plugins/muc/persistent.lib.lua

   1 -- Prosody IM
   2 -- Copyright (C) 2008-2010 Matthew Wild
   3 -- Copyright (C) 2008-2010 Waqas Hussain
   4 -- Copyright (C) 2014 Daurnimator
   5 --
   6 -- This project is MIT/X11 licensed. Please see the
   7 -- COPYING file in the source package for more information.
   8 --
   9
  10 local restrict_persistent = not module:get_option_boolean("muc_room_allow_persistent", true);
  11 local um_is_admin = require "core.usermanager".is_admin;
  12
  13 local function get_persistent(room)
  14         return room._data.persistent;
  15 end
  16
  17 local function set_persistent(room, persistent)
  18         persistent = persistent and true or nil;
  19         if get_persistent(room) == persistent then return false; end
  20         room._data.persistent = persistent;
  21         return true;
  22 end
  23
  24 module:hook("muc-config-form", function(event)
  25         if restrict_persistent and not um_is_admin(event.actor, module.host) then
  26                 -- Don't show option if hidden rooms are restricted and user is not admin of this host
  27                 return;
  28         end
  29         table.insert(event.form, {
  30                 name = "muc#roomconfig_persistentroom";
  31                 type = "boolean";
  32                 label = "Persistent (room should remain even when it is empty)";
  33                 desc = "Rooms are automatically deleted when they are empty, unless this option is enabled";
  34                 value = get_persistent(event.room);
  35         });
  36 end, 100-5);
  37
  38 module:hook("muc-config-submitted/muc#roomconfig_persistentroom", function(event)
  39         if restrict_persistent and not um_is_admin(event.actor, module.host) then
  40                 return; -- Not allowed
  41         end
  42         if set_persistent(event.room, event.value) then
  43                 event.status_codes["104"] = true;
  44         end
  45 end);
  46
  47 module:hook("muc-disco#info", function(event)
  48         event.reply:tag("feature", {var = get_persistent(event.room) and "muc_persistent" or "muc_temporary"}):up();
  49 end);
  50
  51 module:hook("muc-room-destroyed", function(event)
  52         set_persistent(event.room, false);
  53 end, -100);
  54
  55 return {
  56         get = get_persistent;
  57         set = set_persistent;
  58 };