Add basic chat widgets and functionality

core/LLMRequestHandler.hpp

@@ -0,0 +1,64 @@
+/* 
+ * 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 <QJsonObject>
+#include <QNetworkAccessManager>
+#include <QObject>
+
+#include "QodeAssistData.hpp"
+#include "core/LLMRequestConfig.hpp"
+
+class QNetworkReply;
+
+namespace QodeAssist {
+
+class LLMRequestHandler : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit LLMRequestHandler(QObject *parent = nullptr);
+
+    void sendLLMRequest(const LLMConfig &config, const QJsonObject &request);
+    void handleLLMResponse(QNetworkReply *reply,
+                           const QJsonObject &request,
+                           const LLMConfig &config);
+    bool cancelRequest(const QString &id);
+
+signals:
+    void completionReceived(const QString &completion, const QJsonObject &request, bool isComplete);
+    void requestFinished(const QString &requestId, bool success, const QString &errorString);
+    void requestCancelled(const QString &id);
+
+private:
+    QNetworkAccessManager *m_manager;
+    QMap<QString, QNetworkReply *> m_activeRequests;
+    QMap<QNetworkReply *, QString> m_accumulatedResponses;
+
+    void prepareNetworkRequest(QNetworkRequest &networkRequest, const QJsonObject &providerRequest);
+    bool processSingleLineCompletion(QNetworkReply *reply,
+                                     const QJsonObject &request,
+                                     const QString &accumulatedResponse,
+                                     const LLMConfig &config);
+    QString removeStopWords(const QStringView &completion, const QStringList &stopWords);
+};
+
+} // namespace QodeAssist