!7

sclass LatestGMails extends DynTable {
  int numMsgs = 50;
  L<Map> data;

  void start {
    ownTimer(doEvery(60.0, r actualUpdate));
  }
  
  void actualUpdate { actualCalc(); }
  
  L<Map> calc() {
    temp enter();
    if (data != null) ret data;
    ret actualCalc();
  }
  
  L<Map> actualCalc() ctex {
    temp enter();
    long startTime = sysNow();
    Folder inbox = gmail_inbox();
    new L<Map> l;
    inbox.open(Folder.READ_ONLY);
    int count = inbox.getMessageCount();
    int n = max(1, count-numMsgs+1);
    for (int i = count; i >= n; i--) {
      new LinkedHashMap map;
      //print("\nLoading message " + i + "\n");
      IMAPMessage msg = cast inbox.getMessage(i);
      map.put("From", InternetAddress.toString(msg.getFrom()));
      map.put("Subject", msg.getSubject());
      //map.put("Message number: " + msg.getMessageNumber());
      map.put("Sent/Received", msg.getSentDate() + "/" + msg.getReceivedDate());
      O content = msg.getContent();
      //print("  Content type: " + getClassName(content));
      map.put("Size", toK(msg.getSize()) + " K");
      map.put("[hidden] ID", msg.getMessageID());
      map.put("Content Type", msg.getContentType());
      //print("  Content type: " + className(content) + " / " + msg.getContentType());
      l.add(map);
    }
    //inbox.close(false);
    inbox.getStore().close();
    print("Fetching " + n2(l, " latest GMail") + " took: " + elapsedTime(startTime) + " ms");
    ret setFieldAndReturn(data := l);
  }
}