date-time/src/UtcDateTime.php at 0fe39f0b6ccd0d957af8a43ce0771eeb4e3a55b8 · brick/date-time · GitHub

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<?php

declare(strict_types=1);

namespace Brick\DateTime;

use Brick\DateTime\Parser\DateTimeParser;
use Brick\DateTime\Parser\DateTimeParseResult;

final class UtcDateTime extends ZonedDateTime
{
    public static function of(LocalDateTime $dateTime, TimeZone $timeZone = null): ZonedDateTime
    {
        if ($timeZone === null) {
            $timeZone = TimeZone::utc();
        }
        if (!$timeZone->isEqualTo(TimeZone::utc())) {
            throw new \InvalidArgumentException('Create UtcDateTime with not UTC timezone is not supported');
        }
        return parent::of($dateTime, $timeZone);
    }

    public static function ofInstant(Instant $instant, TimeZone $timeZone = null): ZonedDateTime
    {
        if ($timeZone === null) {
            $timeZone = TimeZone::utc();
        }
        if (!$timeZone->isEqualTo(TimeZone::utc())) {
            throw new \InvalidArgumentException('Create UtcDateTime with not UTC timezone is not supported');
        }
        return parent::ofInstant($instant, $timeZone);
    }

    public static function now(TimeZone $timeZone = null, ?Clock $clock = null): ZonedDateTime
    {
        if ($timeZone === null) {
            $timeZone = TimeZone::utc();
        }
        if (!$timeZone->isEqualTo(TimeZone::utc())) {
            throw new \InvalidArgumentException('Create UtcDateTime with not UTC timezone is not supported');
        }
        return parent::now($timeZone, $clock);
    }

    public static function from(DateTimeParseResult $result): ZonedDateTime
    {
        $result = parent::from($result);
        if (!$result->getTimeZone()->isEqualTo(TimeZone::utc())) {
            $result = $result->withTimeZoneSameInstant(TimeZone::utc());
        }
        return $result;
    }

    public static function parse(string $text, ?DateTimeParser $parser = null): ZonedDateTime
    {
        $result = parent::parse($text, $parser);
        if (!$result->getTimeZone()->isEqualTo(TimeZone::utc())) {
            $result = $result->withTimeZoneSameInstant(TimeZone::utc());
        }
        return $result;
    }

    public static function fromDateTime(\DateTimeInterface $dateTime): ZonedDateTime
    {
        $result = parent::fromDateTime($dateTime);
        if (!$result->getTimeZone()->isEqualTo(TimeZone::utc())) {
            $result = $result->withTimeZoneSameInstant(TimeZone::utc());
        }
        return $result;
    }
}