func GetFeedbackByStudent(w http.ResponseWriter, r *http.Request, userId string, userType models.UserType) interface{} {
	reservationId := r.PostFormValue("reservation_id")
	studentId := r.PostFormValue("student_id")

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

	var feedbackJson = make(map[string]interface{})
	reservation, err := sl.GetFeedbackByStudent(reservationId, studentId)
	if err != nil {
		ErrorHandler(w, r, err)
		return nil
	}
	if len(reservation.StudentFeedback.Name) == 0 {
		feedbackJson["name"] = reservation.StudentInfo.Name
	} else {
		feedbackJson["name"] = reservation.StudentFeedback.Name
	}
	if len(reservation.StudentFeedback.Problem) == 0 {
		feedbackJson["problem"] = reservation.StudentInfo.Problem
	} else {
		feedbackJson["problem"] = reservation.StudentFeedback.Problem
	}
	feedbackJson["choices"] = reservation.StudentFeedback.Choices
	feedbackJson["score"] = reservation.StudentFeedback.Score
	feedbackJson["feedback"] = reservation.StudentFeedback.Feedback
	result["feedback"] = feedbackJson

	return result
}