finally launches again, started contact abstraction in server

core/contact.cpp

@@ -0,0 +1,57 @@
+/*
+ * <one line to give the program's name and a brief idea of what it does.>
+ * Copyright (C) 2019  Yury Gubich <blue@macaw.me>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "contact.h"
+
+Core::Contact::Contact(const QString& pJid, const QString& account, QObject* parent):
+    QObject(parent),
+    jid(pJid),
+    name(),
+    groups(),
+    state(empty),
+    archive(new Archive(jid))
+{
+    archive->open(account);
+}
+
+Core::Contact::~Contact()
+{
+    delete archive;
+}
+
+Core::Contact::ArchiveState Core::Contact::getArchiveState() const
+{
+    return state;
+}
+
+QSet<QString> Core::Contact::getGroups() const
+{
+    return groups;
+}
+
+QString Core::Contact::getName() const
+{
+    return name;
+}
+
+void Core::Contact::setName(const QString& n)
+{
+    if (name != n) {
+        name = n;
+    }
+}