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view plugins/mod_welcome.lua @ 14157:f881ed0ee8bd 0.12

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moduleapi: Use multitable add/remove instead of set multitable:set() does not clear intermediate keys when setting the last one to nil. This meant that the event_handlers multitable for every module was not properly cleaning up the object and event name from the table when calling :unhook_object_event(). This combined badly with e.g. mod_bookmarks, which uses this extensively to add/remove hooks dynamically for mod_pep services. The multitable kept a reference to every mod_pep service object ever created, causing a memory leak. The multitable:remove() function clears intermediate keys when they are empty, so we've switched to using that now.
author Matthew Wild <mwild1@gmail.com>
date Fri, 17 Apr 2026 17:39:06 +0100
parents 31938a0c398f
children 74b9e05af71e
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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 host = module:get_host();
local welcome_text = module:get_option_string("welcome_message", "Hello $username, welcome to the $host IM server!");

local st = require "util.stanza";

module:hook("user-registered",
	function (user)
		local welcome_stanza =
			st.message({ to = user.username.."@"..user.host, from = host },
				welcome_text:gsub("$(%w+)", user));
		module:send(welcome_stanza);
		module:log("debug", "Welcomed user %s@%s", user.username, user.host);
	end);