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#173: Ao10-performance-Optimized-Mediacanner
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116 changes: 116 additions & 0 deletions
116
...n/java/de/k3b/android/util/Ao10DbUpdateOnlyPhotoPropertiesMediaFilesScannerAsyncTask.java
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| @@ -0,0 +1,116 @@ | ||
| /* | ||
| * Copyright (c) 2021 by k3b. | ||
| * | ||
| * This file is part of AndroFotoFinder. | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify it | ||
| * under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This program 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 General Public License | ||
| * for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License along with | ||
| * this program. If not, see <http://www.gnu.org/licenses/> | ||
| */ | ||
|
|
||
| package de.k3b.android.util; | ||
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|
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| import android.content.Context; | ||
| import android.content.SharedPreferences; | ||
| import android.database.Cursor; | ||
| import android.preference.PreferenceManager; | ||
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|
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| import java.util.ArrayList; | ||
| import java.util.Date; | ||
| import java.util.List; | ||
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|
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| import de.k3b.android.androFotoFinder.queries.FotoSql; | ||
| import de.k3b.android.androFotoFinder.queries.IMediaRepositoryApi; | ||
| import de.k3b.android.androFotoFinder.tagDB.TagSql; | ||
| import de.k3b.database.QueryParameter; | ||
| import de.k3b.io.IProgessListener; | ||
| import de.k3b.io.filefacade.FileFacade; | ||
| import de.k3b.io.filefacade.IFile; | ||
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|
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| public class Ao10DbUpdateOnlyPhotoPropertiesMediaFilesScannerAsyncTask extends RecursivePhotoPropertiesMediaFilesScannerAsyncTask { | ||
| private static final String AO_10_NEW_SCANN_LAST_DATE_ADDED = "ao10NewScannLastDateAdded"; | ||
| private final IMediaRepositoryApi mediaDBApi; | ||
| private final Date dateLastAdded; | ||
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| public Ao10DbUpdateOnlyPhotoPropertiesMediaFilesScannerAsyncTask( | ||
| IMediaRepositoryApi mediaDBApi, | ||
| PhotoPropertiesMediaFilesScanner scanner, | ||
| Context context, String why, | ||
| Date dateLastAdded, | ||
| IProgessListener progessListener) { | ||
| super(scanner, context, why, false, false, false, progessListener); | ||
| this.mediaDBApi = mediaDBApi; | ||
| this.dateLastAdded = dateLastAdded; | ||
| } | ||
|
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| public static void saveDateLastAdded(Context context, Date date) { | ||
| SharedPreferences sharedPref = PreferenceManager.getDefaultSharedPreferences(context); | ||
| SharedPreferences.Editor editor = sharedPref.edit(); | ||
| if (date != null) { | ||
| editor.putLong(AO_10_NEW_SCANN_LAST_DATE_ADDED, date.getTime()); | ||
| } else { | ||
| editor.remove(AO_10_NEW_SCANN_LAST_DATE_ADDED); | ||
| } | ||
| editor.commit(); | ||
| } | ||
|
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| public static Date loadDateLastAdded(Context context) { | ||
| SharedPreferences sharedPref = PreferenceManager.getDefaultSharedPreferences(context); | ||
| long result = sharedPref.getLong(AO_10_NEW_SCANN_LAST_DATE_ADDED, 0); | ||
| if (result == 0) return null; | ||
| return new Date(result); | ||
| } | ||
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| @Override | ||
| protected Integer doInBackground(IFile[]... pathNames) { | ||
| // do not call super.doInBackground here because logic is different | ||
| String dbgContext = "First APM-Re-Scan Photos"; | ||
| int resultCount = 0; | ||
| boolean oldValue = this.mScanner.setIgnoreNoMediaCheck(true); | ||
| StringBuilder outDebugLog = new StringBuilder(); | ||
| List<Long> notFound = new ArrayList<>(); | ||
| long dateAddedInSecs = 0; | ||
| try { | ||
| onProgress(0, 0, "#"); | ||
| QueryParameter query = TagSql.createQueryIdPathDateForMediaScan(dateLastAdded); | ||
| Cursor c = mediaDBApi.createCursorForQuery(outDebugLog, dbgContext, query, null, null); | ||
| int size = c.getCount(); | ||
| if (c.moveToFirst()) { | ||
| do { | ||
| long id = c.getLong(0); | ||
| String path = c.getString(1); | ||
| dateAddedInSecs = (!c.isNull(2)) ? c.getLong(2) : 0; | ||
| IFile file = FileFacade.convert(dbgContext, path); | ||
| int modifyCount = mScanner.updateAndroid42(mediaDBApi, dbgContext, id, file); | ||
| if (modifyCount == 0) notFound.add(id); | ||
| this.mFileCount++; | ||
| this.mCurrentFolder = path; | ||
| if (mFileCount % 10 == 1) { | ||
| onProgress(mFileCount, size, path); | ||
| } | ||
| } while (c.moveToNext()); | ||
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| } | ||
| } finally { | ||
| this.mScanner.setIgnoreNoMediaCheck(oldValue); | ||
| if (notFound.size() > 0) { | ||
| FotoSql.deleteMedia(mediaDBApi, dbgContext + " not found", notFound, false); | ||
| } | ||
| if (dateAddedInSecs != 0) { | ||
| saveDateLastAdded(mContext, new Date(dateAddedInSecs * 1000)); | ||
| } | ||
| } | ||
| return resultCount; | ||
| } | ||
|
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| // PhotoPropertiesMediaFilesScanner | ||
| } |
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