feat: 开发user、auth相关接口，初始化后台管理项目admin

apps/api/src/modules/auth/auth.service.ts

@@ -0,0 +1,73 @@
+import { Injectable, UnauthorizedException } from '@nestjs/common';
+import { JwtService } from '@nestjs/jwt';
+import { InjectRepository } from '@nestjs/typeorm';
+import { Repository } from 'typeorm';
+import * as bcrypt from 'bcrypt';
+import { User } from '../user/user.entity';
+import { LoginDto } from './dto/login.dto';
+import { JwtPayload } from './interfaces/jwt-payload.interface';
+import { LoginResponse } from './interfaces/login-response.interface';
+
+@Injectable()
+export class AuthService {
+    constructor(
+        @InjectRepository(User)
+        private readonly userRepository: Repository<User>,
+        private readonly jwtService: JwtService,
+    ) {}
+
+    /**
+     * 用户登录
+     */
+    async login(loginDto: LoginDto): Promise<LoginResponse> {
+        // 根据用户名或邮箱查找用户
+        const user = await this.userRepository.findOne({
+            where: [
+                { username: loginDto.usernameOrEmail },
+                { email: loginDto.usernameOrEmail },
+            ],
+        });
+
+        if (!user) {
+            throw new UnauthorizedException('用户名或密码错误');
+        }
+
+        // 检查用户状态
+        if (user.status !== 'active') {
+            throw new UnauthorizedException('用户已被禁用');
+        }
+
+        // 验证密码
+        const isPasswordValid = await bcrypt.compare(
+            loginDto.password,
+            user.passwordHash,
+        );
+
+        if (!isPasswordValid) {
+            throw new UnauthorizedException('用户名或密码错误');
+        }
+
+        // 更新最后登录时间
+        user.lastLoginAt = new Date();
+        await this.userRepository.save(user);
+
+        // 生成 JWT token
+        const payload: JwtPayload = {
+            sub: user.userId,
+            username: user.username,
+            email: user.email,
+            role: user.role,
+        };
+
+        const accessToken = this.jwtService.sign(payload);
+
+        // 返回 token 和用户信息（排除密码）
+        // eslint-disable-next-line @typescript-eslint/no-unused-vars
+        const { passwordHash, ...userWithoutPassword } = user;
+
+        return {
+            accessToken,
+            user: userWithoutPassword,
+        };
+    }
+}