/**
* Add bundle price range index to Product collection
*
* @param Mage_Catalog_Model_Resource_Product_Collection $collection
* @return Mage_Bundle_Model_Price_Index
*/
public function addPriceIndexToCollection($collection)
{
$productObjects = array();
$productIds = array();
foreach ($collection->getItems() as $product) {
/* @var $product Mage_Catalog_Model_Product */
if ($product->getTypeId() == Mage_Catalog_Model_Product_Type::TYPE_BUNDLE) {
$productIds[] = $product->getEntityId();
$productObjects[$product->getEntityId()] = $product;
}
}
$websiteId = Mage::app()->getStore($collection->getStoreId())->getWebsiteId();
$groupId = Mage::getSingleton('Mage_Customer_Model_Session')->getCustomerGroupId();
$addOptionsToResult = false;
$prices = $this->_getResource()->loadPriceIndex($productIds, $websiteId, $groupId);
foreach ($productIds as $productId) {
if (isset($prices[$productId])) {
$productObjects[$productId]->setData('_price_index', true)->setData('_price_index_min_price', $prices[$productId]['min_price'])->setData('_price_index_max_price', $prices[$productId]['max_price']);
} else {
$addOptionsToResult = true;
}
}
if ($addOptionsToResult) {
$collection->addOptionsToResult();
}
return $this;
}
