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