Method tableRename

app/src/API/Handlers/DataTablesHandler.cpp:456–491

* @brief Renames a table. Returns an error if the target name is taken. */

 * @brief Renames a table. Returns an error if the target name is taken.
 */
API::CommandResponse API::Handlers::DataTablesHandler::tableRename(const QString& id,
                                                                   const QJsonObject& params)
{
  QString oldName;
  QString newName;
  if (!requireString(params, QStringLiteral("oldName"), oldName))
    return CommandResponse::makeError(
      id, ErrorCode::MissingParam, QStringLiteral("Missing required parameter: oldName"));

  if (!requireString(params, QStringLiteral("newName"), newName))
    return CommandResponse::makeError(
      id, ErrorCode::MissingParam, QStringLiteral("Missing required parameter: newName"));

  auto& pm = DataModel::ProjectModel::instance();

  const auto& preTables = pm.tables();
  const bool hasOld     = std::any_of(
    preTables.begin(), preTables.end(), [&oldName](const auto& t) { return t.name == oldName; });
  const bool hasNew = std::any_of(
    preTables.begin(), preTables.end(), [&newName](const auto& t) { return t.name == newName; });
  const bool collides = hasNew && (oldName != newName);

  bool applied = false;
  if (hasOld && !collides) {
    pm.renameTable(oldName, newName);
    const auto& tables = pm.tables();
    applied            = std::any_of(
      tables.begin(), tables.end(), [&newName](const auto& t) { return t.name == newName; });
  }

  QJsonObject result;
  result[QStringLiteral("oldName")] = oldName;
  result[QStringLiteral("newName")] = newName;
  result[QStringLiteral("renamed")] = applied;
  return CommandResponse::makeSuccess(id, result);
}

//--------------------------------------------------------------------------------------------------
// Register mutations