Make SettingsManager an object instead of a namespace

scwx-qt/source/scwx/qt/main/main.cpp

@@ -69,7 +69,7 @@ int main(int argc, char* argv[])
 
    // Initialize application
    scwx::qt::config::RadarSite::Initialize();
-   scwx::qt::manager::SettingsManager::Initialize();
+   scwx::qt::manager::SettingsManager::Instance().Initialize();
    scwx::qt::manager::ResourceManager::Initialize();
 
    // Run Qt main loop
@@ -89,7 +89,7 @@ int main(int argc, char* argv[])
 
    // Shutdown application
    scwx::qt::manager::ResourceManager::Shutdown();
-   scwx::qt::manager::SettingsManager::Shutdown();
+   scwx::qt::manager::SettingsManager::Instance().Shutdown();
 
    // Shutdown AWS SDK
    Aws::ShutdownAPI(awsSdkOptions);

scwx-qt/source/scwx/qt/manager/settings_manager.cpp

@@ -21,21 +21,33 @@ namespace qt
 {
 namespace manager
 {
-namespace SettingsManager
-{
 
 static const std::string logPrefix_ = "scwx::qt::manager::settings_manager";
 static const auto        logger_    = scwx::util::Logger::Create(logPrefix_);
 
-static boost::json::value ConvertSettingsToJson();
-static void               GenerateDefaultSettings();
-static bool               LoadSettings(const boost::json::object& settingsJson);
-static void               ValidateSettings();
+class SettingsManager::Impl
+{
+public:
+   explicit Impl(SettingsManager* self) : self_ {self} {}
+   ~Impl() = default;
 
-static bool        initialized_ {false};
-static std::string settingsPath_ {};
+   void ValidateSettings();
 
-void Initialize()
+   static boost::json::value ConvertSettingsToJson();
+   static void               GenerateDefaultSettings();
+   static bool LoadSettings(const boost::json::object& settingsJson);
+
+   SettingsManager* self_;
+
+   bool        initialized_ {false};
+   std::string settingsPath_ {};
+};
+
+SettingsManager::SettingsManager() : p(std::make_unique<Impl>(this)) {}
+
+SettingsManager::~SettingsManager() {};
+
+void SettingsManager::Initialize()
 {
    std::string appDataPath {
       QStandardPaths::writableLocation(QStandardPaths::AppDataLocation)
@@ -50,14 +62,14 @@ void Initialize()
       }
    }
 
-   settingsPath_ = appDataPath + "/settings.json";
-   initialized_  = true;
+   p->settingsPath_ = appDataPath + "/settings.json";
+   p->initialized_  = true;
 
-   ReadSettings(settingsPath_);
-   ValidateSettings();
+   ReadSettings(p->settingsPath_);
+   p->ValidateSettings();
 }
 
-void ReadSettings(const std::string& settingsPath)
+void SettingsManager::ReadSettings(const std::string& settingsPath)
 {
    boost::json::value settingsJson = nullptr;
 
@@ -68,34 +80,34 @@ void ReadSettings(const std::string& settingsPath)
 
    if (settingsJson == nullptr || !settingsJson.is_object())
    {
-      GenerateDefaultSettings();
-      settingsJson = ConvertSettingsToJson();
+      Impl::GenerateDefaultSettings();
+      settingsJson = Impl::ConvertSettingsToJson();
       util::json::WriteJsonFile(settingsPath, settingsJson);
    }
    else
    {
-      bool jsonDirty = LoadSettings(settingsJson.as_object());
+      bool jsonDirty = Impl::LoadSettings(settingsJson.as_object());
 
       if (jsonDirty)
       {
-         settingsJson = ConvertSettingsToJson();
+         settingsJson = Impl::ConvertSettingsToJson();
          util::json::WriteJsonFile(settingsPath, settingsJson);
       }
    };
 }
 
-void SaveSettings()
+void SettingsManager::SaveSettings()
 {
-   if (initialized_)
+   if (p->initialized_)
    {
       logger_->info("Saving settings");
 
-      boost::json::value settingsJson = ConvertSettingsToJson();
-      util::json::WriteJsonFile(settingsPath_, settingsJson);
+      boost::json::value settingsJson = Impl::ConvertSettingsToJson();
+      util::json::WriteJsonFile(p->settingsPath_, settingsJson);
    }
 }
 
-void Shutdown()
+void SettingsManager::Shutdown()
 {
    bool dataChanged = false;
 
@@ -109,7 +121,7 @@ void Shutdown()
    }
 }
 
-static boost::json::value ConvertSettingsToJson()
+boost::json::value SettingsManager::Impl::ConvertSettingsToJson()
 {
    boost::json::object settingsJson;
 
@@ -122,7 +134,7 @@ static boost::json::value ConvertSettingsToJson()
    return settingsJson;
 }
 
-static void GenerateDefaultSettings()
+void SettingsManager::Impl::GenerateDefaultSettings()
 {
    logger_->info("Generating default settings");
 
@@ -133,7 +145,8 @@ static void GenerateDefaultSettings()
    settings::UiSettings::Instance().SetDefaults();
 }
 
-static bool LoadSettings(const boost::json::object& settingsJson)
+bool SettingsManager::Impl::LoadSettings(
+   const boost::json::object& settingsJson)
 {
    logger_->info("Loading settings");
 
@@ -148,7 +161,7 @@ static bool LoadSettings(const boost::json::object& settingsJson)
    return jsonDirty;
 }
 
-static void ValidateSettings()
+void SettingsManager::Impl::ValidateSettings()
 {
    logger_->debug("Validating settings");
 
@@ -185,11 +198,16 @@ static void ValidateSettings()
 
    if (settingsChanged)
    {
-      SaveSettings();
+      self_->SaveSettings();
    }
 }
 
-} // namespace SettingsManager
+SettingsManager& SettingsManager::Instance()
+{
+   static SettingsManager instance_ {};
+   return instance_;
+}
+
 } // namespace manager
 } // namespace qt
 } // namespace scwx

scwx-qt/source/scwx/qt/manager/settings_manager.hpp

@@ -1,6 +1,9 @@
 #pragma once
 
 #include <string>
+#include <memory>
+
+#include <QObject>
 
 namespace scwx
 {
@@ -8,15 +11,28 @@ namespace qt
 {
 namespace manager
 {
-namespace SettingsManager
+
+class SettingsManager : public QObject
 {
+   Q_OBJECT
+   Q_DISABLE_COPY_MOVE(SettingsManager)
 
-void Initialize();
-void ReadSettings(const std::string& settingsPath);
-void SaveSettings();
-void Shutdown();
+public:
+   explicit SettingsManager();
+   ~SettingsManager();
+
+   void Initialize();
+   void ReadSettings(const std::string& settingsPath);
+   void SaveSettings();
+   void Shutdown();
+
+   static SettingsManager& Instance();
+
+private:
+   class Impl;
+   std::unique_ptr<Impl> p;
+};
 
-} // namespace SettingsManager
 } // namespace manager
 } // namespace qt
 } // namespace scwx

scwx-qt/source/scwx/qt/ui/settings_dialog.cpp

@@ -989,7 +989,7 @@ void SettingsDialogImpl::ApplyChanges()
 
    if (committed)
    {
-      manager::SettingsManager::SaveSettings();
+      manager::SettingsManager::Instance().SaveSettings();
    }
 }
 

test/source/scwx/qt/manager/settings_manager.test.cpp

@@ -76,7 +76,7 @@ TEST_F(SettingsManagerTest, CreateJson)
    // Verify file doesn't exist prior to test start
    EXPECT_EQ(std::filesystem::exists(filename), false);
 
-   SettingsManager::ReadSettings(filename);
+   SettingsManager::Instance().ReadSettings(filename);
 
    EXPECT_EQ(std::filesystem::exists(filename), true);
 
@@ -92,7 +92,7 @@ TEST_F(SettingsManagerTest, SettingsKeax)
    std::string filename(std::string(SCWX_TEST_DATA_DIR) +
                         "/json/settings/settings-keax.json");
 
-   SettingsManager::ReadSettings(filename);
+   SettingsManager::Instance().ReadSettings(filename);
 
    EXPECT_EQ(
       settings::GeneralSettings::Instance().default_radar_site().GetValue(),
@@ -112,7 +112,7 @@ TEST_P(DefaultSettingsTest, DefaultSettings)
 
    std::filesystem::copy_file(sourceFile, filename);
 
-   SettingsManager::ReadSettings(filename);
+   SettingsManager::Instance().ReadSettings(filename);
 
    VerifyDefaults();
    CompareFiles(filename, DEFAULT_SETTINGS_FILE);
@@ -140,7 +140,7 @@ TEST_P(BadSettingsTest, BadSettings)
 
    std::filesystem::copy_file(sourceFile, filename);
 
-   SettingsManager::ReadSettings(filename);
+   SettingsManager::Instance().ReadSettings(filename);
 
    CompareFiles(filename, goodFile);