* This file is part of the ArrayQuery package.
4			*
5			* (c) Mauro Cassani<https://github.com/mauretto78>
6			*
7			* For the full copyright and license information, please view the LICENSE
8			* file that was distributed with this source code.
9			*/
10
11			namespace ArrayQuery;
12
13			use ArrayQuery\Exceptions\EmptyArrayException;
14			use ArrayQuery\Exceptions\InvalidArrayException;
			0 ignored issues – show Bug introduced 2017-11-10 11:30 UTC by Report Bug Copy Issue Report The type `ArrayQuery\Exceptions\InvalidArrayException` was not found. Maybe you did not declare it correctly or list all dependencies? The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g. `excluded_paths: ["lib/"]`, you can move it to the dependency path list as follows: filter: dependency_paths: ["lib/"] For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths Loading history...
15			use ArrayQuery\Exceptions\NotConsistentDataException;
16			use ArrayQuery\Exceptions\NotValidCriterionOperatorException;
17			use ArrayQuery\Exceptions\NotValidKeyElementInArrayException;
18			use ArrayQuery\Exceptions\NotValidLimitsOfArrayException;
19			use ArrayQuery\Exceptions\NotValidSortingOperatorException;
20			use ArrayQuery\Filters\CriterionFilter;
21			use ArrayQuery\Filters\JoinFilter;
22			use ArrayQuery\Filters\SortingFilter;
23			use ArrayQuery\Filters\LimitFilter;
24			use ArrayQuery\Helpers\ArrayConverter;
25			use ArrayQuery\Helpers\ConsistencyChecker;
26
27			class QueryBuilder
28			{
29			/**
30			* @var array
31			*/
32			private $criteria;
33
34			/**
35			* @var array
36			*/
37			private $sortedBy;
38
39			/**
40			* @var array
41			*/
42			private $limit;
43
44			/**
45			* @var array
46			*/
47			private $join;
48
49			/**
50			* @var array
51			*/
52			private $array;
53
54			/**
55			* QueryBuilder constructor.
56			* @param array $array
57			*/
58			public function __construct(array $array)
59			{
60			$this->setArray($array);
61			}
62
63			/**
64			* @param array $array
65			* @return static
66			*/
67			public static function create(array $array)
68			{
69			return new static($array);
70			}
71
72			/**
73			* @param array $array
74			* @throws EmptyArrayException
75			* @throws NotConsistentDataException
76			*/
77			private function setArray(array $array)
78			{
79			if (empty($array)) {
80			throw new EmptyArrayException('Empty array provided.');
81			}
82
83			if (false === ConsistencyChecker::isValid($array)) {
84			throw new NotConsistentDataException('Array provided has no consistent data.');
85			}
86
87			$this->array = $array;
88			}
89
90			/**
91			* @param $key
92			* @param $value
93			* @param string $operator
94			* @param null $dateFormat
			0 ignored issues – show Documentation Bug introduced 2017-11-10 11:30 UTC by Report Bug Copy Issue Report Are you sure the doc-type for parameter `$dateFormat` is correct as it would always require `null` to be passed? Loading history...
95			* @return $this
96			* @throws NotValidCriterionOperatorException
97			*/
98			public function addCriterion($key, $value, $operator = '=', $dateFormat = null)
99			{
100			if (!$this->isAValidCriterionOperator($operator)) {
101			throw new NotValidCriterionOperatorException($operator.' is not a valid operator.');
102			}
103
104			$this->criteria[] = [
105			'key' => $key,
106			'value' => $value,
107			'operator' => $operator,
108			'date_format' => $dateFormat
109			];
110
111			return $this;
112			}
113
114			/**
115			* @param $operator
116			* @return bool
117			*/
118			private function isAValidCriterionOperator($operator)
119			{
120			return in_array($operator, array_keys(CriterionFilter::$operatorsMap));
121			}
122
123			/**
124			* @param $key
125			* @param string $operator
126			*
127			* @return $this
128			*
129			* @throws NotValidSortingOperatorException
130			*/
131			public function sortedBy($key, $operator = 'ASC', $format = null)
132			{
133			if (!$this->isAValidSortingOperator($operator)) {
134			throw new NotValidSortingOperatorException($operator.' is not a valid sorting operator.');
135			}
136
137			$this->sortedBy = [
138			'key' => $key,
139			'order' => $operator,
140			'format' => $format
141			];
142
143			return $this;
144			}
145
146			/**
147			* @param $operator
148			* @return bool
149			*/
150			private function isAValidSortingOperator($operator)
151			{
152			return in_array($operator, SortingFilter::$operatorsMap);
153			}
154
155			/**
156			* @param $offset
157			* @param $length
158			* @return $this
159			* @throws NotValidLimitsOfArrayException
160			*/
161			public function limit($offset, $length)
162			{
163			if (!is_integer($offset)) {
164			throw new NotValidLimitsOfArrayException($offset.' must be an integer.');
165			}
166
167			if (!is_integer($length)) {
168			throw new NotValidLimitsOfArrayException($length.' must be an integer.');
169			}
170
171			if ($offset > $length) {
172			throw new NotValidLimitsOfArrayException($offset.' must be an < than '.$length.'.');
173			}
174
175			if ($length > count($this->array)) {
176			throw new NotValidLimitsOfArrayException($length.' must be an > than array count.');
177			}
178
179			$this->limit = [
180			'offset' => $offset,
181			'lenght' => $length,
182			];
183
184			return $this;
185			}
186
187			/**
188			* @param $array
189			* @param $arrayName
190			* @param $parentKey
191			* @param $foreignKey
192			*
193			* @return $this
194			*/
195			public function join($array, $arrayName, $parentKey, $foreignKey)
196			{
197			$this->join[] = [
198			'array' => $array,
199			'arrayName' => $arrayName,
200			'parentKey' => $parentKey,
201			'foreignKey' => $foreignKey,
202			];
203
204			return $this;
205			}
206
207			/**
208			* @return array
209			*/
210			public function getResults()
211			{
212			$results = $this->applySortingFilter($this->applyLimitFilter($this->applyCriteriaFilter($this->applyJoinFilter())));
213
214			return array_map([ArrayConverter::class, 'convertToPlainArray'], $results);
215			}
216
217			/**
218			* @return array
219			*/
220			public function getResult($n)
221			{
222			return $this->getResults()[$n-1] ?: [];
223			}
224
225			/**
226			* @return array
227			*/
228			public function getFirstResult()
229			{
230			return $this->getResults()[0] ?: [];
231			}
232
233			/**
234			* @return array
235			*/
236			public function getLastResult()
237			{
238			$count = count($this->getResults());
239
240			return $this->getResults()[$count-1] ?: [];
241			}
242
243			/**
244			* @return array
245			*/
246			public function getShuffledResults()
247			{
248			$shuffledArray = [];
249			$keys = array_keys($this->getResults());
250			shuffle($keys);
251
252			foreach ($keys as $key) {
253			$shuffledArray[$key] = $this->getResults()[$key];
254			}
255
256			return $shuffledArray;
257			}
258
259			/**
260			* @param array $array
261			*
262			* @return array
263			*/
264			private function applySortingFilter(array $array)
265			{
266			return SortingFilter::filter($array, $this->sortedBy);
267			}
268
269			/**
270			* @param array $array
271			*
272			* @return array
273			*/
274			private function applyLimitFilter(array $array)
275			{
276			return LimitFilter::filter($array, $this->limit);
277			}
278
279			/**
280			* @return array
281			*/
282			private function applyJoinFilter()
283			{
284			return JoinFilter::filter($this->array, $this->join);
285			}
286
287			/**
288			* @return array
289			*/
290			private function applyCriteriaFilter(array $array)
291			{
292			if (count($this->criteria) === 0) {
293			return $array;
294			}
295
296			foreach ($this->criteria as $criterion) {
297			$results = array_filter(
298			(isset($results)) ? $results : $array, function ($element) use ($criterion) {
299			return CriterionFilter::filter($criterion, $element);
300			}
301			);
302
303			$results = array_map(function ($result) use ($criterion) {
304			$key = explode(Constants::ALIAS_DELIMITER, $criterion['key']);
305			if (count($key) > 1) {
306			$oldkey = explode(Constants::ARRAY_SEPARATOR, $key[0]);
307			$newkey = $key[1];
308
309			$result = ArrayConverter::convertToPlainArray($result);
310			$result[$newkey] = $result[$oldkey[0]];
311			unset($result[$oldkey[0]]);
312			}
313			return $result;
314			}, $results);
315			}
316
317			return $results;
			0 ignored issues – show Comprehensibility Best Practice introduced 2018-01-05 11:00 UTC by Report Bug Copy Issue Report The variable `$results` seems to be defined by a `foreach` iteration on line `296`. Are you sure the iterator is never empty, otherwise this variable is not defined? Loading history...
318			}
319
320			/**
321			* @return int
322			*/
323			public function getCount()
324			{
325			return count($this->getResults());
326			}
327			}
328

mauretto78 / array-query

Push — master ( 311db3...e94cf7 )

QueryBuilder::getShuffledResults() A

Complexity

Size

Duplication

Importance

Duplication Side-by-Side

Filter issues like