private void addPostLoadSubscription(final PostAdapter adapter) {
if (adapter.shouldShowLoadingIndicator()) adapter.showLoadingIndicator();
Map<String, String> options = adapter.getAdapterOptions();
String tag = options.get(PaginationAdapter.KEY_TAG);
final String anchor = options.get(PaginationAdapter.KEY_ANCHOR);
String nextPage = options.get(PaginationAdapter.KEY_NEXT_PAGE);
Observable<PostResponse> observable;
if (tag.equals(mPopularText)) {
observable = mDataManager.getPopularPosts(nextPage, anchor);
} else if (tag.equals(mEditorsPicksText)) {
observable = mDataManager.getEditorsPicksPosts(nextPage, anchor);
} else {
observable = mDataManager.getPostsByTag(tag, nextPage, anchor);
}
mCompositeSubscription.add(
observable
.observeOn(AndroidSchedulers.mainThread())
.subscribeOn(Schedulers.io())
.unsubscribeOn(Schedulers.io())
.subscribe(
new Subscriber<PostResponse>() {
@Override
public void onCompleted() {}
@Override
public void onError(Throwable e) {
adapter.removeLoadingIndicator();
if (adapter.size() == 0) {
adapter.showTryAgainCard();
} else {
Toast.makeText(
getActivity(),
getString(R.string.error_message_loading_more_posts),
Toast.LENGTH_SHORT)
.show();
}
Timber.e("There was an error loading the posts", e);
}
@Override
public void onNext(PostResponse postResponse) {
adapter.removeLoadingIndicator();
if (adapter.size() == 0 && postResponse.data.records.isEmpty()) {
adapter.showReloadCard();
} else {
if (anchor == null) adapter.setAnchor(postResponse.data.anchorStr);
adapter.setNextPage(postResponse.data.nextPage);
adapter.addAllItems(postResponse.data.records);
}
}
}));
}
