gojsj2025/backend/usercenter/api/internal/logic/user/user_register_logic.go

package user

import (
	"context"
	"regexp"

	"backend/usercenter/api/internal/svc"
	"backend/usercenter/api/internal/types"
	"backend/usercenter/orm"
	"backend/utils"

	"github.com/zeromicro/go-zero/core/logx"
	"gorm.io/gorm"
	// github.com/spf13/cast // 类型转换
	// github.com/golang-module/carbon/v2 // 日期时间处理
	// github.com/jinzhu/copier/v2 // 结构体复制
	// orm 目录下的 orm 包
)

type UserRegisterLogic struct {
	logx.Logger
	ctx    context.Context
	svcCtx *svc.ServiceContext
}

func NewUserRegisterLogic(ctx context.Context, svcCtx *svc.ServiceContext) *UserRegisterLogic {
	return &UserRegisterLogic{
		Logger: logx.WithContext(ctx),
		ctx:    ctx,
		svcCtx: svcCtx,
	}
}

func (l *UserRegisterLogic) UserRegister(req *types.RegisterRequest) (resp *types.UsersResponse, err error) {
	// 1. 检查用户名是否符合要求
	if len(req.Username) < 4 || len(req.Username) > 16 {
		return &types.UsersResponse{
			Success: false,
			Message: "用户名长度不能小于4位或大于16位",
			Data:    nil,
			Code:    200,
		}, nil
	}

	// 1.1 正则检查用户名是否符合要求
	usernameRegex := regexp.MustCompile(`^[a-zA-Z0-9]+$`)
	if !usernameRegex.MatchString(req.Username) {
		return &types.UsersResponse{
			Success: false,
			Message: "用户名只能包含字母和数字",
			Data:    nil,
			Code:    200,
		}, nil
	}

	// 1. 检查用户名，手机号是否存在
	user := new(orm.User)
	result := l.svcCtx.Db.Where("name = ? or phone = ?", req.Username, req.Phone).First(user)
	if result.Error != nil && result.Error != gorm.ErrRecordNotFound {
		return &types.UsersResponse{
			Success: false,
			Message: result.Error.Error(),
			Data:    nil,
			Code:    200,
		}, nil
	}
	if result.RowsAffected > 0 {
		return &types.UsersResponse{
			Success: false,
			Message: "用户名或手机号已存在",
			Data:    nil,
			Code:    200,
		}, nil
	}

	// 2. 检查密码是否符合要求
	if len(req.Password) < 6 || len(req.Password) > 16 {
		return &types.UsersResponse{
			Success: false,
			Message: "密码长度不能小于6位或大于16位",
			Data:    nil,
			Code:    200,
		}, nil
	}

	// 2.1 检查手机号是否符合要求
	if len(req.Phone) != 11 {
		return &types.UsersResponse{
			Success: false,
			Message: "手机号长度不正确",
			Data:    nil,
			Code:    200,
		}, nil
	}
	// 2.2 正则检查手机号是否符合要求
	phoneRegex := regexp.MustCompile(`^1[3-9]\d{9}$`)
	if !phoneRegex.MatchString(req.Phone) {
		return &types.UsersResponse{
			Success: false,
			Message: "手机号格式不正确",
			Data:    nil,
			Code:    200,
		}, nil
	}

	// 3. 加密密码，使用utils.Bcrypt.GenerateFromPassword
	hashedPassword, err := utils.HashPassword(req.Password)
	if err != nil {
		return &types.UsersResponse{
			Success: false,
			Message: err.Error(),
			Data:    nil,
			Code:    200,
		}, nil
	}
	user.Password = string(hashedPassword)
	// 如果其他字段有值，则赋值
	if req.Email != "" {
		user.Email = req.Email
	}

	// 4. 创建用户
	user.Name = req.Username
	user.Password = hashedPassword
	user.Phone = req.Phone

	// 4. 创建用户
	result = l.svcCtx.Db.Create(user)
	if result.Error != nil {
		return &types.UsersResponse{
			Success: false,
			Message: result.Error.Error(),
			Data:    nil,
			Code:    200,
		}, nil
	}

	// 5. 返回用户信息
	resp = &types.UsersResponse{
		Success: true,
		Message: "注册成功",
		Data:    user.ID,
		Code:    200,
	}

	return
}