private void FügeBuchHinzu(object parameter)
{
if (parameter is Book book)
{
var result = FavoriteBooksManager.AddFavoriteBook(book);
if (result.success)
{
MessageBox.Show($"Buch {book.volumeInfo.title} wurde hinzugefügt!");
}
else
{
MessageBox.Show(result.errorString);
}
}
}
public FavoritePageVM()
{
FavoriteBooks = new ObservableCollection <Book>(FavoriteBooksManager.FavoriteBooks);
AddFavoriteCommand = new DelegateCommand(param => FavoriteBooksManager.AddFavoriteBook(param as Book));
RemoveFavoriteCommand = new DelegateCommand(param => FavoriteBooksManager.RemoveFavoriteBook(param as Book));
}