public IActionResult OnPostBuy(double?ServicePrice, double?ProductPrice)
{
if (ModelState.IsValid)
{
var customer = customerData.GetCustomerById(Visit.CustomerId.Value);
Visit.Customer = customer;
if (ProductPrice.HasValue && ProductPrice.Value > 0)
{
Visit.BuyProduct(ProductPrice.Value);
ProductPrice = 0;
}
if (ServicePrice.HasValue && ServicePrice.Value > 0)
{
Visit.BuyService(ServicePrice.Value);
ServicePrice = 0;
}
}
Message = Visit.CustomerId == null ? "No customer selected." : $"Total expences: {Visit.TotalExpences()}";
var customers = customerData.GetCustomers().ToList().Select(p => new { Id = p.Id, Display = $"{p.FirstName} {p.LastName}" });
Customers = new SelectList(customers, "Id", "Display");
return(Page());
}