private void PopulatePromotionalTable()
{
_promotionalDiscounts = new List <PromotionalDiscountTable>();
PromotionalDiscountTable discount1 = new PromotionalDiscountTable();
discount1.PromotionalCode = "PROMO25";
discount1.DiscountAmount = Convert.ToDecimal("25.00");
_promotionalDiscounts.Add(discount1);
PromotionalDiscountTable discount2 = new PromotionalDiscountTable();
discount2.PromotionalCode = "PROMO50";
discount2.DiscountAmount = Convert.ToDecimal("50.00");
_promotionalDiscounts.Add(discount2);
PromotionalDiscountTable discount3 = new PromotionalDiscountTable();
discount3.PromotionalCode = "PROMO75";
discount3.DiscountAmount = Convert.ToDecimal("75.00");
_promotionalDiscounts.Add(discount3);
}
/// <summary>
/// Calculate
/// </summary>
/// <param name="promotionalCode"></param>
/// <param name="orderValue"></param>
/// <returns></returns>
public decimal Calculate(string promotionalCode, decimal orderValue)
{
PromotionalDiscountTable promotion = _dataAccessService.GetPromotionalDiscount(promotionalCode);
if (promotion.DiscountAmount > orderValue)
{
return(orderValue);
}
decimal orderTotal = orderValue - promotion.DiscountAmount;
return(orderTotal);
}