* Remove unnecessary functions of User struct
* Move more database methods out of user struct
* Move more database methods out of user struct
* Fix template failure
* Fix bug
* Remove finished FIXME
* remove unnecessary code
* Use a standalone struct name for Organization
* recover unnecessary change
* make the code readable
* Fix template failure
* Fix template failure
* Move HasMemberWithUserID to org
* Fix test
* Remove unnecessary user type check
* Fix test
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>