prosody
e488a90195bc
plugins/muc/occupant.lib.lua

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plugins/muc/occupant.lib.lua @ 6179:e488a90195bc

plugins/muc: Massive refactor We now have occupant objects; you grab them, modify them, save them. New presence handling code. Modify all presence sending to go via new functions.
author daurnimator <quae@daurnimator.com>
date Thu, 27 Mar 2014 19:16:13 -0400
child 6210:e9d62fff82a8
comparison
equal deleted inserted replaced
6143:82b3a2155a55 6179:e488a90195bc
1 local next = next;
2 local pairs = pairs;
3 local setmetatable = setmetatable;
4 local st = require "util.stanza";
5
6 local get_filtered_presence do
7 local presence_filters = {
8 ["http://jabber.org/protocol/muc"] = true;
9 ["http://jabber.org/protocol/muc#user"] = true;
10 }
11 local function presence_filter(tag)
12 if presence_filters[tag.attr.xmlns] then
13 return nil;
14 end
15 return tag;
16 end
17 function get_filtered_presence(stanza)
18 return st.clone(stanza):maptags(presence_filter);
19 end
20 end
21
22 local occupant_mt = {};
23 occupant_mt.__index = occupant_mt;
24
25 local function new_occupant(bare_real_jid, nick)
26 return setmetatable({
27 bare_jid = bare_real_jid;
28 nick = nick; -- in-room jid
29 sessions = {}; -- hash from real_jid to presence stanzas. stanzas should not be modified
30 role = nil;
31 jid = nil; -- Primary session
32 }, occupant_mt);
33 end
34
35 -- Deep copy an occupant
36 local function copy_occupant(occupant)
37 local sessions = {};
38 for full_jid, presence_stanza in pairs(occupant.sessions) do
39 if presence_stanza.attr.type ~= "unavailable" then
40 sessions[full_jid] = presence_stanza;
41 end
42 end
43 return setmetatable({
44 bare_jid = occupant.bare_jid;
45 nick = occupant.nick;
46 sessions = sessions;
47 role = occupant.role;
48 jid = occupant.jid;
49 }, occupant_mt);
50 end
51
52 function occupant_mt:set_session(real_jid, presence_stanza, replace_primary)
53 local pr = get_filtered_presence(presence_stanza);
54 pr.attr.from = self.nick;
55 pr.attr.to = real_jid;
56
57 self.sessions[real_jid] = pr;
58 if replace_primary or self.jid == nil then
59 self.jid = real_jid;
60 end
61 end
62
63 function occupant_mt:remove_session(real_jid)
64 -- Delete original session
65 local presence_stanza = self.sessions[real_jid];
66 self.sessions[real_jid] = nil;
67 if self.jid == real_jid then
68 -- find another session to be the primary (might be nil)
69 self.jid = next(self.sessions);
70 end
71 end
72
73 function occupant_mt:each_session()
74 return pairs(self.sessions)
75 end
76
77 function occupant_mt:get_presence(real_jid)
78 return self.sessions[real_jid or self.jid]
79 end
80
81 return {
82 new = new_occupant;
83 copy = copy_occupant;
84 mt = occupant_mt;
85 }