/// <summary>
/// 更新顯示面板
/// </summary>
/// <param name="e"></param>
/// <returns></returns>
public string UpdateSellDetail(EventArgs e)
{
SellInformationEventArgs args = e as SellInformationEventArgs;
return(String.Format("一張{0} 原價{1} 特價{2} 共{3}張 小計：{4} {5}" + System.Environment.NewLine,
args.TicketName, args.TicketPrice.ToString(), args.TicketOffPrice.ToString(), args.TicketNumber.ToString(), args.TicketOffPrice * args.TicketNumber
, args.BenefitCount > 0 ? "本次紅利積點 " + args.BenefitCount.ToString() : ""));
}
/// <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("");
}