func AddReservationByTeacher(w http.ResponseWriter, r *http.Request, userId string, userType models.UserType) interface{} {
	startTime := r.PostFormValue("start_time")
	endTime := r.PostFormValue("end_time")
	teacherFullname := r.PostFormValue("teacher_fullname")
	teacherMobile := r.PostFormValue("teacher_mobile")

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

	var reservationJson = make(map[string]interface{})
	reservation, err := tl.AddReservationByTeacher(startTime, endTime, teacherFullname, teacherMobile, userId, userType)
	if err != nil {
		ErrorHandler(w, r, err)
		return nil
	}
	reservationJson["reservation_id"] = reservation.Id
	reservationJson["start_time"] = reservation.StartTime.In(utils.Location).Format(utils.TIME_PATTERN)
	reservationJson["end_time"] = reservation.EndTime.In(utils.Location).Format(utils.TIME_PATTERN)
	reservationJson["teacher_fullname"] = reservation.TeacherFullname
	reservationJson["teacher_mobile"] = reservation.TeacherMobile
	result["reservation"] = reservationJson

	return result
}