public DataServices(IDataBaseService dataBaseService)
 {
     LoginService         = new LoginService(dataBaseService);
     UserService          = new UserService(dataBaseService);
     DoctorService        = new DoctorService(dataBaseService);
     ConsultationService  = new ConsultationService(dataBaseService);
     SecureFileService    = new SecureFileService(dataBaseService, FileServiceFactory.GetFileSystem());
     NonSecureFileService = new NonSecureFileService(dataBaseService, FileServiceFactory.GetFileSystem());
 }