public async Task UpdateBook(Book book)
{
dbContext.Entry(book).State = EntityState.Modified;
await dbContext.SaveChangesAsync();
}
public async Task<ActionResult> Create(Book book)
{
if (ModelState.IsValid)
{
//If author already exists
var matchedAuthors = await authorDb.GetAllAuthors();
var author = matchedAuthors.FirstOrDefault(a => a.First_Name.ToUpper() == book.Author.First_Name.ToUpper()
&& a.Last_Name.ToUpper() == book.Author.Last_Name.ToUpper());
//then do not create new author, use existing instead
if (author != null)
book.Author = author;
await bookDb.InsertBook(book);
return RedirectToAction("ListBooks");
}
return View(book);
}
public async Task InsertBook(Book book)
{
dbContext.Books.Add(book);
await dbContext.SaveChangesAsync();
}
public async Task<ActionResult> Edit(Book book)
{
ViewBag.Message = "Edit Book";
if (ModelState.IsValid)
{
await bookDb.UpdateBook(book);
return RedirectToAction("ListBooks");
}
return View(book);
}
