webcit-ng/static/js/main.js

   1 // Copyright (c) 2016-2020 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 var current_room = "_BASEROOM_";
  15 var new_messages = 0;
  16 var total_messages = 0;
  17 var default_view = 0;
  18 var current_view = 0;
  19 var logged_in = 0;
  20 var current_user = _("Not logged in.");
  21 var serv_info;
  22 var last_seen = 0;
  23 var messages_per_page = 20;
  24 var march_list = [] ;
  25
  26
  27 // Placeholder for when we add i18n later
  28 function _(x) {
  29         return x;
  30 }
  31
  32
  33 // This is called at the very beginning of the main page load.
  34 //
  35 ctdl_startup = async() => {
  36         response = await fetch("/ctdl/c/info");
  37
  38         if (response.ok) {
  39                 serv_info = await(response.json());
  40                 if (serv_info.serv_rev_level < 905) {
  41                         alert(_("Citadel server is too old, some functions may not work"));
  42                 }
  43
  44                 update_banner();
  45
  46                 // What do we do upon landing?
  47
  48                 if ( (serv_info.serv_supports_guest) || (logged_in) ) {                 // If the Lobby is visible,
  49                         gotoroom("_BASEROOM_");                                         // go there.
  50                 }
  51                 else {                                                                  // Otherwise,
  52                         display_login_screen("");                                       // display the login modal.
  53                 }
  54         }
  55         else {
  56                 document.getElementById("ctdl-main").innerHTML =
  57                         "<div class=\"w3-panel w3-red\"><p>"
  58                         + _("This program was unable to connect or stay connected to the Citadel server.  Please report this problem to your system administrator.")
  59                         + "</div>";
  60         }
  61 }
  62
  63
  64 // Display a room list in the main div.
  65
  66 // Update the "banner" div with all relevant info.
  67 function update_banner() {
  68         detect_logged_in();
  69         if (current_room) {
  70                 document.getElementById("ctdl_banner_title").innerHTML = current_room;
  71                 document.title = current_room;
  72         }
  73         else {
  74                 document.getElementById("ctdl_banner_title").innerHTML = serv_info.serv_humannode;
  75         }
  76         document.getElementById("current_user").innerHTML = current_user ;
  77         if (logged_in) {
  78                 document.getElementById("lilo").innerHTML = "<a href=\"/ctdl/a/logout\">" + _("Log off") + "</a>" ;
  79         }
  80         else {
  81                 document.getElementById("lilo").innerHTML = "<a href=\"javascript:display_login_screen('')\">" + _("Log in") + "</a>" ;
  82         }
  83 }
  84
  85
  86 // goto room
  87 function gotoroom(roomname) {
  88
  89         fetch_room = async() => {
  90                 response = await fetch("/ctdl/r/" + escapeHTMLURI(roomname) + "/");
  91                 if (response.ok) {
  92                         data = await(response.json());
  93                         current_room = data.name;
  94                         new_messages = data.new_messages;
  95                         total_messages = data.total_messages;
  96                         current_view = data.current_view;
  97                         default_view = data.default_view;
  98                         last_seen = data.last_seen;
  99                         update_banner();
 100                         render_room_view(0, 9999999999);
 101                 }
 102         }
 103         fetch_room();
 104 }
 105
 106
 107 // Goto next room with unread messages
 108 // which_oper is 0=ungoto, 1=skip, 2=goto
 109 //
 110 function gotonext(which_oper) {
 111         if (which_oper != 2) return;            // FIXME implement the other two
 112         if (march_list.length == 0) {
 113                 load_new_march_list();          // we will recurse back here
 114         }
 115         else {
 116                 next_room = march_list[0].name;
 117                 march_list.splice(0, 1);
 118                 console.log("going to " + next_room + " , " + march_list.length + " rooms remaining in march list");
 119                 gotoroom(next_room);
 120         }
 121 }
 122
 123
 124 // Called by gotonext() when the march list is empty.
 125 //
 126 function load_new_march_list() {
 127         fetchm = async() => {
 128                 response = await fetch("/ctdl/r/");
 129                 march_list = await(response.json());
 130                 if (response.ok) {
 131                         march_list = march_list.filter(function(room) {
 132                                 return room.hasnewmsgs;
 133                         });
 134                         march_list = march_list.sort(function(a,b) {
 135                                 if (a.floor != b.floor) {
 136                                         return(a.floor - b.floor);
 137                                 }
 138                                 if (a.rorder != b.rorder) {
 139                                         return(a.rorder - b.rorder);
 140                                 }
 141                                 return(a.name < b.name);
 142                         });
 143                         march_list.push({name:"_BASEROOM_",known:true,hasnewmsgs:true,floor:0});
 144                         gotonext();
 145                 }
 146         }
 147         fetchm();
 148 }
 149
 150
 151 // Activate the "Loading..." modal
 152 function activate_loading_modal() {
 153         document.getElementById("ctdl_big_modal").innerHTML =
 154                   "<div class=\"w3-modal-content\">"
 155                 + "  <div class=\"w3-container\">"
 156
 157                 + "<i class=\"fas fa-spinner fa-spin\"></i>&nbsp;&nbsp;"
 158                 + _("Loading messages from server, please wait")
 159
 160                 + "  </div>"
 161                 + "</div>";
 162         document.getElementById("ctdl_big_modal").style.display = "block";
 163 }
 164
 165
 166 // Disappear the "Loading..." modal
 167 function deactivate_loading_modal() {
 168         document.getElementById("ctdl_big_modal").style.display = "none";
 169 }