keuangan/app/Domains/Finance/Casts/MoneyCurrency.php

<?php

namespace App\Domains\Finance\Casts;

use App\Domains\Finance\Support\ValueObjects\Money;
use Illuminate\Contracts\Database\Eloquent\CastsAttributes;
use Illuminate\Database\Eloquent\Model;
use InvalidArgumentException;

class MoneyCurrency implements CastsAttributes
{
    public function get(Model $model, string $key, mixed $value, array $attributes): ?Money
    {
        if (is_null($value)) {
            return null;
        }

        return new Money((float) $value);
    }

    public function set(Model $model, string $key, mixed $value, array $attributes): ?float
    {
        if (is_null($value)) {
            return null;
        }

        if ($value instanceof Money) {
            return $value->toFloat();
        }

        if (is_numeric($value)) {
            return (float) $value;
        }

        throw new InvalidArgumentException("The {$key} attribute must be an float or an instance of Money.");
    }
}