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mod_mam/mamprefsxml.lib.lua @ 1793:152439ca92ee
mod_storage_xmlarchive: Remove redundant stream header
| author | Kim Alvefur <zash@zash.se> |
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| date | Thu, 27 Aug 2015 12:14:40 +0200 |
| parent | 1514:18349533c44d |
| child | 2014:dfa9c0cdd960 |
| rev | line source |
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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 global_default_policy = module:get_option("default_archive_policy", false); |
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10 |
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11 local default_attrs = { |
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12 always = true, [true] = "always", |
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13 never = false, [false] = "never", |
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14 roster = "roster", |
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15 } |
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16 |
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17 local function tostanza(prefs) |
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18 local default = prefs[false]; |
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19 default = default ~= nil and default_attrs[default] or global_default_policy; |
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20 local prefstanza = st.stanza("prefs", { xmlns = xmlns_mam, default = default }); |
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21 local always = st.stanza("always"); |
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22 local never = st.stanza("never"); |
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23 for jid, choice in pairs(prefs) do |
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24 if jid then |
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25 (choice and always or never):tag("jid"):text(jid):up(); |
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26 end |
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27 end |
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28 prefstanza:add_child(always):add_child(never); |
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29 return prefstanza; |
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30 end |
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31 local function fromstanza(prefstanza) |
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32 local prefs = {}; |
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33 local default = prefstanza.attr.default; |
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34 if default then |
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35 prefs[false] = default_attrs[default]; |
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36 end |
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37 |
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38 local always = prefstanza:get_child("always"); |
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39 if always then |
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40 for rule in always:childtags("jid") do |
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41 local jid = rule:get_text(); |
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42 prefs[jid] = true; |
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43 end |
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44 end |
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45 |
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46 local never = prefstanza:get_child("never"); |
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47 if never then |
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48 for rule in never:childtags("jid") do |
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49 local jid = rule:get_text(); |
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50 prefs[jid] = false; |
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51 end |
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52 end |
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53 |
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54 return prefs; |
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55 end |
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56 |
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57 return { |
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58 tostanza = tostanza; |
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59 fromstanza = fromstanza; |
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60 } |
