Base::mergeProducts

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

	$counter = 0;
	$foundProducts = [];

	foreach ($dealProducts as $dealProduct)
	{
		$index = $this->searchProduct($dealProduct, $orderProducts);
		if ($index === false)
		{
			$basketItem = $this->getBasketItemByEntityProduct($dealProduct, $foundProducts);
			if ($basketItem)
			{
				$dealProduct['BASKET_CODE'] = $basketItem->getBasketCode();
			}
			else
			{
				$dealProduct['BASKET_CODE'] = 'n' . (++$counter);
			}
		}
		else
		{
			if (!$this->getOrder())
			{
				continue;
			}

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

			$dealProduct['BASKET_CODE'] = $basketItem->getBasketCode();
			$dealProduct['QUANTITY'] -= $orderProducts[$index]['QUANTITY'];
		}

		$result[] = $dealProduct;
	}

	return $result;
}