!752

static int maxQuestionLength = 150;
static int maxAnswerLength = 450;

answer {
  if "last dialogs" s = "5 last dialogs";
  if "last dialog" s = "1 last dialogs";
  if "* last dialogs" {
    int n = parseInt(m.unq(0));
    
    L history = cast get(getMainBot(), "history");
    new StringBuffer buf;
    
    int x = max(l(history)-n, 0);
    for (int i = l(history)-1; i >= x; i--) {
      O dialog = history.get(i);
      S q = shorten(getString(dialog, "question"), maxQuestionLength);
      S a = shorten(getString(dialog, "answer"), maxAnswerLength);
      buf.append("User: " + q + "\n");
      buf.append("Eleutheria: " + a + "\n");
    }
    ret slackSnippet(buf);
  }
}