public async Task <IActionResult> Create(CreateOrUpdateBookViewModel book, IFormFile fImage)
{
if (ModelState.IsValid)
{
if (fImage == null || fImage.Length == 0)
{
ModelState.AddModelError("", "Uploaded file is empty or null.");
DropdownForm(null);
return(View(nameof(CreateOrUpdate), book));
}
string image = UploadFileExtensions.UploadFile(fImage, "books");
if (!string.IsNullOrEmpty(image))
{
book.Image = image;
}
book.Alias = book.Title.ToFriendlyUrl();
var viewModel = _mapper.Map <Book>(book);
_context.Add(viewModel);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
DropdownForm(book);
return(View(nameof(CreateOrUpdate), book));
}
private void DropdownForm(CreateOrUpdateBookViewModel book)
{
var authors = _context.Authors.Select(n => new
{
n.Id,
n.Name
}).ToList();
var categories = _context.Categories.Select(n => new
{
n.Id,
n.Name
}).ToList();
ViewData["AuthorId"] = new SelectList(authors, "Id", "Name", book != null ? book.AuthorId : 0);
ViewData["CategoryId"] = new SelectList(categories, "Id", "Name", book != null ? book.AuthorId : 0);
}
// GET: Admin/Books/Create
public async Task <IActionResult> CreateOrUpdate(int?id)
{
var model = new CreateOrUpdateBookViewModel();
if (id != null)
{
var book = await _context.Books.FindAsync(id);
model = _mapper.Map <CreateOrUpdateBookViewModel>(book);
DropdownForm(model);
}
else
{
DropdownForm(null);
}
return(View(model));
}