/**
* Allows access to the cart from anywhere in code.
* @return ShoppingCart Object
*/
public static function singleton()
{
if (!self::$singletoncart) {
self::$singletoncart = new ShoppingCart();
}
return self::$singletoncart;
}
/**
* Clears the cart contents completely by removing the orderID from session, and
* thus creating a new cart on next request.
* @return Boolean
*/
public function clear()
{
//we keep this here so that a flush can be added...
set_time_limit(1200);
self::$singletoncart = null;
$this->order = null;
$this->messages = array();
foreach (self::$session_variable_names as $name) {
$sessionVariableName = $this->sessionVariableName($name);
Session::set($sessionVariableName, null);
Session::clear($sessionVariableName);
Session::save();
}
$memberID = Intval(Member::currentUserID());
if ($memberID) {
$orders = Order::get()->filter(array("MemberID" => $memberID));
if ($orders && $orders->count()) {
foreach ($orders as $order) {
if (!$order->IsSubmitted()) {
$order->delete();
}
}
}
}
return true;
}