/**
* Return discount item qty
*
* @param Mage_Sales_Model_Quote_Item_Abstract $item
* @param Mage_SalesRule_Model_Rule $rule
* @return int
*/
protected function _getItemQty($item, $rule)
{
//@nelkaake: Magento 1.3 and lower doesnt have the item->getTotalQty attribute.
if (Mage::helper('rewards/version')->isBaseMageVersionAtLeast('1.4')) {
$qty = $item->getTotalQty();
} else {
$qty = $item->getQty();
if ($item->getParentItem()) {
$qty *= $item->getParentItem()->getQty();
}
}
return $rule->getDiscountQty() ? min($qty, $rule->getDiscountQty()) : $qty;
}
/**
* Get the quantity requeted for a single item.
*
* @param Mage_Sales_Model_Quote_Item_Abstract
* @return int
*/
public function getRequestedItemQuantity(Mage_Sales_Model_Quote_Item_Abstract $item)
{
// Child item quantity is the static quantity of the child
// item within a single unit of the parent. E.g. a configurable
// product's child item's quantity, will always be 1 - one child in
// the configurable item. Bundle items, however, will be
// the number of the child items in a single unit of the
// parent bundle, depending on how the bundle was configured when
// added to cart - actual quantity of the child is child
// quantity * parent quantity.
$parentItem = $item->getParentItem();
return $item->getQty() * ($parentItem ? $parentItem->getQty() : 1);
}
/**
* returns true if the item is the child of configurable/grouped product
*
* @param Mage_Sales_Model_Quote_Item_Abstract
* @return bool
*/
public function isExcludedItem(Mage_Sales_Model_Quote_Item_Abstract $item)
{
return $item->getParentItem() instanceof Mage_Sales_Model_Quote_Item;
}
/**
* Check if the item is the child of a configurable product.
*
* @param Mage_Sales_Model_Quote_Item_Abstract
* @return bool
*/
protected function itemIsConfigurableChild(Mage_Sales_Model_Quote_Item_Abstract $item)
{
$parentItem = $item->getParentItem();
return $parentItem && $parentItem->getProductType() === Mage_Catalog_Model_Product_Type::TYPE_CONFIGURABLE;
}
/**
* Recalculate child discount. Separate discount between children
*
* @param Mage_Sales_Model_Quote_Item_Abstract $child
* @return Mage_SalesRule_Model_Quote_Discount
*/
protected function _recalculateChildDiscount($child)
{
$item = $child->getParentItem();
$prices = array('base' => $item->getBaseOriginalPrice(), 'current' => $item->getPrice());
$keys = array('discount_amount', 'original_discount_amount');
foreach ($keys as $key) {
$child->setData($key, $child->getData($key) * $child->getPrice() / $prices['current']);
$child->setData('base_' . $key, $child->getData('base_' . $key) * $child->getPrice() / $prices['base']);
}
return $this;
}
