/**
* @return Cart|null
*/
function merx_current_cart()
{
if (!config("merx.uses_session", true)) {
// If Merx can't use the session, there is no way
// he could find the current Cart from nowhere
return null;
}
$cartId = session("merx_cart_id");
if (!$cartId) {
return null;
}
return Cart::find($cartId);
}
/**
* @param integer|null $cartId
* @return Cart|null
*/
private function existingCart($cartId = null)
{
return $cartId ? Cart::find($cartId) : merx_current_cart();
}
