private static DiscountBase ConvertDiscountAndLineToDiscountBase(PeriodicDiscount discountAndLine)
{
DiscountBase discount = null;
OfferDiscount offer = null;
MixAndMatchDiscount mixAndMatch = null;
MultipleBuyDiscount multipleBuy = null;
ThresholdDiscount threshold = null;
switch (discountAndLine.PeriodicDiscountType)
{
case PeriodicDiscountOfferType.Offer:
offer = new OfferDiscount(discountAndLine.ValidationPeriod);
discount = offer;
break;
case PeriodicDiscountOfferType.MixAndMatch:
mixAndMatch = new MixAndMatchDiscount(discountAndLine.ValidationPeriod);
mixAndMatch.DealPriceValue = discountAndLine.MixAndMatchDealPrice;
mixAndMatch.DiscountAmountValue = discountAndLine.MixAndMatchDiscountAmount;
mixAndMatch.DiscountPercentValue = discountAndLine.MixAndMatchDiscountPercent;
mixAndMatch.NumberOfLeastExpensiveLines = discountAndLine.MixAndMatchNumberOfLeastExpensiveLines;
mixAndMatch.NumberOfTimesApplicable = discountAndLine.MixAndMatchNumberOfTimeApplicable;
mixAndMatch.LeastExpensiveMode = discountAndLine.LeastExpensiveMode;
discount = mixAndMatch;
break;
case PeriodicDiscountOfferType.MultipleBuy:
multipleBuy = new MultipleBuyDiscount(discountAndLine.ValidationPeriod);
discount = multipleBuy;
break;
case PeriodicDiscountOfferType.Threshold:
threshold = new ThresholdDiscount(discountAndLine.ValidationPeriod);
threshold.ShouldCountNonDiscountItems = discountAndLine.ShouldCountNonDiscountItems != 0;
discount = threshold;
break;
}
if (discount != null)
{
discount.IsCategoryToProductOrVariantIdsMapSet = true;
discount.OfferId = discountAndLine.OfferId;
discount.OfferName = discountAndLine.Name;
discount.PeriodicDiscountType = discountAndLine.PeriodicDiscountType;
discount.IsDiscountCodeRequired = discountAndLine.IsDiscountCodeRequired;
discount.ConcurrencyMode = discountAndLine.ConcurrencyMode;
discount.PricingPriorityNumber = discountAndLine.PricingPriorityNumber;
discount.CurrencyCode = discountAndLine.CurrencyCode;
discount.DateValidationPeriodId = discountAndLine.ValidationPeriodId;
discount.DateValidationType = (DateValidationType)discountAndLine.DateValidationType;
discount.DiscountType = GetDiscountMethodType(discount.PeriodicDiscountType, discountAndLine.DiscountType);
discount.ValidFrom = discountAndLine.ValidFromDate;
discount.ValidTo = discountAndLine.ValidToDate;
}
return(discount);
}
/// <summary>
/// Refreshes item compounded quantity lookup after each round of calculating discounts
/// of exclusive or non-exclusive least-expensive-favor-retail discounts, of the same priority number.
/// Prepares remaining quantities for the next round.
/// </summary>
/// <param name="bestDiscountPath">Best discount path of application discount applications so far.</param>
/// <param name="lastPriorityNumber">Priority number of the last round.</param>
/// <param name="remainingQuantities">Remaining quantities for the next round.</param>
/// <param name="remainingQuantitiesForCompound">Remaining quantities for compound for the next round.</param>
internal void RefreshLookupAndPrepareRemainingQuantitiesForLeastExpensiveFavoRetailer(
List <AppliedDiscountApplication> bestDiscountPath,
int lastPriorityNumber,
decimal[] remainingQuantities,
decimal[] remainingQuantitiesForCompound)
{
// Step 1: fill in this.ItemGroupIndexToCompoundedOfferToQuantityLookup from the last round.
// reduce remaining quantitied for non-compounded discounts.
this.ItemGroupIndexToCompoundedOfferToQuantityLookup.Clear();
foreach (AppliedDiscountApplication appliedDiscountApplication in bestDiscountPath)
{
DiscountBase discount = appliedDiscountApplication.DiscountApplication.Discount;
if (discount.CanCompound)
{
// We've already processed the lookups for the previous round. Here we only processed the most recent round.
// Only mix and match least expensive favoring retailer
MixAndMatchDiscount mixAndMatch = discount as MixAndMatchDiscount;
if (discount.PricingPriorityNumber == lastPriorityNumber &&
(mixAndMatch != null && mixAndMatch.DiscountType == DiscountMethodType.LeastExpensive && mixAndMatch.LeastExpensiveMode == LeastExpensiveMode.FavorRetailer))
{
this.FillLookup(appliedDiscountApplication);
}
}
else
{
ReduceQuantitiesFromNonCompounded(appliedDiscountApplication, remainingQuantities, remainingQuantitiesForCompound);
}
}
// Step 2: move the data to settled lookups.
foreach (KeyValuePair <int, Dictionary <string, decimal> > pair in this.ItemGroupIndexToCompoundedOfferToQuantityLookup)
{
int itemGroupIndex = pair.Key;
Dictionary <string, decimal> offerIdToQuantityLookup = pair.Value;
decimal compoundedQuantity = offerIdToQuantityLookup.Max(p => p.Value);
AddToOrUpdateItemGroupIndexToPriorityToSettledCompoundedQuantityLookup(
itemGroupIndex,
lastPriorityNumber,
compoundedQuantity,
this.itemGroupIndexToPriorityToSettledCompoundedQuantityForNonThreshold);
}
this.ReduceQuantitiesFromCompoundedForNonThresholds(
remainingQuantities,
remainingQuantitiesForCompound,
null);
// Clear current lookup.
this.ItemGroupIndexToCompoundedOfferToQuantityLookup.Clear();
}
/// <summary>
/// Refreshes item compounded quantity lookup after each round of calculating discounts
/// of exclusive or non-exclusive non-thresholds discounts, of the same priority number.
/// Prepares remaining quantities for the next round.
/// </summary>
/// <param name="bestDiscountPath">Best discount path of application discount applications so far.</param>
/// <param name="lastPriorityNumber">Priority number of the last round.</param>
/// <param name="remainingQuantities">Remaining quantities for the next round.</param>
/// <param name="remainingQuantitiesForCompound">Remaining quantities for compound for the next round.</param>
/// <param name="reserveCompoundedQuantityForLeastExpensiveFavorRetailer">
/// If it's followed by least expensive favoring retail of the same priority, then reserve the compounded quantity of the same priority.
/// </param>
internal void RefreshLookupAndPrepareRemainingQuantitiesForNonThresholds(
List <AppliedDiscountApplication> bestDiscountPath,
int lastPriorityNumber,
decimal[] remainingQuantities,
decimal[] remainingQuantitiesForCompound,
bool reserveCompoundedQuantityForLeastExpensiveFavorRetailer)
{
// Step 1: fill in this.ItemGroupIndexToCompoundedOfferToQuantityLookup from the last round.
// reduce remaining quantitied for non-compounded discounts.
this.ItemGroupIndexToCompoundedOfferToQuantityLookup.Clear();
foreach (AppliedDiscountApplication appliedDiscountApplication in bestDiscountPath)
{
DiscountBase discount = appliedDiscountApplication.DiscountApplication.Discount;
if (discount.CanCompound)
{
// We've already processed the lookups for the previous round. Here we only processed the most recent round.
// Ignore mix and match least expensive favoring retailer
MixAndMatchDiscount mixAndMatch = discount as MixAndMatchDiscount;
if (discount.PricingPriorityNumber == lastPriorityNumber &&
discount.PeriodicDiscountType != PeriodicDiscountOfferType.Threshold &&
(mixAndMatch == null || mixAndMatch.DiscountType != DiscountMethodType.LeastExpensive || mixAndMatch.LeastExpensiveMode == LeastExpensiveMode.FavorCustomer))
{
this.FillLookup(appliedDiscountApplication);
}
}
else
{
ReduceQuantitiesFromNonCompounded(appliedDiscountApplication, remainingQuantities, remainingQuantitiesForCompound);
}
}
// Step 2: move the data to settled lookups.
this.MoveToSettledCompoundedQuantityLookup(lastPriorityNumber, this.itemGroupIndexToPriorityToSettledCompoundedQuantityForNonThreshold);
int?priorityNumberToSkipForCompounded = null;
if (reserveCompoundedQuantityForLeastExpensiveFavorRetailer)
{
priorityNumberToSkipForCompounded = lastPriorityNumber;
}
this.ReduceQuantitiesFromCompoundedForNonThresholds(
remainingQuantities,
remainingQuantitiesForCompound,
priorityNumberToSkipForCompounded);
// Clear current lookup.
this.ItemGroupIndexToCompoundedOfferToQuantityLookup.Clear();
}
internal bool IsOkayForMixAndMatchLeastExpensiveOneLineGroupPartialOptimizationAndFillupValueLookups(
Dictionary <int, decimal> mixAndMatchRelativeValueLookup,
List <int> itemGroupIndexListSortedByRelativePriceDescending,
List <HashSet <int> > consolidatedListOfItemsWithSamePriceAndRelativeValuesDescending,
Dictionary <int, OfferDiscount> simpleDiscountOfferLookup,
DiscountableItemGroup[] discountableItemGroups,
decimal[] remainingQuantities)
{
// Special optimization for this overlapped group when there is
// only one mix and match
// with only one line group
// with least expensive deal price and %-off
bool isOkay = this.MixAndMatchAndQuantityDiscounts.Count == 1;
consolidatedListOfItemsWithSamePriceAndRelativeValuesDescending.Clear();
MixAndMatchDiscount mixAndMatchDiscount = null;
if (isOkay)
{
mixAndMatchDiscount = this.MixAndMatchAndQuantityDiscounts.First().Value as MixAndMatchDiscount;
isOkay = mixAndMatchDiscount != null;
}
if (isOkay)
{
isOkay = mixAndMatchDiscount.LineGroupToNumberOfItemsMap.Count == 1;
}
if (isOkay)
{
isOkay = mixAndMatchDiscount.DiscountType == DiscountMethodType.LeastExpensive &&
!mixAndMatchDiscount.IsLeastExpensiveAmountOff;
}
if (isOkay)
{
var lineGroupNumberOfItemsPair = mixAndMatchDiscount.LineGroupToNumberOfItemsMap.First();
string lineGroup = lineGroupNumberOfItemsPair.Key;
decimal quantityNeeded = lineGroupNumberOfItemsPair.Value;
HashSet <int> mixAndMatchItemIndexGroupSet = null;
if (mixAndMatchDiscount.LineGroupToItemGroupIndexSetLookup.TryGetValue(lineGroup, out mixAndMatchItemIndexGroupSet))
{
foreach (int itemGroupIndex in mixAndMatchItemIndexGroupSet)
{
if (remainingQuantities[itemGroupIndex] > decimal.Zero)
{
// Move it to mix and match
decimal mixAndMatchValue = decimal.Zero;
decimal price = discountableItemGroups[itemGroupIndex].Price;
decimal totalPriceForDiscount = price * mixAndMatchDiscount.NumberOfLeastExpensiveLines;
if (mixAndMatchDiscount.DiscountPercentValue > decimal.Zero)
{
mixAndMatchValue = DiscountBase.GetDiscountAmountForPercentageOff(totalPriceForDiscount, mixAndMatchDiscount.DiscountPercentValue);
}
else if (mixAndMatchDiscount.DiscountAmountValue == decimal.Zero && mixAndMatchDiscount.DealPriceValue > decimal.Zero)
{
mixAndMatchValue = totalPriceForDiscount - mixAndMatchDiscount.DealPriceValue;
if (mixAndMatchValue < decimal.Zero)
{
isOkay = false;
}
}
if (!isOkay)
{
break;
}
decimal simpleDiscountValue = decimal.Zero;
int discountOfferCount = 0;
// If an item has compounded discounts only, then we have already processed compounded discount offers, so we won't see them here.
// And this won't affect algorithm.
// If we modify optimization before overlapped discounts, then this may not be true.
// See DiscountCalcuator.ReduceOverlappedOfferAndQuantityDiscountsPerItem.
foreach (KeyValuePair <string, DiscountBase> pair in this.OfferDiscounts)
{
OfferDiscount offer = pair.Value as OfferDiscount;
if (offer != null)
{
HashSet <decimal> discountLineNumberSetForItem = null;
if (offer.ItemGroupIndexToDiscountLineNumberSetMap.TryGetValue(itemGroupIndex, out discountLineNumberSetForItem))
{
if (discountLineNumberSetForItem.Count >= 1)
{
decimal discountLineNumber = discountLineNumberSetForItem.First();
RetailDiscountLine discountLineDefinition = offer.DiscountLines[discountLineNumber];
// For now, it works for fully covered items.
// Fully covered, as an example, buy 3 for $10, then if item price is $3, it won't get discount
// or buy 3 for $5 off, then if item price is $1, it won't get full discount.
bool isFullyCovered = false;
simpleDiscountValue = OfferDiscount.GetUnitDiscountAmountAndCheckWhetherItsFullyCovered(discountLineDefinition, price, out isFullyCovered) * quantityNeeded;
if (!isFullyCovered)
{
isOkay = false;
}
if (!isOkay)
{
break;
}
simpleDiscountOfferLookup[itemGroupIndex] = offer;
discountOfferCount++;
}
}
}
}
// For now, we don't handle multiple discount offers.
// With optimization earlier, that's mostly the case. See DiscountCalcuator.ReduceOverlappedOfferAndQuantityDiscountsPerItem.
if (discountOfferCount > 1)
{
isOkay = false;
}
if (!isOkay)
{
break;
}
mixAndMatchRelativeValueLookup.Add(itemGroupIndex, mixAndMatchValue - simpleDiscountValue);
}
}
}
}
if (isOkay)
{
// Now group items by relative price and price, and order them by relative price, in consolidatedListOfItemsWithSamePriceAndRelativeValuesDescending.
// See tests in OverlappedDiscountsUnitTests.
itemGroupIndexListSortedByRelativePriceDescending.AddRange(mixAndMatchRelativeValueLookup.Keys);
ItemPriceComparer itemPriceComparer = new ItemPriceComparer(mixAndMatchRelativeValueLookup);
itemGroupIndexListSortedByRelativePriceDescending.Sort(itemPriceComparer.GetComparison());
decimal previousRelativePrice = decimal.Zero;
Dictionary <decimal, HashSet <int> > itemPriceToItemGroupIndexSetLookup = new Dictionary <decimal, HashSet <int> >();
for (int listIndex = 0; listIndex < itemGroupIndexListSortedByRelativePriceDescending.Count; listIndex++)
{
int itemGroupIndex = itemGroupIndexListSortedByRelativePriceDescending[listIndex];
decimal currentPrice = discountableItemGroups[itemGroupIndex].Price;
decimal currentRelativePrice = mixAndMatchRelativeValueLookup[itemGroupIndex];
if (listIndex == 0)
{
previousRelativePrice = currentRelativePrice;
itemPriceToItemGroupIndexSetLookup.Add(currentPrice, new HashSet <int>()
{
itemGroupIndex
});
}
else
{
if (currentRelativePrice == previousRelativePrice)
{
HashSet <int> itemGroupIndexSetWithSameRelativePriceAndPrice = null;
if (itemPriceToItemGroupIndexSetLookup.TryGetValue(currentPrice, out itemGroupIndexSetWithSameRelativePriceAndPrice))
{
itemGroupIndexSetWithSameRelativePriceAndPrice.Add(itemGroupIndex);
}
else
{
itemPriceToItemGroupIndexSetLookup.Add(currentPrice, new HashSet <int>()
{
itemGroupIndex
});
}
}
if (currentRelativePrice != previousRelativePrice)
{
foreach (KeyValuePair <decimal, HashSet <int> > pair in itemPriceToItemGroupIndexSetLookup)
{
HashSet <int> itemGroupIndexSetWithSameRelativePriceAndPrice = pair.Value;
consolidatedListOfItemsWithSamePriceAndRelativeValuesDescending.Add(new HashSet <int>(itemGroupIndexSetWithSameRelativePriceAndPrice));
}
previousRelativePrice = currentRelativePrice;
itemPriceToItemGroupIndexSetLookup.Clear();
itemPriceToItemGroupIndexSetLookup.Add(currentPrice, new HashSet <int>()
{
itemGroupIndex
});
}
if (listIndex == itemGroupIndexListSortedByRelativePriceDescending.Count - 1)
{
foreach (KeyValuePair <decimal, HashSet <int> > pair in itemPriceToItemGroupIndexSetLookup)
{
HashSet <int> itemGroupIndexSetWithSameRelativePriceAndPrice = pair.Value;
consolidatedListOfItemsWithSamePriceAndRelativeValuesDescending.Add(new HashSet <int>(itemGroupIndexSetWithSameRelativePriceAndPrice));
}
itemPriceToItemGroupIndexSetLookup.Clear();
}
}
}
}
return(isOkay);
}
internal bool IsOkayForMixAndMatchOneLineGroupOptimizationAndFillupValueLookups(
Dictionary <int, decimal> mixAndMatchRelativeValueLookup,
Dictionary <int, OfferDiscount> simpleDiscountOfferLookup,
DiscountableItemGroup[] discountableItemGroups,
decimal[] remainingQuantities)
{
// Special optimization for this overlapped group when there is
// only one mix and match
// with only one line group
// with any of deal price, $ off, % off, or least expensive $-off.
bool isOkay = this.MixAndMatchAndQuantityDiscounts.Count == 1;
MixAndMatchDiscount mixAndMatchDiscount = null;
if (isOkay)
{
mixAndMatchDiscount = this.MixAndMatchAndQuantityDiscounts.First().Value as MixAndMatchDiscount;
isOkay = mixAndMatchDiscount != null;
}
if (isOkay)
{
isOkay = mixAndMatchDiscount.DiscountType == DiscountMethodType.DealPrice ||
mixAndMatchDiscount.DiscountType == DiscountMethodType.DiscountPercent ||
mixAndMatchDiscount.DiscountType == DiscountMethodType.DiscountAmount ||
mixAndMatchDiscount.IsLeastExpensiveAmountOff;
}
if (isOkay)
{
isOkay = mixAndMatchDiscount.LineGroupToNumberOfItemsMap.Count == 1;
}
if (isOkay)
{
// Mix and match example: buy 3 for $10.
// For each item, calculate relative value of mix and match against discount offer with quantity 3 as a group.
// relative value of item A = M(AAA) - 3S(A)
// See DiscountCalculator.TryOptimizeForOneMixAndMatchWithOneLineGroup
var lineGroupNumberOfItemsPair = mixAndMatchDiscount.LineGroupToNumberOfItemsMap.First();
string lineGroup = lineGroupNumberOfItemsPair.Key;
decimal quantityNeeded = lineGroupNumberOfItemsPair.Value;
HashSet <int> mixAndMatchItemIndexGroupSet = null;
if (mixAndMatchDiscount.LineGroupToItemGroupIndexSetLookup.TryGetValue(lineGroup, out mixAndMatchItemIndexGroupSet))
{
foreach (int itemGroupIndex in mixAndMatchItemIndexGroupSet)
{
if (remainingQuantities[itemGroupIndex] > decimal.Zero)
{
// Move it to mix and match
decimal mixAndMatchValue = decimal.Zero;
decimal price = discountableItemGroups[itemGroupIndex].Price;
decimal totalPrice = price * quantityNeeded;
switch (mixAndMatchDiscount.DiscountType)
{
case DiscountMethodType.DealPrice:
mixAndMatchValue = totalPrice - mixAndMatchDiscount.DealPriceValue;
isOkay = mixAndMatchValue >= decimal.Zero;
break;
case DiscountMethodType.DiscountAmount:
mixAndMatchValue = mixAndMatchDiscount.DiscountAmountValue;
isOkay = totalPrice >= mixAndMatchDiscount.DiscountAmountValue;
break;
case DiscountMethodType.DiscountPercent:
mixAndMatchValue = DiscountBase.GetDiscountAmountForPercentageOff(totalPrice, mixAndMatchDiscount.DiscountPercentValue);
break;
default:
isOkay = false;
if (mixAndMatchDiscount.IsLeastExpensiveAmountOff && price >= mixAndMatchDiscount.DiscountAmountValue)
{
isOkay = true;
mixAndMatchValue = mixAndMatchDiscount.DiscountAmountValue;
}
break;
}
if (!isOkay)
{
break;
}
int discountOfferCount = 0;
decimal simpleDiscountValue = decimal.Zero;
foreach (KeyValuePair <string, DiscountBase> pair in this.OfferDiscounts)
{
OfferDiscount offer = pair.Value as OfferDiscount;
if (offer != null)
{
HashSet <decimal> discountLineNumberSetForItem = null;
if (offer.ItemGroupIndexToDiscountLineNumberSetMap.TryGetValue(itemGroupIndex, out discountLineNumberSetForItem))
{
if (discountLineNumberSetForItem.Count >= 1)
{
decimal discountLineNumber = discountLineNumberSetForItem.First();
RetailDiscountLine discountLineDefinition = offer.DiscountLines[discountLineNumber];
// For now, it works for fully covered items.
// Fully covered, as an example, buy 3 for $10, then if item price is $3, it won't get discount
// or buy 3 for $5 off, then if item price is $1, it won't get full discount.
bool isFullyCovered = false;
simpleDiscountValue = OfferDiscount.GetUnitDiscountAmountAndCheckWhetherItsFullyCovered(discountLineDefinition, price, out isFullyCovered) * quantityNeeded;
if (!isFullyCovered)
{
isOkay = false;
}
if (!isOkay)
{
break;
}
simpleDiscountOfferLookup[itemGroupIndex] = offer;
discountOfferCount++;
}
}
}
}
// For now, we don't handle multiple discount offers.
// With optimization earlier, that's mostly the case. See DiscountCalcuator.ReduceOverlappedOfferAndQuantityDiscountsPerItem.
if (discountOfferCount > 1)
{
isOkay = false;
}
if (!isOkay)
{
break;
}
mixAndMatchRelativeValueLookup.Add(itemGroupIndex, mixAndMatchValue - simpleDiscountValue);
}
}
}
}
return(isOkay);
}
internal static Dictionary <long, List <DiscountBase> > GetProductOrVariantToDiscountMapLive(
SalesTransaction transaction,
PriceContext priceContext,
IPricingDataAccessor pricingDataManager)
{
List <ItemUnit> items = new List <ItemUnit>();
Dictionary <string, long> itemIdInventDimIdToProductOrVariantIdMap = new Dictionary <string, long>(StringComparer.OrdinalIgnoreCase);
foreach (SalesLine salesLine in transaction.PriceCalculableSalesLines)
{
// The map is to look up product or variant id, but not master id if variant id is present.
itemIdInventDimIdToProductOrVariantIdMap[GetItemIdInventDimIdKey(salesLine.ItemId, salesLine.InventoryDimensionId)] = salesLine.ProductId;
items.Add(new ItemUnit()
{
ItemId = salesLine.ItemId, VariantInventoryDimensionId = salesLine.InventoryDimensionId, Product = salesLine.MasterProductId == 0 ? salesLine.ProductId : salesLine.MasterProductId, DistinctProductVariant = salesLine.Variant != null ? salesLine.Variant.DistinctProductVariantId : 0, UnitOfMeasure = Discount.GetUnitOfMeasure(salesLine)
});
}
ReadOnlyCollection <PeriodicDiscount> discountAndLines = GetRetailDiscountsAndLines(items, priceContext, pricingDataManager, QueryResultSettings.AllRecords);
ISet <long> productVariantMasterIdsInTransaction = GetProductVariantMasterIdsForTransaction(transaction);
Dictionary <long, List <DiscountBase> > productDiscountMap = new Dictionary <long, List <DiscountBase> >();
Dictionary <string, DiscountBase> offerIdToDiscountMap = new Dictionary <string, DiscountBase>(StringComparer.OrdinalIgnoreCase);
foreach (PeriodicDiscount discountAndLine in discountAndLines)
{
if (!PriceContextHelper.MatchCalculationMode(priceContext, discountAndLine.PeriodicDiscountType))
{
continue;
}
string key = GetItemIdInventDimIdKey(discountAndLine.ItemId, discountAndLine.InventoryDimensionId);
long productOrVariantId = 0;
if (itemIdInventDimIdToProductOrVariantIdMap.TryGetValue(key, out productOrVariantId))
{
DiscountBase discount = null;
if (offerIdToDiscountMap.TryGetValue(discountAndLine.OfferId, out discount))
{
RetailDiscountLine discountLine = null;
if (!discount.DiscountLines.TryGetValue(discountAndLine.DiscountLineNumber, out discountLine))
{
discountLine = ConvertDiscountAndLineToDiscountLine(discountAndLine, discount);
discount.DiscountLines.Add(discountLine.DiscountLineNumber, discountLine);
}
IList <RetailDiscountLine> discountLines = null;
if (discount.ProductOfVariantToDiscountLinesMap.TryGetValue(productOrVariantId, out discountLines))
{
discountLines.Add(discountLine);
}
else
{
discount.ProductOfVariantToDiscountLinesMap[productOrVariantId] = new List <RetailDiscountLine> {
discountLine
};
}
}
else
{
discount = ConvertDiscountAndLineToDiscountBase(discountAndLine);
discount.ProductOrVariantIdsInTransaction = productVariantMasterIdsInTransaction;
RetailDiscountLine discountLine = ConvertDiscountAndLineToDiscountLine(discountAndLine, discount);
discount.DiscountLines.Add(discountLine.DiscountLineNumber, discountLine);
offerIdToDiscountMap.Add(discount.OfferId, discount);
discount.ProductOfVariantToDiscountLinesMap[productOrVariantId] = new List <RetailDiscountLine> {
discountLine
};
}
List <DiscountBase> discounts;
if (productDiscountMap.TryGetValue(productOrVariantId, out discounts))
{
if (!discounts.Where(p => p.OfferId == discount.OfferId).Any())
{
discounts.Add(discount);
}
}
else
{
productDiscountMap[productOrVariantId] = new List <DiscountBase>()
{
discount
};
}
}
}
IEnumerable <string> offerIds = offerIdToDiscountMap.Select(p => p.Key);
if (offerIds.Any())
{
IEnumerable <DiscountCode> discountCodes = pricingDataManager.GetDiscountCodesByOfferIds(offerIds) as IEnumerable <DiscountCode>;
foreach (DiscountCode discountCode in discountCodes)
{
DiscountBase discountBase;
if (offerIdToDiscountMap.TryGetValue(discountCode.OfferId, out discountBase))
{
// Accept both discount code and barcode in retail channel.
discountBase.DiscountCodes.Add(discountCode.Code);
discountBase.DiscountCodes.Add(discountCode.Barcode);
}
}
IEnumerable <RetailDiscountPriceGroup> discountPriceGroups = pricingDataManager.GetRetailDiscountPriceGroups(new HashSet <string>(offerIds)) as IEnumerable <RetailDiscountPriceGroup>;
foreach (RetailDiscountPriceGroup discountPriceGroup in discountPriceGroups)
{
offerIdToDiscountMap[discountPriceGroup.OfferId].PriceDiscountGroupIds.Add(discountPriceGroup.PriceGroupId);
}
SetEffectiveDiscountPriorityFromPriceGroups(offerIdToDiscountMap, priceContext);
IEnumerable <string> quantityOfferIds = offerIdToDiscountMap.Where(p => p.Value.PeriodicDiscountType == PeriodicDiscountOfferType.MultipleBuy).Select(p => p.Key);
if (quantityOfferIds.Any())
{
IEnumerable <QuantityDiscountLevel> quantityLevels = pricingDataManager.GetMultipleBuyDiscountLinesByOfferIds(quantityOfferIds) as IEnumerable <QuantityDiscountLevel>;
foreach (QuantityDiscountLevel quantityLevel in quantityLevels)
{
DiscountBase discountBase;
if (offerIdToDiscountMap.TryGetValue(quantityLevel.OfferId, out discountBase))
{
MultipleBuyDiscount multipleBuy = discountBase as MultipleBuyDiscount;
if (multipleBuy != null)
{
multipleBuy.QuantityDiscountLevels.Add(quantityLevel);
}
}
}
}
IEnumerable <string> mixMatchOfferIds = offerIdToDiscountMap.Where(p => p.Value.PeriodicDiscountType == PeriodicDiscountOfferType.MixAndMatch).Select(p => p.Key);
if (mixMatchOfferIds.Any())
{
IEnumerable <MixAndMatchLineGroup> mixMatchLineGroups = pricingDataManager.GetMixAndMatchLineGroupsByOfferIds(mixMatchOfferIds) as IEnumerable <MixAndMatchLineGroup>;
foreach (MixAndMatchLineGroup lineGroup in mixMatchLineGroups)
{
DiscountBase discountBase;
if (offerIdToDiscountMap.TryGetValue(lineGroup.OfferId, out discountBase))
{
MixAndMatchDiscount mixMatch = discountBase as MixAndMatchDiscount;
if (mixMatch != null)
{
mixMatch.LineGroupToNumberOfItemsMap.Add(lineGroup.LineGroup, lineGroup.NumberOfItemsNeeded);
}
}
}
}
IEnumerable <string> thresholdOfferIds = offerIdToDiscountMap.Where(p => p.Value.PeriodicDiscountType == PeriodicDiscountOfferType.Threshold).Select(p => p.Key);
if (thresholdOfferIds.Any())
{
IEnumerable <ThresholdDiscountTier> thresholdTiers = pricingDataManager.GetThresholdTiersByOfferIds(thresholdOfferIds) as IEnumerable <ThresholdDiscountTier>;
foreach (ThresholdDiscountTier tier in thresholdTiers)
{
DiscountBase discountBase;
if (offerIdToDiscountMap.TryGetValue(tier.OfferId, out discountBase))
{
ThresholdDiscount threshold = discountBase as ThresholdDiscount;
if (threshold != null)
{
threshold.ThresholdDiscountTiers.Add(tier);
}
}
}
}
}
return(productDiscountMap);
}
/// <summary>
/// Converts retail discount data from database to discount object.
/// </summary>
/// <param name="retailDiscount">Retail discount data from database.</param>
/// <returns>Discount object.</returns>
/// <remarks>This is private. Exposed as internal for test.</remarks>
internal static DiscountBase ConvertRetailDiscountToDiscountBase(RetailDiscount retailDiscount)
{
DiscountBase discount = null;
OfferDiscount offer = null;
MixAndMatchDiscount mixAndMatch = null;
MultipleBuyDiscount multipleBuy = null;
ThresholdDiscount threshold = null;
switch (retailDiscount.PeriodicDiscountType)
{
case PeriodicDiscountOfferType.Offer:
offer = new OfferDiscount(retailDiscount.ValidationPeriod);
discount = offer;
break;
case PeriodicDiscountOfferType.MixAndMatch:
mixAndMatch = new MixAndMatchDiscount(retailDiscount.ValidationPeriod);
mixAndMatch.DealPriceValue = retailDiscount.MixAndMatchDealPrice;
mixAndMatch.DiscountAmountValue = retailDiscount.MixAndMatchDiscountAmount;
mixAndMatch.DiscountPercentValue = retailDiscount.MixAndMatchDiscountPercent;
mixAndMatch.NumberOfLeastExpensiveLines = retailDiscount.MixAndMatchNumberOfLeastExpensiveLines;
mixAndMatch.LeastExpensiveMode = retailDiscount.LeastExpensiveMode;
mixAndMatch.NumberOfTimesApplicable = retailDiscount.MixAndMatchNumberOfTimeApplicable;
foreach (RetailDiscountLine mixMatchLine in retailDiscount.DiscountLines)
{
if (!mixAndMatch.LineGroupToNumberOfItemsMap.ContainsKey(mixMatchLine.MixAndMatchLineGroup))
{
mixAndMatch.LineGroupToNumberOfItemsMap.Add(mixMatchLine.MixAndMatchLineGroup, mixMatchLine.MixAndMatchLineNumberOfItemsNeeded);
}
}
discount = mixAndMatch;
break;
case PeriodicDiscountOfferType.MultipleBuy:
multipleBuy = new MultipleBuyDiscount(retailDiscount.ValidationPeriod);
multipleBuy.QuantityDiscountLevels.AddRange(retailDiscount.MultibuyQuantityTiers);
discount = multipleBuy;
break;
case PeriodicDiscountOfferType.Threshold:
threshold = new ThresholdDiscount(retailDiscount.ValidationPeriod);
threshold.ShouldCountNonDiscountItems = retailDiscount.ShouldCountNonDiscountItems != 0;
threshold.ThresholdDiscountTiers.AddRange(retailDiscount.ThresholdDiscountTiers);
discount = threshold;
break;
}
if (discount != null)
{
discount.IsCategoryToProductOrVariantIdsMapSet = false;
discount.OfferId = retailDiscount.OfferId;
discount.OfferName = retailDiscount.Name;
discount.PeriodicDiscountType = retailDiscount.PeriodicDiscountType;
discount.IsDiscountCodeRequired = retailDiscount.IsDiscountCodeRequired;
discount.ConcurrencyMode = retailDiscount.ConcurrencyMode;
discount.PricingPriorityNumber = retailDiscount.PricingPriorityNumber;
discount.CurrencyCode = retailDiscount.CurrencyCode;
discount.DateValidationPeriodId = retailDiscount.ValidationPeriodId;
discount.DateValidationType = (DateValidationType)retailDiscount.DateValidationType;
discount.DiscountType = GetDiscountMethodType(discount.PeriodicDiscountType, retailDiscount.DiscountType);
discount.ValidFrom = retailDiscount.ValidFromDate;
discount.ValidTo = retailDiscount.ValidToDate;
foreach (RetailDiscountLine discountLine in retailDiscount.DiscountLines)
{
discountLine.DiscountMethod = (int)GetLineDiscountOfferMethod(discount.PeriodicDiscountType, discount.DiscountType, discountLine.DiscountMethod, discountLine.MixAndMatchLineSpecificDiscountType);
discount.DiscountLines.Add(discountLine.DiscountLineNumber, discountLine);
}
foreach (RetailDiscountPriceGroup priceGroup in retailDiscount.PriceGroups)
{
discount.PriceDiscountGroupIds.Add(priceGroup.PriceGroupId);
}
foreach (DiscountCode discountCode in retailDiscount.DiscountCodes)
{
discount.DiscountCodes.Add(discountCode.Code);
discount.DiscountCodes.Add(discountCode.Barcode);
}
}
return(discount);
}
