任务2.5
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110
internal/app/service/user_service.go
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110
internal/app/service/user_service.go
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package service
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import (
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"errors"
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"git.huangwc.com/pig/pig-farm-controller/internal/app/dto"
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domain_notify "git.huangwc.com/pig/pig-farm-controller/internal/domain/notify"
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"git.huangwc.com/pig/pig-farm-controller/internal/domain/token"
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"git.huangwc.com/pig/pig-farm-controller/internal/infra/logs"
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"git.huangwc.com/pig/pig-farm-controller/internal/infra/models"
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"git.huangwc.com/pig/pig-farm-controller/internal/infra/repository"
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"gorm.io/gorm"
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)
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// UserService 定义用户服务接口
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type UserService interface {
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CreateUser(req *dto.CreateUserRequest) (*dto.CreateUserResponse, error)
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Login(req *dto.LoginRequest) (*dto.LoginResponse, error)
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SendTestNotification(userID uint, req *dto.SendTestNotificationRequest) error
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}
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// userService 实现了 UserService 接口
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type userService struct {
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userRepo repository.UserRepository
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tokenService token.Service
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notifyService domain_notify.Service
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logger *logs.Logger
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}
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// NewUserService 创建并返回一个新的 UserService 实例
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func NewUserService(
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userRepo repository.UserRepository,
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tokenService token.Service,
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notifyService domain_notify.Service,
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logger *logs.Logger,
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) UserService {
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return &userService{
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userRepo: userRepo,
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tokenService: tokenService,
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notifyService: notifyService,
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logger: logger,
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}
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}
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// CreateUser 创建新用户
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func (s *userService) CreateUser(req *dto.CreateUserRequest) (*dto.CreateUserResponse, error) {
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user := &models.User{
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Username: req.Username,
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Password: req.Password, // 密码会在 BeforeSave 钩子中哈希
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}
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if err := s.userRepo.Create(user); err != nil {
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s.logger.Errorf("创建用户: 创建用户失败: %v", err)
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// 尝试查询用户,以判断是否是用户名重复导致的错误
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_, findErr := s.userRepo.FindByUsername(req.Username)
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if findErr == nil { // 如果能找到用户,说明是用户名重复
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return nil, errors.New("用户名已存在")
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}
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// 其他创建失败的情况
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return nil, errors.New("创建用户失败")
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}
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return &dto.CreateUserResponse{
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Username: user.Username,
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ID: user.ID,
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}, nil
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}
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// Login 用户登录
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func (s *userService) Login(req *dto.LoginRequest) (*dto.LoginResponse, error) {
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// 使用新的方法,通过唯一标识符(用户名、邮箱等)查找用户
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user, err := s.userRepo.FindUserForLogin(req.Identifier)
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return nil, errors.New("登录凭证不正确")
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}
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s.logger.Errorf("登录: 查询用户失败: %v", err)
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return nil, errors.New("登录失败")
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}
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if !user.CheckPassword(req.Password) {
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return nil, errors.New("登录凭证不正确")
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}
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// 登录成功,生成 JWT token
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tokenString, err := s.tokenService.GenerateToken(user.ID)
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if err != nil {
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s.logger.Errorf("登录: 生成令牌失败: %v", err)
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return nil, errors.New("登录失败,无法生成认证信息")
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}
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return &dto.LoginResponse{
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Username: user.Username,
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ID: user.ID,
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Token: tokenString,
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}, nil
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}
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// SendTestNotification 发送测试通知
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func (s *userService) SendTestNotification(userID uint, req *dto.SendTestNotificationRequest) error {
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err := s.notifyService.SendTestMessage(userID, req.Type)
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if err != nil {
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s.logger.Errorf("发送测试通知: 服务层调用失败: %v", err)
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return errors.New("发送测试消息失败: " + err.Error())
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}
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s.logger.Infof("发送测试通知: 成功为用户 %d 发送类型为 %s 的测试消息", userID, req.Type)
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return nil
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}
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