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#169: Update exif-file-info also updates mediadb without changing med…
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138 changes: 138 additions & 0 deletions
138
app/src/main/java/de/k3b/android/io/AndroidFileCommandsDbImpl.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,138 @@ | ||
| /* | ||
| * Copyright (c) 2015-2020 by k3b. | ||
| * | ||
| * This file is part of AndroFotoFinder / #APhotoManager. | ||
| * | ||
| * 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/> | ||
| */ | ||
|
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| package de.k3b.android.io; | ||
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| import android.content.ContentValues; | ||
| import android.net.Uri; | ||
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| import java.io.File; | ||
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| import de.k3b.android.androFotoFinder.queries.FotoSql; | ||
| import de.k3b.android.androFotoFinder.queries.MediaDBRepository; | ||
| import de.k3b.io.FileCommands; | ||
| import de.k3b.io.filefacade.IFile; | ||
| import de.k3b.media.PhotoPropertiesUtil; | ||
|
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| /** | ||
| * Api to manipulate files/photos. | ||
| * Same as FileCommands with update media database. | ||
| * <p> | ||
| * Created by k3b on 03.08.2015. | ||
| */ | ||
| public class AndroidFileCommandsDbImpl extends FileCommands { | ||
| /** | ||
| * copies a file from the sourceFullPath path to the target path. | ||
| * Android specific: also updates database. | ||
| * | ||
| * @param sourceFullPath the path of the file that shall be copied including the file name with ending | ||
| * @param targetFullPath the path of the file that shall be written to with filename | ||
| */ | ||
| @Override | ||
| protected boolean osFileCopy(IFile targetFullPath, IFile sourceFullPath) { | ||
| //!!! TODO muss noch getestet werden | ||
| final String srcPath = sourceFullPath.getAbsolutePath(); | ||
| String toPath = null; | ||
| boolean dbSuccess = false; | ||
| if (PhotoPropertiesUtil.isImage(srcPath, PhotoPropertiesUtil.IMG_TYPE_ALL)) { | ||
| toPath = new File(targetFullPath.getFile(), targetFullPath.getName()).getAbsolutePath(); | ||
| dbSuccess = (null != copyInDatabase("osFileCopy", srcPath, toPath)); | ||
| } | ||
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| if (dbSuccess) { | ||
| dbSuccess = super.osFileCopy(targetFullPath, sourceFullPath); | ||
| } | ||
| return dbSuccess; | ||
| } | ||
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| /** | ||
| * Moves a file from the sourceFullPath path to the target path. | ||
| * Android specific: also updates database. | ||
| * | ||
| * @param sourceFullPath the path of the file that shall be copied including the file name with ending | ||
| * @param targetFullPath the path of the file that shall be written to with filename | ||
| */ | ||
| @Override | ||
| protected boolean osFileMove(IFile targetFullPath, IFile sourceFullPath) { | ||
| final String srcPath = sourceFullPath.getAbsolutePath(); | ||
| String toPath = null; | ||
| boolean dbSuccess = false; | ||
| // Database update must be done before super.osFileMove to avoid deleting/recreating old file entry | ||
| if (PhotoPropertiesUtil.isImage(srcPath, PhotoPropertiesUtil.IMG_TYPE_ALL)) { | ||
| toPath = new File(targetFullPath.getFile(), targetFullPath.getName()).getAbsolutePath(); | ||
| dbSuccess = renameInDatabase("osFileMove", srcPath, toPath); | ||
| } | ||
| final boolean osSuccess = super.osFileMove(targetFullPath, sourceFullPath); | ||
| if (!osSuccess && dbSuccess) { | ||
| // os falled. Rollback | ||
| renameInDatabase("osFileMove-rollback", toPath, srcPath); | ||
| } | ||
| return osSuccess; | ||
| } | ||
|
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| /** | ||
| * Renames a file from the sourceFullPath path to the target path. | ||
| * Android specific: also updates database. | ||
| * | ||
| * @param sourceFullPath the path of the file that shall be copied including the file name with ending | ||
| * @param targetFullPath the path of the file that shall be written to with filename | ||
| */ | ||
| @Override | ||
| protected boolean osRenameTo(IFile targetFullPath, IFile sourceFullPath) { | ||
| final String srcPath = sourceFullPath.getAbsolutePath(); | ||
| String toPath = null; | ||
| boolean dbSuccess = false; | ||
| if (PhotoPropertiesUtil.isImage(srcPath, PhotoPropertiesUtil.IMG_TYPE_ALL)) { | ||
| toPath = targetFullPath.getAbsolutePath(); | ||
| dbSuccess = renameInDatabase("osRenameTo", srcPath, toPath); | ||
| } | ||
| final boolean osSuccess = super.osRenameTo(targetFullPath, sourceFullPath); | ||
| if (!osSuccess && dbSuccess) { | ||
| // os falled. Rollback | ||
| renameInDatabase("osRenameTo-rollback", toPath, srcPath); | ||
| } | ||
| return osSuccess; | ||
| } | ||
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| @Override | ||
| protected boolean osDeleteFile(IFile file) { | ||
| return super.osDeleteFile(file); | ||
| } | ||
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| private boolean renameInDatabase(String dbgContext, String fromPath, String toPath) { | ||
| ContentValues values = new ContentValues(); | ||
| values.put(FotoSql.SQL_COL_PATH, toPath); | ||
| final int execResultCount = FotoSql.getMediaDBApi(). | ||
| execUpdate(this.getClass().getSimpleName() + dbgContext, fromPath, values, null); | ||
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| return 1 == execResultCount; | ||
| } | ||
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| private Uri copyInDatabase(String dbgContext, String fromPath, String toPath) { | ||
| ContentValues values = MediaDBRepository.getContentValues(fromPath, null, dbgContext); | ||
| if (values != null) { | ||
| values.put(FotoSql.SQL_COL_PATH, toPath); | ||
| return FotoSql.getMediaDBApi(). | ||
| execInsert(this.getClass().getSimpleName() + dbgContext, values); | ||
| } | ||
| return null; | ||
| } | ||
|
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| } | ||
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