public ActionResult Edit(int id)
{
Livre Livre = _LivreRepository.GetLivre(id);
LivreEditViewModel LivreEditViewModel = new LivreEditViewModel
{
Id = Livre.Id,
Name = Livre.Name,
price = Livre.price,
ExistingPhotoPath = Livre.PhotoPath
};
return(View(LivreEditViewModel));
}
private string ProcessUploadedFile(LivreEditViewModel model)
{
string uniqueFileName = null;
if (model.Photo != null)
{
string uploadsFolder = Path.Combine(hostingEnvironment.WebRootPath, "images");
uniqueFileName = Guid.NewGuid().ToString() + "_" + model.Photo.FileName;
string filePath = Path.Combine(uploadsFolder, uniqueFileName);
using (var fileStream = new FileStream(filePath, FileMode.Create))
{
model.Photo.CopyTo(fileStream);
}
}
return(uniqueFileName);
}
public ActionResult Edit(LivreEditViewModel model)
{
// Check if the provided data is valid, if not rerender the edit view
// so the user can correct and resubmit the edit form
if (ModelState.IsValid)
{
// Retrieve the employee being edited from the database
Livre Livre = _LivreRepository.GetLivre(model.Id);
// Update the employee object with the data in the model object
Livre.Name = model.Name;
Livre.price = model.price;
// If the user wants to change the photo, a new photo will be
// uploaded and the Photo property on the model object receives
// the uploaded photo. If the Photo property is null, user did
// not upload a new photo and keeps his existing photo
if (model.Photo != null)
{
// If a new photo is uploaded, the existing photo must be
// deleted. So check if there is an existing photo and delete
if (model.ExistingPhotoPath != null)
{
string filePath = Path.Combine(hostingEnvironment.WebRootPath,
"images", model.ExistingPhotoPath);
System.IO.File.Delete(filePath);
}
Livre.PhotoPath = ProcessUploadedFile(model);
}
Livre updatedLivre = _LivreRepository.Update(Livre);
if (updatedLivre != null)
{
return(RedirectToAction("index"));
}
else
{
return(NotFound());
}
}
return(View(model));
}
