webcit-ng/static/js/main.js

   1 // Copyright (c) 2016-2022 by the citadel.org team
   2 //
   3 // This program is open source software.  It runs great on the
   4 // Linux operating system (and probably elsewhere).  You can use,
   5 // copy, and run it under the terms of the GNU General Public
   6 // License version 3.  Richard Stallman is an asshole communist.
   7 //
   8 // This program is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 // GNU General Public License for more details.
  12
  13
  14 // Placeholder for when we add i18n later
  15 function _(x) {
  16         return x;
  17 }
  18
  19
  20 // This is called at the very beginning of the main page load.
  21 ctdl_startup = async() => {
  22         response = await fetch("/ctdl/c/info");
  23
  24         if (response.ok) {
  25                 serv_info = await(response.json());
  26                 if (serv_info.serv_rev_level < 905) {
  27                         alert(_("Citadel server is too old, some functions may not work"));
  28                 }
  29
  30                 update_banner();
  31
  32                 // What do we do upon landing?
  33
  34                 if ( (serv_info.serv_supports_guest) || (logged_in) ) {                 // If the Lobby is visible,
  35                         gotonext(1);                                                    // go there.
  36                 }
  37                 else {                                                                  // Otherwise,
  38                         display_login_screen("");                                       // display the login modal.
  39                 }
  40         }
  41         else {
  42                 document.getElementById("ctdl-main").innerHTML =
  43                         "<div class=\"w3-panel w3-red\"><p>"
  44                         + _("This program was unable to connect or stay connected to the Citadel server.  Please report this problem to your system administrator.")
  45                         + "</div>";
  46         }
  47 }
  48
  49
  50 // Display a room list in the main div.
  51
  52 // Update the "banner" div with all relevant info.
  53 function update_banner() {
  54         detect_logged_in();
  55         if (current_room) {
  56                 document.getElementById("ctdl_banner_title").innerHTML = current_room;
  57                 document.title = current_room;
  58         }
  59         else {
  60                 document.getElementById("ctdl_banner_title").innerHTML = serv_info.serv_humannode;
  61         }
  62         document.getElementById("current_user").innerHTML = current_user ;
  63         if (logged_in) {
  64                 document.getElementById("lilo").innerHTML = "<a href=\"/ctdl/a/logout\"><i class=\"fa-regular fa-right-from-bracket\"></i>" + _("Log off") + "</a>" ;
  65         }
  66         else {
  67                 document.getElementById("lilo").innerHTML = "<a href=\"javascript:display_login_screen('')\">" + _("Log in") + "</a>" ;
  68         }
  69 }
  70
  71
  72 // goto room
  73 function gotoroom(roomname) {
  74
  75         fetch_room = async() => {
  76                 response = await fetch("/ctdl/r/" + escapeHTMLURI(roomname) + "/");
  77                 if (response.ok) {
  78                         data = await(response.json());
  79                         current_room = data.name;
  80                         new_messages = data.new_messages;
  81                         total_messages = data.total_messages;
  82                         current_view = data.current_view;
  83                         default_view = data.default_view;
  84                         last_seen = data.last_seen;
  85                         update_banner();
  86                         render_room_view(0, 9999999999);
  87                 }
  88         }
  89         fetch_room();
  90 }
  91
  92
  93 // Goto next room with unread messages
  94 // which_oper is 0=ungoto, 1=skip, 2=goto
  95 function gotonext(which_oper) {
  96         if (which_oper == 2) {                                  // Goto needs to mark messages as seen
  97
  98                 set_last_read_pointer = async() => {
  99                         response = await fetch("/ctdl/r/" + escapeHTMLURI(current_room) + "/slrp?last=" + last_seen);
 100                 }
 101                 set_last_read_pointer();
 102         }
 103
 104         if ((which_oper == 1) || (which_oper == 2)) {           // Skip or Goto both take us to the "next" room
 105                 if (march_list.length == 0) {
 106                         console.log("Loading march list");
 107                         load_new_march_list(which_oper);        // we will recurse back here
 108                 }
 109                 else {
 110                         next_room = march_list[0].name;
 111                         march_list.splice(0, 1);
 112                         console.log("going to " + next_room + " , " + march_list.length + " rooms remaining");
 113                         gotoroom(next_room);
 114                 }
 115         }
 116
 117         // FIXME implement mode 0 (ungoto)
 118
 119 }
 120
 121
 122 // Called by gotonext() when the march list is empty.
 123 function load_new_march_list(which_oper) {
 124         fetchm = async() => {
 125                 response = await fetch("/ctdl/r/");
 126                 march_list = await(response.json());
 127                 if (response.ok) {
 128                         march_list = march_list.filter(function(room) {
 129                                 return room.hasnewmsgs;
 130                         });
 131                         march_list = march_list.sort(function(a,b) {
 132                                 if (a.floor != b.floor) {
 133                                         return(a.floor - b.floor);
 134                                 }
 135                                 if (a.rorder != b.rorder) {
 136                                         return(a.rorder - b.rorder);
 137                                 }
 138                                 return(a.name < b.name);
 139                         });
 140
 141                         // If there are still no rooms with new messages, go to the Lobby.
 142                         if (march_list.length == 0) {
 143                                 march_list.push({name:"_BASEROOM_",known:true,hasnewmsgs:true,floor:0});
 144                         }
 145
 146                         gotonext(which_oper);
 147                 }
 148         }
 149         fetchm();
 150 }
 151
 152
 153 // Activate the "Loading..." modal
 154 function activate_loading_modal() {
 155         document.getElementById("ctdl_big_modal").innerHTML =
 156                   "<div class=\"w3-modal-content\">"
 157                 + "  <div class=\"w3-container\">"
 158
 159                 + "<i class=\"fas fa-spinner fa-spin\"></i>&nbsp;&nbsp;"
 160                 + _("Loading messages from server, please wait")
 161
 162                 + "  </div>"
 163                 + "</div>";
 164         document.getElementById("ctdl_big_modal").style.display = "block";
 165 }
 166
 167
 168 // Disappear the "Loading..." modal
 169 function deactivate_loading_modal() {
 170         document.getElementById("ctdl_big_modal").style.display = "none";
 171 }