public async Task <ActionResult <UploadState> > CreateUploadAsync(CreateNewBookRequest request)
{
try
{
// creating an entirely new book
if (request.Book != null)
{
return(_uploads.CreateTask(new BookUpload
{
Book = request.Book,
Content = request.Content
}));
}
// adding contents to an existing book
if (request.BookId != null)
{
var book = await _books.GetAsync(request.BookId);
if (book == null)
{
return(ResultUtilities.NotFound <Book>(request.BookId));
}
return(_uploads.CreateTask(new BookUpload
{
BookId = book.Id,
Content = request.Content
}));
}
}
catch (InvalidOperationException e)
{
return(BadRequest(e.Message));
}
throw new ArgumentException("Invalid upload state.");
}
