private Subscription fetchAndSave() {
return client
.getSessions(LocaleUtil.getCurrentLanguageId(getActivity()))
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(
dao::updateAllAsync, throwable -> Log.e(TAG, "Failed to fetchAndSave.", throwable));
}
protected Subscription loadData() {
Observable<List<Session>> cachedSessions = dao.findAll();
return cachedSessions
.flatMap(
sessions -> {
if (shouldRefresh || sessions.isEmpty()) {
return client
.getSessions(LocaleUtil.getCurrentLanguageId(getActivity()))
.doOnNext(dao::updateAllAsync);
} else {
return Observable.just(sessions);
}
})
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(this::onLoadDataSuccess, this::onLoadDataFailure);
}