keuangan/app/Domains/Billing/DTOs/Invoicing/InvoiceItemDTO.php

<?php

namespace App\Domains\Billing\DTOs\Invoicing;

use App\Domains\System\Support\ValueObjects\Money;

readonly class InvoiceItemDTO
{
    public PricingDTO $pricing;

    /**
     * @param string $code
     * @param string $name
     * @param float $quantity
     * @param int $product_id
     * @param ?int $coa_id
     * @param ?int $invoice_id
     */
    public function __construct(
        public string $code,
        public string $name,
        public float $quantity,
        public int $product_id,
        public ?int $coa_id,
        public ?int $invoice_id = null
    ) {}

    public function setPricing(Money $price, ?Money $discount = null): void
    {
        $netAmount = $price->toInt() * $this->quantity;

        $this->pricing = new PricingDTO(
            gross_amount: $price,
            discount_amount: $discount ?: new Money(0),
            net_amount: new Money($netAmount),
        );
    }
}