2 // Copyright (c) 2016-2020 by the citadel.org team
4 // This program is open source software. It runs great on the
5 // Linux operating system (and probably elsewhere). You can use,
6 // copy, and run it under the terms of the GNU General Public
7 // License version 3. Richard Stallman is an asshole communist.
9 // This program is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
15 // List of defined views shamelessly swiped from libcitadel headers
18 VIEW_BBS : 0, // Bulletin board view
19 VIEW_MAILBOX : 1, // Mailbox summary
20 VIEW_ADDRESSBOOK : 2, // Address book view
21 VIEW_CALENDAR : 3, // Calendar view
22 VIEW_TASKS : 4, // Tasks view
23 VIEW_NOTES : 5, // Notes view
24 VIEW_WIKI : 6, // Wiki view
25 VIEW_CALBRIEF : 7, // Brief Calendar view
26 VIEW_JOURNAL : 8, // Journal view
27 VIEW_DRAFTS : 9, // Drafts view
28 VIEW_BLOG : 10, // Blog view
29 VIEW_QUEUE : 11, // SMTP queue rooms
30 VIEW_WIKIMD : 12, // markdown wiki (no longer implemented)
34 // This function is the dispatcher that determines the correct view for a room,
35 // and calls the correct renderer. Greater/Less than bounds are accepted.
37 function render_room_view(gt_msg, lt_msg) {
38 switch(current_view) {
39 case views.VIEW_MAILBOX: // FIXME view mail rooms as forums for now
41 document.getElementById("ctdl-main").innerHTML = "<div id=\"ctdl-mrp\" class=\"ctdl-msg-reading-pane\"></div>";
42 forum_readmessages("ctdl-mrp", gt_msg, lt_msg);
45 document.getElementById("ctdl-main").innerHTML =
46 "The view for " + current_room + " is " + current_view + " but there is no renderer." ;
53 // Forum view (flat) -- all rendering is done client-side
55 function forum_readmessages(target_div, gt_msg, lt_msg) {
56 original_text = document.getElementById(target_div).innerHTML; // in case we need to replace it after an error
57 document.getElementById(target_div).innerHTML =
58 "<div align=\"center\"><i class=\"fas fa-spinner fa-spin\"></i> "
59 + _("Loading messages from server, please wait") + "</div>";
61 if (lt_msg < 9999999999) {
62 url = "/ctdl/r/" + escapeHTMLURI(current_room) + "/msgs.lt|" + lt_msg;
65 url = "/ctdl/r/" + escapeHTMLURI(current_room) + "/msgs.gt|" + gt_msg;
68 fetch_msg_list = async() => {
69 response = await fetch(url);
70 msgs = await(response.json());
72 document.getElementById(target_div).innerHTML = "" ;
74 // If we were given an explicit starting point, by all means start there.
75 // Note that we don't have to remove them from the array because we did a 'msgs gt|xxx' command to Citadel.
77 msgs = msgs.slice(0, messages_per_page);
80 // Otherwise, show us the last 20 messages
82 if (msgs.length > messages_per_page) {
83 msgs = msgs.slice(msgs.length - messages_per_page);
85 new_old_div_name = randomString(5);
86 if (msgs.length < 1) {
92 document.getElementById(target_div).innerHTML +=
93 "<div id=\"" + new_old_div_name + "\">" +
94 "<div align=\"center\">" +
95 "<a href=\"javascript:forum_readmessages('" + new_old_div_name + "', 0, " + newlt + ");\">" +
96 "<i class=\"fa fa-arrow-circle-up\"></i> " +
97 _("Older posts") + " <i class=\"fa fa-arrow-circle-up\"></a></div></div></a></div></div>" ;
100 // Render an empty div for each message. We will fill them in later.
101 for (var i in msgs) {
102 document.getElementById(target_div).innerHTML += "<div id=\"ctdl_msg_" + msgs[i] + "\"> </div>" ;
103 document.getElementById("ctdl_msg_"+msgs[i]).style.display = "none";
105 if (lt_msg == 9999999999) {
106 new_new_div_name = randomString(5);
107 if (msgs.length <= 0) {
111 newgt = msgs[msgs.length-1];
113 document.getElementById(target_div).innerHTML +=
114 "<div id=\"" + new_new_div_name + "\">" +
115 "<div align=\"center\">" +
116 "<a href=\"javascript:forum_readmessages('" + new_new_div_name + "', " + newgt + ", 9999999999);\">" +
117 "<i class=\"fa fa-arrow-circle-down\"></i> " +
118 _("Newer posts") + " <i class=\"fa fa-arrow-circle-down\"></a></div></div>" ;
121 // Now figure out where to scroll to after rendering.
125 else if (lt_msg < 9999999999) {
126 scroll_to = msgs[msgs.length-1];
128 else if ( (logged_in) && (gt_msg == 0) && (lt_msg == 9999999999) ) {
129 scroll_to = msgs[msgs.length-1];
132 scroll_to = msgs[0]; // FIXME this is too naive
135 // Render the individual messages in the divs
136 forum_render_messages(msgs, "ctdl_msg_", scroll_to)
139 // if xhr fails, this will make the link reappear so the user can try again
140 document.getElementById(target_div).innerHTML = original_text;
147 // Render a range of messages, with the div prefix specified
149 function forum_render_messages(msgs, prefix, scroll_to) {
150 for (i=0; i<msgs.length; ++i) {
151 forum_render_one(prefix+msgs[i], msgs[i], scroll_to);
156 // 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.
157 function forum_render_one(div, msgnum, scroll_to) {
158 fetch_message = async() => {
159 response = await fetch("/ctdl/r/" + escapeHTMLURI(current_room) + "/" + msgs[i] + "/json");
160 msg = await response.json();
162 document.getElementById(div).innerHTML =
163 "<div class=\"ctdl-msg-wrapper\">" // begin message wrapper
164 + "<div class=\"ctdl-avatar\">" // begin avatar
165 + "<img src=\"/ctdl/u/" + msg.from + "/userpic\" width=\"32\" "
166 + "onerror=\"this.parentNode.innerHTML='<i class="fa fa-user-circle fa-2x"></i> '\">"
167 + "</div>" // end avatar
168 + "<div class=\"ctdl-msg-content\">" // begin content
169 + "<div class=\"ctdl-msg-header\">" // begin header
170 + "<span class=\"ctdl-msg-header-info\">" // begin header info on left side
171 + "<span class=\"ctdl-username\"><a href=\"#\">" // FIXME link to user profile
173 + "</a></span>" // end username
174 + "<span class=\"ctdl-msgdate\">"
176 + "</span>" // end msgdate
177 + "</span>" // end header info on left side
178 + "<span class=\"ctdl-msg-header-buttons\">" // begin buttons on right side
179 + "<span class=\"ctdl-msg-button\">Reply</span>"
180 + "<span class=\"ctdl-msg-button\">Delete</span>"
181 + "<span class=\"ctdl-msg-button\">Flame</span>"
182 + "</span>" // end buttons on right side
183 + "<br><span class=\"ctdl-msgsubject\">This is a message subject, if present</span>"
184 + "</div>" // end header
185 + "<div>" // begin body
187 + "</div>" // end body
188 + "</div>" // end content
189 + "</div>" // end wrapper
193 document.getElementById(div).innerHTML = "ERROR";
195 document.getElementById(div).style.display = "inline";
196 if (msgnum == scroll_to) {
197 window.location.hash = div;