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<?php
declare(strict_types=1);
/**
* @author Amasty Team
* @copyright Copyright (c) Amasty (https://www.amasty.com)
* @package Import Core for Magento 2 (System)
*/
namespace Amasty\ImportCore\Import\Validation\ValueValidator;
use Amasty\ImportCore\Api\Validation\FieldValidatorInterface;
class Regex implements FieldValidatorInterface
{
public const REGEX = 'pattern';
public const DEFAULT_MODIFIERS = 'is';
public const DEFAULT_SETTINGS = [
self::REGEX => null
];
/** @var array */
protected $config;
public function __construct(array $config)
{
$this->config = array_merge(self::DEFAULT_SETTINGS, $config);
if (empty($this->config[self::REGEX])) {
throw new \LogicException('Regular expression is not specified for Regex validator');
}
$regex = $this->config[self::REGEX] = $this->prepareRegex($this->config[self::REGEX]);
try {
preg_match($regex, '');
} catch (\Throwable $throwable) {
throw new \LogicException('Regular expression ' . $regex . ' is not valid: '
. $throwable->getMessage());
}
}
protected function prepareRegex(string $expression): string
{
return "($expression)" . self::DEFAULT_MODIFIERS;
}
public function validate(array $row, string $field): bool
{
if (isset($row[$field])) {
try {
return (bool)preg_match($this->config[self::REGEX], $row[$field]);
} catch (\Throwable $throwable) {
$errorMessage = sprintf(
'Failed to match value "%s" with regular expression "%s": %s',
$row[$field],
$this->config[self::REGEX],
$throwable->getMessage()
);
throw new \RuntimeException($errorMessage);
}
}
return true;
}
}