public async Task <IActionResult> Edit(int?id)
{
/*
* if (id == null)
* {
* return NotFound();
* }
*
* var book = await _context.Book.FindAsync(id);
* if (book == null)
* {
* return NotFound();
* }
* var viewModel = new BookEditViewModel
* {
* Book = book,
* AvailableAuthors = await _context.Author.ToListAsync()
* };
* return View(viewModel);
*/
// if the id that was passed in if null, then an error is thrown
if (id == null)
{
return(NotFound());
}
var sneaker = await _context.Sneaker.FindAsync(id);
if (sneaker == null)
{// if the sneaker from the db that was passed in if null, then an error is thrown
return(NotFound());
}
var viewModel = new SneakersEditViewModel
{
Sneaker = sneaker,
AvailableBrands = await _context.Brand.ToListAsync(),
AvailableConditions = await _context.Condition.ToListAsync(),
AvailableSizes = await _context.Size.ToListAsync()
};
return(View(viewModel));
}
public async Task <IActionResult> Edit(int id, SneakersEditViewModel viewModel)
{
var sneaker = viewModel.Sneaker;
var sneaker4Image = viewModel.Sneaker.ImgPath;
if (id != sneaker.SneakerId)
{
return(NotFound());
}
ModelState.Remove("Sneaker.Brand");
ModelState.Remove("Sneaker.Condition");
ModelState.Remove("Sneaker.Size");
ModelState.Remove("Sneaker.User");
ModelState.Remove("Sneaker.UserId");
string uniqueFileName = null;
if (viewModel.Photo != null)
{
string uploadsFolder = Path.Combine(hostingEnvironment.WebRootPath, "images");
uniqueFileName = Guid.NewGuid().ToString() + "_" + viewModel.Photo.FileName;
string filePath = Path.Combine(uploadsFolder, uniqueFileName);
viewModel.Photo.CopyTo(new FileStream(filePath, FileMode.Create));
}
if (ModelState.IsValid)
{
try
{
var currentUser = await GetCurrentUserAsync();
sneaker.UserId = currentUser.Id;
sneaker.User = currentUser;
if (uniqueFileName != null)
{
sneaker.ImgPath = uniqueFileName;
}
else
{
sneaker.ImgPath = sneaker4Image;
}
_context.Update(sneaker);
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!SneakerExists(sneaker.SneakerId))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction(nameof(MySneakers)));
}
viewModel.AvailableBrands = await _context.Brand.ToListAsync();
viewModel.AvailableConditions = await _context.Condition.ToListAsync();
viewModel.AvailableSizes = await _context.Size.ToListAsync();
return(View(sneaker));
}
