/**
         * Method returns list of booked appointments for a month since today
         *
         * @return list of booked appointments for following month
         */
        public List <IModel> getBookedAppointmentsForNextMonth()
        {
            string today             = DateTime.Today.Date.ToString("yyyy-MM-dd");
            string oneMonthFromToday = DateTime.Today.AddMonths(1).Date.ToString("yyyy-MM-dd");

            return(repo.getBookedAppointmentsForNextMonth(today, oneMonthFromToday));
        }