UuidV4 Doctrine DBAL type

uuidv4_type.php

<?php
declare(strict_types=1);

use Pwm\UuidV4\UuidV4;
use Doctrine\DBAL\Platforms\AbstractPlatform;
use Doctrine\DBAL\Types\ConversionException;
use Doctrine\DBAL\Types\Type;

final class UuidV4Type extends Type
{
    public const NAME   = 'uuid_v4';
    public const LENGTH = 36;

    public function getName(): string
    {
        return self::NAME;
    }

    public function convertToPHPValue($value, AbstractPlatform $platform): UuidV4
    {
        $uuid = $value instanceof UuidV4
            ? $value
            : new UuidV4($value);

        if ($uuid instanceof UuidV4) {
            return $uuid;
        }

        throw ConversionException::conversionFailed($value, self::NAME);
    }

    public function convertToDatabaseValue($value, AbstractPlatform $platform): string
    {
        if ($value instanceof UuidV4) {
            return $value->toValue();
        }

        throw ConversionException::conversionFailedInvalidType($value, self::NAME, [UuidV4::class]);
    }

    public function getSQLDeclaration(array $fieldDeclaration, AbstractPlatform $platform): string
    {
        return $platform->getVarcharTypeDeclarationSQL(['length' => self::LENGTH, 'fixed' => true]);
    }

    public function getDefaultLength(AbstractPlatform $platform): int
    {
        return self::LENGTH;
    }

    public function requiresSQLCommentHint(AbstractPlatform $platform): bool
    {
        return true;
    }
}