2 local setmetatable = setmetatable;
3 local st = require "util.stanza";
4 local util = module:require "muc/util";
6 local function get_filtered_presence(stanza)
7 return util.filter_muc_x(st.clone(stanza));
10 local occupant_mt = {};
11 occupant_mt.__index = occupant_mt;
13 local function new_occupant(bare_real_jid, nick)
15 bare_jid = bare_real_jid;
16 nick = nick; -- in-room jid
17 sessions = {}; -- hash from real_jid to presence stanzas. stanzas should not be modified
19 jid = nil; -- Primary session
23 -- Deep copy an occupant
24 local function copy_occupant(occupant)
26 for full_jid, presence_stanza in pairs(occupant.sessions) do
27 -- Don't keep unavailable presences, as they'll accumulate; unless they're the primary session
28 if presence_stanza.attr.type ~= "unavailable" or full_jid == occupant.jid then
29 sessions[full_jid] = presence_stanza;
33 bare_jid = occupant.bare_jid;
41 -- finds another session to be the primary (there might not be one)
42 function occupant_mt:choose_new_primary()
43 for jid, pr in self:each_session() do
44 if pr.attr.type == nil then
51 function occupant_mt:set_session(real_jid, presence_stanza, replace_primary)
52 local pr = get_filtered_presence(presence_stanza);
53 pr.attr.from = self.nick;
54 pr.attr.to = real_jid;
56 self.sessions[real_jid] = pr;
57 if replace_primary then
59 elseif self.jid == nil or (pr.attr.type == "unavailable" and self.jid == real_jid) then
60 -- Only leave an unavailable presence as primary when there are no other options
61 self.jid = self:choose_new_primary() or real_jid;
65 function occupant_mt:remove_session(real_jid)
66 -- Delete original session
67 self.sessions[real_jid] = nil;
68 if self.jid == real_jid then
69 self.jid = self:choose_new_primary();
73 function occupant_mt:each_session()
74 return pairs(self.sessions)
77 function occupant_mt:get_presence(real_jid)
78 return self.sessions[real_jid or self.jid]