Yiisoft\Validator\Rule\CallbackHandler

Complexity

Total Complexity

5

Size/Duplication

Total Lines	25
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes

0

1 Method

Rating	Name	Duplication	Size	Complexity
A	validate()	0	23	5

<?php

declare(strict_types=1);

namespace Yiisoft\Validator\Rule;

use Yiisoft\Validator\Exception\InvalidCallbackReturnTypeException;
use Yiisoft\Validator\Result;
use Yiisoft\Validator\Rule\RuleHandlerInterface;
use Yiisoft\Validator\ValidationContext;
use Yiisoft\Validator\ValidatorInterface;
use Yiisoft\Validator\Exception\UnexpectedRuleException;

final class CallbackHandler implements RuleHandlerInterface
{
    public function validate(mixed $value, object $rule, ValidatorInterface $validator, ?ValidationContext $context = null): Result
    {
        if (!$rule instanceof Callback) {
            throw new UnexpectedRuleException(Callback::class, $rule);
        }

        $callback = $rule->callback;
        $callbackResult = $callback($value, $context);

        if (!$callbackResult instanceof Result) {
            throw new InvalidCallbackReturnTypeException($callbackResult);
        }

        $result = new Result();
        if ($callbackResult->isValid()) {
            return $result;
        }

        foreach ($callbackResult->getErrors() as $error) {
            $result->mergeError($error);
        }

        return $result;
    }
}