public override double calculate_savings(Dictionary <string, CheckOutItem> availableItems)
{
//No savings if item is not in store
if (!availableItems.ContainsKey(strItemName))
{
return(0.0);
}
double savings = 0.0;
CheckOutItem item = availableItems[strItemName];
double dAmountOfItem = get_limited_amount(item.dAmount);
//while having enough of item to satisfy criteria
while (dAmountOfItem >= dCriteria_Amount)
{
dAmountOfItem -= dCriteria_Amount;
//if can take full advantage of discount
if (dAmountOfItem >= dDiscount_item_amount)
{
dAmountOfItem -= dDiscount_item_amount;
savings += (dDiscount_item_amount * item.dCost * dDiscount_amount);
}
//if only taking partial advantage of discount
else
{
savings += (dAmountOfItem * item.dCost * dDiscount_amount);
dAmountOfItem -= dAmountOfItem;
}
}
return(savings);
}
public override double calculate_savings(Dictionary <string, CheckOutItem> availableItems)
{
double savings = 0.0;
CheckOutItem itemN = availableItems[strItemName_N];
CheckOutItem itemM = availableItems[strItemName_M];
double nItemNTotalValue = itemN.dCost * nBuyAmount_N;
dLimit = nItemNTotalValue / itemM.dCost;
double amountOfItem = get_limited_amount(itemM.dAmount);
savings += (amountOfItem * itemM.dCost * nDiscount_X);
return(savings);
}
public void ScanItem(string strItemName, double dAmount = 1)
{
if (CartItems.ContainsKey(strItemName))
{
//Increment number of items
CartItems[strItemName].dAmount += dAmount;
}
else
{
if (AvailableItems.ContainsKey(strItemName))
{
//Add first item to cart
CheckOutItem checkOutItem = new CheckOutItem(strItemName, dAmount, AvailableItems[strItemName]);
CartItems.Add(strItemName, checkOutItem);
}
else
{
throw new System.ArgumentException("Invalid Scan - Item not in system", strItemName);
}
}
}
public override double calculate_savings(Dictionary <string, CheckOutItem> availableItems)
{
//No savings if item is not in store
if (!availableItems.ContainsKey(strItemName))
{
return(0.0);
}
double savings = 0.0;
CheckOutItem item = availableItems[strItemName];
double dAmountOfItem = get_limited_amount(item.dAmount);
while (dAmountOfItem >= nBuyAmount)
{
dAmountOfItem -= nBuyAmount;
savings += ((nBuyAmount * item.dCost) - dSpecialCost);
}
return(savings);
}
