EventRequestSectionRequirementValidator.php

<?php
/**
 * (c) Artem Ostretsov <artem@ostretsov.ru>
 * Created at 15.10.2014 12:32
 */

namespace SP\EventBundle\Validator\Constraints;


use SP\EventBundle\Entity\EventRequest;
use Symfony\Component\Validator\Constraint;
use Symfony\Component\Validator\ConstraintValidator;

class EventRequestSectionRequirementValidator extends ConstraintValidator
{
    /**
     * {@inheritdoc}
     */
    public function validate($value, Constraint $constraint)
    {
        if ($value instanceof EventRequest) {
            if (null === $value->getEventSection() && count($value->getEvent()->getSections()) > 0) {
                $this->buildViolation($constraint->message)
                    ->addViolation();
            }
        }
    }
}