/// <summary>
/// Filters the promotions.
/// </summary>
/// <param name="evaluationContext">The evaluation context.</param>
/// <param name="records">The records, must be sorted in the order they are applied.</param>
/// <returns></returns>
public PromotionRecord[] FilterPromotions(IPromotionEvaluationContext evaluationContext, PromotionRecord[] records)
{
// applied global promotion, set to empty at the beginning
var appliedGlobalPromotionId = String.Empty;
var appliedRecords = new List <PromotionRecord>();
foreach (var record in records)
{
if (appliedGlobalPromotionId == String.Empty)
{
if (record.Reward.Promotion.ExclusionTypeId == (int)ExclusivityType.Global)
{
// set promotion id so we can filter all the rest of promotions
appliedGlobalPromotionId = record.Reward.Promotion.PromotionId;
}
appliedRecords.Add(record);
}
else // remove the rest of promotion records unless it was generated by the applied global promotion
{
if (record.Reward.Promotion.PromotionId == appliedGlobalPromotionId)
{
appliedRecords.Add(record);
}
}
}
return(appliedRecords.ToArray());
}
/// <summary>
/// Filters the promotions.
/// </summary>
/// <param name="evaluationContext">The evaluation context.</param>
/// <param name="records">The records, must be sorted in the order they are applied.</param>
/// <returns></returns>
public PromotionRecord[] FilterPromotions(IPromotionEvaluationContext evaluationContext, PromotionRecord[] records)
{
var appliedRecords = new List<PromotionRecord>();
var groups = new Dictionary<string, string>();
foreach (var record in records)
{
if (!groups.ContainsKey(record.PromotionType)) // we already have exclusive withing a current group, so ignore
{
if (record.Reward.Promotion.ExclusionTypeId == (int)ExclusivityType.Group)
{
groups.Add(record.PromotionType, record.Reward.Promotion.PromotionId);
}
appliedRecords.Add(record);
}
else // remove the rest of promotion records unless it was generated by the applied group promotion
{
if (groups.ContainsValue(record.Reward.Promotion.PromotionId))
appliedRecords.Add(record);
}
}
return appliedRecords.ToArray();
}
public PromotionRecord[] FilterPromotions(IPromotionEvaluationContext evaluationContext, PromotionRecord[] records)
{
/*
* var retVal = promotions;
* var cartSubtotalRewards = retVal.SelectMany(x => x.Rewards.OfType<CartSubtotalReward>()).ToArray();
* //Only a max relative(%) discount or absolute($). The relative (%) has a exlude the absolute ($).
* var maxCartSubtotalReward = cartSubtotalRewards.Where(x => x.AmountTypeId == (int)RewardAmountType.Relative)
* .OrderByDescending(x => x.Amount)
* .FirstOrDefault();
* if (maxCartSubtotalReward == null)
* {
* maxCartSubtotalReward = cartSubtotalRewards.Where(x => x.AmountTypeId == (int)RewardAmountType.Absolute)
* .OrderByDescending(x => x.Amount)
* .FirstOrDefault();
* }
* if (maxCartSubtotalReward != null)
* {
* //Remove all other cartSubtotalRewards from promotions
* foreach (var toRemoveReward in cartSubtotalRewards.Where(x => x != maxCartSubtotalReward))
* {
* toRemoveReward.Promotion.Rewards.Remove(toRemoveReward);
* }
* }
*
* return retVal.Where(x => x.Rewards.Count() > 0).ToArray();
* */
return(records);
}
public PromotionRecord[] FilterPromotions(IPromotionEvaluationContext evaluationContext, PromotionRecord[] records)
{
/*
var retVal = promotions;
var shipmentRewards = retVal.SelectMany(x => x.Rewards.OfType<ShipmentReward>()).ToArray();
//Only a max relative(%) discount or absolute($). The relative (%) has a exlude the absolute ($).
var maxShipmentReward = shipmentRewards.Where(x => x.AmountTypeId == (int)RewardAmountType.Relative)
.OrderByDescending(x => x.Amount)
.FirstOrDefault();
if (maxShipmentReward == null)
{
maxShipmentReward = shipmentRewards.Where(x => x.AmountTypeId == (int)RewardAmountType.Absolute)
.OrderByDescending(x => x.Amount)
.FirstOrDefault();
}
if (maxShipmentReward != null)
{
//Remove all other shipment rewards from promotions
foreach (var toRemoveReward in shipmentRewards.Where(x => x != maxShipmentReward))
{
toRemoveReward.Promotion.Rewards.Remove(toRemoveReward);
}
}
return retVal.Where(x => x.Rewards.Count() > 0).ToArray();
* */
return records;
}
/// <summary>
/// Filters the promotions.
/// </summary>
/// <param name="evaluationContext">The evaluation context.</param>
/// <param name="records">The records, must be sorted in the order they are applied.</param>
/// <returns></returns>
public PromotionRecord[] FilterPromotions(IPromotionEvaluationContext evaluationContext, PromotionRecord[] records)
{
// applied global promotion, set to empty at the beginning
var appliedGlobalPromotionId = String.Empty;
var appliedRecords = new List<PromotionRecord>();
foreach (var record in records)
{
if (appliedGlobalPromotionId == String.Empty)
{
if (record.Reward.Promotion.ExclusionTypeId == (int)ExclusivityType.Global)
{
// set promotion id so we can filter all the rest of promotions
appliedGlobalPromotionId = record.Reward.Promotion.PromotionId;
}
appliedRecords.Add(record);
}
else // remove the rest of promotion records unless it was generated by the applied global promotion
{
if (record.Reward.Promotion.PromotionId == appliedGlobalPromotionId)
appliedRecords.Add(record);
}
}
return appliedRecords.ToArray();
}
/// <summary>
/// Filters the promotions.
/// </summary>
/// <param name="evaluationContext">The evaluation context.</param>
/// <param name="records">The records, must be sorted in the order they are applied.</param>
/// <returns></returns>
public PromotionRecord[] FilterPromotions(IPromotionEvaluationContext evaluationContext, PromotionRecord[] records)
{
var appliedRecords = new List <PromotionRecord>();
var groups = new Dictionary <string, string>();
foreach (var record in records)
{
if (!groups.ContainsKey(record.PromotionType)) // we already have exclusive withing a current group, so ignore
{
if (record.Reward.Promotion.ExclusionTypeId == (int)ExclusivityType.Group)
{
groups.Add(record.PromotionType, record.Reward.Promotion.PromotionId);
}
appliedRecords.Add(record);
}
else // remove the rest of promotion records unless it was generated by the applied group promotion
{
if (groups.ContainsValue(record.Reward.Promotion.PromotionId))
{
appliedRecords.Add(record);
}
}
}
return(appliedRecords.ToArray());
}
public void RegisterToUsePromotion(IPromotionEvaluationContext context, Promotion promotion)
{
var promotionUsage = new PromotionUsage
{
CouponCode = context.CouponCode,
MemberId = context.CustomerId,
PromotionId = promotion.PromotionId,
OrderGroupId = ((OrderGroup)context.ContextObject).OrderGroupId
};
_marketingRepository.Add(promotionUsage);
_marketingRepository.UnitOfWork.Commit();
}
public void RegisterToUsePromotion(IPromotionEvaluationContext context, Promotion promotion)
{
var promotionUsage = new PromotionUsage
{
CouponCode = context.CouponCode,
MemberId = context.CustomerId,
PromotionId = promotion.PromotionId,
OrderGroupId = ((OrderGroup)context.ContextObject).OrderGroupId
};
_marketingRepository.Add(promotionUsage);
_marketingRepository.UnitOfWork.Commit();
}
public Model.Promotion[] EvaluatePromotions(IPromotionEvaluationContext context)
{
return _evaluator.EvaluatePromotion(context);
}
public Promotion[] EvaluatePromotion(IPromotionEvaluationContext context)
{
if (!(context.ContextObject is Dictionary<string, object>))
throw new ArgumentException("context.ContextObject must be a Dictionary");
var query = GetPromotions();
var utcnow = DateTime.UtcNow;
switch (context.PromotionType)
{
case PromotionType.CatalogPromotion:
query = query.OfType<CatalogPromotion>();
break;
case PromotionType.ShipmentPromotion:
case PromotionType.CartPromotion:
query = query.OfType<CartPromotion>();
if (!string.IsNullOrEmpty(context.Store))
{
query = query.Cast<CartPromotion>().Where(x => x.StoreId == context.Store);
}
break;
}
// sort promotions by type and priority
query = query.OrderByDescending(x => x.GetType().Name).ThenByDescending(x => x.Priority);
//filter by date expiration
query = query.Where(x => x.Status.Equals(PromotionStatus.Active.ToString()) && (x.StartDate == null || utcnow >= x.StartDate) && (x.EndDate == null || x.EndDate >= utcnow));
//Evaluate query
var promotions = query.ToArray();
Func<Promotion, bool> isValidCouponPredicate = x => false;
//filter by entered coupons
if (!string.IsNullOrEmpty(context.CouponCode))
{
//check coupon code if specified coupon set for promotion
isValidCouponPredicate = x =>
{
var coupons = new string[] { };
if (x.CouponId != null)
{
coupons = _repository.Coupons.Where(c => c.CouponId == x.CouponId).Select(c => c.Code).ToArray();
}
else if (x.CouponSetId != null)
{
coupons = _repository.CouponSets.Expand(c => c.Coupons)
.Where(c => c.CouponSetId == x.CouponSetId)
.SelectMany(c => c.Coupons)
.Select(c => c.Code).ToArray();
}
var retVal = coupons.Contains(context.CouponCode);
return retVal;
};
}
//Allow only those rewards that do not require coupons or check if coupon is valid
promotions = promotions.Where(x => isValidCouponPredicate(x) || string.IsNullOrEmpty(x.CouponId) && string.IsNullOrEmpty(x.CouponSetId)).ToArray();
//Filter promotion by usage limit
promotions = promotions.Where(x => x.TotalLimit <= 0 || _usageProvider.GetTotalUsageCount(x.PromotionId) < x.TotalLimit).ToArray();
promotions = promotions.Where(x => x.PerCustomerLimit <= 0 || _usageProvider.GetUsagePerCustomerCount(x.PromotionId, context.CustomerId) < x.PerCustomerLimit).ToArray();
//TODO: Filter by customer segments
//Evaluate promotions
Func<Promotion, bool> conditionPredicate = x =>
{
var condition = DeserializeExpression<Func<IEvaluationContext, bool>>(x.PredicateSerialized);
return condition(context);
};
promotions = promotions.Where(conditionPredicate).ToArray();
return promotions;
}
public Model.Promotion[] EvaluatePromotions(IPromotionEvaluationContext context)
{
return(_evaluator.EvaluatePromotion(context));
}
public Promotion[] EvaluatePromotion(IPromotionEvaluationContext context)
{
if (!(context.ContextObject is Dictionary <string, object>))
{
throw new ArgumentException("context.ContextObject must be a Dictionary");
}
var query = GetPromotions();
var utcnow = DateTime.UtcNow;
switch (context.PromotionType)
{
case PromotionType.CatalogPromotion:
query = query.OfType <CatalogPromotion>();
break;
case PromotionType.ShipmentPromotion:
case PromotionType.CartPromotion:
query = query.OfType <CartPromotion>();
if (!string.IsNullOrEmpty(context.Store))
{
query = query.Cast <CartPromotion>().Where(x => x.StoreId == context.Store);
}
break;
}
// sort promotions by type and priority
query = query.OrderByDescending(x => x.GetType().Name).ThenByDescending(x => x.Priority);
//filter by date expiration
query = query.Where(x => x.Status.Equals(PromotionStatus.Active.ToString()) && (x.StartDate == null || utcnow >= x.StartDate) && (x.EndDate == null || x.EndDate >= utcnow));
//Evaluate query
var promotions = query.ToArray();
Func <Promotion, bool> isValidCouponPredicate = x => false;
//filter by entered coupons
if (!string.IsNullOrEmpty(context.CouponCode))
{
//check coupon code if specified coupon set for promotion
isValidCouponPredicate = x =>
{
var coupons = new string[] { };
if (x.CouponId != null)
{
coupons = _repository.Coupons.Where(c => c.CouponId == x.CouponId).Select(c => c.Code).ToArray();
}
else if (x.CouponSetId != null)
{
coupons = _repository.CouponSets.Expand(c => c.Coupons)
.Where(c => c.CouponSetId == x.CouponSetId)
.SelectMany(c => c.Coupons)
.Select(c => c.Code).ToArray();
}
var retVal = coupons.Contains(context.CouponCode);
return(retVal);
};
}
//Allow only those rewards that do not require coupons or check if coupon is valid
promotions = promotions.Where(x => isValidCouponPredicate(x) || string.IsNullOrEmpty(x.CouponId) && string.IsNullOrEmpty(x.CouponSetId)).ToArray();
//Filter promotion by usage limit
promotions = promotions.Where(x => x.TotalLimit <= 0 || _usageProvider.GetTotalUsageCount(x.PromotionId) < x.TotalLimit).ToArray();
promotions = promotions.Where(x => x.PerCustomerLimit <= 0 || _usageProvider.GetUsagePerCustomerCount(x.PromotionId, context.CustomerId) < x.PerCustomerLimit).ToArray();
//TODO: Filter by customer segments
//Evaluate promotions
Func <Promotion, bool> conditionPredicate = x =>
{
var condition = DeserializeExpression <Func <IEvaluationContext, bool> >(x.PredicateSerialized);
return(condition(context));
};
promotions = promotions.Where(conditionPredicate).ToArray();
return(promotions);
}