public void AddItem(Product product, int quantity)
{
CartLine line = lineCollection
.Where(p => p.Product.ProductID == product.ProductID)
.FirstOrDefault();
if (line == null) {
lineCollection.Add(new CartLine { Product = product,
Quantity = quantity });
} else {
line.Quantity += quantity;
}
}
public ActionResult Edit(Product product)
{
if (ModelState.IsValid)
{
repository.SaveProduct(product);
TempData["message"] = string.Format("{0} has been saved", product.ProductName);
return RedirectToAction("Index");
}
else
{
// there is something wrong with the data values
return View(product);
}
}
public void SaveProduct(Product product)
{
if (product.ProductID == 0)
{
context.Products.Add(product);
}
else
{
Product dbEntry = context.Products.Find(product.ProductID);
if (dbEntry != null)
{
dbEntry.BrandName = product.BrandName;
dbEntry.ProductName = product.ProductName;
dbEntry.ProductType = product.ProductType;
dbEntry.Description = product.Description;
dbEntry.Price = product.Price;
dbEntry.Category = product.Category;
}
}
context.SaveChanges();
}
public void RemoveLine(Product product)
{
lineCollection.RemoveAll(l => l.Product.ProductID == product.ProductID);
}