public IActionResult Pay(int orderId)
{
FoodOrder foodOrder = dbFoodOrder.GetWholeEntity(orderId);
if (foodOrder.TotalCost > foodOrder.Customer.Balance)
{
return(new ObjectResult("You can not pay, your balance is less that total cost!"));
}
int newBalance = MainLogic.RefreshBalance((int)foodOrder.Customer.Balance, -foodOrder.TotalCost);
Customer customer = foodOrder.Customer;
customer.Balance = newBalance;
dbCustomer.Update(customer);
dbCustomer.Save();
//dbFoodOrder.Delete(orderId);
dbFoodOrder.Save();
return(new ObjectResult("Succesful pay!"));
}