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check_user.go
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/
check_user.go
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package service
import (
"context"
"crypto/md5"
"fmt"
"io"
"github.com/chenmengangzhi29/douyin/dal/db"
"github.com/chenmengangzhi29/douyin/kitex_gen/user"
"github.com/chenmengangzhi29/douyin/pkg/errno"
)
type CheckUserService struct {
ctx context.Context
}
// NewCheckUserService new CheckUserService
func NewCheckUserService(ctx context.Context) *CheckUserService {
return &CheckUserService{
ctx: ctx,
}
}
// CheckUser check user info
func (s *CheckUserService) CheckUser(req *user.CheckUserRequest) (int64, error) {
h := md5.New()
if _, err := io.WriteString(h, req.Password); err != nil {
return 0, err
}
passWord := fmt.Sprintf("%x", h.Sum(nil))
userName := req.Username
users, err := db.QueryUserByName(s.ctx, userName)
if err != nil {
return 0, err
}
if len(users) == 0 {
return 0, errno.UserNotExistErr
}
u := users[0]
if u.Password != passWord {
return 0, errno.LoginErr
}
return int64(u.ID), nil
}