refactor: Restructure project into sources/tests layout and dissolve PluginLLMCore

sources/ChatView/ChatModel.hpp

@@ -0,0 +1,158 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+// Additional attribution terms under GPLv3 §7(b) apply — see LICENSE
+
+#pragma once
+
+#include "llmcore/ContextData.hpp"
+#include "MessagePart.hpp"
+
+#include <QAbstractListModel>
+#include <QJsonArray>
+#include <QJsonObject>
+#include <QtQmlIntegration>
+
+#include "context/ContentFile.hpp"
+
+namespace QodeAssist::Chat {
+
+class ChatModel : public QAbstractListModel
+{
+    Q_OBJECT
+    Q_PROPERTY(int sessionPromptTokens READ sessionPromptTokens NOTIFY sessionUsageChanged FINAL)
+    Q_PROPERTY(int sessionCompletionTokens READ sessionCompletionTokens NOTIFY sessionUsageChanged FINAL)
+    Q_PROPERTY(int sessionCachedPromptTokens READ sessionCachedPromptTokens NOTIFY sessionUsageChanged FINAL)
+    Q_PROPERTY(int sessionTotalTokens READ sessionTotalTokens NOTIFY sessionUsageChanged FINAL)
+    QML_ELEMENT
+
+public:
+    enum ChatRole { System, User, Assistant, Tool, FileEdit, Thinking };
+    Q_ENUM(ChatRole)
+
+    enum Roles {
+        RoleType = Qt::UserRole,
+        Content,
+        Attachments,
+        IsRedacted,
+        Images,
+        PromptTokens,
+        CompletionTokens,
+        CachedPromptTokens,
+        ReasoningTokens,
+        TotalTokens
+    };
+    Q_ENUM(Roles)
+
+    struct ImageAttachment
+    {
+        QString fileName;      // Original filename
+        QString storedPath;    // Path to stored image file (relative to chat folder)
+        QString mediaType;     // MIME type
+    };
+
+    struct Message
+    {
+        ChatRole role;
+        QString content;
+        QString id;
+        bool isRedacted = false;
+        QString signature = QString();
+
+        QList<Context::ContentFile> attachments;
+        QList<ImageAttachment> images;
+
+        QString toolName;
+        QJsonObject toolArguments;
+        QString toolResult;
+
+        int promptTokens = 0;
+        int completionTokens = 0;
+        int cachedPromptTokens = 0;
+        int reasoningTokens = 0;
+    };
+
+    explicit ChatModel(QObject *parent = nullptr);
+
+    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
+    QHash<int, QByteArray> roleNames() const override;
+
+    Q_INVOKABLE void addMessage(
+        const QString &content,
+        ChatRole role,
+        const QString &id,
+        const QList<Context::ContentFile> &attachments = {},
+        const QList<ImageAttachment> &images = {},
+        bool isRedacted = false,
+        const QString &signature = QString());
+    Q_INVOKABLE void clear();
+    Q_INVOKABLE QList<MessagePart> processMessageContent(const QString &content) const;
+
+    QVector<Message> getChatHistory() const;
+    QJsonArray prepareMessagesForRequest(const QString &systemPrompt) const;
+
+    QString currentModel() const;
+    QString lastMessageId() const;
+
+    Q_INVOKABLE void resetModelTo(int index);
+    Q_INVOKABLE QVariantList userMessagePreviews(int maxLength = 80) const;
+
+    void addToolExecutionStatus(
+        const QString &requestId,
+        const QString &toolId,
+        const QString &toolName,
+        const QJsonObject &toolArguments);
+    void dropTrailingAssistantMessage(const QString &requestId);
+    void setToolMessageData(
+        const QString &toolId,
+        const QString &toolName,
+        const QJsonObject &toolArguments,
+        const QString &toolResult);
+    void updateToolResult(
+        const QString &requestId,
+        const QString &toolId,
+        const QString &toolName,
+        const QString &result);
+    void addThinkingBlock(
+        const QString &requestId, const QString &thinking, const QString &signature);
+    void addRedactedThinkingBlock(const QString &requestId, const QString &signature);
+    void updateMessageContent(const QString &messageId, const QString &newContent);
+
+    void setMessageUsage(
+        const QString &messageId,
+        int promptTokens,
+        int completionTokens,
+        int cachedPromptTokens,
+        int reasoningTokens);
+
+    int sessionPromptTokens() const;
+    int sessionCompletionTokens() const;
+    int sessionCachedPromptTokens() const;
+    int sessionTotalTokens() const;
+    
+    void setLoadingFromHistory(bool loading);
+    bool isLoadingFromHistory() const;
+    
+    void setChatFilePath(const QString &filePath);
+    QString chatFilePath() const;
+
+signals:
+    void modelReseted();
+    void sessionUsageChanged();
+
+private slots:
+    void onFileEditApplied(const QString &editId);
+    void onFileEditRejected(const QString &editId);
+    void onFileEditArchived(const QString &editId);
+
+private:
+    void updateFileEditStatus(const QString &editId, const QString &status, const QString &statusMessage);
+    
+    QVector<Message> m_messages;
+    bool m_loadingFromHistory = false;
+    QString m_chatFilePath;
+};
+
+} // namespace QodeAssist::Chat
+Q_DECLARE_METATYPE(QodeAssist::Chat::ChatModel::Message)
+Q_DECLARE_METATYPE(QodeAssist::Chat::MessagePart)