public static bool RegisterCustomer(Customer c)
{
if (c.Username != null && c.Username != String.Empty)
{
return(StoreLogicRepository.GetCustomer(c.Username) == null && StoreLogicRepository.AddCustomer(c));
}
return(false);
}
public static double GetBalance(string username)
{
try
{
var c = StoreLogicRepository.GetCustomer(username);
return(c.Balance);
}
catch (NullReferenceException)
{
return(-1);
}
}
public static IEnumerable <CustomerProduct> GetAllOrders(string username)
{
try
{
var c = StoreLogicRepository.GetCustomer(username);
return(c.Orders);
}
catch (NullReferenceException)
{
return(null);
}
}
public static bool BuyProduct(string username, string productNaam, int quantity)
{
try
{
var p = StoreLogicRepository.GetProduct(productNaam);
var c = StoreLogicRepository.GetCustomer(username);
if (!(p.CheckStock(quantity) && c.CheckBalance(p.Price * quantity)))
{
return(false);
}
p.LowerStock(quantity);
c.AddOrder(new CustomerProduct(p.Name, quantity, p.Price));
return(true);
}
catch (NullReferenceException)
{
return(false);
}
}
public static IEnumerable <StoreProduct> GetProducts()
{
return(StoreLogicRepository.GetProducts().Where(p => p.Stock > 0));
}
