Method runRestoreProjectFromJson

app/src/Sessions/DatabaseManager.cpp:1083–1126

* @brief Worker handed back the global project JSON -- finish the restore on the main thread. */

 * @brief Worker handed back the global project JSON -- finish the restore on the main thread.
 */
void Sessions::DatabaseManager::runRestoreProjectFromJson(const QString& json)
{
  if (json.isEmpty()) {
    Misc::Utilities::showMessageBox(tr("No project data"),
                                    tr("This session file does not contain an embedded project."),
                                    QMessageBox::Warning);
    return;
  }

  QJsonParseError parseError{};
  const auto doc = QJsonDocument::fromJson(json.toUtf8(), &parseError);
  if (parseError.error != QJsonParseError::NoError || doc.isEmpty()) {
    Misc::Utilities::showMessageBox(
      tr("Invalid project data"),
      tr("The embedded project JSON is malformed and cannot be restored."),
      QMessageBox::Critical);
    return;
  }

  const auto title       = doc.object().value("title").toString("Restored Project");
  const auto projectsDir = DataModel::ProjectModel::instance().jsonProjectsPath();
  const auto suggested   = QStringLiteral("%1/%2.ssproj").arg(projectsDir, title);

  const auto path = QFileDialog::getSaveFileName(
    nullptr, tr("Restore Project"), suggested, tr("Serial Studio projects (*.ssproj *.json)"));

  if (path.isEmpty())
    return;

  QFile file(path);
  if (!file.open(QIODevice::WriteOnly | QIODevice::Text)) {
    Misc::Utilities::showMessageBox(
      tr("Cannot write file"), tr("Check file permissions and try again."), QMessageBox::Critical);
    return;
  }

  file.write(doc.toJson(QJsonDocument::Indented));
  file.close();

  AppState::instance().setOperationMode(SerialStudio::ProjectFile);
  DataModel::ProjectModel::instance().openJsonFile(path);

  Q_EMIT projectMetadataRestored();
}

/**
 * @brief Reopens the database that was open during the last application run.