using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using EMIS.Entities;
using EMIS.ViewModel.ExaminationManage;
using EMIS.ViewModel;
using EMIS.CommonLogic.ExaminationManage;
using Bowin.Common.Utility;
using EMIS.ViewModel.EducationSchedule;
using System.IO;
using EMIS.Utility;
using Bowin.Common.DataTime;
using AutoMapper;
using EMIS.ViewModel.UniversityManage.ClassroomManage;

namespace EMIS.ExtensionLogic.ServiceLogic.ExaminationManage
{
    public class ExaminationPlanServices : EMIS.CommonLogic.ExaminationManage.ExaminationPlanServices
    {
        protected override bool AutoSchedule(List<ExamiationPlanAutoScheduleView> notCompleteExaminationPlanList, List<EX_ExaminationRoomSetting> examinationRoomList, 
                List<ClassroomView> classroomViewList, TimeSegmentView examinationDate, List<EX_ExaminationTeacher> examinationTeacherList, 
                List<StudentClassroomView> scheduledStudentList, List<ViewModel.EducationSchedule.EducationSchedulingWeekNumView> schedulingList, 
                List<ClassroomExcessiveUseWeekNumView> excessiveUseList)
        {
            var needScheduleCount = notCompleteExaminationPlanList.Count;
            var scheduledCount = 0;
            var needModifyRecordList = new List<AutoScheduleModifyView>();
            foreach (var examinationRoom in examinationRoomList)
            {
                //如果考场在当前时间有排课，跳过
                var schedule = schedulingList.FirstOrDefault(x => x.ClassroomID == examinationRoom.ClassroomID
                                                && x.Date == examinationDate.ExaminationDate && x.StartTime <= examinationDate.EndTime
                                                && x.EndTime >= examinationDate.StartTime);
                if (schedule != null)
                {
                    continue;
                }
                var excessiveUse = excessiveUseList.FirstOrDefault(x => x.ClassroomID == examinationRoom.ClassroomID
                                                && x.Date == examinationDate.ExaminationDate && x.StartTime <= examinationDate.EndTime
                                                && x.EndTime >= examinationDate.StartTime);
                if (excessiveUse != null)
                {
                    continue;
                }

                //按照排考人数从多到少排序，第一行拿出未排过的考试计划，然后从第二个计划开始，优先拿出排过考的考试计划，
                //这样做的目的是保证考试计划能排到最少的考场去，不至于学生太过分散
                var orderedExaminationPlanViewList = notCompleteExaminationPlanList
                                            .Where(x => (x.MissionStudentCount - x.StudentCount) > 0)
                                            .OrderBy(x => x.MissionStudentCount - x.StudentCount).Take(1).ToList();
                orderedExaminationPlanViewList = orderedExaminationPlanViewList
                                                    .Concat(notCompleteExaminationPlanList.Where(x =>
                                                        !orderedExaminationPlanViewList.Select(w => w.ExaminationPlan.ExaminationPlanID)
                                                        .Contains(x.ExaminationPlan.ExaminationPlanID)
                                                        && (x.MissionStudentCount - x.StudentCount) > 0)
                                                        .OrderBy(x => x.StudentCount > 0 ? 0 : 1)
                                                        .ThenByDescending(x => x.MissionStudentCount - x.StudentCount)).ToList();
                #region 获取目前有空的监考员，并随机抽出两个
                //先找出排课没有冲突的监考员
                var noScheduleTeacherList = (from allteacher in examinationTeacherList
                                             from scheduling in schedulingList.Where(x => x.TeacherList.Any(w => w.UserID == allteacher.UserID)
                                                && x.Date == examinationDate.ExaminationDate && x.StartTime <= examinationDate.EndTime
                                                && x.EndTime >= examinationDate.StartTime).DefaultIfEmpty()
                                             where scheduling == null
                                             select allteacher).ToList();

                var teacherList = this.GetAvailableExaminationTeacher(noScheduleTeacherList,
                    examinationDate.ExaminationDate, examinationDate.StartTime, examinationDate.EndTime, scheduledStudentList);

                if (teacherList.Count < 2)
                {
                    return false;
                }
                #endregion

                //这个循环需要把考室尽量塞满……
                foreach (var orderedExaminationPlanView in orderedExaminationPlanViewList)
                {
                    //获取要排考的学生
                    var needScheduleStudentList = this.GetNeedScheduleStudentList(orderedExaminationPlanView, scheduledStudentList);
                    //首先判断是否指定了考试时间，但并不是当前时间，这些自动排考无法处理
                    if (orderedExaminationPlanView.ExaminationPlan.ExaminationDate.HasValue
                        && !(orderedExaminationPlanView.ExaminationPlan.ExaminationDate == examinationDate.ExaminationDate
                            && orderedExaminationPlanView.ExaminationPlan.StartTime == examinationDate.StartTime
                            && orderedExaminationPlanView.ExaminationPlan.EndTime == examinationDate.EndTime))
                    {
                        continue;
                    }
                    //然后判断冲突
                    if (IsConflict(orderedExaminationPlanView, needScheduleStudentList.Select(x => x.UserID).ToList(), examinationDate, examinationRoom.CF_Classroom, scheduledStudentList))
                    {
                        continue;
                    }

                    var roomRemainSeat = examinationRoom.CF_Classroom.Examinationseating - scheduledStudentList
                                              .Where(x => x.ExaminationDate == examinationDate.ExaminationDate
                                                && x.ClassroomID == examinationRoom.ClassroomID
                                                && x.StartTime <= examinationDate.EndTime
                                                && x.EndTime >= examinationDate.StartTime).Count();
                    if (roomRemainSeat < needScheduleStudentList.Count)
                    {
                        continue;
                    }
                    var actualScheduleStudentList = needScheduleStudentList.ToList();

                    //记录住这些数据需要修改，后面所有考场和考试任务都检查完后，再统一修改
                    var result = new AutoScheduleModifyView
                    {
                        ExaminationPlan = orderedExaminationPlanView.ExaminationPlan,
                        ExaminationDate = examinationDate.ExaminationDate,
                        StartTime = examinationDate.StartTime,
                        EndTime = examinationDate.EndTime,
                        ExaminationRoom = examinationRoom,
                        ScheduleStudentList = needScheduleStudentList
                    };
                    var lastExaminationRoomLayout = scheduledStudentList.Where(x => x.ClassroomID == examinationRoom.ClassroomID).FirstOrDefault();
                    if (lastExaminationRoomLayout != null)
                    {
                        result.CF_Staff = new HashSet<CF_Staff>(
                            examinationTeacherList.Where(x => lastExaminationRoomLayout.TeacherIDList.Contains(x.UserID ?? Guid.NewGuid())).Select(x => x.CF_Staff)
                        );
                    }
                    else
                    {
                        result.CF_Staff = new HashSet<CF_Staff>(teacherList);
                    }

                    needModifyRecordList.Add(result);

                    //更新已排完的计划，这样后续的判断才会没问题
                    scheduledStudentList.AddRange(needScheduleStudentList.Select(x => new StudentClassroomView
                    {
                        UserID = x.UserID,
                        ExaminationDate = examinationDate.ExaminationDate,
                        StartTime = examinationDate.StartTime,
                        EndTime = examinationDate.EndTime,
                        ClassroomID = examinationRoom.ClassroomID,
                        ExaminationStyleID = orderedExaminationPlanView.ExaminationPlan.ExaminationStyleID,
                        TeacherIDList = result.CF_Staff.Select(w => w.UserID).ToList(),
                        ExaminationPlanID = orderedExaminationPlanView.ExaminationPlan.ExaminationPlanID
                    }));
                    orderedExaminationPlanView.StudentCount += needScheduleStudentList.Count();
                    scheduledCount++;
                }
            }
            //如果排不完，返回失败，让外部决定如何处理
            if (scheduledCount < needScheduleCount)
            {
                return false;
            }

            foreach (var needModifyRecord in needModifyRecordList)
            {
                #region 判断成功，开始更新数据
                needModifyRecord.ExaminationPlan.ExaminationDate = examinationDate.ExaminationDate;
                needModifyRecord.ExaminationPlan.StartTime = examinationDate.StartTime;
                needModifyRecord.ExaminationPlan.EndTime = examinationDate.EndTime;

                var examinationRoomLayout = new EX_ExaminationRoomLayout
                {
                    ExaminationRoomLayoutID = Guid.NewGuid(),
                    ExaminationPlanID = needModifyRecord.ExaminationPlan.ExaminationPlanID,
                    EX_ExaminationPlan = needModifyRecord.ExaminationPlan,
                    ClassroomID = needModifyRecord.ExaminationRoom.ClassroomID,
                    RowSpacing = 0,
                    ColumnSpacing = 0,
                    StudentOrderType = (int)CF_StudentOrderType.StudentNo,
                    CF_Staff = needModifyRecord.CF_Staff
                };
                this.SetNewStatus(examinationRoomLayout);
                //这块需要挪到上面检测的地方，在上面如何判断这个考场能容纳多少学生？
                var examinationRoomStudentViewList = needModifyRecord.ScheduleStudentList.Select(x => new ExaminationRoomStudentView
                {
                    ExaminationRoomStudentID = Guid.NewGuid(),
                    ExaminationRoomLayoutID = examinationRoomLayout.ExaminationRoomLayoutID,
                    UserID = x.UserID,
                    LoginID = x.Sys_User.LoginID,
                    Remark = ""
                }).ToList();
                var classroomView = classroomViewList.FirstOrDefault(x => x.ClassroomID == needModifyRecord.ExaminationRoom.ClassroomID);
                var examinationRoomStudentList = this.SetRoomStudentSeats(examinationRoomStudentViewList, classroomView, 0, 0, CF_StudentOrderType.StudentNo);
                examinationRoomLayout.EX_ExaminationRoomStudent = new HashSet<EX_ExaminationRoomStudent>(examinationRoomStudentList);
                needModifyRecord.ExaminationPlan.EX_ExaminationRoomLayout.Add(examinationRoomLayout);
                needModifyRecord.ExaminationRoom.CF_Classroom.EX_ExaminationRoomLayout.Add(examinationRoomLayout);
                #endregion
            }

            return true;
        }

        public override string AdultImport(string filePath, out string returnMessage)
        {
            StringBuilder errorMsg = new StringBuilder(); // 错误信息
            List<AdultExaminationPlanImportView> errList = new List<AdultExaminationPlanImportView>();  //错误数据行
            List<AdultExaminationPlanImportView> successList = new List<AdultExaminationPlanImportView>(); //导入的数据行
            DataTimeHelper dth = new DataTimeHelper();

            #region 解析文件，存放到一个List集合里
            Dictionary<string, string> cellheader = new Dictionary<string, string> 
            {
               { "CoursematerialName", "考试科目" }, { "ClassName", "考试班级名称" },
               { "MissionStudentCount", "学生数" }, { "StudentCount", "排考人数" },
               { "ExamsCategoryName", "考试性质" }, { "ExaminationModeName", "考试方式" },
               { "ExaminationWeekNumString", "考试周次" }, { "ExaminationDateString", "考试日期" }, 
               { "StartTimeString", "考试时间起"},{ "EndTimeString", "考试时间止" },  
               { "ClassroomName", "考室"},{ "TeacherNames", "监考老师" }
            };
            List<AdultExaminationPlanImportView> importRowlist =
              NpoiExcelHelper.ExcelToEntityList<AdultExaminationPlanImportView>(cellheader, filePath, out errorMsg, out errList);
            File.Delete(filePath);
            cellheader.Add("ErrorMessage", "错误信息");//还原字典项
            #endregion

            #region 清空格
            for (int i = 0; i < importRowlist.Count(); i++)
            {
                if (importRowlist[i].CoursematerialName != null)
                    importRowlist[i].CoursematerialName = importRowlist[i].CoursematerialName.Trim();
                if (importRowlist[i].ClassName != null)
                    importRowlist[i].ClassName = importRowlist[i].ClassName.Trim();
                if (importRowlist[i].MissionStudentCount != null)
                    importRowlist[i].MissionStudentCount = importRowlist[i].MissionStudentCount.Trim();
                if (importRowlist[i].StudentCount != null)
                    importRowlist[i].StudentCount = importRowlist[i].StudentCount.Trim();
                if (importRowlist[i].ExamsCategoryName != null)
                    importRowlist[i].ExamsCategoryName = importRowlist[i].ExamsCategoryName.Trim();
                if (importRowlist[i].ExaminationModeName != null)
                    importRowlist[i].ExaminationModeName = importRowlist[i].ExaminationModeName.Trim();
                if (importRowlist[i].ExaminationWeekNumString != null)
                    importRowlist[i].ExaminationWeekNumString = importRowlist[i].ExaminationWeekNumString.Trim();
                if (importRowlist[i].ExaminationDateString != null)
                    importRowlist[i].ExaminationDateString = importRowlist[i].ExaminationDateString.Trim();
                if (importRowlist[i].StartTimeString != null)
                    importRowlist[i].StartTimeString = importRowlist[i].StartTimeString.Trim();
                if (importRowlist[i].EndTimeString != null)
                    importRowlist[i].EndTimeString = importRowlist[i].EndTimeString.Trim();
                if (importRowlist[i].ClassroomName != null)
                    importRowlist[i].ClassroomName = importRowlist[i].ClassroomName.Trim();
                if (importRowlist[i].TeacherNames != null)
                    importRowlist[i].TeacherNames = importRowlist[i].TeacherNames.Trim();
            }
            #endregion

            #region 检查文件中的内容
            #region 读取用于校验的数据，便于后续处理
            var coursematerialNameList = importRowlist.Select(x => x.CoursematerialName).ToList();
            var classNameList = importRowlist.Select(x => x.ClassName).ToList();
            //默认排当前学年学期的考试计划
            var curSchoolyear = SchoolYearServices.Value.GetCurrentSchoolYear();
            var classroomNameList = importRowlist.Select(x => x.ClassroomName).ToList();
            var teacherNameList = importRowlist.Where(x => !string.IsNullOrEmpty(x.TeacherNames))
                                .SelectMany(x => x.TeacherNames.Split('/').ToList()).Distinct().ToList();
            var coursematerialList = ExaminationPlanDAL.CoursematerialRepository.GetList(x => coursematerialNameList.Contains(x.CourseName)).ToList();
            var examinationPlanList = ExaminationPlanDAL.ExaminationPlanRepository.GetList(x => classNameList.Contains(x.ClassName) && x.SchoolyearID == curSchoolyear.SchoolYearID, (x => x.EX_ExaminationRoomLayout.Select(w => w.CF_Staff)), (x => x.CF_Student.Select(w => w.Sys_User))).ToList();
            var examsCategoryList = DictionaryHelper.GetDictionaryValue(DictionaryItem.CF_ExamsCategory);
            var examinationModeList = DictionaryHelper.GetDictionaryValue(DictionaryItem.CF_ExaminationMode);
            var classroomList = ExaminationRoomSettingRepository
                                .GetList(x => classroomNameList.Contains(x.CF_Classroom.Name))
                                .Select(x => x.CF_Classroom).ToList();
            var classroomViewList = ClassroomDAL.GetClassroomViewQueryable(x => classroomNameList.Contains(x.Name)).ToList();
            var teacherList = ExaminationPlanDAL.StaffDAL.staffRepository.GetList(x => teacherNameList.Contains(x.Sys_User.Name), (x => x.Sys_User)).ToList();
            #endregion
            foreach (var importRow in importRowlist)
            {
                string errorMessage = "";
                var errorItem = Mapper.DynamicMap<AdultExaminationPlanImportView>(importRow);
                #region 检查基本录入格式
                var curCoursematerialList = coursematerialList.Where(x => x.CourseName == (importRow.CoursematerialName ?? "").Trim()).ToList();
                var examsCategory = examsCategoryList.FirstOrDefault(x => x.Name == (importRow.ExamsCategoryName ?? "").Trim());
                var examinationMode = examinationModeList.FirstOrDefault(x => x.Name == (importRow.ExaminationModeName ?? "").Trim());
                var classroom = classroomList.FirstOrDefault(x => x.Name == (importRow.ClassroomName ?? "").Trim());
                var curTeacherNameList = (importRow.TeacherNames ?? "").Trim().Split('/').Where(x => !string.IsNullOrEmpty(x)).ToList();
                var teacher = teacherList.Where(x => curTeacherNameList.Contains(x.Sys_User.Name)).ToList();


                if (curCoursematerialList.Count == 0)
                {
                    errorMessage += "没有对应的课程名称，请检查输入。";
                }
                if (examsCategory == null)
                {
                    errorMessage += "考试性质错误，请检查输入。";
                }
                if (examinationMode == null)
                {
                    errorMessage += "考试方式错误，请检查输入。";
                }
                if (importRow.StudentCount == null)
                {
                    importRow.StudentCount = importRow.MissionStudentCount;
                }
                if (string.IsNullOrEmpty(importRow.ClassroomName))
                {
                    errorMessage += "请填写考室。";
                }
                else if (classroom == null)
                {
                    errorMessage += "考室信息错误，并未将" + importRow.ClassroomName + "安排为考室，请检查输入。";
                }
                var errorTeacherList = curTeacherNameList.Where(x => !teacher.Select(w => w.Sys_User.Name).Contains(x)).ToList();
                if (errorTeacherList.Count > 0)
                {
                    errorMessage += "监考老师" + string.Join("/", errorTeacherList) + "名字输入错误，请检查输入。";
                }
                else if (teacher.Count == 0)
                {
                    errorMessage += "请填写监考老师信息。";
                }
                var coursematerialIDList = curCoursematerialList.Select(x => (Guid?)x.CoursematerialID).ToList();
                var examinationPlan = examinationPlanList.FirstOrDefault(x => x.ClassName == importRow.ClassName
                    && coursematerialIDList.Contains(x.CoursematerialID));
                if (examsCategory != null && examinationMode != null)
                {
                    examinationPlan = examinationPlanList.FirstOrDefault(x => x.ClassName == importRow.ClassName
                    && coursematerialIDList.Contains(x.CoursematerialID) && x.ExamsCategoryID == examsCategory.Value
                    && x.ExaminationModeID == examinationMode.Value);
                }

                if (examinationPlan == null)
                {
                    examinationPlan = examinationPlanList.FirstOrDefault(x => x.ClassName == importRow.ClassName
                    && coursematerialIDList.Contains(x.CoursematerialID));
                    if (examinationPlan == null)
                    {
                        errorMessage += "并没有该班级名称和课程名称的考试安排，请检查输入。";
                    }
                }
                else if (examinationPlan.RecordStatus == (int)CF_ApprovalStatus.Submitted)
                {
                    errorMessage += "已存在相同的已提交的考试计划";
                }
                if (classroom != null && examinationPlan != null && classroom.Examinationseating < examinationPlan.CF_Student.Count)
                {
                    errorMessage += "所选考室可容纳的座位数不足，无法安排学生进行考试。";
                }
                DateTime examinationDate = default(DateTime);
                if (string.IsNullOrEmpty(importRow.ExaminationDateString))
                {
                    errorMessage += "请填写考试日期。";
                }
                else
                {
                    try
                    {
                        DateTime date;
                        if (DateTime.TryParse(importRow.ExaminationDateString.Trim().ToString(), out date))
                        {
                            examinationDate = Convert.ToDateTime(importRow.ExaminationDateString.Trim().ToString());
                        }
                        else
                        {
                            var dateTime = DateTime.FromOADate(double.Parse(importRow.ExaminationDateString.Trim().ToString()));
                            examinationDate = dateTime;
                        }
                    }
                    catch
                    {
                        errorMessage += "考试日期必须为年-月-日的日期格式。";
                    }
                }
                TimeSpan startTime = default(TimeSpan);

                if (string.IsNullOrEmpty(importRow.StartTimeString))
                {
                    errorMessage += "请填写考试时间起。";
                }
                else
                {
                    try
                    {
                        DateTime date;
                        if (DateTime.TryParse(importRow.StartTimeString.Trim().ToString(), out date))
                        {
                            startTime = Convert.ToDateTime(importRow.StartTimeString.Trim().ToString()).TimeOfDay;
                        }
                        else
                        {
                            var dateTime = DateTime.FromOADate(double.Parse(importRow.StartTimeString.Trim().ToString()));
                            startTime = dateTime.TimeOfDay;
                        }
                    }
                    catch
                    {
                        errorMessage += "考试时间起必须为时:分的时间格式。";
                    }
                }
                TimeSpan endTime = default(TimeSpan);
                if (string.IsNullOrEmpty(importRow.EndTimeString))
                {
                    errorMessage += "请填写考试时间止。";
                }
                else
                {
                    try
                    {
                        DateTime date;
                        if (DateTime.TryParse(importRow.EndTimeString.Trim().ToString(), out date))
                        {
                            endTime = Convert.ToDateTime(importRow.EndTimeString.Trim().ToString()).TimeOfDay;
                        }
                        else
                        {
                            var dateTime = DateTime.FromOADate(double.Parse(importRow.EndTimeString.Trim().ToString()));
                            endTime = dateTime.TimeOfDay;
                        }
                    }
                    catch
                    {
                        errorMessage += "考试时间止必须为时:分的时间格式。";
                    }
                }
                if (startTime >= endTime)
                {
                    errorMessage += "结束时间需大于开始时间。";
                }
                #endregion

                if (errorMessage != "")
                {
                    errorItem.ErrorMessage = errorMessage;
                    if (endTime != default(TimeSpan))
                    {
                        errorItem.EndTimeString = " " + endTime;
                    }
                    if (startTime != default(TimeSpan))
                    {
                        errorItem.StartTimeString = " " + startTime;
                    }
                    if (examinationDate != default(DateTime))
                    {
                        errorItem.ExaminationDateString = " " + examinationDate;
                    }
                    errList.Add(errorItem);
                    continue;
                }
                else
                {
                    importRow.CoursematerialID = examinationPlan.CoursematerialID;
                    importRow.ExaminationPlan = examinationPlan;
                    importRow.ExamsCategoryID = examsCategory.Value;
                    importRow.ExaminationModeID = examinationMode.Value;
                    importRow.ExaminationStyleID = examinationPlan.ExaminationStyleID;
                    importRow.ExaminationDate = examinationDate;
                    importRow.StartTime = startTime;
                    importRow.EndTime = endTime;
                    importRow.ClassroomID = classroom.ClassroomID;
                    importRow.Examinationseating = classroom.Examinationseating;
                    importRow.TeacherList = teacher;

                    successList.Add(importRow);
                }
            }
            var checkList = successList;
            #endregion

            #region 准备排课数据用于校验
            var scheduleDateTimeList = successList.GroupBy(x => x.ExaminationPlan.SchoolyearID)
                .Select(x => new
                {
                    SchoolyearID = x.Key,
                    DataTimeList = x.GroupBy(w => new
                    {
                        StartTime = w.ExaminationDate.Value.Add(w.StartTime.Value),
                        EndTime = w.ExaminationDate.Value.Add(w.EndTime.Value)
                    })
                    .Select(w => new StartEndTimeView { StartTime = w.Key.StartTime, EndTime = w.Key.EndTime }).ToList()
                }).ToList();
            List<EducationSchedulingWeekNumView> schedulingList = new List<EducationSchedulingWeekNumView>();
            List<ClassroomExcessiveUseWeekNumView> excessiveUseList = new List<ClassroomExcessiveUseWeekNumView>();
            scheduleDateTimeList.ForEach(x =>
            {
                schedulingList.AddRange(this.ScheduleServices.Value.GetEducationSchedulingWeekNumViewForExaminationTeacher(x.SchoolyearID.Value,
                    x.DataTimeList));
                excessiveUseList.AddRange(this.ClassroomExcessiveUseServices.Value.GetClassroomExcessiveUseWeekNumViewByDateTimeList(
                    x.SchoolyearID.Value, x.DataTimeList));
            });
            #endregion

            #region 检查导入文件内部数据的冲突
            #region 检查考室冲突
            //var classroomConflictList = (from source in successList 
            //                    from dest in successList.Where(x => x.ExaminationPlan.ExaminationPlanID != source.ExaminationPlan.ExaminationPlanID
            //                        && x.ExaminationDate == source.ExaminationDate 
            //                        && x.StartTime <= source.EndTime && x.EndTime >= source.StartTime 
            //                        && x.ClassroomID == source.ClassroomID) 
            //                    select new { source, dest }).ToList();

            //classroomConflictList.ForEach(x =>
            //{
            //    var errorItem = x.source;
            //    errorItem.ErrorMessage = "考场安排和其他行存在时间冲突，请检查。";
            //    errList.Add(errorItem);
            //    successList.Remove(x.source);
            //});
            #endregion
            #region 检查导入文件导入同一考室，并且时间重复的，人数是否超过可排人次
            var classroomstudentCount = (from source in successList
                                         from studentcount in successList.Where(x => x.ExaminationPlan.ExaminationPlanID != source.ExaminationPlan.ExaminationPlanID
                                             && x.ExaminationDate == source.ExaminationDate
                                             && x.StartTime <= source.EndTime && x.EndTime >= source.StartTime
                                             && x.ClassroomID == source.ClassroomID)
                                         group studentcount by studentcount.ExaminationPlan.ExaminationPlanID
                                             into gstucount
                                             join succ in successList
                                             on gstucount.Key equals succ.ExaminationPlan.ExaminationPlanID
                                             select new
                                             {
                                                 //source,
                                                 succ
                                             }).ToList();

            classroomstudentCount.ForEach(x =>
            {
                var count = int.Parse(x.succ.MissionStudentCount);
                var isrepeatList = checkList.Any(y => y.ExaminationPlan.ExaminationPlanID != x.succ.ExaminationPlan.ExaminationPlanID && y.ExaminationDate == x.succ.ExaminationDate
                    && y.StartTime <= x.succ.EndTime && y.EndTime >= x.succ.StartTime && y.ClassroomID == x.succ.ClassroomID);
                if (isrepeatList)
                {
                    var repeatList = checkList.Where(y => y.ExaminationPlan.ExaminationPlanID != x.succ.ExaminationPlan.ExaminationPlanID && y.ExaminationDate == x.succ.ExaminationDate
                                     && y.StartTime <= x.succ.EndTime && y.EndTime >= x.succ.StartTime && y.ClassroomID == x.succ.ClassroomID).ToList();
                    foreach (var repeat in repeatList)
                    {
                        count = count + int.Parse(repeat.MissionStudentCount);
                    }
                }
                if (count > classroomList.FirstOrDefault(w => w.ClassroomID == x.succ.ClassroomID).Examinationseating)
                {
                    var errorItem = x.succ;
                    errorItem.ErrorMessage = "考场座位数不足，请检查。";
                    errList.Add(errorItem);
                    successList.Remove(x.succ);
                }
            });
            #endregion
            #region 检查教师冲突
            var teacherConflictList = (from source in successList
                                       from dest in successList.Where(x => x.ExaminationPlan.ExaminationPlanID != source.ExaminationPlan.ExaminationPlanID
                                           && x.ExaminationDate == source.ExaminationDate
                                           && x.ClassroomID != source.ClassroomID
                                           && x.StartTime <= source.EndTime && x.EndTime >= source.StartTime
                                           && x.TeacherList.Select(w => w.UserID).Intersect(source.TeacherList.Select(w => w.UserID)).Count() > 0).Take(1)
                                       select source).ToList();

            teacherConflictList.ForEach(x =>
            {
                var errorItem = x;
                errorItem.ErrorMessage = "监考老师和其他行存在时间冲突，请检查。";
                errList.Add(errorItem);
                successList.Remove(x);
            });
            var teacherClassroomConflictList = (from source in successList
                                                from dest in successList.Where(x => x.ExaminationPlan.ExaminationPlanID != source.ExaminationPlan.ExaminationPlanID
                                                    && x.ExaminationDate == source.ExaminationDate
                                                    && x.ClassroomID == source.ClassroomID
                                                    && x.StartTime <= source.EndTime && x.EndTime >= source.StartTime
                                                    && x.TeacherList.Select(w => w.UserID).Intersect(source.TeacherList.Select(w => w.UserID)).Count() != x.TeacherList.Count).Take(1)
                                                select source).ToList();
            teacherClassroomConflictList.ForEach(x =>
            {
                var errorItem = x;
                errorItem.ErrorMessage = "同一考场的监考老师必须相同，请检查考室或监考老师是否存在冲突。";
                errList.Add(errorItem);
                successList.Remove(x);
            });
            #endregion
            #region 检查学生冲突
            var studentConflictList = (from source in successList
                                       from dest in successList.Where(x => x.ExaminationPlan.ExaminationPlanID != source.ExaminationPlan.ExaminationPlanID
                                           && x.ExaminationDate == source.ExaminationDate
                                           && x.StartTime <= source.EndTime && x.EndTime >= source.StartTime
                                           && x.ExaminationPlan.CF_Student.Select(w => w.UserID).Intersect(source.ExaminationPlan.CF_Student.Select(w => w.UserID)).Count() > 0)
                                       select new { source, dest }).ToList();

            studentConflictList.ForEach(x =>
            {
                var errorItem = x.source;
                errorItem.ErrorMessage = "考试学生和其他行存在时间冲突，请检查。";
                errList.Add(errorItem);
                successList.Remove(x.source);
            });
            #endregion
            #endregion

            #region 检查和其他考场安排之间的冲突
            var examinationDateList = successList.Select(x => x.ExaminationDate).Distinct().ToList();
            var sameDateExaminationPlanQuery = ExaminationPlanDAL.ExaminationRoomLayoutRepository
                .GetList(x => examinationDateList.Contains(x.EX_ExaminationPlan.ExaminationDate),
                (x => x.EX_ExaminationPlan),
                (x => x.EX_ExaminationPlan.CF_Student),
                (x => x.CF_Staff),
                (x => x.EX_ExaminationRoomStudent));
            var sameDateExaminationPlanList = sameDateExaminationPlanQuery.ToList();

            #region 检查考室冲突
            //var classroomOuterConflictList = (from source in successList
            //                                  from dest in sameDateExaminationPlanList.Where(x => x.EX_ExaminationPlan.ExaminationPlanID != source.ExaminationPlan.ExaminationPlanID 
            //                                 && x.EX_ExaminationPlan.ExaminationDate == source.ExaminationDate
            //                                 && x.EX_ExaminationPlan.StartTime <= source.EndTime && x.EX_ExaminationPlan.EndTime >= source.StartTime
            //                                 && x.ClassroomID == source.ClassroomID)
            //                                 select new { source, dest }).ToList();

            //classroomOuterConflictList.ForEach(x =>
            //{
            //    var errorItem1 = x.source;
            //    errorItem1.ErrorMessage = "考场安排和已有的考试安排存在时间冲突，请检查。";
            //    errList.Add(errorItem1);
            //    successList.Remove(x.source);
            //});
            #endregion

            #region 检查教师冲突
            var teacherOuterConflictList = (from source in successList
                                            from dest in sameDateExaminationPlanList.Where(x => x.EX_ExaminationPlan.ExaminationPlanID != source.ExaminationPlan.ExaminationPlanID
                                             && x.EX_ExaminationPlan.ExaminationDate == source.ExaminationDate
                                             && x.EX_ExaminationPlan.StartTime <= source.EndTime && x.EX_ExaminationPlan.EndTime >= source.StartTime
                                             && x.ClassroomID != source.ClassroomID
                                             && x.CF_Staff.Select(w => w.UserID).Intersect(source.TeacherList.Select(w => w.UserID)).Count() > 0).Take(1)
                                            select new { source, dest }).ToList();

            teacherOuterConflictList.ForEach(x =>
            {
                var errorItem1 = x.source;
                errorItem1.ErrorMessage = "监考老师和已有的考试安排存在时间冲突，请检查。";
                errList.Add(errorItem1);
                successList.Remove(x.source);
            });

            var teacherOuterClassroomConflictList = (from source in successList
                                                     from dest in sameDateExaminationPlanList.Where(x => x.EX_ExaminationPlan.ExaminationPlanID != source.ExaminationPlan.ExaminationPlanID
                                                    && x.EX_ExaminationPlan.ExaminationDate == source.ExaminationDate
                                                    && x.ClassroomID == source.ClassroomID
                                                    && x.EX_ExaminationPlan.StartTime <= source.EndTime && x.EX_ExaminationPlan.EndTime >= source.StartTime
                                                    && x.CF_Staff.Select(w => w.UserID).Intersect(source.TeacherList.Select(w => w.UserID)).Count() != x.CF_Staff.Count).Take(1)
                                                     select source).ToList();
            teacherOuterClassroomConflictList.ForEach(x =>
            {
                var errorItem = x;
                errorItem.ErrorMessage = "监考老师和已有的考试安排存在冲突，同一考场的监考老师必须相同，请检查。";
                errList.Add(errorItem);
                successList.Remove(x);
            });
            #endregion

            #region 检查学生冲突
            var studentOuterConflictList = (from source in successList
                                            from dest in sameDateExaminationPlanList.Where(x => x.EX_ExaminationPlan.ExaminationPlanID != source.ExaminationPlan.ExaminationPlanID
                                           && x.EX_ExaminationPlan.ExaminationDate == source.ExaminationDate
                                           && x.EX_ExaminationPlan.StartTime <= source.EndTime && x.EX_ExaminationPlan.EndTime >= source.StartTime
                                           && x.EX_ExaminationPlan.CF_Student.Select(w => w.UserID).Intersect(source.ExaminationPlan.CF_Student.Select(w => w.UserID)).Count() > 0)
                                            select new { source, dest }).ToList();

            studentOuterConflictList.ForEach(x =>
            {
                var errorItem = x.source;
                errorItem.ErrorMessage = "考试学生和已有的考试安排存在时间冲突，请检查。";
                errList.Add(errorItem);
                successList.Remove(x.source);
            });
            #endregion
            #endregion

            #region 检查教室占用冲突
            var classroomExcessUseConflictList = (from source in successList
                                                  from dest in excessiveUseList.Where(x =>
                                                      x.Date == source.ExaminationDate
                                                 && x.StartTime <= source.EndTime && x.EndTime >= source.StartTime
                                                 && x.ClassroomID == source.ClassroomID).Take(1)
                                                  select new { source, dest }).ToList();

            classroomExcessUseConflictList.ForEach(x =>
            {
                var errorItem2 = x.source;
                errorItem2.ErrorMessage = "考场已被占用，请检查。";
                errList.Add(errorItem2);
                successList.Remove(x.source);
            });
            #endregion

            #region 检查和课表的冲突
            #region 检查考室冲突
            var classroomScheduleConflictList = (from source in successList
                                                 from dest in schedulingList.Where(x =>
                                                     x.Date == source.ExaminationDate
                                                && x.StartTime <= source.EndTime && x.EndTime >= source.StartTime
                                                && x.ClassroomID == source.ClassroomID).Take(1)
                                                 select new { source, dest }).ToList();

            classroomScheduleConflictList.ForEach(x =>
            {
                var errorItem2 = x.source;
                errorItem2.ErrorMessage = "考场安排和已有的排课存在时间冲突，请检查。";
                errList.Add(errorItem2);
                successList.Remove(x.source);
            });
            #endregion

            #region 检查教师冲突
            var teacherScheduleConflictList = (from source in successList
                                               from dest in schedulingList.Where(x =>
                                             x.Date == source.ExaminationDate
                                             && x.StartTime <= source.EndTime && x.EndTime >= source.StartTime
                                             && x.TeacherList.Select(w => w.UserID)
                                                .Intersect(source.TeacherList.Select(w => (Guid?)w.UserID)).Count() > 0).Take(1)
                                               select new { source, dest }).ToList();

            teacherScheduleConflictList.ForEach(x =>
            {
                var errorItem1 = x.source;
                errorItem1.ErrorMessage = "监考老师和已有的排课存在时间冲突，请检查。";
                errList.Add(errorItem1);
                successList.Remove(x.source);
            });
            #endregion

            #region 检查学生冲突
            var studentScheduleConflictList = (from source in successList
                                               from dest in schedulingList.Where(x =>
                                           x.Date == source.ExaminationDate
                                           && x.StartTime <= source.EndTime && x.EndTime >= source.StartTime
                                           && x.StudentList.Select(w => w.UserID).Intersect(source.ExaminationPlan.CF_Student.Select(w => w.UserID)).Count() > 0).Take(1)
                                               select new { source, dest }).ToList();

            studentScheduleConflictList.ForEach(x =>
            {
                var errorItem = x.source;
                errorItem.ErrorMessage = "考试学生和已有的排课存在时间冲突，请检查。";
                errList.Add(errorItem);
                successList.Remove(x.source);
            });
            #endregion
            #endregion

            #region 添加数据
            var scheduledStudentList = new List<StudentClassroomView>();
            var deletedExaminationPlanIDList = new List<Guid>();
            foreach (var succesResult in successList)
            {
                succesResult.ExaminationPlan.ExaminationDate = succesResult.ExaminationDate;
                succesResult.ExaminationPlan.StartTime = succesResult.StartTime;
                succesResult.ExaminationPlan.EndTime = succesResult.EndTime;
                succesResult.ExaminationStyleID = succesResult.ExaminationStyleID;
                //succesResult.ExaminationPlan.EX_ExaminationRoomLayout.ForEach(x => this.UnitOfWork.Remove(x));
                //succesResult.ExaminationPlan.EX_ExaminationRoomLayout = new HashSet<EX_ExaminationRoomLayout>();

                EX_ExaminationRoomLayout newLayout = new EX_ExaminationRoomLayout()
                {
                    ExaminationRoomLayoutID = Guid.NewGuid(),
                    ExaminationPlanID = succesResult.ExaminationPlan.ExaminationPlanID,
                    ClassroomID = succesResult.ClassroomID,
                    RowSpacing = 0,
                    ColumnSpacing = 0,
                    StudentOrderType = (int)CF_StudentOrderType.StudentNo,
                    CF_Staff = new HashSet<CF_Staff>(succesResult.TeacherList)
                };
                this.SetNewStatus(newLayout);

                var roomRemainSeat = succesResult.Examinationseating - sameDateExaminationPlanList
                                              .Where(x => x.EX_ExaminationPlan != null
                                                && x.EX_ExaminationPlan.ExaminationPlanID != succesResult.ExaminationPlan.ExaminationPlanID
                                                && x.EX_ExaminationPlan.ExaminationDate == succesResult.ExaminationDate
                                                && x.ClassroomID == succesResult.ClassroomID
                                                && x.EX_ExaminationPlan.StartTime <= succesResult.EndTime
                                                && x.EX_ExaminationPlan.EndTime >= succesResult.StartTime).Sum(x => x.EX_ExaminationRoomStudent.Count)
                                                - scheduledStudentList.Where(x => x.ClassroomID == succesResult.ClassroomID
                                                    && x.ExaminationDate == succesResult.ExaminationDate
                                                    && x.StartTime <= succesResult.EndTime
                                                    && x.EndTime >= succesResult.StartTime)
                                                    .Count();
                if (roomRemainSeat <= succesResult.ExaminationPlan.CF_Student.Count)
                {
                    var errorItem = succesResult;
                    errorItem.ErrorMessage = "考场剩余座位不足，无法安排考试，请检查考场的使用情况。";
                    errList.Add(errorItem);
                    continue;
                }

                var studentList = (from s in succesResult.ExaminationPlan.CF_Student
                                   join ss in scheduledStudentList.Where(x => x.ExaminationDate == succesResult.ExaminationDate
                                                     && x.StartTime <= succesResult.EndTime
                                                     && x.EndTime >= succesResult.StartTime)
                                     on s.UserID equals ss.UserID into dss
                                   from ess in dss.DefaultIfEmpty()
                                   where ess == null
                                   select s).ToList();
                var examinationRoomStudentViewList = studentList.Take(roomRemainSeat ?? 0)
                    .Select(x => new ExaminationRoomStudentView
                    {
                        ExaminationRoomStudentID = Guid.NewGuid(),
                        ExaminationRoomLayoutID = newLayout.ExaminationRoomLayoutID,
                        UserID = x.UserID,
                        LoginID = x.Sys_User.LoginID,
                        Remark = ""
                    }).ToList();
                var classroomView = classroomViewList.FirstOrDefault(x => x.ClassroomID == succesResult.ClassroomID);
                var examinationRoomStudentList = this.SetRoomStudentSeats(examinationRoomStudentViewList, classroomView, 0, 0, CF_StudentOrderType.StudentNo);

                if (!deletedExaminationPlanIDList.Contains(succesResult.ExaminationPlan.ExaminationPlanID))
                {
                    UnitOfWork.Remove<EX_ExaminationRoomStudent>(x => x.EX_ExaminationRoomLayout.ExaminationPlanID == succesResult.ExaminationPlan.ExaminationPlanID);
                    UnitOfWork.Remove<EX_ExaminationRoomLayout>(x => x.ExaminationPlanID == succesResult.ExaminationPlan.ExaminationPlanID);
                    deletedExaminationPlanIDList.Add(succesResult.ExaminationPlan.ExaminationPlanID);
                }
                newLayout.EX_ExaminationRoomStudent = new HashSet<EX_ExaminationRoomStudent>(examinationRoomStudentList);

                scheduledStudentList.AddRange(newLayout.EX_ExaminationRoomStudent.Select(x => new StudentClassroomView
                {
                    ExaminationDate = succesResult.ExaminationDate,
                    StartTime = succesResult.StartTime,
                    EndTime = succesResult.EndTime,
                    ClassroomID = newLayout.ClassroomID,
                    UserID = x.UserID
                }));

                this.UnitOfWork.Add(newLayout);
                succesResult.ExaminationPlan.EX_ExaminationRoomLayout.Add(newLayout);
            }
            #endregion

            this.UnitOfWork.Commit();
            returnMessage = string.Format("提示：成功导入{0}条记录，失败{1}条,详情请点击错误数据下载查看。",
                    (importRowlist.Count - errList.Count), errList.Count);
            if (errList.Count > 0)
            {
                return NpoiExcelHelper.EntityListToExcel2003(cellheader, errList, "导入问题列表", "");
            }
            else
            {
                return "";
            }
        }

        /// <summary>
        /// 松山逻辑，提交时需要判断和课表或教室占用的冲突，判断课表主要是因为在排考的同时可能因为调课操作导致课表变动
        /// </summary>
        /// <param name="examinationPlanIDList"></param>
        public override void Submit(IList<Guid?> examinationPlanIDList)
        {
            var examinationPlanList = examinationPlanRepository.GetList(x => examinationPlanIDList.Contains(x.ExaminationPlanID),
                (x => x.EX_ExaminationRoomLayout)).ToList();
            var examinationPlanLayoutList = ExaminationPlanDAL.ExaminationRoomLayoutRepository
                .GetList(x => examinationPlanIDList.Contains(x.ExaminationPlanID),
                (x => x.CF_Staff.Select(w => w.Sys_User)),
                (x => x.EX_ExaminationRoomStudent.Select(w => w.CF_Student.Sys_User)),
                (x => x.CF_Classroom));

            var submitedPlan = examinationPlanList.Where(x => x.RecordStatus != (int)CF_ApprovalStatus.NotSubmitted).ToList();
            if (submitedPlan.Count > 0)
            {
                string submitedClassNames = string.Join("，", submitedPlan.Select(x => x.ClassName)) + "并不在未提交状态，请选择正确的记录进行提交。";
                throw new Exception(submitedClassNames);
            }

            var noLayoutPlanList = (from ep in examinationPlanList
                                    join epl in examinationPlanLayoutList on ep.ExaminationPlanID equals epl.ExaminationPlanID into depl
                                    from eepl in depl.DefaultIfEmpty()
                                    where eepl == null
                                    select ep).ToList();

            if (noLayoutPlanList.Count > 0)
            {
                string noLayoutPlanClassNames = string.Join("，", noLayoutPlanList.Select(x => x.ClassName)) + "没有设置对应的考场，请先设置再进行提交。";
                throw new Exception(noLayoutPlanClassNames);
            }
            var noTeacherPlanList = (from ep in examinationPlanList
                                     join epl in examinationPlanLayoutList on ep.ExaminationPlanID equals epl.ExaminationPlanID
                                     from s in epl.CF_Staff.DefaultIfEmpty()
                                     where s == null
                                     select new { Plan = ep, Classroom = epl.CF_Classroom }).ToList();

            if (noTeacherPlanList.Count > 0)
            {
                string noTeacherPlanClassNames = string.Join("；", noTeacherPlanList.Select(x => x.Plan.ClassName + "，考场" + x.Classroom.Name)) + "没有设置监考老师，请先设置再进行提交。";
                throw new Exception(noTeacherPlanClassNames);
            }
            var noStudentPlanList = (from ep in examinationPlanList
                                     join epl in examinationPlanLayoutList on ep.ExaminationPlanID equals epl.ExaminationPlanID
                                     from s in epl.EX_ExaminationRoomStudent.DefaultIfEmpty()
                                     where s == null
                                     select new { Plan = ep, Classroom = epl.CF_Classroom }).ToList();

            if (noStudentPlanList.Count > 0)
            {
                string noStudentPlanClassNames = string.Join("；", noStudentPlanList.Select(x => x.Plan.ClassName + "，考场" + x.Classroom.Name)) + "没有设置学生，请先设置再进行提交。";
                throw new Exception(noStudentPlanClassNames);
            }

            var scheduleDateTimeList = examinationPlanList.GroupBy(x => x.SchoolyearID)
                .Select(x => new
                {
                    SchoolyearID = x.Key,
                    DataTimeList = x.GroupBy(w => new
                    {
                        StartTime = w.ExaminationDate.Value.Add(w.StartTime.Value),
                        EndTime = w.ExaminationDate.Value.Add(w.EndTime.Value)
                    })
                    .Select(w => new StartEndTimeView { StartTime = w.Key.StartTime, EndTime = w.Key.EndTime }).ToList()
                }).ToList();
            List<EducationSchedulingWeekNumView> schedulingList = new List<EducationSchedulingWeekNumView>();
            List<ClassroomExcessiveUseWeekNumView> excessiveUseList = new List<ClassroomExcessiveUseWeekNumView>();
            scheduleDateTimeList.ForEach(x =>
            {
                schedulingList.AddRange(this.ScheduleServices.Value.GetEducationSchedulingWeekNumViewForExaminationTeacher(x.SchoolyearID.Value,
                    x.DataTimeList));
                excessiveUseList.AddRange(this.ClassroomExcessiveUseServices.Value.GetClassroomExcessiveUseWeekNumViewByDateTimeList(
                    x.SchoolyearID.Value, x.DataTimeList));
            });

            #region 检查教室占用冲突
            var classroomExcessUseConflictList = (from ep in examinationPlanList
                                                  join epl in examinationPlanLayoutList on ep.ExaminationPlanID equals epl.ExaminationPlanID
                                                  from dest in excessiveUseList.Where(x => x.Date == ep.ExaminationDate
                                                     && x.StartTime <= ep.EndTime && x.EndTime >= ep.StartTime
                                                     && epl.ClassroomID == x.ClassroomID).Take(1)
                                                  group epl by new { ep.ExaminationPlanID, ep.ClassName } into g
                                                  select g.Key.ClassName + "的教室" + string.Join("、", g.Select(w => w.CF_Classroom.Name))).ToList();

            if (classroomExcessUseConflictList.Count > 0)
            {
                throw new Exception(string.Join("；", classroomExcessUseConflictList) + "被占用，无法提交。");
            }
            #endregion

            #region 检查和课表的冲突
            #region 检查考室冲突
            var classroomScheduleConflictList = (from ep in examinationPlanList
                                                 join epl in examinationPlanLayoutList on ep.ExaminationPlanID equals epl.ExaminationPlanID
                                                 from dest in schedulingList.Where(x =>
                                                     x.Date == ep.ExaminationDate
                                                    && x.StartTime <= ep.EndTime && x.EndTime >= ep.StartTime
                                                    && x.ClassroomID == epl.ClassroomID).Take(1)
                                                 group epl by new { ep.ExaminationPlanID, ep.ClassName } into g
                                                 select g.Key.ClassName + "的教室" + string.Join("、", g.Select(w => w.CF_Classroom.Name))).ToList();

            if (classroomScheduleConflictList.Count > 0)
            {
                throw new Exception(string.Join("；", classroomScheduleConflictList) + "和已有的排课存在时间冲突，请检查。");
            }
            #endregion

            #region 检查教师冲突
            var teacherScheduleConflictList = (from ep in examinationPlanList
                                               join epl in examinationPlanLayoutList on ep.ExaminationPlanID equals epl.ExaminationPlanID
                                               from s in epl.CF_Staff
                                               from dest in schedulingList.Where(x =>
                                                    x.Date == ep.ExaminationDate
                                                    && x.StartTime <= ep.EndTime && x.EndTime >= ep.StartTime
                                                    && x.TeacherList.Select(w => w.UserID).Contains(s.UserID)).Take(1)
                                               group s by new { ep.ExaminationPlanID, ep.ClassName } into g
                                               select g.Key.ClassName + "的监考老师" + string.Join("、", g.Select(w => w.Sys_User.Name))).ToList();

            if (teacherScheduleConflictList.Count > 0)
            {
                throw new Exception(string.Join("、", teacherScheduleConflictList) + "和已有的排课存在时间冲突，请检查。");
            }
            #endregion

            #region 检查学生冲突
            var studentScheduleConflictList = (from ep in examinationPlanList
                                               join epl in examinationPlanLayoutList on ep.ExaminationPlanID equals epl.ExaminationPlanID
                                               from s in epl.EX_ExaminationRoomStudent
                                               from dest in schedulingList.Where(x =>
                                                   x.Date == ep.ExaminationDate
                                                   && x.StartTime <= ep.EndTime && x.EndTime >= ep.StartTime
                                                   && x.StudentList.Select(w => (Guid?)w.UserID).Contains(s.UserID)).Take(1)
                                               group s by new { ep.ExaminationPlanID, ep.ClassName } into g
                                               select g.Key.ClassName + "的考试学生" + string.Join("、", g.Select(w => w.CF_Student.Sys_User.Name))).ToList();

            if (studentScheduleConflictList.Count > 0)
            {
                throw new Exception(string.Join("、", studentScheduleConflictList) + "和已有的排课存在时间冲突，请检查。");
            }
            #endregion
            #endregion

            if (examinationPlanIDList.Count > 0)
            {
                UnitOfWork.Update<EX_ExaminationPlan>((x => new EX_ExaminationPlan { RecordStatus = (int)CF_ApprovalStatus.Submitted }), (x => examinationPlanIDList.Contains(x.ExaminationPlanID)));
            }
        }
    }
}