2016-12-18 18:41:30 +01:00
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/*
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This file is part of Subsonic.
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2018-03-24 20:25:12 +01:00
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Subsonic is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Subsonic is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Subsonic. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2015 (C) Scott Jackson
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2016-12-18 18:41:30 +01:00
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*/
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2017-01-09 08:01:12 +01:00
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package net.nullsum.audinaut.fragments;
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2016-12-18 18:41:30 +01:00
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import android.app.SearchManager;
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import android.app.SearchableInfo;
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import android.content.Context;
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import android.os.Bundle;
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import android.support.v4.view.MenuItemCompat;
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import android.support.v4.widget.SwipeRefreshLayout;
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import android.support.v7.widget.GridLayoutManager;
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import android.support.v7.widget.RecyclerView;
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import android.support.v7.widget.SearchView;
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import android.util.Log;
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import android.view.LayoutInflater;
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import android.view.Menu;
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import android.view.MenuInflater;
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import android.view.MenuItem;
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import android.view.View;
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import android.view.ViewGroup;
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import java.io.Serializable;
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import java.util.ArrayList;
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import java.util.List;
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2017-01-09 08:01:12 +01:00
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import net.nullsum.audinaut.R;
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import net.nullsum.audinaut.adapter.SectionAdapter;
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import net.nullsum.audinaut.service.MusicService;
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import net.nullsum.audinaut.service.MusicServiceFactory;
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import net.nullsum.audinaut.util.Constants;
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import net.nullsum.audinaut.util.ProgressListener;
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import net.nullsum.audinaut.util.TabBackgroundTask;
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import net.nullsum.audinaut.view.FastScroller;
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2016-12-18 18:41:30 +01:00
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public abstract class SelectRecyclerFragment<T> extends SubsonicFragment implements SectionAdapter.OnItemClickedListener<T> {
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2018-03-24 20:25:12 +01:00
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private static final String TAG = SelectRecyclerFragment.class.getSimpleName();
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protected RecyclerView recyclerView;
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protected FastScroller fastScroller;
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protected SectionAdapter<T> adapter;
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protected UpdateTask currentTask;
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protected List<T> objects;
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protected boolean serialize = true;
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protected boolean largeAlbums = false;
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protected boolean pullToRefresh = true;
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protected boolean backgroundUpdate = true;
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@Override
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public void onCreate(Bundle bundle) {
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super.onCreate(bundle);
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if(bundle != null && serialize) {
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objects = (List<T>) bundle.getSerializable(Constants.FRAGMENT_LIST);
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}
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}
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@Override
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public void onSaveInstanceState(Bundle outState) {
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super.onSaveInstanceState(outState);
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if(serialize) {
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outState.putSerializable(Constants.FRAGMENT_LIST, (Serializable) objects);
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}
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}
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle bundle) {
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rootView = inflater.inflate(R.layout.abstract_recycler_fragment, container, false);
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refreshLayout = (SwipeRefreshLayout) rootView.findViewById(R.id.refresh_layout);
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refreshLayout.setOnRefreshListener(this);
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recyclerView = (RecyclerView) rootView.findViewById(R.id.fragment_recycler);
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fastScroller = (FastScroller) rootView.findViewById(R.id.fragment_fast_scroller);
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setupLayoutManager();
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if(pullToRefresh) {
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setupScrollList(recyclerView);
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} else {
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refreshLayout.setEnabled(false);
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}
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if(objects == null) {
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refresh(false);
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} else {
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recyclerView.setAdapter(adapter = getAdapter(objects));
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}
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return rootView;
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}
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@Override
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public void onCreateOptionsMenu(Menu menu, MenuInflater menuInflater) {
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if(!primaryFragment) {
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return;
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}
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menuInflater.inflate(getOptionsMenu(), menu);
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onFinishSetupOptionsMenu(menu);
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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return super.onOptionsItemSelected(item);
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}
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@Override
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public void setIsOnlyVisible(boolean isOnlyVisible) {
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boolean update = this.isOnlyVisible != isOnlyVisible;
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super.setIsOnlyVisible(isOnlyVisible);
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if(update && adapter != null) {
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RecyclerView.LayoutManager layoutManager = recyclerView.getLayoutManager();
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if(layoutManager instanceof GridLayoutManager) {
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((GridLayoutManager) layoutManager).setSpanCount(getRecyclerColumnCount());
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}
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}
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}
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@Override
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protected void refresh(final boolean refresh) {
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int titleRes = getTitleResource();
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if(titleRes != 0) {
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setTitle(getTitleResource());
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}
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if(backgroundUpdate) {
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recyclerView.setVisibility(View.GONE);
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}
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// Cancel current running task before starting another one
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if(currentTask != null) {
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currentTask.cancel();
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}
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currentTask = new UpdateTask(this, refresh);
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if(backgroundUpdate) {
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currentTask.execute();
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} else {
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objects = new ArrayList<T>();
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try {
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objects = getObjects(null, refresh, null);
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} catch (Exception x) {
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Log.e(TAG, "Failed to load", x);
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}
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currentTask.done(objects);
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}
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}
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public SectionAdapter getCurrentAdapter() {
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return adapter;
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}
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private void setupLayoutManager() {
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setupLayoutManager(recyclerView, largeAlbums);
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}
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public abstract int getOptionsMenu();
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public abstract SectionAdapter<T> getAdapter(List<T> objs);
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public abstract List<T> getObjects(MusicService musicService, boolean refresh, ProgressListener listener) throws Exception;
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public abstract int getTitleResource();
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public void onFinishRefresh() {
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}
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private class UpdateTask extends TabBackgroundTask<List<T>> {
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private boolean refresh;
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public UpdateTask(SubsonicFragment fragment, boolean refresh) {
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super(fragment);
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this.refresh = refresh;
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}
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@Override
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public List<T> doInBackground() throws Exception {
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MusicService musicService = MusicServiceFactory.getMusicService(context);
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objects = new ArrayList<T>();
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try {
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objects = getObjects(musicService, refresh, this);
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} catch (Exception x) {
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Log.e(TAG, "Failed to load", x);
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}
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return objects;
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}
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@Override
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public void done(List<T> result) {
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if (result != null && !result.isEmpty()) {
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recyclerView.setAdapter(adapter = getAdapter(result));
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if(!fastScroller.isAttached()) {
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fastScroller.attachRecyclerView(recyclerView);
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}
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onFinishRefresh();
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recyclerView.setVisibility(View.VISIBLE);
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} else {
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setEmpty(true);
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}
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currentTask = null;
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}
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}
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2016-12-18 18:41:30 +01:00
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}
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