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authorKim Alvefur <zash@zash.se>2014-09-11 01:17:56 +0200
committerKim Alvefur <zash@zash.se>2014-09-11 01:17:56 +0200
commitfb0e709aa2d5fb52da6fb643a3cdfd921e8cde33 (patch)
tree147e215854eea3b4657112876b5c45863c73acc8 /plugins/muc/occupant.lib.lua
parenta685dfb89e5c8895a767011961d2289810b72a1e (diff)
parent15303b0d3a84572090e81dc7c737b575184135b6 (diff)
downloadprosody-fb0e709aa2d5fb52da6fb643a3cdfd921e8cde33.tar.gz
prosody-fb0e709aa2d5fb52da6fb643a3cdfd921e8cde33.zip
Merge 0.10->trunk
Diffstat (limited to 'plugins/muc/occupant.lib.lua')
-rw-r--r--plugins/muc/occupant.lib.lua86
1 files changed, 86 insertions, 0 deletions
diff --git a/plugins/muc/occupant.lib.lua b/plugins/muc/occupant.lib.lua
new file mode 100644
index 00000000..d59252e2
--- /dev/null
+++ b/plugins/muc/occupant.lib.lua
@@ -0,0 +1,86 @@
+local next = next;
+local pairs = pairs;
+local setmetatable = setmetatable;
+local st = require "util.stanza";
+local util = module:require "muc/util";
+
+local function get_filtered_presence(stanza)
+ return util.filter_muc_x(st.clone(stanza));
+end
+
+local occupant_mt = {};
+occupant_mt.__index = occupant_mt;
+
+local function new_occupant(bare_real_jid, nick)
+ return setmetatable({
+ bare_jid = bare_real_jid;
+ nick = nick; -- in-room jid
+ sessions = {}; -- hash from real_jid to presence stanzas. stanzas should not be modified
+ role = nil;
+ jid = nil; -- Primary session
+ }, occupant_mt);
+end
+
+-- Deep copy an occupant
+local function copy_occupant(occupant)
+ local sessions = {};
+ for full_jid, presence_stanza in pairs(occupant.sessions) do
+ -- Don't keep unavailable presences, as they'll accumulate; unless they're the primary session
+ if presence_stanza.attr.type ~= "unavailable" or full_jid == occupant.jid then
+ sessions[full_jid] = presence_stanza;
+ end
+ end
+ return setmetatable({
+ bare_jid = occupant.bare_jid;
+ nick = occupant.nick;
+ sessions = sessions;
+ role = occupant.role;
+ jid = occupant.jid;
+ }, occupant_mt);
+end
+
+-- finds another session to be the primary (there might not be one)
+function occupant_mt:choose_new_primary()
+ for jid, pr in self:each_session() do
+ if pr.attr.type == nil then
+ return jid;
+ end
+ end
+ return nil;
+end
+
+function occupant_mt:set_session(real_jid, presence_stanza, replace_primary)
+ local pr = get_filtered_presence(presence_stanza);
+ pr.attr.from = self.nick;
+ pr.attr.to = real_jid;
+
+ self.sessions[real_jid] = pr;
+ if replace_primary then
+ self.jid = real_jid;
+ elseif self.jid == nil or (pr.attr.type == "unavailable" and self.jid == real_jid) then
+ -- Only leave an unavailable presence as primary when there are no other options
+ self.jid = self:choose_new_primary() or real_jid;
+ end
+end
+
+function occupant_mt:remove_session(real_jid)
+ -- Delete original session
+ self.sessions[real_jid] = nil;
+ if self.jid == real_jid then
+ self.jid = self:choose_new_primary();
+ end
+end
+
+function occupant_mt:each_session()
+ return pairs(self.sessions)
+end
+
+function occupant_mt:get_presence(real_jid)
+ return self.sessions[real_jid or self.jid]
+end
+
+return {
+ new = new_occupant;
+ copy = copy_occupant;
+ mt = occupant_mt;
+}