feat: Add new http client

llmcore/CMakeLists.txt

@@ -16,6 +16,7 @@ add_library(LLMCore STATIC
     OpenAIMessage.hpp OpenAIMessage.cpp
     ValidationUtils.hpp ValidationUtils.cpp
     ProviderID.hpp
+    HttpClient.hpp HttpClient.cpp
 )
 
 target_link_libraries(LLMCore

llmcore/HttpClient.cpp

@@ -0,0 +1,150 @@
+/* 
+ * 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 "HttpClient.hpp"
+
+#include <QJsonDocument>
+#include <QMutexLocker>
+#include <QUuid>
+
+#include <Logger.hpp>
+
+namespace QodeAssist::LLMCore {
+
+HttpClient::HttpClient(QObject *parent)
+    : QObject(parent)
+    , m_manager(new QNetworkAccessManager(this))
+{
+    connect(this, &HttpClient::sendRequest, this, &HttpClient::onSendRequest);
+}
+
+HttpClient::~HttpClient()
+{
+    QMutexLocker locker(&m_mutex);
+    for (auto *reply : std::as_const(m_activeRequests)) {
+        reply->abort();
+        reply->deleteLater();
+    }
+    m_activeRequests.clear();
+}
+
+void HttpClient::onSendRequest(const HttpRequest &request)
+{
+    QNetworkRequest networkRequest(request.url);
+    networkRequest.setTransferTimeout(300000);
+    networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
+    networkRequest.setRawHeader("Accept", "text/event-stream");
+    networkRequest.setRawHeader("Cache-Control", "no-cache");
+    networkRequest.setRawHeader("Connection", "keep-alive");
+
+    if (request.headers.has_value()) {
+        for (const auto &[headername, value] : request.headers->asKeyValueRange()) {
+            networkRequest.setRawHeader(headername.toUtf8(), value.toUtf8());
+        }
+    }
+
+    QJsonDocument doc(request.payload);
+    LOG_MESSAGE(QString("HttpClient: Sending POST to %1").arg(request.url.toString()));
+    LOG_MESSAGE(QString("HttpClient: data: %1").arg(doc.toJson(QJsonDocument::Indented)));
+
+    QNetworkReply *reply = m_manager->post(networkRequest, doc.toJson(QJsonDocument::Compact));
+    addActiveRequest(reply, request.requestId);
+
+    connect(reply, &QNetworkReply::readyRead, this, &HttpClient::onReadyRead);
+    connect(reply, &QNetworkReply::finished, this, &HttpClient::onFinished);
+}
+
+void HttpClient::onReadyRead()
+{
+    QNetworkReply *reply = qobject_cast<QNetworkReply *>(sender());
+    if (!reply)
+        return;
+
+    QString requestId;
+    {
+        QMutexLocker locker(&m_mutex);
+        for (auto it = m_activeRequests.begin(); it != m_activeRequests.end(); ++it) {
+            if (it.value() == reply) {
+                requestId = it.key();
+                break;
+            }
+        }
+    }
+
+    if (requestId.isEmpty())
+        return;
+
+    QByteArray data = reply->readAll();
+    if (!data.isEmpty()) {
+        emit dataReceived(requestId, data);
+    }
+}
+
+void HttpClient::onFinished()
+{
+    QNetworkReply *reply = qobject_cast<QNetworkReply *>(sender());
+    if (!reply)
+        return;
+
+    QString requestId;
+    bool hasError = false;
+    QString errorMsg;
+    {
+        QMutexLocker locker(&m_mutex);
+        for (auto it = m_activeRequests.begin(); it != m_activeRequests.end(); ++it) {
+            if (it.value() == reply) {
+                requestId = it.key();
+                m_activeRequests.erase(it);
+                break;
+            }
+        }
+
+        if (reply->error() != QNetworkReply::NoError) {
+            hasError = true;
+            errorMsg = reply->errorString();
+        }
+    }
+
+    reply->deleteLater();
+
+    if (!requestId.isEmpty()) {
+        emit requestFinished(requestId, !hasError, errorMsg);
+    }
+}
+
+QString HttpClient::addActiveRequest(QNetworkReply *reply, const QString &requestId)
+{
+    QMutexLocker locker(&m_mutex);
+    m_activeRequests[requestId] = reply;
+    LOG_MESSAGE(QString("HttpClient: Added active request: %1").arg(requestId));
+    return requestId;
+}
+
+void HttpClient::cancelRequest(const QString &requestId)
+{
+    QMutexLocker locker(&m_mutex);
+    if (auto it = m_activeRequests.find(requestId); it != m_activeRequests.end()) {
+        it.value()->abort();
+        it.value()->deleteLater();
+        m_activeRequests.erase(it);
+        LOG_MESSAGE(QString("HttpClient: Cancelled request: %1").arg(requestId));
+    }
+}
+
+} // namespace QodeAssist::LLMCore

llmcore/HttpClient.hpp

@@ -0,0 +1,69 @@
+/* 
+ * 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 <QHash>
+#include <QJsonObject>
+#include <QMap>
+#include <QMutex>
+#include <QNetworkAccessManager>
+#include <QNetworkReply>
+#include <QObject>
+#include <QUrl>
+
+namespace QodeAssist::LLMCore {
+
+struct HttpRequest
+{
+    QUrl url;
+    QString requestId;
+    QJsonObject payload;
+    std::optional<QMap<QString, QString>> headers;
+};
+
+class HttpClient : public QObject
+{
+    Q_OBJECT
+
+public:
+    HttpClient(QObject *parent = nullptr);
+    ~HttpClient();
+
+    void cancelRequest(const QString &requestId);
+
+signals:
+    void sendRequest(const QodeAssist::LLMCore::HttpRequest &request);
+    void dataReceived(const QString &requestId, const QByteArray &data);
+    void requestFinished(const QString &requestId, bool success, const QString &error);
+
+private slots:
+    void onSendRequest(const QodeAssist::LLMCore::HttpRequest &request);
+    void onReadyRead();
+    void onFinished();
+
+private:
+    QString addActiveRequest(QNetworkReply *reply, const QString &requestId);
+
+    QNetworkAccessManager *m_manager;
+    QHash<QString, QNetworkReply *> m_activeRequests;
+    mutable QMutex m_mutex;
+};
+
+} // namespace QodeAssist::LLMCore