first compiling prototype, doesnt work yet

ui/models/messagefeed.h

@@ -0,0 +1,100 @@
+/*
+ * Squawk messenger. 
+ * 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/>.
+ */
+
+#ifndef MESSAGEFEED_H
+#define MESSAGEFEED_H
+
+#include <QAbstractListModel>
+#include <QDateTime>
+#include <QString>
+
+#include <boost/multi_index_container.hpp>
+#include <boost/multi_index/ordered_index.hpp>
+#include <boost/multi_index/ranked_index.hpp>
+#include <boost/multi_index/mem_fun.hpp>
+
+#include <shared/message.h>
+
+
+class MessageFeed : public QAbstractListModel
+{
+    Q_OBJECT
+public:
+    MessageFeed(QObject *parent = nullptr);
+    ~MessageFeed();
+    
+    void addMessage(const Shared::Message& msg);
+    void changeMessage(const QString& id, const Shared::Message& msg);
+    void removeMessage(const QString& id);
+    
+    QVariant data(const QModelIndex & index, int role = Qt::DisplayRole) const override;
+    int rowCount(const QModelIndex& parent = QModelIndex()) const override;
+    
+    bool canFetchMore(const QModelIndex & parent) const override;
+    void fetchMore(const QModelIndex & parent) override;
+    void responseArchive(const std::list<Shared::Message> list);
+    
+    unsigned int unreadMessagesCount() const;
+    
+signals:
+    void requestArchive(const QString& before);
+    
+private:
+    enum SyncState {
+        incomplete,
+        syncing,
+        complete
+    };
+    //tags
+    struct id {};
+    struct time {};
+    
+    typedef boost::multi_index_container<
+        Shared::Message*,
+        boost::multi_index::indexed_by<
+            boost::multi_index::ordered_unique<
+                boost::multi_index::tag<id>,
+                boost::multi_index::const_mem_fun<
+                    Shared::Message,
+                    QString,
+                    &Shared::Message::getId
+                >
+            >,
+            boost::multi_index::ranked_non_unique<
+                boost::multi_index::tag<time>,
+                boost::multi_index::const_mem_fun<
+                    Shared::Message,
+                    QDateTime,
+                    &Shared::Message::getTime
+                >
+            >
+        >
+    > Storage; 
+    
+    typedef Storage::index<id>::type StorageById;
+    typedef Storage::index<time>::type StorageByTime;
+    Storage storage;
+    StorageById& indexById;
+    StorageByTime& indexByTime;
+    
+    SyncState syncState;
+    
+
+};
+
+#endif // MESSAGEFEED_H