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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 RangeValidator 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 Range) {
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29 throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Range');
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30 }
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31
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32 if (null === $value) {
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33 return;
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34 }
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35
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36 if (!is_numeric($value) && !$value instanceof \DateTimeInterface) {
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37 $this->context->buildViolation($constraint->invalidMessage)
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38 ->setParameter('{{ value }}', $this->formatValue($value, self::PRETTY_DATE))
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39 ->setCode(Range::INVALID_CHARACTERS_ERROR)
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40 ->addViolation();
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41
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42 return;
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43 }
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44
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45 $min = $constraint->min;
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46 $max = $constraint->max;
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47
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48 // Convert strings to DateTimes if comparing another DateTime
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49 // This allows to compare with any date/time value supported by
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50 // the DateTime constructor:
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51 // http://php.net/manual/en/datetime.formats.php
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52 if ($value instanceof \DateTimeInterface) {
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53 if (\is_string($min)) {
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54 $min = new \DateTime($min);
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55 }
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56
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57 if (\is_string($max)) {
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58 $max = new \DateTime($max);
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59 }
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60 }
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61
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62 if (null !== $constraint->max && $value > $max) {
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63 $this->context->buildViolation($constraint->maxMessage)
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64 ->setParameter('{{ value }}', $this->formatValue($value, self::PRETTY_DATE))
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65 ->setParameter('{{ limit }}', $this->formatValue($max, self::PRETTY_DATE))
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66 ->setCode(Range::TOO_HIGH_ERROR)
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67 ->addViolation();
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68
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69 return;
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70 }
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71
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72 if (null !== $constraint->min && $value < $min) {
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73 $this->context->buildViolation($constraint->minMessage)
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74 ->setParameter('{{ value }}', $this->formatValue($value, self::PRETTY_DATE))
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75 ->setParameter('{{ limit }}', $this->formatValue($min, self::PRETTY_DATE))
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76 ->setCode(Range::TOO_LOW_ERROR)
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77 ->addViolation();
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78 }
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79 }
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80 }
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