public ProductViewModel EditProduct(int id, EditProductViewModel model)
{
var product = context.Products.Find(id);
Mapper.Map(model, product);
#region Category
if (model.CategoryIds != null)
{
foreach (int categoryId in model.CategoryIds)
{
Category category = context.Categories.Find(categoryId);
if (category == null)
continue;
if (product.Categories.Any(c => c.Id == categoryId))
continue;
product.Categories.Add(category);
}
foreach (Category category in product.Categories)
{
if (model.CategoryIds.All(i => i != category.Id))
{
product.Categories.Remove(category);
}
}
}
#endregion
#region Images
if (model.Files != null)
{
var httpPostedFileBases = model.Files;
AddImages(httpPostedFileBases, product);
}
var images = (from image in model.Images
from productImage in product.ProductImages
where productImage.Id == image.Id && image.Delete
select productImage).ToList();
foreach (var productImage in images)
{
try
{
product.ProductImages.Remove(productImage);
File.Delete(productImage.Path);
}
catch (DirectoryNotFoundException e)
{
}
}
product.ProductImages.Single(image => image.Id == model.SelectedDefaultImage).Primary = true;
#endregion
context.SaveChanges();
return Mapper.Map<ProductViewModel>(product);
}
public ActionResult Edit(int id, EditProductViewModel model)
{
if (ModelState.IsValid)
{
try
{
var product = productService.EditProduct(id, model);
Success(string.Format("Product '{0}' was successfully updated.", product.Name));
return RedirectToAction("Index");
}
catch (Exception e)
{
Error(e.Message);
return View(model);
}
}
return View(model);
}