/**
* Get an order item collection for all items that belong to a given
* order address.
*
* @param Mage_Sales_Model_Order_Address
* @return Mage_Sales_Model_Resource_Order_Item_Collection
*/
public function createItemCollectionForAddress(Mage_Sales_Model_Order_Address $address)
{
$itemFilters = $address->isPrimaryShippingAddress() || $this->_isAddressBillingAddress($address) ? $this->_getPrimaryAddressFilters($address) : $this->_getSecondaryAddressFilters($address);
$items = Mage::getResourceModel('sales/order_item_collection');
foreach ($itemFilters as $field => $conditions) {
$items->addFieldToFilter($field, $conditions);
}
// Add a link to the address object (this) to each item as well as
// ensure all items have the correct order address id (mainly for
// items that may not have an order address id when this is the
// primary shipping address)
$items->setDataToAll(['order_address' => $address, 'order_address_id' => $address->getId()]);
return $items;
}
