public IList <IPriceValue> GetDiscountPriceList(IEnumerable <CatalogKey> catalogKeys, MarketId marketId, Currency currency)
{
var market = _marketService.GetMarket(marketId);
if (market == null)
{
throw new ArgumentException(string.Format("market '{0}' does not exist", marketId));
}
var prices = catalogKeys.Select(x => PriceCalculationService.GetSalePrice(x.CatalogEntryCode, marketId, currency)).Where(x => x != null);
return(GetDiscountPrices(prices.ToList(), market, currency));
}
private IEnumerable <DiscountedEntry> GetDiscountPrices(
IEnumerable <ContentReference> entryLinks,
IMarket market,
Currency marketCurrency,
ReferenceConverter referenceConverter)
{
if (entryLinks is null || market is null || marketCurrency.IsEmpty)
{
throw new ArgumentNullException(nameof(marketCurrency));
}
List <DiscountedEntry> source = new List <DiscountedEntry>();
HashSet <string> entryCodes = new HashSet <string>(entryLinks.Select(new Func <ContentReference, string>(referenceConverter.GetCode)));
Dictionary <string, decimal> dictionary = new Dictionary <string, decimal>();
foreach (RewardDescription rewardDescription in _promotionEngine.Evaluate(entryLinks, market, marketCurrency, RequestFulfillmentStatus.Fulfilled))
{
HashSet <string> usedCodes = new HashSet <string>();
foreach (ILineItem lineItem in rewardDescription.Redemptions.Where(x => x.AffectedEntries != null).SelectMany(x => x.AffectedEntries.PriceEntries).Where(x => x != null).Select(x => x.ParentItem).Where(x => !usedCodes.Contains(x.Code)).Where(x => entryCodes.Contains(x.Code)))
{
usedCodes.Add(lineItem.Code);
ContentReference entryLink = referenceConverter.GetContentLink(lineItem.Code);
DiscountedEntry discountedEntry = source.SingleOrDefault(x => x.EntryLink == entryLink);
if (discountedEntry == null)
{
discountedEntry = new DiscountedEntry(entryLink, new List <DiscountPrice>());
source.Add(discountedEntry);
}
if (dictionary.ContainsKey(lineItem.Code))
{
dictionary[lineItem.Code] -= rewardDescription.SavedAmount;
}
else
{
// lineItemCalculator.GetExtendedPrice(lineItem, marketCurrency).Amount;
decimal amount = PriceCalculationService.GetSalePrice(lineItem.Code, market.MarketId, marketCurrency).UnitPrice.Amount;
dictionary.Add(lineItem.Code, amount - rewardDescription.SavedAmount);
}
DiscountPrice discountPrice = new DiscountPrice((EntryPromotion)rewardDescription.Promotion, new Money(Math.Max(dictionary[lineItem.Code], 0M), marketCurrency), new Money(lineItem.PlacedPrice, marketCurrency));
discountedEntry.DiscountPrices.Add(discountPrice);
}
}
return(source);
}