/**
* Test if the item needs to have its quantity checked for available
* inventory.
* @param Mage_Sales_Model_Quote_Item $item The item to check
* @return bool True if inventory is managed, false if not
*/
public function isItemInventoried(Mage_Sales_Model_Quote_Item $item)
{
// never consider a child product as inventoried, allow the parent deal
// with inventory and let the child not need to worry about it as the parent
// will be the item to keep track of qty being ordered.
// Both checks needed as child items will not have a parent item id prior
// to being saved and a parent item prior to being added to the parent (e.g.
// immediately after being loaded from the DB).
if ($item->getParentItemId() || $item->getParentItem()) {
return false;
}
// when dealing with parent items, if any child of the product is managed
// stock, consider the entire item as managed stock - allows for the parent
// config product in the quote to deal with inventory while allowing child
// products to not care individually
if ($item->getHasChildren()) {
foreach ($item->getChildren() as $childItem) {
$childStock = $childItem->getProduct()->getStockItem();
if ($this->isManagedStock($childStock)) {
// This Parent is inventoried. Child's ROM setting is 'No backorders', and Manage Stock check hasn't been manually overridden
return true;
}
}
// if none of the children were managed stock, the parent is not inventoried
return false;
}
return $this->isManagedStock($item->getProduct()->getStockItem());
}
/**
* Gets the item information for standard items or child items of configurable products
*
* @param Mage_Sales_Model_Quote_Item $item
* @param bool $cartFreeShipping
* @return Webshopapps_Wsacommon_Model_Totals
*/
protected function _getStdWeightQtyTotals($item, $cartFreeShipping)
{
$finalTotals = new Webshopapps_Wsacommon_Model_Totals();
$addressWeight = 0;
$addressQty = 0;
$freeMethodWeight = 0;
if ($item->getHasChildren() && ($item->isShipSeparately() || $item->getProduct()->getTypeId() == Mage_Catalog_Model_Product_Type::TYPE_CONFIGURABLE)) {
foreach ($item->getChildren() as $child) {
if ($child->getProduct()->isVirtual()) {
continue;
}
$addressQty += $item->getQty() * $child->getQty();
$itemWeight = $child->getWeight();
$itemQty = $child->getTotalQty();
$rowWeight = $itemWeight * $itemQty;
if ($cartFreeShipping || $child->getFreeShipping() === true) {
$rowWeight = 0;
} elseif (is_numeric($child->getFreeShipping())) {
$freeQty = $child->getFreeShipping();
if ($itemQty > $freeQty) {
$rowWeight = $itemWeight * ($itemQty - $freeQty);
} else {
$rowWeight = 0;
}
}
$freeMethodWeight += $rowWeight;
$addressWeight += $rowWeight;
}
} else {
$addressQty += $item->getQty();
$itemWeight = $item->getWeight();
$rowWeight = $itemWeight * $item->getQty();
$addressWeight += $rowWeight;
if ($cartFreeShipping || $item->getFreeShipping() === true) {
$rowWeight = 0;
} elseif (is_numeric($item->getFreeShipping())) {
$freeQty = $item->getFreeShipping();
if ($item->getQty() > $freeQty) {
$rowWeight = $itemWeight * ($item->getQty() - $freeQty);
} else {
$rowWeight = 0;
}
}
$freeMethodWeight += $rowWeight;
}
$finalTotals->setWeight($addressWeight);
$finalTotals->setFreeMethodWeight($freeMethodWeight);
// TODO This wasnt in original, needs checking
$finalTotals->setQty($addressQty);
return $finalTotals;
}
/**
* Delete quote item. If it does not have identifier then it will be only removed from collection
*
* @param Mage_Sales_Model_Quote_Item $item
* @return Mage_Sales_Model_Quote
*/
public function deleteItem(Mage_Sales_Model_Quote_Item $item)
{
if ($item->getId()) {
$this->removeItem($item->getId());
} else {
$quoteItems = $this->getItemsCollection();
$items = array($item);
if ($item->getHasChildren()) {
foreach ($item->getChildren() as $child) {
$items[] = $child;
}
}
foreach ($quoteItems as $key => $quoteItem) {
foreach ($items as $item) {
if ($quoteItem->compare($item)) {
$quoteItems->removeItemByKey($key);
}
}
}
}
return $this;
}
/**
* Adds all the items to an array including any child items.
* No need to check if item is valid. This is called after totals which already does the validation
*
* @param Array $itemGroup - The array which is passed back by reference
* @param Mage_Sales_Model_Quote_Item $item - The item to process
*/
private static function processItemGroup(&$itemGroup, $item)
{
if ($item->getHasChildren() && $item->isShipSeparately()) {
foreach ($item->getChildren() as $child) {
$itemGroup[] = $child;
}
} else {
$itemGroup[] = $item;
}
}
