public override double CalcDiscount(PurchaseBasket basket)
{
if (PreCondition.preCondNumber == CommonStr.DiscountPreConditions.BasketProductPriceAboveEqX)
{
double reduction = 0;
foreach (int pid in basket.Products.Keys)
{
if (PreCondition.IsFulfilledProductPriceAboveEqXDiscount(basket, pid, MinProductPrice))
{
int amount = basket.products[pid];
reduction += (Discount / 100) * basket.Store.GetProductDetails(pid).Item1.Price *amount;
}
}
return(reduction);
}
else if (PreCondition.PreConditionNumber == CommonStr.DiscountPreConditions.NoDiscount)
{
return(0);
}
else if (PreCondition.PreConditionNumber == CommonStr.DiscountPreConditions.BasketPriceAboveX)
{
if (PreCondition.IsFulfilledMinBasketPriceDiscount(basket, MinBasketPrice))
{
return((Discount / 100) * basket.GetBasketOrigPrice());
}
else
{
return(0);
}
}
else if (PreCondition.preCondNumber == CommonStr.DiscountPreConditions.NumUnitsInBasketAboveEqX)
{
if (PreCondition.IsFulfilledMinUnitsAtBasketDiscount(basket, MinUnitsAtBasket))
{
return((Discount / 100) * basket.GetBasketOrigPrice());
}
else
{
return(0);
}
}
else
{
return(0);
}
}
public bool IsFulfilledMinBasketPriceDiscount(PurchaseBasket basket, double minPrice)
{
return(basket.GetBasketOrigPrice() >= minPrice);
}
