// GET: Admin/Pictures/Edit/5
public async Task <IActionResult> Edit(int?id)
{
if (id == null)
{
return(NotFound());
}
var picture = await _bll.Pictures.FindAsync(id);
if (picture == null)
{
return(NotFound());
}
var vm = new PictureEditViewModel
{
Picture = picture,
OldFileName = Path.GetFileName(picture.Path),
OldPicturePath = Path.Combine(_appEnvironment.ContentRootPath, "wwwroot", Path.Combine(picture.Path.Split("/")))
};
return(View(vm));
}
public async Task <IActionResult> Edit(int id, PictureEditViewModel vm, IFormFile file)
{
if (id != vm.Picture.Id)
{
return(NotFound());
}
if (!vm.PictureFromUrl && file != null && file.Length > 0)
{
if (file.Length > 4194304)
{
ModelState.AddModelError(string.Empty, Resources.Domain.PictureView.Picture.FileTooBigError);
}
var fileExtension = Path.GetExtension(file.FileName);
if (!_imageExtensions.Contains(fileExtension.ToUpper()))
{
ModelState.AddModelError(string.Empty, Resources.Domain.PictureView.Picture.FileFormatError + string.Join(',', _imageExtensions) + ".");
}
if (ModelState.ErrorCount > 0)
{
return(View(vm));
}
if (vm.OldFileName != file.FileName)
{
// Delete old image
if (System.IO.File.Exists(vm.OldPicturePath))
{
System.IO.File.Delete(vm.OldPicturePath);
}
}
// Create new picture path
var newImagePath = Path.Combine(_appEnvironment.ContentRootPath, "wwwroot", "Images", BackgroundDirectory, file.FileName);
vm.Picture.Path = newImagePath.Substring(newImagePath.IndexOf("Images", StringComparison.Ordinal) - 1).Replace("\\", "/");
try
{
// Copy picture to path
await using var fileStream = new FileStream(newImagePath, FileMode.Create);
await file.CopyToAsync(fileStream);
}
catch (Exception e)
{
throw new Exception(e.Message);
}
}
vm.Picture.ChangedAt = DateTime.Now;
vm.Picture.ChangedBy = _userManager.GetUserId(User);
ModelState.Clear();
TryValidateModel(vm.Picture);
if (ModelState.IsValid)
{
try
{
_bll.Pictures.Update(vm.Picture);
await _bll.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!PictureExists(vm.Picture.Id))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction("Index", "ScreenSettings"));
}
return(View(vm));
}