- if (params.size() != 4)
- return true;
- time_t ts = atoi(params[1].c_str());
- std::string nsource = source;
- Channel* c = this->Instance->FindChan(params[0]);
- if (c)
- {
- if ((ts >= c->topicset) || (!*c->topic))
- {
- std::string oldtopic = c->topic;
- strlcpy(c->topic,params[3].c_str(),MAXTOPIC);
- strlcpy(c->setby,params[2].c_str(),127);
- c->topicset = ts;
- /* if the topic text is the same as the current topic,
- * dont bother to send the TOPIC command out, just silently
- * update the set time and set nick.
- */
- if (oldtopic != params[3])
- {
- User* user = this->Instance->FindNick(source);
- if (!user)
- {
- c->WriteChannelWithServ(Instance->Config->ServerName, "TOPIC %s :%s", c->name, c->topic);
- }
- else
- {
- c->WriteChannel(user, "TOPIC %s :%s", c->name, c->topic);
- nsource = user->server;
- }
- }
+ Channel* c = ServerInstance->FindChan(params[0]);
+ if (!c)
+ return CMD_FAILURE;
+
+ if (c->age < ServerCommand::ExtractTS(params[1]))
+ // Our channel TS is older, nothing to do
+ return CMD_FAILURE;
+
+ // Channel::topicset is initialized to 0 on channel creation, so their ts will always win if we never had a topic
+ time_t ts = ServerCommand::ExtractTS(params[2]);
+ if (ts < c->topicset)
+ return CMD_FAILURE;
+
+ // The topic text is always the last parameter
+ const std::string& newtopic = params.back();