How to add a product to an existing order?

Question

1C-Bitrix

Hello.
Suggest how to add a product to an already created order? I have functionality for a specific group of users who make orders. They have their own admin who checks orders. That is, he sees a list of all orders and the goods in them (this is all implemented on the front). It is necessary to make it possible to add a new product to any order.

Answer 1

1) You need to add the product to the order basket:

//$products массив id товаров, которые надо добавить
$basket = $order->getBasket();

$quantity = 1;
foreach ($products as $productId) {
    $item = $basket->createItem('catalog', $productId);
    $item->setFields(array(
        'CURRENCY' => \Bitrix\Currency\CurrencyManager::getBaseCurrency(),
        'LID' => \Bitrix\Main\Context::getCurrent()->getSite(),
        'PRODUCT_PROVIDER_CLASS' => 'CCatalogProductProvider',
    ));
    $item->setField("QUANTITY", quantity);
    $newBasketItems[] = $item;
}

2) Add new items from the cart to the shipment (or create a new shipment and add it there)

//В этом примере товары добавляются в первую попавшуюся НЕ СИСТЕМНУЮ отгрузку.
$shipmentCollection = $order->getShipmentCollection();
foreach ($shipmentCollection as $shipment) {
    if (!$shipment->isSystem()) {
        foreach ($newBasketItems as $newBasketItem) {
            /** @var \Bitrix\Sale\Shipment $shipment */
            $shipmentItemCollection = $shipment->getShipmentItemCollection();
            $shipmentItem = $shipmentItemCollection->createItem($newBasketItem);
            $shipmentItem->setQuantity($item->getQuantity());
        }
        break;
    }
}

3) Recalculate the order

$discount = $order->getDiscount();
\Bitrix\Sale\DiscountCouponsManager::clearApply(true);
\Bitrix\Sale\DiscountCouponsManager::useSavedCouponsForApply(true);
$discount->setOrderRefresh(true);
$discount->setApplyResult(array());

/** @var \Bitrix\Sale\Basket $basket */
if (!($basket = $order->getBasket())) {
   throw new \Bitrix\Main\ObjectNotFoundException('Entity "Basket" not found');
}

$basket->refreshData(array('PRICE', 'COUPONS'));
$discount->calculate();
$order->save();