public ActionResult BuyThisLaptop(int id, int CustomerId, int Quantity)
{
Customer customer = db.Customers.Find(CustomerId);
Laptop laptop = db.Laptops.Find(id);
if (customer == null)
{
return(HttpNotFound());
}
var customerlaptop = customer.CustomerLaptops.SingleOrDefault(cl => cl.LaptopId == id);
if (customerlaptop == null)
{
customerlaptop = new CustomerLaptop();
customerlaptop.LaptopId = id;
customerlaptop.CustomerId = CustomerId;
customerlaptop.Quantity = Quantity;
}
else
{
customerlaptop.Quantity += Quantity;
}
customerlaptop.Cost = customerlaptop.Quantity * laptop.DollarValue;
if (customer.Wallet < customerlaptop.Cost)
{
ViewBag.Message = "The customer does not have enough money";
ViewBag.CustomerId = new SelectList(db.Customers, "Id", "Email");
return(View(laptop));
}
else if (customerlaptop.Quantity > laptop.QuantityAvailable)
{
ViewBag.Message = "The laptop does not have enough stock";
ViewBag.CustomerId = new SelectList(db.Customers, "Id", "Email");
return(View(laptop));
}
else
{
customer.Wallet -= customerlaptop.Cost;
laptop.QuantityAvailable -= customerlaptop.Quantity;
db.CustomerLaptops.Add(customerlaptop);
db.SaveChanges();
return(RedirectToAction("PurchaseResult", customerlaptop));
}
}
public ActionResult PurchaseResult(CustomerLaptop customerlaptop)
{
return(View(db.CustomerLaptops.Find(customerlaptop.Id)));
}
