val.php

<?php

namespace AppBundle\Validator\BookingOptional;

use Proxies\__CG__\AppBundle\Entity\BookingOptional;
use Symfony\Component\Validator\Constraint;
use Symfony\Component\Validator\ConstraintValidator;

/**
 * Class IsValidSelectedIvaRegimenValidator
 *
 * @package AppBundle\Validator\BookingOptional
 */
class IsValidSelectedIvaRegimenValidator extends ConstraintValidator
{
    /**
     *  If BookingOptional::requirePackageTravel is checked, then field ivaRegimen should be equally BookingOptional::IVA_REGIMEN_PERCENT_VALUE_74
     *
     * @param mixed      $bookingOptional
     * @param Constraint $constraint
     */
    public function validate($bookingOptional, Constraint $constraint)
    {
        if ($bookingOptional->getRequirePackageTravel() === true && $bookingOptional->getIvaRegimen() != BookingOptional::IVA_REGIMEN_PERCENT_VALUE_74) {
            $this->context->buildViolation(sprintf("Siccome \"Trasforma la prenotazione in un pacchetto turistico\" è spuntato, il campo \"Regime IVA\" dev'essere \"booking_optional.iva_regimen.%s\"", BookingOptional::IVA_REGIMEN_PERCENT_VALUE_74))
                ->atPath("ivaRegimen")
                ->addViolation();
        }
    }
}