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 // This is called at the very beginning of the main page load.
  15 ctdl_startup = async() => {
  16         response = await fetch("/ctdl/c/info");
  17
  18         if (response.ok) {
  19                 serv_info = await(response.json());
  20                 if (serv_info.serv_rev_level < 905) {
  21                         alert(_("Citadel server is too old, some functions may not work"));
  22                 }
  23
  24                 update_banner();
  25
  26                 // What do we do upon landing?
  27
  28                 if ( (serv_info.serv_supports_guest) || (logged_in) ) {                 // If the Lobby is visible,
  29                         gotonext(1);                                                    // go there.
  30                 }
  31                 else {                                                                  // Otherwise,
  32                         display_login_screen("");                                       // display the login modal.
  33                 }
  34         }
  35         else {
  36                 document.getElementById("ctdl-main").innerHTML =
  37                         "<div class=\"w3-panel w3-red\"><p>"
  38                         + _("This program was unable to connect or stay connected to the Citadel server.  Please report this problem to your system administrator.")
  39                         + "</div>";
  40         }
  41 }
  42
  43
  44 // Display a room list in the main div.
  45
  46 // Update the "banner" div with all relevant info.
  47 function update_banner() {
  48         detect_logged_in();
  49         if (current_room) {
  50                 document.getElementById("ctdl_banner_title").innerHTML = current_room;
  51                 document.title = current_room;
  52
  53
  54
  55         }
  56         else {
  57                 document.getElementById("ctdl_banner_title").innerHTML = serv_info.serv_humannode;
  58         }
  59         document.getElementById("current_user").innerHTML = current_user ;
  60         if (logged_in) {
  61                 document.getElementById("lilo").innerHTML = "<a href=\"/ctdl/a/logout\"><i class=\"fa fa-right-from-bracket\"></i>" + _("Log off") + "</a>" ;
  62         }
  63         else {
  64                 document.getElementById("lilo").innerHTML = "<a href=\"javascript:display_login_screen('')\"><i class=\"fa fa-right-to-bracket\"></i>" + _("Log in") + "</a>" ;
  65         }
  66 }
  67
  68
  69 // goto room
  70 function gotoroom(roomname) {
  71
  72         fetch_room = async() => {
  73                 response = await fetch("/ctdl/r/" + escapeHTMLURI(roomname) + "/");
  74                 if (response.ok) {
  75                         data = await(response.json());
  76                         current_room = data.name;
  77                         new_messages = data.new_messages;
  78                         total_messages = data.total_messages;
  79                         current_view = data.current_view;
  80                         default_view = data.default_view;
  81                         last_seen = data.last_seen;
  82                         update_banner();
  83                         render_room_view(0, 9999999999);
  84                 }
  85         }
  86         fetch_room();
  87 }
  88
  89
  90 // Goto next room with unread messages
  91 // which_oper is 0=ungoto, 1=skip, 2=goto
  92 function gotonext(which_oper) {
  93         if (which_oper == 2) {                                  // Goto needs to mark messages as seen
  94
  95                 set_last_read_pointer = async() => {
  96                         response = await fetch("/ctdl/r/" + escapeHTMLURI(current_room) + "/slrp?last=" + last_seen);
  97                 }
  98                 set_last_read_pointer();
  99         }
 100
 101         if ((which_oper == 1) || (which_oper == 2)) {           // Skip or Goto both take us to the "next" room
 102                 if (march_list.length == 0) {
 103                         load_new_march_list(which_oper);        // we will recurse back here
 104                 }
 105                 else {
 106                         next_room = march_list[0].name;
 107                         march_list.splice(0, 1);
 108                         gotoroom(next_room);
 109                 }
 110         }
 111
 112         // FIXME implement mode 0 (ungoto)
 113
 114 }
 115
 116
 117 // Called by gotonext() when the march list is empty.
 118 function load_new_march_list(which_oper) {
 119         fetchm = async() => {
 120                 response = await fetch("/ctdl/r/");
 121                 march_list = await(response.json());
 122                 if (response.ok) {
 123                         march_list = march_list.filter(function(room) {
 124                                 return room.hasnewmsgs;
 125                         });
 126                         march_list = march_list.sort(function(a,b) {
 127                                 if (a.floor != b.floor) {
 128                                         return(a.floor - b.floor);
 129                                 }
 130                                 if (a.rorder != b.rorder) {
 131                                         return(a.rorder - b.rorder);
 132                                 }
 133                                 return(a.name < b.name);
 134                         });
 135
 136                         // If there are still no rooms with new messages, go to the Lobby.
 137                         if (march_list.length == 0) {
 138                                 march_list.push({name:"_BASEROOM_",known:true,hasnewmsgs:true,floor:0});
 139                         }
 140
 141                         gotonext(which_oper);
 142                 }
 143         }
 144         fetchm();
 145 }
 146
 147
 148 // Activate the "Loading..." modal
 149 function activate_loading_modal() {
 150         document.getElementById("ctdl_big_modal").innerHTML =
 151                   "<div class=\"w3-modal-content\">"
 152                 + "  <div class=\"w3-container\">"
 153
 154                 + "<i class=\"fas fa-spinner fa-spin\"></i>&nbsp;&nbsp;"
 155                 + _("Loading messages from server, please wait")
 156
 157                 + "  </div>"
 158                 + "</div>";
 159         document.getElementById("ctdl_big_modal").style.display = "block";
 160 }
 161
 162
 163 // Disappear the "Loading..." modal
 164 function deactivate_loading_modal() {
 165         document.getElementById("ctdl_big_modal").style.display = "none";
 166 }