排课

src/Jiaowu.Api/Controllers/ExamsController.cs

@@ -169,6 +169,95 @@ public sealed class ExamsController(
         return await SaveAsync(session.Id, true, cancellationToken);
     }
 
+    [HttpPost("plans/{planId:guid}/sessions/batch")]
+    [Authorize(Roles = Managers)]
+    public async Task<ActionResult> CreateSessionsBatch(
+        Guid planId,
+        CreateExamSessionsBatchRequest request,
+        CancellationToken cancellationToken)
+    {
+        var plan = await db.ExamPlans.FindAsync([planId], cancellationToken);
+        if (plan is null) return NotFound();
+        if (plan.Status != ExamPlanStatus.Draft)
+            return ConflictProblem("已发布的考试计划不能调整场次。");
+
+        var taskIds = request.TeachingTaskIds.Distinct().ToArray();
+        if (taskIds.Length == 0)
+            return ValidationProblem("请至少选择一个教学班。");
+        if (taskIds.Length > 100)
+            return ValidationProblem("一次最多选择100个教学班。");
+
+        var timeResult = ResolveExamTime(plan.AcademicTermId,
+            request.ExamDate, request.StartPeriod, request.PeriodCount);
+        if (timeResult.Error is not null) return timeResult.Error;
+        var (startsAt, endsAt) = (timeResult.StartsAt, timeResult.EndsAt);
+
+        var validTaskIds = await db.TeachingTasks.AsNoTracking()
+            .Where(x => x.AcademicTermId == plan.AcademicTermId &&
+                        x.Status == TeachingTaskStatus.Published)
+            .WhereIn(taskIds, x => x.Id)
+            .Select(x => x.Id)
+            .ToListAsync(cancellationToken);
+        if (validTaskIds.Count != taskIds.Length)
+            return ValidationProblem("所选教学班包含不存在、跨学期或未发布的教学班。");
+
+        var duplicateTaskIds = await db.ExamSessions.AsNoTracking()
+            .Where(x => x.ExamPlanId == planId)
+            .WhereIn(taskIds, x => x.TeachingTaskId)
+            .Select(x => x.TeachingTaskId)
+            .ToListAsync(cancellationToken);
+        if (duplicateTaskIds.Count > 0)
+            return ConflictProblem($"所选教学班中有 {duplicateTaskIds.Count} 个已在当前计划中安排考试。");
+
+        var enrollmentPairs = await db.CourseEnrollments.AsNoTracking()
+            .Where(x => x.Status == CourseEnrollmentStatus.Enrolled)
+            .WhereIn(taskIds, x => x.CourseSelectionOffering!.TeachingTaskId)
+            .Select(x => new
+            {
+                x.StudentId,
+                x.CourseSelectionOffering!.TeachingTaskId
+            })
+            .ToListAsync(cancellationToken);
+        var conflictedStudentCount = enrollmentPairs
+            .GroupBy(x => x.StudentId)
+            .Count(group => group.Select(x => x.TeachingTaskId).Distinct().Skip(1).Any());
+        if (conflictedStudentCount > 0)
+            return ConflictProblem(
+                $"所选教学班在同一时段安排会造成 {conflictedStudentCount} 名学生考试冲突，请分批选择不同时间。");
+
+        foreach (var taskId in taskIds)
+        {
+            var validation = await ValidateSessionAsync(plan, null,
+                taskId, null, null, startsAt, endsAt, cancellationToken);
+            if (validation is not null) return validation;
+        }
+
+        db.ExamSessions.AddRange(taskIds.Select(taskId => new ExamSession
+        {
+            ExamPlanId = planId,
+            TeachingTaskId = taskId,
+            ExamDate = request.ExamDate,
+            StartPeriod = request.StartPeriod,
+            PeriodCount = request.PeriodCount,
+            StartsAt = startsAt,
+            EndsAt = endsAt,
+            RequiredBuildingId = request.RequiredBuildingId,
+            RequiredInvigilatorCount = request.RequiredInvigilatorCount,
+            Notes = Normalize(request.Notes)
+        }));
+
+        try
+        {
+            await db.SaveChangesAsync(cancellationToken);
+            await cache.RemoveByTagAsync(AppCacheTags.Timetables, cancellationToken);
+            return Ok(new { createdCount = taskIds.Length });
+        }
+        catch (DbUpdateException)
+        {
+            return ConflictProblem("批量创建考试场次失败，关联数据可能已发生变化。");
+        }
+    }
+
     [HttpPut("plans/{planId:guid}/sessions/{id:guid}")]
     [Authorize(Roles = Managers)]
     public async Task<ActionResult> UpdateSession(
@@ -237,11 +326,19 @@ public sealed class ExamsController(
     [Authorize(Roles = Managers)]
     public async Task<ActionResult> AutoArrange(
         Guid planId,
+        ExamAutoArrangeRequest? request,
         CancellationToken cancellationToken)
     {
-        var result = await examArrangementService.ArrangeAsync(planId, cancellationToken);
+        request ??= new ExamAutoArrangeRequest();
+        var result = await examArrangementService.ArrangeAsync(
+            planId,
+            request.SessionIds,
+            request.AssignClassrooms,
+            request.AssignInvigilators,
+            cancellationToken);
         if (!result.Success)
             return ConflictProblem(result.Message);
+        await cache.RemoveByTagAsync(AppCacheTags.Timetables, cancellationToken);
         return Ok(new { message = result.Message });
     }
 
@@ -404,20 +501,40 @@ public sealed class ExamsController(
                 x.TeachingTask!.TaskNumber,
                 CourseName = x.TeachingTask.Course!.Name,
                 ClassroomName = x.Classroom != null ? x.Classroom.Name : "待分配",
-                x.StartsAt,
+                x.StartsAt
-                Students = db.CourseEnrollments
-                    .Where(e => e.Status == CourseEnrollmentStatus.Enrolled &&
-                        e.CourseSelectionOffering!.TeachingTaskId == x.TeachingTaskId)
-                    .OrderBy(e => e.Student!.StudentNumber)
-                    .Select(e => new
-                    {
-                        e.StudentId,
-                        e.Student!.StudentNumber,
-                        e.Student.Name,
-                        ClassName = e.Student.AdministrativeClass!.Name
-                    }).ToList()
             }).FirstOrDefaultAsync(cancellationToken);
-        return session is null ? NotFound() : Ok(session);
+        if (session is null) return NotFound();
+
+        var students = await db.CourseEnrollments.AsNoTracking()
+            .Where(e => e.Status == CourseEnrollmentStatus.Enrolled &&
+                        e.CourseSelectionOffering!.TeachingTaskId == session.TeachingTaskId)
+            .OrderBy(e => e.Student!.StudentNumber)
+            .Select(e => new
+            {
+                e.StudentId,
+                e.Student!.StudentNumber,
+                e.Student.Name,
+                ClassName = e.Student.AdministrativeClass!.Name
+            })
+            .ToListAsync(cancellationToken);
+
+        return Ok(new
+        {
+            session.Id,
+            session.TeachingTaskId,
+            session.TaskNumber,
+            session.CourseName,
+            session.ClassroomName,
+            session.StartsAt,
+            Students = students.Select((student, index) => new
+            {
+                student.StudentId,
+                student.StudentNumber,
+                student.Name,
+                student.ClassName,
+                SeatNumber = (index + 1).ToString("D3")
+            })
+        });
     }
 
     // ═══════════════════════════════════════════
@@ -434,7 +551,7 @@ public sealed class ExamsController(
                 .Select(x => (Guid?)x.Id).FirstOrDefaultAsync(cancellationToken);
             if (!studentId.HasValue)
                 return ConflictProblem("当前账号未关联学生档案。");
-            return Ok(await db.ExamSessions.AsNoTracking()
+            var schedule = await db.ExamSessions.AsNoTracking()
                 .Where(x => x.ExamPlan!.Status == ExamPlanStatus.Published &&
                     db.CourseEnrollments.Any(e => e.StudentId == studentId &&
                         e.Status == CourseEnrollmentStatus.Enrolled &&
@@ -455,9 +572,52 @@ public sealed class ExamsController(
                     ClassroomName = x.Classroom != null ? x.Classroom.Name : null,
                     BuildingName = x.Classroom != null ? x.Classroom.Building!.Name : null,
                     InvigilatorNames = x.Invigilators.Select(i => i.Teacher!.Name),
+                    x.TeachingTaskId,
                     IsExam = true
                 })
-                .ToListAsync(cancellationToken));
+                .ToListAsync(cancellationToken);
+            if (schedule.Count == 0) return Ok(schedule);
+
+            var taskIds = schedule.Select(x => x.TeachingTaskId).Distinct().ToArray();
+            var seatRows = await db.CourseEnrollments.AsNoTracking()
+                .Where(x => x.Status == CourseEnrollmentStatus.Enrolled)
+                .WhereIn(taskIds, x => x.CourseSelectionOffering!.TeachingTaskId)
+                .OrderBy(x => x.Student!.StudentNumber)
+                .Select(x => new
+                {
+                    x.CourseSelectionOffering!.TeachingTaskId,
+                    x.StudentId,
+                    x.Student!.StudentNumber
+                })
+                .ToListAsync(cancellationToken);
+            var seatNumbers = seatRows
+                .GroupBy(x => x.TeachingTaskId)
+                .SelectMany(group => group.Select((row, index) => new
+                {
+                    row.TeachingTaskId,
+                    row.StudentId,
+                    SeatNumber = (index + 1).ToString("D3")
+                }))
+                .ToDictionary(x => (x.TeachingTaskId, x.StudentId), x => x.SeatNumber);
+
+            return Ok(schedule.Select(x => new
+            {
+                x.Id,
+                x.PlanName,
+                x.ExamDate,
+                x.StartPeriod,
+                x.PeriodCount,
+                x.StartsAt,
+                x.EndsAt,
+                x.TaskNumber,
+                x.CourseCode,
+                x.CourseName,
+                x.ClassroomName,
+                x.BuildingName,
+                x.InvigilatorNames,
+                SeatNumber = seatNumbers.GetValueOrDefault((x.TeachingTaskId, studentId.Value)),
+                x.IsExam
+            }));
         }
         if (scope.IsInRole(SystemRoles.Teacher))
         {
@@ -650,3 +810,17 @@ public sealed record CreateExamSessionRequest(
     [Range(1, 10)] int RequiredInvigilatorCount,
     IReadOnlyCollection<Guid>? InvigilatorIds,
     [MaxLength(500)] string? Notes);
+
+public sealed record CreateExamSessionsBatchRequest(
+    [Required] IReadOnlyCollection<Guid> TeachingTaskIds,
+    DateOnly ExamDate,
+    [Range(1, 30)] int StartPeriod,
+    [Range(1, 6)] int PeriodCount,
+    Guid? RequiredBuildingId,
+    [Range(1, 10)] int RequiredInvigilatorCount,
+    [MaxLength(500)] string? Notes);
+
+public sealed record ExamAutoArrangeRequest(
+    IReadOnlyCollection<Guid>? SessionIds = null,
+    bool AssignClassrooms = true,
+    bool AssignInvigilators = true);

src/Jiaowu.Api/Controllers/MakeupExamsController.cs

@@ -224,6 +224,78 @@ public sealed class MakeupExamsController(
         return await SaveAsync(session.Id, true, cancellationToken);
     }
 
+    [HttpPost("plans/{planId:guid}/sessions/batch")]
+    [Authorize(Roles = Managers)]
+    public async Task<ActionResult> CreateSessionsBatch(
+        Guid planId,
+        CreateMakeupExamSessionsBatchRequest request,
+        CancellationToken cancellationToken)
+    {
+        var plan = await db.MakeupExamPlans.FindAsync([planId], cancellationToken);
+        if (plan is null) return NotFound();
+        if (plan.Status != MakeupExamPlanStatus.Draft)
+            return ConflictProblem("已发布的补考计划不能调整场次。");
+
+        var taskIds = request.TeachingTaskIds.Distinct().ToArray();
+        if (taskIds.Length == 0)
+            return ValidationProblem("请至少选择一个教学班。");
+        if (taskIds.Length > 100)
+            return ValidationProblem("一次最多选择100个教学班。");
+
+        var timeResult = ResolveExamTime(plan.AcademicTermId,
+            request.ExamDate, request.StartPeriod, request.PeriodCount);
+        if (timeResult.Error is not null) return timeResult.Error;
+        var (startsAt, endsAt) = (timeResult.StartsAt, timeResult.EndsAt);
+
+        var validTaskIds = await db.TeachingTasks.AsNoTracking()
+            .Where(x => x.AcademicTermId == plan.AcademicTermId &&
+                        x.Status == TeachingTaskStatus.Published)
+            .WhereIn(taskIds, x => x.Id)
+            .Select(x => x.Id)
+            .ToListAsync(cancellationToken);
+        if (validTaskIds.Count != taskIds.Length)
+            return ValidationProblem("所选教学班包含不存在、跨学期或未发布的教学班。");
+
+        var duplicateTaskIds = await db.MakeupExamSessions.AsNoTracking()
+            .Where(x => x.MakeupExamPlanId == planId)
+            .WhereIn(taskIds, x => x.TeachingTaskId)
+            .Select(x => x.TeachingTaskId)
+            .ToListAsync(cancellationToken);
+        if (duplicateTaskIds.Count > 0)
+            return ConflictProblem($"所选教学班中有 {duplicateTaskIds.Count} 个已在当前补考计划中安排。");
+
+        foreach (var taskId in taskIds)
+        {
+            var validation = await ValidateSessionAsync(plan, null,
+                taskId, null, null, startsAt, endsAt, cancellationToken);
+            if (validation is not null) return validation;
+        }
+
+        db.MakeupExamSessions.AddRange(taskIds.Select(taskId => new MakeupExamSession
+        {
+            MakeupExamPlanId = planId,
+            TeachingTaskId = taskId,
+            ExamDate = request.ExamDate,
+            StartPeriod = request.StartPeriod,
+            PeriodCount = request.PeriodCount,
+            StartsAt = startsAt,
+            EndsAt = endsAt,
+            RequiredBuildingId = request.RequiredBuildingId,
+            RequiredInvigilatorCount = request.RequiredInvigilatorCount,
+            Notes = Normalize(request.Notes)
+        }));
+
+        try
+        {
+            await db.SaveChangesAsync(cancellationToken);
+            return Ok(new { createdCount = taskIds.Length });
+        }
+        catch (DbUpdateException)
+        {
+            return ConflictProblem("批量创建补考场次失败，关联数据可能已发生变化。");
+        }
+    }
+
     [HttpPut("plans/{planId:guid}/sessions/{id:guid}")]
     [Authorize(Roles = Managers)]
     public async Task<ActionResult> UpdateSession(
@@ -292,9 +364,16 @@ public sealed class MakeupExamsController(
     [Authorize(Roles = Managers)]
     public async Task<ActionResult> AutoArrange(
         Guid planId,
+        ExamAutoArrangeRequest? request,
         CancellationToken cancellationToken)
     {
-        var result = await arrangementService.ArrangeAsync(planId, cancellationToken);
+        request ??= new ExamAutoArrangeRequest();
+        var result = await arrangementService.ArrangeAsync(
+            planId,
+            request.SessionIds,
+            request.AssignClassrooms,
+            request.AssignInvigilators,
+            cancellationToken);
         if (!result.Success)
             return ConflictProblem(result.Message);
         return Ok(new { message = result.Message });
@@ -555,19 +634,43 @@ public sealed class MakeupExamsController(
                 x.TeachingTask!.TaskNumber,
                 CourseName = x.TeachingTask.Course!.Name,
                 ClassroomName = x.Classroom != null ? x.Classroom.Name : "待分配",
-                x.StartsAt,
+                x.StartsAt
-                Students = x.Enrollments.OrderBy(e => e.Student!.StudentNumber)
-                    .Select(e => new
-                    {
-                        e.StudentId,
-                        e.Student!.StudentNumber,
-                        e.Student.Name,
-                        ClassName = e.Student.AdministrativeClass!.Name,
-                        e.Reason,
-                        e.MakeupScore
-                    }).ToList()
             }).FirstOrDefaultAsync(cancellationToken);
-        return session is null ? NotFound() : Ok(session);
+        if (session is null) return NotFound();
+
+        var students = await db.MakeupExamEnrollments.AsNoTracking()
+            .Where(e => e.MakeupExamSessionId == id)
+            .OrderBy(e => e.Student!.StudentNumber)
+            .Select(e => new
+            {
+                e.StudentId,
+                e.Student!.StudentNumber,
+                e.Student.Name,
+                ClassName = e.Student.AdministrativeClass!.Name,
+                e.Reason,
+                e.MakeupScore
+            })
+            .ToListAsync(cancellationToken);
+
+        return Ok(new
+        {
+            session.Id,
+            session.TeachingTaskId,
+            session.TaskNumber,
+            session.CourseName,
+            session.ClassroomName,
+            session.StartsAt,
+            Students = students.Select((student, index) => new
+            {
+                student.StudentId,
+                student.StudentNumber,
+                student.Name,
+                student.ClassName,
+                student.Reason,
+                student.MakeupScore,
+                SeatNumber = (index + 1).ToString("D3")
+            })
+        });
     }
 
     // ═══════════════════════════════════════════
@@ -699,7 +802,7 @@ public sealed class MakeupExamsController(
                 .Select(x => (Guid?)x.Id).FirstOrDefaultAsync(cancellationToken);
             if (!studentId.HasValue)
                 return ConflictProblem("当前账号未关联学生档案。");
-            return Ok(await db.MakeupExamEnrollments.AsNoTracking()
+            var schedule = await db.MakeupExamEnrollments.AsNoTracking()
                 .Where(x => x.StudentId == studentId &&
                     x.MakeupExamSession!.MakeupExamPlan!.Status == MakeupExamPlanStatus.Published)
                 .OrderBy(x => x.MakeupExamSession!.ExamDate)
@@ -724,7 +827,49 @@ public sealed class MakeupExamsController(
                     x.MakeupScore,
                     IsMakeup = true
                 })
-                .ToListAsync(cancellationToken));
+                .ToListAsync(cancellationToken);
+            if (schedule.Count == 0) return Ok(schedule);
+
+            var sessionIds = schedule.Select(x => x.Id).Distinct().ToArray();
+            var seatRows = await db.MakeupExamEnrollments.AsNoTracking()
+                .WhereIn(sessionIds, x => x.MakeupExamSessionId)
+                .OrderBy(x => x.Student!.StudentNumber)
+                .Select(x => new
+                {
+                    x.MakeupExamSessionId,
+                    x.StudentId,
+                    x.Student!.StudentNumber
+                })
+                .ToListAsync(cancellationToken);
+            var seatNumbers = seatRows
+                .GroupBy(x => x.MakeupExamSessionId)
+                .SelectMany(group => group.Select((row, index) => new
+                {
+                    row.MakeupExamSessionId,
+                    row.StudentId,
+                    SeatNumber = (index + 1).ToString("D3")
+                }))
+                .ToDictionary(x => (x.MakeupExamSessionId, x.StudentId), x => x.SeatNumber);
+
+            return Ok(schedule.Select(x => new
+            {
+                x.Id,
+                x.PlanName,
+                x.ExamDate,
+                x.StartPeriod,
+                x.PeriodCount,
+                x.StartsAt,
+                x.EndsAt,
+                x.TaskNumber,
+                x.CourseCode,
+                x.CourseName,
+                x.ClassroomName,
+                x.BuildingName,
+                x.Reason,
+                x.MakeupScore,
+                SeatNumber = seatNumbers.GetValueOrDefault((x.Id, studentId.Value)),
+                x.IsMakeup
+            }));
         }
         if (scope.IsInRole(SystemRoles.Teacher))
         {
@@ -941,6 +1086,15 @@ public sealed record CreateMakeupExamSessionRequest(
     IReadOnlyCollection<Guid>? InvigilatorIds,
     [MaxLength(500)] string? Notes);
 
+public sealed record CreateMakeupExamSessionsBatchRequest(
+    [Required] IReadOnlyCollection<Guid> TeachingTaskIds,
+    DateOnly ExamDate,
+    [Range(1, 30)] int StartPeriod,
+    [Range(1, 6)] int PeriodCount,
+    Guid? RequiredBuildingId,
+    [Range(1, 10)] int RequiredInvigilatorCount,
+    [MaxLength(500)] string? Notes);
+
 public sealed record EnrollStudentsRequest(
     [Required] IReadOnlyCollection<Guid> StudentIds);
 

src/Jiaowu.Api/Infrastructure/Exams/ExamArrangementService.cs

@@ -11,8 +11,14 @@ public sealed class ExamArrangementService(AppDbContext db)
 
     public async Task<ExamArrangementResult> ArrangeAsync(
         Guid planId,
+        IReadOnlyCollection<Guid>? requestedSessionIds,
+        bool assignClassrooms,
+        bool assignInvigilators,
         CancellationToken cancellationToken)
     {
+        if (!assignClassrooms && !assignInvigilators)
+            return ExamArrangementResult.Fail("请至少选择分配考场或分配监考教师。");
+
         var plan = await db.ExamPlans
             .Include(x => x.AcademicTerm)
             .Include(x => x.Sessions)
@@ -27,9 +33,23 @@ public sealed class ExamArrangementService(AppDbContext db)
         if (plan.Status != ExamPlanStatus.Draft)
             return ExamArrangementResult.Fail("只有草稿状态的考试计划可以自动编排。");
 
-        var sessions = plan.Sessions.ToList();
+        var requestedIds = (requestedSessionIds ?? [])
+            .Distinct()
+            .ToHashSet();
+        if (requestedIds.Count > 100)
+            return ExamArrangementResult.Fail("一次最多处理100个考试场次。");
+        if (requestedIds.Count > 0 &&
+            plan.Sessions.Count(x => requestedIds.Contains(x.Id)) != requestedIds.Count)
+            return ExamArrangementResult.Fail("所选场次不存在或不属于当前考试计划。");
+
+        var sessions = plan.Sessions
+            .Where(x => requestedIds.Count == 0 || requestedIds.Contains(x.Id))
+            .OrderBy(x => x.ExamDate)
+            .ThenBy(x => x.StartPeriod)
+            .ThenByDescending(x => x.RequiredInvigilatorCount)
+            .ToList();
         if (sessions.Count == 0)
-            return ExamArrangementResult.Fail("考试计划中没有场次。");
+            return ExamArrangementResult.Fail("没有可处理的考试场次。");
 
         var termId = plan.AcademicTermId;
         var timeSlots = await db.ScheduleTimeSlots.AsNoTracking()
@@ -44,8 +64,8 @@ public sealed class ExamArrangementService(AppDbContext db)
 
         int assignedRooms = 0;
         int assignedInvigilators = 0;
-        int skippedRooms = 0;
+        int unavailableRooms = 0;
-        int skippedInvigilators = 0;
+        int unavailableInvigilators = 0;
         var messages = new List<string>();
 
         // Track occupied time slots to avoid conflicts
@@ -69,7 +89,7 @@ public sealed class ExamArrangementService(AppDbContext db)
                 cancellationToken);
 
             // ── Auto-assign classroom ──
-            if (!session.ClassroomId.HasValue)
+            if (assignClassrooms && !session.ClassroomId.HasValue)
             {
                 var room = await FindBestClassroomAsync(
                     session, studentCount, occupiedRooms, cancellationToken);
@@ -83,20 +103,15 @@ public sealed class ExamArrangementService(AppDbContext db)
                 }
                 else
                 {
-                    skippedRooms++;
+                    unavailableRooms++;
                     messages.Add(
                         $"“{session.TeachingTask!.Course!.Name}”：无可用考场（需≥{studentCount}座）");
                 }
             }
-            else
-            {
-                skippedRooms++;
-            }
-
             // ── Auto-assign invigilators ──
             var currentInvigilatorCount = session.Invigilators.Count;
             var needed = session.RequiredInvigilatorCount - currentInvigilatorCount;
-            if (needed > 0)
+            if (assignInvigilators && needed > 0)
             {
                 var courseTeacherIds = session.TeachingTask!.Teachers
                     .Select(x => x.TeacherId).ToHashSet();
@@ -116,12 +131,11 @@ public sealed class ExamArrangementService(AppDbContext db)
                 }
 
                 if (newlyAssigned.Count < needed)
+                {
+                    unavailableInvigilators += needed - newlyAssigned.Count;
                     messages.Add(
                         $"“{session.TeachingTask!.Course!.Name}”：仅找到{newlyAssigned.Count}/{needed}名监考教师");
-            }
+                }
-            else
-            {
-                skippedInvigilators++;
             }
         }
 
@@ -129,8 +143,9 @@ public sealed class ExamArrangementService(AppDbContext db)
 
         return new ExamArrangementResult(
             true,
-            $"{assignedRooms}个考场、{assignedInvigilators}名监考已分配。" +
+            $"{sessions.Count}个场次处理完成，分配{assignedRooms}个考场、{assignedInvigilators}名监考教师。" +
-            (skippedRooms > 0 ? $" {skippedRooms}个场次无可用考场。" : "") +
+            (unavailableRooms > 0 ? $" {unavailableRooms}个场次暂无可用考场。" : "") +
+            (unavailableInvigilators > 0 ? $" 仍缺{unavailableInvigilators}名监考教师。" : "") +
             (messages.Count > 0 ? $" 详情：{string.Join("；", messages.Take(10))}" : ""));
     }