File

plugins/muc/presence_broadcast.lib.lua @ 11395:d336b28b4002

mod_http_errors: Style tweak Weird to have the background all the way to the edge of the viewport. Would be nice if this could be done without the extra span.
author Kim Alvefur <zash@zash.se>
date Sun, 21 Feb 2021 07:59:17 +0100
parent 10687:8c2c5b4fde32
child 12977:74b9e05af71e
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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 = { "none", "visitor", "participant", "moderator" };
local default_broadcast = {
	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;

	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 = "Only show participants with roles:";
		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;
};