func GetTeacherInfoByAdmin(w http.ResponseWriter, r *http.Request, userId string, userType models.UserType) interface{} {
	teacherUsername := r.PostFormValue("teacher_username")

	var result = map[string]interface{}{"state": "SUCCESS"}
	var al = buslogic.AdminLogic{}

	var teacherJson = make(map[string]interface{})
	teacher, err := al.GetTeacherInfoByAdmin(teacherUsername, userId, userType)
	if err != nil {
		ErrorHandler(w, r, err)
		return nil
	}
	teacherJson["teacher_username"] = teacher.Username
	teacherJson["fullname"] = teacher.Fullname
	teacherJson["gender"] = teacher.Gender
	teacherJson["major"] = teacher.Major
	teacherJson["academic"] = teacher.Academic
	teacherJson["aptitude"] = teacher.Aptitude
	teacherJson["problem"] = teacher.Problem
	result["teacher"] = teacherJson

	return result
}