feat: Add DeepSeek provider

providers/DeepSeekProvider.cpp

@@ -0,0 +1,110 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "DeepSeekProvider.hpp"
+
+#include <LLMQore/ToolsManager.hpp>
+#include "logger/Logger.hpp"
+#include "settings/ChatAssistantSettings.hpp"
+#include "settings/CodeCompletionSettings.hpp"
+#include "settings/GeneralSettings.hpp"
+#include "settings/ProviderSettings.hpp"
+#include "settings/QuickRefactorSettings.hpp"
+#include "tools/ToolsRegistration.hpp"
+
+#include <QJsonArray>
+#include <QJsonDocument>
+#include <QJsonObject>
+
+namespace QodeAssist::Providers {
+
+DeepSeekProvider::DeepSeekProvider(QObject *parent)
+    : PluginLLMCore::Provider(parent)
+    , m_client(new ::LLMQore::OpenAIClient(QString(), QString(), QString(), this))
+{
+    Tools::registerQodeAssistTools(m_client->tools());
+}
+
+QString DeepSeekProvider::name() const
+{
+    return "DeepSeek";
+}
+
+QString DeepSeekProvider::apiKey() const
+{
+    return Settings::providerSettings().deepSeekApiKey();
+}
+
+QString DeepSeekProvider::url() const
+{
+    return "https://api.deepseek.com";
+}
+
+QFuture<QList<QString>> DeepSeekProvider::getInstalledModels(const QString &url)
+{
+    m_client->setUrl(url);
+    m_client->setApiKey(apiKey());
+    return m_client->listModels();
+}
+
+PluginLLMCore::ProviderID DeepSeekProvider::providerID() const
+{
+    return PluginLLMCore::ProviderID::DeepSeek;
+}
+
+PluginLLMCore::ProviderCapabilities DeepSeekProvider::capabilities() const
+{
+    return PluginLLMCore::ProviderCapability::Tools
+           | PluginLLMCore::ProviderCapability::Thinking
+           | PluginLLMCore::ProviderCapability::ModelListing;
+}
+
+void DeepSeekProvider::prepareRequest(
+    QJsonObject &request,
+    PluginLLMCore::PromptTemplate *prompt,
+    PluginLLMCore::ContextData context,
+    PluginLLMCore::RequestType type,
+    bool isToolsEnabled,
+    bool isThinkingEnabled)
+{
+    if (!prompt->isSupportProvider(providerID())) {
+        LOG_MESSAGE(QString("Template %1 doesn't support %2 provider").arg(name(), prompt->name()));
+    }
+
+    prompt->prepareRequest(request, context);
+
+    auto applyModelParams = [&request](const auto &settings) {
+        request["max_tokens"] = settings.maxTokens();
+        request["temperature"] = settings.temperature();
+
+        if (settings.useTopP())
+            request["top_p"] = settings.topP();
+        if (settings.useFrequencyPenalty())
+            request["frequency_penalty"] = settings.frequencyPenalty();
+        if (settings.usePresencePenalty())
+            request["presence_penalty"] = settings.presencePenalty();
+    };
+
+    if (type == PluginLLMCore::RequestType::CodeCompletion) {
+        applyModelParams(Settings::codeCompletionSettings());
+    } else if (type == PluginLLMCore::RequestType::QuickRefactoring) {
+        applyModelParams(Settings::quickRefactorSettings());
+    } else {
+        applyModelParams(Settings::chatAssistantSettings());
+    }
+
+    if (isToolsEnabled) {
+        auto toolsDefinitions = m_client->tools()->getToolsDefinitions();
+        if (!toolsDefinitions.isEmpty()) {
+            request["tools"] = toolsDefinitions;
+            LOG_MESSAGE(QString("Added %1 tools to DeepSeek request").arg(toolsDefinitions.size()));
+        }
+    }
+}
+
+::LLMQore::BaseClient *DeepSeekProvider::client() const
+{
+    return m_client;
+}
+
+} // namespace QodeAssist::Providers

providers/DeepSeekProvider.hpp

@@ -0,0 +1,37 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <LLMQore/OpenAIClient.hpp>
+#include <pluginllmcore/Provider.hpp>
+
+namespace QodeAssist::Providers {
+
+class DeepSeekProvider : public PluginLLMCore::Provider
+{
+    Q_OBJECT
+public:
+    explicit DeepSeekProvider(QObject *parent = nullptr);
+
+    QString name() const override;
+    QString url() const override;
+    void prepareRequest(
+        QJsonObject &request,
+        PluginLLMCore::PromptTemplate *prompt,
+        PluginLLMCore::ContextData context,
+        PluginLLMCore::RequestType type,
+        bool isToolsEnabled,
+        bool isThinkingEnabled) override;
+    QFuture<QList<QString>> getInstalledModels(const QString &url) override;
+    PluginLLMCore::ProviderID providerID() const override;
+    PluginLLMCore::ProviderCapabilities capabilities() const override;
+
+    ::LLMQore::BaseClient *client() const override;
+    QString apiKey() const override;
+
+private:
+    ::LLMQore::OpenAIClient *m_client;
+};
+
+} // namespace QodeAssist::Providers

providers/LMStudioProvider.cpp

@@ -57,7 +57,8 @@ PluginLLMCore::ProviderID LMStudioProvider::providerID() const
 PluginLLMCore::ProviderCapabilities LMStudioProvider::capabilities() const
 {
     return PluginLLMCore::ProviderCapability::Tools | PluginLLMCore::ProviderCapability::Image
-           | PluginLLMCore::ProviderCapability::ModelListing;
+           | PluginLLMCore::ProviderCapability::ModelListing
+           | PluginLLMCore::ProviderCapability::Thinking;
 }
 
 void LMStudioProvider::prepareRequest(

providers/MistralAIProvider.cpp

@@ -55,7 +55,8 @@ PluginLLMCore::ProviderID MistralAIProvider::providerID() const
 PluginLLMCore::ProviderCapabilities MistralAIProvider::capabilities() const
 {
     return PluginLLMCore::ProviderCapability::Tools | PluginLLMCore::ProviderCapability::Image
-           | PluginLLMCore::ProviderCapability::ModelListing;
+           | PluginLLMCore::ProviderCapability::ModelListing
+           | PluginLLMCore::ProviderCapability::Thinking;
 }
 
 void MistralAIProvider::prepareRequest(

providers/OllamaCompatProvider.cpp

@@ -113,7 +113,8 @@ PluginLLMCore::ProviderID OllamaCompatProvider::providerID() const
 PluginLLMCore::ProviderCapabilities OllamaCompatProvider::capabilities() const
 {
     return PluginLLMCore::ProviderCapability::Tools | PluginLLMCore::ProviderCapability::Image
-           | PluginLLMCore::ProviderCapability::ModelListing;
+           | PluginLLMCore::ProviderCapability::ModelListing
+           | PluginLLMCore::ProviderCapability::Thinking;
 }
 
 ::LLMQore::BaseClient *OllamaCompatProvider::client() const

providers/OpenAICompatProvider.cpp

@@ -98,7 +98,8 @@ PluginLLMCore::ProviderID OpenAICompatProvider::providerID() const
 
 PluginLLMCore::ProviderCapabilities OpenAICompatProvider::capabilities() const
 {
-    return PluginLLMCore::ProviderCapability::Tools | PluginLLMCore::ProviderCapability::Image;
+    return PluginLLMCore::ProviderCapability::Tools | PluginLLMCore::ProviderCapability::Image
+           | PluginLLMCore::ProviderCapability::Thinking;
 }
 
 ::LLMQore::BaseClient *OpenAICompatProvider::client() const

providers/OpenAIProvider.cpp

@@ -129,7 +129,8 @@ PluginLLMCore::ProviderID OpenAIProvider::providerID() const
 PluginLLMCore::ProviderCapabilities OpenAIProvider::capabilities() const
 {
     return PluginLLMCore::ProviderCapability::Tools | PluginLLMCore::ProviderCapability::Image
-           | PluginLLMCore::ProviderCapability::ModelListing;
+           | PluginLLMCore::ProviderCapability::ModelListing
+           | PluginLLMCore::ProviderCapability::Thinking;
 }
 
 ::LLMQore::BaseClient *OpenAIProvider::client() const

providers/Providers.hpp

@@ -5,6 +5,7 @@
 
 #include "pluginllmcore/ProvidersManager.hpp"
 #include "providers/ClaudeProvider.hpp"
+#include "providers/DeepSeekProvider.hpp"
 #include "providers/CodestralProvider.hpp"
 #include "providers/GoogleAIProvider.hpp"
 #include "providers/LMStudioProvider.hpp"
@@ -40,6 +41,7 @@ inline void registerProviders()
     providerManager.registerProvider<CodestralProvider>();
     providerManager.registerProvider<QwenProvider>();
     providerManager.registerProvider<QwenResponsesProvider>();
+    providerManager.registerProvider<DeepSeekProvider>();
 }
 
 } // namespace QodeAssist::Providers