// GetPrompt will render the terminal prompt string based on the user.
func GetPrompt(user *message.User) string {
name := user.Name()
if user.Config.Theme != nil {
name = user.Config.Theme.ColorName(user)
}
return fmt.Sprintf("[%s] ", name)
}
// Member returns a corresponding Member object to a User if the Member is
// present in this room.
func (r *Room) Member(u *message.User) (*Member, bool) {
m, ok := r.MemberById(u.Id())
if !ok {
return nil, false
}
// Check that it's the same user
if m.User != u {
return nil, false
}
return m, true
}
// AutoCompleteFunction returns a callback for terminal autocompletion
func (h *Host) AutoCompleteFunction(u *message.User) func(line string, pos int, key rune) (newLine string, newPos int, ok bool) {
return func(line string, pos int, key rune) (newLine string, newPos int, ok bool) {
if key != 9 {
return
}
if line == "" || strings.HasSuffix(line[:pos], " ") {
// Don't autocomplete spaces.
return
}
fields := strings.Fields(line[:pos])
isFirst := len(fields) < 2
partial := fields[len(fields)-1]
posPartial := pos - len(partial)
var completed string
if isFirst && strings.HasPrefix(partial, "/") {
// Command
completed = h.completeCommand(partial)
if completed == "/reply" {
replyTo := u.ReplyTo()
if replyTo != nil {
completed = "/msg " + replyTo.Name()
}
}
} else {
// Name
completed = h.completeName(partial)
if completed == "" {
return
}
if isFirst {
completed += ":"
}
}
completed += " "
// Reposition the cursor
newLine = strings.Replace(line[posPartial:], partial, completed, 1)
newLine = line[:posPartial] + newLine
newPos = pos + (len(completed) - len(partial))
ok = true
return
}
}
// Join the room as a user, will announce.
func (r *Room) Join(u *message.User) (*Member, error) {
if r.closed {
return nil, ErrRoomClosed
}
if u.Id() == "" {
return nil, ErrInvalidName
}
member := Member{u, false}
err := r.members.Add(&member)
if err != nil {
return nil, err
}
r.History(u)
s := fmt.Sprintf("%s joined. (Connected: %d)", u.Name(), r.members.Len())
r.Send(message.NewAnnounceMsg(s))
return &member, nil
}
// History feeds the room's recent message history to the user's handler.
func (r *Room) History(u *message.User) {
for _, m := range r.history.Get(historyLen) {
u.Send(m)
}
}