feat: add teacher list and profile API

apps/server/src/rbac/rbac.service.ts

@@ -1,4 +1,4 @@
-import { Injectable, Logger } from '@nestjs/common';
+import { Injectable, Logger, NotFoundException } from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
 import { Repository, In } from 'typeorm';
 import * as bcrypt from 'bcryptjs';
@@ -454,4 +454,70 @@ export class RbacService {
       myStudents,
     };
   }
+
+  async getTeachers(query?: { search?: string; page?: number; pageSize?: number }) {
+    const qb = this.userRepo
+      .createQueryBuilder('u')
+      .leftJoin('u.roles', 'role')
+      .leftJoin(ClassTeacher, 'ct', 'ct.userId = u.id')
+      .leftJoin('ct.class', 'c')
+      .select([
+        'u.id', 'u.username', 'u.name', 'u.isActive', 'u.profile', 'u.lastLoginAt',
+        'role.code', 'role.name',
+        'ct.roleType', 'ct.subject', 'ct.id',
+        'c.id', 'c.name',
+      ])
+      .where('role.code IN (:...roles)', { roles: ['teacher', 'class_teacher', 'dormitory_supervisor', 'super_admin'] });
+
+    if (query?.search) {
+      qb.andWhere('(u.name LIKE :s OR u.username LIKE :s)', { s: `%${query.search}%` });
+    }
+
+    const total = await qb.getCount();
+    const users = await qb
+      .orderBy('u.name', 'ASC')
+      .skip(((query?.page || 1) - 1) * (query?.pageSize || 20))
+      .take(query?.pageSize || 20)
+      .getMany();
+
+    const list = users.map((u) => {
+      // TypeORM injects __ct__ and __class__ via leftJoin on non-entity relations
+      const raw = u as unknown as Record<string, unknown>;
+      const classAssignments: Array<{ roleType?: string; subject?: string; className: string | null }> = [];
+      const rawCt = raw['__ct__'];
+      if (Array.isArray(rawCt)) {
+        for (const ct of rawCt) {
+          const ctRaw = ct as Record<string, unknown>;
+          const cls = ctRaw['__class__'] as Record<string, unknown> | undefined;
+          classAssignments.push({
+            roleType: typeof ctRaw['roleType'] === 'string' ? ctRaw['roleType'] : undefined,
+            subject: typeof ctRaw['subject'] === 'string' ? ctRaw['subject'] : undefined,
+            className: cls && typeof cls['name'] === 'string' ? cls['name'] : null,
+          });
+        }
+      }
+      return {
+        id: u.id,
+        username: u.username,
+        name: u.name,
+        isActive: u.isActive,
+        profile: u.profile,
+        lastLoginAt: u.lastLoginAt,
+        roles: u.roles || [],
+        classAssignments,
+      };
+    });
+
+    return { list, total };
+  }
+
+  async updateTeacherProfile(
+    id: number,
+    profile: { subjects?: string[]; joinedAt?: string; qualifications?: string },
+  ) {
+    const user = await this.userRepo.findOne({ where: { id } });
+    if (!user) throw new NotFoundException('用户不存在');
+    user.profile = { ...user.profile, ...profile };
+    return this.userRepo.save(user);
+  }
 }