e1acae54f8dc4ec97afe89ba10c97730da1ff9a7
[citadel.git] / webcit-ng / static / js / view_mail.js
1 // This module handles the view for "mailbox" rooms.
2 //
3 // Copyright (c) 2016-2022 by the citadel.org team
4 //
5 // This program is open source software.  Use, duplication, or
6 // disclosure are subject to the GNU General Public License v3.
7
8
9 var selected_message = 0;                                                       // Remember the last message that was selected
10 var RefreshMailboxInterval;                                                     // We store our refresh timer here
11
12
13 // Render reply address for a message (FIXME we might want to figure out in-reply-to)
14 function reply_addr(msg) {
15         if (msg.locl) {
16                 return(msg.from);
17         }
18         else {
19                 return(msg.from + " <" + msg.rfca + ">");
20         }
21 }
22
23
24 // Render a message into the mailbox view
25 // (We want the message number and the message itself because we need to keep the msgnum for reply purposes)
26 function mail_render_one(msgnum, msg, target_div, include_controls) {
27         let div = "FIXME";
28         try {
29                 outmsg =
30                   "<div class=\"ctdl-mmsg-wrapper\">"                           // begin message wrapper
31                 ;
32
33                 if (include_controls) {                                         // omit controls if this is a pull quote
34                         outmsg +=
35                           render_userpic(msg.from)                              // user avatar
36                         + "<div class=\"ctdl-mmsg-content\">"                   // begin content
37                         + "<div class=\"ctdl-msg-header\">"                     // begin header
38                         + "<span class=\"ctdl-msg-header-info\">"               // begin header info on left side
39                         + render_msg_author(msg)
40                         + "<span class=\"ctdl-msgdate\">"
41                         + string_timestamp(msg.time,0)
42                         + "</span>"                                             // end msgdate
43                         + "</span>"                                             // end header info on left side
44                         + "<span class=\"ctdl-msg-header-buttons\">"            // begin buttons on right side
45                 
46                         + "<span class=\"ctdl-msg-button\">"                    // Reply (mail is always Quoted)
47                         + "<a href=\"javascript:mail_compose(true,'"+msg.wefw+"','"+msgnum+"', reply_addr(msg), '', 'Re: '+msg.subj);\">"
48                         + "<i class=\"fa fa-reply\"></i> " 
49                         + _("Reply")
50                         + "</a></span>"
51                 
52                         + "<span class=\"ctdl-msg-button\">"                    // Reply-All (mail is always Quoted)
53                         + "<a href=\"javascript:mail_compose(true,'"+msg.wefw+"','"+msgnum+"', '', '', 'Re: '+msg.subj);\">"
54                         + "<i class=\"fa fa-reply-all\"></i> " 
55                         + _("ReplyAll")
56                         + "</a></span>";
57                 
58                         if (can_delete_messages) {
59                                 outmsg +=
60                                 "<span class=\"ctdl-msg-button\">"
61                                 + "<a href=\"javascript:forum_delete_message('"+div+"','"+msg.msgnum+"');\">"
62                                 + "<i class=\"fa fa-trash\"></i> " 
63                                 + _("Delete")
64                                 + "</a></span>";
65                         }
66                 
67                         outmsg +=
68                           "</span>";                                            // end buttons on right side
69                         if (msg.subj) {
70                                 outmsg +=
71                                 "<br><span class=\"ctdl-msgsubject\">" + msg.subj + "</span>";
72                         }
73                         outmsg +=
74                           "</div>";                                             // end header
75                 }
76
77                 outmsg +=
78                   "<div class=\"ctdl-msg-body\" id=\"" + div + "_body\">"       // begin body
79                 + msg.text
80                 + "</div>"                                                      // end body
81                 + "</div>"                                                      // end content
82                 + "</div>"                                                      // end wrapper
83                 ;
84         }
85         catch(err) {
86                 outmsg = "<div class=\"ctdl-mmsg-wrapper\">" + err.message + "</div>";
87         }
88
89         target_div.innerHTML = outmsg;
90 }
91
92
93 // display an individual message (note: this wants an actual div object, not a string containing the name of a div)
94 function mail_display_message(msgnum, target_div, include_controls) {
95         url = "/ctdl/r/" + escapeHTMLURI(current_room) + "/" + msgnum + "/json";
96         mail_fetch_msg = async() => {
97                 response = await fetch(url);
98                 msg = await(response.json());
99                 if (response.ok) {
100                         mail_render_one(msgnum, msg, target_div, include_controls);
101                 }
102         }
103         mail_fetch_msg();
104 }
105
106
107 // A message has been selected...
108 function select_message(msgnum) {
109         // unhighlight any previously selected message
110         try {
111                 document.getElementById("ctdl-msgsum-" + selected_message).classList.remove("ctdl-mail-selected");
112         }
113         catch {
114         }
115
116         // highlight the newly selected message
117         document.getElementById("ctdl-msgsum-" + msgnum).classList.add("ctdl-mail-selected");
118         //document.getElementById("ctdl-msgsum-" + msgnum).scrollIntoView();
119
120         // display the message if it isn't already displayed
121         if (selected_message != msgnum) {
122                 selected_message = msgnum;
123                 mail_display_message(msgnum, document.getElementById("ctdl-mailbox-reading-pane"), 1);
124         }
125 }
126
127
128 // render one row in the mailbox table (this could be called from one of several places)
129 function mail_render_row(msg) {
130         row     = "<tr "
131                 + "id=\"ctdl-msgsum-" + msg["msgnum"] + "\" "
132                 + "onClick=\"select_message(" + msg["msgnum"] + ");\" "
133                 //+ "onmouseenter=\"console.log('mouse in');\" "
134                 //+ "onmouseleave=\"console.log('mouse out');\""
135                 + ">"
136                 + "<td class=\"ctdl-mail-subject\">" + msg["subject"] + "</td>"
137                 + "<td class=\"ctdl-mail-sender\">" + msg["author"] + "</td>"
138                 + "<td class=\"ctdl-mail-date\">" + string_timestamp(msg["time"],1) + "</td>"
139                 + "<td class=\"ctdl-mail-msgnum\">" + msg["msgnum"] + "</td>"
140                 + "</tr>";
141         return(row);
142 }
143
144
145 // Set up the mailbox view
146 function mail_display() {
147
148         // Put the "enter new message" button into the sidebar
149         document.getElementById("ctdl-newmsg-button").innerHTML = "<i class=\"fa fa-edit\"></i>" + _("Write mail");
150         document.getElementById("ctdl-newmsg-button").style.display = "block";
151
152         document.getElementById("ctdl-main").innerHTML
153                 = "<div id=\"ctdl-mailbox-grid-container\" class=\"ctdl-mailbox-grid-container\">"
154                 + "<div id=\"ctdl-mailbox-pane\" class=\"ctdl-mailbox-pane\"></div>"
155                 + "<div id=\"ctdl-mailbox-reading-pane\" class=\"ctdl-mailbox-reading-pane\"></div>"
156                 + "</div>"
157         ;
158
159         render_mailbox_display();
160         try {                                                   // if this was already set up, clear it so there aren't multiple
161                 clearInterval(RefreshMailboxInterval);
162         }
163         catch {
164         }
165         RefreshMailboxInterval = setInterval(refresh_mail_display, 10000);
166 }
167
168
169 // Refresh the mailbox, either for the first time or whenever needed
170 function refresh_mail_display() {
171
172         // If the "ctdl-mailbox-pane" no longer exists, the user has navigated to a different part of the site,
173         // so cancel the refresh.
174         try {
175                 document.getElementById("ctdl-mailbox-pane").innerHTML;
176         }
177         catch {
178                 console.log("ending refresh_mail_display()");
179                 clearInterval(RefreshMailboxInterval);
180                 return;
181         }
182
183         // Ask the server if the room has been written to since our last look at it.
184         url = "/ctdl/r/" + escapeHTMLURI(current_room) + "/stat";
185         fetch_stat = async() => {
186                 response = await fetch(url);
187                 stat = await(response.json());
188                 if (stat.room_mtime > room_mtime) {
189                         room_mtime = stat.room_mtime;
190                         render_mailbox_display();
191                 }
192         }
193         fetch_stat();
194 }
195
196
197 // This is where the rendering of the message list in the mailbox view is performed.
198 function render_mailbox_display() {
199
200         url = "/ctdl/r/" + escapeHTMLURI(current_room) + "/mailbox";
201         fetch_mailbox = async() => {
202                 response = await fetch(url);
203                 msgs = await(response.json());
204                 if (response.ok) {
205
206                         box =   "<table class=\"ctdl-mailbox-table\" width=100%><tr>"
207                                 + "<th>" + _("Subject") + "</th>"
208                                 + "<th>" + _("Sender") + "</th>"
209                                 + "<th>" + _("Date") + "</th>"
210                                 + "<th>#</th>"
211                                 + "</tr>";
212
213                         for (var i=0; i<msgs.length; ++i) {
214                                 box += mail_render_row(msgs[i]);
215                         }
216
217                         box +=  "</table>";
218                         document.getElementById("ctdl-mailbox-pane").innerHTML = box;
219
220                         if (selected_message > 0) {                     // if we had a message selected, keep it selected
221                                 select_message(selected_message);
222                         }
223                 }
224         }
225         fetch_mailbox();
226 }
227
228
229 // Compose a new mail message (called by the Reply button here, or by the dispatcher in views.js)
230 function mail_compose(is_quoted, references, msgnum, m_to, m_cc, m_subject) {
231         quoted_div_name = randomString();
232
233         // Make the "Write mail" button disappear.  We're already there!
234         document.getElementById("ctdl-newmsg-button").style.display = "none";
235
236         // is_quoted    true or false depending on whether the user selected "reply quoted" (is this appropriate for mail?)
237         // references   list of references, be sure to use this in a reply
238         // msgid        if a reply, the msgid of the most recent message in the chain, the one to which we are replying
239
240         // Now display the screen.
241         compose_screen =
242                 // Hidden values that we are storing right here in the document tree for later
243                   "<input id=\"ctdl_mc_is_quoted\" style=\"display:none\" value=\"" + is_quoted + "\"></input>"
244                 + "<input id=\"ctdl_mc_references\" style=\"display:none\" value=\"" + references + "\"></input>"
245
246                 // Header fields, the composition window, and the button bar are arranged using a Grid layout.
247                 + "<div id=\"ctdl-compose-mail\" class=\"ctdl-compose-mail\">"
248
249                 // Visible To: field, plus a box to make the CC/BCC lines appear
250                 + "<div class=\"ctdl-compose-to-label\">" + _("To:") + "</div>"
251                 + "<div class=\"ctdl-compose-to-line\">"
252                 + "<div class=\"ctdl-compose-to-field\" id=\"ctdl-compose-to-field\" contenteditable=\"true\">" + m_to + "</div>"
253                 + "<div class=\"ctdl-cc-bcc-buttons ctdl-msg-button\" id=\"ctdl-cc-bcc-buttons\" "
254                 + "onClick=\"make_cc_bcc_visible()\">"
255                 + _("CC:") + "/" + _("BCC:") + "</div>"
256                 + "</div>"
257
258                 // CC/BCC
259                 + "<div class=\"ctdl-compose-cc-label\" id=\"ctdl-compose-cc-label\">" + _("CC:") + "</div>"
260                 + "<div class=\"ctdl-compose-cc-field\" id=\"ctdl-compose-cc-field\" contenteditable=\"true\">" + m_cc + "</div>"
261                 + "<div class=\"ctdl-compose-bcc-label\" id=\"ctdl-compose-bcc-label\">" + _("BCC:") + "</div>"
262                 + "<div class=\"ctdl-compose-bcc-field\" id=\"ctdl-compose-bcc-field\" contenteditable=\"true\"></div>"
263
264                 // Visible subject field
265                 + "<div class=\"ctdl-compose-subject-label\">" + _("Subject:") + "</div>"
266                 + "<div class=\"ctdl-compose-subject-field\" id=\"ctdl-compose-subject-field\" contenteditable=\"true\">" + m_subject + "</div>"
267
268                 // Message composition box
269                 + "<div class=\"ctdl-compose-message-box\" id=\"ctdl-editor-body\" contenteditable=\"true\">"
270         ;
271
272         if (is_quoted) {
273                 compose_screen +=
274                           "<br><br><blockquote><div id=\"" + quoted_div_name + "\">"
275                         + "FIXME get the quoted message into here"
276                         + "</div></blockquote>";
277                 ;
278         }
279
280         compose_screen +=
281                   "</div>"
282
283                 // The button bar is a Grid element, and is also a Flexbox container.
284                 + "<div class=\"ctdl-compose-toolbar\">"
285                 + "<span class=\"ctdl-msg-button\" onclick=\"mail_save_message()\"><i class=\"fa fa-paper-plane\" style=\"color:green\"></i> " + _("Send message") + "</span>"
286                 + "<span class=\"ctdl-msg-button\">" + _("Save to Drafts") + "</span>"
287                 + "<span class=\"ctdl-msg-button\">" + _("Attachments:") + " 0" + "</span>"
288                 + "<span class=\"ctdl-msg-button\">" + _("Contacts") + "</span>"
289                 + "<span class=\"ctdl-msg-button\" onClick=\"gotoroom(current_room)\"><i class=\"fa fa-trash\" style=\"color:red\"></i> " + _("Cancel") + "</span>"
290                 + "</div>"
291         ;
292
293         document.getElementById("ctdl-main").innerHTML = compose_screen;
294         mail_display_message(msgnum, document.getElementById(quoted_div_name), 0);
295 }
296
297
298 function make_cc_bcc_visible() {
299         document.getElementById("ctdl-cc-bcc-buttons").style.display = "none";
300         document.getElementById("ctdl-compose-cc-label").style.display = "block";
301         document.getElementById("ctdl-compose-cc-field").style.display = "block";
302         document.getElementById("ctdl-compose-bcc-label").style.display = "block";
303         document.getElementById("ctdl-compose-bcc-field").style.display = "block";
304 }
305
306
307 // Helper function for mail_save_messages() to extract form values.
308 // (We have to replace "|" with "!" because "|" is a field separator in the Citadel protocol)
309 function msm_field(element_name, separator) {
310         return (document.getElementById(element_name).innerHTML).replaceAll("|",separator);
311 }
312
313
314 // Save the posted message to the server
315 function mail_save_message() {
316
317         document.body.style.cursor = "wait";
318         url = "/ctdl/r/" + escapeHTMLURI(current_room)
319                 + "/dummy_name_for_new_mail"
320                 + "?wefw="      + msm_field("ctdl_mc_references", "!")                          // references (if present)
321                 + "&subj="      + msm_field("ctdl-compose-subject-field", " ")                  // subject (if present)
322                 + "&mailto="    + msm_field("ctdl-compose-to-field", ",")                       // To: (required)
323                 + "&mailcc="    + msm_field("ctdl-compose-cc-field", ",")                       // Cc: (if present)
324                 + "&mailbcc="   + msm_field("ctdl-compose-bcc-field", ",")                      // Bcc: (if present)
325         ;
326         boundary = randomString();
327         body_text =
328                 "--" + boundary + "\r\n"
329                 + "Content-type: text/html\r\n"
330                 + "Content-transfer-encoding: quoted-printable\r\n"
331                 + "\r\n"
332                 + quoted_printable_encode(
333                         "<html><body>" + document.getElementById("ctdl-editor-body").innerHTML + "</body></html>"
334                 ) + "\r\n"
335                 + "--" + boundary + "--\r\n"
336         ;
337
338         var request = new XMLHttpRequest();
339         request.open("PUT", url, true);
340         request.setRequestHeader("Content-type", "multipart/mixed; boundary=\"" + boundary + "\"");
341         request.onreadystatechange = function() {
342                 if (request.readyState == 4) {
343                         document.body.style.cursor = "default";
344                         if (Math.trunc(request.status / 100) == 2) {
345                                 headers = request.getAllResponseHeaders().split("\n");
346                                 for (var i in headers) {
347                                         if (headers[i].startsWith("etag: ")) {
348                                                 new_msg_num = headers[i].split(" ")[1];
349                                         }
350                                 }
351
352                                 // After saving the message, go back to the mailbox view.
353                                 gotoroom(current_room);
354
355                         }
356                         else {
357                                 error_message = request.responseText;
358                                 if (error_message.length == 0) {
359                                         error_message = _("An error has occurred.");
360                                 }
361                                 alert(error_message);                                           // editor remains open
362                         }
363                 }
364         };
365         request.send(body_text);
366 }
367