added new function and classes for irc support

src/providers/irc/Irc2.cpp

@@ -1,6 +1,9 @@
 #include "Irc2.hpp"
 
+#include <pajlada/serialize.hpp>
+#include "common/Credentials.hpp"
 #include "common/SignalVectorModel.hpp"
+#include "util/RapidjsonHelpers.hpp"
 #include "util/StandardItemHelper.hpp"
 
 namespace chatterino {
@@ -45,15 +48,68 @@ namespace {
 
 static std::atomic_int currentId;
 
+//inline QString escape(QString str)
+//{
+//    return str.replace(":", "::");
+//}
+
+//inline QString getCredentialName(const IrcConnection_ &conn)
+//{
+//    //return escape(conn.host) + escape(conn.
+//}
+
+//QString IrcConnection_::getPassword()
+//{
+//    return
+//}
+
+//void IrcConnection_::setPassword(const QString &str)
+//{
+//    //Credentials::set("irc",
+//}
+
 Irc::Irc()
 {
+    this->connections.itemInserted.connect([this](auto &&args) {
+        // make sure only one id can only exist for one server
+        assert(this->servers_.find(args.item.id) == this->servers_.end());
+
+        if (auto ab = this->abandonedChannels_.find(args.item.id);
+            ab != this->abandonedChannels_.end())
+        {
+            // add new server with abandoned channels
+            this->servers_.emplace(args.item.id, std::make_unique<IrcServer>(
+                                                     args.item, ab->second));
+            this->abandonedChannels_.erase(ab);
+        }
+        else
+        {
+            // add new server
+            this->servers_.emplace(args.item.id,
+                                   std::make_unique<IrcServer>(args.item));
+        }
+    });
+
+    this->connections.itemRemoved.connect([this](auto &&args) {
+        // restore
+        if (auto server = this->servers_.find(args.item.id);
+            server != this->servers_.end())
+        {
+            this->abandonedChannels_[args.item.id] =
+                server->second->getChannels();
+            this->servers_.erase(server);
+        }
+    });
 }
 
 IrcConnection_ IrcConnection_::unique()
 {
     IrcConnection_ c;
+    c.host = "localhost";
     c.id = currentId++;
     c.port = 6697;
+    c.user = "xD";
+    c.nick = "xD";
     return c;
 }
 
@@ -64,6 +120,29 @@ QAbstractTableModel *Irc::newConnectionModel(QObject *parent)
     return model;
 }
 
+IrcServer *Irc::getServerOfChannel(Channel *channel)
+{
+    for (auto &&server : this->servers_)
+        for (auto weak : server.second->getChannels())
+            if (auto shared = weak.lock())
+                if (shared.get() == channel)
+                    return server.second.get();
+
+    return nullptr;
+}
+
+ChannelPtr Irc::getOrAddChannel(int id, QString name)
+{
+    if (auto server = this->servers_.find(id); server != this->servers_.end())
+    {
+        return server->second->getOrAddChannel(name);
+    }
+    else
+    {
+        return Channel::getEmpty();
+    }
+}
+
 Irc &Irc::getInstance()
 {
     static Irc irc;