105 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
		
		
			
		
	
	
			105 lines
		
	
	
		
			4.0 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\PropertyAccess\Exception\NoSuchPropertyException;
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								use Symfony\Component\PropertyAccess\Exception\UninitializedPropertyException;
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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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								    public function __construct(private ?PropertyAccessorInterface $propertyAccessor = null)
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								    {
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								    }
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								    public function validate(mixed $value, Constraint $constraint): void
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								    {
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								        if (!$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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								            } catch (UninitializedPropertyException) {
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								                $comparedValue = null;
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								            }
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								        } else {
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								            $comparedValue = $constraint->value;
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								        }
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								        // Convert strings to date-time objects if comparing to another date-time object
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								        // This allows to compare with any date/time value supported by date-time constructors:
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								        // https://php.net/datetime.formats
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								        if (\is_string($comparedValue) && $value instanceof \DateTimeInterface) {
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								            try {
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								                $comparedValue = new $value($comparedValue);
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								            } catch (\Exception) {
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								                throw new ConstraintDefinitionException(\sprintf('The compared value "%s" could not be converted to a "%s" instance in the "%s" constraint.', $comparedValue, get_debug_type($value), 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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								        return $this->propertyAccessor ??= PropertyAccess::createPropertyAccessor();
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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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								    abstract protected function compareValues(mixed $value1, mixed $value2): bool;
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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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								    protected function getErrorCode(): ?string
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								    {
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								        return null;
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								    }
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								}
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