/**
* Create a quantity results model with the provided quantity models,
* sku quantity data from the provided items and an expiration time based
* on the current time offset by the configured quantity cache lifetime.
*
* @param EbayEnterprise_Inventory_Model_Quantity[]
* @param Mage_Sales_Model_Quote_Item_Abstract[]
* @return EbayEnterprise_Inventory_Model_Quantity_Result
*/
public function createQuantityResults(array $quantityResults, array $requestedItems)
{
return Mage::getModel('ebayenterprise_inventory/quantity_results', ['quantities' => $quantityResults, 'expiration_time' => $this->_getQuantityExpirationTime(new DateTime()), 'sku_quantity_data' => $this->_quantityHelper->calculateTotalQuantitiesBySku($requestedItems)]);
}
/**
* Get existing quantity results from the session. Will only return results
* if they are valid and apply to the current state of the provided items.
*
* @param Mage_Sales_Model_Quote_Item[]
* @return EbayEnterprise_Inventory_Model_Quantity_Restults|null
*/
protected function _getSessionResults(array $items)
{
$results = $this->_getInventorySession()->getQuantityResults();
$skuQuantityData = $this->_quantityHelper->calculateTotalQuantitiesBySku($items);
return $results && $results->checkResultsApplyToItems($skuQuantityData) ? $this->_getInventorySession()->getQuantityResults() : null;
}