Initial commit

lib/services/user.service.ts

@@ -0,0 +1,159 @@
+import { prisma } from '../database'
+import { User, Prisma } from '@prisma/client'
+import bcrypt from 'bcrypt'
+
+export interface CreateUserData {
+  email: string
+  name?: string
+  password?: string
+  image?: string
+}
+
+export interface UpdateUserData {
+  name?: string
+  email?: string
+  image?: string
+}
+
+export interface UserProfile {
+  id: string
+  name: string | null
+  email: string | null
+  image: string | null
+  createdAt: Date
+  updatedAt: Date
+}
+
+export class UserService {
+  /**
+   * 创建新用户
+   */
+  static async createUser(data: CreateUserData): Promise<User> {
+    const { email, name, password, image } = data
+
+    // 验证邮箱格式
+    if (!this.isValidEmail(email)) {
+      throw new Error('邮箱格式不正确')
+    }
+
+    // 检查邮箱是否已存在
+    const existingUser = await prisma.user.findUnique({
+      where: { email }
+    })
+
+    if (existingUser) {
+      throw new Error('邮箱已被注册')
+    }
+
+    // 哈希密码（如果提供）
+    let hashedPassword: string | undefined
+    if (password) {
+      if (password.length < 6) {
+        throw new Error('密码长度至少6位')
+      }
+      hashedPassword = await bcrypt.hash(password, 12)
+    }
+
+    return prisma.user.create({
+      data: {
+        email,
+        name,
+        image,
+        hashedPassword
+      }
+    })
+  }
+
+  /**
+   * 根据ID获取用户
+   */
+  static async getUserById(id: string): Promise<UserProfile | null> {
+    const user = await prisma.user.findUnique({
+      where: { id },
+      select: {
+        id: true,
+        name: true,
+        email: true,
+        image: true,
+        createdAt: true,
+        updatedAt: true
+      }
+    })
+
+    return user
+  }
+
+  /**
+   * 根据邮箱获取用户
+   */
+  static async getUserByEmail(email: string): Promise<User | null> {
+    return prisma.user.findUnique({
+      where: { email }
+    })
+  }
+
+  /**
+   * 更新用户信息
+   */
+  static async updateUser(id: string, data: UpdateUserData): Promise<UserProfile> {
+    const updateData: Prisma.UserUpdateInput = {}
+
+    if (data.name !== undefined) {
+      updateData.name = data.name
+    }
+
+    if (data.email !== undefined) {
+      if (!this.isValidEmail(data.email)) {
+        throw new Error('邮箱格式不正确')
+      }
+      updateData.email = data.email
+    }
+
+    if (data.image !== undefined) {
+      updateData.image = data.image
+    }
+
+    const user = await prisma.user.update({
+      where: { id },
+      data: updateData,
+      select: {
+        id: true,
+        name: true,
+        email: true,
+        image: true,
+        createdAt: true,
+        updatedAt: true
+      }
+    })
+
+    return user
+  }
+
+  /**
+   * 验证用户密码
+   */
+  static async verifyPassword(user: User, password: string): Promise<boolean> {
+    if (!user.hashedPassword) {
+      return false
+    }
+
+    return bcrypt.compare(password, user.hashedPassword)
+  }
+
+  /**
+   * 删除用户
+   */
+  static async deleteUser(id: string): Promise<void> {
+    await prisma.user.delete({
+      where: { id }
+    })
+  }
+
+  /**
+   * 验证邮箱格式
+   */
+  private static isValidEmail(email: string): boolean {
+    const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/
+    return emailRegex.test(email)
+  }
+}