public async Task <ActionResult <GetAuthorDetailsResponse> > AddAnAuthor([FromBody] PostAuthorRequest request)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
else
{
var author = new Author {
FirstName = request.FirstName, LastName = request.LastName
};
try
{
_context.Authors.Add(author);
await _context.SaveChangesAsync();
var response = new GetAuthorDetailsResponse(author.Id, author.FirstName, author.LastName);
return(CreatedAtRoute("get-author-by-id", new { Id = author.Id }, response));
}
catch (DbUpdateException) // That author already exists!
{
// options here: You could return OK or Accepted. I mean, you did what the person wanted.
// Or you could return a 303 - see other. we'll do that because it is more fun.
var id = await _context.Authors.Where(a => a.FirstName == request.FirstName && a.LastName == request.LastName)
.Select(a => a.Id).SingleOrDefaultAsync();
Response.Headers.Add("Location", Url.RouteUrl("get-author-by-id", new { Id = id }));
return(StatusCode(303));
}
}
}
public async Task <GetBooksResponse> GetAsync()
{
var data = await _dbContext.Books
.Include(b => b.Author).ToListAsync();
var embeddedBooks = new List <GetBookDetailsResponse>();
foreach (var book in data)
{
var authorLinks = new List <Link>();
authorLinks.Add(_authorLinks.GetAuthorDetailsLink(book.Author.Id));
authorLinks.AddRange(_authorLinks.GetLinks());
var author = new GetAuthorDetailsResponse(book.Author.FirstName, book.Author.LastName)
{
Links = authorLinks
};
embeddedBooks.Add(new GetBookDetailsResponse(book.ISBN, book.Title)
{
Embedded = new List <GetAuthorDetailsResponse>()
{
author
},
Links = _bookLinks.GetBookDetailsLinks(book.ISBN, book.Author.Id).ToList()
});
}
return(new GetBooksResponse()
{
Embedded = embeddedBooks, Links = _bookLinks.GetBooksLinks().ToList()
});
}
public async Task <ActionResult> UpdateAuthor(int id, [FromBody] GetAuthorDetailsResponse request)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
else
{
var savedAuthor = await _context.Authors.SingleOrDefaultAsync(a => a.Id == id);
if (savedAuthor == null)
{
return(NotFound());
}
else
{
savedAuthor.FirstName = request.FirstName;
savedAuthor.LastName = request.LastName;
await _context.SaveChangesAsync();
return(NoContent());
}
}
}