feat: Add summarize chat (#289)

ChatView/ChatCompressor.hpp

@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2024-2025 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 <QJsonObject>
+#include <QList>
+#include <QObject>
+#include <QString>
+
+namespace QodeAssist::LLMCore {
+class Provider;
+class PromptTemplate;
+} // namespace QodeAssist::LLMCore
+
+namespace QodeAssist::Chat {
+
+class ChatModel;
+
+class ChatCompressor : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit ChatCompressor(QObject *parent = nullptr);
+
+    void startCompression(const QString &chatFilePath, ChatModel *chatModel);
+
+    bool isCompressing() const;
+    void cancelCompression();
+
+signals:
+    void compressionStarted();
+    void compressionCompleted(const QString &compressedChatPath);
+    void compressionFailed(const QString &error);
+
+private slots:
+    void onPartialResponseReceived(const QString &requestId, const QString &partialText);
+    void onFullResponseReceived(const QString &requestId, const QString &fullText);
+    void onRequestFailed(const QString &requestId, const QString &error);
+
+private:
+    QString createCompressedChatPath(const QString &originalPath) const;
+    QString buildCompressionPrompt() const;
+    bool createCompressedChatFile(
+        const QString &sourcePath, const QString &destPath, const QString &summary);
+    void connectProviderSignals();
+    void disconnectAllSignals();
+    void cleanupState();
+    void handleCompressionError(const QString &error);
+    void buildRequestPayload(QJsonObject &payload, LLMCore::PromptTemplate *promptTemplate);
+
+    bool m_isCompressing = false;
+    QString m_currentRequestId;
+    QString m_originalChatPath;
+    QString m_accumulatedSummary;
+    LLMCore::Provider *m_provider = nullptr;
+    ChatModel *m_chatModel = nullptr;
+
+    QList<QMetaObject::Connection> m_connections;
+};
+
+} // namespace QodeAssist::Chat