123 lines
4.4 KiB
PHP
123 lines
4.4 KiB
PHP
<?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\PropertyAccess\Exception\NoSuchPropertyException;
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use Symfony\Component\PropertyAccess\PropertyAccess;
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use Symfony\Component\PropertyAccess\PropertyAccessorInterface;
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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\Exception\ConstraintDefinitionException;
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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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private $propertyAccessor;
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public function __construct(PropertyAccessorInterface $propertyAccessor = null)
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{
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$this->propertyAccessor = $propertyAccessor;
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}
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/**
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* {@inheritdoc}
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*/
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public function validate($value, Constraint $constraint)
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{
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if (!$constraint instanceof AbstractComparison) {
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throw new UnexpectedTypeException($constraint, AbstractComparison::class);
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}
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if (null === $value) {
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return;
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}
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if ($path = $constraint->propertyPath) {
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if (null === $object = $this->context->getObject()) {
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return;
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}
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try {
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$comparedValue = $this->getPropertyAccessor()->getValue($object, $path);
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} catch (NoSuchPropertyException $e) {
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throw new ConstraintDefinitionException(sprintf('Invalid property path "%s" provided to "%s" constraint: ', $path, get_debug_type($constraint)).$e->getMessage(), 0, $e);
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}
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} else {
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$comparedValue = $constraint->value;
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}
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// Convert strings to DateTimes if comparing another DateTime
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// This allows to compare with any date/time value supported by
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// the DateTime constructor:
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// https://php.net/datetime.formats
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if (\is_string($comparedValue) && $value instanceof \DateTimeInterface) {
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// If $value is immutable, convert the compared value to a DateTimeImmutable too, otherwise use DateTime
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$dateTimeClass = $value instanceof \DateTimeImmutable ? \DateTimeImmutable::class : \DateTime::class;
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try {
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$comparedValue = new $dateTimeClass($comparedValue);
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} catch (\Exception $e) {
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throw new ConstraintDefinitionException(sprintf('The compared value "%s" could not be converted to a "%s" instance in the "%s" constraint.', $comparedValue, $dateTimeClass, get_debug_type($constraint)));
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}
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}
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if (!$this->compareValues($value, $comparedValue)) {
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$violationBuilder = $this->context->buildViolation($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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if (null !== $path) {
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$violationBuilder->setParameter('{{ compared_value_path }}', $path);
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}
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$violationBuilder->addViolation();
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}
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}
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private function getPropertyAccessor(): PropertyAccessorInterface
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{
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if (null === $this->propertyAccessor) {
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$this->propertyAccessor = PropertyAccess::createPropertyAccessor();
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}
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return $this->propertyAccessor;
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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 $value2 The second value to compare
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*
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* @return bool
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*/
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abstract protected function compareValues($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
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*/
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protected function getErrorCode()
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{
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return null;
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}
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}
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