Display To: and Cc: properly
[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
70                         // Display the To: recipients, if any are present
71                         if (msg.rcpt) {
72                                 outmsg += "<br><span>" + _("To:") + " ";
73                                 for (var r=0; r<msg.rcpt.length; ++r) {
74                                         if (r != 0) {
75                                                 outmsg += ", ";
76                                         }
77                                         outmsg += escapeHTML(msg.rcpt[r]);
78                                 }
79                                 outmsg += "</span>";
80                         }
81
82                         // Display the Cc: recipients, if any are present
83                         if (msg.cccc) {
84                                 outmsg += "<br><span>" + _("Cc:") + " ";
85                                 for (var r=0; r<msg.cccc.length; ++r) {
86                                         if (r != 0) {
87                                                 outmsg += ", ";
88                                         }
89                                         outmsg += escapeHTML(msg.cccc[r]);
90                                 }
91                                 outmsg += "</span>";
92                         }
93
94                         // Display a subject line, but only if the message has a subject (internal Citadel messages often don't)
95                         if (msg.subj) {
96                                 outmsg +=
97                                 "<br><span class=\"ctdl-msgsubject\">" + msg.subj + "</span>";
98                         }
99
100                         outmsg +=
101                           "</div>";                                             // end header
102                 }
103
104                 outmsg +=
105                   "<div class=\"ctdl-msg-body\" id=\"" + div + "_body\">"       // begin body
106                 + msg.text
107                 + "</div>"                                                      // end body
108                 + "</div>"                                                      // end content
109                 + "</div>"                                                      // end wrapper
110                 ;
111         }
112         catch(err) {
113                 outmsg = "<div class=\"ctdl-mmsg-wrapper\">" + err.message + "</div>";
114         }
115
116         target_div.innerHTML = outmsg;
117 }
118
119
120 // display an individual message (note: this wants an actual div object, not a string containing the name of a div)
121 function mail_display_message(msgnum, target_div, include_controls) {
122         url = "/ctdl/r/" + escapeHTMLURI(current_room) + "/" + msgnum + "/json";
123         mail_fetch_msg = async() => {
124                 response = await fetch(url);
125                 msg = await(response.json());
126                 if (response.ok) {
127                         mail_render_one(msgnum, msg, target_div, include_controls);
128                 }
129         }
130         mail_fetch_msg();
131 }
132
133
134 // A message has been selected...
135 function select_message(msgnum) {
136         // unhighlight any previously selected message
137         try {
138                 document.getElementById("ctdl-msgsum-" + selected_message).classList.remove("ctdl-mail-selected");
139         }
140         catch {
141         }
142
143         // highlight the newly selected message
144         document.getElementById("ctdl-msgsum-" + msgnum).classList.add("ctdl-mail-selected");
145         //document.getElementById("ctdl-msgsum-" + msgnum).scrollIntoView();
146
147         // display the message if it isn't already displayed
148         if (selected_message != msgnum) {
149                 selected_message = msgnum;
150                 mail_display_message(msgnum, document.getElementById("ctdl-mailbox-reading-pane"), 1);
151         }
152 }
153
154
155 // render one row in the mailbox table (this could be called from one of several places)
156 function mail_render_row(msg) {
157         row     = "<tr "
158                 + "id=\"ctdl-msgsum-" + msg["msgnum"] + "\" "
159                 + "onClick=\"select_message(" + msg["msgnum"] + ");\" "
160                 //+ "onmouseenter=\"console.log('mouse in');\" "
161                 //+ "onmouseleave=\"console.log('mouse out');\""
162                 + ">"
163                 + "<td class=\"ctdl-mail-subject\">" + msg["subject"] + "</td>"
164                 + "<td class=\"ctdl-mail-sender\">" + msg["author"] + "</td>"
165                 + "<td class=\"ctdl-mail-date\">" + string_timestamp(msg["time"],1) + "</td>"
166                 + "<td class=\"ctdl-mail-msgnum\">" + msg["msgnum"] + "</td>"
167                 + "</tr>";
168         return(row);
169 }
170
171
172 // Set up the mailbox view
173 function mail_display() {
174
175         // Put the "enter new message" button into the sidebar
176         document.getElementById("ctdl-newmsg-button").innerHTML = "<i class=\"fa fa-edit\"></i>" + _("Write mail");
177         document.getElementById("ctdl-newmsg-button").style.display = "block";
178
179         document.getElementById("ctdl-main").innerHTML
180                 = "<div id=\"ctdl-mailbox-grid-container\" class=\"ctdl-mailbox-grid-container\">"
181                 + "<div id=\"ctdl-mailbox-pane\" class=\"ctdl-mailbox-pane\"></div>"
182                 + "<div id=\"ctdl-mailbox-reading-pane\" class=\"ctdl-mailbox-reading-pane\"></div>"
183                 + "</div>"
184         ;
185
186         render_mailbox_display();
187         try {                                                   // if this was already set up, clear it so there aren't multiple
188                 clearInterval(RefreshMailboxInterval);
189         }
190         catch {
191         }
192         RefreshMailboxInterval = setInterval(refresh_mail_display, 10000);
193 }
194
195
196 // Refresh the mailbox, either for the first time or whenever needed
197 function refresh_mail_display() {
198
199         // If the "ctdl-mailbox-pane" no longer exists, the user has navigated to a different part of the site,
200         // so cancel the refresh.
201         try {
202                 document.getElementById("ctdl-mailbox-pane").innerHTML;
203         }
204         catch {
205                 console.log("ending refresh_mail_display()");
206                 clearInterval(RefreshMailboxInterval);
207                 return;
208         }
209
210         // Ask the server if the room has been written to since our last look at it.
211         url = "/ctdl/r/" + escapeHTMLURI(current_room) + "/stat";
212         fetch_stat = async() => {
213                 response = await fetch(url);
214                 stat = await(response.json());
215                 if (stat.room_mtime > room_mtime) {
216                         room_mtime = stat.room_mtime;
217                         render_mailbox_display();
218                 }
219         }
220         fetch_stat();
221 }
222
223
224 // This is where the rendering of the message list in the mailbox view is performed.
225 function render_mailbox_display() {
226
227         url = "/ctdl/r/" + escapeHTMLURI(current_room) + "/mailbox";
228         fetch_mailbox = async() => {
229                 response = await fetch(url);
230                 msgs = await(response.json());
231                 if (response.ok) {
232
233                         box =   "<table class=\"ctdl-mailbox-table\" width=100%><tr>"
234                                 + "<th>" + _("Subject") + "</th>"
235                                 + "<th>" + _("Sender") + "</th>"
236                                 + "<th>" + _("Date") + "</th>"
237                                 + "<th>#</th>"
238                                 + "</tr>";
239
240                         for (var i=0; i<msgs.length; ++i) {
241                                 box += mail_render_row(msgs[i]);
242                         }
243
244                         box +=  "</table>";
245                         document.getElementById("ctdl-mailbox-pane").innerHTML = box;
246
247                         if (selected_message > 0) {                     // if we had a message selected, keep it selected
248                                 select_message(selected_message);
249                         }
250                 }
251         }
252         fetch_mailbox();
253 }
254
255
256 // Compose a new mail message (called by the Reply button here, or by the dispatcher in views.js)
257 function mail_compose(is_quoted, references, msgnum, m_to, m_cc, m_subject) {
258         quoted_div_name = randomString();
259
260         // Make the "Write mail" button disappear.  We're already there!
261         document.getElementById("ctdl-newmsg-button").style.display = "none";
262
263         // is_quoted    true or false depending on whether the user selected "reply quoted" (is this appropriate for mail?)
264         // references   list of references, be sure to use this in a reply
265         // msgid        if a reply, the msgid of the most recent message in the chain, the one to which we are replying
266
267         // Now display the screen.
268         compose_screen =
269                 // Hidden values that we are storing right here in the document tree for later
270                   "<input id=\"ctdl_mc_is_quoted\" style=\"display:none\" value=\"" + is_quoted + "\"></input>"
271                 + "<input id=\"ctdl_mc_references\" style=\"display:none\" value=\"" + references + "\"></input>"
272
273                 // Header fields, the composition window, and the button bar are arranged using a Grid layout.
274                 + "<div id=\"ctdl-compose-mail\" class=\"ctdl-compose-mail\">"
275
276                 // Visible To: field, plus a box to make the CC/BCC lines appear
277                 + "<div class=\"ctdl-compose-to-label\">" + _("To:") + "</div>"
278                 + "<div class=\"ctdl-compose-to-line\">"
279                 + "<div class=\"ctdl-compose-to-field\" id=\"ctdl-compose-to-field\" contenteditable=\"true\">" + m_to + "</div>"
280                 + "<div class=\"ctdl-cc-bcc-buttons ctdl-msg-button\" id=\"ctdl-cc-bcc-buttons\" "
281                 + "onClick=\"make_cc_bcc_visible()\">"
282                 + _("CC:") + "/" + _("BCC:") + "</div>"
283                 + "</div>"
284
285                 // CC/BCC
286                 + "<div class=\"ctdl-compose-cc-label\" id=\"ctdl-compose-cc-label\">" + _("CC:") + "</div>"
287                 + "<div class=\"ctdl-compose-cc-field\" id=\"ctdl-compose-cc-field\" contenteditable=\"true\">" + m_cc + "</div>"
288                 + "<div class=\"ctdl-compose-bcc-label\" id=\"ctdl-compose-bcc-label\">" + _("BCC:") + "</div>"
289                 + "<div class=\"ctdl-compose-bcc-field\" id=\"ctdl-compose-bcc-field\" contenteditable=\"true\"></div>"
290
291                 // Visible subject field
292                 + "<div class=\"ctdl-compose-subject-label\">" + _("Subject:") + "</div>"
293                 + "<div class=\"ctdl-compose-subject-field\" id=\"ctdl-compose-subject-field\" contenteditable=\"true\">" + m_subject + "</div>"
294
295                 // Message composition box
296                 + "<div class=\"ctdl-compose-message-box\" id=\"ctdl-editor-body\" contenteditable=\"true\">"
297         ;
298
299         if (is_quoted) {
300                 compose_screen +=
301                           "<br><br><blockquote><div id=\"" + quoted_div_name + "\">"
302                         + "FIXME get the quoted message into here"
303                         + "</div></blockquote>";
304                 ;
305         }
306
307         compose_screen +=
308                   "</div>"
309
310                 // The button bar is a Grid element, and is also a Flexbox container.
311                 + "<div class=\"ctdl-compose-toolbar\">"
312                 + "<span class=\"ctdl-msg-button\" onclick=\"mail_save_message()\"><i class=\"fa fa-paper-plane\" style=\"color:green\"></i> " + _("Send message") + "</span>"
313                 + "<span class=\"ctdl-msg-button\">" + _("Save to Drafts") + "</span>"
314                 + "<span class=\"ctdl-msg-button\">" + _("Attachments:") + " 0" + "</span>"
315                 + "<span class=\"ctdl-msg-button\">" + _("Contacts") + "</span>"
316                 + "<span class=\"ctdl-msg-button\" onClick=\"gotoroom(current_room)\"><i class=\"fa fa-trash\" style=\"color:red\"></i> " + _("Cancel") + "</span>"
317                 + "</div>"
318         ;
319
320         document.getElementById("ctdl-main").innerHTML = compose_screen;
321         mail_display_message(msgnum, document.getElementById(quoted_div_name), 0);
322 }
323
324
325 function make_cc_bcc_visible() {
326         document.getElementById("ctdl-cc-bcc-buttons").style.display = "none";
327         document.getElementById("ctdl-compose-cc-label").style.display = "block";
328         document.getElementById("ctdl-compose-cc-field").style.display = "block";
329         document.getElementById("ctdl-compose-bcc-label").style.display = "block";
330         document.getElementById("ctdl-compose-bcc-field").style.display = "block";
331 }
332
333
334 // Helper function for mail_save_messages() to extract form values.
335 // (We have to replace "|" with "!" because "|" is a field separator in the Citadel protocol)
336 function msm_field(element_name, separator) {
337         return (document.getElementById(element_name).innerHTML).replaceAll("|",separator);
338 }
339
340
341 // Save the posted message to the server
342 function mail_save_message() {
343
344         document.body.style.cursor = "wait";
345         url = "/ctdl/r/" + escapeHTMLURI(current_room)
346                 + "/dummy_name_for_new_mail"
347                 + "?wefw="      + msm_field("ctdl_mc_references", "!")                          // references (if present)
348                 + "&subj="      + msm_field("ctdl-compose-subject-field", " ")                  // subject (if present)
349                 + "&mailto="    + msm_field("ctdl-compose-to-field", ",")                       // To: (required)
350                 + "&mailcc="    + msm_field("ctdl-compose-cc-field", ",")                       // Cc: (if present)
351                 + "&mailbcc="   + msm_field("ctdl-compose-bcc-field", ",")                      // Bcc: (if present)
352         ;
353         boundary = randomString();
354         body_text =
355                 "--" + boundary + "\r\n"
356                 + "Content-type: text/html\r\n"
357                 + "Content-transfer-encoding: quoted-printable\r\n"
358                 + "\r\n"
359                 + quoted_printable_encode(
360                         "<html><body>" + document.getElementById("ctdl-editor-body").innerHTML + "</body></html>"
361                 ) + "\r\n"
362                 + "--" + boundary + "--\r\n"
363         ;
364
365         var request = new XMLHttpRequest();
366         request.open("PUT", url, true);
367         request.setRequestHeader("Content-type", "multipart/mixed; boundary=\"" + boundary + "\"");
368         request.onreadystatechange = function() {
369                 if (request.readyState == 4) {
370                         document.body.style.cursor = "default";
371                         if (Math.trunc(request.status / 100) == 2) {
372                                 headers = request.getAllResponseHeaders().split("\n");
373                                 for (var i in headers) {
374                                         if (headers[i].startsWith("etag: ")) {
375                                                 new_msg_num = headers[i].split(" ")[1];
376                                         }
377                                 }
378
379                                 // After saving the message, go back to the mailbox view.
380                                 gotoroom(current_room);
381
382                         }
383                         else {
384                                 error_message = request.responseText;
385                                 if (error_message.length == 0) {
386                                         error_message = _("An error has occurred.");
387                                 }
388                                 alert(error_message);                                           // editor remains open
389                         }
390                 }
391         };
392         request.send(body_text);
393 }
394