public function switchType()
{
$db = JFactory::getDBO();
$oldtype = $this->coupon->type;
// Duplicate Coupon at other table
$coupon = new coupon(!$oldtype);
$coupon->createNew($this->coupon->coupon_code, $this->coupon->created_date);
// Switch id over to new table max
$oldid = $this->coupon->id;
$this->coupon->delete();
$this->coupon = $coupon;
// Migrate usage entries
$query = 'UPDATE #__acctexp_couponsxuser' . ' SET `coupon_id` = \'' . $this->coupon->id . '\', `coupon_type` = \'' . $this->coupon->type . '\'' . ' WHERE `coupon_id` = \'' . $oldid . '\' AND `coupon_type` = \'' . $oldtype . '\'';
$db->setQuery($query);
$db->query();
}