public ActionResult Create(Book book, string[] selectedAuthors)
{
PopulateLanguagesDropDownList();
PopulateGenresDropDownList();
PopulateBookAuthors(book);
try
{
if (ModelState.IsValid)
{
Language l = languageDAO.Find(book.LanguageID);
Genre g;
if (book.GenreID == -1)
{
g = new Genre();
g.Id = -1;
g.Name = "";
}
else
{
g = genreDAO.Find(book.GenreID);
}
book.Id = dao.CurrentID() + 1;
book.Language = l;
book.Genre = g;
UpdateBookAuthors(selectedAuthors, book);
if (book.Authors.Count == 0)
{
ModelState.AddModelError("", "At least one author should be selected");
return(View(book));
}
dao.Create(book);
return(RedirectToAction("Index"));
}
}
catch
{
ModelState.AddModelError("", "Unable to save changes.");
}
return(View(book));
}