yz_server/Server/Controllers/MemberManagement/GroupingController.cs

using Common.Models.UnqTables;
using Common.Utils;
using Server.MyClass.Views;
using SqlSugar;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Web.Http;

namespace Server.Controllers.MemberManagement
{

    public class GroupingController : DefaultController
    {
        /// <summary>
        /// 查询用户分组
        /// </summary>
        /// <returns></returns>
        [HttpPost, ErrorFilter]
        public WebResult GetUserGroups()
        {
            var Keyword = GetString("Keyword");
            var PageIndex = GetInt("PageIndex", true);
            var PageSize = GetInt("PageSize", true);
            if (PageSize > 100) PageSize = 100;

            var tNumber = 0;

            var exp = Expressionable.Create<UserGroup>();

            if (!string.IsNullOrEmpty(Keyword))
                exp.And(f => f.Name.Contains(Keyword));

            var DataList = Db.Queryable<UserGroup>()
                .LeftJoin<ConfigData>((f, g) => f.ReplyId == g.Id)
                .Where(exp.ToExpression())
                .Select((f, g) => new UserGroupView() { 
                    AotuSort = f.AotuSort,
                    ConfigName = g.Name,
                    Describe = f.Describe,
                    Id = f.Id,
                    MaximumOrder = f.MaximumOrder,
                    Name = f.Name,
                    ReplyId = f.ReplyId
                })
            .ToPageList(PageIndex, PageSize, ref tNumber);

            var res = new PageResult<UserGroupView>(DataList, tNumber, PageSize, PageIndex);

            return PutData(res);
        }

        /// <summary>
        /// 编辑用户分组
        /// </summary>
        /// <returns></returns>
        [HttpPost, ErrorFilter]
        public WebResult UpdUserGroup()
        {
            var Id = GetInt("Id", true);
            var Name = GetString("Name",true);
            var Describe = GetString("Describe");
            var AotuSort = GetBoolean("AotuSort");
            var MaximumOrder = GetInt("MinOrder");
            var ReplyId = GetInt("ReplyId");


            var user = Db.Queryable<UserGroup>().Single(f => f.Id == Id);

            if (user == null)
            {
                return PutData("编辑失败，此用户组不存在或已被删除");
            }

            var cacheGroup = Db.Queryable<UserGroup>().Where(f=>f.Name == Name).First();
            if (cacheGroup != null && cacheGroup.Id!=Id)
            {
                return PutData("此用户组名称已存在，请重新输入");
            }
            var temp = Db.Queryable<UserGroup>().Where(f => f.MaximumOrder == MaximumOrder).First();
            if (temp != null && temp.Id!= Id) return PutData($"编辑失败，已存在订单要求为“{MaximumOrder}”的分组！");
            user.Name = Name;
            user.Describe = Describe;
            user.AotuSort = AotuSort;
            user.MaximumOrder = MaximumOrder;
            user.ReplyId = ReplyId;

            Db.Updateable(user).ExecuteCommand();
            return PutSuccess;
        }

        /// <summary>
        /// 新增用户分组
        /// </summary>
        /// <returns></returns>
        [HttpPost, ErrorFilter]
        public WebResult AddUserGroup()
        {
            var Name = GetString("Name", true);
            var Describe = GetString("Describe");
            var AotuSort = GetBoolean("AotuSort");
            var MaximumOrder = GetInt("MaximumOrder");
            var ReplyId = GetInt("ReplyId");
            var userGroup = Db.Queryable<UserGroup>().Where(f =>f.Name == Name).First();

            if (userGroup != null)
            {
                return PutData("已存在此名称,请重新输入");
            }

            if (AotuSort) 
            {
                var temp = Db.Queryable<UserGroup>().Where(f => f.MaximumOrder == MaximumOrder).First();
                if (temp != null) return PutData($"添加失败，已存在订单要求为“{MaximumOrder}”的分组！");
            }
            Db.Queryable<UserGroup>();

            userGroup = new UserGroup()
            {
                Name = Name,
                Describe = Describe,
                AotuSort = AotuSort,
                MaximumOrder = MaximumOrder,
                ReplyId = ReplyId
            };

            Db.Insertable(userGroup).ExecuteCommand();
            return PutSuccess;
        }


        /// <summary>
        /// 删除用户分组
        /// </summary>
        /// <returns></returns>
        [HttpPost, ErrorFilter]
        public WebResult DelUserGroup()
        {
            var Id = GetInt("Id", true);

            var user = Db.Queryable<UserGroup>().Single(f => f.Id == Id);

            if (user == null)
            {
                return PutData("删除失败，此用户组不存在或已被删除");
            }

            Db.Deleteable(user).ExecuteCommand();

            return PutSuccess;
        }
    }
}