/**
  * Function to process the form
  *
  * @access public
  * @return None
  */
 public function postProcess()
 {
     if ($this->_action & CRM_Core_Action::DELETE) {
         CRM_CiviDiscount_BAO_Item::del($this->_id);
         CRM_Core_Session::setStatus(ts('Selected Discount has been deleted.'), ts('Deleted'), 'success');
         return;
     }
     if ($this->_action & CRM_Core_Action::COPY) {
         $params = $this->exportValues();
         $newCode = CRM_CiviDiscount_Utils::randomString('abcdefghjklmnpqrstwxyz23456789', 8);
         CRM_CiviDiscount_BAO_Item::copy($this->_cloneID, $params, $newCode);
         CRM_Core_Session::setStatus(ts('Selected Discount has been duplicated.'), ts('Copied'), 'success');
         return;
     }
     $params = $this->exportValues();
     $params['count_max'] = (int) $params['count_max'];
     if ($this->_action & CRM_Core_Action::UPDATE) {
         $params['id'] = $this->_id;
     }
     $params['multi_valued'] = $this->_multiValued;
     if (isset($params['events']) && in_array(0, $params['events']) && count($params['events']) > 1) {
         CRM_Core_Session::setStatus(ts('You selected `any event` and specific events, specific events have been unset'));
         $params['events'] = array(0);
     }
     if (!empty($params['autodiscount_membership_type_id']) && count($params['autodiscount_membership_status_id']) == 0) {
         $params['autodiscount_membership_status_id'] = array('');
     }
     $params['filters'] = $this->getFiltersFromParams($params);
     $params['autodiscount'] = $this->getAutoDiscountFromParams($params);
     if (!empty($params['advanced_autodiscount_filter_entity'])) {
         $this->addAdvancedFilterToAutodiscount($params, $params['advanced_autodiscount_filter_entity'], CRM_Utils_Array::value('advanced_autodiscount_filter_string', $params));
     }
     $item = CRM_CiviDiscount_BAO_Item::add($params);
     CRM_Core_Session::setStatus(ts('The discount \'%1\' has been saved.', array(1 => $item->description ? $item->description : $item->code)), ts('Saved'), 'success');
 }