mirror of
https://github.com/Palm1r/QodeAssist.git
synced 2026-07-24 04:01:04 -04:00
refactor: Decoupling chat architecture (#367)
* refactor: Migrate tests to Qt Creator plugin framework and update llmqore transports * refactor: Move conversation history into IDE-free session library * refactor: Extract turn context assembly behind injected ports * build: Add RunQodeAssistTests target for the plugin test suite * refactor: Route the chat through a Session and ChatBackend seam
This commit is contained in:
Petr Mironychev
GitHub
290
sources/session/HistorySerializer.cpp
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290
sources/session/HistorySerializer.cpp
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// Copyright (C) 2026 Petr Mironychev
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// SPDX-License-Identifier: GPL-3.0-or-later
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// Additional attribution terms under GPLv3 §7(b) apply — see LICENSE
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#include "session/HistorySerializer.hpp"
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#include <QJsonArray>
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#include "session/HistoryProjection.hpp"
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namespace QodeAssist::Session {
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namespace {
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QString roleToString(MessageRole role)
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{
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switch (role) {
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case MessageRole::System:
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return QStringLiteral("system");
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case MessageRole::User:
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return QStringLiteral("user");
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case MessageRole::Assistant:
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return QStringLiteral("assistant");
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}
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return QStringLiteral("assistant");
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}
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MessageRole roleFromString(const QString &role)
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{
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if (role == QLatin1String("system"))
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return MessageRole::System;
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if (role == QLatin1String("user"))
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return MessageRole::User;
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return MessageRole::Assistant;
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}
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RowKind legacyRowKind(int role)
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{
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switch (role) {
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case 0:
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return RowKind::System;
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case 1:
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return RowKind::User;
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case 2:
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return RowKind::Assistant;
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case 3:
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return RowKind::Tool;
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case 4:
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return RowKind::FileEdit;
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case 5:
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return RowKind::Thinking;
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default:
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return RowKind::Assistant;
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}
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}
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QJsonObject usageToJson(const Usage &usage)
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{
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QJsonObject json;
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json["promptTokens"] = usage.promptTokens;
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json["completionTokens"] = usage.completionTokens;
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if (usage.cachedPromptTokens > 0)
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json["cachedPromptTokens"] = usage.cachedPromptTokens;
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if (usage.reasoningTokens > 0)
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json["reasoningTokens"] = usage.reasoningTokens;
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return json;
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}
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Usage usageFromJson(const QJsonObject &json)
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{
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Usage usage;
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usage.promptTokens = json["promptTokens"].toInt();
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usage.completionTokens = json["completionTokens"].toInt();
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usage.cachedPromptTokens = json["cachedPromptTokens"].toInt();
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usage.reasoningTokens = json["reasoningTokens"].toInt();
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return usage;
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}
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QJsonObject blockToJson(const ContentBlock &block)
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{
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QJsonObject json;
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if (const auto *text = std::get_if<TextBlock>(&block)) {
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json["type"] = "text";
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json["text"] = text->text;
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} else if (const auto *thinking = std::get_if<ThinkingBlock>(&block)) {
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json["type"] = "thinking";
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json["text"] = thinking->text;
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if (!thinking->signature.isEmpty())
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json["signature"] = thinking->signature;
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if (thinking->redacted)
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json["redacted"] = true;
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} else if (const auto *tool = std::get_if<ToolCallBlock>(&block)) {
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json["type"] = "tool_call";
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json["id"] = tool->id;
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json["name"] = tool->name;
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if (!tool->arguments.isEmpty())
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json["arguments"] = tool->arguments;
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if (!tool->result.isEmpty())
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json["result"] = tool->result;
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} else if (const auto *attachment = std::get_if<AttachmentBlock>(&block)) {
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json["type"] = "attachment";
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json["fileName"] = attachment->fileName;
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json["storedPath"] = attachment->storedPath;
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} else if (const auto *image = std::get_if<ImageBlock>(&block)) {
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json["type"] = "image";
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json["fileName"] = image->fileName;
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json["storedPath"] = image->storedPath;
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json["mediaType"] = image->mediaType;
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} else if (const auto *edit = std::get_if<FileEditBlock>(&block)) {
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json["type"] = "file_edit";
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json["id"] = edit->id;
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json["payload"] = edit->payload;
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}
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return json;
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}
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std::optional<ContentBlock> blockFromJson(const QJsonObject &json)
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{
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const QString type = json["type"].toString();
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if (type == QLatin1String("text"))
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return ContentBlock{TextBlock{json["text"].toString()}};
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if (type == QLatin1String("thinking")) {
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return ContentBlock{ThinkingBlock{
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json["text"].toString(), json["signature"].toString(), json["redacted"].toBool(false)}};
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}
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if (type == QLatin1String("tool_call")) {
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return ContentBlock{ToolCallBlock{
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json["id"].toString(),
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json["name"].toString(),
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json["arguments"].toObject(),
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json["result"].toString()}};
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}
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if (type == QLatin1String("attachment"))
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return ContentBlock{
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AttachmentBlock{json["fileName"].toString(), json["storedPath"].toString()}};
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if (type == QLatin1String("image")) {
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return ContentBlock{ImageBlock{
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json["fileName"].toString(),
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json["storedPath"].toString(),
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json["mediaType"].toString()}};
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}
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if (type == QLatin1String("file_edit"))
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return ContentBlock{FileEditBlock{json["id"].toString(), json["payload"].toString()}};
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return std::nullopt;
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}
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QJsonObject messageToJson(const Message &message)
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{
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QJsonArray blocks;
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for (const ContentBlock &block : message.blocks)
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blocks.append(blockToJson(block));
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QJsonObject json;
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json["role"] = roleToString(message.role);
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if (!message.id.isEmpty())
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json["id"] = message.id;
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json["blocks"] = blocks;
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if (!message.usage.isEmpty())
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json["usage"] = usageToJson(message.usage);
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return json;
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}
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Message messageFromJson(const QJsonObject &json, int &droppedBlocks)
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{
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Message message;
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message.role = roleFromString(json["role"].toString());
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message.id = json["id"].toString();
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const QJsonArray blocks = json["blocks"].toArray();
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for (const QJsonValue &value : blocks) {
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if (auto block = blockFromJson(value.toObject()))
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message.blocks.append(*block);
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else
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++droppedBlocks;
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}
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if (json.contains("usage"))
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message.usage = usageFromJson(json["usage"].toObject());
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return message;
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}
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MessageRow legacyRowFromJson(const QJsonObject &json)
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{
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MessageRow row;
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row.kind = legacyRowKind(json["role"].toInt());
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row.id = json["id"].toString();
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row.content = json["content"].toString();
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row.redacted = json["isRedacted"].toBool(false);
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row.signature = json["signature"].toString();
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row.toolName = json["toolName"].toString();
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row.toolArguments = json["toolArguments"].toObject();
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row.toolResult = json["toolResult"].toString();
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const QJsonArray attachments = json["attachments"].toArray();
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for (const QJsonValue &value : attachments) {
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const QJsonObject attachment = value.toObject();
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row.attachments.append(
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AttachmentBlock{attachment["fileName"].toString(), attachment["storedPath"].toString()});
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}
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const QJsonArray images = json["images"].toArray();
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for (const QJsonValue &value : images) {
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const QJsonObject image = value.toObject();
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row.images.append(
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ImageBlock{
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image["fileName"].toString(),
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image["storedPath"].toString(),
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image["mediaType"].toString()});
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}
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if (json.contains("usage"))
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row.usage = usageFromJson(json["usage"].toObject());
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return row;
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}
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ConversationHistory historyFromLegacyJson(const QJsonObject &root)
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{
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QList<MessageRow> rows;
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const QJsonArray messages = root["messages"].toArray();
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for (const QJsonValue &value : messages)
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rows.append(legacyRowFromJson(value.toObject()));
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return buildFromRows(rows);
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}
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} // namespace
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QString HistorySerializer::currentVersion()
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{
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return QStringLiteral("0.4");
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}
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bool HistorySerializer::isSupportedVersion(const QString &version)
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{
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return version == currentVersion() || version == QLatin1String("0.2")
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|| version == QLatin1String("0.1");
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}
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QJsonObject HistorySerializer::toJson(const ConversationHistory &history)
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{
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QJsonArray messages;
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for (const Message &message : history.messages())
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messages.append(messageToJson(message));
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QJsonObject root;
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root["version"] = currentVersion();
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root["messages"] = messages;
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return root;
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}
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std::optional<ConversationHistory> HistorySerializer::fromJson(
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const QJsonObject &root, int *droppedBlocks)
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{
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if (droppedBlocks)
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*droppedBlocks = 0;
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const QString version = root["version"].toString();
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if (!isSupportedVersion(version) || !root["messages"].isArray())
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return std::nullopt;
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if (version != currentVersion())
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return historyFromLegacyJson(root);
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int dropped = 0;
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ConversationHistory history;
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const QJsonArray messages = root["messages"].toArray();
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for (const QJsonValue &value : messages)
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history.append(messageFromJson(value.toObject(), dropped));
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if (droppedBlocks)
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*droppedBlocks = dropped;
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return history;
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}
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} // namespace QodeAssist::Session
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