2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2010 Daniel De Graaf <danieldg@inspircd.org>
5 * Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
7 * This file is part of InspIRCd. InspIRCd is free software: you can
8 * redistribute it and/or modify it under the terms of the GNU General Public
9 * License as published by the Free Software Foundation, version 2.
11 * This program is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
13 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
25 CmdResult CommandFTopic::Handle(User* user, std::vector<std::string>& params)
27 Channel* c = ServerInstance->FindChan(params[0]);
31 time_t ChanTS = ConvToInt(params[1]);
36 // Our channel TS is older, nothing to do
39 time_t ts = ConvToInt(params[2]);
43 // Channel::topicset is initialized to 0 on channel creation, so their ts will always win if we never had a topic
47 // The topic text is always the last parameter
48 const std::string& newtopic = params.back();
50 // If there is a setter in the message use that, otherwise use the message source
51 const std::string& setter = ((params.size() > 4) ? params[3] : (ServerInstance->Config->FullHostInTopic ? user->GetFullHost() : user->nick));
54 * If the topics were updated at the exact same second, accept
55 * the remote only when it's "bigger" than ours as defined by
56 * string comparision, so non-empty topics always overridde
57 * empty topics if their timestamps are equal
59 * Similarly, if the topic texts are equal too, keep one topic
60 * setter and discard the other
62 if (ts == c->topicset)
64 // Discard if their topic text is "smaller"
65 if (c->topic > newtopic)
68 // If the texts are equal in addition to the timestamps, decide which setter to keep
69 if ((c->topic == newtopic) && (c->setby >= setter))
73 if (c->topic != newtopic)
75 // Update topic only when it differs from current topic
76 c->topic.assign(newtopic, 0, ServerInstance->Config->Limits.MaxTopic);
77 c->WriteChannel(user, "TOPIC %s :%s", c->name.c_str(), c->topic.c_str());
80 // Update setter and settime
81 c->setby.assign(setter, 0, 128);
84 FOREACH_MOD(OnPostTopicChange, (user, c, c->topic));
89 // Used when bursting and in reply to RESYNC, contains topic setter as the 4th parameter
90 CommandFTopic::Builder::Builder(Channel* chan)
91 : CmdBuilder("FTOPIC")
95 push_int(chan->topicset);
97 push_last(chan->topic);
100 // Used when changing the topic, the setter is the message source
101 CommandFTopic::Builder::Builder(User* user, Channel* chan)
102 : CmdBuilder(user, "FTOPIC")
106 push_int(chan->topicset);
107 push_last(chan->topic);