public OperationResultListVo <UserPreferencesViewModel> GetAll(Guid currentUserId) { try { IEnumerable <UserPreferences> allModels = userPreferencesDomainService.GetAll(); IEnumerable <UserPreferencesViewModel> vms = mapper.Map <IEnumerable <UserPreferences>, IEnumerable <UserPreferencesViewModel> >(allModels); return(new OperationResultListVo <UserPreferencesViewModel>(vms)); } catch (Exception ex) { return(new OperationResultListVo <UserPreferencesViewModel>(ex.Message)); } }