2 // Copyright (c) 2016-2021 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.
16 function forum_readmessages(target_div, gt_msg, lt_msg) {
17 original_text = document.getElementById(target_div).innerHTML; // in case we need to replace it after an error
18 document.getElementById(target_div).innerHTML =
19 "<div class=\"ctdl-forum-nav\"><i class=\"fas fa-spinner fa-spin\"></i> "
20 + _("Loading messages from server, please wait") + "</div>";
22 if (lt_msg < 9999999999) {
23 url = "/ctdl/r/" + escapeHTMLURI(current_room) + "/msgs.lt|" + lt_msg;
26 url = "/ctdl/r/" + escapeHTMLURI(current_room) + "/msgs.gt|" + gt_msg;
29 fetch_msg_list = async() => {
30 response = await fetch(url);
31 msgs = await(response.json());
33 document.getElementById(target_div).innerHTML = "" ;
35 // If we were given an explicit starting point, by all means start there.
36 // Note that we don't have to remove them from the array because we did a 'msgs gt|xxx' command to Citadel.
38 msgs = msgs.slice(0, messages_per_page);
41 // Otherwise, show us the last 20 messages
43 if (msgs.length > messages_per_page) {
44 msgs = msgs.slice(msgs.length - messages_per_page);
46 new_old_div_name = randomString(5);
47 if (msgs.length < 1) {
53 document.getElementById(target_div).innerHTML +=
54 "<div id=\"" + new_old_div_name + "\">" +
55 "<div class=\"ctdl-forum-nav\">" +
56 "<a href=\"javascript:forum_readmessages('" + new_old_div_name + "', 0, " + newlt + ");\">" +
57 "<i class=\"fa fa-arrow-circle-up\"></i> " +
58 _("Older posts") + " <i class=\"fa fa-arrow-circle-up\"></a></div></div></a></div></div>" ;
61 // Render an empty div for each message. We will fill them in later.
63 document.getElementById(target_div).innerHTML += "<div id=\"ctdl_msg_" + msgs[i] + "\"> </div>" ;
64 document.getElementById("ctdl_msg_"+msgs[i]).style.display = "none";
66 if (lt_msg == 9999999999) {
67 new_new_div_name = randomString(5);
68 if (msgs.length <= 0) {
72 newgt = msgs[msgs.length-1];
74 document.getElementById(target_div).innerHTML +=
75 "<div id=\"" + new_new_div_name + "\">" +
76 "<div class=\"ctdl-forum-nav\">" +
77 "<a href=\"javascript:forum_readmessages('" + new_new_div_name + "', " + newgt + ", 9999999999);\">" +
78 "<i class=\"fa fa-arrow-circle-down\"></i> " +
79 _("Newer posts") + " <i class=\"fa fa-arrow-circle-down\"></a></div></div>" ;
82 // Now figure out where to scroll to after rendering.
86 else if (lt_msg < 9999999999) {
87 scroll_to = msgs[msgs.length-1];
89 else if ( (logged_in) && (gt_msg == 0) && (lt_msg == 9999999999) ) {
90 scroll_to = msgs[msgs.length-1];
93 scroll_to = msgs[0]; // FIXME this is too naive
96 // Render the individual messages in the divs
97 forum_render_messages(msgs, "ctdl_msg_", scroll_to)
100 // if xhr fails, this will make the link reappear so the user can try again
101 document.getElementById(target_div).innerHTML = original_text;
108 // Render a range of messages, with the div prefix specified
109 function forum_render_messages(msgs, prefix, scroll_to) {
110 for (i=0; i<msgs.length; ++i) {
111 forum_render_one(prefix, msgs[i], scroll_to);
116 // 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.
117 function forum_render_one(prefix, msgnum, scroll_to) {
118 document.body.style.cursor = "wait";
119 fetch_message = async() => {
120 response = await fetch("/ctdl/r/" + escapeHTMLURI(current_room) + "/" + msgs[i] + "/json");
121 msg = await response.json();
124 "<div class=\"ctdl-msg-wrapper\">" // begin message wrapper
125 + "<div class=\"ctdl-avatar\">" // begin avatar
126 + "<img src=\"/ctdl/u/" + msg.from + "/userpic\" width=\"32\" "
127 + "onerror=\"this.parentNode.innerHTML='<i class="fa fa-user-circle fa-2x"></i> '\">"
128 + "</div>" // end avatar
129 + "<div class=\"ctdl-msg-content\">" // begin content
130 + "<div class=\"ctdl-msg-header\">" // begin header
131 + "<span class=\"ctdl-msg-header-info\">" // begin header info on left side
132 + "<span class=\"ctdl-username\"><a href=\"#\">" // FIXME link to user profile
134 + "</a></span>" // end username
135 + "<span class=\"ctdl-msgdate\">"
137 + "</span>" // end msgdate
138 + "</span>" // end header info on left side
139 + "<span class=\"ctdl-msg-header-buttons\">" // begin buttons on right side
141 + "<span class=\"ctdl-msg-button\">" // Reply
142 + "<a href=\"javascript:open_reply_box('"+prefix+"',"+msgnum+",false,'"+msg.wefw+"','"+msg.msgn+"');\">"
143 + "<i class=\"fa fa-reply\"></i> "
147 + "<span class=\"ctdl-msg-button\">" // ReplyQuoted
148 + "<a href=\"javascript:open_reply_box('"+prefix+"',"+msgnum+",true,'"+msg.wefw+"','"+msg.msgn+"');\">"
149 + "<i class=\"fa fa-comment\"></i> "
153 + "<span class=\"ctdl-msg-button\"><a href=\"#\">" // Delete , show only with permission FIXME
154 + "<i class=\"fa fa-trash\"></i> "
158 + "</span>"; // end buttons on right side
161 "<br><span class=\"ctdl-msgsubject\">" + msg.subj + "</span>";
164 "</div><br>" // end header
165 + "<div class=\"ctdl-msg-body\">" // begin body
167 + "</div>" // end body
168 + "</div>" // end content
169 + "</div>" // end wrapper
171 document.getElementById(prefix+msgnum).innerHTML = outmsg;
174 document.getElementById(prefix+msgnum).innerHTML = "ERROR";
176 document.getElementById(prefix+msgnum).style.display = "inline";
177 if (msgnum == scroll_to) {
178 document.getElementById(prefix+msgnum).scrollIntoView({behavior: "smooth", block: "start", inline: "nearest"});
179 document.body.style.cursor = "default";
186 // Compose a references string using existing references plus the message being replied to
187 function compose_references(references, msgid) {
188 if (references.includes("@")) {
189 refs = references + "|";
196 // If the resulting string is too big, we can trim it here
197 while (refs.length > 900) {
199 r.splice(1,1); // remove the second element so we keep the root
206 // Open a reply box directly below a specific message
207 function open_reply_box(prefix, msgnum, is_quoted, references, msgid) {
208 target_div_name = prefix+msgnum;
209 new_div_name = prefix + "reply_to_" + msgnum;
210 document.getElementById(target_div_name).outerHTML += "<div id=\"" + new_div_name + "\">reply box put here</div>";
213 "<div class=\"ctdl-msg-wrapper ctdl-msg-reply\">" // begin message wrapper
214 + "<div class=\"ctdl-avatar\">" // begin avatar
215 + "<img src=\"/ctdl/u/" + "FIXME my name" + "/userpic\" width=\"32\" "
216 + "onerror=\"this.parentNode.innerHTML='<i class="fa fa-user-circle fa-2x"></i> '\">"
217 + "</div>" // end avatar
218 + "<div class=\"ctdl-msg-content\">" // begin content
219 + "<div class=\"ctdl-msg-header\">" // begin header
220 + "<span class=\"ctdl-msg-header-info\">" // begin header info on left side
221 + "<span class=\"ctdl-username\"><a href=\"#\">" // FIXME link to user profile
223 + "</a></span>" // end username
224 + "<span class=\"ctdl-msgdate\">"
226 + "</span>" // end msgdate
227 + "</span>" // end header info on left side
228 + "<span class=\"ctdl-msg-header-buttons\">" // begin buttons on right side
230 + "<span class=\"ctdl-msg-button\">" // bold button
231 + "<a href=\"javascript:void(0)\" onclick=\"forum_format('bold')\">"
232 + "<i class=\"fa fa-bold fa-fw\"></i>"
235 + "<span class=\"ctdl-msg-button\">" // italic button
236 + "<a href=\"javascript:void(0)\" onclick=\"forum_format('italic')\">"
237 + "<i class=\"fa fa-italic fa-fw\"></i>"
240 + "<span class=\"ctdl-msg-button\">" // list button
241 + "<a href=\"javascript:void(0)\" onclick=\"forum_format('insertunorderedlist')\">"
242 + "<i class=\"fa fa-list fa-fw\"></i>"
245 + "<span class=\"ctdl-msg-button\">" // link button
246 + "<a href=\"javascript:void(0)\" onclick=\"forum_display_urlbox()\">"
247 + "<i class=\"fa fa-link fa-fw\"></i>"
250 + "</span>"; // end buttons on right side
253 "<br><span id=\"ctdl-subject\" class=\"ctdl-msgsubject\">" + "FIXME subject" + "</span>";
255 else { // hidden filed for empty subject
256 replybox += "<span id=\"ctdl-subject\" style=\"display:none\"></span>";
259 "</div><br>" // end header
261 + "<span id=\"ctdl-replyreferences\" style=\"display:none\">" // hidden field for references
262 + compose_references(references,msgid) + "</span>"
264 + "<div class=\"ctdl-msg-body\" id=\"ctdl-editor-body\" style=\"padding:5px;\" contenteditable=\"true\">"
265 + "\n" // empty initial content
266 + "</div>" // end body
268 + "<div class=\"ctdl-msg-header\">" // begin footer
269 + "<span class=\"ctdl-msg-header-info\">" // begin footer info on left side
271 + "</span>" // end footer info on left side
272 + "<span class=\"ctdl-msg-header-buttons\">" // begin buttons on right side
274 + "<span class=\"ctdl-msg-button\"><a href=\"javascript:forum_save_message('" + new_div_name + "', '" + msgnum + "');\">"
275 + "<i class=\"fa fa-check\" style=\"color:green\"></i> " // save button
279 + "<span class=\"ctdl-msg-button\"><a href=\"javascript:forum_cancel_post('" + new_div_name + "');\">"
280 + "<i class=\"fa fa-trash\" style=\"color:red\"></i> " // cancel button
284 + "</span>" // end buttons on right side
285 + "</div><br>" // end footer
288 + "</div>" // end content
289 + "</div>" // end wrapper
291 + "<div id=\"forum_url_entry_box\" class=\"w3-modal\">" // begin URL entry modal
292 + " <div class=\"w3-modal-content w3-animate-top w3-card-4\">"
293 + " <header class=\"w3-container w3-blue\"> "
294 + " <p><span>URL:</span></p>"
296 + " <div class=\"w3-container w3-blue\">"
297 + " <input id=\"forum_txtFormatUrl\" placeholder=\"http://\" style=\"width:100%\">"
299 + " <footer class=\"w3-container w3-blue\">"
300 + " <p><span class=\"ctdl-msg-button\"><a href=\"javascript:forum_close_urlbox(true);\">"
301 + " <i class=\"fa fa-check\" style=\"color:green\"></i> "
304 + " <span class=\"ctdl-msg-button\"><a href=\"javascript:forum_close_urlbox(false);\">"
305 + " <i class=\"fa fa-trash\" style=\"color:red\"></i> "
311 + " <input id=\"forum_selection_start\" style=\"display:none\"></input>" // hidden fields
312 + " <input id=\"forum_selection_end\" style=\"display:none\"></input>" // to store selection range
313 + "</div>" // end URL entry modal
316 document.getElementById(new_div_name).innerHTML = replybox;
317 document.getElementById(new_div_name).scrollIntoView({behavior: "smooth", block: "end", inline: "nearest"});
319 // These actions must happen *after* the initial render loop completes.
320 setTimeout(function() {
321 var tag = document.getElementById("ctdl-editor-body");
322 tag.focus(); // sets the focus
323 window.getSelection().collapse(tag.firstChild, 0); // positions the cursor
328 // Abort a message post (it simply destroys the div)
329 function forum_cancel_post(div_name) {
330 document.getElementById(div_name).outerHTML = ""; // make it cease to exist
334 // Save the posted message to the server
335 function forum_save_message(div_name, reply_to_msgnum) {
337 document.body.style.cursor = "wait";
338 wefw = (document.getElementById("ctdl-replyreferences").innerHTML).replaceAll("|","!"); // references (if present)
339 subj = document.getElementById("ctdl-subject").innerHTML; // subject (if present)
341 url = "/ctdl/r/" + escapeHTMLURI(current_room)
342 + "/dummy_name_for_new_message"
345 boundary = randomString(20);
347 "--" + boundary + "\r\n"
348 + "Content-type: text/html\r\n"
349 + "Content-transfer-encoding: quoted-printable\r\n"
351 + quoted_printable_encode(
352 "<html><body>" + document.getElementById("ctdl-editor-body").innerHTML + "</body></html>"
354 + "--" + boundary + "--\r\n"
357 var request = new XMLHttpRequest();
358 request.open("PUT", url, true);
359 request.setRequestHeader("Content-type", "multipart/mixed; boundary=\"" + boundary + "\"");
360 request.onreadystatechange = function() {
361 if (request.readyState == 4) {
362 document.body.style.cursor = "default";
363 if (Math.trunc(request.status / 100) == 2) {
364 headers = request.getAllResponseHeaders().split("\n");
365 for (var i in headers) {
366 if (headers[i].startsWith("etag: ")) {
367 new_msg_num = headers[i].split(" ")[1];
370 alert("div_name=" + div_name + " , reply_to_msgnum = " + reply_to_msgnum + " , new_msg_num = " + new_msg_num);
371 document.getElementById(div_name).outerHTML = ""; // close the editor
374 error_message = request.responseText;
375 if (error_message.length == 0) {
376 error_message = _("An error has occurred.");
378 alert(error_message); // editor remains open
382 request.send(body_text);
386 // Bold, italics, etc.
387 function forum_format(command, value) {
388 document.execCommand(command, false, value);
392 // Make the URL entry box appear.
393 // When the user clicks into the URL box it will make the previous focus disappear, so we have to save it.
394 function forum_display_urlbox() {
395 document.getElementById("forum_selection_start").value = window.getSelection().anchorOffset;
396 document.getElementById("forum_selection_end").value = window.getSelection().focusOffset;
397 document.getElementById("forum_url_entry_box").style.display = "block";
401 // When the URL box is closed, this gets called. do_save is true for Save, false for Cancel.
402 function forum_close_urlbox(do_save) {
404 var tag = document.getElementById("ctdl-editor-body");
405 var start_replace = document.getElementById("forum_selection_start").value; // use saved selection range
406 var end_replace = document.getElementById("forum_selection_end").value;
407 new_text = tag.innerHTML.substring(0, start_replace)
408 + "<a href=\"" + document.getElementById("forum_txtFormatUrl").value + "\">"
409 + tag.innerHTML.substring(start_replace, end_replace)
411 + tag.innerHTML.substring(end_replace);
412 tag.innerHTML = new_text;
414 document.getElementById("forum_txtFormatUrl").value = ""; // clear url box for next time
415 document.getElementById("forum_url_entry_box").style.display = "none";