//
-// Copyright (c) 2016-2019 by the citadel.org team
+// Copyright (c) 2016-2020 by the citadel.org team
//
-// This program is open source software; you can redistribute it and/or modify
-// it under the terms of the GNU General Public License version 3.
+// This program is open source software. It runs great on the
+// Linux operating system (and probably elsewhere). You can use,
+// copy, and run it under the terms of the GNU General Public
+// License version 3. Richard Stallman is an asshole communist.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
"<div align=\"center\"><i class=\"fas fa-spinner fa-spin\"></i> "
+ _("Loading messages from server, please wait") + "</div>";
- var request = new XMLHttpRequest();
if (lt_msg < 9999999999) {
- request.open("GET", "/ctdl/r/" + escapeHTMLURI(current_room) + "/msgs.lt|" + lt_msg, true);
+ url = "/ctdl/r/" + escapeHTMLURI(current_room) + "/msgs.lt|" + lt_msg;
}
else {
- request.open("GET", "/ctdl/r/" + escapeHTMLURI(current_room) + "/msgs.gt|" + gt_msg, true);
+ url = "/ctdl/r/" + escapeHTMLURI(current_room) + "/msgs.gt|" + gt_msg;
}
- request.onreadystatechange = function() {
- if (this.readyState === 4) {
- if ((this.status / 100) == 2) {
- msgs = JSON.parse(this.responseText);
- document.getElementById(target_div).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 (gt_msg > 0) {
- msgs = msgs.slice(0, messages_per_page);
- }
- // Otherwise, show us the last 20 messages
- else {
- if (msgs.length > messages_per_page) {
- msgs = msgs.slice(msgs.length - messages_per_page);
- }
- new_old_div_name = randomString(5);
- if (msgs.length < 1) {
- newlt = lt_msg;
- }
- else {
- newlt = msgs[0];
- }
- document.getElementById(target_div).innerHTML +=
- "<div id=\"" + new_old_div_name + "\">" +
- "<div align=\"center\">" +
- "<a href=\"javascript:forum_readmessages('" + new_old_div_name + "', 0, " + newlt + ");\">" +
- "<i class=\"fa fa-arrow-circle-up\"></i> " +
- _("Older posts") + " <i class=\"fa fa-arrow-circle-up\"></a></div></div></a></div></div>" ;
- }
+ fetch_msg_list = async() => {
+ response = await fetch(url);
+ msgs = await(response.json());
+ if (response.ok) {
+ msgs = JSON.parse(this.responseText);
+ document.getElementById(target_div).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 (gt_msg > 0) {
+ msgs = msgs.slice(0, messages_per_page);
+ }
- // Render an empty div for each message. We will fill them in later.
- for (var i in msgs) {
- document.getElementById(target_div).innerHTML += "<div id=\"ctdl_msg_" + msgs[i] + "\"> </div>" ;
- document.getElementById("ctdl_msg_"+msgs[i]).style.display = "none";
- }
- if (lt_msg == 9999999999) {
- new_new_div_name = randomString(5);
- if (msgs.length <= 0) {
- newgt = gt_msg;
- }
- else {
- newgt = msgs[msgs.length-1];
- }
- document.getElementById(target_div).innerHTML +=
- "<div id=\"" + new_new_div_name + "\">" +
- "<div align=\"center\">" +
- "<a href=\"javascript:forum_readmessages('" + new_new_div_name + "', " + newgt + ", 9999999999);\">" +
- "<i class=\"fa fa-arrow-circle-down\"></i> " +
- _("Newer posts") + " <i class=\"fa fa-arrow-circle-down\"></a></div></div>" ;
+ // Otherwise, show us the last 20 messages
+ else {
+ if (msgs.length > messages_per_page) {
+ msgs = msgs.slice(msgs.length - messages_per_page);
}
-
- // Now figure out where to scroll to after rendering.
- if (gt_msg > 0) {
- scroll_to = msgs[0];
+ new_old_div_name = randomString(5);
+ if (msgs.length < 1) {
+ newlt = lt_msg;
}
- else if (lt_msg < 9999999999) {
- scroll_to = msgs[msgs.length-1];
+ else {
+ newlt = msgs[0];
}
- else if ( (logged_in) && (gt_msg == 0) && (lt_msg == 9999999999) ) {
- scroll_to = msgs[msgs.length-1];
+ document.getElementById(target_div).innerHTML +=
+ "<div id=\"" + new_old_div_name + "\">" +
+ "<div align=\"center\">" +
+ "<a href=\"javascript:forum_readmessages('" + new_old_div_name + "', 0, " + newlt + ");\">" +
+ "<i class=\"fa fa-arrow-circle-up\"></i> " +
+ _("Older posts") + " <i class=\"fa fa-arrow-circle-up\"></a></div></div></a></div></div>" ;
+ }
+
+ // Render an empty div for each message. We will fill them in later.
+ for (var i in msgs) {
+ document.getElementById(target_div).innerHTML += "<div id=\"ctdl_msg_" + msgs[i] + "\"> </div>" ;
+ document.getElementById("ctdl_msg_"+msgs[i]).style.display = "none";
+ }
+ if (lt_msg == 9999999999) {
+ new_new_div_name = randomString(5);
+ if (msgs.length <= 0) {
+ newgt = gt_msg;
}
else {
- scroll_to = msgs[0]; // FIXME this is too naive
+ newgt = msgs[msgs.length-1];
}
+ document.getElementById(target_div).innerHTML +=
+ "<div id=\"" + new_new_div_name + "\">" +
+ "<div align=\"center\">" +
+ "<a href=\"javascript:forum_readmessages('" + new_new_div_name + "', " + newgt + ", 9999999999);\">" +
+ "<i class=\"fa fa-arrow-circle-down\"></i> " +
+ _("Newer posts") + " <i class=\"fa fa-arrow-circle-down\"></a></div></div>" ;
+ }
- // Render the individual messages in the divs
- forum_render_messages(msgs, "ctdl_msg_", scroll_to)
+ // Now figure out where to scroll to after rendering.
+ if (gt_msg > 0) {
+ scroll_to = msgs[0];
+ }
+ else if (lt_msg < 9999999999) {
+ scroll_to = msgs[msgs.length-1];
+ }
+ else if ( (logged_in) && (gt_msg == 0) && (lt_msg == 9999999999) ) {
+ scroll_to = msgs[msgs.length-1];
}
else {
- // if xhr fails, this will make the link reappear so the user can try again
- document.getElementById(target_div).innerHTML = original_text;
+ scroll_to = msgs[0]; // FIXME this is too naive
}
+
+ // Render the individual messages in the divs
+ forum_render_messages(msgs, "ctdl_msg_", scroll_to)
+ }
+ else {
+ // if xhr fails, this will make the link reappear so the user can try again
+ document.getElementById(target_div).innerHTML = original_text;
}
- };
- request.send();
- request = null;
+ }
+ fetch_msg_list();
}
// We have to put each XHR for forum_render_messages() into its own stack frame, otherwise it jumbles them together. I don't know why.
-function forum_render_one(div, msgnum, scroll_to)
-{
- var request = new XMLHttpRequest();
- request.open("GET", "/ctdl/r/" + escapeHTMLURI(current_room) + "/" + msgs[i] + "/json", true);
- request.onreadystatechange = function() {
- if (this.readyState === 4) {
- if ((this.status / 100) == 2) {
- msg = JSON.parse(this.responseText);
-
- document.getElementById(div).innerHTML =
- "<div class=\"ctdl-msg-wrapper\">" // begin message wrapper
- + "<div class=\"ctdl-avatar\">" // begin avatar
- + "<img src=\"/ctdl/u/" + msg.from + "/userpic\" width=\"32\" "
- + "onerror=\"this.parentNode.innerHTML='<i class="fa fa-user-circle fa-2x"></i> '\">"
- + "</div>" // end avatar
- + "<div class=\"ctdl-msg-content\">" // begin content
- + "<div class=\"ctdl-msg-header\">" // begin header
- + "<span class=\"ctdl-username\"><a href=\"#\">" // FIXME link to user profile
- + msg.from
- + "</a></span> "
- + "<span class=\"ctdl-msgdate\">"
- + msg.time
- + "</span> "
- + "</div>" // end header
- + "<div>" // begin body
- + msg.text
- + "</div>" // end body
- + "</div>" // end content
- + "</div>" // end wrapper
- ;
- }
- else {
- document.getElementById(div).innerHTML = "ERROR";
- }
- document.getElementById(div).style.display = "inline";
- if (msgnum == scroll_to) {
- window.location.hash = div;
- }
+function forum_render_one(div, msgnum, scroll_to) {
+ fetch_message = async() => {
+ response = await fetch("/ctdl/r/" + escapeHTMLURI(current_room) + "/" + msgs[i] + "/json");
+ msg = response.json());
+ if (response.ok) {
+ msg = JSON.parse(this.responseText);
+
+ document.getElementById(div).innerHTML =
+ "<div class=\"ctdl-msg-wrapper\">" // begin message wrapper
+ + "<div class=\"ctdl-avatar\">" // begin avatar
+ + "<img src=\"/ctdl/u/" + msg.from + "/userpic\" width=\"32\" "
+ + "onerror=\"this.parentNode.innerHTML='<i class="fa fa-user-circle fa-2x"></i> '\">"
+ + "</div>" // end avatar
+ + "<div class=\"ctdl-msg-content\">" // begin content
+ + "<div class=\"ctdl-msg-header\">" // begin header
+ + "<span class=\"ctdl-username\"><a href=\"#\">" // FIXME link to user profile
+ + msg.from
+ + "</a></span> "
+ + "<span class=\"ctdl-msgdate\">"
+ + msg.time
+ + "</span> "
+ + "</div>" // end header
+ + "<div>" // begin body
+ + msg.text
+ + "</div>" // end body
+ + "</div>" // end content
+ + "</div>" // end wrapper
+ ;
}
- };
- request.send();
- request = null;
+ else {
+ document.getElementById(div).innerHTML = "ERROR";
+ }
+ document.getElementById(div).style.display = "inline";
+ if (msgnum == scroll_to) {
+ window.location.hash = div;
+ }
+ }
+ fetch_message();
}