Method tableDelete

app/src/API/Handlers/DataTablesHandler.cpp:411–451

* @brief Deletes a table by name. With dryRun:true, reports what would be deleted without * mutating; the delete itself is a no-op if the table is not found. */

 *        mutating; the delete itself is a no-op if the table is not found.
 */
API::CommandResponse API::Handlers::DataTablesHandler::tableDelete(const QString& id,
                                                                   const QJsonObject& params)
{
  QString name;
  if (!requireString(params, QStringLiteral("name"), name))
    return CommandResponse::makeError(
      id, ErrorCode::MissingParam, QStringLiteral("Missing required parameter: name"));

  auto& pm           = DataModel::ProjectModel::instance();
  const auto& tables = pm.tables();
  const auto it =
    std::find_if(tables.begin(), tables.end(), [&name](const auto& t) { return t.name == name; });

  if (it == tables.end())
    return CommandResponse::makeError(
      id, ErrorCode::InvalidParam, QStringLiteral("Table not found: %1").arg(name));

  const bool isDryRun = params.value(QStringLiteral("dryRun")).toBool(false);

  QJsonArray registers;
  for (const auto& r : it->registers)
    registers.append(r.name);

  QJsonObject result;
  result[QStringLiteral("name")]          = name;
  result[QStringLiteral("registerCount")] = static_cast<int>(it->registers.size());
  result[QStringLiteral("registers")]     = registers;

  if (isDryRun) {
    result[QStringLiteral("dryRun")]  = true;
    result[QStringLiteral("deleted")] = false;
    result[QStringLiteral("warning")] = QStringLiteral(
      "DRY RUN: no changes were written. Re-call without dryRun:true to delete the table "
      "and all its registers.");
    return CommandResponse::makeSuccess(id, result);
  }

  pm.deleteTable(name);
  result[QStringLiteral("deleted")] = true;
  return CommandResponse::makeSuccess(id, result);
}

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