bbwy/BBWY.Server.Business/Extensions/OrderCostExtension.cs

using BBWY.Server.Model.Db;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace BBWY.Server.Business.Extensions
{
    public static class OrderCostExtension
    {
        public static void CalculationOrderProfitAndCost(this OrderCost orderCost, Order order, IList<AfterSaleOrder> afterSaleOrders)
        {
            orderCost.AfterTotalCost = afterSaleOrders.Count == 0 ? 0M : afterSaleOrders.Sum(aso => aso.AfterTotalCost);
            orderCost.RefundAmount = afterSaleOrders.Count == 0 ? 0M : afterSaleOrders.Sum(aso => aso.RefundAmount ?? 0M);
            orderCost.RefundPurchaseAmount = afterSaleOrders.Count == 0M ? 0M : afterSaleOrders.Sum(aso => aso.RefundPurchaseAmount ?? 0);

            //退款之后平台扣点
            orderCost.PlatformCommissionAmount = (order.OrderSellerPrice - orderCost.RefundAmount) * (orderCost.PlatformCommissionRatio);

            orderCost.Profit = order.OrderSellerPrice + order.FreightPrice - orderCost.RefundAmount -
                               orderCost.PurchaseAmount -
                               orderCost.DeliveryExpressFreight -
                               orderCost.PlatformCommissionAmount -
                               orderCost.AfterTotalCost +
                               orderCost.RefundPurchaseAmount;
        }
    }
}