95 lines
3.6 KiB
PHP
95 lines
3.6 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Validator\Constraints;
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use Symfony\Component\Validator\Constraint;
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use Symfony\Component\Validator\ConstraintValidator;
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use Symfony\Component\Validator\Context\ExecutionContextInterface;
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use Symfony\Component\Validator\Exception\UnexpectedTypeException;
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/**
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* Provides a base class for the validation of property comparisons.
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*
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* @author Daniel Holmes <daniel@danielholmes.org>
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* @author Bernhard Schussek <bschussek@gmail.com>
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*/
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abstract class AbstractComparisonValidator extends ConstraintValidator
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{
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/**
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* {@inheritdoc}
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*/
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public function validate($value, Constraint $constraint)
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{
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if (!$constraint instanceof AbstractComparison) {
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throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\AbstractComparison');
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}
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if (null === $value) {
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return;
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}
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$comparedValue = $constraint->value;
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// Convert strings to DateTimes if comparing another DateTime
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// This allows to compare with any date/time value supported by
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// the DateTime constructor:
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// http://php.net/manual/en/datetime.formats.php
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if (\is_string($comparedValue)) {
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if ($value instanceof \DateTimeImmutable) {
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// If $value is immutable, convert the compared value to a
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// DateTimeImmutable too
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$comparedValue = new \DateTimeImmutable($comparedValue);
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} elseif ($value instanceof \DateTime || $value instanceof \DateTimeInterface) {
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// Otherwise use DateTime
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$comparedValue = new \DateTime($comparedValue);
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}
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}
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if (!$this->compareValues($value, $comparedValue)) {
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if ($this->context instanceof ExecutionContextInterface) {
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$this->context->buildViolation($constraint->message)
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->setParameter('{{ value }}', $this->formatValue($value, self::OBJECT_TO_STRING | self::PRETTY_DATE))
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->setParameter('{{ compared_value }}', $this->formatValue($comparedValue, self::OBJECT_TO_STRING | self::PRETTY_DATE))
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->setParameter('{{ compared_value_type }}', $this->formatTypeOf($comparedValue))
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->setCode($this->getErrorCode())
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->addViolation();
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} else {
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$this->buildViolation($constraint->message)
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->setParameter('{{ value }}', $this->formatValue($value, self::OBJECT_TO_STRING | self::PRETTY_DATE))
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->setParameter('{{ compared_value }}', $this->formatValue($comparedValue, self::OBJECT_TO_STRING | self::PRETTY_DATE))
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->setParameter('{{ compared_value_type }}', $this->formatTypeOf($comparedValue))
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->setCode($this->getErrorCode())
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->addViolation();
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}
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}
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}
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/**
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* Compares the two given values to find if their relationship is valid.
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*
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* @param mixed $value1 The first value to compare
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* @param mixed $value2 The second value to compare
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*
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* @return bool true if the relationship is valid, false otherwise
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*/
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abstract protected function compareValues($value1, $value2);
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/**
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* Returns the error code used if the comparison fails.
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*
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* @return string|null The error code or `null` if no code should be set
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*/
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protected function getErrorCode()
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{
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}
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}
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