private async Task <bool?> CalculateCartLinePrice( CartLineComponent arg, CommercePipelineExecutionContext context) { ProductArgument productArgument = ProductArgument.FromItemId(arg.ItemId); SellableItem sellableItem = null; if (productArgument.IsValid()) { sellableItem = context.CommerceContext.GetEntity((Func <SellableItem, bool>)(s => s.ProductId.Equals(productArgument.ProductId, StringComparison.OrdinalIgnoreCase))); if (sellableItem == null) { string simpleName = productArgument.ProductId.SimplifyEntityName(); sellableItem = context.CommerceContext.GetEntity((Func <SellableItem, bool>)(s => s.ProductId.Equals(simpleName, StringComparison.OrdinalIgnoreCase))); if (sellableItem != null) { sellableItem.ProductId = simpleName; } } } if (sellableItem == null) { CommercePipelineExecutionContext executionContext = context; CommerceContext commerceContext = context.CommerceContext; string error = context.GetPolicy <KnownResultCodes>().Error; object[] args = new object[] { arg.ItemId }; string defaultMessage = "Item '" + arg.ItemId + "' is not purchasable."; executionContext.Abort(await commerceContext.AddMessage(error, "LineIsNotPurchasable", args, defaultMessage), context); executionContext = null; return(new bool?()); } MessagesComponent messagesComponent = arg.GetComponent <MessagesComponent>(); messagesComponent.Clear(context.GetPolicy <KnownMessageCodePolicy>().Pricing); if (sellableItem.HasComponent <MessagesComponent>()) { List <MessageModel> messages = sellableItem.GetComponent <MessagesComponent>().GetMessages(context.GetPolicy <KnownMessageCodePolicy>().Pricing); messagesComponent.AddMessages(messages); } arg.UnitListPrice = sellableItem.ListPrice; string listPriceMessage = "CartItem.ListPrice<=SellableItem.ListPrice: Price=" + arg.UnitListPrice.AsCurrency(false, null); string sellPriceMessage = string.Empty; PurchaseOptionMoneyPolicy optionMoneyPolicy = new PurchaseOptionMoneyPolicy(); if (sellableItem.HasPolicy <PurchaseOptionMoneyPolicy>()) { optionMoneyPolicy.SellPrice = sellableItem.GetPolicy <PurchaseOptionMoneyPolicy>().SellPrice; sellPriceMessage = "CartItem.SellPrice<=SellableItem.SellPrice: Price=" + optionMoneyPolicy.SellPrice.AsCurrency(false, null); } PriceSnapshotComponent snapshotComponent; if (sellableItem.HasComponent <ItemVariationsComponent>()) { ItemVariationSelectedComponent lineVariant = arg.ChildComponents.OfType <ItemVariationSelectedComponent>().FirstOrDefault(); ItemVariationsComponent itemVariationsComponent = sellableItem.GetComponent <ItemVariationsComponent>(); ItemVariationComponent itemVariationComponent; if (itemVariationsComponent == null) { itemVariationComponent = null; } else { IList <Component> childComponents = itemVariationsComponent.ChildComponents; itemVariationComponent = childComponents?.OfType <ItemVariationComponent>().FirstOrDefault(v => { return(!string.IsNullOrEmpty(v.Id) ? v.Id.Equals(lineVariant?.VariationId, StringComparison.OrdinalIgnoreCase) : false); }); } if (itemVariationComponent != null) { if (itemVariationComponent.HasComponent <MessagesComponent>()) { List <MessageModel> messages = itemVariationComponent.GetComponent <MessagesComponent>().GetMessages(context.GetPolicy <KnownMessageCodePolicy>().Pricing); messagesComponent.AddMessages(messages); } arg.UnitListPrice = itemVariationComponent.ListPrice; listPriceMessage = "CartItem.ListPrice<=SellableItem.Variation.ListPrice: Price=" + arg.UnitListPrice.AsCurrency(false, null); if (itemVariationComponent.HasPolicy <PurchaseOptionMoneyPolicy>()) { optionMoneyPolicy.SellPrice = itemVariationComponent.GetPolicy <PurchaseOptionMoneyPolicy>().SellPrice; sellPriceMessage = "CartItem.SellPrice<=SellableItem.Variation.SellPrice: Price=" + optionMoneyPolicy.SellPrice.AsCurrency(false, null); } } snapshotComponent = itemVariationComponent != null?itemVariationComponent.ChildComponents.OfType <PriceSnapshotComponent>().FirstOrDefault() : null; } else { snapshotComponent = sellableItem.Components.OfType <PriceSnapshotComponent>().FirstOrDefault(); } string currentCurrency = context.CommerceContext.CurrentCurrency(); PriceTier priceTier = snapshotComponent?.Tiers.OrderByDescending(t => t.Quantity).FirstOrDefault(t => { return(t.Currency.Equals(currentCurrency, StringComparison.OrdinalIgnoreCase) ? t.Quantity <= arg.Quantity : false); }); Customer customer = await _findEntityPipeline.Run(new FindEntityArgument(typeof(Customer), context.CommerceContext.CurrentCustomerId(), false), context) as Customer; bool isMembershipLevelPrice = false; if (customer != null && customer.HasComponent <MembershipSubscriptionComponent>()) { var membershipSubscriptionComponent = customer.GetComponent <MembershipSubscriptionComponent>(); var membershipLevel = membershipSubscriptionComponent.MemerbshipLevelName; if (snapshotComponent != null && snapshotComponent.HasComponent <MembershipTiersComponent>()) { var membershipTiersComponent = snapshotComponent.GetComponent <MembershipTiersComponent>(); var membershipPriceTier = membershipTiersComponent.Tiers.FirstOrDefault(x => x.MembershipLevel == membershipLevel); if (membershipPriceTier != null) { optionMoneyPolicy.SellPrice = new Money(membershipPriceTier.Currency, membershipPriceTier.Price); isMembershipLevelPrice = true; sellPriceMessage = string.Format("CartItem.SellPrice<=PriceCard.ActiveSnapshot: MembershipLevel={0}|Price={1}|Qty={2}", membershipSubscriptionComponent.MemerbshipLevelName, optionMoneyPolicy.SellPrice.AsCurrency(false, null), membershipPriceTier.Quantity); } } } if (!isMembershipLevelPrice && priceTier != null) { optionMoneyPolicy.SellPrice = new Money(priceTier.Currency, priceTier.Price); sellPriceMessage = string.Format("CartItem.SellPrice<=PriceCard.ActiveSnapshot: Price={0}|Qty={1}", optionMoneyPolicy.SellPrice.AsCurrency(false, null), priceTier.Quantity); } arg.Policies.Remove(arg.Policies.OfType <PurchaseOptionMoneyPolicy>().FirstOrDefault()); if (optionMoneyPolicy.SellPrice == null) { return(false); } arg.SetPolicy(optionMoneyPolicy); if (!string.IsNullOrEmpty(sellPriceMessage)) { messagesComponent.AddMessage(context.GetPolicy <KnownMessageCodePolicy>().Pricing, sellPriceMessage); } if (!string.IsNullOrEmpty(listPriceMessage)) { messagesComponent.AddMessage(context.GetPolicy <KnownMessageCodePolicy>().Pricing, listPriceMessage); } return(true); }