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- <?php
- /**
- * This file is part of the ramsey/uuid library
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- *
- * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
- * @license http://opensource.org/licenses/MIT MIT
- */
- declare(strict_types=1);
- namespace Ramsey\Uuid\Rfc4122;
- use DateTimeImmutable;
- use DateTimeInterface;
- use Ramsey\Uuid\Codec\CodecInterface;
- use Ramsey\Uuid\Converter\NumberConverterInterface;
- use Ramsey\Uuid\Converter\TimeConverterInterface;
- use Ramsey\Uuid\Exception\DateTimeException;
- use Ramsey\Uuid\Exception\InvalidArgumentException;
- use Ramsey\Uuid\Rfc4122\FieldsInterface as Rfc4122FieldsInterface;
- use Ramsey\Uuid\Uuid;
- use Throwable;
- use function str_pad;
- use const STR_PAD_LEFT;
- /**
- * Time-based, or version 1, UUIDs include timestamp, clock sequence, and node
- * values that are combined into a 128-bit unsigned integer
- *
- * @psalm-immutable
- */
- final class UuidV1 extends Uuid implements UuidInterface
- {
- /**
- * Creates a version 1 (time-based) UUID
- *
- * @param Rfc4122FieldsInterface $fields The fields from which to construct a UUID
- * @param NumberConverterInterface $numberConverter The number converter to use
- * for converting hex values to/from integers
- * @param CodecInterface $codec The codec to use when encoding or decoding
- * UUID strings
- * @param TimeConverterInterface $timeConverter The time converter to use
- * for converting timestamps extracted from a UUID to unix timestamps
- */
- public function __construct(
- Rfc4122FieldsInterface $fields,
- NumberConverterInterface $numberConverter,
- CodecInterface $codec,
- TimeConverterInterface $timeConverter
- ) {
- if ($fields->getVersion() !== Uuid::UUID_TYPE_TIME) {
- throw new InvalidArgumentException(
- 'Fields used to create a UuidV1 must represent a '
- . 'version 1 (time-based) UUID'
- );
- }
- parent::__construct($fields, $numberConverter, $codec, $timeConverter);
- }
- /**
- * Returns a DateTimeInterface object representing the timestamp associated
- * with the UUID
- *
- * The timestamp value is only meaningful in a time-based UUID, which
- * has version type 1.
- *
- * @return DateTimeImmutable A PHP DateTimeImmutable instance representing
- * the timestamp of a version 1 UUID
- */
- public function getDateTime(): DateTimeInterface
- {
- $time = $this->timeConverter->convertTime($this->fields->getTimestamp());
- try {
- return new DateTimeImmutable(
- '@'
- . $time->getSeconds()->toString()
- . '.'
- . str_pad($time->getMicroseconds()->toString(), 6, '0', STR_PAD_LEFT)
- );
- } catch (Throwable $e) {
- throw new DateTimeException($e->getMessage(), (int) $e->getCode(), $e);
- }
- }
- }
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