--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mod_list_active/mod_list_active.lua	Wed Mar 22 14:53:15 2017 +0100
@@ -0,0 +1,50 @@
+-- Copyright (C) 2012-2013 Kim Alvefur
+
+local um = require "core.usermanager";
+local sm = require "core.storagemanager";
+local dm = require "util.datamanager";
+local jid_join = require"util.jid".join;
+
+local multipliers = {
+	d = 86400, -- day
+	w = 604800, -- week
+	m = 2629746, -- month
+	y = 31556952, -- year
+}
+
+local output_formats = {
+	default = "%s",
+	event = "%s %s",
+}
+
+function module.command(arg)
+	if #arg < 2 then
+		print("usage: prosodyctl mod_list_active example.net time [format]");
+		print("time is a number followed by 'day', 'week', 'month' or 'year'");
+		print("formats are:");
+		for name, fmt in pairs(output_formats) do
+			print(name, fmt:format("user@example.com", "last action"))
+		end
+		return;
+	end
+	local items = {};
+	local host = arg[1];
+	assert(hosts[host], "Host "..tostring(host).." does not exist");
+	sm.initialize_host(host);
+	um.initialize_host(host);
+
+	local max_age, unit = assert(arg[2], "No time range given"):match("^(%d*)%s*([dwmy]?)");
+	max_age = os.time() - ( tonumber(max_age) or 1 ) * ( multipliers[unit] or 1 );
+
+	local output = assert(output_formats[arg[3] or "default"], "No such output format: "..tostring(arg[3] or "default"));
+
+	for user in dm.users(host, "lastlog") do
+		local last_active = dm.load(user, host, "lastlog");
+		local last_action = last_active and last_active.event or "?"
+		last_active = last_active and last_active.timestamp or 0;
+		if last_active < max_age then
+			print(output:format(jid_join(user, host), last_action));
+		end
+	end
+end
+