private int GetCostForItems(StockKeepingUnit stockControlUnit, int numberOfUnits)
{
if (stockControlUnit.HasMultibuyOffer && numberOfUnits > 1)
{
int cost = numberOfUnits / stockControlUnit.MultibuyUnitsRequired * stockControlUnit.MultibuyPrice;
cost += numberOfUnits % stockControlUnit.MultibuyUnitsRequired * stockControlUnit.UnitPrice;
return cost;
}
return stockControlUnit.UnitPrice * numberOfUnits;
}
public void Scan(string sku)
{
StockKeepingUnit stockControlUnit = stockControl.GetStockControlUnit(sku);
if (basket.ContainsKey(stockControlUnit))
{
basket[stockControlUnit]++;
}
else
{
basket.Add(stockControlUnit, 1);
}
}