Method loadFromJSON

app/src/API/Handlers/ProjectHandler.cpp:3984–4030

* @brief Load project configuration from JSON object */

 * @brief Load project configuration from JSON object
 */
API::CommandResponse API::Handlers::ProjectHandler::loadFromJSON(const QString& id,
                                                                 const QJsonObject& params)
{
  if (!params.contains(QStringLiteral("config"))) {
    return CommandResponse::makeError(
      id, ErrorCode::MissingParam, QStringLiteral("Missing required parameter: config"));
  }

  const QJsonObject config = params.value(QStringLiteral("config")).toObject();
  if (config.isEmpty()) {
    return CommandResponse::makeError(
      id, ErrorCode::InvalidParam, QStringLiteral("config cannot be empty"));
  }

  const bool isDryRun = params.value(QStringLiteral("dryRun")).toBool(false);
  if (isDryRun) {
    QJsonObject result;
    result[QStringLiteral("dryRun")]       = true;
    result[QStringLiteral("wouldDiscard")] = summarizeCurrentProject();
    result[QStringLiteral("wouldApply")]   = summarizeProjectJson(config);
    result[QStringLiteral("warning")] =
      QStringLiteral("DRY RUN: no project was loaded. wouldDiscard shows what would be lost; "
                     "wouldApply shows what would replace it. Confirm before re-issuing "
                     "without dryRun:true.");
    return CommandResponse::makeSuccess(id, result);
  }

  auto& project = DataModel::ProjectModel::instance();
  project.setSuppressMessageBoxes(true);
  const bool ok = project.loadFromJsonDocument(QJsonDocument(config));
  project.setSuppressMessageBoxes(false);

  if (!ok) {
    return CommandResponse::makeError(
      id,
      ErrorCode::OperationFailed,
      QStringLiteral("Failed to load project from JSON (validation error)"));
  }

  QJsonObject result;
  result[QStringLiteral("loaded")]       = true;
  result[QStringLiteral("title")]        = project.title();
  result[QStringLiteral("groupCount")]   = project.groupCount();
  result[QStringLiteral("datasetCount")] = project.datasetCount();

  return CommandResponse::makeSuccess(id, result);
}

/**
 * @brief Configure frame parser settings for a specific source.