TEAMModelOS/TEAMModelOS.SDK/Models/Service/GroupListService.cs

using Azure.Cosmos;
using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using TEAMModelOS.SDK.DI;
using TEAMModelOS.SDK.Extension;
using TEAMModelOS.SDK.Models.Cosmos.Common;
using HTEXLib.COMM.Helpers;
using System.Linq;
using System.Text;
using System.Text.Json;
using TEAMModelOS.Models;
using Azure.Messaging.ServiceBus;
using Microsoft.Extensions.Configuration;
using TEAMModelOS.SDK.Models.Service;
using System.Text.RegularExpressions;
using TEAMModelOS.SDK.Models;
using System.Net.Http;

namespace TEAMModelOS.SDK
{
    public class GroupListService
    {


        public static async Task DeleteGrouplistEvent(string  id , string code,string  tbname ,CosmosClient client, IConfiguration _configuration, AzureServiceBusFactory _serviceBus)
        {
            GroupChange change = new GroupChange();
            GroupList groupList = await client.GetContainer(Constant.TEAMModelOS, tbname).ReadItemAsync<GroupList>(id.ToString(), new PartitionKey(code));
            var tleave = groupList.members.FindAll(x => x.type == 1);
            if (tleave.IsNotEmpty())
            {
                if (groupList.type.Equals("research") || groupList.type.Equals("yxtrain"))
                {
                    change.tchleave.AddRange(tleave);
                }
                else
                {
                    change.tmdleave.AddRange(tleave);
                }
            }
            var sleave = groupList.members.FindAll(x => x.type == 2);
            if (sleave.IsNotEmpty())
            {
                change.stuleave.AddRange(sleave);
            }
            change.listid = groupList.id;
            change.scope = groupList.scope;
            change.originCode = $"{code}";
            change.school = groupList.school;
            change.creatorId = groupList.creatorId;
            change.type = groupList.type;
            change.status = "delete";
            if (change.tmdleave.IsNotEmpty() || change.tchleave.IsNotEmpty() || change.stuleave.IsNotEmpty())
            {
                var messageChange = new ServiceBusMessage(change.ToJsonString());
                messageChange.ApplicationProperties.Add("name", "GroupChange");
                var ActiveTask = _configuration.GetValue<string>("Azure:ServiceBus:ActiveTask");
                await _serviceBus.GetServiceBusClient().SendMessageAsync(ActiveTask, messageChange);
            }
            await client.GetContainer(Constant.TEAMModelOS, tbname).DeleteItemStreamAsync(id.ToString(), new PartitionKey(code));
        }

        /// <summary>
        /// 查询名单成员所在的名单列表，
        /// </summary>
        /// <param name="_coreAPIHttpService"></param>
        /// <param name="client"></param>
        /// <param name="_dingDing"></param>
        /// <param name="memberId">成员id </param>
        /// <param name="memberType">成员类型</param>
        /// <param name="school">成员所在的学校 ，可为空</param>
        /// <param name="groupTypes">过滤名单的类型集合，不传则是全部</param>
        /// <returns></returns>
        public static async Task<List<GroupListGrp>> GetMemberInGroupList(CoreAPIHttpService _coreAPIHttpService, CosmosClient client, DingDing _dingDing, string memberId, int memberType, string school,List<string> groupTypes) {

            List<GroupListGrp> groupLists = new List<GroupListGrp>();
            if (groupTypes.IsEmpty() || groupTypes.Contains("class")) {
                if (!string.IsNullOrWhiteSpace(school) && memberType == 2)
                {
                    Student student = null;
                    try
                    {
                        student = await client.GetContainer(Constant.TEAMModelOS, Constant.Student).ReadItemAsync<Student>(memberId, new PartitionKey($"Base-{school}"));
                    }
                    catch (CosmosException ex) when (ex.Status == 404)
                    {
                        return null;
                    }
                    if (!string.IsNullOrWhiteSpace(student.classId))
                    {
                        try
                        {
                            Class clazz = await client.GetContainer(Constant.TEAMModelOS, Constant.School).ReadItemAsync<Class>(student.classId, new PartitionKey($"Class-{school}"));
                            GroupListGrp groupList = new GroupListGrp
                            {
                                id = clazz.id,
                                code = $"GroupList-{clazz.school}",
                                name = clazz.name,
                                periodId = clazz.periodId,
                                pk = "GroupList",
                                year = clazz.year,
                                school = clazz.school,
                                scope = "school",
                                type = "class",
                                no = clazz.no,
                                leader = clazz.teacher?.id,
                            };
                            groupLists.Add(groupList);
                        }
                        catch (CosmosException ex) when (ex.Status == 404)
                        {
                        }
                    }
                }
            }
            string SummarySql = " c.id,c.code,c.name,c.no,c.periodId,c.scope,c.school,c.creatorId,c.type,c.year,c.tcount,c.scount,c.leader ";
            if (groupTypes.IsEmpty() || groupTypes.Contains("teach")) {
                //教学班
                string teachsql="";
                if (!string.IsNullOrWhiteSpace(school) && memberType == 2) {
                    teachsql= $"SELECT distinct {SummarySql} FROM c join  m  in c.members   where c.type='teach' and  m.id='{memberId}' and m.code='{school}' and m.type=2 ";
                }
                if (memberType == 1)
                {
                    teachsql=$"SELECT distinct {SummarySql} FROM c join  m  in c.members   where c.type='teach' and  m.id='{memberId}' and m.type=1 ";
                }
                await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "School").
                    GetItemQueryIterator<GroupList>(queryText: teachsql, requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey($"GroupList-{school}") }))
                {
                    HashSet<string> groupName = item.members.Where(x => !string.IsNullOrEmpty(x.groupName)).Select(y => y.groupName).ToHashSet();
                    groupLists.Add(new GroupListGrp(item, groupName));
                }
                //个人名单
                await foreach (var item in client.GetContainer(Constant.TEAMModelOS, Constant.Teacher).
                    GetItemQueryIterator<GroupList>(queryText: teachsql, requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey($"GroupList") }))
                {
                    HashSet<string> groupName = item.members.Where(x => !string.IsNullOrEmpty(x.groupName)).Select(y => y.groupName).ToHashSet();
                    groupLists.Add(new GroupListGrp(item, groupName));
                }
            }

            if (!string.IsNullOrWhiteSpace(school) && (groupTypes.IsEmpty() || groupTypes.Contains("research")))
            {
                //教研组
                string teachsql = $"SELECT distinct {SummarySql} FROM c join  m  in c.members   where c.type='research' and  m.id='{memberId}' and m.type=1 ";
                await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "School").
                    GetItemQueryIterator<GroupList>(queryText: teachsql, requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey($"GroupList-{school}") }))
                {
                    HashSet<string> groupName = item.members.Where(x => !string.IsNullOrEmpty(x.groupName)).Select(y => y.groupName).ToHashSet();
                    groupLists.Add(new GroupListGrp(item, groupName));
                }
            }
            if (!string.IsNullOrWhiteSpace(school) && (groupTypes.IsEmpty() || groupTypes.Contains("yxtrain")))
            {
                //研修名单
                string teachsql = $"SELECT distinct {SummarySql} FROM c join  m  in c.members   where c.type='yxtrain' and  m.id='{memberId}' and m.type=1 ";
                await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "School").
                    GetItemQueryIterator<GroupList>(queryText: teachsql, requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey($"GroupList-{school}") }))
                {
                    HashSet<string> groupName = item.members.Where(x => !string.IsNullOrEmpty(x.groupName)).Select(y => y.groupName).ToHashSet();
                    groupLists.Add(new GroupListGrp(item, groupName));
                }
            }
            return groupLists;      
        }

        /// <summary>
        ///-1状态异常，0加入成功, 1加入学生或醍摩豆ID为空,2重复加入 ,3不允许跨校加入名单, 4表示个人名单未开放加入
        /// </summary>
        /// <param name="client"></param>
        /// <param name="_stuListNo"></param>
        /// <param name="userid"></param>
        /// <param name="type"></param>
        /// <param name="school"></param>
        /// <returns></returns>
        public static async Task<(int status, GroupList stuList,Member member)> CodeJoinList(CosmosClient client, string _stuListNo, string userid, int type, string school)
        {
            var queryNo = $"SELECT  value(c)  FROM c where  c.no ='{_stuListNo}'";
            (int status, GroupList stuList,Member member) data = (-1, null,null);
            if (!string.IsNullOrEmpty(school))
            {
                await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "School").GetItemQueryIterator<GroupList>(queryText: queryNo,
                requestOptions: new QueryRequestOptions() { PartitionKey = new Azure.Cosmos.PartitionKey($"GroupList-{school}") }))
                {
                    data = JoinList(item, userid, type, school);
                    break;
                }
            }
            await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "Teacher").GetItemQueryIterator<GroupList>(queryText: queryNo,
                          requestOptions: new QueryRequestOptions() { PartitionKey = new Azure.Cosmos.PartitionKey($"GroupList") }))
            {

                if (item.joinLock == 0) {
                    //状态=4 表示未开放加入。
                    return (4, item, null) ;
                }
                data = JoinList(item, userid, type, school);
                break;
            }
            return data;
        }
        public static (int status, GroupList stuList, Member member) JoinList(GroupList stuList, string userid, int type, string school)
        {
            int status = -1;
            if (!string.IsNullOrWhiteSpace(stuList.school) && !string.IsNullOrWhiteSpace(school))
            {
                if (!stuList.school.Equals(school))
                {
                    status = 3;//不允许跨校加入名单
                    return (status, stuList,null);
                }
            }
            string irs = string.Empty;
            List<string> irsOrder = stuList.members.Select(x => x.irs)?.Where(y => !string.IsNullOrEmpty(y) && Regex.IsMatch(y, @"^\d*$")).OrderBy(x => int.Parse(x)).ToList();
            if (!irsOrder.Contains("0"))
            {
                irsOrder.Insert(0, "0");
            }
            if (irsOrder != null)
            {
                if (!irsOrder.Contains("0"))
                {
                    irsOrder.Insert(0, "0");
                }
            }
            else { irsOrder = new List<string>() { "0" }; }
            for (int i = 0; i < irsOrder.Count; i++)
            {
                irs = $"{int.Parse(irsOrder[i]) + 1}";
                int index = i + 1;
                if (index <= irsOrder.Count - 1)
                {
                    if (!irs.Equals(irsOrder[index]))
                    {
                        break;
                    }
                }
            }
            Member member = null;
            if (string.IsNullOrEmpty($"{userid}"))
            {
                //加入学生或醍摩豆ID为空
                status = 1;
            }
            else
            {
                if (type == 1)
                {
                    member = stuList.members.Find(x => x.type == 1 && x.id.Equals(userid));
                    if (member != null)
                    {
                        //重复加入
                        status = 2;
                    }
                    else
                    {
                        //加入成功
                        status = 0;
                        member = new Member { id = userid, type = type, irs = irs, no = irs };
                        stuList.members.Add(member);
                    }
                }
                else if (type == 2)
                {
                    member = stuList.members.Find(x => x.type == 2 && x.id.Equals(userid) && x.code.Equals(school));
                    if (member != null)
                    {
                        //重复加入
                        status = 2;
                    }
                    else
                    {
                        status = 0;
                        member = new Member { id = userid, code = school, type = type, irs = irs, no = irs };
                        stuList.members.Add(member);
                    }
                }
            }
            return (status, stuList, member);
        }

        public static async Task<GroupList> UpsertList(GroupList list, AzureCosmosFactory _azureCosmos, IConfiguration _configuration, AzureServiceBusFactory _serviceBus)
        {
            bool isnew = false;
            var client = _azureCosmos.GetCosmosClient();
            if (string.IsNullOrEmpty(list.id))
            {
                list.id = Guid.NewGuid().ToString();
                isnew = true;
            }
            string tbname = list.scope.Equals("private") ? "Teacher" : "School";
            var tmembers = list.members.Where(x => x.type == 1);
            var smembers = list.members.Where(x => x.type == 2);
            list.scount = smembers.Count();
            list.tcount = tmembers.Count();
            //if (smembers.Count() > 0 && smembers.Select(x => x.code).ToHashSet().Count()>=2) {
            //    //处理移除多个学校的名单，只保留一个学校的。
            //    if (string.IsNullOrWhiteSpace(list.school))
            //    {
            //        HashSet<string> codes = smembers.Select(x => x.code).ToHashSet();
            //        list.school = codes.First();
            //        codes.Remove(codes.First());
            //        list.members.RemoveAll(x => codes.Contains(x.code));
            //    }
            //    else {
            //        list.members.RemoveAll(x => !x.code.Equals(list.school));
            //    }
            //}
            if (string.IsNullOrWhiteSpace(list.school) && smembers.Count() >= 1)
            {
                list.school = smembers.First().code;
            }
            if (!string.IsNullOrWhiteSpace(list.school) && smembers.Count() == 0 && list.scope.Equals("private"))
            {
                list.school = null;
            }
            //学生名单，教研组会触发活动中间表刷新
            if (list.type.Equals("teach") || list.type.Equals("research") || list.type.Equals("yxtrain") || list.type.Equals("activity"))
            {
                GroupChange change = new GroupChange()
                {
                    type = list.type,
                    listid = list.id,
                    scope = list.scope,
                    originCode = list.school,
                    school = list.school,
                    creatorId = list.creatorId
                };
                GroupList oldList = null;
                if (!isnew)
                {
                    try
                    {
                        oldList = await client.GetContainer(Constant.TEAMModelOS, tbname).ReadItemAsync<GroupList>(list.id, new PartitionKey(list.code));
                    }
                    catch (CosmosException)
                    {
                        oldList = null;
                    }
                }
                if (list.members.IsNotEmpty() && (oldList == null || !oldList.members.IsNotEmpty()))
                {
                    //加入的
                    var tmdids = list.members.FindAll(x => x.type == 1);
                    if (tmdids.IsNotEmpty())
                    {
                        if (list.type.Equals("research") || list.type.Equals("yxtrain"))
                        {
                            change.tchjoin.AddRange(tmdids);
                        }
                        else
                        {
                            change.tmdjoin.AddRange(tmdids);
                        }
                    }
                    var stuids = list.members.FindAll(x => x.type == 2);
                    if (stuids.IsNotEmpty())
                    {
                        change.stujoin.AddRange(stuids);
                    }
                }
                else
                {
                    if (list.members.IsNotEmpty())
                    {
                        var tmdids = list.members.FindAll(x => x.type == 1);
                        var oldtmdids = oldList.members.FindAll(x => x.type == 1);

                        //取各自的差集
                        //新=》旧差集，表示新增
                        var jointmdid = tmdids.Select(x => x.id).Except(oldtmdids.Select(y => y.id)).ToList();
                        //旧=》新差集，表示离开
                        var leavetmdid = oldtmdids.Select(x => x.id).Except(tmdids.Select(y => y.id)).ToList();

                        if (list.type.Equals("research") || list.type.Equals("yxtrain"))
                        {
                            change.tchjoin.AddRange(tmdids.Where(x => jointmdid.Exists(y => y.Equals(x.id))));
                            change.tchleave.AddRange(oldtmdids.Where(x => leavetmdid.Exists(y => y.Equals(x.id))));
                        }
                        else
                        {
                            change.tmdjoin.AddRange(tmdids.Where(x => jointmdid.Exists(y => y.Equals(x.id))));
                            change.tmdleave.AddRange(oldtmdids.Where(x => leavetmdid.Exists(y => y.Equals(x.id))));
                        }
                        var stuids = list.members.FindAll(x => x.type == 2);
                        var oldstuids = oldList.members.FindAll(x => x.type == 2);

                        var joinstudent = stuids.Select(x => (x.id, x.code)).Except(oldstuids.Select(y => (y.id, y.code)), new CompareIdCode()).ToList();
                        var leavestudent = oldstuids.Select(x => (x.id, x.code)).Except(stuids.Select(y => (y.id, y.code)), new CompareIdCode()).ToList();

                        change.stujoin.AddRange(stuids.Where(x => joinstudent.Exists(y => y.id.Equals(x.id) && y.code.Equals(x.code))));
                        change.stuleave.AddRange(oldstuids.Where(x => leavestudent.Exists(y => y.id.Equals(x.id) && y.code.Equals(x.code))));
                    }
                    else
                    {
                        //离开的
                        if (oldList != null)
                        {
                            var tmdids = oldList.members.FindAll(x => x.type == 1);
                            if (tmdids.IsNotEmpty())
                            {
                                if (list.type.Equals("research") || list.type.Equals("yxtrain"))
                                {
                                    change.tchleave.AddRange(tmdids);
                                }
                                else
                                {
                                    change.tmdleave.AddRange(tmdids);
                                }
                            }
                            var stuids = oldList.members.FindAll(x => x.type == 2);
                            if (stuids.IsNotEmpty())
                            {
                                change.stuleave.AddRange(stuids);
                            }
                        }
                    }
                }
                if (change.tmdjoin.Count != 0 || change.tmdleave.Count != 0 || change.stujoin.Count != 0 || change.stuleave.Count != 0
                    || change.tchjoin.Count != 0 || change.tchleave.Count != 0)
                {
                    var messageChange = new ServiceBusMessage(change.ToJsonString());
                    messageChange.ApplicationProperties.Add("name", "GroupChange");
                    var ActiveTask = _configuration.GetValue<string>("Azure:ServiceBus:ActiveTask");
                    await _serviceBus.GetServiceBusClient().SendMessageAsync(ActiveTask, messageChange);
                }
            }
            await client.GetContainer(Constant.TEAMModelOS, tbname).UpsertItemAsync(list, new PartitionKey(list.code));
            return list;
        }
        public static async Task<GroupList> CheckListNo(GroupList list, AzureCosmosFactory _azureCosmos, DingDing _dingDing, Option _option)
        {
            try
            {
                var client = _azureCosmos.GetCosmosClient();
                if (string.IsNullOrEmpty(list.no))
                {
                    list.no = $"{Utils.CreatSaltString(6, "123456789")}";
                    for (int i = 0; i < 10; i++)
                    {
                        List<string> noStus = new List<string>();
                        var queryNo = $"SELECT  c.no  FROM c where  c.no ='{list.no}'";
                        if (list.scope.Equals("school"))
                        {
                            await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "School").GetItemQueryStreamIterator(queryText: queryNo,
                                    requestOptions: new QueryRequestOptions() { PartitionKey = new Azure.Cosmos.PartitionKey($"{list.code}") }))
                            {
                                using var jsonNo = await JsonDocument.ParseAsync(item.ContentStream);
                                if (jsonNo.RootElement.TryGetProperty("_count", out JsonElement count) && count.GetUInt16() > 0)
                                {
                                    var accounts = jsonNo.RootElement.GetProperty("Documents").EnumerateArray();
                                    while (accounts.MoveNext())
                                    {
                                        JsonElement account = accounts.Current;
                                        noStus.Add(account.GetProperty("no").GetString());
                                    }
                                }
                            }
                        }
                        await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "Teacher").GetItemQueryStreamIterator(queryText: queryNo,
                                requestOptions: new QueryRequestOptions() { PartitionKey = new Azure.Cosmos.PartitionKey("GroupList") }))
                        {
                            using var jsonNo = await JsonDocument.ParseAsync(item.ContentStream);
                            if (jsonNo.RootElement.TryGetProperty("_count", out JsonElement count) && count.GetUInt16() > 0)
                            {
                                var accounts = jsonNo.RootElement.GetProperty("Documents").EnumerateArray();
                                while (accounts.MoveNext())
                                {
                                    JsonElement account = accounts.Current;
                                    noStus.Add(account.GetProperty("no").GetString());
                                }
                            }
                        }
                        if (noStus.Count == 0)
                        {
                            break;
                        }
                        else
                        {
                            if (i == 9)
                            {
                                string msg = $"OS，{_option.Location}，school/course/upsert-list()\n 编号生成异常，重复生成次数超过10次";
                                await _dingDing.SendBotMsg(msg, GroupNames.醍摩豆服務運維群組);
                                throw new Exception(msg);
                            }
                            else
                            {
                                list.no = $"{Utils.CreatSaltString(6, "123456789")}";
                            }
                        }
                    }
                }

            }
            catch (Exception ex)
            {

            }
            return list;
        }
        public static async Task<List<GroupListDto>> GetGroupListListids(CosmosClient client, DingDing _dingDing, List<string> classes, string school,
            string SummarySql = " c.id,c.code,c.name,c.no,c.periodId,c.scope,c.school,c.creatorId,c.type,c.year,c.tcount,c.scount,c.leader ,c.froms ,c.joinLock ")
        {
            classes.RemoveAll(x => x == null);
            if (!classes.IsNotEmpty()) {
                return null;
            }
            List<GroupListDto> groupLists = null;
            if (classes.Count == 1 && classes.First().Equals("TeacherAll") && !string.IsNullOrEmpty(school))
            {
                //默认的教研组

                GroupListDto groupList = new GroupListDto
                {
                    id = "TeacherAll",
                    name = "TeacherAll",
                    code = $"GroupList-{school}",
                    school = school,
                    scope = "school",
                    type = "yxtrain",
                };
                groupLists = new List<GroupListDto> { groupList };
            }
            else
            {
                Dictionary<string, List<GroupListDto>> groups = new Dictionary<string, List<GroupListDto>>();
                //List<Student> students = new List<Student>();
                string sql = string.Join(",", classes.Select(x => $"'{x}'"));
                if (!string.IsNullOrEmpty(school))
                {
                    List<GroupListDto> schoolList = new List<GroupListDto>();

                    await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "School").GetItemQueryIterator<GroupListDto>(queryText: $"select {SummarySql} from c where c.id in ({sql})",
                            requestOptions: new QueryRequestOptions() { PartitionKey = new Azure.Cosmos.PartitionKey($"GroupList-{school}") }))
                    {
                        schoolList.Add(item);
                    }
                    if (schoolList.IsNotEmpty())
                    {
                        groups.Add("School", schoolList);
                    }
                    //取差集，减少二次搜寻
                    classes = classes.Except(schoolList.Select(y => y.id)).ToList();
                    if (classes.IsNotEmpty())
                    {
                        if (!groupLists.IsNotEmpty())
                        {
                            groupLists = new List<GroupListDto>();
                        }
                        string insql = string.Join(",", classes.Select(x => $"'{x}'"));
                        //搜寻没有关联学生的行政班
                        await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "School").GetItemQueryIterator<GroupListDto>(queryText: 
                            $"select   c.id,c.code,c.name,c.no,c.periodId,c.scope,c.school,c.creatorId,c.type,c.year,c.tcount,c.scount,c.teacher.id as leader from c where c.id in ({insql})",
                                requestOptions: new QueryRequestOptions() { PartitionKey = new Azure.Cosmos.PartitionKey($"Class-{school}") }))
                        {
                            ///行政班（学生搜寻classId动态返回）class
                            GroupListDto group = new GroupListDto
                            {
                                id = item.id,
                                code = $"GroupList-{school}",
                                name = item.name,
                                periodId = item.periodId,
                                scope = "school",
                                school = school,
                                type = "class",
                                year = item.year,
                                leader = item.leader,
                                no = item.no,
                                pk = "GroupList",
                            };
                            groupLists.Add(group);
                        }
                        //取差集，减少二次搜寻
                        classes = classes.Except(groupLists.Select(y => y.id)).ToList();
                    }
                }
                if (classes.IsNotEmpty())
                {
                    List<GroupListDto> privateList = new List<GroupListDto>();
                    sql = string.Join(",", classes.Select(x => $"'{x}'"));
                    await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "Teacher").GetItemQueryIterator<GroupListDto>(queryText: $"select {SummarySql} from c where c.id in ({sql})",
                           requestOptions: new QueryRequestOptions() { PartitionKey = new Azure.Cosmos.PartitionKey($"GroupList") }))
                    {
                        privateList.Add(item);
                        //if (string.IsNullOrWhiteSpace(school))
                        //{
                        //    privateList.Add(item);
                        //}
                        //else
                        //{
                        //    if (!string.IsNullOrWhiteSpace(item.school))
                        //    {
                        //        if (item.school.Equals(school))
                        //        {
                        //            privateList.Add(item);
                        //        }
                        //    }
                        //    else
                        //    {
                        //        privateList.Add(item);
                        //    }
                        //}
                    }
                    if (privateList.IsNotEmpty())
                    {
                        groups.Add("Teacher", privateList);
                    }
                }
                if (groups.Count != 0)

                {
                    if (groupLists.IsNotEmpty())
                    {
                        groupLists.AddRange(groups.SelectMany(x => x.Value).ToList());
                    }
                    else
                    {
                        groupLists = groups.SelectMany(x => x.Value).ToList();
                    }
                }

            }
            return groupLists;
        }
        public static async Task<(List<RMember>, List<RGroupList> groups)> GetStutmdidListids(CoreAPIHttpService _coreAPIHttpService, CosmosClient client, DingDing _dingDing, List<string> classes, string school, List<(string, List<string>)> groupids = null)
        {
            List<RMember> members = new List<RMember>();
            List<RGroupList> groupLists = new List<RGroupList>();
            if (classes != null)
            {
                classes.RemoveAll(x => x == null);
            }
            if (classes == null || classes.Count <= 0)
            {
                return (members, groupLists);
            }
            if (classes.Count == 1 && classes.First().Equals("TeacherAll") && !string.IsNullOrEmpty(school))
            {
                //默认的教研组
                members = new List<RMember>();
                await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "School").GetItemQueryIterator<TmdInfo>(queryText: $"SELECT  c.id,c.name,c.picture  FROM c ", requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey($"Teacher-{school}") }))
                {
                    RMember member = new RMember
                    {
                        id = item.id,
                        name = item.name, 
                        picture = item.picture,
                        type = 1,
                       // nickname=item.name,
                    };
                    members.Add(member);

                }
                RGroupList groupList = new RGroupList
                {
                    id = "TeacherAll",
                    name = "TeacherAll",
                    code = $"GroupList-{school}",
                    school = school,
                    scope = "school",
                    type = "TeacherAll",
                    members = members
                };
                groupLists = new List<RGroupList> { groupList };
            }
            else
            {
                Dictionary<string, List<RGroupList>> groups = new Dictionary<string, List<RGroupList>>();
                List<Student> students = new List<Student>();
                string sql = string.Join(",", classes.Select(x => $"'{x}'"));
                if (!string.IsNullOrEmpty(school))
                {
                    List<RGroupList> schoolList = new List<RGroupList>();
                    string queryText = $"select value(c) from c where c.id in ({sql})";
                    await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "School").GetItemQueryIterator<RGroupList>(queryText: queryText,
                            requestOptions: new QueryRequestOptions() { PartitionKey = new Azure.Cosmos.PartitionKey($"GroupList-{school}") }))
                    {
                        schoolList.Add(item);
                    }
                    if (schoolList.IsNotEmpty())
                    {
                        groups.Add("School", schoolList);
                    }
                    //取差集，减少二次搜寻
                    classes = classes.Except(schoolList.Select(y => y.id)).ToList();
                    if (classes.IsNotEmpty())
                    {
                        sql = string.Join(",", classes.Select(x => $"'{x}'"));
                        await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "Student").GetItemQueryIterator<Student>(queryText: $"select value(c) from c where c.classId in ({sql})",
                            requestOptions: new QueryRequestOptions() { PartitionKey = new Azure.Cosmos.PartitionKey($"Base-{school}") }))
                        {
                            students.Add(item);
                        }
                        //取差集，减少二次搜寻
                        classes = classes.Except(students.Select(y => y.classId)).ToList();
                    }
                    if (classes.IsNotEmpty())
                    {
                        string insql = string.Join(",", classes.Select(x => $"'{x}'"));
                        //搜寻没有关联学生的行政班
                        await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "School")
                            .GetItemQueryIterator<RGroupList>(queryText: $"select  c.id,c.code,c.name,c.no,c.periodId,c.scope,c.school,c.creatorId,c.type,c.year,c.tcount,c.scount,c.teacher.id as leader    from c where c.id in ({insql})",
                                requestOptions: new QueryRequestOptions() { PartitionKey = new Azure.Cosmos.PartitionKey($"Class-{school}") }))
                        {
                            ///行政班（学生搜寻classId动态返回）class
                            List<RMember> smembers = new List<RMember>();
                            RGroupList group = new RGroupList
                            {
                                id = item.id,
                                code = $"GroupList-{school}",
                                name = item.name,
                                periodId = item.periodId,
                                scope = "school",
                                school = school,
                                type = "class",
                                year = item.year,
                                members = smembers,
                                scount = smembers.Count,
                                pk = "GroupList",
                                leader = item.leader,
                                no = item.no,
                            };
                            groupLists.Add(group);
                        }
                        //取差集，减少二次搜寻
                        classes = classes.Except(groupLists.Select(y => y.id)).ToList();
                    }

                }
                if (classes.IsNotEmpty())
                {
                    List<RGroupList> privateList = new List<RGroupList>();
                    sql = string.Join(",", classes.Select(x => $"'{x}'"));
                    await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "Teacher").GetItemQueryIterator<RGroupList>(queryText: $"select value(c) from c where c.id in ({sql})",
                           requestOptions: new QueryRequestOptions() { PartitionKey = new Azure.Cosmos.PartitionKey($"GroupList") }))
                    {
                        privateList.Add(item);
                        //if (string.IsNullOrWhiteSpace(school))
                        //{
                        //    privateList.Add(item);
                        //}
                        //else
                        //{
                        //    if (!string.IsNullOrWhiteSpace(item.school))
                        //    {
                        //        if (item.school.Equals(school))
                        //        {
                        //            privateList.Add(item);
                        //        }
                        //    }
                        //    else
                        //    {
                        //        privateList.Add(item);
                        //    }
                        //}
                    }
                    if (privateList.IsNotEmpty())
                    {
                        groups.Add("Teacher", privateList);
                    }
                }
                foreach (var item in groups)
                {
                    var list = item.Value.GroupBy(x => x.type).Select(y => new { key = y.Key, list = y.ToList() });
                    foreach (var group in list)
                    {
                        (List<RGroupList> rgroups, List<RMember> rmembers) = await GetGroupListMemberInfo(_coreAPIHttpService, client, group.key, group.list, item.Key, _dingDing, school);
                        members.AddRange(rmembers);
                    }
                }
                groupLists.AddRange(groups.SelectMany(x => x.Value).ToList());
                if (students.IsNotEmpty())
                {
                    List<string> sqlList = students.Select(x => x.classId).ToList();
                    string insql = string.Join(",", sqlList.Select(x => $"'{x}'"));
                    await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "School").
                        GetItemQueryIterator<RGroupList>(queryText: $"select c.id,c.code,c.name,c.no,c.periodId,c.scope,c.school,c.creatorId,c.type,c.year,c.tcount,c.scount,c.teacher.id as leader from c where c.id in ({insql})",
                              requestOptions: new QueryRequestOptions() { PartitionKey = new Azure.Cosmos.PartitionKey($"Class-{school}") }))
                    {
                        ///行政班（学生搜寻classId动态返回）class
                        List<RMember> smembers = students.Where(x => x.classId.Equals(item.id))
                            .Select(y => new RMember
                            {
                                id = y.id,
                                code = school,
                                name = y.name,
                                //nickname = y.name,
                                type = 2,
                                picture = y.picture,
                                no = y.no,
                                classId = y.classId,
                                //groupId=y.groupId,
                                groupName = y.groupName,
                                irs = y.irs,
                                
                            }).ToList();
                        members.AddRange(smembers);

                        RGroupList group = new RGroupList
                        {
                            id = item.id,
                            code = $"GroupList-{school}",
                            name = item.name,
                            periodId = item.periodId,
                            scope = "school",
                            school = school,
                            type = "class",
                            year = item.year,
                            members = smembers,
                            scount = smembers.Count,
                            no = item.no,
                            leader = item.leader,
                            pk = "GroupList"
                        };
                        groupLists.Add(group);
                    }
                    //去重。
                    members = members.FindAll(x => x.type == 2).Where((x, i) => members.FindAll(x => x.type == 2).FindIndex(n => n.id.Equals(x.id) && n.code.Equals(x.code)) == i).ToList();
                }
            }
            if (groupids.IsNotEmpty())
            {
                List<RMember> rmembers = new List<RMember>();
                groupLists.ForEach(y => {
                    (string id, List<string> grpids) = groupids.Find(x => x.Item1.Equals(y.id));
                    var gpmember = y.members.FindAll(x => !string.IsNullOrEmpty(x.groupName) && grpids.Contains(x.groupName));
                    if (grpids.Contains("default"))
                    {
                        var gpmemberdft = y.members.FindAll(x => string.IsNullOrWhiteSpace(x.groupName));
                        if (gpmember.IsNotEmpty())
                        {
                            gpmember.AddRange(gpmemberdft);
                        }
                        else
                        {
                            gpmember = gpmemberdft;
                        }
                    }
                    y.members = gpmember;

                });
                var gpgpmembers = groupLists.SelectMany(x => x.members).ToList();
                List<RMember> tmdids = gpgpmembers.FindAll(x => x.type == 1).Where((x, i) => gpgpmembers.FindAll(x => x.type == 1).FindIndex(n => n.id.Equals(x.id)) == i).ToList();
                List<RMember> students = gpgpmembers.FindAll(x => x.type == 2).Where((x, i) => gpgpmembers.FindAll(x => x.type == 2).FindIndex(n => n.id.Equals(x.id) && n.code.Equals(x.code)) == i).ToList();
                if (tmdids.IsNotEmpty())
                {
                    rmembers.AddRange(tmdids);
                }
                if (students.IsNotEmpty())
                {
                    rmembers.AddRange(students);
                }
                return (rmembers, groupLists);
            }
            else
            {
                return (members, groupLists);
            }
        }
        public static async Task<List<RGroupList>> GetGroupListMemberByType(CoreAPIHttpService _coreAPIHttpService, CosmosClient client, string type, List<string> scopes, string school, DingDing _dingDing)
        {
            StringBuilder sql = new StringBuilder($"SELECT distinct value(c) FROM c where c.type='{type}'");

            Dictionary<string, List<RGroupList>> groups = new Dictionary<string, List<RGroupList>>();
            if (scopes.Contains("school"))
            {
                if (!string.IsNullOrEmpty(school))
                {
                    List<RGroupList> groupLists = new List<RGroupList>();
                    await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "School").GetItemQueryIterator<RGroupList>(queryText: sql.ToString(),
                    requestOptions: new QueryRequestOptions() { PartitionKey = new Azure.Cosmos.PartitionKey($"GroupList-{school}") }))
                    {
                        groupLists.Add(item);
                    }
                    groups.Add("School", groupLists);
                }
            }
            else if (scopes.Contains("private"))
            {
                List<RGroupList> groupLists = new List<RGroupList>();
                await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "Teacher").GetItemQueryIterator<RGroupList>(queryText: sql.ToString(),
                        requestOptions: new QueryRequestOptions() { PartitionKey = new Azure.Cosmos.PartitionKey($"GroupList") }))
                {
                    groupLists.Add(item);
                    //if (string.IsNullOrWhiteSpace(school))
                    //{
                    //    groupLists.Add(item);
                    //}
                    //else
                    //{
                    //    if (!string.IsNullOrWhiteSpace(item.school))
                    //    {
                    //        if (item.school.Equals(school))
                    //        {
                    //            groupLists.Add(item);
                    //        }
                    //    }
                    //    else {
                    //        groupLists.Add(item);
                    //    }
                    //}
                }
                groups.Add("Teacher", groupLists);
            }
            foreach (var item in groups)
            {
                var list = item.Value.GroupBy(x => x.type).Select(y => new { key = y.Key, list = y.ToList() });
                foreach (var group in list)
                {
                    (List<RGroupList> rgroups, List<RMember> rmembers) = await GetGroupListMemberInfo(_coreAPIHttpService, client, group.key, group.list, item.Key, _dingDing, school);
                }
            }
            var lists = groups.SelectMany(x => x.Value).ToList();
            return lists;
        }
        public static async Task<(List<RGroupList> groups, List<RMember> members)> GetGroupListMemberInfo(CoreAPIHttpService _coreAPIHttpService, CosmosClient client, string type, List<RGroupList> groups, string groupTbname, DingDing _dingDing, string school)
        {

            try
            {
                HashSet<RGroupList> changes = new HashSet<RGroupList>();
                var members = groups.SelectMany(y => y.members).ToList();
                //去重
                List<RMember> tmdids = members.FindAll(x => x.type == 1).Where((x, i) => members.FindAll(x => x.type == 1).FindIndex(n => n.id.Equals(x.id)) == i).ToList();
                List<RMember> students = members.FindAll(x => x.type == 2).Where((x, i) => members.FindAll(x => x.type == 2).FindIndex(n => n.id.Equals(x.id) && n.code.Equals(x.code)) == i).ToList();
                var stu = students.GroupBy(x => x.code).Select(y => new { key = y.Key, list = y.ToList() });
                List<Student> studentsData = new List<Student>();
                if (stu != null)
                {
                    foreach (var item in stu)
                    {
                        var ids = item.list.Select(x => x.id).ToList();
                        if (ids.IsNotEmpty())
                        {
                            StringBuilder stuSql = new StringBuilder($"SELECT distinct c.name,c.id,c.code,c.picture,c.no,c.irs,c.classId FROM c ");
                            string insql = string.Join(",", ids.Select(x => $"'{x}'"));
                            stuSql.Append($"where  c.id in ({insql})");
                            await foreach (var student in client.GetContainer(Constant.TEAMModelOS, "Student").GetItemQueryIterator<Student>(queryText: stuSql.ToString(),
                                requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey($"Base-{item.key}") }))
                            {
                                student.schoolId = item.key;
                                studentsData.Add(student);
                            }
                        }
                    }
                    var unexist_student = students.Select(x => (x.id, x.code)).Except(studentsData.Select(y => (y.id, y.schoolId)), new CompareIdCode()).ToList();
                    groups.ForEach(x =>
                    {
                        int item = x.members.RemoveAll(y => y.type == 2 && unexist_student.Exists(x => x.id.Equals(y.id) && x.Item2.Equals(y.code)));
                        if (item > 0)
                        {
                            changes.Add(x);
                        }
                    });

                }

                List<TmdUser> tmdsData = new List<TmdUser>();
                if (tmdids.IsNotEmpty())
                {
                    string memberTbname = "";
                    if ($"{type}".Equals("activity"))
                    {
                        var mbers = groups.SelectMany(x => x.members).Where(z => !string.IsNullOrEmpty(z.code));
                        var schoolTeachers = mbers.GroupBy(y => y.code).Select(m => new { key = m.Key, list = m.ToList() });
                        foreach (var schoolTeacher in schoolTeachers)
                        {
                            StringBuilder tmdidSql = new StringBuilder($"SELECT distinct c.name,c.id,c.picture FROM c ");
                            string insql = string.Join(",", schoolTeacher.list.Select(x => $"'{x.id}'"));
                            tmdidSql.Append($" where  c.id in ({insql})");
                            await foreach (var tmd in client.GetContainer(Constant.TEAMModelOS, "School").GetItemQueryIterator<TmdUser>(queryText: tmdidSql.ToString(),
                                       requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey($"Teacher-{schoolTeacher.key}") }))
                            {
                                tmdsData.Add(tmd);
                            }
                        }
                        var unexist_teachers = mbers.Select(x => (x.id, x.code)).Except(tmdsData.Select(y => (y.id, y.code)), new CompareIdCode()).ToList();
                        groups.ForEach(x =>
                        {
                            int item = x.members.RemoveAll(y => y.type == 2 && unexist_teachers.Exists(x => x.id.Equals(y.id) && x.Item2.Equals(y.code)));
                            if (item > 0)
                            {
                                changes.Add(x);
                            }
                        });
                    }
                    else
                    {

                        //处理研修名单，如果是学校老师的，则需要检查SchoolTeacher
                        //处理 学校教研组，学校管理人员，学校任课教师，学校研修名单。
                        if (!string.IsNullOrEmpty(school) && ($"{type}".Equals("yxtrain") || $"{type}".Equals("research") || $"{type}".Equals("manage") || $"{type}".Equals("subject")))
                        {
                            StringBuilder tmdidSql = new StringBuilder($"SELECT distinct c.name,c.id,c.picture FROM c ");
                            string insql = string.Join(",", tmdids.Select(x => $"'{x.id}'"));
                            tmdidSql.Append($" where  c.id in ({insql})");
                            await foreach (var tmd in client.GetContainer(Constant.TEAMModelOS, "School").GetItemQueryIterator<TmdUser>(queryText: tmdidSql.ToString(),
                                       requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey($"Teacher-{school}") }))
                            {
                                tmdsData.Add(tmd);
                            }
                        }
                        else
                        {
                            {
                                StringBuilder tmdidSql = new StringBuilder($"SELECT distinct c.name,c.id,c.picture FROM c ");
                                string insql = string.Join(",", tmdids.Select(x => $"'{x.id}'"));
                                tmdidSql.Append($" where  c.id in ({insql})");
                                memberTbname = "Teacher";
                                await foreach (var tmd in client.GetContainer(Constant.TEAMModelOS, memberTbname).GetItemQueryIterator<TmdUser>(queryText: tmdidSql.ToString(),
                                        requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey($"Base") }))
                                {
                                    tmdsData.Add(tmd);
                                }
                            }

                            {
                                //取差集，减少二次搜寻
                                var tmdidexp = tmdids.Select(x => x.id).Except(tmdsData.Select(y => y.id)).ToList();
                                if (tmdidexp.IsNotEmpty())
                                {
                                    StringBuilder tmdidSql = new StringBuilder($"SELECT distinct c.name,c.id,c.picture FROM c ");
                                    string insql = string.Join(",", tmdidexp.Select(x => $"'{x}'"));
                                    tmdidSql.Append($" where  c.id in ({insql})");

                                    memberTbname = "Student";
                                    await foreach (var tmd in client.GetContainer(Constant.TEAMModelOS, memberTbname).GetItemQueryIterator<TmdUser>(queryText: tmdidSql.ToString(),
                                            requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey($"Base") }))
                                    {
                                        tmdsData.Add(tmd);
                                    }
                                }
                            }
                        }

                        tmdsData = tmdsData.Where((x, i) => tmdsData.FindIndex(n => n.id.Equals(x.id)) == i).ToList();
                        var unexist_tmdid = tmdids.Select(x => x.id).Except(tmdsData.Select(y => y.id)).ToList();
                        groups.ForEach(x =>
                        {
                            int item = x.members.RemoveAll(y => unexist_tmdid.Contains(y.id) && y.type == 1);
                            if (item > 0)
                            {
                                changes.Add(x);
                            }
                        });
                    }
                }

                if (tmdids.IsNotEmpty() && _coreAPIHttpService.check) {
                    ///获取真实的名称 
                    var content = new StringContent(tmdids.Select(x => x.id).ToHashSet().ToJsonString(), Encoding.UTF8, "application/json");
                    string json = null;
                    try
                    {
                        json = await _coreAPIHttpService.GetUserInfos(content);
                        if (!string.IsNullOrWhiteSpace(json))
                        {

                            List<TmdInfo> tmdInfos = json.ToObject<List<TmdInfo>>();
                            if (tmdInfos.IsNotEmpty())
                            {
                                tmdsData.ForEach(y =>
                                {
                                    var tmd = tmdInfos.Find(x => x.id.Equals(y.id));
                                    if (tmd != null)
                                    {
                                        y.name = tmd?.name;
                                        y.picture = tmd?.picture;
                                    }
                                    else
                                    {
                                        groups.ForEach(x =>
                                        {
                                            int item = x.members.RemoveAll(z => z.id.Equals(y.id) && z.type == 1);
                                            if (item > 0)
                                            {
                                                changes.Add(x);
                                            }
                                        });
                                    }
                                });
                            }

                        }
                    }
                    catch (Exception ex)
                    {
                        await _dingDing.SendBotMsg($"{_coreAPIHttpService.options.Get("Default").location}用户转换失败：{_coreAPIHttpService.options.Get("Default").url}{json}\n {ex.Message}\n{ex.StackTrace}{tmdids.Select(x => x.id).ToJsonString()}", GroupNames.醍摩豆服務運維群組);
                    }
                }
               
                tmdids.ForEach(x =>
                {
                    var user = tmdsData.Find(y => y.id.Equals(x.id));
                    x.name = user?.name;
                   // x.nickname = string.IsNullOrWhiteSpace(x.nickname) ? user?.name : x.nickname;
                    x.picture = user?.picture;
                });
                students.ForEach(x =>
                {
                    var student = studentsData.Find(y => y.id.Equals(x.id) && y.schoolId.Equals(x.code));
                    x.name = student?.name;
                   // x.nickname = string.IsNullOrWhiteSpace(x.nickname) ? student?.name:x.nickname;
                    x.picture = student?.picture;
                    x.classId = student?.classId;
                });
                var mbs = tmdids;
                mbs.AddRange(students);
                if (changes.Count > 0 && !string.IsNullOrEmpty(groupTbname))
                {
                    foreach (var change in changes)
                    {
                        change.tcount = change.members.Where(x => x.type == 1).Count();
                        change.scount = change.members.Where(x => x.type == 2).Count();
                        GroupList group = change.ToJsonString().ToObject<GroupList>();
                        await client.GetContainer(Constant.TEAMModelOS, groupTbname).ReplaceItemAsync(group, group.id, new PartitionKey(group.code));
                    }
                }
                groups.ForEach(x => x.members.ForEach(y => {
                    if (y.type == 1)
                    {
                        var tmd = tmdids.Find(t => t.id.Equals(y.id));
                        y.name = tmd?.name;
                        //y.nickname = string.IsNullOrWhiteSpace(y.nickname) ? tmd?.nickname : y.nickname;
                        y.picture = tmd?.picture;
                    }
                    if (y.type == 2)
                    {
                        var student = students.Find(t => t.id.Equals(y.id) && t.code.Equals(y.code));
                        y.name = student?.name;
                      //  y.nickname =  string.IsNullOrWhiteSpace(y.nickname) ? student?.nickname : y.nickname; 
                        y.picture = student?.picture;
                        y.classId = student?.classId;
                    }
                }));

                HashSet<string> schoolCodes = groups.SelectMany(x => x.members).Where(y => !string.IsNullOrEmpty(y.code)).Select(z => z.code).ToHashSet();
                if (schoolCodes != null && schoolCodes.Count > 0)
                {
                    List<School> schools = new List<School>();
                    string insql = $"select c.name,c.id from c where c.id in ({string.Join(",", schoolCodes.Select(x => $"'{x}'"))})";
                    await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "School").GetItemQueryIterator<School>(queryText: insql, requestOptions: new QueryRequestOptions { PartitionKey = new PartitionKey("Base") }))
                    {
                        schools.Add(item);
                    }
                    if (schools.IsNotEmpty())
                    {
                        groups.SelectMany(x => x.members).Where(y => !string.IsNullOrEmpty(y.code)).ToList().ForEach(z => {
                            var school = schools.Find(j => j.id.Equals(z.code));
                            z.schoolName = school?.name;
                        });
                    }
                }
                return (groups, mbs);
            }
            catch (Exception ex)
            {
                await _dingDing.SendBotMsg($"{_coreAPIHttpService.options.Get("Default").location}，GetGroupListMemberInfo()\n{ex.Message}\n{ex.StackTrace}\n", GroupNames.醍摩豆服務運維群組);
            }
            return (null, null);
        }


    }


    public class CompareIdCode : IEqualityComparer<(string id, string code)>
    {
        public bool Equals((string id, string code) x, (string id, string code) y)
        {
            return x.id.Equals(y.id) && x.code.Equals(y.code);
        }

        public int GetHashCode((string id, string code) obj)
        {
            if (obj.id != null && obj.code != null)
            {
                return 1;
            }
            else
            {
                return 0;
            }
        }
    }
}