private IEnumerable<PromotionRecord> CalculateCartDiscounts()
{
var records = new List<PromotionRecord>();
foreach (var form in CurrentOrderGroup.OrderForms)
{
var set = GetPromotionEntrySetFromOrderForm(form);
// create context
var ctx = new Dictionary<string, object> { { PromotionEvaluationContext.TargetSet, set } };
var couponCode = CustomerSessionService.CustomerSession.CouponCode;
//1. Prepare marketing context
var evaluationContext = new PromotionEvaluationContext
{
ContextObject = ctx,
CustomerId = CustomerSessionService.CustomerSession.CustomerId,
CouponCode = CustomerSessionService.CustomerSession.CouponCode,
PromotionType = PromotionType.CartPromotion,
Currency = CustomerSessionService.CustomerSession.Currency,
Store = CustomerSessionService.CustomerSession.StoreId,
IsRegisteredUser = CustomerSessionService.CustomerSession.IsRegistered,
IsFirstTimeBuyer = CustomerSessionService.CustomerSession.IsFirstTimeBuyer
};
//2. Evaluate
//var evaluator = new DefaultPromotionEvaluator(MarketingRepository, PromotionUsageProvider, new IEvaluationPolicy[] { new GlobalExclusivityPolicy(), new CartSubtotalRewardCombinePolicy(), new ShipmentRewardCombinePolicy() }, CacheRepository);
var promotions = PromotionEvaluator.EvaluatePromotion(evaluationContext);
var rewards = promotions.SelectMany(x => x.Rewards);
//3. Generate warnings
if (!string.IsNullOrEmpty(couponCode) && !promotions.Any(p => (p.CouponId != null && p.Coupon.Code == couponCode)
|| (p.CouponSetId != null && p.CouponSet.Coupons.Any(c => c.Code == couponCode))))
{
RegisterWarning(WorkflowMessageCodes.COUPON_NOT_APPLIED, "Coupon doesn't exist or is not applied");
}
records.AddRange(rewards.Select(reward => new PromotionRecord
{
AffectedEntriesSet = set,
TargetEntriesSet = set,
Reward = reward,
PromotionType = PromotionType.CartPromotion
}));
}
return records.ToArray();
}
private IEnumerable<PromotionRecord> CalculateLineItemDiscounts()
{
var records = new List<PromotionRecord>();
foreach (var form in CurrentOrderGroup.OrderForms)
{
foreach (var lineItem in form.LineItems)
{
var set = new PromotionEntrySet();
var entry = GetPromotionEntryFromLineItem(lineItem);
set.Entries.Add(entry);
// create context
var ctx = new Dictionary<string, object> { { PromotionEvaluationContext.TargetSet, set } };
//1. Prepare marketing context
var evaluationContext = new PromotionEvaluationContext
{
ContextObject = ctx,
CustomerId = CustomerSessionService.CustomerSession.CustomerId,
CouponCode = CustomerSessionService.CustomerSession.CouponCode,
Currency = CustomerSessionService.CustomerSession.Currency,
PromotionType = PromotionType.CatalogPromotion,
Store = CustomerSessionService.CustomerSession.StoreId,
IsRegisteredUser = CustomerSessionService.CustomerSession.IsRegistered,
IsFirstTimeBuyer = CustomerSessionService.CustomerSession.IsFirstTimeBuyer
};
//2. Evaluate
var promotions = PromotionEvaluator.EvaluatePromotion(evaluationContext);
var rewards = promotions.SelectMany(x => x.Rewards);
records.AddRange(rewards.Select(reward => new PromotionRecord
{
AffectedEntriesSet = set,
TargetEntriesSet = set,
Reward = reward,
PromotionType = PromotionType.CatalogPromotion
}));
}
}
return records.ToArray();
}
public decimal GetItemDiscountPrice(Item item, Price lowestPrice, Hashtable tags = null)
{
var price = lowestPrice.Sale ?? lowestPrice.List;
var session = _customerSession.CustomerSession;
// apply discounts
// create context
var ctx = new Dictionary<string, object>();
var set = GetPromotionEntrySetFromItem(item, price, tags);
ctx.Add(PromotionEvaluationContext.TargetSet, set);
var evaluationContext = new PromotionEvaluationContext
{
ContextObject = ctx,
CustomerId = session.CustomerId,
CouponCode = null,
Currency = session.Currency,
PromotionType = PromotionType.CatalogPromotion,
Store = session.StoreId,
IsRegisteredUser = session.IsRegistered,
IsFirstTimeBuyer = session.IsFirstTimeBuyer
};
var promotions = _evaluator.EvaluatePromotion(evaluationContext);
var rewards = promotions.SelectMany(x => x.Rewards).ToArray();
var records = new List<PromotionRecord>();
records.AddRange(rewards.Select(reward => new PromotionRecord
{
AffectedEntriesSet = set,
TargetEntriesSet = set,
Reward = reward,
PromotionType = PromotionType.CatalogPromotion
}));
//Filter by policies
var allRecords = _evaluator.EvaluatePolicies(records.ToArray());
var lineItemRewards = allRecords.Select(x=>x.Reward).OfType<CatalogItemReward>().ToArray();
var discountTotal = 0m;
foreach (var reward in lineItemRewards)
{
if (reward.QuantityLimit > 1) // skip everything for higher quantity
{
continue;
}
if (!String.IsNullOrEmpty(reward.SkuId)) // filter out free item rewards
{
if (!item.ItemId.Equals(reward.SkuId, StringComparison.OrdinalIgnoreCase))
{
continue;
}
}
var discountAmount = 0m;
const int quantity = 1;
if (reward.AmountTypeId == (int)RewardAmountType.Relative)
{
discountAmount = Math.Round(quantity*price*reward.Amount*0.01m,2);
}
else if (reward.AmountTypeId == (int)RewardAmountType.Absolute)
{
discountAmount = Math.Round(quantity*reward.Amount,2);
}
discountTotal += discountAmount;
}
return discountTotal;
}
