@Override
public Single<ArrayList<GroupList>> getGroupList() {
Single<ArrayList<GroupList>> localGroups = mGroupManageLocalDataSource.getGroupList();
Single<ArrayList<GroupList>> remoteGroups = mGroupManageRemoteDataSource.getGroupList();
return RxUtil.filterEmpty(localGroups, remoteGroups);
}
@Override
public Observable<Boolean> updateGroupList(List<GroupList> groupLists) {
final Observable<Boolean> localResult = mGroupManageLocalDataSource.updateGroupList(groupLists);
Observable<Boolean> remoteResult = mGroupManageRemoteDataSource.updateGroupList(groupLists);
return remoteResult.flatMap(
new Function<Boolean, Observable<Boolean>>() {
@Override
public Observable<Boolean> apply(Boolean isSuccess) {
if (isSuccess) {
return localResult;
}
return ObservableHelper.just(false);
}
});
}
