invoice.php

См. документацию.

<?php
 
namespace Bitrix\Sale\Exchange\Entity;
 
 
use Bitrix\Crm\Invoice\EntityMarker;
use Bitrix\Main\ArgumentException;
use Bitrix\Sale\Exchange\EntityType;
use Bitrix\Sale\Internals\Entity;
use Bitrix\Sale\Order;
 
class Invoice extends OrderImport
{
    public function getOwnerTypeId()
    {
        return EntityType::INVOICE;
    }

    protected function addMarker($invoice, $entity, $result)
    {
        EntityMarker::addMarker($invoice, $entity, $result);
    }

    protected function createEntity(array $fileds)
    {
        return \Bitrix\Crm\Invoice\Invoice::create($this->settings->getSiteId(), $fileds['USER_ID'], $this->settings->getCurrency());
    }

    protected function loadParentEntity(array $fields)
    {
        $entity = null;
 
        if(!empty($fields['ID']))
        {
            $entity = \Bitrix\Crm\Invoice\Invoice::load($fields['ID']);
        }
        return $entity;
    }

    public static function resolveEntityTypeId(Entity $order)
    {
        if(!($order instanceof Order))
            throw new ArgumentException("Entity must be instanceof Order");
 
        return EntityType::INVOICE;
    }

    protected function getShipmentTypeId()
    {
        return EntityType::INVOICE_SHIPMENT;
    }
}