protected double ProcessForEachSpecial(double price, string sku, SpecialInfoModel skuSpecial)
{
var scannedItems = GetScannedItems(sku).Count();
var scannedItemsFullPrice = GetScannedItems(sku).Where(item => item.ScannedPrice.Equals(price)).Count();
if (scannedItems > 0 && (skuSpecial.LimitQuantity == 0 || scannedItems <= skuSpecial.LimitQuantity))
{
if (skuSpecial.IsPercentOff)
{
if (scannedItemsFullPrice % skuSpecial.TriggerQuantity == 0 &&
(scannedItemsFullPrice / skuSpecial.TriggerQuantity) != (scannedItems - scannedItemsFullPrice))
{
var discount = price * skuSpecial.PercentAmount;
return(price - discount);
}
}
else
{
if (scannedItems % skuSpecial.TriggerQuantity == 0)
{
var fullPricePaid = skuSpecial.TriggerQuantity * price;
return(skuSpecial.Amount - fullPricePaid);
}
}
}
return(price);
}
public SpecialInfoModel GetSpecial(string sku)
{
var returnInfo = new SpecialInfoModel();
if (ValidateSkuRequest(sku))
{
returnInfo = SpecialList.Where(special => special.Sku.Equals(sku)).FirstOrDefault();
}
return(returnInfo);
}
protected double ProcessEqualOrLesserSpecial(double currentValue, double qty, string sku, SpecialInfoModel special)
{
var lastScanned = GetScannedItems(sku).LastOrDefault();
if (lastScanned is null)
{
return(currentValue);
}
if (qty < special.TriggerQuantity && lastScanned.ScannedQuantity < special.TriggerQuantity)
{
return(currentValue);
}
if (special.IsPercentOff)
{
if (currentValue <= lastScanned.ScannedPrice)
{
return(currentValue - (currentValue * special.PercentAmount));
}
else if (currentValue > lastScanned.ScannedPrice)
{
return(currentValue - (lastScanned.ScannedPrice * special.PercentAmount));
}
}
return(currentValue - special.Amount);
}
