namespace HistoryView.Converters; public class AuthorityToVis : IValueConverter { public object Convert(object value, Type targetType, object parameter, CultureInfo culture) { if (value is not UserAuthority user) return Visibility.Collapsed; if (parameter is not string aquired) return Visibility.Collapsed; UserAuthority requriedAuthority = aquired switch { "Guest" => UserAuthority.Guest, "Operator" => UserAuthority.Operator, "Engineer" => UserAuthority.Engineer, _ => UserAuthority.God }; if (user >= requriedAuthority) return Visibility.Visible; return Visibility.Collapsed; } public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) { throw new NotImplementedException(); } }