public async Task <ActionResult <Book> > PostBook([FromForm] BooksBDL book)
{
Book bookDetails = new Book();
var authorlist = await _context.Authors.ToListAsync();
var booklist = await _context.Books.ToListAsync();
if (book == null)
{
return(NotFound());
}
foreach (var books in booklist)
{
if (books.Abbrv == book.Abbrv)
{
return(Conflict("Book already exists"));
}
}
bool alreadyexist = authorlist.Any(aId => aId.AuthorId == book.AuthorId);
if (alreadyexist)
{
bookDetails.AuthorId = book.AuthorId;
bookDetails.Abbrv = book.Abbrv;
bookDetails.BookTitle = book.BookTitle;
bookDetails.TotalPages = book.TotalPages;
bookDetails.BookId = book.BookId;
}
else
{
return(Conflict("Author not exists"));
}
_context.Books.Add(bookDetails);
try
{
await _context.SaveChangesAsync();
}
catch (DbUpdateException)
{
if (BookExists(book.BookId))
{
return(Conflict("Book already exists"));
}
else
{
throw;
}
}
return(CreatedAtAction("BookCreated", new { message = "Book details created with Book ID : " + bookDetails.BookId, id = bookDetails.BookId }));
}
public async Task <IActionResult> PutBook(int id, [FromForm] BooksBDL book)
{
var bookDetails = await _context.Books.FindAsync(id);
var authorlist = await _context.Authors.ToListAsync();
var booklist = await _context.Books.ToListAsync();
if (bookDetails == null)
{
return(BadRequest(new { message = "Book not found" }));
}
if (id != book.BookId)
{
return(BadRequest(new { message = "Book ID is incorrect" }));
}
foreach (var books in booklist)
{
if (books.Abbrv == book.Abbrv)
{
return(Conflict("Book already exists"));
}
}
if (book.AuthorId != null)
{
bool author = authorlist.Any(aId => aId.AuthorId == book.AuthorId);
if (author)
{
bookDetails.AuthorId = book.AuthorId;
}
else
{
return(Conflict("Author not exists"));
}
}
if (book.Abbrv != null && book.BookTitle != null)
{
bookDetails.Abbrv = book.Abbrv;
}
bookDetails.BookTitle = book.BookTitle;
if (book.Isbn != null)
{
bookDetails.Isbn = book.Isbn;
}
if (book.BookId != 0)
{
bookDetails.BookId = book.BookId;
}
if (book.TotalPages != 0)
{
bookDetails.TotalPages = book.TotalPages;
}
_context.Entry(bookDetails).State = EntityState.Modified;
try
{
await _context.SaveChangesAsync();
return(Ok(new { message = "Book details updated Successfully." }));
}
catch (DbUpdateConcurrencyException)
{
if (!BookExists(id))
{
return(NotFound());
}
else
{
throw;
}
}
}