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annotate mod_map/mod_map.lua @ 3581:dbc67120097f

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mod_http_muc_log: Document optimization for storage modules lacking :dates API
author Kim Alvefur <zash@zash.se>
date Sun, 05 May 2019 14:05:00 +0200
parents 262e68821f3f
children 30743ae1fe1a
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262e68821f3f mod_map: Experimental module exposing MAM summary
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1
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2 local st = require "util.stanza";
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3 local jid_bare = require "util.jid".bare;
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4 local rsm = require "util.rsm";
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5 local dataform = require "util.dataforms".new;
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6
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7 local archive = module:open_store("archive", "archive");
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8
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9 local query_form = dataform {
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10 { name = "with"; type = "jid-single"; };
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11 { name = "start"; type = "text-single" };
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12 { name = "end"; type = "text-single"; };
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13 };
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14
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15 if not archive.summary then
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16 module:log("error", "The archive:summary() API is not supported by %s", archive._provided_by);
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17 return
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18 end
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19
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20 module:hook("iq-get/self/xmpp:prosody.im/mod_map:summary", function(event)
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21 local origin, stanza = event.origin, event.stanza;
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22
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23 local query = stanza.tags[1];
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24
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25 -- Search query parameters
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26 local qwith, qstart, qend;
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27 local form = query:get_child("x", "jabber:x:data");
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28 if form then
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29 local err;
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30 form, err = query_form:data(form);
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31 if err then
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32 origin.send(st.error_reply(stanza, "modify", "bad-request", select(2, next(err))));
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33 return true;
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34 end
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35 qwith, qstart, qend = form["with"], form["start"], form["end"];
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36 qwith = qwith and jid_bare(qwith); -- dataforms does jidprep
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37 end
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38
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39 local qset = rsm.get(query);
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40 local qmax = qset and qset.max;
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41 local before, after = qset and qset.before, qset and qset.after;
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42 if type(before) ~= "string" then before = nil; end
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43
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44 local summary = archive:summary(origin.username, {
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45 start = qstart; ["end"] = qend; -- Time range
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46 with = qwith;
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47 limit = qmax;
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48 before = before; after = after;
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49 });
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50 if not summary then
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51 module:send(st.error_reply(stanza, "wait", "internal-server-error"));
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52 return true;
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53 end
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54
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55 local reply = st.reply(stanza);
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56 reply:tag("summary", { xmlns = "xmpp:prosody.im/mod_map" });
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57 for jid, count in pairs(summary) do
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58 reply:tag("item", { jid = jid });
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59 if type(count) == "number" then
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60 reply:text_tag("count", ("%d"):format(count));
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61 end
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62 reply:up();
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63 end
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64
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65 module:send(reply);
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66 return true;
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67 end);