--- a/mod_mam/mamprefsxml.lib.lua	Fri Jul 09 20:54:40 2021 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,57 +0,0 @@
--- XEP-0313: Message Archive Management for Prosody
--- Copyright (C) 2011-2013 Kim Alvefur
---
--- This file is MIT/X11 licensed.
-
-local st = require"util.stanza";
-
-local default_attrs = {
-	always = true, [true] = "always",
-	never = false, [false] = "never",
-	roster = "roster",
-}
-
-local function tostanza(prefs, xmlns_mam)
-	local default = prefs[false];
-	default = default_attrs[default];
-	local prefstanza = st.stanza("prefs", { xmlns = xmlns_mam, default = default });
-	local always = st.stanza("always");
-	local never = st.stanza("never");
-	for jid, choice in pairs(prefs) do
-		if jid then
-			(choice and always or never):tag("jid"):text(jid):up();
-		end
-	end
-	prefstanza:add_child(always):add_child(never);
-	return prefstanza;
-end
-local function fromstanza(prefstanza)
-	local prefs = {};
-	local default = prefstanza.attr.default;
-	if default then
-		prefs[false] = default_attrs[default];
-	end
-
-	local always = prefstanza:get_child("always");
-	if always then
-		for rule in always:childtags("jid") do
-			local jid = rule:get_text();
-			prefs[jid] = true;
-		end
-	end
-
-	local never = prefstanza:get_child("never");
-	if never then
-		for rule in never:childtags("jid") do
-			local jid = rule:get_text();
-			prefs[jid] = false;
-		end
-	end
-
-	return prefs;
-end
-
-return {
-	tostanza = tostanza;
-	fromstanza = fromstanza;
-}