public Book Add(Book book)
{
if (book == null) return null;
book.Id = _bookId++;
_books.Add(book);
return book;
}
public IHttpActionResult Put(Book book)
{
if (!ModelState.IsValid) return BadRequest(ModelState);
Book editBook = Repository.Edit(book);
if (editBook == null) return Conflict();
return Created(string.Format("{0}/{1}", Request.RequestUri, editBook.Id), editBook);
}
public Book Edit(Book book)
{
if (book == null) return null;
int index = _books.FindIndex(b => b.Id == book.Id);
if (index == -1) return null;
_books.RemoveAt(index);
_books.Add(book);
return book;
}
