server-signout.go

func (s *Server) SignOut(request string, response *string) error {
	if request == "" {
		*response = "empty request. sign out failed"
	} else {
		if s.clients == nil {
			*response = "you are not signed in"
		} else if _, ok := s.clients[request]; !ok {
			*response = "you are not signed in"
		} else {
			delete(s.clients, request)
			*response = "signed out successfully"
			log.Printf("%v signed out. Clients: %v", request, s.clients)
		}
	}

	return nil
}