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annotate mod_mam/mamprefsxml.lib.lua @ 2494:d300ae5dba87

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mod_smacks: Fix some bugs with smacks-ack-delayed event triggering. The old code had several flaws which are addressed here. First of all this fixes the if statement guarding the event generation There where some timing glitches addressed by this commit as well.
author tmolitor <thilo@eightysoft.de>
date Sun, 12 Feb 2017 21:23:22 +0100
parents dfa9c0cdd960
children 5941aac79f06
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Kim Alvefur <zash@zash.se>
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1 -- XEP-0313: Message Archive Management for Prosody
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2 -- Copyright (C) 2011-2013 Kim Alvefur
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3 --
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4 -- This file is MIT/X11 licensed.
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5
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6 local st = require"util.stanza";
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7 local xmlns_mam = "urn:xmpp:mam:0";
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8
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9 local default_attrs = {
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10 always = true, [true] = "always",
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11 never = false, [false] = "never",
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12 roster = "roster",
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13 }
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14
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15 local function tostanza(prefs)
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16 local default = prefs[false];
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17 default = default_attrs[default];
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18 local prefstanza = st.stanza("prefs", { xmlns = xmlns_mam, default = default });
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19 local always = st.stanza("always");
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20 local never = st.stanza("never");
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21 for jid, choice in pairs(prefs) do
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22 if jid then
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23 (choice and always or never):tag("jid"):text(jid):up();
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24 end
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25 end
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26 prefstanza:add_child(always):add_child(never);
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27 return prefstanza;
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28 end
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29 local function fromstanza(prefstanza)
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30 local prefs = {};
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31 local default = prefstanza.attr.default;
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32 if default then
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33 prefs[false] = default_attrs[default];
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34 end
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36 local always = prefstanza:get_child("always");
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37 if always then
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38 for rule in always:childtags("jid") do
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39 local jid = rule:get_text();
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40 prefs[jid] = true;
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41 end
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42 end
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43
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44 local never = prefstanza:get_child("never");
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45 if never then
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46 for rule in never:childtags("jid") do
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47 local jid = rule:get_text();
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48 prefs[jid] = false;
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49 end
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50 end
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51
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52 return prefs;
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53 end
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54
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55 return {
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56 tostanza = tostanza;
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57 fromstanza = fromstanza;
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58 }