refactor: Remove non-streaming support (#229)

llmcore/CMakeLists.txt

@@ -15,6 +15,8 @@ add_library(LLMCore STATIC
     ValidationUtils.hpp ValidationUtils.cpp
     ProviderID.hpp
     HttpClient.hpp HttpClient.cpp
+    DataBuffers.hpp
+    SSEBuffer.hpp SSEBuffer.cpp
 )
 
 target_link_libraries(LLMCore

llmcore/DataBuffers.hpp

@@ -0,0 +1,39 @@
+/* 
+ * Copyright (C) 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 "SSEBuffer.hpp"
+#include <QString>
+
+namespace QodeAssist::LLMCore {
+
+struct DataBuffers
+{
+    SSEBuffer rawStreamBuffer;
+    QString responseContent;
+
+    void clear()
+    {
+        rawStreamBuffer.clear();
+        responseContent.clear();
+    }
+};
+
+} // namespace QodeAssist::LLMCore

llmcore/Provider.cpp

@@ -1,18 +1,31 @@
 #include "Provider.hpp"
 
+#include <QJsonDocument>
+
 namespace QodeAssist::LLMCore {
 
 Provider::Provider(QObject *parent)
     : QObject(parent)
-    , m_httpClient(std::make_unique<HttpClient>())
+    , m_httpClient(new HttpClient(this))
 {
-    connect(m_httpClient.get(), &HttpClient::dataReceived, this, &Provider::onDataReceived);
-    connect(m_httpClient.get(), &HttpClient::requestFinished, this, &Provider::onRequestFinished);
+    connect(m_httpClient, &HttpClient::dataReceived, this, &Provider::onDataReceived);
+    connect(m_httpClient, &HttpClient::requestFinished, this, &Provider::onRequestFinished);
 }
 
 HttpClient *Provider::httpClient() const
 {
-    return m_httpClient.get();
+    return m_httpClient;
+}
+
+QJsonObject Provider::parseEventLine(const QString &line)
+{
+    if (!line.startsWith("data: "))
+        return QJsonObject();
+
+    QString jsonStr = line.mid(6);
+
+    QJsonDocument doc = QJsonDocument::fromJson(jsonStr.toUtf8());
+    return doc.object();
 }
 
 } // namespace QodeAssist::LLMCore

llmcore/Provider.hpp

@@ -25,6 +25,7 @@
 #include <QString>
 
 #include "ContextData.hpp"
+#include "DataBuffers.hpp"
 #include "HttpClient.hpp"
 #include "PromptTemplate.hpp"
 #include "RequestType.hpp"
@@ -73,8 +74,14 @@ signals:
     void fullResponseReceived(const QString &requestId, const QString &fullText);
     void requestFailed(const QString &requestId, const QString &error);
 
+protected:
+    QJsonObject parseEventLine(const QString &line);
+
+    QHash<RequestID, DataBuffers> m_dataBuffers;
+    QHash<RequestID, QUrl> m_requestUrls;
+
 private:
-    std::unique_ptr<HttpClient> m_httpClient;
+    HttpClient *m_httpClient;
 };
 
 } // namespace QodeAssist::LLMCore

llmcore/RequestType.hpp

@@ -17,9 +17,13 @@
  * along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
  */
 
+#include <QString>
+
 #pragma once
 
 namespace QodeAssist::LLMCore {
 
 enum RequestType { CodeCompletion, Chat, Embedding };
+
+using RequestID = QString;
 }

llmcore/SSEBuffer.cpp

@@ -0,0 +1,51 @@
+/* 
+ * Copyright (C) 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/>.
+ */
+
+#include "SSEBuffer.hpp"
+
+namespace QodeAssist::LLMCore {
+
+QStringList SSEBuffer::processData(const QByteArray &data)
+{
+    m_buffer += QString::fromUtf8(data);
+
+    QStringList lines = m_buffer.split('\n');
+    m_buffer = lines.takeLast();
+
+    lines.removeAll(QString());
+
+    return lines;
+}
+
+void SSEBuffer::clear()
+{
+    m_buffer.clear();
+}
+
+QString SSEBuffer::currentBuffer() const
+{
+    return m_buffer;
+}
+
+bool SSEBuffer::hasIncompleteData() const
+{
+    return !m_buffer.isEmpty();
+}
+
+} // namespace QodeAssist::LLMCore

llmcore/SSEBuffer.hpp

@@ -0,0 +1,42 @@
+/* 
+ * Copyright (C) 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 <QString>
+#include <QStringList>
+
+namespace QodeAssist::LLMCore {
+
+class SSEBuffer
+{
+public:
+    SSEBuffer() = default;
+
+    QStringList processData(const QByteArray &data);
+
+    void clear();
+    QString currentBuffer() const;
+    bool hasIncompleteData() const;
+
+private:
+    QString m_buffer;
+};
+
+} // namespace QodeAssist::LLMCore