/// <summary>
/// Calculates the Price.
/// </summary>
/// <param name="item">The item to calculate the price for.</param>
/// <param name="itemQty">The item quantity.</param>
/// <returns>The calculated price.</returns>
public decimal Calculate(Item item, int itemQty)
{
decimal totalPrice = 0;
int tempQty = itemQty;
int specialOfferQty = _kataItemsDatabaseAccess.GetItemSpecialOfferQty(item.Sku);
while (tempQty > 0)
{
if (tempQty >= specialOfferQty)
{
totalPrice += _kataItemsDatabaseAccess.GetSpecialOfferPrice(item.Sku);
tempQty -= specialOfferQty;
}
else
{
decimal unitPrice = _kataItemsDatabaseAccess.GetUnitPrice(item.Sku);
unitPrice *= tempQty;
totalPrice += unitPrice;
tempQty = 0;
}
}
return(totalPrice);
}
