Rafy框架：领域控制器

///
[ControllerLogic]
public virtual Result Register(User user)
{
if (user == null) throw new ArgumentNullException("user");
var userNameAsId = _identityMode.HasFlag(UserIdentityMode.UserName);
if (userNameAsId && string.IsNullOrEmpty(user.UserName)) return new Result(ResultCodes.RegisterUserNameInvalid, "用户名不能为空。");
var emailAsId = _identityMode.HasFlag(UserIdentityMode.Email);
if (emailAsId && !TextFormatter.ReEmail.IsMatch(user.Email)) return new Result(ResultCodes.RegisterEmailInvalid, "邮箱格式不正确。");
if (!userNameAsId && !emailAsId) throw new InvalidProgramException("!userNameAsId && !useEmailAsId");
//验证其它属性。
var brokenRules = Validator.Validate(user);
if (brokenRules.Count > 0) return new Result(ResultCodes.RegisterPropertiesInvalid, brokenRules.ToString());
//检查用户名、邮箱的重复性。
var repo = RF.ResolveInstance();
var criteria = new CommonQueryCriteria();
criteria.COncat= BinaryOperator.Or;
if (userNameAsId)
{
criteria.Add(new PropertyMatch(User.UserNameProperty, user.UserName));
}
if (emailAsId)
{
criteria.Add(new PropertyMatch(User.EmailProperty, user.Email));
}
var exists = repo.GetFirstBy(criteria);
if (exists != null)
{
if (emailAsId && exists.Email == user.Email)
{
return new Result(ResultCodes.RegisterEmailDuplicated, string.Format("注册失败，已经存在邮箱为：{0} 的用户。", user.Email));
}
else
{
return new Result(ResultCodes.RegisterUserNameDuplicated, string.Format("注册失败，已经存在用户名为：{0} 的用户。", user.UserName));
}
}
//保存这个用户
user.PersistenceStatus = PersistenceStatus.New;
repo.Save(user);
this.OnRegisterSuccessed(user);
return true;
}
///