public ActionResult Edit(RestaurantViewModel viewModel)
{
if (viewModel == null)
{
// this should not be possible, but just in case, validate
TempData["ErrorMessage"] = "Ups, a serious error occured: No Viewmodel.";
return(RedirectToAction("Index"));
}
// get the item from the database by ID
UnitOfWork unitOfWork = new UnitOfWork();
Restaurant dbRestaurant = unitOfWork.RestaurantRepository.GetByID(viewModel.ID);
// if there is no object in the DB, this is a new item -> will create a new one
if (dbRestaurant == null)
{
dbRestaurant = new Restaurant();
dbRestaurant.DateCreated = DateTime.Now;
}
// update the DB object from the viewModel
viewModel.UpdateDbModel(dbRestaurant);
// save the image to the local folder if there is an uploaded image
// we have to generate a unique file name, to avoid duplication when the same image is uploaded for another restaurant
if (Request.Files.Count > 0)
{
HttpPostedFileBase file = Request.Files[0];
// check if the uploaded file is a valid file and only then proceed
if (file.ContentLength > 0 && string.IsNullOrEmpty(file.FileName) == false)
{
string imagesPath = Server.MapPath(Constants.ImagesDirectory);
string uniqueFileName = string.Format("{0}_{1}", DateTime.Now.Ticks, file.FileName);
string savedFileName = Path.Combine(imagesPath, Path.GetFileName(uniqueFileName));
file.SaveAs(savedFileName);
dbRestaurant.ImageName = uniqueFileName;
}
}
unitOfWork.RestaurantRepository.Save(dbRestaurant);
unitOfWork.Save();
TempData["Message"] = "The restaurant was saved successfully";
return(RedirectToAction("Index"));
}