lubo_comment_query/app/Models/Casts/Uuid.php

<?php

namespace App\Models\Casts;

use Illuminate\Contracts\Database\Eloquent\CastsAttributes;
use Ramsey\Uuid\Uuid as UuidConvert;
use Ramsey\Uuid\UuidInterface;

class Uuid implements CastsAttributes
{
    public function get($model, string $key, $value, array $attributes): ?UuidInterface
    {
        if ($value !== null && UuidConvert::isValid($value)) {
            return UuidConvert::fromString($value);
        }

        return null;
    }

    public function set($model, string $key, $value, array $attributes): ?string
    {
        return (string) $value;
    }
}