QueryParameter::extractConditionConfig() - Code Metrics - TimoZachi/phalcon-repository - Measure and Improve Code Quality continuously with Scrutinizer

QueryParameter::extractConditionConfig() A
last analyzed 2019-07-22 10:53 UTC

↳ Parent: QueryParameter

Complexity

Conditions	4
Paths	3

Size

Total Lines	19
Code Lines	10

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	11
CRAP Score	4

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
eloc	10
c	1
b	0
f	0
dl	0
loc	19
ccs	11
cts	11
cp	1
rs	9.9332
cc	4
nc	3
nop	1
crap	4

<?php

declare(strict_types=1);

namespace TZachi\PhalconRepository\Resolver;

use InvalidArgumentException;
use function array_keys;
use function count;
use function implode;
use function in_array;
use function is_array;
use function is_int;
use function range;
use function sprintf;
use function strtoupper;

/**
 * Class to map query arguments to parameters that can be used in phalcon models
 */
class QueryParameter implements Parameter
{
    /**
     * @var int
     */
    protected $bindingIndex;

    /**
     * {@inheritdoc}
     */
    public function where(array $where, int $bindingStartIndex = 0): array
    {
        if ($where === []) {
            return [];
        }

        $this->bindingIndex = $bindingStartIndex;

        [$type, $operator] = $this->extractConditionConfig($where);
        $conditions        = [];
        $bindings          = [];

        foreach ($where as $field => $value) {
            $this->validateValueForOperator($operator, $value);

            if ($value === null) {
                $conditions[] = '[' . $field . '] IS NULL';
                continue;
            }

            if (is_array($value)) {
                $conditions[] = $this->createConditionsFromArray($operator, $field, $value, $bindings);
                continue;
            }

            $conditions[]                  = sprintf('[%s] %s ?%d', $field, $operator, $this->bindingIndex);
            $bindings[$this->bindingIndex] = $value;
            $this->bindingIndex++;
        }

        return [
            'conditions' => implode(' ' . $type . ' ', $conditions),
            'bind' => $bindings,
        ];
    }

    /**
     * {@inheritdoc}
     *
     * @return string[]
     */
    public function orderBy(array $orderBy): array
    {
        if ($orderBy === []) {
            return [];
        }

        $orderByStatements = [];
        foreach ($orderBy as $sortField => $sortDirection) {
            if (is_int($sortField)) {
                $sortField     = $sortDirection;
                $sortDirection = 'ASC';
            } else {
                $sortDirection = strtoupper($sortDirection);
            }

            if ($sortDirection !== self::ORDER_ASC && $sortDirection !== self::ORDER_DESC) {
                throw new InvalidArgumentException(
                    sprintf('Sort direction must be one of the %s::ORDER_ constants', self::class)
                );
            }

            $orderByStatements[] = '[' . $sortField . '] ' . $sortDirection;
        }

        return ['order' => implode(', ', $orderByStatements)];
    }

    /**
     * {@inheritdoc}
     *
     * @return int[]
     */
    public function limit(int $limit, int $offset = 0): array
    {
        $parameters = [];
        if ($limit > 0) {
            $parameters['limit']  = $limit;
            $parameters['offset'] = $offset;
        }

        return $parameters;
    }

    /**
     * {@inheritdoc}
     *
     * @return string[]
     */
    public function column(string $columnName): array
    {
        return ['column' => $columnName];
    }

    /**
     * @param mixed[] $where
     *
     * @return string[]
     *
     * @throws InvalidArgumentException When type or operator is invalid
     */
    protected function extractConditionConfig(array &$where): array
    {
        $type     = $where['@type'] ?? self::TYPE_AND;
        $operator = $where['@operator'] ?? '=';
        unset($where['@type'], $where['@operator']);

        if ($type !== self::TYPE_AND && $type !== self::TYPE_OR) {
            throw new InvalidArgumentException(
                sprintf('configuration @type must be one of the %s::TYPE_ constants', self::class)
            );
        }

        if (!in_array($operator, self::OPERATORS, true)) {
            throw new InvalidArgumentException(
                sprintf('configuration @operator must be one of: %s', implode(', ', self::OPERATORS))
            );
        }

        return [$type, $operator];
    }

    /**
     * @param mixed $value
     */
    protected function validateValueForOperator(string $operator, $value): void
    {
        if (is_array($value)) {
            if (!in_array($operator, ['=', '<>', 'BETWEEN'], true)) {
                throw new InvalidArgumentException('Operator ' . $operator . ' cannot have an array as its value');
            }

            return;
        }
        if ($operator === 'BETWEEN') {
            throw new InvalidArgumentException('Operator BETWEEN needs an array as its value');
        }
    }

    /**
     * @param string|int $field
     * @param mixed[]    $value
     * @param mixed[]    $bindings
     *
     * @throws InvalidArgumentException When value is an empty array
     */
    protected function createConditionsFromArray(string $operator, $field, array $value, array &$bindings): string
    {
        if ($value === []) {
            throw new InvalidArgument('Empty array value is not allowed in where condition');
        }

        if ($operator === 'BETWEEN') {
            return sprintf('[%s] BETWEEN %s', $field, $this->createBetweenCondition($value, $bindings));
        }

        // Check if $value is not an indexed array
        if (array_keys($value) !== range(0, count($value) - 1)) {
            $parameters = $this->where($value, $this->bindingIndex);
            $bindings  += $parameters['bind'];

            return '(' . $parameters['conditions'] . ')';
        }

        return sprintf(
            '[%s] %sIN (%s)',
            $field,
            $operator === '=' ? '' : 'NOT ',
            $this->createInCondition($value, $bindings)
        );
    }

    /**
     * @param mixed[]  $value
     * @param string[] $bindings
     *
     * @throws InvalidArgumentException When value is not an array with two values
     */
    protected function createBetweenCondition(array $value, array &$bindings): string
    {
        if (count($value) !== 2) {
            throw new InvalidArgumentException(
                'Value for BETWEEN operator must be an array with exactly two values'
            );
        }

        $condition                       = sprintf('?%d AND ?%d', $this->bindingIndex, $this->bindingIndex + 1);
        $bindings[$this->bindingIndex++] = $value[0];
        $bindings[$this->bindingIndex++] = $value[1];

        return $condition;
    }

    /**
     * @param mixed[]  $values
     * @param string[] $bindings
     */
    protected function createInCondition(array $values, array &$bindings): string
    {
        $condition = '';
        foreach ($values as $i => $value) {
            $condition                    .= sprintf('%s?%d', $i === 0 ? '' : ', ', $this->bindingIndex);
            $bindings[$this->bindingIndex] = $value;

            $this->bindingIndex++;
        }

        return $condition;
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace TZachi\PhalconRepository\Resolver;
6
7		use InvalidArgumentException;
8		use function array_keys;
9		use function count;
10		use function implode;
11		use function in_array;
12		use function is_array;
13		use function is_int;
14		use function range;
15		use function sprintf;
16		use function strtoupper;
17
18		/**
19		* Class to map query arguments to parameters that can be used in phalcon models
20		*/
21		class QueryParameter implements Parameter
22		{
23		/**
24		* @var int
25		*/
26		protected $bindingIndex;
27
28		/**
29		* {@inheritdoc}
30		*/
31	14	public function where(array $where, int $bindingStartIndex = 0): array
32		{
33	14	if ($where === []) {
34	1	return [];
35		}
36
37	13	$this->bindingIndex = $bindingStartIndex;
38
39	13	[$type, $operator] = $this->extractConditionConfig($where);
40	11	$conditions = [];
41	11	$bindings = [];
42
43	11	foreach ($where as $field => $value) {
44	11	$this->validateValueForOperator($operator, $value);
45
46	5	if ($value === null) {
47	2	$conditions[] = '[' . $field . '] IS NULL';
48	2	continue;
49		}
50
51	5	if (is_array($value)) {
52	5	$conditions[] = $this->createConditionsFromArray($operator, $field, $value, $bindings);
53	3	continue;
54		}
55
56	3	$conditions[] = sprintf('[%s] %s ?%d', $field, $operator, $this->bindingIndex);
57	3	$bindings[$this->bindingIndex] = $value;
58	3	$this->bindingIndex++;
59		}
60
61		return [
62	3	'conditions' => implode(' ' . $type . ' ', $conditions),
63	3	'bind' => $bindings,
64		];
65		}
66
67		/**
68		* {@inheritdoc}
69		*
70		* @return string[]
71		*/
72	5	public function orderBy(array $orderBy): array
73		{
74	5	if ($orderBy === []) {
75	1	return [];
76		}
77
78	4	$orderByStatements = [];
79	4	foreach ($orderBy as $sortField => $sortDirection) {
80	4	if (is_int($sortField)) {
81	2	$sortField = $sortDirection;
82	2	$sortDirection = 'ASC';
83		} else {
84	3	$sortDirection = strtoupper($sortDirection);
85		}
86
87	4	if ($sortDirection !== self::ORDER_ASC && $sortDirection !== self::ORDER_DESC) {
88	1	throw new InvalidArgumentException(
89	1	sprintf('Sort direction must be one of the %s::ORDER_ constants', self::class)
90		);
91		}
92
93	3	$orderByStatements[] = '[' . $sortField . '] ' . $sortDirection;
94		}
95
96	3	return ['order' => implode(', ', $orderByStatements)];
97		}
98
99		/**
100		* {@inheritdoc}
101		*
102		* @return int[]
103		*/
104	3	public function limit(int $limit, int $offset = 0): array
105		{
106	3	$parameters = [];
107	3	if ($limit > 0) {
108	2	$parameters['limit'] = $limit;
109	2	$parameters['offset'] = $offset;
110		}
111
112	3	return $parameters;
113		}
114
115		/**
116		* {@inheritdoc}
117		*
118		* @return string[]
119		*/
120	1	public function column(string $columnName): array
121		{
122	1	return ['column' => $columnName];
123		}
124
125		/**
126		* @param mixed[] $where
127		*
128		* @return string[]
129		*
130		* @throws InvalidArgumentException When type or operator is invalid
131		*/
132	13	protected function extractConditionConfig(array &$where): array
133		{
134	13	$type = $where['@type'] ?? self::TYPE_AND;
135	13	$operator = $where['@operator'] ?? '=';
136	13	unset($where['@type'], $where['@operator']);
137
138	13	if ($type !== self::TYPE_AND && $type !== self::TYPE_OR) {
139	1	throw new InvalidArgumentException(
140	1	sprintf('configuration @type must be one of the %s::TYPE_ constants', self::class)
141		);
142		}
143
144	12	if (!in_array($operator, self::OPERATORS, true)) {
145	1	throw new InvalidArgumentException(
146	1	sprintf('configuration @operator must be one of: %s', implode(', ', self::OPERATORS))
147		);
148		}
149
150	11	return [$type, $operator];
151		}
152
153		/**
154		* @param mixed $value
155		*/
156	11	protected function validateValueForOperator(string $operator, $value): void
157		{
158	11	if (is_array($value)) {
159	10	if (!in_array($operator, ['=', '<>', 'BETWEEN'], true)) {
160	5	throw new InvalidArgumentException('Operator ' . $operator . ' cannot have an array as its value');
161		}
162
163	5	return;
164		}
165	4	if ($operator === 'BETWEEN') {
166	1	throw new InvalidArgumentException('Operator BETWEEN needs an array as its value');
167		}
168	3	}
169
170		/**
171		* @param string\|int $field
172		* @param mixed[] $value
173		* @param mixed[] $bindings
174		*
175		* @throws InvalidArgumentException When value is an empty array
176		*/
177	5	protected function createConditionsFromArray(string $operator, $field, array $value, array &$bindings): string
178		{
179	5	if ($value === []) {
180	1	throw new InvalidArgument('Empty array value is not allowed in where condition');
181		}
182
183	4	if ($operator === 'BETWEEN') {
184	3	return sprintf('[%s] BETWEEN %s', $field, $this->createBetweenCondition($value, $bindings));
185		}
186
187		// Check if $value is not an indexed array
188	3	if (array_keys($value) !== range(0, count($value) - 1)) {
189	2	$parameters = $this->where($value, $this->bindingIndex);
190	2	$bindings += $parameters['bind'];
191
192	2	return '(' . $parameters['conditions'] . ')';
193		}
194
195	2	return sprintf(
196	2	'[%s] %sIN (%s)',
197	2	$field,
198	2	$operator === '=' ? '' : 'NOT ',
199	2	$this->createInCondition($value, $bindings)
200		);
201		}
202
203		/**
204		* @param mixed[] $value
205		* @param string[] $bindings
206		*
207		* @throws InvalidArgumentException When value is not an array with two values
208		*/
209	3	protected function createBetweenCondition(array $value, array &$bindings): string
210		{
211	3	if (count($value) !== 2) {
212	1	throw new InvalidArgumentException(
213	1	'Value for BETWEEN operator must be an array with exactly two values'
214		);
215		}
216
217	2	$condition = sprintf('?%d AND ?%d', $this->bindingIndex, $this->bindingIndex + 1);
218	2	$bindings[$this->bindingIndex++] = $value[0];
219	2	$bindings[$this->bindingIndex++] = $value[1];
220
221	2	return $condition;
222		}
223
224		/**
225		* @param mixed[] $values
226		* @param string[] $bindings
227		*/
228	2	protected function createInCondition(array $values, array &$bindings): string
229		{
230	2	$condition = '';
231	2	foreach ($values as $i => $value) {
232	2	$condition .= sprintf('%s?%d', $i === 0 ? '' : ', ', $this->bindingIndex);
233	2	$bindings[$this->bindingIndex] = $value;
234
235	2	$this->bindingIndex++;
236		}
237
238	2	return $condition;
239		}
240		}
241

TimoZachi / phalcon-repository

QueryParameter::extractConditionConfig() A last analyzed 2019-07-22 10:53 UTC

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QueryParameter::extractConditionConfig() A
last analyzed 2019-07-22 10:53 UTC