Minor changes

app/src/main/java/eu/kanade/mangafeed/data/download/DownloadManager.java

@@ -340,6 +340,7 @@ public class DownloadManager {
     public void deleteChapter(Source source, Manga manga, Chapter chapter) {
         File path = getAbsoluteChapterDirectory(source, manga, chapter);
         DiskUtils.deleteFiles(path);
+        queue.remove(chapter);
     }
 
     public DownloadQueue getQueue() {

app/src/main/java/eu/kanade/mangafeed/data/download/model/Download.java

@@ -35,7 +35,6 @@ public class Download {
         this.source = source;
         this.manga = manga;
         this.chapter = chapter;
-        this.status = QUEUE;
     }
 
     public int getStatus() {

app/src/main/java/eu/kanade/mangafeed/data/download/model/DownloadQueue.java

@@ -3,7 +3,7 @@ package eu.kanade.mangafeed.data.download.model;
 import java.util.ArrayList;
 import java.util.List;
 
-import eu.kanade.mangafeed.data.download.model.Download;
+import eu.kanade.mangafeed.data.database.models.Chapter;
 import rx.Observable;
 import rx.subjects.PublishSubject;
 
@@ -19,14 +19,25 @@ public class DownloadQueue {
 
     public void add(Download download) {
         download.setStatusSubject(statusSubject);
+        download.setStatus(Download.QUEUE);
         queue.add(download);
     }
 
     public void remove(Download download) {
         queue.remove(download);
+        download.setStatus(Download.NOT_DOWNLOADED);
         download.setStatusSubject(null);
     }
 
+    public void remove(Chapter chapter) {
+        for (Download download : queue) {
+            if (download.chapter.id == chapter.id) {
+                remove(download);
+                break;
+            }
+        }
+    }
+
     public List<Download> get() {
         return queue;
     }

app/src/main/java/eu/kanade/mangafeed/ui/manga/chapter/ChaptersPresenter.java

@@ -22,7 +22,6 @@ import eu.kanade.mangafeed.ui.base.presenter.BasePresenter;
 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;
 
@@ -42,10 +41,6 @@ public class ChaptersPresenter extends BasePresenter<ChaptersFragment> {
     private static final int DB_CHAPTERS = 1;
     private static final int FETCH_CHAPTERS = 2;
 
-    private Subscription markReadSubscription;
-    private Subscription downloadSubscription;
-    private Subscription deleteSubscription;
-
     @Override
     protected void onCreate(Bundle savedState) {
         super.onCreate(savedState);
@@ -128,7 +123,7 @@ public class ChaptersPresenter extends BasePresenter<ChaptersFragment> {
     }
 
     public void markChaptersRead(Observable<Chapter> selectedChapters, boolean read) {
-        add(markReadSubscription = selectedChapters
+        add(selectedChapters
                 .subscribeOn(Schedulers.io())
                 .map(chapter -> {
                     chapter.read = read;
@@ -138,27 +133,23 @@ public class ChaptersPresenter extends BasePresenter<ChaptersFragment> {
                 .toList()
                 .flatMap(chapters -> db.insertChapters(chapters).createObservable())
                 .observeOn(AndroidSchedulers.mainThread())
-                .doOnCompleted(() -> remove(markReadSubscription))
-                .subscribe(result -> {
-                }));
+                .subscribe());
     }
 
     public void downloadChapters(Observable<Chapter> selectedChapters) {
-        add(downloadSubscription = selectedChapters
+        add(selectedChapters
                 .toList()
                 .subscribe(chapters -> {
                     EventBus.getDefault().postSticky(new DownloadChaptersEvent(manga, chapters));
-                    remove(downloadSubscription);
                 }));
     }
 
     public void deleteChapters(Observable<Chapter> selectedChapters) {
-        deleteSubscription = selectedChapters
-                .doOnCompleted(() -> remove(deleteSubscription))
+        add(selectedChapters
                 .subscribe(chapter -> {
                     downloadManager.deleteChapter(source, manga, chapter);
                     chapter.status = Download.NOT_DOWNLOADED;
-                });
+                }));
     }