AppSettings/Sources/AppConfiguration.cpp

/*
 * Copyright(c) Sophist Solutions, Inc. 1990-2021.  All rights reserved
 */
#include "Stroika/Frameworks/StroikaPreComp.h"
 
#include "Stroika/Foundation/Characters/ToString.h"
 
#include "AppConfiguration.h"
 
using namespace std;
 
using namespace Stroika::Foundation;
using namespace Stroika::Foundation::Characters;
using namespace Stroika::Foundation::Containers;
using namespace Stroika::Foundation::DataExchange;
using namespace Stroika::Foundation::Execution;
 
using namespace StroikaSample;
using namespace StroikaSample::AppSettings;
 
using StroikaSample::AppSettings::Private_::AppConfiguration_Storage_IMPL_;
 
/*
 ********************************************************************************
 *************************** AppConfigurationType *******************************
 ********************************************************************************
 */
const ObjectVariantMapper AppConfigurationType::kMapper = [] () {
    ObjectVariantMapper mapper;
    mapper.AddCommonType<optional<IO::Network::PortType>> ();
    mapper.AddClass<AppConfigurationType> ({
        {"WebServerPort"sv, &AppConfigurationType::WebServerPort},
    });
    return mapper;
}();
 
/*
 ********************************************************************************
 ******************** Private_::AppConfiguration_Storage_IMPL_ ******************
 ********************************************************************************
 */
AppConfiguration_Storage_IMPL_::AppConfiguration_Storage_IMPL_ ()
    // by default fOptionsFile_ requires Execution::Logger::Activator logMgrActivator in main(), or use different Logger CTOR argument
    : fOptionsFile_{
          /*
           * Any module name will do. This will map (by default) to a AppSettings.json file in XXX.
           * If you require a single configuration file 'Main" might be a better module name.
           * But if you have multiple modules with configuration data, pick a name that matches that module,
           * and they will all be stored under a folder for all your apps configuration.
           */
          "AppSettings"sv, 
          
          /*
           */
          AppConfigurationType::kMapper, 
          
          /*
           * Hooks for versioning, to manage as your application evolves and the configuration data changes
           */
        OptionsFile::kDefaultUpgrader, 
 
          /*
           */
        OptionsFile::mkFilenameMapper ("Put-Your-App-Name-Here"sv)}
    , fActualCurrentConfigData_{fOptionsFile_.Read<AppConfigurationType> (AppConfigurationType{})}
{
    Set (fActualCurrentConfigData_); // assure derived data (and changed fields etc) up to date
}
 
AppConfigurationType AppConfiguration_Storage_IMPL_::Get () const
{
    return fActualCurrentConfigData_;
}
 
void AppConfiguration_Storage_IMPL_::Set (const AppConfigurationType& v)
{
    fActualCurrentConfigData_ = v;
    fOptionsFile_.Write (v);
}