/**
* Given an ISC_QUOTE_ITEM instance, add it to this quote.
*
* @param ISC_QUOTE_ITEM $item ISC_QUOTE_ITEM instance to add.
* @param boolean Attempt to increment quantities if this item already exists or not.
* @return ISC_QUOTE This quote instance.
*/
public function addItem(ISC_QUOTE_ITEM $item, $collapse = true)
{
$hash = $item->getHash();
if ($collapse != false) {
foreach ($this->items as $existingItem) {
if ($item->getProductId() && $existingItem->getHash() == $hash) {
$existingItem->incrementQuantity($item->getQuantity());
return $this;
}
}
}
$item->setQuote($this);
try {
$this->items[] = $item;
$item->setInQuote(true);
}
catch(ISC_QUOTE_EXCEPTION $e) {
// Remove the item from the quote.
array_pop($this->items);
$item->setInQuote(false);
throw $e;
}
return $this;
}
