static function _subtractProductObjStock($obj, $item, $controller, $isInverse, $configKey = NULL)
{
if ($controller->getObjKrcoConfig('track_inventory', $configKey) === FALSE) {
return;
}
if (!$obj) {
return;
}
$agg = NULL;
$needsUpdate = FALSE;
if (!is_null($controller->getKrcoConfigValue('cart', 'custom_track_inventory'))) {
$tracker = $controller->getKrcoConfigValue('cart', 'custom_track_inventory');
$tracker($obj, $item);
$needsUpdate = TRUE;
}
if (is_callable(array($obj, 'getTotalInventory'))) {
$qty = $obj->getTotalInventory();
$q = $item->getQuantity();
if ($isInverse) {
$q *= -1;
}
$newStock = $obj->getTotalInventory() - $q;
$obj->setTotalInventory($newStock);
self::applySoldStockChange($obj, $q);
if ($agg = self::getAggregator($obj, $controller)) {
self::applySoldStockChange($agg, $q);
}
self::_processLowStock($obj, $controller);
$needsUpdate = TRUE;
}
if ($needsUpdate) {
$theConfigKey = 'products';
if ($configKey) {
$theConfigKey = $configKey;
}
$db_name = $controller->getKrcoConfigValue($theConfigKey, 'db');
$update_method = 'update' . $controller->getKrcoConfigValue($theConfigKey, 'db_name');
$controller->dbUpdateObject($db_name, $update_method, array($obj));
Helper_Krco::afterUpdateProduct($controller, $obj);
if (!empty($agg)) {
$controller->dbUpdateObject($db_name, $update_method, array($agg));
}
}
}
