public static function get_by_buyable($buyable)
{
$obj = BuyableStockCalculatedQuantity::get()->filter(array('BuyableID' => $buyable->ID, 'BuyableClassName' => $buyable->ClassName))->First();
if ($obj) {
//do nothing
} else {
$obj = new BuyableStockCalculatedQuantity();
$obj->BuyableID = $buyable->ID;
$obj->BuyableClassName = $buyable->ClassName;
}
if ($obj) {
if (isset($obj->ID) && $obj->exists() && $obj->UnlimitedStock == $buyable->UnlimitedStock) {
//do nothing
} else {
$obj->UnlimitedStock = $buyable->UnlimitedStock;
//we must write here to calculate quantities
$obj->write();
}
return $obj;
}
user_error("Could not find / create BuyableStockCalculatedQuantity for buyable with ID / ClassName " . $buyableID . "/" . $buyableClassName, E_WARNING);
}