Blacker.MangaScraper.ViewModel.MainWindowViewModel.SaveClicked C# (CSharp) Метод

        public void SaveClicked(object parameter)
        {
            if (string.IsNullOrEmpty(OutputPath))
            {
                ServiceLocator.Instance.GetService<IInteractionService>().ShowError("Output folder must be selected.");
                return;
            }

            if (SelectedChapters.Count == 0)
            {
                ServiceLocator.Instance.GetService<IInteractionService>().ShowError("Chapter must be selected.");
                return;
            }

            if (!Directory.Exists(OutputPath))
            {
                if (ServiceLocator.Instance.GetService<IInteractionService>()
                                  .ShowMessageBox("The output folder doesn't exist. Would you like to create it?",
                                                  "Output folder",
                                                  MessageBoxButton.YesNo,
                                                  MessageBoxImage.Question) == MessageBoxResult.Yes)
                {
                    try
                    {
                        Directory.CreateDirectory(OutputPath);
                    }
                    catch (Exception ex)
                    {
                        _log.Error("Unable to create output folder.", ex);
                        ServiceLocator.Instance.GetService<IInteractionService>().ShowError("Unable to create output folder");
                        return;
                    }
                }
                else
                {
                    // if user don't want us to create the output folder, we will simply don't start the download
                    return;
                }
            }

            // save output path to recent list
            Properties.Settings.Default.RecentFolders.Add(OutputPath);
            OnPropertyChanged(() => RecentFolders);

            foreach (var selectedChapter in SelectedChapters)
            {
                _downloadManager.Download(selectedChapter, OutputPath, CurrentDownloadFormatProvider);
            }
        }