public int SetRole(Role role)
        {
            _logger.Info($"BLL.{nameof(RoleBll)}.{nameof(SetRole)}: Retention of the role");

            if (role.Id != null)
            {
                int id = _roleDao.ChangeRole(role);

                _logger.Info($"BLL.{nameof(RoleBll)}.{nameof(SetRole)}: Role id = {id} changed");

                return(id);
            }
            else
            {
                int id = _roleDao.AddRole(role);

                _logger.Info($"BLL.{nameof(RoleBll)}.{nameof(SetRole)}: Role id = {id} added");

                return(id);
            }
        }