private static void CalculateDiscountForNewCustomer()
{
var customer = new Customer();
decimal discount = _discountCalculator.CalculateDiscountPercentage(customer);
Console.WriteLine("New customer discount: ${0}", discount);
}
public decimal CalculateDiscountPercentage(Customer customer)
{
decimal discount = 0;
foreach (var rule in _rules)
{
discount = Math.Max(rule.CalculateCustomerDiscount(customer), discount);
}
return discount;
}
private static void CalculateDiscountForSenior()
{
var customer = new Customer {
DateOfBirth = DateTime.Today.AddYears(-65).AddDays(-5),
DateOfFirstPurchase = DateTime.Today.AddDays(-1)
};
decimal discount = _discountCalculator.CalculateDiscountPercentage(customer);
Console.WriteLine("Senior customer discount: ${0}", discount);
}
private static void CalculateDiscountFor5YearLoyalCustomerOnBirthday()
{
var customer = new Customer
{
DateOfBirth = DateTime.Today,
DateOfFirstPurchase = DateTime.Today.AddYears(-5)
};
decimal discount = _discountCalculator.CalculateDiscountPercentage(customer);
Console.WriteLine("5 year customer on birthday discount: ${0}", discount);
}
private static void CalculateDiscountForVeteran()
{
var customer = new Customer
{
IsVeteran = true,
DateOfFirstPurchase = DateTime.Today.AddDays(-1)
};
decimal discount = _discountCalculator.CalculateDiscountPercentage(customer);
Console.WriteLine("Veteran customer discount: ${0}", discount);
}