Timsetamp case refactoring

timestamp_refactoring.php

<?php

// see https://gist.github.com/Nex-Otaku/622ce7f2f336f27b4953e85efffa7c45

class Timestamp
{
    private int $intTimestamp;

    private function __construct(int $intTimestamp)
    {
        $this->intTimestamp = $intTimestamp;
    }

    public static function current(): self
    {
        return new self(time());
    }

    public static function fromInt(int $intTimestamp): self
    {
        return new self($intTimestamp);
    }

    public function toInt(): int
    {
        return $this->intTimestamp;
    }

    public function toString(?TimestampFormatterInterface $formatter): string
    {
        if ($formatter === null) {
            $formatter = new DefaultTimestampFormatter();
        }

        return $formatter->format($this->intTimestamp);
    }
}

interface TimestampFormatterInterface
{
    public function format(int $timestamp): string;
}

class DefaultTimestampFormatter implements TimestampFormatterInterface
{
    public function format(int $timestamp): string
    {
        try {
            return (new \DateTime("@{$timestamp}"))
                ->setTimezone(new \DateTimeZone('Europe/Moscow'))
                ->format('Y-m-d H:i:s');
        } catch (\Exception $exception) {
            throw new \LogicException("Не удалось сконвертировать время, Timestamp: {$timestamp}");
        }
    }
}