// make sure to sort the records correctly
// 1st: items with a coupon applied
// 2nd: catalog items
// 3rd: order
// 4th: shipping
private PromotionRecord[] SortPromotionRecords(PromotionRecord[] records)
{
var all = new List<PromotionRecord>();
var recordsWithCoupons = from r in records where !String.IsNullOrEmpty(r.Reward.Promotion.CouponId) orderby r.Reward.Promotion.Priority descending select r;
// all all coupon records first
all.Add(recordsWithCoupons);
var catalogRecords = from r in records where r.PromotionType == PromotionType.CatalogPromotion && !all.Contains(r) orderby r.Reward.Promotion.Priority descending select r;
all.Add(catalogRecords);
var cartRecords = from r in records where r.PromotionType == PromotionType.CartPromotion && !all.Contains(r) orderby r.Reward.Promotion.Priority descending select r;
all.Add(cartRecords);
return all.ToArray();
}
private LineItem[] GetLineItemsSuitableForCatalogItemReward(PromotionRecord record)
{
var reward = record.Reward as CatalogItemReward;
if (reward == null)
{
return new LineItem[0];
}
var entries = record.AffectedEntriesSet.Entries.ExcludeCategories(ParseStringIds(reward.ExcludingCategories))
.ExcludeProducts(ParseStringIds(reward.ExcludingProducts))
.ExcludeSkus(ParseStringIds(reward.ExcludingSkus))
.InCategory(reward.CategoryId)
.InProduct(reward.ProductId)
.OfSku(reward.SkuId)
.ToArray();
var ids = from e in entries select e.EntryId;
return (from l in CurrentOrderGroup.OrderForms[0].LineItems
where ids.Contains(l.CatalogItemId, StringComparer.OrdinalIgnoreCase)
select l).ToArray();
}
public PromotionRecord[] EvaluatePolicies(PromotionRecord[] records, IEvaluationPolicy[] policies = null)
{
policies = policies ?? _policies;
records = SortPromotionRecords(records);
return policies.Aggregate(records, (current, policy) => policy.FilterPromotions(null, current));
}
