refactor: replace UserDingMapping with StudentDingMapping entity

apps/server/src/sync/schedule-sync.service.ts

@@ -3,7 +3,7 @@ import { InjectRepository } from '@nestjs/typeorm';
 import { Repository, In, Not, IsNull } from 'typeorm';
 import {
   ClassSchedule,
-  UserDingMapping,
+  StudentDingMapping,
   ClassStudent,
   ClassTeacher,
   Department,
@@ -47,8 +47,8 @@ export class ScheduleSyncService {
   constructor(
     @InjectRepository(ClassSchedule)
     private readonly scheduleRepo: Repository<ClassSchedule>,
-    @InjectRepository(UserDingMapping)
-    private readonly mappingRepo: Repository<UserDingMapping>,
+    @InjectRepository(StudentDingMapping)
+    private readonly studentDingMappingRepo: Repository<StudentDingMapping>,
     @InjectRepository(ClassTeacher)
     private readonly classTeacherRepo: Repository<ClassTeacher>,
     @InjectRepository(Department)
@@ -88,10 +88,10 @@ export class ScheduleSyncService {
 
     // ── Step 2: 获取教师→钉钉用户ID映射 ──
     const teacherIds = [...new Set(schedules.map((s) => s.teacherId!).filter(Boolean))];
-    const mappings = await this.mappingRepo.find({
-      where: { userId: In(teacherIds) },
+    const mappings = await this.studentDingMappingRepo.find({
+      where: { studentId: In(teacherIds) },
     });
-    const userIdToDingId = new Map(mappings.map((m) => [m.userId, m.dingUserId]));
+    const userIdToDingId = new Map(mappings.map((m) => [m.studentId, m.dingUserId]));
 
     // ── Step 3: 按 (startTime, endTime) 创建/匹配班次 ──
     const shiftKey = (start: string, end: string) => `${start}-${end}`;
@@ -288,8 +288,8 @@ export class ScheduleSyncService {
       where: { status: 'active', teacherId: Not(IsNull()) },
     });
     const teacherIds = [...new Set(schedules.map((s) => s.teacherId!).filter(Boolean))];
-    const mappings = await this.mappingRepo.find({
-      where: { userId: In(teacherIds) },
+    const mappings = await this.studentDingMappingRepo.find({
+      where: { studentId: In(teacherIds) },
     });
     return {
       activeSchedules: schedules.length,