/// <summary>
/// This will calculate the total bill for the items in the shopping cart
/// </summary>
/// <param name="shoppingCart">list of items added to the shopping cart </param>
/// <param name="offersExist">true, if any offers available for the products</param>
/// <returns>total amount</returns>
private double calculateTotal(List <String> shoppingCart, bool offersExist)
{
int total = 0;
int apples = shoppingCart.GroupBy(x => x).ToDictionary(x => x.Key, x => x.Count()).Where(x => x.Key == APPLE).FirstOrDefault().Value;
if (offersExist)
{
total += offerServiceFactory.offerFor(APPLE).Apply(apples, APPLE_COST);
}
else
{
total += _priceCalculation.Apply(apples, APPLE_COST);
}
int oranges = shoppingCart.GroupBy(x => x).ToDictionary(x => x.Key, x => x.Count()).Where(x => x.Key == ORANGE).FirstOrDefault().Value;
if (offersExist)
{
total += offerServiceFactory.offerFor(ORANGE).Apply(oranges, ORANGE_COST);
}
else
{
total += _priceCalculation.Apply(oranges, ORANGE_COST);
}
return(total);
}
/// <summary>
/// This will calculate the total bill for the items in the shopping cart
/// </summary>
/// <param name="shoppingCart">list of items added to the shopping cart </param>
/// <returns>total amount</returns>
private int calculateTotal(List <String> shoppingCart)
{
int total = 0;
int apples = shoppingCart.GroupBy(x => x).ToDictionary(x => x.Key, x => x.Count()).Where(x => x.Key == "Apple").FirstOrDefault().Value;
total += _priceCalculation.Apply(apples, APPLE_COST);
int oranges = shoppingCart.GroupBy(x => x).ToDictionary(x => x.Key, x => x.Count()).Where(x => x.Key == "Orange").FirstOrDefault().Value;
total += _priceCalculation.Apply(oranges, ORANGE_COST);
return(total);
}