public ActionResult Create(ProductModel model, HttpPostedFileBase FileImage)
        {
            if (!model.isValid(FileImage))
            {
                ModelState.AddModelError("urlImage", model.RequiredImageMessage);
            }
            if (ModelState.IsValid)
            {
                this.helperService.SaveFile(FileImage, model.urlFolderImage);
                model.urlImage = FileImage.FileName;
                this.publishingService.CreateDraft(model.CreateDraftReviewFromModel(this.productCategoryService.GetByID(model.CategoryId),
                    this.supplierService.GetByID(model.supplierId), null),null);

                return RedirectToAction("Index");
            }
            SetarViewBags();
            return View();
        }
        public ActionResult Edit(ProductModel model, HttpPostedFileBase ImageFile)
        {
            if (ModelState.IsValid)
            {
                ProductCategory category = this.productCategoryService.GetByID(model.CategoryId);
                Supplier supplier = this.supplierService.GetByID(model.supplierId);
                var produto = this.publishingService.GetByID(model.ID);
                if (!model.IsDraft)
                {
                    if (ImageFile == null && produto != null)
                        model.urlImage = produto.urlImage;
                    else
                        model.urlImage = ImageFile.FileName;

                    DraftProduct d = model.CreateDraftReviewFromModel(category, supplier, produto);
                    this.publishingService.CreateDraft(d, produto);
                }
                else
                {
                    if (ImageFile == null && produto != null)
                        model.urlImage = produto.urlImage;
                    else
                        model.urlImage = ImageFile.FileName;

                    var draft = this.publishingService.GetDraftById(model.ID);
                    this.publishingService.UpdateDraft(model.PopularDraftReviewFromModel(draft, category, supplier, draft.OriginalProduct)); ;
                }
            }
            SetarViewBags();
            return RedirectToAction("Index");
        }