public function postDelete()
 {
     $business_id = Business::getBusinessIdByTerminalId(Input::get('terminal_id'));
     if (Helper::isBusinessOwner($business_id, Helper::userId())) {
         // PAG added permission checking
         $error = 'There are still pending numbers for this terminal.';
         if (TerminalTransaction::terminalActiveNumbers(Input::get('terminal_id')) == 0) {
             Terminal::deleteTerminal(Input::get('terminal_id'));
             $error = NULL;
         }
         $business = Business::getBusinessDetails($business_id);
         $business['error'] = $error;
         return json_encode(['success' => 1, 'business' => $business]);
     } else {
         return json_encode(array('message' => 'You are not allowed to access this function.'));
     }
 }