prosody
7e69d61a0ef7
plugins/muc/occupant.lib.lua

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plugins/muc/occupant.lib.lua @ 6408:7e69d61a0ef7

Merge 0.10->trunk
author Kim Alvefur <zash@zash.se>
date Thu, 11 Sep 2014 01:17:56 +0200
parent 6271:006b0e0f0de2
child 7086:6cc7c9da29ed
comparison
equal deleted inserted replaced
6407:4bbd198cf3e6 6408:7e69d61a0ef7
1 local next = next;
2 local pairs = pairs;
3 local setmetatable = setmetatable;
4 local st = require "util.stanza";
5 local util = module:require "muc/util";
6
7 local function get_filtered_presence(stanza)
8 return util.filter_muc_x(st.clone(stanza));
9 end
10
11 local occupant_mt = {};
12 occupant_mt.__index = occupant_mt;
13
14 local function new_occupant(bare_real_jid, nick)
15 return setmetatable({
16 bare_jid = bare_real_jid;
17 nick = nick; -- in-room jid
18 sessions = {}; -- hash from real_jid to presence stanzas. stanzas should not be modified
19 role = nil;
20 jid = nil; -- Primary session
21 }, occupant_mt);
22 end
23
24 -- Deep copy an occupant
25 local function copy_occupant(occupant)
26 local sessions = {};
27 for full_jid, presence_stanza in pairs(occupant.sessions) do
28 -- Don't keep unavailable presences, as they'll accumulate; unless they're the primary session
29 if presence_stanza.attr.type ~= "unavailable" or full_jid == occupant.jid then
30 sessions[full_jid] = presence_stanza;
31 end
32 end
33 return setmetatable({
34 bare_jid = occupant.bare_jid;
35 nick = occupant.nick;
36 sessions = sessions;
37 role = occupant.role;
38 jid = occupant.jid;
39 }, occupant_mt);
40 end
41
42 -- finds another session to be the primary (there might not be one)
43 function occupant_mt:choose_new_primary()
44 for jid, pr in self:each_session() do
45 if pr.attr.type == nil then
46 return jid;
47 end
48 end
49 return nil;
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 then
59 self.jid = real_jid;
60 elseif self.jid == nil or (pr.attr.type == "unavailable" and self.jid == real_jid) then
61 -- Only leave an unavailable presence as primary when there are no other options
62 self.jid = self:choose_new_primary() or real_jid;
63 end
64 end
65
66 function occupant_mt:remove_session(real_jid)
67 -- Delete original session
68 self.sessions[real_jid] = nil;
69 if self.jid == real_jid then
70 self.jid = self:choose_new_primary();
71 end
72 end
73
74 function occupant_mt:each_session()
75 return pairs(self.sessions)
76 end
77
78 function occupant_mt:get_presence(real_jid)
79 return self.sessions[real_jid or self.jid]
80 end
81
82 return {
83 new = new_occupant;
84 copy = copy_occupant;
85 mt = occupant_mt;
86 }