!752
static new MultiMap<S, Line> map;
static class Line { 
  S text;
  S timestamp;
  
  Line(){
  
  }
  *(S *text, S *timestamp) {}
}
p{
  makeBot("Store messages bot");
  load("map");
}

synchronized answer{
  S username = "";
  if(getUserName() == null){
    username = "anonymous";
  }else{
    username = getUserName();
  }
  if(matchStart("list all messages from *", s, m)){
    ret structure(map.get(m.unq(0)));
  }
  if(match("list all users", s)){
    ret structure(map.keySet());
  }
  if(matchStart("did * say something about *", s, m)){
    if(map.containsKey(m.unq(0))){
      List<Line> list = map.get(m.unq(0));
      int times = 0;
      L<S> lolist = new L;
      for (int i = l(list)-1; i >= 0; i--) {
        if(list.get(i).text.contains(m.unq(1))){
          times = times + 1;
          lolist.add(list.get(i).text);
        }
      }
      if (times == 0){
        ret "no results found";
      }else{
        ret lolist + "\n" + times +" results found";
      }
    }else{
      ret m.unq(0) + " did not say anything.";
    }
  } 
  Line line = new Line(s,getSlackTS());
  map.put(username, line);
  save("map");
}