view mod_muc_offline_delivery/mod_muc_offline_delivery.lua @ 4646:072d078be095

mod_storage_xmlarchive: Advertise capabilities (none atm) Both 'total' and 'quota' would be prohibitively expensive for the kind of archives this module targets as it would require counting items across the entire archive.
author Kim Alvefur <zash@zash.se>
date Fri, 13 Aug 2021 01:18:32 +0200
parents 3b7847c9bd26
children 8bd36bba2292
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local st = require "util.stanza";

module:add_item("muc-registration-field", {
	name = "{http://tigase.org/protocol/muc}offline";
	type = "boolean";
	label = "Receive messages while not connected to the room";
	value = false;
});

module:hook("muc-registration-submitted", function (event)
	local deliver_offline = event.submitted_data["{http://tigase.org/protocol/muc}offline"] or nil;
	event.affiliation_data.offline_delivery = deliver_offline;
end);

module:hook("muc-add-history", function (event)
	module:log("debug", "Broadcasting message to offline occupants...");
	local sent = 0;
	local room = event.room;
	for jid, affiliation, data in room:each_affiliation() do --luacheck: ignore 213/affiliation
		local reserved_nickname = data and data.reserved_nickname;
		module:log("debug", "Affiliated: %s, %s: %s", jid, reserved_nickname, data and data.offline_delivery);
		if reserved_nickname and data.offline_delivery then
			local is_absent = not room:get_occupant_by_nick(room.jid.."/"..reserved_nickname);
			if is_absent then
				local msg = st.clone(event.stanza);
				msg.attr.to = jid;
				module:send(msg);
				sent = sent + 1;
			end
		end
	end
	if sent > 0 then
		module:log("debug", "Sent message to %d offline occupants", sent);
	end
end);