public async Task<ActionResult> Edit(EditProductViewModel model, IEnumerable<HttpPostedFileBase> uploads, string[] selectedSizes)
{
Product prod = db.Products.Include(i => i.Sizes).Include(p => p.FilePaths).Where(p => p.ProductId == model.Id).Single();
List<FilePath> actualImages = db.FilePaths.Where(p => p.ProductId == model.Id).ToList();
if (ModelState.IsValid)
{
// check files upload
// if exists
// delete old images and add new to product images list,
// save on server
if (uploads != null)
{
foreach (FilePath file in actualImages)
{
string filePath = Request.MapPath("~/Content/Images/" + file.FileName);
System.IO.File.Delete(filePath);
}
db.FilePaths.RemoveRange(actualImages);
//prod.FilePaths = new List<FilePath>();
foreach (HttpPostedFileBase upload in uploads)
{
if (upload != null && upload.ContentLength > 0)
{
FilePath photo = new FilePath
{
FileName = Guid.NewGuid().ToString() + Path.GetExtension(upload.FileName),
FileType = FileType.Photo
};
prod.FilePaths.Add(photo);
upload.SaveAs(Path.Combine(Server.MapPath("~/Content/Images"), photo.FileName));
}
}
}
//update sizes
UpdateProductSizes(selectedSizes, prod);
// calculate product price
if (prod.Discount > 0)
{
prod.Price = model.NormalPrice - model.NormalPrice * ((decimal)model.Discount / 100);
}
else
{
prod.Price = model.NormalPrice;
}
//attach model properties as product properties
prod.ProductId = model.Id;
prod.ProductName = model.ProductName;
prod.Desc = model.Desc;
prod.Material = model.Material;
prod.NormalPrice = model.NormalPrice;
prod.Discount = model.Discount;
prod.CategoryId = model.CategoryId;
prod.ColorId = model.ColorId;
prod.EditDate = DateTime.Now;
//save changes
db.Entry(prod).State = EntityState.Modified;
await db.SaveChangesAsync();
// set confirmation message to Index() View
TempData["message"] = string.Format("{0} has been edited", prod.ProductName);
return RedirectToAction("Index");
}
// return form if invalid
return View(model);
}
public ActionResult Edit(int? id)
{
if (id == null)
{ return new HttpStatusCodeResult(HttpStatusCode.BadRequest); }
Product product = db.Products.Include(p => p.Sizes).Include(p => p.FilePaths).Where(i => i.ProductId == id).Single();
// set selected checkbox for each product size
PopulateAssignedSizeData(product);
if (product == null)
{
return HttpNotFound();
}
// set default view model values
EditProductViewModel model = new EditProductViewModel()
{
Id = product.ProductId,
ProductName = product.ProductName,
Desc = product.Desc,
Material = product.Material,
NormalPrice = product.NormalPrice,
Discount = product.Discount,
Price = product.Price,
CategoryId = product.CategoryId,
ColorId = product.ColorId,
FilePaths = product.FilePaths.ToList(),
getCategories = new SelectList(Retriever.GetCategories(), "CategoryId", "CategoryName", product.Category.CategoryName),
getColors = new SelectList(Retriever.GetColors(), "ColorId", "ColorName", product.Color.ColorName)
};
return View(model);
}