public AppointmentService(IAppointmentRepo appointmentRepo, IVaccineRepo vaccineRepo, IAppointmentDataService dateService, IMapper mapper)
 {
     _appointmentRepo = appointmentRepo;
     _vaccineRepo     = vaccineRepo;
     _dateService     = dateService;
     _mapper          = mapper;
 }
 public VaccineService(IVaccineRepo vaccineRepo, IMapper mapper)
 {
     _vaccineRepo = vaccineRepo;
     _mapper      = mapper;
 }