public void AddPrivilege(Guid unitId, string name, string code, string description)
 {
     var privilege = new Privilege();
     privilege.Code = code;
     privilege.Name = name;
     privilege.Description = description;
     privilege.UnitId = unitId;
     _privilegeRepository.Save(privilege);
 }
 public void AssignPrivilegeToUser(RoleUser roleUser, Privilege privilege)
 {
     roleUser.Privileges.Add(privilege);
 }