private void initializeSubscriptions() {
if (downloadsSubscription != null && !downloadsSubscription.isUnsubscribed())
downloadsSubscription.unsubscribe();
if (threadsNumberSubscription != null && !threadsNumberSubscription.isUnsubscribed())
threadsNumberSubscription.unsubscribe();
threadsNumberSubscription =
preferences.downloadThreads().asObservable().subscribe(threadsNumber::onNext);
downloadsSubscription =
downloadsQueueSubject
.lift(new DynamicConcurrentMergeOperator<>(this::downloadChapter, threadsNumber))
.onBackpressureBuffer()
.observeOn(AndroidSchedulers.mainThread())
.map(download -> areAllDownloadsFinished())
.subscribe(
finished -> {
if (finished) {
DownloadService.stop(context);
}
},
e -> Timber.e(e.getCause(), e.getMessage()));
if (!isRunning) {
isRunning = true;
runningSubject.onNext(true);
}
}
// Get the absolute path to the chapter directory
public File getAbsoluteChapterDirectory(Source source, Manga manga, Chapter chapter) {
String chapterRelativePath =
source.getName()
+ File.separator
+ manga.title.replaceAll("[^\\sa-zA-Z0-9.-]", "_")
+ File.separator
+ chapter.name.replaceAll("[^\\sa-zA-Z0-9.-]", "_")
+ " ("
+ chapter.id
+ ")";
return new File(preferences.getDownloadsDirectory(), chapterRelativePath);
}