Add ChatModel

chatview/BaseChatWidget.cpp

@@ -24,9 +24,9 @@
 
 namespace QodeAssist::Chat {
 
-BaseChatWidget::BaseChatWidget(QWidget *parent)
+BaseChatWidget::BaseChatWidget(QWidget *parent) : QQuickWidget(parent)
 {
-    setSource(QUrl("qrc:/ChatView/qml/ChatView.qml"));
+    setSource(QUrl("qrc:/ChatView/qml/RootItem.qml"));
     setResizeMode(QQuickWidget::SizeRootObjectToView);
 
     engine()->rootContext()->setContextObject(this);

chatview/BaseChatWidget.hpp

@@ -26,6 +26,7 @@ namespace QodeAssist::Chat {
 class BaseChatWidget : public QQuickWidget
 {
     Q_OBJECT
+
 public:
     explicit BaseChatWidget(QWidget *parent = nullptr);
     ~BaseChatWidget() = default;

chatview/CMakeLists.txt

@@ -6,9 +6,10 @@ qt_add_qml_module(QodeAssistChatView
     URI ChatView
     VERSION 1.0
     QML_FILES
-        qml/ChatView.qml
+        qml/RootItem.qml
     SOURCES
         BaseChatWidget.hpp BaseChatWidget.cpp
+        ChatModel.hpp ChatModel.cpp
 )
 
 target_link_libraries(QodeAssistChatView

chatview/ChatModel.cpp

@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2024 Petr Mironychev
+ *
+ * This file is part of QodeAssist.
+ *
+ * QodeAssist 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.
+ *
+ * QodeAssist 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 QodeAssist. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "ChatModel.hpp"
+
+namespace QodeAssist::Chat {
+
+ChatModel::ChatModel(QObject *parent)
+    : QAbstractListModel(parent)
+{
+}
+
+int ChatModel::rowCount(const QModelIndex &parent) const
+{
+    return m_messages.size();
+}
+
+QVariant ChatModel::data(const QModelIndex &index, int role) const
+{
+    if (!index.isValid() || index.row() >= m_messages.size())
+        return QVariant();
+
+    const Message &message = m_messages[index.row()];
+    switch (static_cast<Roles>(role)) {
+    case Roles::RoleType:
+        return QVariant::fromValue(message.role);
+    case Roles::Content:
+        return message.content;
+    default:
+        return QVariant();
+    }
+}
+
+QHash<int, QByteArray> ChatModel::roleNames() const
+{
+    QHash<int, QByteArray> roles;
+    roles[Roles::RoleType] = "roleType";
+    roles[Roles::Content] = "content";
+    return roles;
+}
+
+void ChatModel::addMessage(const QString &content, ChatRole role)
+{
+    beginInsertRows(QModelIndex(), m_messages.size(), m_messages.size());
+    m_messages.append({role, content});
+    endInsertRows();
+}
+
+void ChatModel::clear()
+{
+    beginResetModel();
+    m_messages.clear();
+    endResetModel();
+}
+
+} // namespace QodeAssist::Chat

chatview/ChatModel.hpp

@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2024 Petr Mironychev
+ *
+ * This file is part of QodeAssist.
+ *
+ * QodeAssist 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.
+ *
+ * QodeAssist 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 QodeAssist. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <QAbstractListModel>
+
+namespace QodeAssist::Chat {
+
+enum class ChatRole { System, User, Assistant };
+
+struct Message
+{
+    ChatRole role;
+    QString content;
+};
+
+class ChatModel : public QAbstractListModel
+{
+    Q_OBJECT
+
+public:
+    enum Roles { RoleType = Qt::UserRole, Content };
+
+    explicit ChatModel(QObject *parent = nullptr);
+
+    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
+    QHash<int, QByteArray> roleNames() const override;
+
+    Q_INVOKABLE void addMessage(const QString &content, ChatRole role);
+    Q_INVOKABLE void clear();
+
+private:
+    QVector<Message> m_messages;
+};
+
+} // namespace QodeAssist::Chat
+
+Q_DECLARE_METATYPE(QodeAssist::Chat::ChatRole)