/**
  * This action is used to delete roles and their child data.
  * @parameters
  * @param $objid    =   id of role.
  * 
  * @return   {String}   success/failure message 
  */
 public function deleteAction()
 {
     $auth = Zend_Auth::getInstance();
     if ($auth->hasIdentity()) {
         $loginUserId = $auth->getStorage()->read()->id;
     }
     $id = $this->_request->getParam('objid');
     $messages['message'] = '';
     $actionflag = 3;
     if ($id) {
         $roles_model = new Default_Model_Roles();
         $user_model = new Default_Model_Usermanagement();
         $user_cnt = $user_model->getUserCntByRole($id);
         if ($user_cnt == 0) {
             $previleges_model = new Default_Model_Privileges();
             $menumodel = new Default_Model_Menu();
             $data = array('isactive' => 0, 'modifiedby' => $loginUserId, 'modifieddate' => gmdate("Y-m-d H:i:s"));
             $where = array('id=?' => $id);
             $Id = $roles_model->SaveorUpdateRolesData($data, $where);
             if ($Id == 'update') {
                 sapp_Global::generateAccessControl();
                 $prev_data = array('isactive' => 0, 'modifiedby' => $loginUserId, 'modifieddate' => gmdate("Y-m-d H:i:s"));
                 $where_prev = "role = " . $id;
                 $previleges_model->SaveorUpdatePrivilegesData($prev_data, $where_prev);
                 $objidArr = $menumodel->getMenuObjID('/roles');
                 $objID = $objidArr[0]['id'];
                 $result = sapp_Global::logManager($objID, $actionflag, $loginUserId, $id);
                 $messages['message'] = 'Role deleted successfully';
                 $messages['msgtype'] = 'success';
             } else {
                 $messages['message'] = 'Role cannot be deleted as Employees with the role exist.';
                 $messages['msgtype'] = 'error';
             }
         } else {
             $messages['message'] = 'Role cannot be deleted as Employees with the role exist.';
             $messages['msgtype'] = 'error';
         }
     } else {
         $messages['message'] = 'Role cannot be deleted as Employees with the role exist.';
         $messages['msgtype'] = 'error';
     }
     $this->_helper->json($messages);
 }