Пример #1
0
        public async void _RemoveBook()
        {
            if (SelectedTableRow == null)
            {
                return;
            }
            Database.BookEntry book = SelectedTableRow;

            bool onDevice = SelectedDevice == null ? false : CombinedLibrary.Any(x => x.IsRemote && x.Id == book.Id);
            bool onPC     = CombinedLibrary.Any(x => x.IsLocal && x.Id == book.Id);

            var dlg = new Dialogs.DeleteConfirm(book.Title, onDevice, onPC);
            await MaterialDesignThemes.Wpf.DialogHost.Show(dlg);

            if (dlg.DialogResult == false)
            {
                return;
            }
            if (dlg.DeleteFrom == 0 || dlg.DeleteFrom == 1) // device
            {
                Database.BookEntry remoteBook = SelectedDevice.Database.BOOKS.FirstOrDefault(x => x.Id == book.Id);
                try
                {
                    SelectedDevice.DeleteBook(book.Id);
                }
                catch (Exception e)
                {
                    var errDlg = new Dialogs.Error($"Unable to delete book from {SelectedDevice.Name}", e.Message);
                    await MaterialDesignThemes.Wpf.DialogHost.Show(errDlg);

                    return;
                }
            }
            if (dlg.DeleteFrom == 0 || dlg.DeleteFrom == 2) // pc
            {
                Database.BookEntry localBook = CombinedLibrary.FirstOrDefault(x => x.IsLocal && x.Id == book.Id);
                try
                {
                    if (localBook != null)
                    {
                        try
                        {
                            App.LocalLibrary.DeleteBook(localBook);
                        }
                        catch (FileNotFoundException) { }
                        catch (DirectoryNotFoundException) { }

                        Utils.Files.CleanBackward(Path.GetDirectoryName(localBook.FilePath), App.LibraryDirectory);
                    }
                    App.LocalLibrary.Database.RemoveBook(book);
                }
                catch (Exception e)
                {
                    var errDlg = new Dialogs.Error("Unable to delete book from library", e.Message);
                    await MaterialDesignThemes.Wpf.DialogHost.Show(errDlg);

                    return;
                }
            }

            string msg = dlg.DeleteFrom == 0 ? "PC & Kindle" : (dlg.DeleteFrom == 2 ? "PC" : "Kindle");

            SnackBarQueue.Enqueue($"{book.Title} deleted from {msg}.");
        }