prosody-modules
97fac0ba0469
mod_motd_sequential/mod_motd_sequential.lua

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mod_motd_sequential/mod_motd_sequential.lua @ 4511:97fac0ba0469

mod_pubsub_subscription: New module providing an API for pubsub subscriptions This lets other modules hook events from local or remote XEP-0060 pubsub services. API allows keeping track of items added, removed or if the whole node gets cleared or even deleted. Requested by MattJ.
author Kim Alvefur <zash@zash.se>
date Mon, 15 Mar 2021 16:31:23 +0100
parent 3401:8412592f3011
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abcb59ab355c Add new motd_sequential module. This module lets you define numbered messages shown to each user in order, but only once per user, and persistent across server restarts. Useful for notifying users of added features and changes in an
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2010 Matthew Wild
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3 -- Copyright (C) 2008-2010 Waqas Hussain
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4 -- Copyright (C) 2010 Jeff Mitchell
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5 --
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6 -- This project is MIT/X11 licensed. Please see the
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7 -- COPYING file in the source package for more information.
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8 --
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10 local core_route_stanza = prosody.core_route_stanza;
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11 local host = module:get_host();
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12 local motd_jid = module:get_option("motd_jid") or host;
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13 local datamanager = require "util.datamanager";
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14 local ipairs = ipairs;
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15 local motd_sequential_messages = module:get_option("motd_sequential_messages") or {};
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16 local motd_messagesets = {};
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17 local max = 1;
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18 for i, message in ipairs(motd_sequential_messages) do
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19 motd_messagesets[i] = message;
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20 max = i;
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21 end
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23 local st = require "util.stanza";
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25 module:hook("resource-bind",
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26 function (event)
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27 local session = event.session;
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28 local alreadyseen_list = datamanager.load(session.username, session.host, "motd_sequential_seen") or { max = 0 };
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29 local alreadyseen = alreadyseen_list["max"] + 1;
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30 local motd_stanza;
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31 for i = alreadyseen, max do
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32 motd_stanza =
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33 st.message({ to = session.username..'@'..session.host, from = motd_jid },
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34 motd_messagesets[i]);
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35 core_route_stanza(hosts[host], motd_stanza);
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36 module:log("debug", "MOTD send to user %s@%s", session.username, session.host);
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37 end
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38 alreadyseen_list["max"] = max;
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39 datamanager.store(session.username, session.host, "motd_sequential_seen", alreadyseen_list);
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40 end);