Selling::mergeProducts

public function mergeProducts($orderProducts, $dealProducts): array
{
	$result = [];

	$counter = 0;
	$foundProducts = [];

	foreach ($dealProducts as $product)
	{
		$index = $this->searchProduct($product, $orderProducts);
		if ($index === false)
		{
			$basketItem = $this->getBasketItemByEntityProduct($product, $foundProducts, true);
			if ($basketItem)
			{
				if ($product['QUANTITY'] <= $basketItem->getQuantity())
				{
					continue;
				}

				$product['BASKET_CODE'] = $basketItem->getBasketCode();
				$product['QUANTITY'] -= $basketItem->getQuantity();
			}
			else
			{
				$product['BASKET_CODE'] = 'n'.(++$counter);
			}
		}
		else
		{
			if (!$this->getOrder())
			{
				continue;
			}

			$basketItem = $this->getOrder()->getBasket()->getItemByBasketCode($orderProducts[$index]['BASKET_CODE']);
			if (!$basketItem)
			{
				continue;
			}

			$product['BASKET_CODE'] = $basketItem->getBasketCode();

			$product['QUANTITY'] = $orderProducts[$index]['QUANTITY'];
		}

		$result[] = $product;
	}

	return $result;
}