TachiyomiSY-Plus/app/src/main/java/eu/kanade/mangafeed/presenter/MangaChaptersPresenter.java
2015-11-03 21:27:56 +01:00

150 lines
4.5 KiB
Java

package eu.kanade.mangafeed.presenter;
import android.os.Bundle;
import java.io.File;
import java.util.List;
import javax.inject.Inject;
import de.greenrobot.event.EventBus;
import eu.kanade.mangafeed.data.helpers.DatabaseHelper;
import eu.kanade.mangafeed.data.helpers.DownloadManager;
import eu.kanade.mangafeed.data.helpers.PreferencesHelper;
import eu.kanade.mangafeed.data.helpers.SourceManager;
import eu.kanade.mangafeed.data.models.Chapter;
import eu.kanade.mangafeed.data.models.Manga;
import eu.kanade.mangafeed.events.ChapterCountEvent;
import eu.kanade.mangafeed.events.SourceMangaChapterEvent;
import eu.kanade.mangafeed.sources.base.Source;
import eu.kanade.mangafeed.ui.fragment.MangaChaptersFragment;
import eu.kanade.mangafeed.util.EventBusHook;
import eu.kanade.mangafeed.util.PostResult;
import rx.Observable;
import rx.Subscription;
import rx.android.schedulers.AndroidSchedulers;
import rx.schedulers.Schedulers;
public class MangaChaptersPresenter extends BasePresenter<MangaChaptersFragment> {
@Inject DatabaseHelper db;
@Inject SourceManager sourceManager;
@Inject PreferencesHelper preferences;
@Inject DownloadManager downloadManager;
private Manga manga;
private Source source;
private static final int DB_CHAPTERS = 1;
private static final int ONLINE_CHAPTERS = 2;
private Subscription menuOperationSubscription;
@Override
protected void onCreate(Bundle savedState) {
super.onCreate(savedState);
restartableLatestCache(DB_CHAPTERS,
this::getDbChaptersObs,
(view, chapters) -> {
view.onNextChapters(chapters);
EventBus.getDefault().postSticky( new ChapterCountEvent(chapters.size()) );
}
);
restartableLatestCache(ONLINE_CHAPTERS,
this::getOnlineChaptersObs,
(view, result) -> view.onNextOnlineChapters()
);
}
@Override
protected void onTakeView(MangaChaptersFragment view) {
super.onTakeView(view);
registerForStickyEvents();
}
@Override
protected void onDropView() {
unregisterForEvents();
super.onDropView();
}
@Override
protected void onDestroy() {
super.onDestroy();
EventBus.getDefault().removeStickyEvent(ChapterCountEvent.class);
}
@EventBusHook
public void onEventMainThread(Manga manga) {
if (this.manga == null) {
this.manga = manga;
source = sourceManager.get(manga.source);
start(DB_CHAPTERS);
// Get chapters if it's an online source
if (getView() != null && getView().isOnlineManga()) {
refreshChapters();
}
}
}
public Manga getManga() {
return manga;
}
public void refreshChapters() {
if (getView() != null)
getView().setSwipeRefreshing();
start(ONLINE_CHAPTERS);
}
private Observable<List<Chapter>> getDbChaptersObs() {
return db.getChapters(manga.id)
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread());
}
private Observable<PostResult> getOnlineChaptersObs() {
return source
.pullChaptersFromNetwork(manga.url)
.subscribeOn(Schedulers.io())
.flatMap(chapters -> db.insertOrRemoveChapters(manga, chapters))
.observeOn(AndroidSchedulers.mainThread());
}
public void onChapterClicked(Chapter chapter) {
EventBus.getDefault().postSticky(new SourceMangaChapterEvent(source, manga, chapter));
}
public void markChaptersRead(Observable<Chapter> selectedChapters, boolean read) {
if (menuOperationSubscription != null)
remove(menuOperationSubscription);
add(menuOperationSubscription = selectedChapters
.subscribeOn(Schedulers.io())
.map(chapter -> {
chapter.read = read;
return chapter;
})
.toList()
.flatMap(db::insertChapters)
.observeOn(AndroidSchedulers.mainThread())
.subscribe(result -> {
}));
}
public void checkIsChapterDownloaded(Chapter chapter) {
File dir = downloadManager.getAbsoluteChapterDirectory(source, manga, chapter);
if (dir.exists() && dir.listFiles().length > 0) {
chapter.downloaded = Chapter.DOWNLOADED;
} else {
chapter.downloaded = Chapter.NOT_DOWNLOADED;
}
}
}