view vendor/symfony/validator/Constraints/CountValidator.php @ 19:fa3358dc1485 tip

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<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <[e-mail]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Validator\Constraints;

use Symfony\Component\Validator\Constraint;
use Symfony\Component\Validator\ConstraintValidator;
use Symfony\Component\Validator\Exception\UnexpectedTypeException;

/**
 * @author Bernhard Schussek <[e-mail]>
 */
class CountValidator extends ConstraintValidator
{
    /**
     * {@inheritdoc}
     */
    public function validate($value, Constraint $constraint)
    {
        if (!$constraint instanceof Count) {
            throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Count');
        }

        if (null === $value) {
            return;
        }

        if (!\is_array($value) && !$value instanceof \Countable) {
            throw new UnexpectedTypeException($value, 'array or \Countable');
        }

        $count = \count($value);

        if (null !== $constraint->max && $count > $constraint->max) {
            $this->context->buildViolation($constraint->min == $constraint->max ? $constraint->exactMessage : $constraint->maxMessage)
                ->setParameter('{{ count }}', $count)
                ->setParameter('{{ limit }}', $constraint->max)
                ->setInvalidValue($value)
                ->setPlural((int) $constraint->max)
                ->setCode(Count::TOO_MANY_ERROR)
                ->addViolation();

            return;
        }

        if (null !== $constraint->min && $count < $constraint->min) {
            $this->context->buildViolation($constraint->min == $constraint->max ? $constraint->exactMessage : $constraint->minMessage)
                ->setParameter('{{ count }}', $count)
                ->setParameter('{{ limit }}', $constraint->min)
                ->setInvalidValue($value)
                ->setPlural((int) $constraint->min)
                ->setCode(Count::TOO_FEW_ERROR)
                ->addViolation();
        }
    }
}