Add ability to preview templates on user's books (#700)

Add template editor menu items to main grid context menu

Source/LibationUiBase/GridView/GridContextMenu.cs

@@ -0,0 +1,114 @@
+using ApplicationServices;
+using DataLayer;
+using FileLiberator;
+using LibationFileManager;
+using System;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Windows.Input;
+
+namespace LibationUiBase.GridView;
+
+public class GridContextMenu
+{
+	public string CopyCellText => $"{Accelerator}Copy Cell Contents";
+	public string LiberateEpisodesText => $"{Accelerator}Liberate All Episodes";
+	public string SetDownloadedText => $"Set Download status to '{Accelerator}Downloaded'";
+	public string SetNotDownloadedText => $"Set Download status to '{Accelerator}Not Downloaded'";
+	public string RemoveText => $"{Accelerator}Remove from library";
+	public string LocateFileText => $"{Accelerator}Locate file...";
+	public string LocateFileDialogTitle => $"Locate the audio file for '{GridEntry.Book.TitleWithSubtitle}'";
+	public string LocateFileErrorMessage => "Error saving book's location";
+	public string ConvertToMp3Text => $"{Accelerator}Convert to Mp3";
+	public string ReDownloadText => "Re-download this audiobook";
+	public string EditTemplatesText => "Edit Templates";
+	public string FolderTemplateText => "Folder Template";
+	public string FileTemplateText => "File Template";
+	public string MultipartTemplateText => "Multipart File Template";
+	public string ViewBookmarksText => "View _Bookmarks/Clips";
+	public string ViewSeriesText => GridEntry.Liberate.IsSeries ? "View All Episodes in Series" : "View All Books in Series";
+
+	public bool LiberateEpisodesEnabled => GridEntry is ISeriesEntry sEntry && sEntry.Children.Any(c => c.Liberate.BookStatus is LiberatedStatus.NotLiberated or LiberatedStatus.PartialDownload);
+	public bool SetDownloadedEnabled => GridEntry.Book.UserDefinedItem.BookStatus != LiberatedStatus.Liberated || GridEntry.Liberate.IsSeries;
+	public bool SetNotDownloadedEnabled => GridEntry.Book.UserDefinedItem.BookStatus != LiberatedStatus.NotLiberated || GridEntry.Liberate.IsSeries;
+	public bool ConvertToMp3Enabled => GridEntry.Book.UserDefinedItem.BookStatus is LiberatedStatus.Liberated;
+	public bool ReDownloadEnabled => GridEntry.Book.UserDefinedItem.BookStatus is LiberatedStatus.Liberated;
+
+	public IGridEntry GridEntry { get; }
+	public char Accelerator { get; }
+
+	public GridContextMenu(IGridEntry gridEntry, char accelerator)
+	{
+		GridEntry = gridEntry;
+		Accelerator = accelerator;
+	}
+
+	public void SetDownloaded()
+	{
+		if (GridEntry is ISeriesEntry series)
+		{
+			series.Children.Select(c => c.LibraryBook).UpdateBookStatus(LiberatedStatus.Liberated);
+		}
+		else
+		{
+			GridEntry.LibraryBook.UpdateBookStatus(LiberatedStatus.Liberated);
+		}
+	}
+
+	public void SetNotDownloaded()
+	{
+		if (GridEntry is ISeriesEntry series)
+		{
+			series.Children.Select(c => c.LibraryBook).UpdateBookStatus(LiberatedStatus.NotLiberated);
+		}
+		else
+		{
+			GridEntry.LibraryBook.UpdateBookStatus(LiberatedStatus.NotLiberated);
+		}
+	}
+
+	public async Task RemoveAsync()
+	{
+		if (GridEntry is ISeriesEntry series)
+		{
+			await series.Children.Select(c => c.LibraryBook).RemoveBooksAsync();
+		}
+		else
+		{
+			await Task.Run(GridEntry.LibraryBook.RemoveBook);
+		}
+	}
+
+	public ITemplateEditor CreateTemplateEditor<T>(LibraryBook libraryBook, string existingTemplate)
+			where T : Templates, ITemplate, new()
+	{
+		LibraryBookDto fileDto = libraryBook.ToDto(), folderDto = fileDto;
+
+		if (libraryBook.Book.IsEpisodeChild() &&
+			Configuration.Instance.SavePodcastsToParentFolder &&
+			libraryBook.Book.SeriesLink.SingleOrDefault() is SeriesBook series)
+		{
+			using var context = DbContexts.GetContext();
+			var seriesParent = context.GetLibraryBook_Flat_NoTracking(series.Series.AudibleSeriesId);
+			folderDto = seriesParent?.ToDto() ?? fileDto;
+		}
+
+		return TemplateEditor<T>.CreateFilenameEditor(Configuration.Instance.Books, existingTemplate, folderDto, fileDto);
+	}
+
+
+}
+class Command : ICommand
+{
+	public event EventHandler CanExecuteChanged;
+
+	public bool CanExecute(object parameter)
+	{
+		throw new NotImplementedException();
+	}
+
+	public void Execute(object parameter)
+	{
+		throw new NotImplementedException();
+	}
+}