Styles was added

services/settingsservice.cpp

@@ -1,5 +1,11 @@
 #include "settingsservice.h"
 
+namespace Defaults {
+
+constexpr auto GuestUserId = "2641ffe8cd4311eda27f0242ac120002";
+
+}
+
 QVariant SettingsService::value(const QString &key, const QVariant &defaultValue) const
 {
     return m_settings.value(key, defaultValue);
@@ -9,3 +15,13 @@ void SettingsService::setValue(const QString &key, const QVariant &value)
 {
     m_settings.setValue(key, value);
 }
+
+QString SettingsService::selectedUserId() const
+{
+    return m_settings.value("selected_user", Defaults::GuestUserId).toString();
+}
+
+void SettingsService::setSelectedUserId(const QString &userId)
+{
+    m_settings.setValue("selected_user", userId);
+}