private Task <IEnumerable <IBookDTO> > CheckAvailability(Cart cart, string accessToken)
{
return(Task.Run(() =>
ResponseReader.GetBooks(RequestToServer.CheckBooksAvailability(cart, accessToken))
));
}
// return the list of books matching the search string async
public Task <IEnumerable <IBookDTO> > GetBooksAsync(string searchString = "")
{
return(Task.Run(() =>
ResponseReader.GetBooks(RequestToServer.RequestBooks(searchString))
));
}