public async Task <string> AddBook(Books.Book book)
{
book.LastUpdate = DateTime.Now;
if (CrossConnectivity.Current.IsConnected)
{
(bool success, string res) = await booksService.AddBook(book, User);
if (success)
{
book.BookKey = res;
}
else
{
return(res);
}
}
else
{
//temporary local UID
book.BookKey = Guid.NewGuid().ToString();
}
localBooks.AddBook(book, User.Id);
return(null);
}
public static void main()
{
Book book1 = new Books.Book("Silas Marner ", 350, 15.95);
Book book2 = new Books.Book("Moby Dick ", 250, 16.00);
Book book3;
book3 = book1 + book2;
WriteLine("The new book is \"{0}\"", book3.Title);
WriteLine("It has {0} pages and costs {1}", book3.NumPages, book3.Price.ToString("C"));
}
public System.Threading.Tasks.Task <BookService.Result> AddBookAsync(Books.Book b)
{
return(base.Channel.AddBookAsync(b));
}
public BookService.Result AddBook(Books.Book b)
{
return(base.Channel.AddBook(b));
}
