Method CreateUser

cmd/user/command/userRegister.go:20–34

TODO use crypto algorithm for security

(req *user.BloomBlogUserRegisterRequest)

// TODO use crypto algorithm for security
func (s *CreateUserService) CreateUser(req *user.BloomBlogUserRegisterRequest) error {
	users, err := db.QueryUser(s.ctx, req.Username)
	if err != nil {
		return err
	}
	if len(users) != 0 {
		return errors.New("This username already exists")
	}
	return db.CreateUser(s.ctx, []*db.User{
		&db.User{
			UserName: req.Username,
			Password: req.Password,
		},
	})
}