/// <summary>
/// Retrieve the final basket result
/// Including all products with infos/ compared prices infos/ offers.discounts if available
/// </summary>
/// <param name="basket"></param>
/// <returns></returns>
public static BasketResult GetBasketResult(Basket basket)
{
var basketResult = new BasketResult();
basket = ResetCurrentBasketFinalPrices(basket);
basket.Products.ForEach(x => x.FinalPrice = 0.0);
var products = basket.Products;
var numberOfBreadsToCutPrice = 0;
//Manage prices and offers on butter
basketResult = ManageButter(products, basketResult, out numberOfBreadsToCutPrice);
//Manage prices and offers on bread
basketResult = ManageBread(products, basketResult, numberOfBreadsToCutPrice);
//Manage prices and offers on milk
basketResult = ManageMilk(products, basketResult);
//Prices Result
basketResult.FinalPrice = Math.Round(basketResult.Products.Sum(x => x.FinalPrice),2);
basketResult.OriginalPrice = Math.Round(basketResult.Products.Sum(x => x.UnitPrice), 2);
basketResult.SavedAmount = Math.Round((basketResult.OriginalPrice - basketResult.FinalPrice), 2);
return basketResult;
}
/// <summary>
/// Retrieve the basket result filled with Bread product items updated infos
/// about discounts and/or offers
/// </summary>
/// <param name="products">Current products(typeOf(bread)) to check prices/discounts to update the basketResult obj</param>
/// <param name="basketResult">The current updated basketResult obj</param>
/// <param name="numberOfBreadsToCutPrice"></param>
/// <returns></returns>
private static BasketResult ManageBread(List<Product> products, BasketResult basketResult, int numberOfBreadsToCutPrice)
{
var breads = products.Where(x => x.GetType() == typeof(Bread)).ToList();
var totalBreads = breads.Count;
var breadsInitialPrice = breads.Sum(x => x.UnitPrice);
if (numberOfBreadsToCutPrice > 0)
{
for (int i = 0; i < numberOfBreadsToCutPrice; i++)
{
if (totalBreads >= numberOfBreadsToCutPrice)
{
breads[i].FinalPrice = breads[i].UnitPrice * (100 - 50) / 100;
}
}
}
breads.Where(x => x.FinalPrice == 0).ToList().ForEach(x => x.FinalPrice = x.UnitPrice);
basketResult.Products.AddRange(breads);
return basketResult;
}
/// <summary>
/// Retrieve the basket result filled with Butter product items updated infos
/// about discounts and/or offers
/// </summary>
/// <param name="products">Current products(typeOf(butter)) to check prices/discounts to update the basketResult obj</param>
/// <param name="basketResult">The current updated basketResult obj</param>
/// <param name="numberOfBreadsToCutPrice">Number of products typeOf(Bread) bread to discount</param>
/// <returns></returns>
private static BasketResult ManageButter(List<Product> products, BasketResult basketResult, out int numberOfBreadsToCutPrice)
{
var butters = products.Where(x => x.GetType() == typeof(Butter)).ToList();
var totalButters = butters.Count;
var buttersFinalPrice = butters.Sum(x => x.UnitPrice);
if (totalButters >= OfferManager.MinimumForButtesOffer)
{
var offerOnButter = new OfferOnButter
{
TotalItems = totalButters
};
numberOfBreadsToCutPrice = totalButters / OfferManager.MinimumForButtesOffer;
basketResult.Offers.Add(offerOnButter);
}
else
numberOfBreadsToCutPrice = 0;
butters.ForEach(x => x.FinalPrice = x.UnitPrice);
basketResult.Products.AddRange(butters);
return basketResult;
}
/// <summary>
/// Retrieve the basket result filled with Milk product items updated infos
/// about discounts and/or offers
/// </summary>
/// <param name="products">Current products(typeOf(milk)) to check prices/discounts to update the basketResult obj</param>
/// <param name="basketResult">The current updated basketResult obj</param>
/// <returns></returns>
private static BasketResult ManageMilk(List<Product> products, BasketResult basketResult)
{
var milks = products.Where(x => x.GetType() == typeof(Milk)).ToList();
var totalMilks = milks.Count;
milks.Where(x => x.FinalPrice == 0).ToList().ForEach(x => x.FinalPrice = x.UnitPrice);
if (totalMilks >= OfferManager.MinimumForMilksOffer)
{
var numberOfMilkForFree = totalMilks / OfferManager.MinimumForMilksOffer;
milks.Take(numberOfMilkForFree).ToList().ForEach(x => x.FinalPrice = 0.0);
}
if (totalMilks >= OfferManager.MinimumForMilksOffer)
basketResult.Offers.Add(new OfferOnMilk());
basketResult.Products.AddRange(milks);
return basketResult;
}