Keep server timestamps for all copies

[reliable-chat] / webclient / rc.html

diff --git a/webclient/rc.html b/webclient/rc.html
index bb998256ae8c809e379ae57abba904df9de70db6..7517d14d38cfac45e2f5e4b7f66177d5dc8c20e8 100644 (file)
--- a/webclient/rc.html
+++ b/webclient/rc.html
@@ -82,6 +82,12 @@
        var session = Math.random();  // For outgoing message IDs
        var since = {};    // server -> time: For fetch?since=
        var seen = {};     // seen_key -> message
+       // Messages have these fields:
+       //   Time: The server timestamp of the first copy to arrive 
+       //   ID: Some unique string for deduping
+       //   Text: The text of the message
+       //   ServerTimes: server -> timestamp
+       //   UI: The DOM node for this message in the UI
 
        function rcnick() {
                var nick = localStorage.getItem("nick");
@@ -144,7 +150,10 @@
                        var m = messages[i];
                        m.Time = new Date(m.Time);
                        var seen_key = make_seen_key(m.ID, m.Text);
-                       if (!(seen_key in seen)) {
+                       if (seen_key in seen) {
+                               seen[seen_key].ServerTimes[server] = m.Time;
+                       } else {
+                               m.ServerTimes = {server: m.Time};
                                seen[seen_key] = m;
                                rcaddmessagetohistory(m);
                                for (var i in servers) {