Fix #87: updating chat room title when video/channel title is changed:

* renaming module list_rooms to manage_rooms
* added some API to update room info
* when a video or a channel is updated, sending an API call to update
  the room

prosody-modules/mod_http_peertubelivechat_manage_rooms/README.md

@@ -1,5 +1,5 @@
-# mod_http_peertubelivechat_list_rooms
+# mod_http_peertubelivechat_manage_rooms
 
-This module is a custom module that allows Peertube server to list chat rooms.
+This module is a custom module that allows Peertube server to list chat rooms, and update some meta data.
 
 This module is part of peertube-plugin-livechat, and is under the same LICENSE.

prosody-modules/mod_http_peertubelivechat_manage_rooms/mod_http_peertubelivechat_manage_rooms.lua

@@ -1,15 +1,17 @@
 local json = require "util.json";
 local jid_split = require"util.jid".split;
 local array = require "util.array";
+local st = require "util.stanza";
 
 local mod_muc = module:depends"muc";
-local all_rooms = rawget(mod_muc, "all_rooms")
+local all_rooms = rawget(mod_muc, "all_rooms");
+local get_room_from_jid = rawget(mod_muc, "get_room_from_jid");
 
 module:depends"http";
 
 function check_auth(routes)
   local function check_request_auth(event)
-    local apikey = module:get_option_string("peertubelivechat_list_rooms_apikey", "")
+    local apikey = module:get_option_string("peertubelivechat_manage_rooms_apikey", "")
     if apikey == "" then
       return false, 500;
     end
@@ -55,8 +57,51 @@ local function list_rooms(event)
   return json.encode_array(rooms_json);
 end
 
+local function update_room(event)
+  local request, response = event.request, event.response;
+  event.response.headers["Content-Type"] = "application/json";
+
+  local config = json.decode(request.body);
+  if not config.jid then
+    return json.encode({
+      result = "failed";
+    });
+  end
+
+  local room = get_room_from_jid(config.jid);
+  if not room then
+    return json.encode({
+      result = "failed";
+    });
+  end
+
+  local must104 = false;
+
+  if type(config.name) == "string" then
+    if room:get_name() ~= config.name then
+      room:set_name(config.name);
+      must104 = true;
+    end
+  end
+
+  if must104 then
+    -- we must broadcast a status 104 message, so that clients can update room info
+    local msg = st.message({type='groupchat', from=room.jid})
+      :tag('x', {xmlns='http://jabber.org/protocol/muc#user'})
+    msg:tag("status", {code = '104';}):up();
+    msg:up();
+    room:broadcast_message(msg);
+  end
+
+  return json.encode({
+    result = "ok";
+    changed = must104;
+  });
+end
+
 module:provides("http", {
   route = check_auth {
     ["GET /list-rooms"] = list_rooms;
+    ["POST /update-room"] = update_room;
   };
 });