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 view */
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)
39 switch(current_view) {
40 case views.VIEW_MAILBOX: // FIXME view mail rooms as forums for now
42 forum_readmessages("ctdl-main", 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) -- let's have another go at this with the rendering done client-side
55 function forum_readmessages(target_div, gt_msg, lt_msg)
57 original_text = document.getElementById(target_div).innerHTML; // in case we need to replace it after an error
58 document.getElementById(target_div).innerHTML =
59 "<div align=\"center\"><i class=\"fas fa-spinner fa-spin\"></i> "
60 + _("Loading messages from server, please wait") + "</div>";
62 if (lt_msg < 9999999999) {
63 url = "/ctdl/r/" + escapeHTMLURI(current_room) + "/msgs.lt|" + lt_msg;
66 url = "/ctdl/r/" + escapeHTMLURI(current_room) + "/msgs.gt|" + gt_msg;
69 fetch_msg_list = async() => {
70 response = await fetch(url);
71 msgs = await(response.json());
73 msgs = JSON.parse(this.responseText);
74 document.getElementById(target_div).innerHTML = "" ;
76 // If we were given an explicit starting point, by all means start there.
77 // Note that we don't have to remove them from the array because we did a 'msgs gt|xxx' command to Citadel.
79 msgs = msgs.slice(0, messages_per_page);
82 // Otherwise, show us the last 20 messages
84 if (msgs.length > messages_per_page) {
85 msgs = msgs.slice(msgs.length - messages_per_page);
87 new_old_div_name = randomString(5);
88 if (msgs.length < 1) {
94 document.getElementById(target_div).innerHTML +=
95 "<div id=\"" + new_old_div_name + "\">" +
96 "<div align=\"center\">" +
97 "<a href=\"javascript:forum_readmessages('" + new_old_div_name + "', 0, " + newlt + ");\">" +
98 "<i class=\"fa fa-arrow-circle-up\"></i> " +
99 _("Older posts") + " <i class=\"fa fa-arrow-circle-up\"></a></div></div></a></div></div>" ;
102 // Render an empty div for each message. We will fill them in later.
103 for (var i in msgs) {
104 document.getElementById(target_div).innerHTML += "<div id=\"ctdl_msg_" + msgs[i] + "\"> </div>" ;
105 document.getElementById("ctdl_msg_"+msgs[i]).style.display = "none";
107 if (lt_msg == 9999999999) {
108 new_new_div_name = randomString(5);
109 if (msgs.length <= 0) {
113 newgt = msgs[msgs.length-1];
115 document.getElementById(target_div).innerHTML +=
116 "<div id=\"" + new_new_div_name + "\">" +
117 "<div align=\"center\">" +
118 "<a href=\"javascript:forum_readmessages('" + new_new_div_name + "', " + newgt + ", 9999999999);\">" +
119 "<i class=\"fa fa-arrow-circle-down\"></i> " +
120 _("Newer posts") + " <i class=\"fa fa-arrow-circle-down\"></a></div></div>" ;
123 // Now figure out where to scroll to after rendering.
127 else if (lt_msg < 9999999999) {
128 scroll_to = msgs[msgs.length-1];
130 else if ( (logged_in) && (gt_msg == 0) && (lt_msg == 9999999999) ) {
131 scroll_to = msgs[msgs.length-1];
134 scroll_to = msgs[0]; // FIXME this is too naive
137 // Render the individual messages in the divs
138 forum_render_messages(msgs, "ctdl_msg_", scroll_to)
141 // if xhr fails, this will make the link reappear so the user can try again
142 document.getElementById(target_div).innerHTML = original_text;
149 // Render a range of messages, with the div prefix specified
151 function forum_render_messages(msgs, prefix, scroll_to)
153 for (i=0; i<msgs.length; ++i) {
154 forum_render_one(prefix+msgs[i], msgs[i], scroll_to);
159 // 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.
160 function forum_render_one(div, msgnum, scroll_to) {
161 fetch_message = async() => {
162 response = await fetch("/ctdl/r/" + escapeHTMLURI(current_room) + "/" + msgs[i] + "/json");
163 msg = response.json());
165 msg = JSON.parse(this.responseText);
167 document.getElementById(div).innerHTML =
168 "<div class=\"ctdl-msg-wrapper\">" // begin message wrapper
169 + "<div class=\"ctdl-avatar\">" // begin avatar
170 + "<img src=\"/ctdl/u/" + msg.from + "/userpic\" width=\"32\" "
171 + "onerror=\"this.parentNode.innerHTML='<i class="fa fa-user-circle fa-2x"></i> '\">"
172 + "</div>" // end avatar
173 + "<div class=\"ctdl-msg-content\">" // begin content
174 + "<div class=\"ctdl-msg-header\">" // begin header
175 + "<span class=\"ctdl-username\"><a href=\"#\">" // FIXME link to user profile
178 + "<span class=\"ctdl-msgdate\">"
181 + "</div>" // end header
182 + "<div>" // begin body
184 + "</div>" // end body
185 + "</div>" // end content
186 + "</div>" // end wrapper
190 document.getElementById(div).innerHTML = "ERROR";
192 document.getElementById(div).style.display = "inline";
193 if (msgnum == scroll_to) {
194 window.location.hash = div;