public function activate_discount()
{
if (isset($this->params['id'])) {
$discount = new discounts($this->params['id']);
$discount->update($this->params);
//if ($discount->discountulator->hasConfig() && empty($discount->config)) {
//flash('messages', $discount->discountulator->name().' requires configuration. Please do so now.');
//redirect_to(array('controller'=>'billing', 'action'=>'configure', 'id'=>$discount->id));
//}
}
expHistory::back();
}
