SourceCode/RFrameGenerate.BLL/Member/MemberLevelManage.cs

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using RFrameGenerate.Common;
using RFrameGenerate.Model;
using RFramework.SQLQuery.SQLExpands;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;

namespace RFrameGenerate.BLL.Member
{
    public class MemberLevelManage
    {
        public static List<T_BAS_MemberLevel> GetPageList(GridModel gridModel)
        {
            using (var query = Factory.CreateT_BAS_MemberLevel())
            {
                return query.GetPageList(gridModel);
            }
        }

        public static List<T_BAS_MemberLevel> GetList()
        {
            using (var query = Factory.CreateT_BAS_MemberLevel())
            {
                return query.GetList(null, false, m => m.LevelExp, DAL.Enums.OrderMethods.ASC);
            }
        }

        public static List<R> GetList<R>(Guid couponGuid, Expression<Func<T_BAS_MemberLevel, T_VIP_VipCoupon, R>> selectField)
        {
            using (var sql = new SqlModel<T_BAS_MemberLevel, T_VIP_VipCoupon>())
            {
                return sql.SqlSelect(selectField)
                          .SqlJionInner((a, b) => b).SqlOn((a, b) => a.MemberLevelGuid == b.MemberLevelGuid)
                          .SqlWhere((a, b) => b.CouponGuid == couponGuid && a.MerchantGuid == CurrentManage.MerchantGuid)
                          .ToList();
            }
        }

        public static Result Delete(Guid? memberLevelGuid)
        {
            var level = GetMemberLevel(memberLevelGuid);

            if (level == null) return new Result(false, "等级为空，不能删除！");

            if (Member.VipCouponManage.IsUsingMemberLevel(level.MemberLevelGuid)) return new Result(false, "等级已经使用，不能删除！");

            if (Member.ProductDiscountManage.IsUsingMemberLevel(level.MemberLevelGuid)) return new Result(false, "等级已经使用，不能删除！");

            using (var query = Factory.CreateT_BAS_MemberLevel())
            {
                query.Delete(level.MemberLevelGuid);
            }
            return new Result(true);
        }

        public static Result Save(Guid? memberLevelGuid, string levelName, string levelImg, int exp)
        {
            if (string.IsNullOrEmpty(levelName)) return new Result(false, "等级名称不能为空！");