public List <Reservation> GetReservations(int patientId) { var reservations = patientMapper.GetReservations(patientId); if (reservations == null) { return(null); } var reservationsList = new List <Reservation>(); foreach (var reservation in reservations) { reservationsList.Add(new Reservation() { Date = reservation.Date, VetId = reservation.VetId, PatientId = reservation.PatientId, Id = reservation.Id }); } return(reservationsList); }