public SaveBackupResult Save(string system, string user)
{
switch (_questionToBackup.Ask())
{
case QuestionToBackupResult.NoThanks:
return(SaveBackupResult.Done);
case QuestionToBackupResult.YesIWantBackup:
return(_backup.Save(system, user));
case QuestionToBackupResult.Cancel:
return(SaveBackupResult.Cancel);
default:
throw new ArgumentOutOfRangeException();
}
}
private void Save(object o)
{
if (o is IFormattedEnvironmentVariablePath formatted)
{
switch (_backup.Save(_environmentVariablePath.System, _environmentVariablePath.User))
{
case SaveBackupResult.Done:
break;
case SaveBackupResult.Cancel:
throw new InvalidOperationException("Backup is canceled.");
default:
throw new ArgumentOutOfRangeException();
}
if (_user.IsAdministrator)
{
_environmentVariablePath.System = ParsePath(formatted.System);
}
_environmentVariablePath.User = ParsePath(formatted.User);
}
}
