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-- Prosody IM
-- Copyright (C) 2008-2010 Matthew Wild
-- Copyright (C) 2008-2010 Waqas Hussain
-- Copyright (C) 2014 Daurnimator
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--
local st = require "util.stanza";
local valid_roles = { "visitor", "participant", "moderator" };
local default_broadcast = {
none = true;
visitor = true;
participant = true;
moderator = true;
};
local function get_presence_broadcast(room)
return room._data.presence_broadcast or default_broadcast;
end
local function set_presence_broadcast(room, broadcast_roles)
broadcast_roles = broadcast_roles or default_broadcast;
-- Ensure that unavailable presence is always sent when role changes to none
broadcast_roles.none = true;
local changed = false;
local old_broadcast_roles = get_presence_broadcast(room);
for _, role in ipairs(valid_roles) do
if old_broadcast_roles[role] ~= broadcast_roles[role] then
changed = true;
end
end
if not changed then return false; end
room._data.presence_broadcast = broadcast_roles;
for _, occupant in room:each_occupant() do
local x = st.stanza("x", {xmlns = "http://jabber.org/protocol/muc#user";});
local role = occupant.role or "none";
if broadcast_roles[role] and not old_broadcast_roles[role] then
-- Presence broadcast is now enabled, so announce existing user
room:publicise_occupant_status(occupant, x);
elseif old_broadcast_roles[role] and not broadcast_roles[role] then
-- Presence broadcast is now disabled, so mark existing user as unavailable
room:publicise_occupant_status(occupant, x, nil, nil, nil, nil, true);
end
end
return true;
end
module:hook("muc-config-form", function(event)
local values = {};
for role, value in pairs(get_presence_broadcast(event.room)) do
if value then
values[#values + 1] = role;
end
end
table.insert(event.form, {
name = "muc#roomconfig_presencebroadcast";
type = "list-multi";
label = "Roles for which Presence is Broadcasted";
value = values;
options = valid_roles;
});
end, 70-7);
module:hook("muc-config-submitted/muc#roomconfig_presencebroadcast", function(event)
local broadcast_roles = {};
for _, role in ipairs(event.value) do
broadcast_roles[role] = true;
end
if set_presence_broadcast(event.room, broadcast_roles) then
event.status_codes["104"] = true;
end
end);
return {
get = get_presence_broadcast;
set = set_presence_broadcast;
};
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