// Create a download object for every chapter in the event and add them to the downloads queue
public void onDownloadChaptersEvent(DownloadChaptersEvent event) {
final Manga manga = event.getManga();
final Source source = sourceManager.get(manga.source);
for (Chapter chapter : event.getChapters()) {
Download download = new Download(source, manga, chapter);
if (!prepareDownload(download)) {
queue.add(download);
if (isRunning) downloadsQueueSubject.onNext(download);
}
}
}
public boolean startDownloads() {
if (queue.isEmpty()) return false;
boolean hasPendingDownloads = false;
if (downloadsSubscription == null) initializeSubscriptions();
for (Download download : queue) {
if (download.getStatus() != Download.DOWNLOADED) {
if (download.getStatus() != Download.QUEUE) download.setStatus(Download.QUEUE);
if (!hasPendingDownloads) hasPendingDownloads = true;
downloadsQueueSubject.onNext(download);
}
}
return hasPendingDownloads;
}
private void checkDownloadIsSuccessful(final Download download) {
int actualProgress = 0;
int status = Download.DOWNLOADED;
// If any page has an error, the download result will be error
for (Page page : download.pages) {
actualProgress += page.getProgress();
if (page.getStatus() != Page.READY) status = Download.ERROR;
}
// Ensure that the chapter folder has all the images
if (!isChapterDownloaded(download.directory, download.pages)) {
status = Download.ERROR;
}
download.totalProgress = actualProgress;
download.setStatus(status);
// Delete successful downloads from queue after notifying
if (status == Download.DOWNLOADED) {
queue.remove(download);
}
}