public Money CalculatePriceReduction(IBasketLine basketLine) {
/*
* Buy N, get one free
* i.e. Buy 4, pay for 3
*/
try {
int quantity = basketLine.Quantity / (PromotionBase.AuxData + 1);
//See how many multiples we have
if (quantity * (PromotionBase.AuxData + 1) > basketLine.Quantity) {
quantity--;
}
if (quantity > 0) {
Money discount = new Money(basketLine.LinePrice);
discount.RoundingMode = RoundingMode.AlwaysRoundUp;
discount.Divide(basketLine.Quantity);
discount.Multiply(quantity);
return discount;
} else {
return new Money(0);
}
} catch (Exception e) {
LogManager.GetLogger(GetType()).Error(e);
return new Money(0);
}
}
public void Process(IBasket basket) {
IBasketLine[] lineArray = new IBasketLine[basket.BasketItemList.Count];
basket.BasketItemList.CopyTo(lineArray, 0);
Hashtable original = new Hashtable();
foreach (IBasketLine line in lineArray) {
if (original.ContainsKey(line.ItemCode)) {
IBasketLine orgLine = original[line.ItemCode] as IBasketLine;
if (orgLine != null) {
orgLine.Quantity += line.Quantity;
basket.RemoveItem(line);
}
} else {
original.Add(line.ItemCode, line);
}
}
}
public Money CalculatePriceReduction(IBasketLine basketLine) {
return GenericPromotion.CalculateDefaultPriceReduction(basketLine.LinePrice, basketLine.Quantity, PromotionBase);
}
protected string RenderItemTotal(IBasketLine line) {
return HtmlFormatUtils.FormatMoney(line.LinePrice);
}
protected string RenderImageUrl(IBasketLine line) {
return GetProductImageUrl(line.ItemCode);
}
public virtual void RemoveItem(IBasketLine item) {
BasketItem bi = item as BasketItem;
if (bi != null) {
BasketItemList.Remove(bi);
} else if (item != null) {
RemoveItem(item.BasketItemID);
}
}
public static string FormatUnitLinePrice(IBasketLine line, IBasketRules rules, ITextTranslator translator) {
return FormatMoney(line.UnitLinePrice, rules, translator);
}
public static string FormatUnitLinePrice(IBasketLine line) {
return FormatMoney(line.UnitLinePrice);
}
public void RemoveItem(IBasketLine item) {
_basket.RemoveItem(item);
}
public void Save(IBasketLine basketLine) {
_commonDao.SaveOrUpdateObject(basketLine as BasketItem);
}
