prosody
6c2c2fc4b8dd
util/presence.lua

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util/presence.lua @ 8502:6c2c2fc4b8dd

util.pubsub: Support a 'nodestore' for persisting nodes (same API as kv stores)
author Matthew Wild <mwild1@gmail.com>
date Fri, 02 Feb 2018 19:31:03 +0000
parent 7279:051279755cad
child 8885:d4f5d47f874d
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7279
051279755cad mod_presence: Move function for selecting "top resources" into a new util.presence
Kim Alvefur <zash@zash.se>
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1 -- Prosody IM
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Kim Alvefur <zash@zash.se>
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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 --
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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8
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9 local t_insert = table.insert;
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10
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11 local function select_top_resources(user)
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12 local priority = 0;
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13 local recipients = {};
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14 for _, session in pairs(user.sessions) do -- find resource with greatest priority
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15 if session.presence then
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16 -- TODO check active privacy list for session
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17 local p = session.priority;
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18 if p > priority then
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19 priority = p;
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20 recipients = {session};
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21 elseif p == priority then
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22 t_insert(recipients, session);
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23 end
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24 end
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25 end
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26 return recipients;
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27 end
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28 local function recalc_resource_map(user)
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29 if user then
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30 user.top_resources = select_top_resources(user);
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31 if #user.top_resources == 0 then user.top_resources = nil; end
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32 end
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33 end
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34
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35 return {
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36 select_top_resources = select_top_resources;
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37 recalc_resource_map = recalc_resource_map;
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38 }