Update only last check date when needed

src/manager.cpp

@@ -62,12 +62,8 @@ Manager::Manager()
 
 Manager::~Manager()
 {
-  if (updateAutoChecker_ && updateAutoChecker_->isLastCheckDateChanged()) {
+  if (updateAutoChecker_ && updateAutoChecker_->isLastCheckDateChanged())
-    Settings settings;
+    Settings::saveLastUpdateCheck(updateAutoChecker_->lastCheckDate());
-    settings.load();
-    settings.lastUpdateCheck = updateAutoChecker_->lastCheckDate();
-    settings.save();
-  }
 }
 
 void Manager::updateSettings(const Settings &settings)

src/settings.cpp

@@ -254,6 +254,21 @@ void Settings::load()
   settings.endGroup();
 }
 
+void Settings::saveLastUpdateCheck(const QDateTime& dt)
+{
+  std::unique_ptr<QSettings> ptr;
+  if (QFile::exists(iniFileName)) {
+    ptr = std::make_unique<QSettings>(iniFileName, QSettings::IniFormat);
+  } else {
+    ptr = std::make_unique<QSettings>();
+  }
+  auto& settings = *ptr;
+
+  settings.beginGroup(qs_guiGroup);
+  settings.setValue(qs_lastUpdateCheck, dt);
+  settings.endGroup();
+}
+
 bool Settings::isPortable() const
 {
   return isPortable_;

src/settings.h

@@ -23,6 +23,8 @@ public:
   void save() const;
   void load();
 
+  static void saveLastUpdateCheck(const QDateTime& dt);
+
   bool isPortable() const;
   void setPortable(bool isPortable);