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/**
* Android ownCloud News
*
* @author David Luhmer
* @copyright 2013 David Luhmer david-dev@live.de
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
package de.luhmer.owncloudnewsreader.services;
import android.app.NotificationManager;
import android.content.Context;
import android.content.Intent;
import android.util.Log;
import androidx.annotation.NonNull;
import androidx.core.app.JobIntentService;
import androidx.core.app.NotificationCompat;
import com.nostra13.universalimageloader.core.ImageLoader;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import de.greenrobot.dao.query.LazyList;
import de.luhmer.owncloudnewsreader.R;
import de.luhmer.owncloudnewsreader.async_tasks.DownloadImageHandler;
import de.luhmer.owncloudnewsreader.database.DatabaseConnectionOrm;
import de.luhmer.owncloudnewsreader.database.model.Feed;
import de.luhmer.owncloudnewsreader.database.model.RssItem;
import de.luhmer.owncloudnewsreader.helper.FavIconHandler;
import de.luhmer.owncloudnewsreader.helper.ImageHandler;
import de.luhmer.owncloudnewsreader.notification.NextcloudNotificationManager;
public class DownloadImagesService extends JobIntentService {
public static final String LAST_ITEM_ID = "LAST_ITEM_ID";
private static final String TAG = DownloadImagesService.class.getCanonicalName();
public enum DownloadMode { FAVICONS_ONLY, PICTURES_ONLY, FAVICONS_AND_PICTURES }
public static final String DOWNLOAD_MODE_STRING = "DOWNLOAD_MODE";
private static Random random;
private int NOTIFICATION_ID = 1923;
private NotificationCompat.Builder mNotificationDownloadImages;
private int maxCount;
private NotificationManager mNotificationManager;
/**
* Unique job/channel ID for this service.
*/
private static final int JOB_ID = 1000;
private static final String CHANNEL_ID = "Download Images Service";
/**
* Convenience method for enqueuing work in to this service.
*/
public static void enqueueWork(Context context, Intent work) {
enqueueWork(context, DownloadImagesService.class, JOB_ID, work);
}
@Override
public void onCreate() {
super.onCreate();
try {
maxCount = 0;
if (random == null)
random = new Random();
NOTIFICATION_ID = random.nextInt();
mNotificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
} catch (Exception ex) {
ex.printStackTrace();
}
}
@Override
public void onDestroy() {
Log.d(TAG, "onDestroy");
if(mNotificationDownloadImages != null)
{
if(maxCount == 0) {
mNotificationManager.cancel(NOTIFICATION_ID);
}
}
super.onDestroy();
}
@Override
protected void onHandleWork(@NonNull Intent intent) {
DownloadMode downloadMode = (DownloadMode) intent.getSerializableExtra(DOWNLOAD_MODE_STRING);
DatabaseConnectionOrm dbConn = new DatabaseConnectionOrm(this);
mNotificationDownloadImages = NextcloudNotificationManager.buildNotificationDownloadImageService(this, CHANNEL_ID);
if(downloadMode.equals(DownloadMode.FAVICONS_ONLY)) {
List<Feed> feedList = dbConn.getListOfFeeds();
FavIconHandler favIconHandler = new FavIconHandler(getApplicationContext());
for(Feed feed : feedList) {
try {
favIconHandler.preCacheFavIcon(feed, getApplicationContext());
} catch(IllegalStateException ex) {
Log.e(TAG, ex.getMessage());
}
}
} else if(downloadMode.equals(DownloadMode.FAVICONS_AND_PICTURES) || downloadMode.equals(DownloadMode.PICTURES_ONLY)) {
long lastId = intent.getLongExtra(LAST_ITEM_ID, 0);
List<RssItem> rssItemList = dbConn.getAllItemsWithIdHigher(lastId);
List<String> links = new ArrayList<>();
for(RssItem rssItem : rssItemList) {
String body = rssItem.getBody();
links.addAll(ImageHandler.getImageLinksFromText(body));
if(links.size() > 10000) {
NextcloudNotificationManager.showNotificationImageDownloadLimitReached(this, CHANNEL_ID, 10000);
break;
}
}
((LazyList)rssItemList).close();
maxCount = links.size();
if (maxCount > 0) {
mNotificationManager.notify(NOTIFICATION_ID, mNotificationDownloadImages.build());
}
downloadImages(links);
}
}
private void downloadImages(List<String> linksToImages) {
try {
while(linksToImages.size() > 0) {
String link = linksToImages.remove(0);
new DownloadImageHandler(link).downloadSync();
updateNotificationProgress(linksToImages.size());
}
} catch (Exception ex) {
ex.printStackTrace();
Log.e(TAG, "Error while downloading images.");
mNotificationDownloadImages
.setContentText("Error while downloading images - " + ex.toString())
.setProgress(0, 0, false);
mNotificationManager.notify(NOTIFICATION_ID, mNotificationDownloadImages.build());
}
}
private void updateNotificationProgress(int remainingImagesCount) {
int count = maxCount - remainingImagesCount;
if(maxCount == count) {
mNotificationManager.cancel(NOTIFICATION_ID);
//RemoveOldImages();
} else {
mNotificationDownloadImages
.setContentText((count + 1) + "/" + maxCount + " - " + getString(R.string.notification_download_images_offline))
.setProgress(maxCount, count + 1, false);
mNotificationManager.notify(NOTIFICATION_ID, mNotificationDownloadImages.build());
}
}
private void RemoveOldImages() {
ImageLoader.getInstance().clearDiskCache();
}
}
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