/**
* Adding new item to quote
*
* @param \Magento\Sales\Model\Quote\Item $item
* @return $this
* @throws \Magento\Framework\Model\Exception
*/
public function addItem(\Magento\Sales\Model\Quote\Item $item)
{
/**
* Temporary workaround for purchase process: it is too dangerous to purchase more than one nominal item
* or a mixture of nominal and non-nominal items, although technically possible.
*
* The problem is that currently it is implemented as sequential submission of nominal items and order,
* by one click. It makes logically impossible to make the process of the purchase failsafe.
* Proper solution is to submit items one by one with customer confirmation each time.
*/
if ($item->isNominal() && $this->hasItems() || $this->hasNominalItems()) {
throw new \Magento\Framework\Model\Exception(__('Sorry, but items with payment agreements must be ordered one at a time To continue, please remove or buy the other items in your cart, then order this item by itself.'));
}
$item->setQuote($this);
if (!$item->getId()) {
$this->getItemsCollection()->addItem($item);
$this->_eventManager->dispatch('sales_quote_add_item', array('quote_item' => $item));
}
return $this;
}
