system_settings_service.hpp

/* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * Copyright (C) 2026 Marco Craveiro <marco.craveiro@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation; either version 3 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 51
 * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */
#ifndef ORES_VARIABILITY_SERVICE_SYSTEM_SETTINGS_SERVICE_HPP
#define ORES_VARIABILITY_SERVICE_SYSTEM_SETTINGS_SERVICE_HPP
 
#include <string>
#include <string_view>
#include <optional>
#include <vector>
#include "ores.logging/make_logger.hpp"
#include "ores.database/domain/context.hpp"
#include "ores.variability.api/domain/system_setting.hpp"
#include "ores.variability.core/repository/system_settings_repository.hpp"
 
namespace ores::variability::service {
 
class system_settings_service {
private:
    inline static std::string_view logger_name =
        "ores.variability.service.system_settings_service";
 
    [[nodiscard]] static auto& lg() {
        using namespace ores::logging;
        static auto instance = make_logger(logger_name);
        return instance;
    }
 
public:
    explicit system_settings_service(database::context ctx,
        std::string tenant_id = {});
 
    // -------------------------------------------------------------------------
    // Raw access
    // -------------------------------------------------------------------------
 
    [[nodiscard]] std::optional<domain::system_setting>
    get(const std::string& name);
 
    [[nodiscard]] std::vector<domain::system_setting> get_all();
 
    void save(const domain::system_setting& setting);
 
    void remove(const std::string& name);
 
    [[nodiscard]] std::vector<domain::system_setting>
    get_history(const std::string& name);
 
    // -------------------------------------------------------------------------
    // Typed accessors (return registry default if absent from DB)
    // -------------------------------------------------------------------------
 
    [[nodiscard]] bool get_bool(std::string_view name) const;
 
    [[nodiscard]] int get_int(std::string_view name) const;
 
    [[nodiscard]] std::string get_string(std::string_view name) const;
 
    [[nodiscard]] std::string get_json(std::string_view name) const;
 
    void refresh();
 
    // -------------------------------------------------------------------------
    // Convenience methods
    // -------------------------------------------------------------------------
 
    [[nodiscard]] bool is_bootstrap_mode_enabled() const;
    void set_bootstrap_mode(bool enabled, std::string_view modified_by,
        std::string_view change_reason_code,
        std::string_view change_commentary);
 
    [[nodiscard]] bool is_user_signups_enabled() const;
    void set_user_signups(bool enabled, std::string_view modified_by,
        std::string_view change_reason_code,
        std::string_view change_commentary);
 
    [[nodiscard]] bool is_signup_requires_authorization_enabled() const;
    void set_signup_requires_authorization(bool enabled,
        std::string_view modified_by,
        std::string_view change_reason_code,
        std::string_view change_commentary);
 
    [[nodiscard]] bool is_password_validation_disabled() const;
 
private:
    void set_bool_setting(std::string_view name, bool value,
        std::string_view modified_by,
        std::string_view change_reason_code,
        std::string_view change_commentary);
 
    // Cache: name → value text, populated by refresh()
    std::unordered_map<std::string, std::string> cache_;
 
    database::context ctx_;
    std::string tenant_id_;
    repository::system_settings_repository repo_;
};
 
}
 
#endif