QueryExpressionVisitor::walkCompositeExpression() - Code Metrics - Inspection of "Updated composer.json and made unit tests run, not..." - doctrine/orm - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 8c259e...a3e53b )

by Guilherme

created 2020-05-01 18:17 UTC

QueryExpressionVisitor::walkCompositeExpression() A

↳ Parent: QueryExpressionVisitor

Complexity

Conditions	4
Paths	6

Size

Total Lines	15
Code Lines	10

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	7
CRAP Score	4.0312

Importance

Changes

Metric	Value
cc	4
eloc	10
nc	6
nop	1
dl	0
loc	15
ccs	7
cts	8
cp	0.875
crap	4.0312
rs	9.9332
c	0
b	0
f	0

<?php

declare(strict_types=1);

namespace Doctrine\ORM\Query;

use Doctrine\Common\Collections\ArrayCollection;
use Doctrine\Common\Collections\Collection;
use Doctrine\Common\Collections\Expr\Comparison;
use Doctrine\Common\Collections\Expr\CompositeExpression;
use Doctrine\Common\Collections\Expr\ExpressionVisitor;
use Doctrine\Common\Collections\Expr\Value;
use RuntimeException;
use function count;
use function str_replace;
use function strpos;

/**
 * Converts Collection expressions to Query expressions.
 */
class QueryExpressionVisitor extends ExpressionVisitor
{
    /** @var string[] */
    private static $operatorMap = [
        Comparison::GT => Expr\Comparison::GT,
        Comparison::GTE => Expr\Comparison::GTE,
        Comparison::LT  => Expr\Comparison::LT,
        Comparison::LTE => Expr\Comparison::LTE,
    ];

    /** @var string[] */
    private $queryAliases;

    /** @var Expr */
    private $expr;

    /** @var mixed[] */
    private $parameters = [];

    /**
     * @param string[] $queryAliases
     */
    public function __construct($queryAliases)
    {
        $this->queryAliases = $queryAliases;
        $this->expr         = new Expr();
    }

    /**
     * Gets bound parameters.
     * Filled after {@link dispach()}.
     *
     * @return Collection|mixed[]
     */
    public function getParameters()
    {
        return new ArrayCollection($this->parameters);
    }

    /**
     * Clears parameters.
     */
    public function clearParameters()
    {
        $this->parameters = [];
    }

    /**
     * Converts Criteria expression to Query one based on static map.
     *
     * @param string $criteriaOperator
     *
     * @return string|null
     */
    private static function convertComparisonOperator($criteriaOperator)
    {
        return self::$operatorMap[$criteriaOperator] ?? null;
    }

    /**
     * {@inheritDoc}
     */
    public function walkCompositeExpression(CompositeExpression $expr)
    {
        $expressionList = [];

        foreach ($expr->getExpressionList() as $child) {
            $expressionList[] = $this->dispatch($child);
        }

        switch ($expr->getType()) {
            case CompositeExpression::TYPE_AND:
                return new Expr\Andx($expressionList);
            case CompositeExpression::TYPE_OR:
                return new Expr\Orx($expressionList);
            default:
                throw new RuntimeException('Unknown composite ' . $expr->getType());
        }
    }

    /**
     * {@inheritDoc}
     */
    public function walkComparison(Comparison $comparison)
    {
        if (! isset($this->queryAliases[0])) {
            throw new QueryException('No aliases are set before invoking walkComparison().');
        }

        $field = $this->queryAliases[0] . '.' . $comparison->getField();

        foreach ($this->queryAliases as $alias) {
            if (strpos($comparison->getField() . '.', $alias . '.') === 0) {
                $field = $comparison->getField();
                break;
            }
        }

        $parameterName  = str_replace('.', '_', $comparison->getField());
        $parameterCount = count($this->parameters);

        foreach ($this->parameters as $parameter) {
            if ($parameter->getName() === $parameterName) {
                $parameterName .= '_' . $parameterCount;
                break;
            }
        }

        $parameter   = new Parameter($parameterName, $this->walkValue($comparison->getValue()));
        $placeholder = ':' . $parameterName;

        switch ($comparison->getOperator()) {
            case Comparison::IN:
                $this->parameters[] = $parameter;

                return $this->expr->in($field, $placeholder);
            case Comparison::NIN:
                $this->parameters[] = $parameter;

                return $this->expr->notIn($field, $placeholder);
            case Comparison::EQ:
            case Comparison::IS:
                if ($this->walkValue($comparison->getValue()) === null) {
                    return $this->expr->isNull($field);
                }
                $this->parameters[] = $parameter;

                return $this->expr->eq($field, $placeholder);
            case Comparison::NEQ:
                if ($this->walkValue($comparison->getValue()) === null) {
                    return $this->expr->isNotNull($field);
                }
                $this->parameters[] = $parameter;

                return $this->expr->neq($field, $placeholder);
            case Comparison::CONTAINS:
                $parameter->setValue('%' . $parameter->getValue() . '%', $parameter->getType());
                $this->parameters[] = $parameter;

                return $this->expr->like($field, $placeholder);
            case Comparison::STARTS_WITH:
                $parameter->setValue($parameter->getValue() . '%', $parameter->getType());
                $this->parameters[] = $parameter;

                return $this->expr->like($field, $placeholder);
            case Comparison::ENDS_WITH:
                $parameter->setValue('%' . $parameter->getValue(), $parameter->getType());
                $this->parameters[] = $parameter;

                return $this->expr->like($field, $placeholder);
            default:
                $operator = self::convertComparisonOperator($comparison->getOperator());
                if ($operator) {
                    $this->parameters[] = $parameter;

                    return new Expr\Comparison(
                        $field,
                        $operator,
                        $placeholder
                    );
                }

                throw new RuntimeException('Unknown comparison operator: ' . $comparison->getOperator());
        }
    }

    /**
     * {@inheritDoc}
     */
    public function walkValue(Value $value)
    {
        return $value->getValue();
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace Doctrine\ORM\Query;
6
7		use Doctrine\Common\Collections\ArrayCollection;
8		use Doctrine\Common\Collections\Collection;
9		use Doctrine\Common\Collections\Expr\Comparison;
10		use Doctrine\Common\Collections\Expr\CompositeExpression;
11		use Doctrine\Common\Collections\Expr\ExpressionVisitor;
12		use Doctrine\Common\Collections\Expr\Value;
13		use RuntimeException;
14		use function count;
15		use function str_replace;
16		use function strpos;
17
18		/**
19		* Converts Collection expressions to Query expressions.
20		*/
21		class QueryExpressionVisitor extends ExpressionVisitor
22		{
23		/** @var string[] */
24		private static $operatorMap = [
25		Comparison::GT => Expr\Comparison::GT,
26		Comparison::GTE => Expr\Comparison::GTE,
27		Comparison::LT => Expr\Comparison::LT,
28		Comparison::LTE => Expr\Comparison::LTE,
29		];
30
31		/** @var string[] */
32		private $queryAliases;
33
34		/** @var Expr */
35		private $expr;
36
37		/** @var mixed[] */
38		private $parameters = [];
39
40		/**
41		* @param string[] $queryAliases
42		*/
43	34	public function __construct($queryAliases)
44		{
45	34	$this->queryAliases = $queryAliases;
46	34	$this->expr = new Expr();
47	34	}
48
49		/**
50		* Gets bound parameters.
51		* Filled after {@link dispach()}.
52		*
53		* @return Collection\|mixed[]
54		*/
55	24	public function getParameters()
56		{
57	24	return new ArrayCollection($this->parameters);
58		}
59
60		/**
61		* Clears parameters.
62		*/
63	1	public function clearParameters()
64		{
65	1	$this->parameters = [];
66	1	}
67
68		/**
69		* Converts Criteria expression to Query one based on static map.
70		*
71		* @param string $criteriaOperator
72		*
73		* @return string\|null
74		*/
75	11	private static function convertComparisonOperator($criteriaOperator)
76		{
77	11	return self::$operatorMap[$criteriaOperator] ?? null;
78		}
79
80		/**
81		* {@inheritDoc}
82		*/
83	10	public function walkCompositeExpression(CompositeExpression $expr)
84		{
85	10	$expressionList = [];
86
87	10	foreach ($expr->getExpressionList() as $child) {
88	10	$expressionList[] = $this->dispatch($child);
89		}
90
91	10	switch ($expr->getType()) {
92		case CompositeExpression::TYPE_AND:
93	9	return new Expr\Andx($expressionList);
94		case CompositeExpression::TYPE_OR:
95	1	return new Expr\Orx($expressionList);
96		default:
97		throw new RuntimeException('Unknown composite ' . $expr->getType());
98		}
99		}
100
101		/**
102		* {@inheritDoc}
103		*/
104	28	public function walkComparison(Comparison $comparison)
105		{
106	28	if (! isset($this->queryAliases[0])) {
107		throw new QueryException('No aliases are set before invoking walkComparison().');
108		}
109
110	28	$field = $this->queryAliases[0] . '.' . $comparison->getField();
111
112	28	foreach ($this->queryAliases as $alias) {
113	28	if (strpos($comparison->getField() . '.', $alias . '.') === 0) {
114	5	$field = $comparison->getField();
115	5	break;
116		}
117		}
118
119	28	$parameterName = str_replace('.', '_', $comparison->getField());
120	28	$parameterCount = count($this->parameters);
121
122	28	foreach ($this->parameters as $parameter) {
123	10	if ($parameter->getName() === $parameterName) {
124	4	$parameterName .= '_' . $parameterCount;
125	4	break;
126		}
127		}
128
129	28	$parameter = new Parameter($parameterName, $this->walkValue($comparison->getValue()));
130	28	$placeholder = ':' . $parameterName;
131
132	28	switch ($comparison->getOperator()) {
133		case Comparison::IN:
134	1	$this->parameters[] = $parameter;
135
136	1	return $this->expr->in($field, $placeholder);
137		case Comparison::NIN:
138	1	$this->parameters[] = $parameter;
139
140	1	return $this->expr->notIn($field, $placeholder);
141		case Comparison::EQ:
142		case Comparison::IS:
143	17	if ($this->walkValue($comparison->getValue()) === null) {
144	2	return $this->expr->isNull($field);
145		}
146	15	$this->parameters[] = $parameter;
147
148	15	return $this->expr->eq($field, $placeholder);
149		case Comparison::NEQ:
150	2	if ($this->walkValue($comparison->getValue()) === null) {
151	1	return $this->expr->isNotNull($field);
152		}
153	1	$this->parameters[] = $parameter;
154
155	1	return $this->expr->neq($field, $placeholder);
156		case Comparison::CONTAINS:
157	1	$parameter->setValue('%' . $parameter->getValue() . '%', $parameter->getType());
158	1	$this->parameters[] = $parameter;
159
160	1	return $this->expr->like($field, $placeholder);
161		case Comparison::STARTS_WITH:
162	1	$parameter->setValue($parameter->getValue() . '%', $parameter->getType());
163	1	$this->parameters[] = $parameter;
164
165	1	return $this->expr->like($field, $placeholder);
166		case Comparison::ENDS_WITH:
167	1	$parameter->setValue('%' . $parameter->getValue(), $parameter->getType());
168	1	$this->parameters[] = $parameter;
169
170	1	return $this->expr->like($field, $placeholder);
171		default:
172	11	$operator = self::convertComparisonOperator($comparison->getOperator());
173	11	if ($operator) {
174	11	$this->parameters[] = $parameter;
175
176	11	return new Expr\Comparison(
177	11	$field,
178		$operator,
179		$placeholder
180		);
181		}
182
183		throw new RuntimeException('Unknown comparison operator: ' . $comparison->getOperator());
184		}
185		}
186
187		/**
188		* {@inheritDoc}
189		*/
190	29	public function walkValue(Value $value)
191		{
192	29	return $value->getValue();
193		}
194		}
195

doctrine / orm

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QueryExpressionVisitor::walkCompositeExpression() A

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