93 lines
2.7 KiB
PHP
93 lines
2.7 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\Validator\Constraint;
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use Symfony\Component\Validator\ConstraintValidator;
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use Symfony\Component\Validator\Exception\UnexpectedTypeException;
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use Symfony\Component\Validator\Exception\UnexpectedValueException;
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/**
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* Validates whether a value is a valid timezone identifier.
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*
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* @author Javier Spagnoletti <phansys@gmail.com>
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* @author Hugo Hamon <hugohamon@neuf.fr>
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*/
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class TimezoneValidator 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 Timezone) {
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throw new UnexpectedTypeException($constraint, Timezone::class);
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}
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if (null === $value || '' === $value) {
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return;
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}
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if (!is_scalar($value) && !(\is_object($value) && method_exists($value, '__toString'))) {
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throw new UnexpectedValueException($value, 'string');
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}
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$value = (string) $value;
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// @see: https://bugs.php.net/bug.php?id=75928
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if ($constraint->countryCode) {
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$timezoneIds = \DateTimeZone::listIdentifiers($constraint->zone, $constraint->countryCode);
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} else {
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$timezoneIds = \DateTimeZone::listIdentifiers($constraint->zone);
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}
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if ($timezoneIds && \in_array($value, $timezoneIds, true)) {
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return;
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}
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if ($constraint->countryCode) {
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$code = Timezone::TIMEZONE_IDENTIFIER_IN_COUNTRY_ERROR;
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} elseif (\DateTimeZone::ALL !== $constraint->zone) {
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$code = Timezone::TIMEZONE_IDENTIFIER_IN_ZONE_ERROR;
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} else {
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$code = Timezone::TIMEZONE_IDENTIFIER_ERROR;
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}
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$this->context->buildViolation($constraint->message)
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->setParameter('{{ value }}', $this->formatValue($value))
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->setCode($code)
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->addViolation();
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}
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/**
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* {@inheritdoc}
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*/
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public function getDefaultOption()
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{
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return 'zone';
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}
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/**
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* {@inheritdoc}
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*/
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protected function formatValue($value, $format = 0)
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{
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$value = parent::formatValue($value, $format);
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if (!$value || \DateTimeZone::PER_COUNTRY === $value) {
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return $value;
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}
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return array_search($value, (new \ReflectionClass(\DateTimeZone::class))->getConstants(), true) ?: $value;
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}
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}
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