I think we finally have the older/newer messages buttons functioning properly.

[citadel.git] / webcit-ng / static / js / views.js

diff --git a/webcit-ng/static/js/views.js b/webcit-ng/static/js/views.js
index cf975ba0417442e0bb57fa609ccbc8d753cd14dc..b3b8212316d40f5d69a690b4506c136ae1c0dead 100644 (file)
--- a/webcit-ng/static/js/views.js
+++ b/webcit-ng/static/js/views.js
@@ -32,78 +32,95 @@ var views = {
 // This function is the dispatcher that determines the correct view for a room,
 // and calls the correct renderer.
 //
-function render_room_view()
+function render_room_view(min_msg, max_msg)
 {
        switch(current_view)
        {
                case views.VIEW_MAILBOX:                                                // FIXME view mail rooms as forums for now
                case views.VIEW_BBS:
-                       forum_readmessages("flat");
+                       forum_readmessages("ctdl-main", min_msg, max_msg);
                        break;
                default:
-                       document.getElementById("main").innerHTML = "The view for " + current_room + " is " + current_view + " but there is no renderer." ;
+                       document.getElementById("ctdl-main").innerHTML = "The view for " + current_room + " is " + current_view + " but there is no renderer." ;
                        break;
        }
 
 }
 
 
-// Forum view -- flat or threaded
-// The inner div exists so that if the user clicks away early, the main div doesn't get clobbered when the load completes.
-// The parameter can be set to "flat" or "threads" which is passed directly to the API
+// Forum view (flat) -- let's have another go at this with the rendering done client-side
 //
-function XX_forum_readmessages(flat_or_threads)
+function forum_readmessages(target_div, min_msg, max_msg)
 {
        var innerdivname = randomString(5);
-       document.getElementById("main").innerHTML = "<div id=\"" + innerdivname +
+       document.getElementById(target_div).innerHTML = "<div id=\"" + innerdivname +
                "\"><br><br><br><center><h5><i class=\"fas fa-spinner fa-spin\"></i>&nbsp;&nbsp;"
                + _("Loading messages from server, please wait") + "</h5></center></div>" ;
 
        var request = new XMLHttpRequest();
-       request.open("GET", "/ctdl/r/" + escapeHTMLURI(current_room) + "/" + flat_or_threads, true);
+       if (max_msg < 9999999999)
+       {
+               request.open("GET", "/ctdl/r/" + escapeHTMLURI(current_room) + "/msgs.lt|" + max_msg, true);
+       }
+       else
+       {
+               request.open("GET", "/ctdl/r/" + escapeHTMLURI(current_room) + "/msgs.gt|" + min_msg, true);
+       }
        request.onreadystatechange = function()
        {
                if (this.readyState === 4)
                {
                        if ((this.status / 100) == 2)
                        {
-                               document.getElementById(innerdivname).outerHTML = this.responseText;
-                       }
-                       else
-                       {
-                               document.getElementById(innerdivname).outerHTML = "ERROR " + this.status ;
-                       }
-               }
-       };
-       request.send();
-       request = null;
-}
+                               msgs = JSON.parse(this.responseText);
+                               document.getElementById(innerdivname).innerHTML = "" ;
 
+                               // If we were given an explicit starting point, by all means start there.
+                               // Note that we don't have to remove them from the array because we did a 'msgs gt|xxx' command to Citadel.
+                               if (min_msg > 0)
+                               {
+                                       msgs = msgs.slice(0, messages_per_page);
+                               }
 
-// Forum view -- let's have another go at this with the rendering done client-side
-//
-function forum_readmessages(flat_or_threads)
-{
-       var innerdivname = randomString(5);
-       document.getElementById("main").innerHTML = "<div id=\"" + innerdivname +
-               "\"><br><br><br><center><h5><i class=\"fas fa-spinner fa-spin\"></i>&nbsp;&nbsp;"
-               + _("Loading messages from server, please wait") + "</h5></center></div>" ;
+                               // show us the last 20 messages and scroll to the bottom (this will become the not-logged-in behavior)
+                               else if ((logged_in) | (!logged_in) | (max_msg < 9999999999))
+                               {
+                                       if (msgs.length > messages_per_page)
+                                       {
+                                               msgs = msgs.slice(msgs.length - messages_per_page);
+                                       }
+                                       new_old_div_name = randomString(5);
+                                       document.getElementById(innerdivname).innerHTML +=
+                                               "<div id=\"" + new_old_div_name + "\">" +
+                                               "<a href=\"javascript:forum_readmessages('" + new_old_div_name + "', 0, " + msgs[0] + ");\">" +
+                                               "link to msgs less than " + msgs[0] + "</a></div>" ;
+                               }
 
-       var request = new XMLHttpRequest();
-       request.open("GET", "/ctdl/r/" + escapeHTMLURI(current_room) + "/msgs.all", true);
-       request.onreadystatechange = function()
-       {
-               if (this.readyState === 4)
-               {
-                       if ((this.status / 100) == 2)
-                       {
-                               document.getElementById(innerdivname).innerHTML = "Are we logged in? " + logged_in + "<ul>" ;
-                               msgs = JSON.parse(this.responseText);
+                               // It's render time, bitchez!
                                for (var i in msgs)
                                {
-                                       document.getElementById(innerdivname).innerHTML += "<li>" + msgs[i] + "</li>" ;
+                                       if ((msgs[i] > min_msg) && (msgs[i] < max_msg))
+                                       {
+                                               document.getElementById(innerdivname).innerHTML +=
+                                                       "<div id=\"ctdl_msg_" + msgs[i] + "\">message #" + msgs[i] + "</div>" ;
+                                       }
+                               }
+                               if (max_msg == 9999999999)
+                               {
+                                       new_new_div_name = randomString(5);
+                                       if (msgs.length <= 0)
+                                       {
+                                               newgt = min_msg;
+                                       }
+                                       else
+                                       {
+                                               newgt = msgs[msgs.length-1];
+                                       }
+                                       document.getElementById(innerdivname).innerHTML +=
+                                               "<div id=\"" + new_new_div_name + "\">" +
+                                               "<a href=\"javascript:forum_readmessages('" + new_new_div_name + "', " + newgt + ", 9999999999);\">" +
+                                               "link to msgs greater than " + newgt + "</a></div>" ;
                                }
-                               document.getElementById(innerdivname).innerHTML += "</ul>" ;
                        }
                        else
                        {