private void buttonHomePage_Click(object sender, RoutedEventArgs e)
        {
            HomePageWindow homePageWindow = new HomePageWindow();

            homePageWindow.Show();
            this.Close();
        }
        private void buttonSend_Click(object sender, RoutedEventArgs e)
        {
            if (baddoc.IsChecked == true)
            {
                survey.DoctorGrade = Grade.BAD;
            }
            else if (gooddoc.IsChecked == true)
            {
                survey.DoctorGrade = Grade.GOOD;
            }
            else if (verygooddoc.IsChecked == true)
            {
                survey.DoctorGrade = Grade.VERYGOOD;
            }
            else
            {
                survey.DoctorGrade = Grade.EXCELLENT;
            }

            if (badstaff.IsChecked == true)
            {
                survey.StaffGrade = Grade.BAD;
            }
            else if (goodstaff.IsChecked == true)
            {
                survey.StaffGrade = Grade.GOOD;
            }
            else if (verygoodstaff.IsChecked == true)
            {
                survey.StaffGrade = Grade.VERYGOOD;
            }
            else
            {
                survey.StaffGrade = Grade.EXCELLENT;
            }

            if (badprivacy.IsChecked == true)
            {
                survey.PrivacyGrade = Grade.BAD;
            }
            else if (goodprivacy.IsChecked == true)
            {
                survey.PrivacyGrade = Grade.GOOD;
            }
            else if (verygoodprivacy.IsChecked == true)
            {
                survey.PrivacyGrade = Grade.VERYGOOD;
            }
            else
            {
                survey.PrivacyGrade = Grade.EXCELLENT;
            }

            survey.Content = comment.Text;

            if (searchSurveyForPatient != null)
            {
                surveyController.EditSurvey(survey);
                HomePageWindow homePageWindow = new HomePageWindow();
                homePageWindow.Show();
                this.Close();
                SuccessfulSendSurvey successfulSendSurvey = new SuccessfulSendSurvey();
                successfulSendSurvey.Show();
            }
            else
            {
                survey.JmbgOfPatient = MainWindow.patient.Jmbg;
                surveyController.AddSurvey(survey);
                HomePageWindow homePageWindow = new HomePageWindow();
                homePageWindow.Show();
                this.Close();
                SuccessfulSendSurvey successfulSendSurvey = new SuccessfulSendSurvey();
                successfulSendSurvey.Show();
            }
        }