/// <summary>
/// 執行計算折扣 然後傳回顯示此次購買明細
/// </summary>
/// <param name="e"></param>
public string OnAddListExchanged(EventArgs e)
{
if (e != null)
{
//銷售資訊
SellInformationEventArgs sellInfo = e as SellInformationEventArgs;
//要丟去計算的錢
MoneyEventArgs moneyEventArgs = new MoneyEventArgs() { TicketPrice = sellInfo.TicketPrice };
//看有幾種折價方法 ex 學生八折 勾選花旗卡 又五折 分別計算
foreach (string discount in sellInfo.TicketOff)
{
if (!string.IsNullOrWhiteSpace(discount))
{
Type type = Assembly.Load("StrategyPatternHW_Discount").GetType(discount);
//依折數計算後結果 更新錢參數
moneyEventArgs = (Activator.CreateInstance(type) as IDiscount).Calculate(moneyEventArgs);
}
}
//更新銷售資訊的折扣後價格
sellInfo.TicketOffPrice = moneyEventArgs.TicketPrice;
//把總價丟去計算紅利
moneyEventArgs = new MoneyEventArgs() { TicketPrice = sellInfo.TicketOffPrice * sellInfo.TicketNumber };
if (sellInfo.IsVIP)
{
sellInfo.BenefitCount = benefit.BenefitCount(moneyEventArgs);
}
//銷售資訊組成顯示字串
return UpdateSellDetail(sellInfo);
}
return "";
}
public MoneyEventArgs Calculate(MoneyEventArgs price)
{
price.TicketPrice = Convert.ToInt32(Math.Floor(price.TicketPrice * 0.5));
return price;
}
public MoneyEventArgs Calculate(MoneyEventArgs price)
{
price.TicketPrice = Convert.ToInt32(Math.Floor(price.TicketPrice * 0.8));
return(price);
}
//100元換一點
public int BenefitCount(MoneyEventArgs price)
{
return(price.TicketPrice / 100);
}
//100元換一點
public int BenefitCount(MoneyEventArgs price)
{
return price.TicketPrice / 100;
}