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Code Issues Packages Projects Releases Wiki Activity

Insert or remove chapters with one subscriber

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This commit is contained in:
inorichi 2015-10-08 22:48:50 +02:00
parent 74ccd8bd24
commit ea8ded549b
2 changed files with 58 additions and 24 deletions
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39
app/src/main/java/com/pushtorefresh/storio/sqlite/operations/post/PostResult.java Normal file
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@ -0,0 +1,39 @@
package com.pushtorefresh.storio.sqlite.operations.post;
import android.support.annotation.Nullable;
/**
* Created by len on 08/10/2015.
*/
public class PostResult {
@Nullable
private final Integer numberOfRowsUpdated;
@Nullable
private final Integer numberOfRowsInserted;
@Nullable
private final Integer numberOfRowsDeleted;
public PostResult(Integer numberOfRowsUpdated, Integer numberOfRowsInserted, Integer numberOfRowsDeleted) {
this.numberOfRowsUpdated = numberOfRowsUpdated;
this.numberOfRowsInserted = numberOfRowsInserted;
this.numberOfRowsDeleted = numberOfRowsDeleted;
}
@Nullable
public Integer getNumberOfRowsUpdated() {
return numberOfRowsUpdated;
}
@Nullable
public Integer getNumberOfRowsInserted() {
return numberOfRowsInserted;
}
@Nullable
public Integer getNumberOfRowsDeleted() {
return numberOfRowsDeleted;
}
}

39
app/src/main/java/eu/kanade/mangafeed/data/managers/ChapterManagerImpl.java
View File

@ -4,11 +4,11 @@ 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.post.PostResult;
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.ArrayList;
import java.util.List;
import eu.kanade.mangafeed.data.models.Chapter;
@ -22,7 +22,7 @@ public class ChapterManagerImpl extends BaseManager implements ChapterManager {
super(db);
}
private PreparedGetListOfObjects<Chapter> prepareGet(Manga manga) {
private PreparedGetListOfObjects<Chapter> prepareGetChapters(Manga manga) {
return db.get()
.listOfObjects(Chapter.class)
.withQuery(Query.builder()
@ -35,7 +35,7 @@ public class ChapterManagerImpl extends BaseManager implements ChapterManager {
@Override
public Observable<List<Chapter>> getChapters(Manga manga) {
return prepareGet(manga).createObservable();
return prepareGetChapters(manga).createObservable();
}
@Override
@ -56,36 +56,31 @@ public class ChapterManagerImpl extends BaseManager implements ChapterManager {
// Add new chapters or delete if the source deletes them
@Override
public Observable insertOrRemoveChapters(Manga manga, List<Chapter> chapters) {
// I don't know a better approach
// TODO Fix this method
return Observable.create(subscriber -> {
List<Chapter> dbChapters = prepareGet(manga).executeAsBlocking();
public Observable<PostResult> insertOrRemoveChapters(Manga manga, List<Chapter> chapters) {
Observable<List<Chapter>> chapterList = Observable.create(subscriber -> {
subscriber.onNext(prepareGetChapters(manga).executeAsBlocking());
subscriber.onCompleted();
});
Observable<Integer> newChaptersObs =
Observable.from(chapters)
chapterList
.flatMap(dbChapters -> Observable.from(chapters)
.filter(c -> !dbChapters.contains(c))
.toList()
.flatMap(this::insertChapters)
.map(PutResults::numberOfInserts);
.map(PutResults::numberOfInserts));
Observable<Integer> deletedChaptersObs =
Observable.from(dbChapters)
chapterList
.flatMap(dbChapters -> Observable.from(dbChapters)
.filter(c -> !chapters.contains(c))
.toList()
.flatMap(this::deleteChapters)
.map(result -> result.results().size());
.map( d -> d.results().size() ));
Observable.zip(newChaptersObs, deletedChaptersObs,
(newChapters, deletedChapters) -> {
ArrayList<Integer> results = new ArrayList<>();
results.add(newChapters);
results.add(deletedChapters);
subscriber.onNext(results);
subscriber.onCompleted();
return results;
}).subscribe();
});
return Observable.zip(newChaptersObs, deletedChaptersObs,
(insertions, deletions) -> new PostResult(0, insertions, deletions)
);
}
@Override