Merge database operations in a single class, deleting duplicated methods (as observable or blocking) and let the consumer decide the option

app/src/main/java/eu/kanade/mangafeed/data/helpers/DatabaseHelper.java

@@ -5,17 +5,17 @@ import android.content.Context;
 import com.pushtorefresh.storio.sqlite.SQLiteTypeMapping;
 import com.pushtorefresh.storio.sqlite.StorIOSQLite;
 import com.pushtorefresh.storio.sqlite.impl.DefaultStorIOSQLite;
-import com.pushtorefresh.storio.sqlite.operations.delete.DeleteResult;
-import com.pushtorefresh.storio.sqlite.operations.delete.DeleteResults;
-import com.pushtorefresh.storio.sqlite.operations.put.PutResult;
+import com.pushtorefresh.storio.sqlite.operations.delete.PreparedDeleteCollectionOfObjects;
+import com.pushtorefresh.storio.sqlite.operations.delete.PreparedDeleteObject;
+import com.pushtorefresh.storio.sqlite.operations.get.PreparedGetListOfObjects;
+import com.pushtorefresh.storio.sqlite.operations.put.PreparedPutCollectionOfObjects;
+import com.pushtorefresh.storio.sqlite.operations.put.PreparedPutObject;
 import com.pushtorefresh.storio.sqlite.operations.put.PutResults;
+import com.pushtorefresh.storio.sqlite.queries.Query;
+import com.pushtorefresh.storio.sqlite.queries.RawQuery;
 
 import java.util.List;
 
-import eu.kanade.mangafeed.data.managers.ChapterManager;
-import eu.kanade.mangafeed.data.managers.ChapterManagerImpl;
-import eu.kanade.mangafeed.data.managers.MangaManager;
-import eu.kanade.mangafeed.data.managers.MangaManagerImpl;
 import eu.kanade.mangafeed.data.models.Chapter;
 import eu.kanade.mangafeed.data.models.ChapterStorIOSQLiteDeleteResolver;
 import eu.kanade.mangafeed.data.models.ChapterStorIOSQLiteGetResolver;
@@ -24,18 +24,18 @@ import eu.kanade.mangafeed.data.models.Manga;
 import eu.kanade.mangafeed.data.models.MangaStorIOSQLiteDeleteResolver;
 import eu.kanade.mangafeed.data.models.MangaStorIOSQLitePutResolver;
 import eu.kanade.mangafeed.data.resolvers.MangaWithUnreadGetResolver;
+import eu.kanade.mangafeed.data.tables.ChaptersTable;
+import eu.kanade.mangafeed.data.tables.MangasTable;
 import eu.kanade.mangafeed.util.PostResult;
 import rx.Observable;
 
-public class DatabaseHelper implements MangaManager, ChapterManager {
+public class DatabaseHelper {
 
-    private StorIOSQLite mDb;
-    private MangaManagerImpl mMangaManager;
-    private ChapterManagerImpl mChapterManager;
+    private StorIOSQLite db;
 
     public DatabaseHelper(Context context) {
 
-        mDb = DefaultStorIOSQLite.builder()
+        db = DefaultStorIOSQLite.builder()
                 .sqliteOpenHelper(new DbOpenHelper(context))
                 .addTypeMapping(Manga.class, SQLiteTypeMapping.<Manga>builder()
                         .putResolver(new MangaStorIOSQLitePutResolver())
@@ -48,103 +48,175 @@ public class DatabaseHelper implements MangaManager, ChapterManager {
                         .deleteResolver(new ChapterStorIOSQLiteDeleteResolver())
                         .build())
                 .build();
-
-        mMangaManager = new MangaManagerImpl(mDb);
-        mChapterManager = new ChapterManagerImpl(mDb);
-    }
-
-    @Override
-    public Observable<List<Chapter>> getChapters(Manga manga) {
-        return mChapterManager.getChapters(manga);
-    }
-
-    @Override
-    public Observable<List<Chapter>> getChapters(long manga_id) {
-        return mChapterManager.getChapters(manga_id);
     }
 
-    @Override
-    public Observable<PutResult> insertChapter(Chapter chapter) {
-        return mChapterManager.insertChapter(chapter);
-    }
-
-    @Override
-    public Observable<PutResults<Chapter>> insertChapters(List<Chapter> chapters) {
-        return mChapterManager.insertChapters(chapters);
+    // Mangas related queries
+
+    private final String favoriteMangasWithUnreadQuery = String.format(
+            "SELECT %1$s.*, COUNT(C.%4$s) AS %5$s FROM %1$s LEFT JOIN " +
+                    "(SELECT %4$s FROM %2$s WHERE %6$s = 0) AS C ON %3$s = C.%4$s " +
+                    "WHERE %7$s = 1 GROUP BY %3$s",
+            MangasTable.TABLE,
+            ChaptersTable.TABLE,
+            MangasTable.TABLE + "." + MangasTable.COLUMN_ID,
+            ChaptersTable.COLUMN_MANGA_ID,
+            MangasTable.COLUMN_UNREAD,
+            ChaptersTable.COLUMN_READ,
+            MangasTable.COLUMN_FAVORITE
+    );
+
+    public PreparedGetListOfObjects<Manga> getMangas() {
+        return db.get()
+                .listOfObjects(Manga.class)
+                .withQuery(Query.builder()
+                        .table(MangasTable.TABLE)
+                        .build())
+                .prepare();
     }
 
-    @Override
-    public PutResult insertChapterBlock(Chapter chapter) {
-        return mChapterManager.insertChapterBlock(chapter);
+    public PreparedGetListOfObjects<Manga> getMangasWithUnread() {
+        return db.get()
+                .listOfObjects(Manga.class)
+                .withQuery(RawQuery.builder()
+                        .query(favoriteMangasWithUnreadQuery)
+                        .observesTables(MangasTable.TABLE, ChaptersTable.TABLE)
+                        .build())
+                .prepare();
     }
 
-    @Override
-    public Observable<PostResult> insertOrRemoveChapters(Manga manga, List<Chapter> chapters) {
-        return mChapterManager.insertOrRemoveChapters(manga, chapters);
+    public PreparedGetListOfObjects<Manga> getFavoriteMangas() {
+        return db.get()
+                .listOfObjects(Manga.class)
+                .withQuery(Query.builder()
+                        .table(MangasTable.TABLE)
+                        .where(MangasTable.COLUMN_FAVORITE + "=?")
+                        .whereArgs(1)
+                        .build())
+                .prepare();
     }
 
-    @Override
-    public Observable<DeleteResult> deleteChapter(Chapter chapter) {
-        return mChapterManager.deleteChapter(chapter);
+    public PreparedGetListOfObjects<Manga> getManga(String url) {
+        return db.get()
+                .listOfObjects(Manga.class)
+                .withQuery(Query.builder()
+                        .table(MangasTable.TABLE)
+                        .where(MangasTable.COLUMN_URL + "=?")
+                        .whereArgs(url)
+                        .build())
+                .prepare();
     }
 
-    @Override
-    public Observable<DeleteResults<Chapter>> deleteChapters(List<Chapter> chapters) {
-        return mChapterManager.deleteChapters(chapters);
+    public PreparedGetListOfObjects<Manga> getManga(long id) {
+        return db.get()
+                .listOfObjects(Manga.class)
+                .withQuery(Query.builder()
+                        .table(MangasTable.TABLE)
+                        .where(MangasTable.COLUMN_ID + "=?")
+                        .whereArgs(id)
+                        .build())
+                .prepare();
     }
 
-    @Override
-    public Observable<List<Manga>> getMangas() {
-        return mMangaManager.getMangas();
+    public PreparedPutObject<Manga> insertManga(Manga manga) {
+        return db.put()
+                .object(manga)
+                .prepare();
     }
 
-    @Override
-    public Observable<List<Manga>> getMangasWithUnread() {
-        return mMangaManager.getMangasWithUnread();
+    public PreparedPutCollectionOfObjects<Manga> insertMangas(List<Manga> mangas) {
+        return db.put()
+                .objects(mangas)
+                .prepare();
     }
 
-    @Override
-    public Observable<List<Manga>> getFavoriteMangas() {
-        return mMangaManager.getFavoriteMangas();
+    public PreparedDeleteObject<Manga> deleteManga(Manga manga) {
+        return db.delete()
+                .object(manga)
+                .prepare();
     }
 
-    @Override
-    public Observable<List<Manga>> getManga(String url) {
-        return mMangaManager.getManga(url);
+    public PreparedDeleteCollectionOfObjects<Manga> deleteMangas(List<Manga> mangas) {
+        return db.delete()
+                .objects(mangas)
+                .prepare();
     }
 
-    @Override
-    public Observable<List<Manga>> getManga(long id) {
-        return mMangaManager.getManga(id);
-    }
 
-    @Override
-    public Manga getMangaBlock(String url) {
-        return mMangaManager.getMangaBlock(url);
-    }
+    // Chapters related queries
 
-    @Override
-    public Observable<PutResult> insertManga(Manga manga) {
-        return mMangaManager.insertManga(manga);
+    public PreparedGetListOfObjects<Chapter> getChapters(Manga manga) {
+        return db.get()
+                .listOfObjects(Chapter.class)
+                .withQuery(Query.builder()
+                        .table(ChaptersTable.TABLE)
+                        .where(ChaptersTable.COLUMN_MANGA_ID + "=?")
+                        .whereArgs(manga.id)
+                        .build())
+                .prepare();
     }
 
-    @Override
-    public Observable<PutResults<Manga>> insertMangas(List<Manga> mangas) {
-        return mMangaManager.insertMangas(mangas);
+    public PreparedGetListOfObjects<Chapter> getChapters(long manga_id) {
+        return db.get()
+                .listOfObjects(Chapter.class)
+                .withQuery(Query.builder()
+                        .table(ChaptersTable.TABLE)
+                        .where(ChaptersTable.COLUMN_MANGA_ID + "=?")
+                        .whereArgs(manga_id)
+                        .build())
+                .prepare();
     }
 
-    @Override
-    public PutResult insertMangaBlock(Manga manga) {
-        return mMangaManager.insertMangaBlock(manga);
+    public PreparedPutObject<Chapter> insertChapter(Chapter chapter) {
+        return db.put()
+                .object(chapter)
+                .prepare();
     }
 
-    @Override
-    public Observable<DeleteResult> deleteManga(Manga manga) {
-        return mMangaManager.deleteManga(manga);
+    public PreparedPutCollectionOfObjects<Chapter> insertChapters(List<Chapter> chapters) {
+        return db.put()
+                .objects(chapters)
+                .prepare();
     }
 
-    @Override
-    public Observable<DeleteResults<Manga>> deleteMangas(List<Manga> mangas) {
-        return mMangaManager.deleteMangas(mangas);
+    // Add new chapters or delete if the source deletes them
+    public Observable<PostResult> insertOrRemoveChapters(Manga manga, List<Chapter> chapters) {
+        for (Chapter chapter : chapters) {
+            chapter.manga_id = manga.id;
+        }
+
+        Observable<List<Chapter>> chapterList = Observable.create(subscriber -> {
+            subscriber.onNext(getChapters(manga).executeAsBlocking());
+            subscriber.onCompleted();
+        });
+
+        Observable<Integer> newChaptersObs = chapterList
+                .flatMap(dbChapters -> Observable.from(chapters)
+                        .filter(c -> !dbChapters.contains(c))
+                        .toList()
+                        .flatMap(newChapters -> insertChapters(newChapters).createObservable())
+                        .map(PutResults::numberOfInserts));
+
+        Observable<Integer> deletedChaptersObs = chapterList
+                .flatMap(dbChapters -> Observable.from(dbChapters)
+                        .filter(c -> !chapters.contains(c))
+                        .toList()
+                        .flatMap(deletedChapters -> deleteChapters(deletedChapters).createObservable())
+                        .map( d -> d.results().size() ));
+
+        return Observable.zip(newChaptersObs, deletedChaptersObs,
+                (insertions, deletions) -> new PostResult(0, insertions, deletions)
+        );
+    }
+
+    public PreparedDeleteObject<Chapter> deleteChapter(Chapter chapter) {
+        return db.delete()
+                .object(chapter)
+                .prepare();
+    }
+
+    public PreparedDeleteCollectionOfObjects<Chapter> deleteChapters(List<Chapter> chapters) {
+        return db.delete()
+                .objects(chapters)
+                .prepare();
     }
 }

app/src/main/java/eu/kanade/mangafeed/data/managers/BaseManager.java

@@ -1,12 +0,0 @@
-package eu.kanade.mangafeed.data.managers;
-
-import com.pushtorefresh.storio.sqlite.StorIOSQLite;
-
-public abstract class BaseManager {
-
-    protected StorIOSQLite db;
-
-    public BaseManager(StorIOSQLite db) {
-        this.db = db;
-    }
-}

app/src/main/java/eu/kanade/mangafeed/data/managers/ChapterManager.java

@@ -1,33 +0,0 @@
-package eu.kanade.mangafeed.data.managers;
-
-import com.pushtorefresh.storio.sqlite.operations.delete.DeleteResult;
-import com.pushtorefresh.storio.sqlite.operations.delete.DeleteResults;
-import com.pushtorefresh.storio.sqlite.operations.put.PutResult;
-import com.pushtorefresh.storio.sqlite.operations.put.PutResults;
-
-import java.util.List;
-
-import eu.kanade.mangafeed.data.models.Chapter;
-import eu.kanade.mangafeed.data.models.Manga;
-import eu.kanade.mangafeed.util.PostResult;
-import rx.Observable;
-
-public interface ChapterManager {
-
-    Observable<List<Chapter>> getChapters(Manga manga);
-
-    Observable<List<Chapter>> getChapters(long manga_id);
-
-    Observable<PutResult> insertChapter(Chapter chapter);
-
-    Observable<PutResults<Chapter>> insertChapters(List<Chapter> chapters);
-
-    PutResult insertChapterBlock(Chapter chapter);
-
-    Observable<PostResult> insertOrRemoveChapters(Manga manga, List<Chapter> chapters);
-
-    Observable<DeleteResult> deleteChapter(Chapter chapter);
-
-    Observable<DeleteResults<Chapter>> deleteChapters(List<Chapter> chapters);
-
-}

app/src/main/java/eu/kanade/mangafeed/data/managers/ChapterManagerImpl.java

@@ -1,125 +0,0 @@
-package eu.kanade.mangafeed.data.managers;
-
-import com.pushtorefresh.storio.sqlite.StorIOSQLite;
-import com.pushtorefresh.storio.sqlite.operations.delete.DeleteResult;
-import com.pushtorefresh.storio.sqlite.operations.delete.DeleteResults;
-import com.pushtorefresh.storio.sqlite.operations.get.PreparedGetListOfObjects;
-import com.pushtorefresh.storio.sqlite.operations.put.PutResult;
-import com.pushtorefresh.storio.sqlite.operations.put.PutResults;
-import com.pushtorefresh.storio.sqlite.queries.Query;
-
-import java.util.List;
-
-import eu.kanade.mangafeed.data.models.Chapter;
-import eu.kanade.mangafeed.data.models.Manga;
-import eu.kanade.mangafeed.data.tables.ChaptersTable;
-import eu.kanade.mangafeed.util.PostResult;
-import rx.Observable;
-
-public class ChapterManagerImpl extends BaseManager implements ChapterManager {
-
-    public ChapterManagerImpl(StorIOSQLite db) {
-        super(db);
-    }
-
-    private PreparedGetListOfObjects<Chapter> prepareGetChapters(Manga manga) {
-        return db.get()
-                .listOfObjects(Chapter.class)
-                .withQuery(Query.builder()
-                        .table(ChaptersTable.TABLE)
-                        .where(ChaptersTable.COLUMN_MANGA_ID + "=?")
-                        .whereArgs(manga.id)
-                        .build())
-                .prepare();
-    }
-
-    @Override
-    public Observable<List<Chapter>> getChapters(Manga manga) {
-        return prepareGetChapters(manga).createObservable();
-    }
-
-    @Override
-    public Observable<List<Chapter>> getChapters(long manga_id) {
-        return db.get()
-                .listOfObjects(Chapter.class)
-                .withQuery(Query.builder()
-                        .table(ChaptersTable.TABLE)
-                        .where(ChaptersTable.COLUMN_MANGA_ID + "=?")
-                        .whereArgs(manga_id)
-                        .build())
-                .prepare()
-                .createObservable();
-    }
-
-    @Override
-    public Observable<PutResult> insertChapter(Chapter chapter) {
-        return db.put()
-                .object(chapter)
-                .prepare()
-                .createObservable();
-    }
-
-    @Override
-    public Observable<PutResults<Chapter>> insertChapters(List<Chapter> chapters) {
-        return db.put()
-                .objects(chapters)
-                .prepare()
-                .createObservable();
-    }
-
-    @Override
-    public PutResult insertChapterBlock(Chapter chapter) {
-        return db.put()
-                .object(chapter)
-                .prepare()
-                .executeAsBlocking();
-    }
-
-    // Add new chapters or delete if the source deletes them
-    @Override
-    public Observable<PostResult> insertOrRemoveChapters(Manga manga, List<Chapter> chapters) {
-        for (Chapter chapter : chapters) {
-            chapter.manga_id = manga.id;
-        }
-
-        Observable<List<Chapter>> chapterList = Observable.create(subscriber -> {
-            subscriber.onNext(prepareGetChapters(manga).executeAsBlocking());
-            subscriber.onCompleted();
-        });
-
-        Observable<Integer> newChaptersObs = chapterList
-                .flatMap(dbChapters -> Observable.from(chapters)
-                        .filter(c -> !dbChapters.contains(c))
-                        .toList()
-                        .flatMap(this::insertChapters)
-                        .map(PutResults::numberOfInserts));
-
-        Observable<Integer> deletedChaptersObs = chapterList
-                .flatMap(dbChapters -> Observable.from(dbChapters)
-                        .filter(c -> !chapters.contains(c))
-                        .toList()
-                        .flatMap(this::deleteChapters)
-                        .map( d -> d.results().size() ));
-
-        return Observable.zip(newChaptersObs, deletedChaptersObs,
-                (insertions, deletions) -> new PostResult(0, insertions, deletions)
-        );
-    }
-
-    @Override
-    public Observable<DeleteResult> deleteChapter(Chapter chapter) {
-        return db.delete()
-                .object(chapter)
-                .prepare()
-                .createObservable();
-    }
-
-    @Override
-    public Observable<DeleteResults<Chapter>> deleteChapters(List<Chapter> chapters) {
-        return db.delete()
-                .objects(chapters)
-                .prepare()
-                .createObservable();
-    }
-
-}

app/src/main/java/eu/kanade/mangafeed/data/managers/MangaManager.java

@@ -1,37 +0,0 @@
-package eu.kanade.mangafeed.data.managers;
-
-import com.pushtorefresh.storio.sqlite.operations.delete.DeleteResult;
-import com.pushtorefresh.storio.sqlite.operations.delete.DeleteResults;
-import com.pushtorefresh.storio.sqlite.operations.put.PutResult;
-import com.pushtorefresh.storio.sqlite.operations.put.PutResults;
-
-import java.util.List;
-
-import eu.kanade.mangafeed.data.models.Manga;
-import rx.Observable;
-
-public interface MangaManager {
-
-    Observable<List<Manga>> getMangas();
-
-    Observable<List<Manga>> getMangasWithUnread();
-
-    Observable<List<Manga>> getFavoriteMangas();
-
-    Observable<List<Manga>> getManga(String url);
-
-    Observable<List<Manga>> getManga(long id);
-
-    Manga getMangaBlock(String url);
-
-    Observable<PutResult> insertManga(Manga manga);
-
-    Observable<PutResults<Manga>> insertMangas(List<Manga> mangas);
-
-    PutResult insertMangaBlock(Manga manga);
-
-    Observable<DeleteResult> deleteManga(Manga manga);
-
-    Observable<DeleteResults<Manga>> deleteMangas(List<Manga> mangas);
-
-}

app/src/main/java/eu/kanade/mangafeed/data/managers/MangaManagerImpl.java

@@ -1,147 +0,0 @@
-package eu.kanade.mangafeed.data.managers;
-
-import com.pushtorefresh.storio.sqlite.StorIOSQLite;
-import com.pushtorefresh.storio.sqlite.operations.delete.DeleteResult;
-import com.pushtorefresh.storio.sqlite.operations.delete.DeleteResults;
-import com.pushtorefresh.storio.sqlite.operations.put.PutResult;
-import com.pushtorefresh.storio.sqlite.operations.put.PutResults;
-import com.pushtorefresh.storio.sqlite.queries.Query;
-import com.pushtorefresh.storio.sqlite.queries.RawQuery;
-
-import java.util.List;
-
-import eu.kanade.mangafeed.data.models.Manga;
-import eu.kanade.mangafeed.data.tables.ChaptersTable;
-import eu.kanade.mangafeed.data.tables.MangasTable;
-import rx.Observable;
-
-public class MangaManagerImpl extends BaseManager implements MangaManager {
-
-    public MangaManagerImpl(StorIOSQLite db) {
-        super(db);
-    }
-
-    private final String favoriteMangasWithUnreadQuery = String.format(
-            "SELECT %1$s.*, COUNT(C.%4$s) AS %5$s FROM %1$s LEFT JOIN " +
-            "(SELECT %4$s FROM %2$s WHERE %6$s = 0) AS C ON %3$s = C.%4$s " +
-            "WHERE %7$s = 1 GROUP BY %3$s",
-            MangasTable.TABLE,
-            ChaptersTable.TABLE,
-            MangasTable.TABLE + "." + MangasTable.COLUMN_ID,
-            ChaptersTable.COLUMN_MANGA_ID,
-            MangasTable.COLUMN_UNREAD,
-            ChaptersTable.COLUMN_READ,
-            MangasTable.COLUMN_FAVORITE
-    );
-
-    public Observable<List<Manga>> getMangas() {
-        return db.get()
-                .listOfObjects(Manga.class)
-                .withQuery(Query.builder()
-                        .table(MangasTable.TABLE)
-                        .build())
-                .prepare()
-                .createObservable();
-    }
-
-    public Observable<List<Manga>> getMangasWithUnread() {
-        return db.get()
-                .listOfObjects(Manga.class)
-                .withQuery(RawQuery.builder()
-                        .query(favoriteMangasWithUnreadQuery)
-                        .observesTables(MangasTable.TABLE, ChaptersTable.TABLE)
-                        .build())
-                .prepare()
-                .createObservable();
-    }
-
-    @Override
-    public Observable<List<Manga>> getFavoriteMangas() {
-        return db.get()
-                .listOfObjects(Manga.class)
-                .withQuery(Query.builder()
-                        .table(MangasTable.TABLE)
-                        .where(MangasTable.COLUMN_FAVORITE + "=?")
-                        .whereArgs(1)
-                        .build())
-                .prepare()
-                .createObservable();
-    }
-
-    public Observable<List<Manga>> getManga(String url) {
-        return db.get()
-                .listOfObjects(Manga.class)
-                .withQuery(Query.builder()
-                        .table(MangasTable.TABLE)
-                        .where(MangasTable.COLUMN_URL + "=?")
-                        .whereArgs(url)
-                        .build())
-                .prepare()
-                .createObservable();
-    }
-
-    public Observable<List<Manga>> getManga(long id) {
-        return db.get()
-                .listOfObjects(Manga.class)
-                .withQuery(Query.builder()
-                        .table(MangasTable.TABLE)
-                        .where(MangasTable.COLUMN_ID + "=?")
-                        .whereArgs(id)
-                        .build())
-                .prepare()
-                .createObservable();
-    }
-
-    @Override
-    public Manga getMangaBlock(String url) {
-        List<Manga> result = db.get()
-                .listOfObjects(Manga.class)
-                .withQuery(Query.builder()
-                        .table(MangasTable.TABLE)
-                        .where(MangasTable.COLUMN_URL + "=?")
-                        .whereArgs(url)
-                        .build())
-                .prepare()
-                .executeAsBlocking();
-
-        if (result.isEmpty())
-            return null;
-
-        return result.get(0);
-    }
-
-    public Observable<PutResult> insertManga(Manga manga) {
-        return db.put()
-                .object(manga)
-                .prepare()
-                .createObservable();
-    }
-
-    public Observable<PutResults<Manga>> insertMangas(List<Manga> mangas) {
-        return db.put()
-                .objects(mangas)
-                .prepare()
-                .createObservable();
-    }
-
-    public PutResult insertMangaBlock(Manga manga) {
-        return db.put()
-                .object(manga)
-                .prepare()
-                .executeAsBlocking();
-    }
-
-    public Observable<DeleteResult> deleteManga(Manga manga) {
-        return db.delete()
-                .object(manga)
-                .prepare()
-                .createObservable();
-    }
-
-    public Observable<DeleteResults<Manga>> deleteMangas(List<Manga> mangas) {
-        return db.delete()
-                .objects(mangas)
-                .prepare()
-                .createObservable();
-    }
-}

app/src/main/java/eu/kanade/mangafeed/data/services/LibraryUpdateService.java

@@ -71,7 +71,7 @@ public class LibraryUpdateService extends Service {
         if (favoriteMangasSubscription != null && !favoriteMangasSubscription.isUnsubscribed())
             favoriteMangasSubscription.unsubscribe();
 
-        favoriteMangasSubscription = db.getFavoriteMangas()
+        favoriteMangasSubscription = db.getFavoriteMangas().createObservable()
                 .subscribe(mangas -> {
                     // Don't receive further db updates
                     favoriteMangasSubscription.unsubscribe();

app/src/main/java/eu/kanade/mangafeed/presenter/CataloguePresenter.java

@@ -112,9 +112,10 @@ public class CataloguePresenter extends BasePresenter<CatalogueFragment> {
     }
 
     private Manga networkToLocalManga(Manga networkManga) {
-        Manga localManga = db.getMangaBlock(networkManga.url);
+        List<Manga> dbResult = db.getManga(networkManga.url).executeAsBlocking();
+        Manga localManga = !dbResult.isEmpty() ? dbResult.get(0) : null;
         if (localManga == null) {
-            PutResult result = db.insertMangaBlock(networkManga);
+            PutResult result = db.insertManga(networkManga).executeAsBlocking();
             networkManga.id = result.insertedId();
             localManga = networkManga;
         }
@@ -154,7 +155,7 @@ public class CataloguePresenter extends BasePresenter<CatalogueFragment> {
                                 .subscribeOn(Schedulers.io())
                                 .flatMap(networkManga -> {
                                     Manga.copyFromNetwork(manga, networkManga);
-                                    db.insertMangaBlock(manga);
+                                    db.insertManga(manga).executeAsBlocking();
                                     return Observable.just(manga);
                                 });
                         mangaObservables.add(tempObs);

app/src/main/java/eu/kanade/mangafeed/presenter/LibraryPresenter.java

@@ -37,7 +37,7 @@ public class LibraryPresenter extends BasePresenter<LibraryFragment> {
         if (mFavoriteMangasSubscription != null)
             return;
 
-        add(mFavoriteMangasSubscription = db.getMangasWithUnread()
+        add(mFavoriteMangasSubscription = db.getMangasWithUnread().createObservable()
                 .subscribeOn(Schedulers.io())
                 .observeOn(AndroidSchedulers.mainThread())
                 .compose(deliverLatestCache())
@@ -57,7 +57,7 @@ public class LibraryPresenter extends BasePresenter<LibraryFragment> {
                     return manga;
                 })
                 .toList()
-                .flatMap(db::insertMangas)
+                .flatMap(mangas -> db.insertMangas(mangas).createObservable())
                 .subscribe());
     }
 

app/src/main/java/eu/kanade/mangafeed/presenter/MangaChaptersPresenter.java

@@ -101,7 +101,7 @@ public class MangaChaptersPresenter extends BasePresenter<MangaChaptersFragment>
     }
 
     private Observable<List<Chapter>> getDbChaptersObs() {
-        return db.getChapters(manga.id)
+        return db.getChapters(manga.id).createObservable()
                 .subscribeOn(Schedulers.io())
                 .observeOn(AndroidSchedulers.mainThread());
     }
@@ -126,7 +126,7 @@ public class MangaChaptersPresenter extends BasePresenter<MangaChaptersFragment>
                     return chapter;
                 })
                 .toList()
-                .flatMap(db::insertChapters)
+                .flatMap(chapters -> db.insertChapters(chapters).createObservable())
                 .observeOn(AndroidSchedulers.mainThread())
                 .doOnCompleted(() -> remove(markReadSubscription))
                 .subscribe(result -> {

app/src/main/java/eu/kanade/mangafeed/presenter/MangaDetailPresenter.java

@@ -42,7 +42,7 @@ public class MangaDetailPresenter extends BasePresenter<MangaDetailActivity> {
     }
 
     private Observable<Manga> getDbMangaObservable() {
-        return db.getManga(mangaId)
+        return db.getManga(mangaId).createObservable()
                 .subscribeOn(Schedulers.io())
                 .flatMap(Observable::from)
                 .observeOn(AndroidSchedulers.mainThread());

app/src/main/java/eu/kanade/mangafeed/presenter/MangaInfoPresenter.java

@@ -67,7 +67,7 @@ public class MangaInfoPresenter extends BasePresenter<MangaInfoFragment> {
 
     public void toggleFavorite() {
         manga.favorite = !manga.favorite;
-        db.insertMangaBlock(manga);
+        db.insertManga(manga).executeAsBlocking();
     }
 
 }

app/src/main/java/eu/kanade/mangafeed/presenter/ReaderPresenter.java

@@ -135,6 +135,6 @@ public class ReaderPresenter extends BasePresenter<ReaderActivity> {
         if (currentPage == pageList.size() - 1) {
             chapter.read = true;
         }
-        db.insertChapterBlock(chapter);
+        db.insertChapter(chapter).executeAsBlocking();
     }
 }