171 lines
		
	
	
		
			6.0 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			171 lines
		
	
	
		
			6.0 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\Serializer\Normalizer;
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use Symfony\Component\Serializer\Exception\InvalidArgumentException;
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use Symfony\Component\Serializer\Exception\NotNormalizableValueException;
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/**
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 * Normalizes an object implementing the {@see \DateTimeInterface} to a date string.
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 * Denormalizes a date string to an instance of {@see \DateTime} or {@see \DateTimeImmutable}.
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 *
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 * @author Kévin Dunglas <dunglas@gmail.com>
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 */
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final class DateTimeNormalizer implements NormalizerInterface, DenormalizerInterface
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{
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    public const FORMAT_KEY = 'datetime_format';
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    public const TIMEZONE_KEY = 'datetime_timezone';
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    public const CAST_KEY = 'datetime_cast';
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    private array $defaultContext = [
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        self::FORMAT_KEY => \DateTimeInterface::RFC3339,
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        self::TIMEZONE_KEY => null,
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        self::CAST_KEY => null,
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    ];
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    private const SUPPORTED_TYPES = [
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        \DateTimeInterface::class => true,
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        \DateTimeImmutable::class => true,
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        \DateTime::class => true,
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    ];
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    public function __construct(array $defaultContext = [])
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    {
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        $this->setDefaultContext($defaultContext);
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    }
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    public function setDefaultContext(array $defaultContext): void
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    {
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        $this->defaultContext = array_merge($this->defaultContext, $defaultContext);
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    }
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    public function getSupportedTypes(?string $format): array
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    {
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        return self::SUPPORTED_TYPES;
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    }
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    /**
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     * @throws InvalidArgumentException
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     */
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    public function normalize(mixed $data, ?string $format = null, array $context = []): int|float|string
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    {
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        if (!$data instanceof \DateTimeInterface) {
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            throw new InvalidArgumentException('The object must implement the "\DateTimeInterface".');
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        }
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        $dateTimeFormat = $context[self::FORMAT_KEY] ?? $this->defaultContext[self::FORMAT_KEY];
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        $timezone = $this->getTimezone($context);
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        if (null !== $timezone) {
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            $data = clone $data;
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            $data = $data->setTimezone($timezone);
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        }
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        return match ($context[self::CAST_KEY] ?? $this->defaultContext[self::CAST_KEY] ?? false) {
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            'int' => (int) $data->format($dateTimeFormat),
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            'float' => (float) $data->format($dateTimeFormat),
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            default => $data->format($dateTimeFormat),
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        };
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    }
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    public function supportsNormalization(mixed $data, ?string $format = null, array $context = []): bool
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    {
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        return $data instanceof \DateTimeInterface;
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    }
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    /**
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     * @throws NotNormalizableValueException
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     */
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    public function denormalize(mixed $data, string $type, ?string $format = null, array $context = []): \DateTimeInterface
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    {
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        if (\is_int($data) || \is_float($data)) {
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            switch ($context[self::FORMAT_KEY] ?? $this->defaultContext[self::FORMAT_KEY] ?? null) {
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                case 'U':
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                    $data = \sprintf('%d', $data);
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                    break;
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                case 'U.u':
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                    $data = \sprintf('%.6F', $data);
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                    break;
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            }
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        }
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        if (!\is_string($data) || '' === trim($data)) {
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            throw NotNormalizableValueException::createForUnexpectedDataType('The data is either not an string, an empty string, or null; you should pass a string that can be parsed with the passed format or a valid DateTime string.', $data, ['string'], $context['deserialization_path'] ?? null, true);
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        }
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        try {
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            if (\DateTimeInterface::class === $type) {
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                $type = \DateTimeImmutable::class;
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            }
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            $timezone = $this->getTimezone($context);
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            $dateTimeFormat = $context[self::FORMAT_KEY] ?? null;
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            if (null !== $dateTimeFormat) {
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                if (false !== $object = $type::createFromFormat($dateTimeFormat, $data, $timezone)) {
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                    return $object;
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                }
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                $dateTimeErrors = $type::getLastErrors();
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                throw NotNormalizableValueException::createForUnexpectedDataType(\sprintf('Parsing datetime string "%s" using format "%s" resulted in %d errors: ', $data, $dateTimeFormat, $dateTimeErrors['error_count'])."\n".implode("\n", $this->formatDateTimeErrors($dateTimeErrors['errors'])), $data, ['string'], $context['deserialization_path'] ?? null, true);
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            }
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            $defaultDateTimeFormat = $this->defaultContext[self::FORMAT_KEY] ?? null;
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            if (null !== $defaultDateTimeFormat) {
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                if (false !== $object = $type::createFromFormat($defaultDateTimeFormat, $data, $timezone)) {
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                    return $object;
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                }
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            }
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            return new $type($data, $timezone);
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        } catch (NotNormalizableValueException $e) {
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            throw $e;
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        } catch (\Exception $e) {
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            throw NotNormalizableValueException::createForUnexpectedDataType($e->getMessage(), $data, ['string'], $context['deserialization_path'] ?? null, false, $e->getCode(), $e);
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        }
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    }
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    public function supportsDenormalization(mixed $data, string $type, ?string $format = null, array $context = []): bool
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    {
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        return is_a($type, \DateTimeInterface::class, true);
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    }
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    /**
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     * Formats datetime errors.
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     *
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     * @return string[]
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     */
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    private function formatDateTimeErrors(array $errors): array
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    {
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        $formattedErrors = [];
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        foreach ($errors as $pos => $message) {
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            $formattedErrors[] = \sprintf('at position %d: %s', $pos, $message);
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        }
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        return $formattedErrors;
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    }
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    private function getTimezone(array $context): ?\DateTimeZone
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    {
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        $dateTimeZone = $context[self::TIMEZONE_KEY] ?? $this->defaultContext[self::TIMEZONE_KEY];
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        if (null === $dateTimeZone) {
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            return null;
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        }
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        return $dateTimeZone instanceof \DateTimeZone ? $dateTimeZone : new \DateTimeZone($dateTimeZone);
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    }
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}
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