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@ -1521,13 +1521,12 @@ namespace VOL.Ai.Services
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if (teacher == null || string.IsNullOrWhiteSpace(teacher.TeacherNo) || string.IsNullOrWhiteSpace(teacher.TeacherName))
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throw new Exception("获取京师老师信息失败!");
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// 2️⃣ 查询数据库中是否已有该老师
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// 3️⃣ 确保老师存在数据库
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var dbTeacher = await _teacherRepository.DbContext.Set<JS_Teacher>()
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.FirstOrDefaultAsync(t => t.TeacherNo == teacher.TeacherNo);
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if (dbTeacher == null)
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{
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// 老师不存在，新增
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dbTeacher = new JS_Teacher
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{
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TeacherNo = teacher.TeacherNo,
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@ -1537,55 +1536,36 @@ namespace VOL.Ai.Services
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};
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await _teacherRepository.DbContext.Set<JS_Teacher>().AddAsync(dbTeacher);
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await _teacherRepository.DbContext.SaveChangesAsync();
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await _teacherRepository.DbContext.SaveChangesAsync(); // 保存后 Id 可用
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}
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var gradeDtos = teacher.GradeList ?? new List<GradeDto>();
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var allGradeNos = gradeDtos.Where(g => !string.IsNullOrWhiteSpace(g.GradeNo))
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var allGradeNos = gradeDtos
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.Where(g => !string.IsNullOrWhiteSpace(g.GradeNo))
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.Select(g => g.GradeNo)
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.ToList();
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// 3️⃣ 查询数据库已有年级和班级
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// 4️⃣ 查询数据库已有年级和班级
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var existGrades = await _studentRepository.DbContext.Set<JS_Grade>()
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.Where(x => x.SchoolCode == schoolCode && allGradeNos.Contains(x.GradeNo))
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.Where(x => x.SchoolCode == schoolCode && x.TeacherNo == teacher.TeacherNo && allGradeNos.Contains(x.GradeNo))
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.Include(g => g.Classes)
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.ToListAsync();
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var existClasses = existGrades.SelectMany(g => g.Classes).ToList();
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// 先删班级
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// 5️⃣ 先删除旧班级，再删除旧年级
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if (existClasses.Any())
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_studentRepository.DbContext.Set<JS_Class>().RemoveRange(existClasses);
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// 再删年级
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if (existGrades.Any())
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_studentRepository.DbContext.Set<JS_Grade>().RemoveRange(existGrades);
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await _studentRepository.DbContext.SaveChangesAsync();
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// 4️⃣ 更新已存在的年级老师信息（直接 UPDATE）
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//foreach (var grade in existGrades)
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//{
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// grade.TeacherNo = teacher.TeacherNo;
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// grade.TeacherName = teacher.TeacherName;
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// foreach (var cls in grade.Classes)
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// {
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// cls.TeacherNo = teacher.TeacherNo;
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// cls.TeacherName = teacher.TeacherName;
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// }
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//}
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// 5️⃣ 构造新增年级和班级
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var newGrades = new List<JS_Grade>();
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var existGradeNoSet = existGrades.Select(g => g.GradeNo).ToHashSet();
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var existClassNoSet = existGrades.SelectMany(g => g.Classes).Select(c => c.ClassNo).ToHashSet();
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foreach (var g in gradeDtos)
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{
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if (string.IsNullOrWhiteSpace(g.GradeNo) || existGradeNoSet.Contains(g.GradeNo))
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continue;
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var gradeNew = new JS_Grade
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// 6️⃣ 构造新增年级和班级
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var newGrades = gradeDtos
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.Where(g => !string.IsNullOrWhiteSpace(g.GradeNo))
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.Select(g => new JS_Grade
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{
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TeacherNo = teacher.TeacherNo,
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TeacherName = teacher.TeacherName,
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@ -1606,29 +1586,15 @@ namespace VOL.Ai.Services
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ClassNo = c.ClassNo,
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ClassName = c.ClassName
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}).ToList() ?? new List<JS_Class>()
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};
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newGrades.Add(gradeNew);
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}
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}).ToList();
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if (newGrades.Any())
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await _studentRepository.DbContext.Set<JS_Grade>().AddRangeAsync(newGrades);
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// 6️⃣ 保存所有修改和新增
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//// EF Core 显式标记更新
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//_studentRepository.UpdateRange(existGrades);
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//// 同时更新所有班级（必须显式）
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//var allClasses = existGrades.SelectMany(g => g.Classes).ToList();
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//_classRepository.UpdateRange(allClasses);
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await _studentRepository.DbContext.SaveChangesAsync();
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// 7️⃣ 返回结果
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var dbGrades = await _studentRepository.DbContext.Set<JS_Grade>()
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.Where(x => x.SchoolCode == schoolCode && allGradeNos.Contains(x.GradeNo) && x.TeacherNo == teacher.TeacherNo)
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.Include(g => g.Classes)
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.ToListAsync();
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// 7️⃣ 使用 EF 跟踪的实体直接返回，不用再查询数据库
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var dbGrades = newGrades;
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var res = new Ai_TeacherFaceInfo
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{
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@ -1645,31 +1611,6 @@ namespace VOL.Ai.Services
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.ToList()
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};
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//// 3️⃣ 直接从 teacher 里组装年级班级数据（不进数据库）
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//var gradeDtos = teacher.GradeList ?? new List<GradeDto>();
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//var classList = gradeDtos
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// .Where(g => !string.IsNullOrWhiteSpace(g.GradeNo))
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// .SelectMany(g => g.ClassList ?? new List<ClassDto>(),
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// (g, c) => new { g, c })
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// .Where(x => !string.IsNullOrWhiteSpace(x.c.ClassNo))
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// .Select(x => new Classes
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// {
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// Id = 0, // 不落库，Id 没意义
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// Name = $"{x.g.GradeName}-{x.c.ClassName}"
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// })
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// .ToList();
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//// 4️⃣ 返回结果
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//var res = new Ai_TeacherFaceInfo
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//{
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// Id = 0,
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// TeacherName = teacher.TeacherName,
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// Phone = teacher.TeacherNo,
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// GradeAndClassList = classList
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//};
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// 8️⃣ 删除扫码记录
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_scanCodeLoginRepository.Delete(loginInfo);
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await _scanCodeLoginRepository.SaveChangesAsync();
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@ -1677,7 +1618,6 @@ namespace VOL.Ai.Services
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return res;
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}
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/// <summary>
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/// 登录
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/// </summary>
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