File

util/presence.lua @ 10834:c6e852984d48 0.11

mod_muc_mam: Remove spoofed archive IDs before archiving, fix #1552 The stanza-id added during archiving looks exactly like what should be stripped, so the stripping must happen before archiving. Getting priorities right is hard! Also no test coverage yet.
author Kim Alvefur <zash@zash.se>
date Mon, 11 May 2020 21:14:02 +0200
parent 8885:d4f5d47f874d
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-- Prosody IM
-- Copyright (C) 2008-2010 Matthew Wild
-- Copyright (C) 2008-2010 Waqas Hussain
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--

local t_insert = table.insert;

local function select_top_resources(user)
	local priority = 0;
	local recipients = {};
	for _, session in pairs(user.sessions) do -- find resource with greatest priority
		if session.presence then
			local p = session.priority;
			if p > priority then
				priority = p;
				recipients = {session};
			elseif p == priority then
				t_insert(recipients, session);
			end
		end
	end
	return recipients;
end
local function recalc_resource_map(user)
	if user then
		user.top_resources = select_top_resources(user);
		if #user.top_resources == 0 then user.top_resources = nil; end
	end
end

return {
	select_top_resources = select_top_resources;
	recalc_resource_map = recalc_resource_map;
}