public async Task<IHttpActionResult> PutBook(int id, Book book)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
if (id != book.Id)
{
return BadRequest();
}
db.Entry(book).State = EntityState.Modified;
try
{
await db.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!BookExists(id))
{
return NotFound();
}
else
{
throw;
}
}
return StatusCode(HttpStatusCode.NoContent);
}
public async Task<IHttpActionResult> PostBook(Book book)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
db.Books.Add(book);
await db.SaveChangesAsync();
//Load author name by accessing book with Entry(), finding the nav property
//with Reference(), then loading it to the db with Load()
db.Entry(book).Reference(x => x.Author).Load();
var dto = new BookDTO()
{
ID = book.Id,
Title = book.Title,
AuthorName = book.Author.Name
};
return CreatedAtRoute("DefaultApi", new { id = book.Id }, dto);
}