TEAMModelOS/TEAMModelOS/Controllers/Teacher/InitController.cs

using Azure.Cosmos;
using Azure.Storage.Blobs.Models;
using Azure.Storage.Sas;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Options;
using System;
using System.Collections.Generic;
using System.Dynamic;
using System.IdentityModel.Tokens.Jwt;
using System.IO;
using System.Linq;
using System.Text.Json;
using System.Threading.Tasks;
using TEAMModelOS.Models;
using TEAMModelOS.SDK.Models;
using TEAMModelOS.SDK.DI;
using TEAMModelOS.SDK.Extension;
using TEAMModelOS.Filter;
using TEAMModelOS.SDK.Models.Cosmos;
using HTEXLib.COMM.Helpers;
using TEAMModelOS.SDK.Models.Service;
using Microsoft.Extensions.Configuration;
using System.Net.Http;
using TEAMModelOS.SDK;
using static TEAMModelOS.SDK.Models.Teacher;
using TEAMModelOS.Services;
using Microsoft.AspNetCore.Authorization;
using System.Diagnostics;
using Microsoft.Extensions.Logging;
using System.Text;

namespace TEAMModelOS.Controllers
{
    [ProducesResponseType(StatusCodes.Status200OK)]
    [ProducesResponseType(StatusCodes.Status400BadRequest)]
  
    [Route("teacher/init")]
    [ApiController]
    public class InitController : ControllerBase
    {
        private readonly AzureCosmosFactory _azureCosmos;
        private readonly AzureStorageFactory _azureStorage;
        private readonly DingDing _dingDing;
        private readonly Option _option;
        private readonly IConfiguration _configuration;
        private readonly NotificationService _notificationService;
        private readonly CoreAPIHttpService _coreAPIHttpService;
        private readonly IPSearcher _searcher;
        private readonly ILogger<InitController> _logger;

        public InitController(ILogger<InitController> logger,IPSearcher searcher, CoreAPIHttpService coreAPIHttpService,AzureCosmosFactory azureCosmos, AzureStorageFactory azureStorage, DingDing dingDing, IOptionsSnapshot<Option> option, IConfiguration configuration, NotificationService notificationService)
        {
            _searcher = searcher;
            _azureCosmos = azureCosmos;
            _azureStorage = azureStorage;
            _dingDing = dingDing;
            _option = option?.Value;
            _configuration = configuration;
            _notificationService = notificationService;
            _coreAPIHttpService = coreAPIHttpService;
            _logger = logger;
        }
        /// <summary>
        /// 修改教师信息
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        [ProducesDefaultResponseType]
        [HttpPost("GetUserInfo")]
        //[Authorize(Roles = "IES")]
        public async Task<IActionResult> GetUserInfo(JsonElement request) {
            if (!request.TryGetProperty("key", out JsonElement key)) return BadRequest();
           
            var location = _option.Location;
            //https://api2-rc.teammodel.cn
           CoreUser core = await _coreAPIHttpService.GetUserInfo(new Dictionary<string, string>()
                {      { "key",$"{key}" }
                }, location,_configuration
               );
            if (core != null) {
                var clientID = _configuration.GetValue<string>("HaBookAuth:CoreService:clientID");
                TmdidImplicit tmdidImplicit = await _coreAPIHttpService.Implicit(new Dictionary<string, string> {   { "grant_type", "implicit" },
                                        { "client_id",clientID },
                                        { "account",core.id },
                                        { "nonce",Guid.NewGuid().ToString()} }, _option.Location, _configuration);
                if (tmdidImplicit != null && !string.IsNullOrEmpty(tmdidImplicit.id_token))
                {
                    return Ok(new { coreUser = core, tmdidImplicit });
                }
            }
            return Ok(new { coreUser = core });
           
        }
        


        /// <summary>
        /// 修改教师信息
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        [ProducesDefaultResponseType]
        [HttpPost("set-teacher-info")]
        [AuthToken(Roles = "admin,teacher,area")]
        [Authorize(Roles = "IES")]
        public async Task<IActionResult> SetTeacherInfo(JsonElement request)
        {
            var client = _azureCosmos.GetCosmosClient();

            if (!request.TryGetProperty("opt", out JsonElement _opt))
            {
                return BadRequest();
            }
            var (userid, name, _, school) = HttpContext.GetAuthTokenInfo();
            try
            {
                Teacher teacher = await client.GetContainer(Constant.TEAMModelOS, "Teacher").ReadItemAsync<Teacher>(userid, new PartitionKey("Base"));
                switch (true)
                {
                        //修改默认学校
                    case bool when $"{_opt}".Equals("UpdateDefaultSchool", StringComparison.OrdinalIgnoreCase) && (request.TryGetProperty("defaultSchool", out JsonElement _defaultSchool)):
                        if (teacher.schools.Select(x => x.schoolId).Contains($"{_defaultSchool}") && !string.IsNullOrEmpty($"{_defaultSchool}"))
                        {
                            teacher.defaultSchool = $"{_defaultSchool}";
                            await client.GetContainer(Constant.TEAMModelOS, "Teacher").ReplaceItemAsync<Teacher>(teacher, userid, new PartitionKey("Base"));
                            return Ok(new { teacher, status = 1 });
                        }
                        else
                        {
                            return BadRequest(new { status = -1, msg = "您未加入该学校！" });
                        }
                    //修改教师的最大课例保存数量
                    case bool when $"{_opt}".Equals("UpdateLessonLimit", StringComparison.OrdinalIgnoreCase) && (request.TryGetProperty("lessonLimit", out JsonElement _lessonLimit)):
                        teacher.lessonLimit = int.Parse($"{_lessonLimit}");
                        await client.GetContainer(Constant.TEAMModelOS, "Teacher").ReplaceItemAsync<Teacher>(teacher, userid, new PartitionKey("Base"));
                        return Ok(new { teacher, status = 1 });
                    //修改教师设置自动将课例发布给谁的设置
                    case bool when $"{_opt}".Equals("UpdateLessonShow", StringComparison.OrdinalIgnoreCase) && (request.TryGetProperty("lessonShow", out JsonElement _lessonShow)):
                        teacher.lessonShow = _lessonShow.Deserialize<List<string>>();
                        await client.GetContainer(Constant.TEAMModelOS, "Teacher").ReplaceItemAsync<Teacher>(teacher, userid, new PartitionKey("Base"));
                        return Ok(new { teacher, status = 1 });
                    //设置教师的科目信息
                    case bool when $"{_opt}".Equals("SetTeacherSubject", StringComparison.OrdinalIgnoreCase) && request.TryGetProperty("targerTecher", out JsonElement _targetTecher) 
                        && request.TryGetProperty("subjectIds", out JsonElement _subjectIds):
                        if (_subjectIds.ValueKind.Equals(JsonValueKind.Array))
                        {

                            if (_targetTecher.ValueKind.Equals(JsonValueKind.Array))
                            {
                                List<string> targetTechers = _targetTecher.ToObject<List<string>>();
                                List<SchoolTeacher> schoolTeachers = new List<SchoolTeacher>();
                                foreach (string targetTecher in targetTechers) {
                                    try
                                    {
                                        SchoolTeacher schoolTeacher = await client.GetContainer(Constant.TEAMModelOS, "School").ReadItemAsync<SchoolTeacher>($"{targetTecher}", new PartitionKey($"Teacher-{school}"));
                                        schoolTeacher.subjectIds = _subjectIds.ToObject<List<string>>();
                                        await client.GetContainer(Constant.TEAMModelOS, "School").ReplaceItemAsync<SchoolTeacher>(schoolTeacher, $"{targetTecher}", new PartitionKey($"Teacher-{school}"));
                                        schoolTeachers.Add(schoolTeacher);
                                    }
                                    catch (Exception ex) {
                                        await _dingDing.SendBotMsg($"IES5，{_option.Location}，Teacher/init/set-teacher-info:SetTeacherSubject()\n{ex.Message}{ex.StackTrace}{request.ToJsonString()}-{targetTecher}", GroupNames.醍摩豆服務運維群組);
                                    }
                                }
                                return Ok(new { status = 1, schoolTeachers });
                            }
                            else {
                                try
                                {
                                    SchoolTeacher schoolTeacher = await client.GetContainer(Constant.TEAMModelOS, "School").ReadItemAsync<SchoolTeacher>($"{_targetTecher}", new PartitionKey($"Teacher-{school}"));
                                    schoolTeacher.subjectIds = _subjectIds.ToObject<List<string>>();
                                    await client.GetContainer(Constant.TEAMModelOS, "School").ReplaceItemAsync<SchoolTeacher>(schoolTeacher, $"{_targetTecher}", new PartitionKey($"Teacher-{school}"));
                                    return Ok(new { status = 1, schoolTeacher });
                                }
                                catch (Exception ex)
                                {
                                    await _dingDing.SendBotMsg($"IES5，{_option.Location}，Teacher/init/set-teacher-info:SetTeacherSubject()\n{ex.Message}{ex.StackTrace}{request.ToJsonString()}", GroupNames.醍摩豆服務運維群組);
                                    return Ok(new { error = -1, msg = "设置失败" });
                                }

                            }
                        }
                        else {
                            return Ok(new { error = -1, msg = "设置失败" });
                        }
                        ///移交管理员
                    case bool when $"{_opt}".Equals("TransferAdminRole", StringComparison.OrdinalIgnoreCase) && (request.TryGetProperty("targerTecher", out JsonElement _targetTecher)):
                        if (!string.IsNullOrEmpty(school) && !string.IsNullOrEmpty($"{_targetTecher}"))
                        {
                            SchoolTeacher schoolTeacher = await client.GetContainer(Constant.TEAMModelOS, "School").ReadItemAsync<SchoolTeacher>(userid, new PartitionKey($"Teacher-{school}"));
                            if (schoolTeacher.roles.IsNotEmpty() && schoolTeacher.roles.Contains("admin"))
                            {
                                schoolTeacher.roles.Remove("admin");
                                SchoolTeacher newSchoolTeacher = await client.GetContainer(Constant.TEAMModelOS, "School").ReadItemAsync<SchoolTeacher>($"{_targetTecher}", new PartitionKey($"Teacher-{school}"));
                                if (!newSchoolTeacher.roles.Contains("admin"))
                                {
                                    newSchoolTeacher.roles.Add("admin");
                                    newSchoolTeacher = await client.GetContainer(Constant.TEAMModelOS, "School").ReplaceItemAsync<SchoolTeacher>(newSchoolTeacher, $"{_targetTecher}", new PartitionKey($"Teacher-{school}"));
                                }
                                await client.GetContainer(Constant.TEAMModelOS, "School").ReplaceItemAsync<SchoolTeacher>(schoolTeacher, userid, new PartitionKey($"Teacher-{school}"));
                                string code = "transfer-admin";
                                School schoolBase = await client.GetContainer(Constant.TEAMModelOS, "School").ReadItemAsync<School>(school, new PartitionKey($"Base"));
                                Notification notification = new Notification
                                {
                                    hubName = "hita",
                                    type = "msg",
                                    from = $"ies5:{_option.Location}:{school}",
                                    to = new List<string> { $"{_targetTecher}" },
                                    label = $"{code}_school",
                                    body = new { location = _option.Location, biz = code, tmdid = userid, tmdname = name, schoolcode = $"{school}", schoolname = $"{schoolBase.name}", status = 1, time = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds() }.ToJsonString(),
                                    expires = DateTimeOffset.UtcNow.AddDays(7).ToUnixTimeSeconds()
                                };

                                if (notification != null)
                                {
                                    var url = _configuration.GetValue<string>("HaBookAuth:CoreService:sendnotification");
                                    var clientID = _configuration.GetValue<string>("HaBookAuth:CoreService:clientID");
                                    var clientSecret = _configuration.GetValue<string>("HaBookAuth:CoreService:clientSecret");
                                    var location = _option.Location;
                                    await _notificationService.SendNotification(clientID, clientSecret, location, url, notification);
                                }
                                _ = _azureStorage.SaveLog("transfer-admin-role", new { request,userid,name,school,schoolName=schoolBase.name, targetTecher=_targetTecher, }.ToJsonString(),bizId:$"{userid}-{schoolBase.id}-{_targetTecher}", httpContext: HttpContext, dingDing: _dingDing, scope: "school");
                                return Ok(new { status = 1 });
                            }
                            else
                            {
                                return BadRequest(new { status = -1, msg = "当前登录账号没有admin权限" });
                            }
                        }
                        else
                        {
                            return BadRequest(new { status = -1, msg = "参数异常！" });
                        }

                }
            }
            catch (Exception ex)
            {
                await _dingDing.SendBotMsg($"IES5，{_option.Location}，Teacher/init/set-teacher-info()\n{ex.Message}{ex.StackTrace}{request.ToJsonString()}", GroupNames.醍摩豆服務運維群組);
                return BadRequest("teacher not exist");

            }
            return BadRequest();

        }
        //TODO 此API需處理對應前端返回的相關數據
        [ProducesDefaultResponseType]
        [Authorize(Roles = "IES")]
        [HttpPost("get-teacher-info")]
        public async Task<IActionResult> GetTeacherInfo(JsonElement request)
        {
            if (!request.TryGetProperty("id_token", out JsonElement id_token)) return BadRequest();
            var jwt = new JwtSecurityToken(id_token.GetString());
            //TODO 此驗證IdToken先簡單檢查，後面需向Core ID新API，驗證Token
            var id = jwt.Payload.Sub;
            jwt.Payload.TryGetValue("name", out object name);
            jwt.Payload.TryGetValue("picture", out object picture);
            try
            {
               
                Teacher teacher = null;
                TeacherInfo teacherInfo= await TeacherService.TeacherInfo(_azureCosmos, teacher, $"{name}", $"{picture}", id, _azureStorage, _option);
                teacherInfo.areas.ForEach(x => { if (x.setting != null) { x.setting.accessConfig=x.setting.accessConfig; } });
                LoginLog(id, $"{name}", 200);
                int lessonLimit = teacherInfo.teacher.lessonLimit;
                if (teacherInfo.teacher.lessonLimit == 0)
                {
                    //未设置的的采用系统设置的默认值30
                    lessonLimit = Constant.private_lesson_limit;
                }
                return Ok(new { location = _option.Location, teacherInfo. auth_token, teacherInfo. blob_uri, teacherInfo.blob_sas, teacherInfo.schools, teacherInfo.defaultschool, teacherInfo. courses,
                    teacherInfo.total,
                    teacherInfo.osblob_uri,
                    teacherInfo.osblob_sas,
                    teacherInfo.tsize, status = 200,
                    teacherInfo. areas ,
                    lessonLimit,
                    teacherInfo.teacher.lessonShow
                });
            }
            catch (CosmosException ex)
            {
                LoginLog(id, $"{name}", 500);
                await _dingDing.SendBotMsg($"IES5，{_option.Location}，Teacher/GetTeacherInfo()\n{ex.Message}{ex.StackTrace}", GroupNames.醍摩豆服務運維群組);
                return BadRequest();
            }
            catch (Exception ex)
            {
                LoginLog(id, $"{name}", 500);
                _ = _dingDing.SendBotMsg($"IES5，{_option.Location}，Teacher/GetTeacherInfo()\n{ex.Message}{ex.StackTrace}", GroupNames.醍摩豆服務運維群組);
                return BadRequest();
            }
        }


        private   async void LoginLog(string id, string name, int status) {
            HttpContext.Request.Headers.TryGetValue("referer", out var referer);
            HttpContext.Request.Headers.TryGetValue("sec-ch-ua", out var chua);
            HttpContext.Request.Headers.TryGetValue("sec-ch-ua-platform", out var platform);
            HttpContext.Request.Headers.TryGetValue("user-agent", out var useragent);
       
            var IpPort = HttpContext.Request.Headers["X-Forwarded-For"].FirstOrDefault();
            if (string.IsNullOrEmpty(IpPort))
            {
                IpPort = HttpContext.Connection.RemoteIpAddress.ToString();
            }
            if (IpPort.Contains("::")) 
            {
                IpPort = "127.0.0.1";
            }
            string ip = IpPort.Split(":")[0];
            string region= await _searcher.SearchIpAsync(ip);
          
            if (status == 200)
            {
                string msg = $"{_option.Location} -- {name}({id}):Login Succeed! --Time:{DateTimeOffset.UtcNow.ToString("yyyy-MM-dd HH:mm:ss")} " +
                    $"--Browser Info( --referer:{referer}  --sec-ch-ua:{chua}  --sec-ch-ua-platform:{platform}  --user-agent:{useragent}  --ip:{IpPort} --region:{region} )";
                _logger.LogInformation(msg);
            }
            else
            {
                string msg = $"{_option.Location} -- {name}({id}):Login Failed! --Time:{DateTimeOffset.UtcNow.ToString("yyyy-MM-dd HH:mm:ss")} " +
                         $"--Browser Info( --referer:{referer}  --sec-ch-ua:{chua}  --sec-ch-ua-platform:{platform}  --user-agent:{useragent}  --ip:{IpPort} --region:{region} )";
                _ = _dingDing.SendBotMsg($"IES5，{_option.Location}，{msg}",GroupNames.醍摩豆服務運維群組);
                _logger.LogError(msg);
            }
            
        }
        //TODO 此API需處理對應前端返回的相關數據
        [ProducesDefaultResponseType]
        [Authorize(Roles = "IES")]
        [HttpPost("get-school-info")]
        public async Task<IActionResult> GetSchoolInfo(JsonElement request)
        {
            try
            {
                if (!request.TryGetProperty("id_token", out JsonElement id_token)) return BadRequest();
                if (!request.TryGetProperty("school_code", out JsonElement _school_code)) return BadRequest();
                string school_code = $"{_school_code}";
                var jwt = new JwtSecurityToken(id_token.GetString());
                var id = jwt.Payload.Sub;

                var client = _azureCosmos.GetCosmosClient();

                //權限token
                jwt.Payload.TryGetValue("name", out object name);
                jwt.Payload.TryGetValue("picture", out object picture);
                List<string> roles = new List<string>();
                List<string> permissions = new List<string>();
                int size = 0;
                Teacher teacher = await client.GetContainer(Constant.TEAMModelOS, "Teacher").ReadItemAsync<Teacher>(id, new PartitionKey("Base"));
                List<AreaDto> areas = new List<AreaDto>();
                HashSet<string> areaIds = new HashSet<string>();
                if (teacher.areas.IsNotEmpty())
                {
                    teacher.areas.ForEach(x => {
                        areaIds.Add(x.areaId);
                    });
                }
                if (teacher.schools.IsNotEmpty())
                {
                    teacher.schools.ForEach(x => {
                        if (!string.IsNullOrEmpty(x.areaId)) {
                            areaIds.Add(x.areaId);
                        }
                        
                    });
                }
                List<Area> areasDbs = new List<Area>();
                List<AreaSetting> areaSettings = new List<AreaSetting>();
                if (areaIds.Count > 0)
                {
                    string queryText = $"select value(c) from c where c.id in ({string.Join(",", areaIds.Select(x => $"'{x}'"))})";
                    await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "Normal").GetItemQueryIterator<Area>(queryText: queryText, requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey("Base-Area") }))
                    {
                        areasDbs.Add(item);
                    }
                    await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "Normal").GetItemQueryIterator<AreaSetting>(queryText: queryText, requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey("AreaSetting") }))
                    {
                        areaSettings.Add(item);
                    }
                }
                if (teacher.areas.IsNotEmpty()) {
                    foreach (var areat in teacher.areas)
                    {
                         
                        Area area = areasDbs.Find(x => x.id.Equals(areat.areaId));
                        AreaSetting setting = null;
                        if (area != null)
                        {
                            setting = areaSettings.Find(x => x.id.Equals(areat.areaId));
                        }

                        int access = 0;
                        if (setting != null && !string.IsNullOrWhiteSpace(setting.accessConfig))
                        {
                            access = 1;
                        }
                        //if (setting != null)
                        //{
                        //    setting.accessConfig = null;
                        //}
                        areas.Add(new AreaDto { areaId = area.id, name = area.name, standard = area.standard, standardName = area.standardName, setting= setting, access = access });
                    }
                }
                if (school_code.Equals(teacher.defaultSchool) && teacher.schools.IsNotEmpty() && !teacher.schools.Select(x => x.schoolId).Contains(school_code))
                {
                    school_code = teacher.schools[0].schoolId;
                    teacher.defaultSchool = school_code;
                    teacher = await client.GetContainer(Constant.TEAMModelOS, "Teacher").ReplaceItemAsync<Teacher>(teacher, id, new PartitionKey("Base"));
                }
                var response = await client.GetContainer(Constant.TEAMModelOS, "School").ReadItemStreamAsync(id, new PartitionKey($"Teacher-{school_code}"));
                if (response.Status == 200)
                {
                    using var json = await JsonDocument.ParseAsync(response.ContentStream);
                    if (json.RootElement.TryGetProperty("size", out JsonElement _size) && _size.ValueKind == JsonValueKind.Number)
                    {
                        size = _size.GetInt32();
                    }
                    if (json.RootElement.TryGetProperty("roles", out JsonElement _roles) && _roles.ValueKind != JsonValueKind.Null)
                    {
                        foreach (var obj in _roles.EnumerateArray())
                        {
                            roles.Add(obj.GetString());
                        }
                    }
                    if (json.RootElement.TryGetProperty("permissions", out JsonElement _permissions) && _permissions.ValueKind != JsonValueKind.Null)
                    {
                        foreach (var obj in _permissions.EnumerateArray())
                        {
                            permissions.Add(obj.GetString());
                        }
                    }
                }
                else //無此學校資料
                {

                }
                if (roles.Count == 0)
                {
                    //助理，管家
                    //roles.Add("assist");
                    roles.Add("teacher");
                }
                //TODO JJ，调整为取得学校基础设置数据，取代下方學校學制、年級

                School school_base = await client.GetContainer(Constant.TEAMModelOS, "School").ReadItemAsync<School>($"{school_code}", new PartitionKey("Base"));
                foreach (var period in school_base.period)
                {
                    try
                    {
                        await client.GetContainer(Constant.TEAMModelOS, "School").ReadItemAsync<ItemCond>($"{period.id}", new PartitionKey($"ItemCond-{school_code}"));
                    }
                    catch (CosmosException)
                    {
                        ItemCond itemCond = new ItemCond
                        {
                            id = period.id,
                            pk = "ItemCond",
                            code = $"ItemCond-{school_code}",
                            ttl = -1,
                        };
                        try {
                            await client.GetContainer(Constant.TEAMModelOS, "School").CreateItemAsync<ItemCond>(itemCond, new PartitionKey($"ItemCond-{school_code}"));
                        } catch (CosmosException ex) when(ex.Status==409) {
                            continue;
                        }
                    }
                }
                dynamic currArea = new ExpandoObject();
                if (!string.IsNullOrEmpty(school_base.areaId)) {
                    try
                    {
                        Area area = areasDbs.Find(x => x.id.Equals(school_base.areaId));
                        AreaSetting setting = null;
                        if (area != null) {
                            //setting =await client.GetContainer(Constant.TEAMModelOS, "Normal").ReadItemAsync<AreaSetting>(school_base.areaId, new PartitionKey("AreaSetting"));
                            setting = areaSettings.Find(x => x.id.Equals(school_base.areaId));
                        }
                        
                        int access = 0;
                        AccessConfig accessConfig = null;
                        if (setting != null && !string.IsNullOrWhiteSpace(setting.accessConfig))
                        {
                            access = 1;
                            accessConfig =setting.accessConfig.ToObject<AccessConfig>();
                        }
                        //if (setting!=null&& !string.IsNullOrEmpty(setting.accessConfig)) {
                        //    setting.accessConfig = null;
                        //}
                        currArea = new   
                        {
                            areaId = area?.id, 
                            name = area?.name, 
                            standard = area?.standard, 
                            standardName = area?.standardName, 
                            setting = setting, 
                            access = access,
                            //submitType=accessConfig?.submitType,
                            homeworkType = accessConfig!=null && accessConfig.homeworkType.IsNotEmpty()?accessConfig.homeworkType:new List<string> { "pdf"}, 
                        };
                    }
                    catch (CosmosException)
                    {
                        //数据库捞不到数据
                        
                    }
                }
                if (areas.Count > 0)
                {
                    roles.Add("area");
                }
                //TODO JJ，更新Token时，在取得学校资讯时，没有传入schoolId
                var auth_token = JwtAuthExtension.CreateAuthToken(_option.HostName, id, name?.ToString(), picture?.ToString(), _option.JwtSecretKey, Website: "IES", scope: Constant.ScopeTeacher, schoolID: school_code.ToString(), standard: school_base.standard, roles: roles.ToArray(), permissions: permissions.ToArray());

                //取得班级
                List<object> school_classes = new List<object>();
                await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "School").GetItemQueryStreamIterator
                    (queryText: $"SELECT c.id,c.x,c.y,c.name,c.year,c.teacher,c.periodId,c.gradeId,c.room,c.sn,c.no,c.style,c.status,c.openType,c.school, ARRAY_LENGTH(c.students) AS studCount FROM c", 
                    requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey($"Class-{school_code}") }))
                {
                    var jsonc = await JsonDocument.ParseAsync(item.ContentStream);
                    foreach (var classeinfo in jsonc.RootElement.GetProperty("Documents").EnumerateArray())
                    {
                        school_classes.Add(classeinfo.ToObject<object>());
                    }
                }
                //取得教室
                List<Room> school_rooms = new List<Room>();
                await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "School").GetItemQueryIterator<Room>(queryText: $"select value(c) from c ",
                requestOptions: new QueryRequestOptions() { PartitionKey = new Azure.Cosmos.PartitionKey($"Room-{school_code}") }))
                {
                    school_rooms.Add(item);
                }
                //該老師排定的學校課程
                List<object> school_courses = new List<object>();
                var query = $"SELECT distinct value(c) FROM c JOIN A1 IN c.schedule where A1.teacherId='{id}'";
                await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "School").GetItemQueryStreamIterator(queryText: query, requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey($"Course-{school_code}") }))
                {
                    using var json = await JsonDocument.ParseAsync(item.ContentStream);
                    if (json.RootElement.TryGetProperty("_count", out JsonElement count) && count.GetUInt16() > 0)
                    {
                        foreach (var obj in json.RootElement.GetProperty("Documents").EnumerateArray())
                        {
                            school_courses.Add(obj.ToObject<object>());
                        }
                    }
                }
                List<SchoolProductSumData> serials = new List<SchoolProductSumData>();
                List<SchoolProductSumData> services = new List<SchoolProductSumData>();
                Azure.Response productSumResponse = await client.GetContainer(Constant.TEAMModelOS, "School").ReadItemStreamAsync(school_code, new PartitionKey("ProductSum"));
                if (productSumResponse.Status == 200) {
                    var doc= JsonDocument.Parse(productSumResponse.Content);
                    if (doc.RootElement.TryGetProperty("serial", out JsonElement serial)) {
                        serials = serial.ToObject<List<SchoolProductSumData>>();                  
                    }
                    if (doc.RootElement.TryGetProperty("service", out JsonElement service))
                    {
                        services = service.ToObject<List<SchoolProductSumData>>();
                    }
                }
                //校本課綱 [式樣未定 先不取]
                
                //取得School Blob 容器位置及SAS
                string school_code_blob = school_code.ToLower();
                var container = _azureStorage.GetBlobContainerClient(school_code_blob);
                await container.CreateIfNotExistsAsync(PublicAccessType.None); //嘗試創建School容器，如存在則不做任何事，保障容器一定存在
                var (blob_uri, blob_sas) = (roles.Contains("admin") || permissions.Contains("schoolAc-upd")) ? _azureStorage.GetBlobContainerSAS(school_code_blob, BlobContainerSasPermissions.Write | BlobContainerSasPermissions.Read | BlobContainerSasPermissions.List | BlobContainerSasPermissions.Delete) : _azureStorage.GetBlobContainerSAS(school_code_blob, BlobContainerSasPermissions.Read | BlobContainerSasPermissions.List | BlobContainerSasPermissions.Write);
                ///https://teammodelstorage.blob.core.chinacloudapi.cn/teammodelos
                var (osblob_uri, osblob_sas) = roles.Contains("area") ? _azureStorage.GetBlobContainerSAS("teammodelos", BlobContainerSasPermissions.Write | BlobContainerSasPermissions.Read | BlobContainerSasPermissions.List | BlobContainerSasPermissions.Delete) : _azureStorage.GetBlobContainerSAS("teammodelos", BlobContainerSasPermissions.Read | BlobContainerSasPermissions.List);
                areas.ForEach(x => { { if (x.setting != null) { x.setting.accessConfig = x.setting.accessConfig; } } });

                int lessonLimit =teacher.lessonLimit;
                if (teacher.lessonLimit == 0)
                {
                    //未设置的的采用系统设置的默认值30
                    lessonLimit = Constant.private_lesson_limit;
                }
                return Ok(new { auth_token, blob_uri, blob_sas, school_base, 
                    school_courses,  school_classes, school_rooms, size, 
                    osblob_uri, osblob_sas, status = 200, areas , currArea , 
                    lessonLimit,
                    teacher.lessonShow,
                    productSum = new {
                        serial = serials,
                        service= services
                    } });
            }
            catch (CosmosException ex)
            {
                HttpContext.Request.Headers.TryGetValue("referer", out var referer);
                HttpContext.Request.Headers.TryGetValue("sec-ch-ua", out var chua);
                HttpContext.Request.Headers.TryGetValue("sec-ch-ua-platform", out var platform);
                HttpContext.Request.Headers.TryGetValue("user-agent", out var useragent);
                await _dingDing.SendBotMsg($"IES5，{_option.Location}，Teacher/init/get-school-info()\n{ex.Message}{ex.StackTrace}\n{request.ToJsonString()}\nreferer:{referer}\nsec-ch-ua:{chua}\nsec-ch-ua-platform:{platform}\nuser-agent:{useragent}", GroupNames.醍摩豆服務運維群組);
                return BadRequest(new { status = ex.Status });
            }
            catch (Exception ex)
            {
                HttpContext.Request.Headers.TryGetValue("referer", out var referer);
                HttpContext.Request.Headers.TryGetValue("sec-ch-ua", out var chua);
                HttpContext.Request.Headers.TryGetValue("sec-ch-ua-platform", out var platform);
                HttpContext.Request.Headers.TryGetValue("user-agent", out var useragent);
                await _dingDing.SendBotMsg($"IES5，{_option.Location}，Teacher/init/get-school-info()\n{ex.Message}{ex.StackTrace}\n{request.ToJsonString()}\nreferer:{referer}\nsec-ch-ua:{chua}\nsec-ch-ua-platform:{platform}\nuser-agent:{useragent}", GroupNames.醍摩豆服務運維群組);
                return BadRequest(new { status = 500 });
            }
        }

        /// <summary>
        /// 取得學校所有列表
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        [ProducesDefaultResponseType]
        //[AuthToken(Roles = "teacher")]
        [HttpPost("get-school-list")]
        public async Task<IActionResult> GetSchoolList(JsonElement request)
        {
            try
            {
                //輸入值
                string sqlSchoolId = (request.TryGetProperty("schoolId", out JsonElement reqSchoolId)) ? reqSchoolId.GetString() : string.Empty;
                bool sqlHasManager = (request.TryGetProperty("manager", out JsonElement reqHasManager)) ? reqHasManager.GetBoolean() : false;
                bool sqlHasMBaseModule = (request.TryGetProperty("base", out JsonElement reqHasBaseModule)) ? reqHasBaseModule.GetBoolean() : false;

                var client = _azureCosmos.GetCosmosClient();
                //有管理者的學校
                Dictionary<string, List<Dictionary<string, string>>> managerSchDic = new Dictionary<string, List<Dictionary<string, string>>>();
                string managerWhereOption = (!string.IsNullOrWhiteSpace(sqlSchoolId)) ? $" AND c.code = 'Teacher-{sqlSchoolId}'" : string.Empty;
                string managerSql = $"SELECT DISTINCT REPLACE(c.code, 'Teacher-', '') AS schoolId, c.id, c.name FROM c WHERE ARRAY_CONTAINS(c.roles, 'admin', true) AND c.pk = 'Teacher' AND c.status = 'join'{managerWhereOption}";
                await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "School").GetItemQueryStreamIterator(queryText: managerSql, requestOptions: new QueryRequestOptions() { }))
                {
                    using var json = await JsonDocument.ParseAsync(item.ContentStream);
                    foreach (var obj in json.RootElement.GetProperty("Documents").EnumerateArray())
                    {
                        string id = obj.GetProperty("id").GetString(); //管理者ID
                        string name = obj.GetProperty("name").GetString(); //管理者姓名
                        string schoolId = obj.GetProperty("schoolId").GetString(); //學校ID
                        Dictionary<string, string> managerDic = new Dictionary<string, string>();
                        managerDic.Add("id", id);
                        managerDic.Add("name", name);
                        if (managerSchDic.ContainsKey(schoolId))
                        {
                            managerSchDic[schoolId].Add(managerDic);
                        }
                        else
                        {
                            List<Dictionary<string, string>> managerList = new List<Dictionary<string, string>>();
                            managerList.Add(managerDic);
                            managerSchDic.Add(schoolId, managerList);
                        }
                    }
                }
                //有管理模組的學校
                List<string> baseModuleSchList = new List<string>();
                string baseModuleWhereOption = (!string.IsNullOrWhiteSpace(sqlSchoolId)) ? $" AND c.id = '{sqlSchoolId}'" : string.Empty;
                await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "School").GetItemQueryStreamIterator(queryText: $"SELECT c.id FROM c JOIN serviceProduct IN c.service.product WHERE serviceProduct.prodCode = 'IPDYZYLC'{baseModuleWhereOption}", requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey("Product") }))
                {
                    using var json = await JsonDocument.ParseAsync(item.ContentStream);
                    foreach (var obj in json.RootElement.GetProperty("Documents").EnumerateArray())
                    {
                        string schoolId = obj.GetProperty("id").GetString(); //學校ID
                        baseModuleSchList.Add(schoolId);
                    }
                }

                //學校資料
                List<object> schools = new List<object>();
                string schoolWhereOption = (!string.IsNullOrWhiteSpace(sqlSchoolId)) ? $" WHERE c.id = '{sqlSchoolId}'" : string.Empty;
                await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "School").GetItemQueryStreamIterator(queryText: $"SELECT c.id, c.name, c.region, c.province, c.city, c.picture FROM c {schoolWhereOption}", requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey("Base") }))
                {
                    var jsons = await JsonDocument.ParseAsync(item.ContentStream);
                    if (jsons.RootElement.TryGetProperty("_count", out JsonElement count) && count.GetUInt16() > 0)
                    {
                        foreach (var obj in jsons.RootElement.GetProperty("Documents").EnumerateArray())
                        {
                            dynamic schoolExtobj = new ExpandoObject();
                            schoolExtobj.id = obj.GetProperty("id").GetString(); //學校ID
                            schoolExtobj.name = obj.GetProperty("name");
                            schoolExtobj.region = obj.GetProperty("region");
                            schoolExtobj.province = obj.GetProperty("province");
                            schoolExtobj.city = obj.GetProperty("city");
                            schoolExtobj.picture = obj.GetProperty("picture");
                            if (managerSchDic.ContainsKey(schoolExtobj.id))
                            {
                                schoolExtobj.hasManager = true;
                                schoolExtobj.managers = managerSchDic[schoolExtobj.id];
                            }
                            else
                            {
                                schoolExtobj.hasManager = false;
                                schoolExtobj.managers = new List<object>();
                            }
                            schoolExtobj.hasBaseModule = (baseModuleSchList.Contains(schoolExtobj.id)) ? true : false;
                            //學校輸出結果加入篩選
                            if ((sqlHasManager && sqlHasMBaseModule) && (schoolExtobj.hasManager && schoolExtobj.hasBaseModule))
                            {
                                schools.Add(schoolExtobj);
                            }
                            else if (sqlHasManager && schoolExtobj.hasManager)
                            {
                                schools.Add(schoolExtobj);
                            }
                            else if (sqlHasMBaseModule && schoolExtobj.hasBaseModule)
                            {
                                schools.Add(schoolExtobj);
                            }
                            else if (!sqlHasManager && !sqlHasMBaseModule)
                            {
                                schools.Add(schoolExtobj);
                            }
                        }
                    }
                }

                return Ok(new { schools });
            }
            catch (Exception ex)
            {
                await _dingDing.SendBotMsg($"IES5，{_option.Location}，Teacher/init/get-school-info()\n{ex.Message}{ex.StackTrace}{request.ToJsonString()}", GroupNames.醍摩豆服務運維群組);
                return BadRequest();
            }
        }

        /// <summary>
        /// 申請或同意邀請加入學校
        /// </summary>
        /// 
        /// <param name="requert"></param>
        /// <returns></returns>
        [ProducesDefaultResponseType]
        [AuthToken(Roles = "teacher")]
        [HttpPost("join-school")]
        [Authorize(Roles = "IES")]
        public async Task<IActionResult> JoinSchool(JsonElement requert)
        {
            try
            {
                if (!requert.TryGetProperty("grant_type", out JsonElement grant_type)) return BadRequest();  //"invite":學校邀請 "request":老師申請 "join":"成為學校老師"，leave 离开，cancel 取消。
                if (!requert.TryGetProperty("school_code", out JsonElement school_code)) return BadRequest();
                if (!requert.TryGetProperty("school_name", out JsonElement school_name)) return BadRequest();
                ///当邀请某个老师加入学校则需要知道是谁邀请的
                //if (!requert.TryGetProperty("school_admin", out JsonElement school_admin)) return BadRequest();
                string authtoken = HttpContext.GetXAuth("AuthToken");
                if (string.IsNullOrEmpty(authtoken)) return BadRequest();
                var jwt = new JwtSecurityToken(authtoken);
                var id = jwt.Payload.Sub;
                var schoolcode = jwt.Payload.Azp;
                var Claims = jwt.Payload.Claims;
                jwt.Payload.TryGetValue("name", out object name);
                jwt.Payload.TryGetValue("picture", out object picture);
                var client = _azureCosmos.GetCosmosClient();
                //在老師表找出老師，處理該學校狀態 (老師基本資料應該要存在)
                Teacher teacher = await client.GetContainer(Constant.TEAMModelOS, "Teacher").ReadItemAsync<Teacher>(id, new PartitionKey("Base"));
                if (teacher.schools == null)
                    teacher.schools = new List<Teacher.TeacherSchool>();
                var school = teacher.schools?.FirstOrDefault(x => x.schoolId.Equals(school_code.GetString(), StringComparison.OrdinalIgnoreCase));
                School schoolBase = await client.GetContainer(Constant.TEAMModelOS, "School").ReadItemAsync<School>($"{school_code}", new PartitionKey("Base"));
                if (school != null)
                    school.status = grant_type.GetString();
                else
                {
                    long now = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
                    teacher.schools.Add(new Teacher.TeacherSchool() {areaId= schoolBase.areaId,picture= schoolBase.picture, schoolId = school_code.GetString(), name = school_name.GetString(), status = grant_type.GetString(), time = now });
                }
                if (grant_type.GetString().Equals("leave") || grant_type.GetString().Equals("cancel"))
                {
                    if (teacher.schools.IsNotEmpty())
                    {
                        //获取之前已经加入的学校或者申请的学校
                        var inSchools = teacher.schools.Where(x => x.schoolId == school_code.GetString()).ToList();
                        if (inSchools.IsNotEmpty())
                        {
                            inSchools.ForEach(x => teacher.schools.Remove(x));
                        }
                    }

                    if (teacher.schools.Count > 0 && teacher.size <= 1)
                    {
                        teacher.size = 2;
                    }
                    if (!string.IsNullOrEmpty(teacher.defaultSchool) && teacher.defaultSchool.Equals($"{school_code}"))
                    {
                        if (teacher.schools.IsNotEmpty())
                        {
                            teacher.defaultSchool = teacher.schools[0].schoolId;
                        }
                        else
                        {
                            teacher.defaultSchool = null;
                        }
                    }
                    await client.GetContainer(Constant.TEAMModelOS, "Teacher").ReplaceItemAsync<Teacher>(teacher, id, new PartitionKey("Base"));
                    var sresponse = await client.GetContainer(Constant.TEAMModelOS, "School").DeleteItemStreamAsync(id, new PartitionKey($"Teacher-{school_code}"));

                    Azure.Response response = await _azureCosmos.GetCosmosClient().GetContainer(Constant.TEAMModelOS, Constant.School).ReadItemStreamAsync($"{school_code}", new PartitionKey("TeacherImport"));
                    TeacherImport teacherImport = null;
                    if (response.Status == 200)
                    {
                        teacherImport = JsonDocument.Parse(response.Content).RootElement.Deserialize<TeacherImport>();
                        var tchs = teacherImport?.teachers?.RemoveAll(x => !string.IsNullOrWhiteSpace(x.id)  && x.id.Equals(id));
                        await _azureCosmos.GetCosmosClient().GetContainer(Constant.TEAMModelOS, Constant.School).ReplaceItemAsync(teacherImport, $"{school_code}", new PartitionKey("TeacherImport"));
                    }

                    return Ok(new { stauts = 1 });
                }
                else
                {
                    var dft = new List<string>() { "content-read", "exercise-read", "knowledge-read", "syllabus-read" };
                    if (teacher.schools.Count > 0 && teacher.size <= 1)
                    {
                        teacher.size = 2;
                    }
                    await client.GetContainer(Constant.TEAMModelOS, "Teacher").ReplaceItemAsync<Teacher>(teacher, id, new PartitionKey("Base"));
                    //在學校表處理該學校教師帳號的狀態
                    var sresponse = await client.GetContainer(Constant.TEAMModelOS, "School").ReadItemStreamAsync(id, new PartitionKey($"Teacher-{school_code}"));
                    if (sresponse.Status == 200)
                    {
                        using var json = await JsonDocument.ParseAsync(sresponse.ContentStream);
                        SchoolTeacher steacher = json.ToObject<SchoolTeacher>();
                        steacher.status = grant_type.GetString();
                        if (grant_type.ToString().Equals("join"))
                        {
                            if (steacher.permissions.IsNotEmpty())
                            {
                                foreach (var d in dft)
                                {
                                    if (!steacher.permissions.Contains(d))
                                    {
                                        steacher.permissions.Add(d);
                                    }
                                }
                            }
                            else
                            {
                                steacher.permissions = dft;
                            }


                        }
                        var response = await client.GetContainer(Constant.TEAMModelOS, "School").ReplaceItemAsync(steacher, id, new PartitionKey($"Teacher-{school_code}"));
                    }
                    else
                    {
                        SchoolTeacher st = new SchoolTeacher()
                        {
                            pk = "Teacher",
                            code = $"Teacher-{school_code}",
                            createTime = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds(),
                            id = id,
                            name = name.ToString(),
                            picture = picture?.ToString(),
                            permissions = grant_type.ToString().Equals("join") ? dft : null,
                            roles = new List<string>() { "teacher" },
                            size = 0,
                            status = grant_type.GetString()
                        };
                        var response = await client.GetContainer(Constant.TEAMModelOS, "School").CreateItemAsync(st, new PartitionKey($"Teacher-{school_code}"));
                    }
                    Azure.Response responseImport = await _azureCosmos.GetCosmosClient().GetContainer(Constant.TEAMModelOS, Constant.School).ReadItemStreamAsync($"{school_code}", new PartitionKey("TeacherImport"));
                    TeacherImport teacherImport = null;
                    if ($"{grant_type}".Equals("request")) {
                       
                        if (responseImport.Status == 200)
                        {
                            teacherImport = JsonDocument.Parse(responseImport.Content).RootElement.Deserialize<TeacherImport>();
                            var tchs = teacherImport?.teachers?.FindAll(x =>  string.IsNullOrWhiteSpace(x.iname) && x.iname.Equals($"{name}") && string.IsNullOrWhiteSpace(x.id));
                            if (tchs.IsNotEmpty())
                            {
                                var tch  = tchs[0];
                                string ujson = null; 
                                var content = new StringContent(new List<string> { $"{id}"}.ToJsonString(), Encoding.UTF8, "application/json");
                                ujson = await _coreAPIHttpService.GetUserInfos(content);
                                List<CoreUser> coreUsers = new List<CoreUser>();
                                if (!string.IsNullOrWhiteSpace(ujson))
                                {
                                    coreUsers = ujson.ToObject<List<CoreUser>>();
                                }
                                if (coreUsers.IsNotEmpty())
                                {
                                    tch.phone = coreUsers[0].mobile;
                                    tch.email = coreUsers[0].mail;
                                }
                                tch.id = $"{id}";
                                tch.picture = $"{picture}";
                                tch.status = $"{grant_type}";
                                tch.time = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
                                tch.tmdid = id;
                                tch.name = $"{name }";
                                await _azureCosmos.GetCosmosClient().GetContainer(Constant.TEAMModelOS, Constant.School).ReplaceItemAsync(teacherImport, $"{school_code}", new PartitionKey("TeacherImport"));
                            }
                        }
                    }
                    if (grant_type.ToString().Equals("join"))
                    {
                        if (responseImport.Status == 200)
                        {
                            teacherImport = JsonDocument.Parse(responseImport.Content).RootElement.Deserialize<TeacherImport>();
                            teacherImport?.teachers.ForEach(x => {
                                if (x.id.Equals(teacher.id)) { 
                                    x.name=teacher.name;
                                    x.status = "join";
                                    x.time=DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
                                    x.picture=teacher.picture;
                                }
                            });
                            await _azureCosmos.GetCosmosClient().GetContainer(Constant.TEAMModelOS, Constant.School).ReplaceItemAsync(teacherImport, $"{school_code}", new PartitionKey("TeacherImport"));
                            await TmdUserService.JoinSchool(client, teacher.id, teacher.picture, teacher.name, school.schoolId, school.name);
                        }
                            
                    }
                    Notification notification = null;

                    List<SchoolTeacher> teachers = new List<SchoolTeacher>();
                    var queryslt = $"SELECT  value(c)  FROM c join A1 in c.roles   where  A1 in ('admin')";
                    await foreach (var item in client.GetContainer(Constant.TEAMModelOS, "School").GetItemQueryIterator<SchoolTeacher>(queryText: queryslt, requestOptions: new QueryRequestOptions() { PartitionKey = new PartitionKey($"Teacher-{school_code}") }))
                    {
                        teachers.Add(item);
                    }
                    if (teachers.IsNotEmpty())
                    {
                        string code = grant_type.GetString();
                        if (grant_type.GetString().Equals("join"))
                        {
                            code = "invite-join";
                        }
                        notification = new Notification
                        {
                            hubName = "hita",
                            type = "msg",
                            from = $"ies5:{_option.Location}:private",
                            to = teachers.Select(x => x.id).ToList(),
                            label = $"{code}_school",
                            body = new { location = _option.Location, biz = code, tmdid = id, tmdname = name.ToString(), schoolcode = $"{school_code}", schoolname = $"{school_name}", status = 1, time = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds() }.ToJsonString(),
                            expires = DateTimeOffset.UtcNow.AddDays(7).ToUnixTimeSeconds()
                        };
                    }

                    if (notification != null)
                    {
                        var url = _configuration.GetValue<string>("HaBookAuth:CoreService:sendnotification");
                        var clientID = _configuration.GetValue<string>("HaBookAuth:CoreService:clientID");
                        var clientSecret = _configuration.GetValue<string>("HaBookAuth:CoreService:clientSecret");
                        var location = _option.Location;
                        var code = await _notificationService.SendNotification(clientID, clientSecret, location, url, notification);
                    }
                    return Ok(new { stauts = 1 });
                }
            }
            catch (Exception ex)
            {
                await _dingDing.SendBotMsg($"TEAMModel，{_option.Location}，Init/JoinSchool()\n{ex.Message}{ex.StackTrace}", GroupNames.醍摩豆服務運維群組);
                return BadRequest();
            }
        }


        //課綱的model先記在下面，待式樣確定後再轉換
        private List<SyllabusNode> CreateSyllabusTree(List<Syllabus> syllabuses)
        {
            List<SyllabusNode> nodes = new List<SyllabusNode>();

            foreach (var syllabus in syllabuses)
            {
                if (syllabus.pid.Equals(""))
                    nodes.Add(new SyllabusNode { id = syllabus.id, name = syllabus.name });
                else
                {
                    CreateNode(nodes, syllabus);
                }
            }
            return nodes;
        }

        private void CreateNode(List<SyllabusNode> nodes, Syllabus parent)
        {
            foreach (var node in nodes)
            {
                if (node.id == parent.pid)
                {
                    node.children.Add(new SyllabusNode { id = parent.id, name = parent.name });
                }
                else
                {
                    CreateNode(node.children, parent);
                }
            }
        }

        public class SyllabusRole
        {
            public string id { get; set; }
            public string name { get; set; }
            public object period { get; set; }
            public object semester { get; set; }
            public object grade { get; set; }
            public object subject { get; set; }
            public int resourceCount { get; set; }
            public int itemCount { get; set; }
            public object structure { get; set; }
        }

        public class Syllabus
        {
            public string id { get; set; }
            public string name { get; set; }
            public string pid { get; set; }
            public int order { get; set; }
        }

        public class SyllabusNode
        {
            public string id { get; set; }
            public string name { get; set; }
            public List<SyllabusNode> children { get; set; }

            public SyllabusNode()
            {
                children = new List<SyllabusNode>();
            }
        }
    }
}