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1 <?php
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2
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3 /*
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4 * This file is part of the Symfony package.
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5 *
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6 * (c) Fabien Potencier <fabien@symfony.com>
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7 *
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8 * For the full copyright and license information, please view the LICENSE
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9 * file that was distributed with this source code.
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10 */
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11
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12 namespace Symfony\Component\Validator\Constraints;
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13
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14 use Symfony\Component\Validator\Constraint;
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15 use Symfony\Component\Validator\ConstraintValidator;
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16 use Symfony\Component\Validator\Exception\UnexpectedTypeException;
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17
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18 /**
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19 * @author Bernhard Schussek <bschussek@gmail.com>
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20 */
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21 class CountValidator extends ConstraintValidator
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22 {
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23 /**
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24 * {@inheritdoc}
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25 */
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26 public function validate($value, Constraint $constraint)
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27 {
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28 if (!$constraint instanceof Count) {
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29 throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Count');
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30 }
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31
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32 if (null === $value) {
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33 return;
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34 }
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35
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36 if (!\is_array($value) && !$value instanceof \Countable) {
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37 throw new UnexpectedTypeException($value, 'array or \Countable');
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38 }
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39
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40 $count = \count($value);
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41
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42 if (null !== $constraint->max && $count > $constraint->max) {
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43 $this->context->buildViolation($constraint->min == $constraint->max ? $constraint->exactMessage : $constraint->maxMessage)
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44 ->setParameter('{{ count }}', $count)
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45 ->setParameter('{{ limit }}', $constraint->max)
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46 ->setInvalidValue($value)
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47 ->setPlural((int) $constraint->max)
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48 ->setCode(Count::TOO_MANY_ERROR)
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49 ->addViolation();
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50
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51 return;
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52 }
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53
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54 if (null !== $constraint->min && $count < $constraint->min) {
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55 $this->context->buildViolation($constraint->min == $constraint->max ? $constraint->exactMessage : $constraint->minMessage)
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56 ->setParameter('{{ count }}', $count)
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57 ->setParameter('{{ limit }}', $constraint->min)
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58 ->setInvalidValue($value)
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59 ->setPlural((int) $constraint->min)
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60 ->setCode(Count::TOO_FEW_ERROR)
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61 ->addViolation();
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62 }
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63 }
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64 }
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