prosody
2a9aff163545
plugins/muc/subject.lib.lua

Find changesets by keywords by author, files, the commit message, revision number or hash, or revset expression.

Software / code / prosody

Comparison

plugins/muc/subject.lib.lua @ 6224:2a9aff163545

plugins/muc: Move subject code to seperate module
author daurnimator <quae@daurnimator.com>
date Wed, 16 Apr 2014 13:54:51 -0400
child 6228:4968d18e2c1e
comparison
equal deleted inserted replaced
6223:2a7ce69844ca 6224:2a9aff163545
1 -- Prosody IM
2 -- Copyright (C) 2008-2010 Matthew Wild
3 -- Copyright (C) 2008-2010 Waqas Hussain
4 -- Copyright (C) 2014 Daurnimator
5 --
6 -- This project is MIT/X11 licensed. Please see the
7 -- COPYING file in the source package for more information.
8 --
9
10 local st = require "util.stanza";
11
12 local function create_subject_message(from, subject)
13 return st.message({from = from; type = "groupchat"})
14 :tag("subject"):text(subject):up();
15 end
16
17 local function get_changesubject(room)
18 return room._data.changesubject;
19 end
20
21 local function set_changesubject(room, changesubject)
22 changesubject = changesubject and true or nil;
23 if get_changesubject(room) == changesubject then return false; end
24 room._data.changesubject = changesubject;
25 if room.save then room:save(true); end
26 return true;
27 end
28
29 module:hook("muc-config-form", function(event)
30 table.insert(event.form, {
31 name = "muc#roomconfig_changesubject";
32 type = "boolean";
33 label = "Allow Occupants to Change Subject?";
34 value = get_changesubject(event.room);
35 });
36 end);
37
38 module:hook("muc-config-submitted", function(event)
39 local new = event.fields["muc#roomconfig_changesubject"];
40 if new ~= nil and set_changesubject(event.room, new) then
41 event.status_codes["104"] = true;
42 end
43 end);
44
45 local function get_subject(room)
46 return room._data.subject_from, room._data.subject;
47 end
48
49 local function send_subject(room, to)
50 local msg = create_subject_message(get_subject(room));
51 msg.attr.to = to;
52 room:route_stanza(msg);
53 end
54
55 local function set_subject(room, from, subject)
56 if subject == "" then subject = nil; end
57 local old_from, old_subject = get_subject(room);
58 if old_subject == subject and old_from == from then return false; end
59 room._data.subject_from = from;
60 room._data.subject = subject;
61 if room.save then room:save(); end
62 local msg = create_subject_message(from, subject);
63 room:broadcast_message(msg);
64 return true;
65 end
66
67 -- Send subject to joining user
68 module:hook("muc-occupant-joined", function(event)
69 event.room:send_subject(event.stanza.attr.from);
70 end, 20);
71
72 -- Role check for subject changes
73 module:hook("muc-subject-change", function(event)
74 local room, stanza = event.room, event.stanza;
75 local occupant = room:get_occupant_by_real_jid(stanza.attr.from);
76 if occupant.role == "moderator" or
77 ( occupant.role == "participant" and get_changesubject(room) ) then -- and participant
78 local subject = stanza:get_child_text("subject");
79 set_subject(room, occupant.nick, subject);
80 return true;
81 else
82 event.origin.send(st.error_reply(stanza, "auth", "forbidden"));
83 return true;
84 end
85 end);
86
87 return {
88 get_changesubject = get_changesubject;
89 set_changesubject = set_changesubject;
90 get = get_subject;
91 set = set_subject;
92 send = send_subject;
93 };