//添加用户
public void AddUser(ServerUser user)
{
DatabaseUser newUser = new DatabaseUser()
{
UserName = user.UserName,
NickName = user.NickName,
Gender = user.Gender.ToString(),
Email = user.Email,
Age = user.Age,
Password = user.Password
};
foreach (string username in user.FriendNames)
{
UserFriend newFriend = new UserFriend() { UserName = username };
newUser.UserFriend.Add(newFriend);
}
dataContext.DatabaseUser.InsertOnSubmit(newUser);
dataContext.SubmitChanges();
}
private void detach_UserFriend(UserFriend entity)
{
this.SendPropertyChanging();
entity.DatabaseUser = null;
}
//添加用户好友
public void MakeFriends(string sender, string receiver)
{
//将receiver添加到sender朋友列表里
var currentSender = (from u in dataContext.DatabaseUser
where u.UserName == sender
select u).Single();
//避免重复添加
var checkUser = from u in currentSender.UserFriend
where u.UserName == receiver
select u;
if (checkUser.Count() == 0)
{
UserFriend newFriend = new UserFriend()
{
UserName = receiver
};
currentSender.UserFriend.Add(newFriend);
}
//将sender添加到receiver朋友列表里
var currentReceiver = (from u in dataContext.DatabaseUser
where u.UserName == receiver
select u).Single();
//避免重复添加
checkUser = from u in currentReceiver.UserFriend
where u.UserName == receiver
select u;
if (checkUser.Count() == 0)
{
UserFriend newFriend = new UserFriend()
{
UserName = sender
};
currentReceiver.UserFriend.Add(newFriend);
}
dataContext.SubmitChanges();
}
partial void UpdateUserFriend(UserFriend instance);
partial void DeleteUserFriend(UserFriend instance);
partial void InsertUserFriend(UserFriend instance);
private void detach_UserFriend(UserFriend entity)
{
this.SendPropertyChanging();
entity.DatabaseUser = null;
}
partial void DeleteUserFriend(UserFriend instance);
partial void UpdateUserFriend(UserFriend instance);
partial void InsertUserFriend(UserFriend instance);