Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\Validator\Constraints;
Chris@0: 
Chris@0: use Symfony\Component\Validator\Constraint;
Chris@0: use Symfony\Component\Validator\ConstraintValidator;
Chris@0: use Symfony\Component\Validator\Exception\ConstraintDefinitionException;
Chris@0: use Symfony\Component\Validator\Exception\UnexpectedTypeException;
Chris@0: 
Chris@0: /**
Chris@0:  * ChoiceValidator validates that the value is one of the expected values.
Chris@0:  *
Chris@0:  * @author Fabien Potencier <fabien@symfony.com>
Chris@0:  * @author Florian Eckerstorfer <florian@eckerstorfer.org>
Chris@0:  * @author Bernhard Schussek <bschussek@gmail.com>
Chris@0:  */
Chris@0: class ChoiceValidator extends ConstraintValidator
Chris@0: {
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function validate($value, Constraint $constraint)
Chris@0:     {
Chris@0:         if (!$constraint instanceof Choice) {
Chris@0:             throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Choice');
Chris@0:         }
Chris@0: 
Chris@17:         if (!\is_array($constraint->choices) && !$constraint->callback) {
Chris@0:             throw new ConstraintDefinitionException('Either "choices" or "callback" must be specified on constraint Choice');
Chris@0:         }
Chris@0: 
Chris@0:         if (null === $value) {
Chris@0:             return;
Chris@0:         }
Chris@0: 
Chris@17:         if ($constraint->multiple && !\is_array($value)) {
Chris@0:             throw new UnexpectedTypeException($value, 'array');
Chris@0:         }
Chris@0: 
Chris@0:         if ($constraint->callback) {
Chris@17:             if (!\is_callable($choices = [$this->context->getObject(), $constraint->callback])
Chris@17:                 && !\is_callable($choices = [$this->context->getClassName(), $constraint->callback])
Chris@17:                 && !\is_callable($choices = $constraint->callback)
Chris@0:             ) {
Chris@0:                 throw new ConstraintDefinitionException('The Choice constraint expects a valid callback');
Chris@0:             }
Chris@17:             $choices = \call_user_func($choices);
Chris@0:         } else {
Chris@0:             $choices = $constraint->choices;
Chris@0:         }
Chris@0: 
Chris@14:         if (true !== $constraint->strict) {
Chris@14:             @trigger_error('Not setting the strict option of the Choice constraint to true is deprecated since Symfony 3.4 and will throw an exception in 4.0.', E_USER_DEPRECATED);
Chris@0:         }
Chris@0: 
Chris@0:         if ($constraint->multiple) {
Chris@0:             foreach ($value as $_value) {
Chris@17:                 if (!\in_array($_value, $choices, $constraint->strict)) {
Chris@0:                     $this->context->buildViolation($constraint->multipleMessage)
Chris@0:                         ->setParameter('{{ value }}', $this->formatValue($_value))
Chris@0:                         ->setCode(Choice::NO_SUCH_CHOICE_ERROR)
Chris@0:                         ->setInvalidValue($_value)
Chris@0:                         ->addViolation();
Chris@0: 
Chris@0:                     return;
Chris@0:                 }
Chris@0:             }
Chris@0: 
Chris@17:             $count = \count($value);
Chris@0: 
Chris@14:             if (null !== $constraint->min && $count < $constraint->min) {
Chris@0:                 $this->context->buildViolation($constraint->minMessage)
Chris@0:                     ->setParameter('{{ limit }}', $constraint->min)
Chris@0:                     ->setPlural((int) $constraint->min)
Chris@0:                     ->setCode(Choice::TOO_FEW_ERROR)
Chris@0:                     ->addViolation();
Chris@0: 
Chris@0:                 return;
Chris@0:             }
Chris@0: 
Chris@14:             if (null !== $constraint->max && $count > $constraint->max) {
Chris@0:                 $this->context->buildViolation($constraint->maxMessage)
Chris@0:                     ->setParameter('{{ limit }}', $constraint->max)
Chris@0:                     ->setPlural((int) $constraint->max)
Chris@0:                     ->setCode(Choice::TOO_MANY_ERROR)
Chris@0:                     ->addViolation();
Chris@0: 
Chris@0:                 return;
Chris@0:             }
Chris@17:         } elseif (!\in_array($value, $choices, $constraint->strict)) {
Chris@0:             $this->context->buildViolation($constraint->message)
Chris@0:                 ->setParameter('{{ value }}', $this->formatValue($value))
Chris@0:                 ->setCode(Choice::NO_SUCH_CHOICE_ERROR)
Chris@0:                 ->addViolation();
Chris@0:         }
Chris@0:     }
Chris@0: }