private void loadAndShowEpisodes(Category category) {
Observable.from(category.episodeUrls)
.flatMap(itemUrl -> apiAdapter.getEpisode(itemUrl))
.map(episode -> new Episode(episode.title))
.toList()
.filter(episodes -> !episodes.isEmpty())
.compose(RxUtils.<List<Episode>>applySchedulers())
.compose(RxLifecycle.bindUntilActivityEvent(lifecycle(), ActivityEvent.PAUSE))
.doOnSubscribe(() -> progressBar.setVisibility(View.VISIBLE))
.doOnCompleted(() -> progressBar.setVisibility(View.GONE))
.doOnError(throwable -> progressBar.setVisibility(View.GONE))
.subscribe(
episodeItems -> {
episodeAdapter.setEpisodes(episodeItems);
episodeAdapter.setDividers(category.dividers);
},
throwable -> {
Snackbar.make(rvEpisodes, R.string.error_loading_episodes, Snackbar.LENGTH_INDEFINITE)
.setAction(R.string.action_retry, v -> loadAndShowEpisodes(category))
.show();
});
}
private void initUI(Category category) {
// Get view references
final Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
final ImageView ivCategory = (ImageView) findViewById(R.id.iv_category);
progressBar = (ProgressBar) findViewById(R.id.progress_bar);
final TextView tvSummary = (TextView) findViewById(R.id.tv_summary);
// Set title
toolbar.setTitle(category.title);
setSupportActionBar(toolbar);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
// Set summary if available
if (category.summary.isEmpty()) {
tvSummary.setVisibility(View.GONE);
} else {
tvSummary.setText(category.summary);
}
// Setup recyclerview
rvEpisodes = (RecyclerView) findViewById(R.id.rv_episodes);
final RecyclerView.LayoutManager layoutManager =
new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false);
rvEpisodes.setLayoutManager(layoutManager);
episodeAdapter = new EpisodeAdapter(getApplicationContext());
rvEpisodes.setAdapter(episodeAdapter);
episodeAdapter.setOnEpisodeClickListener(
v -> Snackbar.make(rvEpisodes, R.string.play_video, Snackbar.LENGTH_SHORT).show());
// Load category image
Glide.with(this)
.load(category.imageUrl)
.placeholder(ContextCompat.getDrawable(this, R.drawable.placeholder))
.centerCrop()
.into(ivCategory);
}