public async Task <IActionResult> Edit(int id, [Bind("Id,Type,Brand,ModelName,ModelNum,Image,ImagePath")] DeviceModelEditViewModel vm)
{
if (id != vm.Id)
{
return(NotFound());
}
if (ModelState.IsValid)
{
DeviceModel dm = _mapper.Map <DeviceModel>(vm);
string fileName = null;
if (vm.Image != null)
{
string uploadFolderPath = Path.Combine(_hostingEnvironment.WebRootPath, "img\\devicemodel");
fileName = Guid.NewGuid().ToString() + "_" + vm.Image.FileName;
string completeFilePath = Path.Combine(uploadFolderPath, fileName);
vm.Image.CopyTo(new FileStream(completeFilePath, FileMode.Create));
// add final property to new DeviceModel
dm.ImagePath = fileName;
}
// othewise no image is uploaded, existing filename was passed on during mapping (required hidden input in view)
try
{
_context.Update(dm);
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!DeviceModelExists(dm.Id))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction(nameof(Index)));
}
return(View());
}
// GET: DeviceModels/Edit/5
public async Task <IActionResult> Edit(int?id)
{
// check if id itself is null
if (id == null)
{
return(NotFound());
}
// check if the id's related DeviceModel is null
var dm = await _context.DeviceModels.FindAsync(id);
if (dm == null)
{
return(NotFound());
}
// TODO any way to concatonate /img/devicemodel/ here???
DeviceModelEditViewModel vm = _mapper.Map <DeviceModelEditViewModel>(dm);
return(View(vm));
}
