// Set the user's nick.
func (u *User) SetNick(nick string) os.Error {
if !parser.ValidNick(nick) {
return parser.NewNumeric(parser.ERR_ERRONEUSNICKNAME, nick)
}
lownick := parser.ToLower(nick)
userMutex.Lock()
defer userMutex.Unlock()
if id, used := userNicks[lownick]; used {
if id == u.ID() {
return nil
}
return parser.NewNumeric(parser.ERR_NICKNAMEINUSE, nick)
}
userNicks[lownick] = u.ID()
lownick = parser.ToLower(u.nick)
userNicks[lownick] = "", false
u.mutex.Lock()
defer u.mutex.Unlock()
u.nick = nick
u.ts = time.Nanoseconds()
return nil
}
// Set the user and gecos (immutable once set).
func (u *User) SetUser(user, name string) os.Error {
if len(u.user) > 0 {
return parser.NewNumeric(parser.ERR_ALREADYREGISTRED)
}
if !parser.ValidNick(user) || len(name) == 0 {
// BUG(kevlar): Document this behavior
return parser.NewNumeric(parser.ERR_NEEDMOREPARAMS)
}
u.mutex.Lock()
defer u.mutex.Unlock()
u.user, u.name = user, name
u.ts = time.Nanoseconds()
return nil
}