feat: add backend-mock app

apps/backend-mock/src/modules/users/users.service.ts

@@ -0,0 +1,27 @@
+import type { Repository } from 'typeorm';
+
+import { UserEntity } from '@/models/entity/user.entity';
+import { Injectable } from '@nestjs/common';
+import { InjectRepository } from '@nestjs/typeorm';
+import bcrypt from 'bcryptjs';
+
+@Injectable()
+export class UsersService {
+  constructor(
+    @InjectRepository(UserEntity)
+    private usersRepository: Repository<UserEntity>,
+  ) {}
+
+  async create(user: UserEntity): Promise<UserEntity> {
+    user.password = await bcrypt.hash(user.password, 10); // 密码哈希
+    return this.usersRepository.save(user);
+  }
+
+  /**
+   * Find user by username
+   * @param username
+   */
+  async findOne(username: string): Promise<UserEntity | undefined> {
+    return await this.usersRepository.findOne({ where: { username } });
+  }
+}