Yiisoft\Db\Oracle\Builder\LikeConditionBuilder

Complexity

Total Complexity

5

Size/Duplication

Total Lines	46
Duplicated Lines	0 %

Test Coverage

Coverage

90%

Importance

Changes	2
Bugs	0	Features	0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	build()	0	11	2
A	getEscapeSql()	0	7	2
A	__construct()	0	3	1

<?php

declare(strict_types=1);

namespace Yiisoft\Db\Oracle\Builder;

use Exception;
use Yiisoft\Db\QueryBuilder\Conditions\Builder\LikeConditionBuilder as AbstractLikeConditionBuilder;
use Yiisoft\Db\QueryBuilder\Conditions\Interface\LikeConditionInterface;
use Yiisoft\Db\QueryBuilder\QueryBuilderInterface;
use Yiisoft\Db\Schema\Quoter;

use function substr;

final class LikeConditionBuilder extends AbstractLikeConditionBuilder
{
    private string|null $escapeCharacter = '!';

    /**
     * `\` is initialized in {@see buildLikeCondition()} method since we need to choose replacement value based on
     * {@see Quoter::quoteValue()}.
     */
    protected array $escapingReplacements = [
        '%' => '!%',
        '_' => '!_',
        '!' => '!!',
    ];

    public function __construct(private QueryBuilderInterface $queryBuilder)
    {
        parent::__construct($queryBuilder, $this->getEscapeSql());
    }

    /**
     * @throws Exception
     */
    public function build(LikeConditionInterface $expression, array &$params = []): string
    {
        if (!isset($this->escapingReplacements['\\'])) {
            /*
             * Different pdo_oci8 versions may or may not implement PDO::quote(), so {@see Quoter::quoteValue()} may or
             * may not quote \.
             */
            $this->escapingReplacements['\\'] = substr((string) $this->queryBuilder->quoter()->quoteValue('\\'), 1, -1);
        }

        return parent::build($expression, $params);
    }

    /**
     * @return string character used to escape special characters in LIKE conditions.
     * By default, it's assumed to be `!`.
     */
    private function getEscapeSql(): string
    {
        if ($this->escapeCharacter !== null) {
            return " ESCAPE '{$this->escapeCharacter}'";
        }

        return '';
    }
}