src/com/owncloud/android/datamodel/FileDataStorageManager.java

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   Copyright (C) 2012  Bartek Przybylski
   5  *   Copyright (C) 2015 ownCloud Inc.
   6  *
   7  *   This program is free software: you can redistribute it and/or modify
   8  *   it under the terms of the GNU General Public License version 2,
   9  *   as published by the Free Software Foundation.
  10  *
  11  *   This program is distributed in the hope that it will be useful,
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *   GNU General Public License for more details.
  15  *
  16  *   You should have received a copy of the GNU General Public License
  17  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  *
  19  */
  20
  21 package com.owncloud.android.datamodel;
  22
  23 import java.io.File;
  24 import java.util.ArrayList;
  25 import java.util.Collection;
  26 import java.util.Collections;
  27 import java.util.HashSet;
  28 import java.util.Iterator;
  29 import java.util.List;
  30 import java.util.Set;
  31 import java.util.Vector;
  32
  33 import android.accounts.Account;
  34 import android.content.ContentProvider;
  35 import android.content.ContentProviderClient;
  36 import android.content.ContentProviderOperation;
  37 import android.content.ContentProviderResult;
  38 import android.content.ContentResolver;
  39 import android.content.ContentUris;
  40 import android.content.ContentValues;
  41 import android.content.Intent;
  42 import android.content.OperationApplicationException;
  43 import android.database.Cursor;
  44 import android.net.Uri;
  45 import android.os.RemoteException;
  46 import android.provider.MediaStore;
  47
  48 import com.owncloud.android.MainApp;
  49 import com.owncloud.android.db.ProviderMeta.ProviderTableMeta;
  50 import com.owncloud.android.lib.common.utils.Log_OC;
  51 import com.owncloud.android.lib.resources.files.FileUtils;
  52 import com.owncloud.android.lib.resources.shares.OCShare;
  53 import com.owncloud.android.lib.resources.shares.ShareType;
  54 import com.owncloud.android.utils.FileStorageUtils;
  55
  56 import java.io.FileInputStream;
  57 import java.io.FileOutputStream;
  58 import java.io.IOException;
  59 import java.io.InputStream;
  60 import java.io.OutputStream;
  61
  62 public class FileDataStorageManager {
  63
  64     public static final int ROOT_PARENT_ID = 0;
  65
  66     private ContentResolver mContentResolver;
  67     private ContentProviderClient mContentProviderClient;
  68     private Account mAccount;
  69
  70     private static String TAG = FileDataStorageManager.class.getSimpleName();
  71
  72
  73     public FileDataStorageManager(Account account, ContentResolver cr) {
  74         mContentProviderClient = null;
  75         mContentResolver = cr;
  76         mAccount = account;
  77     }
  78
  79     public FileDataStorageManager(Account account, ContentProviderClient cp) {
  80         mContentProviderClient = cp;
  81         mContentResolver = null;
  82         mAccount = account;
  83     }
  84
  85
  86     public void setAccount(Account account) {
  87         mAccount = account;
  88     }
  89
  90     public Account getAccount() {
  91         return mAccount;
  92     }
  93
  94     public ContentResolver getContentResolver() {
  95         return mContentResolver;
  96     }
  97
  98     public ContentProviderClient getContentProviderClient() {
  99         return mContentProviderClient;
 100     }
 101
 102
 103     public OCFile getFileByPath(String path) {
 104         Cursor c = getCursorForValue(ProviderTableMeta.FILE_PATH, path);
 105         OCFile file = null;
 106         if (c.moveToFirst()) {
 107             file = createFileInstance(c);
 108         }
 109         c.close();
 110         if (file == null && OCFile.ROOT_PATH.equals(path)) {
 111             return createRootDir(); // root should always exist
 112         }
 113         return file;
 114     }
 115
 116
 117     public OCFile getFileById(long id) {
 118         Cursor c = getCursorForValue(ProviderTableMeta._ID, String.valueOf(id));
 119         OCFile file = null;
 120         if (c.moveToFirst()) {
 121             file = createFileInstance(c);
 122         }
 123         c.close();
 124         return file;
 125     }
 126
 127     public OCFile getFileByLocalPath(String path) {
 128         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 129         OCFile file = null;
 130         if (c.moveToFirst()) {
 131             file = createFileInstance(c);
 132         }
 133         c.close();
 134         return file;
 135     }
 136
 137     public boolean fileExists(long id) {
 138         return fileExists(ProviderTableMeta._ID, String.valueOf(id));
 139     }
 140
 141     public boolean fileExists(String path) {
 142         return fileExists(ProviderTableMeta.FILE_PATH, path);
 143     }
 144
 145
 146     public Vector<OCFile> getFolderContent(OCFile f/*, boolean onlyOnDevice*/) {
 147         if (f != null && f.isFolder() && f.getFileId() != -1) {
 148             // TODO Enable when "On Device" is recovered ?
 149             return getFolderContent(f.getFileId()/*, onlyOnDevice*/);
 150
 151         } else {
 152             return new Vector<OCFile>();
 153         }
 154     }
 155
 156
 157     public Vector<OCFile> getFolderImages(OCFile folder/*, boolean onlyOnDevice*/) {
 158         Vector<OCFile> ret = new Vector<OCFile>();
 159         if (folder != null) {
 160             // TODO better implementation, filtering in the access to database instead of here
 161             // TODO Enable when "On Device" is recovered ?
 162             Vector<OCFile> tmp = getFolderContent(folder/*, onlyOnDevice*/);
 163             OCFile current = null;
 164             for (int i=0; i<tmp.size(); i++) {
 165                 current = tmp.get(i);
 166                 if (current.isImage()) {
 167                     ret.add(current);
 168                 }
 169             }
 170         }
 171         return ret;
 172     }
 173
 174     public boolean saveFile(OCFile file) {
 175         boolean overriden = false;
 176         ContentValues cv = new ContentValues();
 177         cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 178         cv.put(
 179             ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 180             file.getModificationTimestampAtLastSyncForData()
 181         );
 182         cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 183         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 184         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 185         cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 186         cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 187         cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 188         if (!file.isFolder())
 189             cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 190         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 191         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 192         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 193         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.isFavorite() ? 1 : 0);
 194         cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 195         cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, file.isSharedViaLink() ? 1 : 0);
 196         cv.put(ProviderTableMeta.FILE_SHARED_VIA_USERS, file.isSharedViaUsers() ? 1 : 0);
 197         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 198         cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 199         cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 200         cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
 201         cv.put(ProviderTableMeta.FILE_IS_DOWNLOADING, file.isDownloading());
 202         cv.put(ProviderTableMeta.FILE_ETAG_IN_CONFLICT, file.getEtagInConflict());
 203
 204         boolean sameRemotePath = fileExists(file.getRemotePath());
 205         if (sameRemotePath ||                fileExists(file.getFileId())) {           // for renamed files; no more delete and create
 206
 207             OCFile oldFile;
 208             if (sameRemotePath) {
 209                 oldFile = getFileByPath(file.getRemotePath());
 210                 file.setFileId(oldFile.getFileId());
 211             } else {
 212                 oldFile = getFileById(file.getFileId());
 213             }
 214
 215             overriden = true;
 216             if (getContentResolver() != null) {
 217                 getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv,
 218                         ProviderTableMeta._ID + "=?",
 219                         new String[]{String.valueOf(file.getFileId())});
 220             } else {
 221                 try {
 222                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI,
 223                             cv, ProviderTableMeta._ID + "=?",
 224                             new String[]{String.valueOf(file.getFileId())});
 225                 } catch (RemoteException e) {
 226                     Log_OC.e(TAG,
 227                             "Fail to insert insert file to database "
 228                                     + e.getMessage());
 229                 }
 230             }
 231         } else {
 232             Uri result_uri = null;
 233             if (getContentResolver() != null) {
 234                 result_uri = getContentResolver().insert(
 235                         ProviderTableMeta.CONTENT_URI_FILE, cv);
 236             } else {
 237                 try {
 238                     result_uri = getContentProviderClient().insert(
 239                             ProviderTableMeta.CONTENT_URI_FILE, cv);
 240                 } catch (RemoteException e) {
 241                     Log_OC.e(TAG,
 242                             "Fail to insert insert file to database "
 243                                     + e.getMessage());
 244                 }
 245             }
 246             if (result_uri != null) {
 247                 long new_id = Long.parseLong(result_uri.getPathSegments()
 248                         .get(1));
 249                 file.setFileId(new_id);
 250             }
 251         }
 252
 253         return overriden;
 254     }
 255
 256
 257     /**
 258      * Inserts or updates the list of files contained in a given folder.
 259      * <p/>
 260      * CALLER IS THE RESPONSIBLE FOR GRANTING RIGHT UPDATE OF INFORMATION, NOT THIS METHOD.
 261      * HERE ONLY DATA CONSISTENCY SHOULD BE GRANTED
 262      *
 263      * @param folder
 264      * @param updatedFiles
 265      * @param filesToRemove
 266      */
 267     public void saveFolder(
 268             OCFile folder, Collection<OCFile> updatedFiles, Collection<OCFile> filesToRemove
 269         ) {
 270
 271         Log_OC.d(TAG,  "Saving folder " + folder.getRemotePath() + " with " + updatedFiles.size()
 272                 + " children and " + filesToRemove.size() + " files to remove");
 273
 274         ArrayList<ContentProviderOperation> operations =
 275                 new ArrayList<ContentProviderOperation>(updatedFiles.size());
 276
 277         // prepare operations to insert or update files to save in the given folder
 278         for (OCFile file : updatedFiles) {
 279             ContentValues cv = new ContentValues();
 280             cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 281             cv.put(
 282                 ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 283                 file.getModificationTimestampAtLastSyncForData()
 284             );
 285             cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 286             cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 287             cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 288             cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 289             //cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 290             cv.put(ProviderTableMeta.FILE_PARENT, folder.getFileId());
 291             cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 292             if (!file.isFolder()) {
 293                 cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 294             }
 295             cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 296             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 297             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 298             cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.isFavorite() ? 1 : 0);
 299             cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 300             cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, file.isSharedViaLink() ? 1 : 0);
 301             cv.put(ProviderTableMeta.FILE_SHARED_VIA_USERS, file.isSharedViaUsers() ? 1 : 0);
 302             cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 303             cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 304             cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 305             cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
 306             cv.put(ProviderTableMeta.FILE_IS_DOWNLOADING, file.isDownloading());
 307             cv.put(ProviderTableMeta.FILE_ETAG_IN_CONFLICT, file.getEtagInConflict());
 308
 309             boolean existsByPath = fileExists(file.getRemotePath());
 310             if (existsByPath || fileExists(file.getFileId())) {
 311                 // updating an existing file
 312                 operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 313                         withValues(cv).
 314                         withSelection(ProviderTableMeta._ID + "=?",
 315                                 new String[]{String.valueOf(file.getFileId())})
 316                         .build());
 317
 318             } else {
 319                 // adding a new file
 320                 operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
 321                         withValues(cv).build());
 322             }
 323         }
 324
 325         // prepare operations to remove files in the given folder
 326         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 327                 ProviderTableMeta.FILE_PATH + "=?";
 328         String [] whereArgs = null;
 329         for (OCFile file : filesToRemove) {
 330             if (file.getParentId() == folder.getFileId()) {
 331                 whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 332                 if (file.isFolder()) {
 333                     operations.add(ContentProviderOperation.newDelete(
 334                             ContentUris.withAppendedId(
 335                                     ProviderTableMeta.CONTENT_URI_DIR, file.getFileId()
 336                             )
 337                     ).withSelection(where, whereArgs).build());
 338
 339                     File localFolder =
 340                             new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 341                     if (localFolder.exists()) {
 342                         removeLocalFolder(localFolder);
 343                     }
 344                 } else {
 345                     operations.add(ContentProviderOperation.newDelete(
 346                             ContentUris.withAppendedId(
 347                                     ProviderTableMeta.CONTENT_URI_FILE, file.getFileId()
 348                             )
 349                     ).withSelection(where, whereArgs).build());
 350
 351                     if (file.isDown()) {
 352                         String path = file.getStoragePath();
 353                         new File(path).delete();
 354                         triggerMediaScan(path); // notify MediaScanner about removed file
 355                     }
 356                 }
 357             }
 358         }
 359
 360         // update metadata of folder
 361         ContentValues cv = new ContentValues();
 362         cv.put(ProviderTableMeta.FILE_MODIFIED, folder.getModificationTimestamp());
 363         cv.put(
 364             ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 365             folder.getModificationTimestampAtLastSyncForData()
 366         );
 367         cv.put(ProviderTableMeta.FILE_CREATION, folder.getCreationTimestamp());
 368         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, 0);
 369         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, folder.getMimetype());
 370         cv.put(ProviderTableMeta.FILE_NAME, folder.getFileName());
 371         cv.put(ProviderTableMeta.FILE_PARENT, folder.getParentId());
 372         cv.put(ProviderTableMeta.FILE_PATH, folder.getRemotePath());
 373         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 374         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, folder.getLastSyncDateForProperties());
 375         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, folder.getLastSyncDateForData());
 376         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, folder.isFavorite() ? 1 : 0);
 377         cv.put(ProviderTableMeta.FILE_ETAG, folder.getEtag());
 378         cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, folder.isSharedViaLink() ? 1 : 0);
 379         cv.put(ProviderTableMeta.FILE_SHARED_VIA_USERS, folder.isSharedViaUsers() ? 1 : 0);
 380         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, folder.getPublicLink());
 381         cv.put(ProviderTableMeta.FILE_PERMISSIONS, folder.getPermissions());
 382         cv.put(ProviderTableMeta.FILE_REMOTE_ID, folder.getRemoteId());
 383
 384         operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 385                 withValues(cv).
 386                 withSelection(ProviderTableMeta._ID + "=?",
 387                         new String[]{String.valueOf(folder.getFileId())})
 388                 .build());
 389
 390         // apply operations in batch
 391         ContentProviderResult[] results = null;
 392         Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
 393         try {
 394             if (getContentResolver() != null) {
 395                 results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 396
 397             } else {
 398                 results = getContentProviderClient().applyBatch(operations);
 399             }
 400
 401         } catch (OperationApplicationException e) {
 402             Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
 403
 404         } catch (RemoteException e) {
 405             Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
 406         }
 407
 408         // update new id in file objects for insertions
 409         if (results != null) {
 410             long newId;
 411             Iterator<OCFile> filesIt = updatedFiles.iterator();
 412             OCFile file = null;
 413             for (int i = 0; i < results.length; i++) {
 414                 if (filesIt.hasNext()) {
 415                     file = filesIt.next();
 416                 } else {
 417                     file = null;
 418                 }
 419                 if (results[i].uri != null) {
 420                     newId = Long.parseLong(results[i].uri.getPathSegments().get(1));
 421                     //updatedFiles.get(i).setFileId(newId);
 422                     if (file != null) {
 423                         file.setFileId(newId);
 424                     }
 425                 }
 426             }
 427         }
 428
 429     }
 430
 431
 432     public boolean removeFile(OCFile file, boolean removeDBData, boolean removeLocalCopy) {
 433         boolean success = true;
 434         if (file != null) {
 435             if (file.isFolder()) {
 436                 success = removeFolder(file, removeDBData, removeLocalCopy);
 437
 438             } else {
 439                 if (removeDBData) {
 440                     //Uri file_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE, ""+file.getFileId());
 441                     Uri file_uri = ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_FILE, file.getFileId());
 442                     String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " + ProviderTableMeta.FILE_PATH + "=?";
 443                     String[] whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 444                     int deleted = 0;
 445                     if (getContentProviderClient() != null) {
 446                         try {
 447                             deleted = getContentProviderClient().delete(file_uri, where, whereArgs);
 448                         } catch (RemoteException e) {
 449                             e.printStackTrace();
 450                         }
 451                     } else {
 452                         deleted = getContentResolver().delete(file_uri, where, whereArgs);
 453                     }
 454                     success &= (deleted > 0);
 455                 }
 456                 String localPath = file.getStoragePath();
 457                 if (removeLocalCopy && file.isDown() && localPath != null && success) {
 458                     success = new File(localPath).delete();
 459                     if (success) {
 460                         deleteFileInMediaScan(localPath);
 461                     }
 462                     if (!removeDBData && success) {
 463                         // maybe unnecessary, but should be checked TODO remove if unnecessary
 464                         file.setStoragePath(null);
 465                         saveFile(file);
 466                         saveConflict(file, null);
 467                     }
 468                 }
 469             }
 470         }
 471         return success;
 472     }
 473
 474
 475     public boolean removeFolder(OCFile folder, boolean removeDBData, boolean removeLocalContent) {
 476         boolean success = true;
 477         if (folder != null && folder.isFolder()) {
 478             if (removeDBData && folder.getFileId() != -1) {
 479                 success = removeFolderInDb(folder);
 480             }
 481             if (removeLocalContent && success) {
 482                 success = removeLocalFolder(folder);
 483             }
 484         }
 485         return success;
 486     }
 487
 488     private boolean removeFolderInDb(OCFile folder) {
 489         Uri folder_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, "" +
 490                 folder.getFileId());   // URI for recursive deletion
 491         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 492                 ProviderTableMeta.FILE_PATH + "=?";
 493         String [] whereArgs = new String[]{mAccount.name, folder.getRemotePath()};
 494         int deleted = 0;
 495         if (getContentProviderClient() != null) {
 496             try {
 497                 deleted = getContentProviderClient().delete(folder_uri, where, whereArgs);
 498             } catch (RemoteException e) {
 499                 e.printStackTrace();
 500             }
 501         } else {
 502             deleted = getContentResolver().delete(folder_uri, where, whereArgs);
 503         }
 504         return deleted > 0;
 505     }
 506
 507     private boolean removeLocalFolder(OCFile folder) {
 508         boolean success = true;
 509         String localFolderPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, folder);
 510         File localFolder = new File(localFolderPath);
 511         if (localFolder.exists()) {
 512             // stage 1: remove the local files already registered in the files database
 513             // TODO Enable when "On Device" is recovered ?
 514             Vector<OCFile> files = getFolderContent(folder.getFileId()/*, false*/);
 515             if (files != null) {
 516                 for (OCFile file : files) {
 517                     if (file.isFolder()) {
 518                         success &= removeLocalFolder(file);
 519                     } else {
 520                         if (file.isDown()) {
 521                             File localFile = new File(file.getStoragePath());
 522                             success &= localFile.delete();
 523                             if (success) {
 524                                 // notify MediaScanner about removed file
 525                                 deleteFileInMediaScan(file.getStoragePath());
 526                                 file.setStoragePath(null);
 527                                 saveFile(file);
 528                             }
 529                         }
 530                     }
 531                 }
 532             }
 533
 534             // stage 2: remove the folder itself and any local file inside out of sync;
 535             //          for instance, after clearing the app cache or reinstalling
 536             success &= removeLocalFolder(localFolder);
 537         }
 538         return success;
 539     }
 540
 541     private boolean removeLocalFolder(File localFolder) {
 542         boolean success = true;
 543         File[] localFiles = localFolder.listFiles();
 544         if (localFiles != null) {
 545             for (File localFile : localFiles) {
 546                 if (localFile.isDirectory()) {
 547                     success &= removeLocalFolder(localFile);
 548                 } else {
 549                     String path = localFile.getAbsolutePath();
 550                     success &= localFile.delete();
 551                 }
 552             }
 553         }
 554         success &= localFolder.delete();
 555         return success;
 556     }
 557
 558
 559     /**
 560      * Updates database and file system for a file or folder that was moved to a different location.
 561      *
 562      * TODO explore better (faster) implementations
 563      * TODO throw exceptions up !
 564      */
 565     public void moveLocalFile(OCFile file, String targetPath, String targetParentPath) {
 566
 567         if (file != null && file.fileExists() && !OCFile.ROOT_PATH.equals(file.getFileName())) {
 568
 569             OCFile targetParent = getFileByPath(targetParentPath);
 570             if (targetParent == null) {
 571                 throw new IllegalStateException("Parent folder of the target path does not exist!!");
 572             }
 573
 574             /// 1. get all the descendants of the moved element in a single QUERY
 575             Cursor c = null;
 576             if (getContentProviderClient() != null) {
 577                 try {
 578                     c = getContentProviderClient().query(
 579                             ProviderTableMeta.CONTENT_URI,
 580                             null,
 581                             ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 582                                     ProviderTableMeta.FILE_PATH + " LIKE ? ",
 583                             new String[]{
 584                                     mAccount.name,
 585                                     file.getRemotePath() + "%"
 586                             },
 587                             ProviderTableMeta.FILE_PATH + " ASC "
 588                     );
 589                 } catch (RemoteException e) {
 590                     Log_OC.e(TAG, e.getMessage());
 591                 }
 592
 593             } else {
 594                 c = getContentResolver().query(
 595                         ProviderTableMeta.CONTENT_URI,
 596                         null,
 597                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 598                                 ProviderTableMeta.FILE_PATH + " LIKE ? ",
 599                         new String[]{
 600                                 mAccount.name,
 601                                 file.getRemotePath() + "%"
 602                         },
 603                         ProviderTableMeta.FILE_PATH + " ASC "
 604                 );
 605             }
 606
 607             /// 2. prepare a batch of update operations to change all the descendants
 608             ArrayList<ContentProviderOperation> operations =
 609                     new ArrayList<ContentProviderOperation>(c.getCount());
 610             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 611             List<String> originalPathsToTriggerMediaScan = new ArrayList<String>();
 612             List<String> newPathsToTriggerMediaScan = new ArrayList<String>();
 613             if (c.moveToFirst()) {
 614                 int lengthOfOldPath = file.getRemotePath().length();
 615                 int lengthOfOldStoragePath = defaultSavePath.length() + lengthOfOldPath;
 616                 do {
 617                     ContentValues cv = new ContentValues(); // keep construction in the loop
 618                     OCFile child = createFileInstance(c);
 619                     cv.put(
 620                             ProviderTableMeta.FILE_PATH,
 621                             targetPath + child.getRemotePath().substring(lengthOfOldPath)
 622                     );
 623                     if (child.getStoragePath() != null &&
 624                             child.getStoragePath().startsWith(defaultSavePath)) {
 625                         // update link to downloaded content - but local move is not done here!
 626                         String targetLocalPath = defaultSavePath + targetPath +
 627                                 child.getStoragePath().substring(lengthOfOldStoragePath);
 628
 629                         cv.put(ProviderTableMeta.FILE_STORAGE_PATH, targetLocalPath);
 630
 631                         originalPathsToTriggerMediaScan.add(child.getStoragePath());
 632                         newPathsToTriggerMediaScan.add(targetLocalPath);
 633
 634                     }
 635                     if (child.getRemotePath().equals(file.getRemotePath())) {
 636                         cv.put(
 637                                 ProviderTableMeta.FILE_PARENT,
 638                                 targetParent.getFileId()
 639                         );
 640                     }
 641                     operations.add(
 642                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 643                                     withValues(cv).
 644                                     withSelection(
 645                                             ProviderTableMeta._ID + "=?",
 646                                             new String[]{String.valueOf(child.getFileId())}
 647                                     )
 648                                     .build());
 649
 650                 } while (c.moveToNext());
 651             }
 652             c.close();
 653
 654             /// 3. apply updates in batch
 655             try {
 656                 if (getContentResolver() != null) {
 657                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 658
 659                 } else {
 660                     getContentProviderClient().applyBatch(operations);
 661                 }
 662
 663             } catch (Exception e) {
 664                 Log_OC.e(TAG, "Fail to update " + file.getFileId() + " and descendants in database", e);
 665             }
 666
 667             /// 4. move in local file system
 668             String originalLocalPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, file);
 669             String targetLocalPath = defaultSavePath + targetPath;
 670             File localFile = new File(originalLocalPath);
 671             boolean renamed = false;
 672             if (localFile.exists()) {
 673                 File targetFile = new File(targetLocalPath);
 674                 File targetFolder = targetFile.getParentFile();
 675                 if (!targetFolder.exists()) {
 676                     targetFolder.mkdirs();
 677                 }
 678                 renamed = localFile.renameTo(targetFile);
 679             }
 680
 681             if (renamed) {
 682                 Iterator<String> it = originalPathsToTriggerMediaScan.iterator();
 683                 while (it.hasNext()) {
 684                     // Notify MediaScanner about removed file
 685                     deleteFileInMediaScan(it.next());
 686                 }
 687                 it = newPathsToTriggerMediaScan.iterator();
 688                 while (it.hasNext()) {
 689                     // Notify MediaScanner about new file/folder
 690                     triggerMediaScan(it.next());
 691                 }
 692             }
 693         }
 694
 695     }
 696
 697     public void copyLocalFile(OCFile file, String targetPath) {
 698
 699         if (file != null && file.fileExists() && !OCFile.ROOT_PATH.equals(file.getFileName())) {
 700             String localPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, file);
 701             File localFile = new File(localPath);
 702             boolean copied = false;
 703             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 704             if (localFile.exists()) {
 705                 File targetFile = new File(defaultSavePath + targetPath);
 706                 File targetFolder = targetFile.getParentFile();
 707                 if (!targetFolder.exists()) {
 708                     targetFolder.mkdirs();
 709                 }
 710                 copied = copyFile(localFile, targetFile);
 711             }
 712             Log_OC.d(TAG, "Local file COPIED : " + copied);
 713         }
 714     }
 715
 716     private boolean copyFile(File src, File target) {
 717         boolean ret = true;
 718
 719         InputStream in = null;
 720         OutputStream out = null;
 721
 722         try {
 723             in = new FileInputStream(src);
 724             out = new FileOutputStream(target);
 725             byte[] buf = new byte[1024];
 726             int len;
 727             while ((len = in.read(buf)) > 0) {
 728                 out.write(buf, 0, len);
 729             }
 730         } catch (IOException ex) {
 731             ret = false;
 732         } finally {
 733             if (in != null) try {
 734                 in.close();
 735             } catch (IOException e) {
 736                 e.printStackTrace(System.err);
 737             }
 738             if (out != null) try {
 739                 out.close();
 740             } catch (IOException e) {
 741                 e.printStackTrace(System.err);
 742             }
 743         }
 744
 745         return ret;
 746     }
 747
 748
 749     private Vector<OCFile> getFolderContent(long parentId/*, boolean onlyOnDevice*/) {
 750
 751         Vector<OCFile> ret = new Vector<OCFile>();
 752
 753         Uri req_uri = Uri.withAppendedPath(
 754                 ProviderTableMeta.CONTENT_URI_DIR,
 755                 String.valueOf(parentId));
 756         Cursor c = null;
 757
 758         if (getContentProviderClient() != null) {
 759             try {
 760                 c = getContentProviderClient().query(req_uri, null,
 761                         ProviderTableMeta.FILE_PARENT + "=?",
 762                         new String[]{String.valueOf(parentId)}, null);
 763             } catch (RemoteException e) {
 764                 Log_OC.e(TAG, e.getMessage());
 765                 return ret;
 766             }
 767         } else {
 768             c = getContentResolver().query(req_uri, null,
 769                     ProviderTableMeta.FILE_PARENT + "=?",
 770                     new String[]{String.valueOf(parentId)}, null);
 771         }
 772
 773         if (c.moveToFirst()) {
 774             do {
 775                 OCFile child = createFileInstance(c);
 776                 // TODO Enable when "On Device" is recovered ?
 777                 // if (child.isFolder() || !onlyOnDevice || onlyOnDevice && child.isDown()){
 778                     ret.add(child);
 779                 // }
 780             } while (c.moveToNext());
 781         }
 782
 783         c.close();
 784
 785         Collections.sort(ret);
 786
 787         return ret;
 788     }
 789
 790
 791     private OCFile createRootDir() {
 792         OCFile file = new OCFile(OCFile.ROOT_PATH);
 793         file.setMimetype("DIR");
 794         file.setParentId(FileDataStorageManager.ROOT_PARENT_ID);
 795         saveFile(file);
 796         return file;
 797     }
 798
 799     private boolean fileExists(String cmp_key, String value) {
 800         Cursor c;
 801         if (getContentResolver() != null) {
 802             c = getContentResolver()
 803                     .query(ProviderTableMeta.CONTENT_URI,
 804                             null,
 805                             cmp_key + "=? AND "
 806                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 807                                     + "=?",
 808                             new String[]{value, mAccount.name}, null);
 809         } else {
 810             try {
 811                 c = getContentProviderClient().query(
 812                         ProviderTableMeta.CONTENT_URI,
 813                         null,
 814                         cmp_key + "=? AND "
 815                                 + ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
 816                         new String[]{value, mAccount.name}, null);
 817             } catch (RemoteException e) {
 818                 Log_OC.e(TAG,
 819                         "Couldn't determine file existance, assuming non existance: "
 820                                 + e.getMessage());
 821                 return false;
 822             }
 823         }
 824         boolean retval = c.moveToFirst();
 825         c.close();
 826         return retval;
 827     }
 828
 829     private Cursor getCursorForValue(String key, String value) {
 830         Cursor c = null;
 831         if (getContentResolver() != null) {
 832             c = getContentResolver()
 833                     .query(ProviderTableMeta.CONTENT_URI,
 834                             null,
 835                             key + "=? AND "
 836                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 837                                     + "=?",
 838                             new String[]{value, mAccount.name}, null);
 839         } else {
 840             try {
 841                 c = getContentProviderClient().query(
 842                         ProviderTableMeta.CONTENT_URI,
 843                         null,
 844                         key + "=? AND " + ProviderTableMeta.FILE_ACCOUNT_OWNER
 845                                 + "=?", new String[]{value, mAccount.name},
 846                         null);
 847             } catch (RemoteException e) {
 848                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 849                 c = null;
 850             }
 851         }
 852         return c;
 853     }
 854
 855
 856     private OCFile createFileInstance(Cursor c) {
 857         OCFile file = null;
 858         if (c != null) {
 859             file = new OCFile(c.getString(c
 860                     .getColumnIndex(ProviderTableMeta.FILE_PATH)));
 861             file.setFileId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
 862             file.setParentId(c.getLong(c
 863                     .getColumnIndex(ProviderTableMeta.FILE_PARENT)));
 864             file.setMimetype(c.getString(c
 865                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE)));
 866             if (!file.isFolder()) {
 867                 file.setStoragePath(c.getString(c
 868                         .getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH)));
 869                 if (file.getStoragePath() == null) {
 870                     // try to find existing file and bind it with current account;
 871                     // with the current update of SynchronizeFolderOperation, this won't be
 872                     // necessary anymore after a full synchronization of the account
 873                     File f = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 874                     if (f.exists()) {
 875                         file.setStoragePath(f.getAbsolutePath());
 876                         file.setLastSyncDateForData(f.lastModified());
 877                     }
 878                 }
 879             }
 880             file.setFileLength(c.getLong(c
 881                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH)));
 882             file.setCreationTimestamp(c.getLong(c
 883                     .getColumnIndex(ProviderTableMeta.FILE_CREATION)));
 884             file.setModificationTimestamp(c.getLong(c
 885                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED)));
 886             file.setModificationTimestampAtLastSyncForData(c.getLong(c
 887                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA)));
 888             file.setLastSyncDateForProperties(c.getLong(c
 889                     .getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE)));
 890             file.setLastSyncDateForData(c.getLong(c.
 891                     getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA)));
 892             file.setFavorite(c.getInt(
 893                     c.getColumnIndex(ProviderTableMeta.FILE_KEEP_IN_SYNC)) == 1 ? true : false);
 894             file.setEtag(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG)));
 895             file.setShareViaLink(c.getInt(
 896                     c.getColumnIndex(ProviderTableMeta.FILE_SHARED_VIA_LINK)) == 1 ? true : false);
 897             file.setShareViaUsers(c.getInt(
 898                     c.getColumnIndex(ProviderTableMeta.FILE_SHARED_VIA_USERS)) == 1 ? true : false);
 899             file.setPublicLink(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PUBLIC_LINK)));
 900             file.setPermissions(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PERMISSIONS)));
 901             file.setRemoteId(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_REMOTE_ID)));
 902             file.setNeedsUpdateThumbnail(c.getInt(
 903                     c.getColumnIndex(ProviderTableMeta.FILE_UPDATE_THUMBNAIL)) == 1 ? true : false);
 904             file.setDownloading(c.getInt(
 905                     c.getColumnIndex(ProviderTableMeta.FILE_IS_DOWNLOADING)) == 1 ? true : false);
 906             file.setEtagInConflict(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG_IN_CONFLICT)));
 907
 908         }
 909         return file;
 910     }
 911
 912     // Methods for Shares
 913     public boolean saveShare(OCShare share) {
 914         boolean overriden = false;
 915         ContentValues cv = new ContentValues();
 916         cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
 917         cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
 918         cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
 919         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
 920         cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
 921         cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
 922         cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
 923         cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
 924         cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
 925         cv.put(
 926             ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
 927             share.getSharedWithDisplayName()
 928         );
 929         cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
 930         cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
 931         cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
 932         cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
 933
 934         if (shareExists(share.getIdRemoteShared())) {           // for renamed files; no more delete and create
 935             overriden = true;
 936             if (getContentResolver() != null) {
 937                 getContentResolver().update(ProviderTableMeta.CONTENT_URI_SHARE, cv,
 938                         ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 939                         new String[]{String.valueOf(share.getIdRemoteShared())});
 940             } else {
 941                 try {
 942                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_SHARE,
 943                             cv, ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 944                             new String[]{String.valueOf(share.getIdRemoteShared())});
 945                 } catch (RemoteException e) {
 946                     Log_OC.e(TAG,
 947                             "Fail to insert insert file to database "
 948                                     + e.getMessage());
 949                 }
 950             }
 951         } else {
 952             Uri result_uri = null;
 953             if (getContentResolver() != null) {
 954                 result_uri = getContentResolver().insert(
 955                         ProviderTableMeta.CONTENT_URI_SHARE, cv);
 956             } else {
 957                 try {
 958                     result_uri = getContentProviderClient().insert(
 959                             ProviderTableMeta.CONTENT_URI_SHARE, cv);
 960                 } catch (RemoteException e) {
 961                     Log_OC.e(TAG,
 962                             "Fail to insert insert file to database "
 963                                     + e.getMessage());
 964                 }
 965             }
 966             if (result_uri != null) {
 967                 long new_id = Long.parseLong(result_uri.getPathSegments()
 968                         .get(1));
 969                 share.setId(new_id);
 970             }
 971         }
 972
 973         return overriden;
 974     }
 975
 976
 977     public OCShare getFirstShareByPathAndType(String path, ShareType type, String shareWith) {
 978         Cursor c = null;
 979
 980         String selection = ProviderTableMeta.OCSHARES_PATH + "=? AND "
 981                 + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
 982                 + ProviderTableMeta.OCSHARES_SHARE_WITH + "=? AND "
 983                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?" ;
 984
 985         String [] selectionArgs =  new String[]{path, Integer.toString(type.getValue()),
 986                 shareWith, mAccount.name};
 987
 988         if (getContentResolver() != null) {
 989             c = getContentResolver().query(
 990                     ProviderTableMeta.CONTENT_URI_SHARE,
 991                     null,
 992                     selection, selectionArgs,
 993                     null);
 994         } else {
 995             try {
 996                 c = getContentProviderClient().query(
 997                         ProviderTableMeta.CONTENT_URI_SHARE,
 998                         null,
 999                         selection, selectionArgs,
1000                         null);
1001
1002             } catch (RemoteException e) {
1003                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
1004                 c = null;
1005             }
1006         }
1007         OCShare share = null;
1008         if (c.moveToFirst()) {
1009             share = createShareInstance(c);
1010         }
1011         c.close();
1012         return share;
1013     }
1014
1015     private OCShare createShareInstance(Cursor c) {
1016         OCShare share = null;
1017         if (c != null) {
1018             share = new OCShare(c.getString(c
1019                     .getColumnIndex(ProviderTableMeta.OCSHARES_PATH)));
1020             share.setId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
1021             share.setFileSource(c.getLong(c
1022                     .getColumnIndex(ProviderTableMeta.OCSHARES_ITEM_SOURCE)));
1023             share.setShareType(ShareType.fromValue(c.getInt(c
1024                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_TYPE))));
1025             share.setPermissions(c.getInt(c
1026                     .getColumnIndex(ProviderTableMeta.OCSHARES_PERMISSIONS)));
1027             share.setSharedDate(c.getLong(c
1028                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARED_DATE)));
1029             share.setExpirationDate(c.getLong(c
1030                     .getColumnIndex(ProviderTableMeta.OCSHARES_EXPIRATION_DATE)));
1031             share.setToken(c.getString(c
1032                     .getColumnIndex(ProviderTableMeta.OCSHARES_TOKEN)));
1033             share.setSharedWithDisplayName(c.getString(c
1034                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME)));
1035             share.setIsFolder(c.getInt(
1036                     c.getColumnIndex(ProviderTableMeta.OCSHARES_IS_DIRECTORY)) == 1);
1037             share.setUserId(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_USER_ID)));
1038             share.setIdRemoteShared(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED)));
1039         }
1040         return share;
1041     }
1042
1043     private boolean shareExists(String cmp_key, String value) {
1044         Cursor c;
1045         if (getContentResolver() != null) {
1046             c = getContentResolver()
1047                     .query(ProviderTableMeta.CONTENT_URI_SHARE,
1048                             null,
1049                             cmp_key + "=? AND "
1050                                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
1051                                     + "=?",
1052                             new String[]{value, mAccount.name}, null);
1053         } else {
1054             try {
1055                 c = getContentProviderClient().query(
1056                         ProviderTableMeta.CONTENT_URI_SHARE,
1057                         null,
1058                         cmp_key + "=? AND "
1059                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1060                         new String[]{value, mAccount.name}, null);
1061             } catch (RemoteException e) {
1062                 Log_OC.e(TAG,
1063                         "Couldn't determine file existance, assuming non existance: "
1064                                 + e.getMessage());
1065                 return false;
1066             }
1067         }
1068         boolean retval = c.moveToFirst();
1069         c.close();
1070         return retval;
1071     }
1072
1073     private boolean shareExists(long remoteId) {
1074         return shareExists(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, String.valueOf(remoteId));
1075     }
1076
1077     private void resetShareFlagsInAllFiles() {
1078         ContentValues cv = new ContentValues();
1079         cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, false);
1080         cv.put(ProviderTableMeta.FILE_SHARED_VIA_USERS, false);
1081         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1082         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?";
1083         String[] whereArgs = new String[]{mAccount.name};
1084
1085         if (getContentResolver() != null) {
1086             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1087
1088         } else {
1089             try {
1090                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1091             } catch (RemoteException e) {
1092                 Log_OC.e(TAG, "Exception in resetShareFlagsInAllFiles" + e.getMessage());
1093             }
1094         }
1095     }
1096
1097     private void resetShareFlagsInFolder(OCFile folder) {
1098         ContentValues cv = new ContentValues();
1099         cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, false);
1100         cv.put(ProviderTableMeta.FILE_SHARED_VIA_USERS, false);
1101         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1102         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1103                 ProviderTableMeta.FILE_PARENT + "=?";
1104         String [] whereArgs = new String[] { mAccount.name , String.valueOf(folder.getFileId()) };
1105
1106         if (getContentResolver() != null) {
1107             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1108
1109         } else {
1110             try {
1111                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1112             } catch (RemoteException e) {
1113                 Log_OC.e(TAG, "Exception in resetShareFlagsInFolder " + e.getMessage());
1114             }
1115         }
1116     }
1117
1118     private void cleanShares() {
1119         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1120         String[] whereArgs = new String[]{mAccount.name};
1121
1122         if (getContentResolver() != null) {
1123             getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1124
1125         } else {
1126             try {
1127                 getContentProviderClient().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1128             } catch (RemoteException e) {
1129                 Log_OC.e(TAG, "Exception in cleanShares" + e.getMessage());
1130             }
1131         }
1132     }
1133
1134     public void saveShares(Collection<OCShare> shares) {
1135         cleanShares();
1136         if (shares != null) {
1137             ArrayList<ContentProviderOperation> operations =
1138                     new ArrayList<ContentProviderOperation>(shares.size());
1139
1140             // prepare operations to insert or update files to save in the given folder
1141             for (OCShare share : shares) {
1142                 ContentValues cv = new ContentValues();
1143                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1144                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1145                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1146                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1147                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1148                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1149                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1150                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1151                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1152                 cv.put(
1153                     ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1154                     share.getSharedWithDisplayName()
1155                 );
1156                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1157                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1158                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1159                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1160
1161                 if (shareExists(share.getIdRemoteShared())) {
1162                     // updating an existing file
1163                     operations.add(
1164                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1165                             withValues(cv).
1166                             withSelection(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1167                                     new String[]{String.valueOf(share.getIdRemoteShared())})
1168                             .build());
1169                 } else {
1170                     // adding a new file
1171                     operations.add(
1172                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1173                             withValues(cv).
1174                             build()
1175                     );
1176                 }
1177             }
1178
1179             // apply operations in batch
1180             if (operations.size() > 0) {
1181                 @SuppressWarnings("unused")
1182                 ContentProviderResult[] results = null;
1183                 Log_OC.d(TAG, "Sending " + operations.size() +
1184                         " operations to FileContentProvider");
1185                 try {
1186                     if (getContentResolver() != null) {
1187                         results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1188                     } else {
1189                         results = getContentProviderClient().applyBatch(operations);
1190                     }
1191
1192                 } catch (OperationApplicationException e) {
1193                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1194
1195                 } catch (RemoteException e) {
1196                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1197                 }
1198             }
1199         }
1200
1201     }
1202
1203     public void updateSharedFiles(Collection<OCFile> sharedFiles) {
1204         resetShareFlagsInAllFiles();
1205
1206         if (sharedFiles != null) {
1207             ArrayList<ContentProviderOperation> operations =
1208                     new ArrayList<ContentProviderOperation>(sharedFiles.size());
1209
1210             // prepare operations to insert or update files to save in the given folder
1211             for (OCFile file : sharedFiles) {
1212                 ContentValues cv = new ContentValues();
1213                 cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
1214                 cv.put(
1215                     ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
1216                     file.getModificationTimestampAtLastSyncForData()
1217                 );
1218                 cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
1219                 cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
1220                 cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
1221                 cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
1222                 cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
1223                 cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
1224                 if (!file.isFolder()) {
1225                     cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
1226                 }
1227                 cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
1228                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
1229                 cv.put(
1230                     ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA,
1231                     file.getLastSyncDateForData()
1232                 );
1233                 cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.isFavorite() ? 1 : 0);
1234                 cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
1235                 cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, file.isSharedViaLink() ? 1 : 0);
1236                 cv.put(ProviderTableMeta.FILE_SHARED_VIA_USERS, file.isSharedViaUsers() ? 1 : 0);
1237                 cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
1238                 cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
1239                 cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
1240                 cv.put(
1241                     ProviderTableMeta.FILE_UPDATE_THUMBNAIL,
1242                     file.needsUpdateThumbnail() ? 1 : 0
1243                 );
1244                 cv.put(
1245                         ProviderTableMeta.FILE_IS_DOWNLOADING,
1246                         file.isDownloading() ? 1 : 0
1247                 );
1248                 cv.put(ProviderTableMeta.FILE_ETAG_IN_CONFLICT, file.getEtagInConflict());
1249
1250                 boolean existsByPath = fileExists(file.getRemotePath());
1251                 if (existsByPath || fileExists(file.getFileId())) {
1252                     // updating an existing file
1253                     operations.add(
1254                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
1255                             withValues(cv).
1256                             withSelection(ProviderTableMeta._ID + "=?",
1257                                     new String[]{String.valueOf(file.getFileId())})
1258                             .build());
1259
1260                 } else {
1261                     // adding a new file
1262                     operations.add(
1263                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
1264                             withValues(cv).
1265                             build()
1266                     );
1267                 }
1268             }
1269
1270             // apply operations in batch
1271             if (operations.size() > 0) {
1272                 @SuppressWarnings("unused")
1273                 ContentProviderResult[] results = null;
1274                 Log_OC.d(TAG, "Sending " + operations.size() +
1275                         " operations to FileContentProvider");
1276                 try {
1277                     if (getContentResolver() != null) {
1278                         results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1279                     } else {
1280                         results = getContentProviderClient().applyBatch(operations);
1281                     }
1282
1283                 } catch (OperationApplicationException e) {
1284                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1285
1286                 } catch (RemoteException e) {
1287                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1288                 }
1289             }
1290         }
1291
1292     }
1293
1294     public void removeShare(OCShare share) {
1295         Uri share_uri = ProviderTableMeta.CONTENT_URI_SHARE;
1296         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?" + " AND " +
1297                 ProviderTableMeta.FILE_PATH + "=?";
1298         String [] whereArgs = new String[]{mAccount.name, share.getPath()};
1299         if (getContentProviderClient() != null) {
1300             try {
1301                 getContentProviderClient().delete(share_uri, where, whereArgs);
1302             } catch (RemoteException e) {
1303                 e.printStackTrace();
1304             }
1305         } else {
1306             getContentResolver().delete(share_uri, where, whereArgs);
1307         }
1308     }
1309
1310     public void saveSharesDB(ArrayList<OCShare> shares) {
1311         saveShares(shares);
1312
1313         ArrayList<OCFile> sharedFiles = new ArrayList<OCFile>();
1314
1315         for (OCShare share : shares) {
1316             // Get the path
1317             String path = share.getPath();
1318             if (share.isFolder()) {
1319                 path = path + FileUtils.PATH_SEPARATOR;
1320             }
1321
1322             // Update OCFile with data from share: ShareByLink  and publicLink
1323             OCFile file = getFileByPath(path);
1324             if (file != null) {
1325                 if (share.getShareType().equals(ShareType.PUBLIC_LINK)) {
1326                     file.setShareViaLink(true);
1327                     sharedFiles.add(file);
1328                 }
1329             }
1330         }
1331
1332         updateSharedFiles(sharedFiles);
1333     }
1334
1335
1336     public void saveSharesInFolder(ArrayList<OCShare> shares, OCFile folder) {
1337         resetShareFlagsInFolder(folder);
1338         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1339         operations = prepareRemoveSharesInFolder(folder, operations);
1340
1341         if (shares != null) {
1342             // prepare operations to insert or update files to save in the given folder
1343             for (OCShare share : shares) {
1344                 ContentValues cv = new ContentValues();
1345                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1346                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1347                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1348                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1349                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1350                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1351                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1352                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1353                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1354                 cv.put(
1355                     ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1356                     share.getSharedWithDisplayName()
1357                 );
1358                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1359                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1360                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1361                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1362
1363                 // adding a new share resource
1364                 operations.add(
1365                         ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1366                                 withValues(cv).
1367                                 build()
1368                 );
1369             }
1370         }
1371
1372         // apply operations in batch
1373         if (operations.size() > 0) {
1374             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1375             try {
1376                 if (getContentResolver() != null) {
1377                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1378
1379                 } else {
1380                     getContentProviderClient().applyBatch(operations);
1381                 }
1382
1383             } catch (OperationApplicationException e) {
1384                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1385
1386             } catch (RemoteException e) {
1387                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1388             }
1389         }
1390
1391     }
1392
1393     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFolder(
1394             OCFile folder, ArrayList<ContentProviderOperation> preparedOperations) {
1395         if (folder != null) {
1396             String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND "
1397                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1398             String [] whereArgs = new String[]{ "", mAccount.name };
1399
1400             // TODO Enable when "On Device" is recovered ?
1401             Vector<OCFile> files = getFolderContent(folder /*, false*/);
1402
1403             for (OCFile file : files) {
1404                 whereArgs[0] = file.getRemotePath();
1405                 preparedOperations.add(
1406                         ContentProviderOperation.newDelete(ProviderTableMeta.CONTENT_URI_SHARE).
1407                         withSelection(where, whereArgs).
1408                         build()
1409                 );
1410             }
1411         }
1412         return preparedOperations;
1413     }
1414
1415     public ArrayList<OCShare> getSharesWithForAFile(String filePath, String accountName){
1416         // Condition
1417         String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND "
1418                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?"+ "AND"
1419                 + " (" + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? OR "
1420                 + ProviderTableMeta.OCSHARES_SHARE_TYPE +  "=? ) ";
1421         String [] whereArgs = new String[]{ filePath, accountName ,
1422                 Integer.toString(ShareType.USER.getValue()),
1423                 Integer.toString(ShareType.GROUP.getValue()) };
1424
1425         Cursor c = null;
1426         if (getContentResolver() != null) {
1427             c = getContentResolver().query(
1428                     ProviderTableMeta.CONTENT_URI_SHARE,
1429                     null, where, whereArgs, null);
1430         } else {
1431             try {
1432                 c = getContentProviderClient().query(
1433                         ProviderTableMeta.CONTENT_URI_SHARE,
1434                         null, where, whereArgs, null);
1435
1436             } catch (RemoteException e) {
1437                 Log_OC.e(TAG, "Could not get list of shares with: " + e.getMessage());
1438                 c = null;
1439             }
1440         }
1441         ArrayList<OCShare> shares = new ArrayList<OCShare>();
1442         OCShare share = null;
1443         if (c.moveToFirst()) {
1444             do {
1445                 share = createShareInstance(c);
1446                 shares.add(share);
1447                 // }
1448             } while (c.moveToNext());
1449         }
1450         c.close();
1451
1452         return shares;
1453     }
1454
1455     public void triggerMediaScan(String path) {
1456         Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
1457         intent.setData(Uri.fromFile(new File(path)));
1458         MainApp.getAppContext().sendBroadcast(intent);
1459     }
1460
1461     public void deleteFileInMediaScan(String path) {
1462
1463         String mimetypeString = FileStorageUtils.getMimeTypeFromName(path);
1464         ContentResolver contentResolver = getContentResolver();
1465
1466         if (contentResolver != null) {
1467             if (mimetypeString.startsWith("image/")) {
1468                 // Images
1469                 contentResolver.delete(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
1470                         MediaStore.Images.Media.DATA + "=?", new String[]{path});
1471             } else if (mimetypeString.startsWith("audio/")) {
1472                 // Audio
1473                 contentResolver.delete(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
1474                         MediaStore.Audio.Media.DATA + "=?", new String[]{path});
1475             } else if (mimetypeString.startsWith("video/")) {
1476                 // Video
1477                 contentResolver.delete(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
1478                         MediaStore.Video.Media.DATA + "=?", new String[]{path});
1479             }
1480         } else {
1481             ContentProviderClient contentProviderClient = getContentProviderClient();
1482             try {
1483                 if (mimetypeString.startsWith("image/")) {
1484                     // Images
1485                     contentProviderClient.delete(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
1486                             MediaStore.Images.Media.DATA + "=?", new String[]{path});
1487                 } else if (mimetypeString.startsWith("audio/")) {
1488                     // Audio
1489                     contentProviderClient.delete(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
1490                             MediaStore.Audio.Media.DATA + "=?", new String[]{path});
1491                 } else if (mimetypeString.startsWith("video/")) {
1492                     // Video
1493                     contentProviderClient.delete(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
1494                             MediaStore.Video.Media.DATA + "=?", new String[]{path});
1495                 }
1496             } catch (RemoteException e) {
1497                 Log_OC.e(TAG, "Exception deleting media file in MediaStore " + e.getMessage());
1498             }
1499         }
1500
1501     }
1502
1503     public void saveConflict(OCFile file, String etagInConflict) {
1504         if (!file.isDown()) {
1505             etagInConflict = null;
1506         }
1507         ContentValues cv = new ContentValues();
1508         cv.put(ProviderTableMeta.FILE_ETAG_IN_CONFLICT, etagInConflict);
1509         int updated = 0;
1510         if (getContentResolver() != null) {
1511             updated = getContentResolver().update(
1512                     ProviderTableMeta.CONTENT_URI_FILE,
1513                     cv,
1514                     ProviderTableMeta._ID + "=?",
1515                     new String[] { String.valueOf(file.getFileId())}
1516             );
1517         } else {
1518             try {
1519                 updated = getContentProviderClient().update(
1520                         ProviderTableMeta.CONTENT_URI_FILE,
1521                         cv,
1522                         ProviderTableMeta._ID + "=?",
1523                         new String[]{String.valueOf(file.getFileId())}
1524                 );
1525             } catch (RemoteException e) {
1526                 Log_OC.e(TAG, "Failed saving conflict in database " + e.getMessage());
1527             }
1528         }
1529
1530         Log_OC.d(TAG, "Number of files updated with CONFLICT: " + updated);
1531
1532         if (updated > 0) {
1533             if (etagInConflict != null) {
1534                 /// set conflict in all ancestor folders
1535
1536                 long parentId = file.getParentId();
1537                 Set<String> ancestorIds = new HashSet<String>();
1538                 while (parentId != FileDataStorageManager.ROOT_PARENT_ID) {
1539                     ancestorIds.add(Long.toString(parentId));
1540                     parentId = getFileById(parentId).getParentId();
1541                 }
1542
1543                 if (ancestorIds.size() > 0) {
1544                     StringBuffer whereBuffer = new StringBuffer();
1545                     whereBuffer.append(ProviderTableMeta._ID).append(" IN (");
1546                     for (int i = 0; i < ancestorIds.size() - 1; i++) {
1547                         whereBuffer.append("?,");
1548                     }
1549                     whereBuffer.append("?");
1550                     whereBuffer.append(")");
1551
1552                     if (getContentResolver() != null) {
1553                         updated = getContentResolver().update(
1554                                 ProviderTableMeta.CONTENT_URI_FILE,
1555                                 cv,
1556                                 whereBuffer.toString(),
1557                                 ancestorIds.toArray(new String[]{})
1558                         );
1559                     } else {
1560                         try {
1561                             updated = getContentProviderClient().update(
1562                                     ProviderTableMeta.CONTENT_URI_FILE,
1563                                     cv,
1564                                     whereBuffer.toString(),
1565                                     ancestorIds.toArray(new String[]{})
1566                             );
1567                         } catch (RemoteException e) {
1568                             Log_OC.e(TAG, "Failed saving conflict in database " + e.getMessage());
1569                         }
1570                     }
1571                 } // else file is ROOT folder, no parent to set in conflict
1572
1573             } else {
1574                 /// update conflict in ancestor folders
1575                 // (not directly unset; maybe there are more conflicts below them)
1576                 String parentPath = file.getRemotePath();
1577                 if (parentPath.endsWith(OCFile.PATH_SEPARATOR)) {
1578                     parentPath = parentPath.substring(0, parentPath.length() - 1);
1579                 }
1580                 parentPath = parentPath.substring(0, parentPath.lastIndexOf(OCFile.PATH_SEPARATOR) + 1);
1581
1582                 Log_OC.d(TAG, "checking parents to remove conflict; STARTING with " + parentPath);
1583                 while (parentPath.length() > 0) {
1584
1585                     String where =
1586                             ProviderTableMeta.FILE_ETAG_IN_CONFLICT + " IS NOT NULL AND " +
1587                                     ProviderTableMeta.FILE_CONTENT_TYPE + " != 'DIR' AND " +
1588                                     ProviderTableMeta.FILE_ACCOUNT_OWNER + " = ? AND " +
1589                                     ProviderTableMeta.FILE_PATH + " LIKE ?";
1590                     Cursor descendentsInConflict = getContentResolver().query(
1591                             ProviderTableMeta.CONTENT_URI_FILE,
1592                             new String[]{ProviderTableMeta._ID},
1593                             where,
1594                             new String[]{mAccount.name, parentPath + "%"},
1595                             null
1596                     );
1597                     if (descendentsInConflict == null || descendentsInConflict.getCount() == 0) {
1598                         Log_OC.d(TAG, "NO MORE conflicts in " + parentPath);
1599                         if (getContentResolver() != null) {
1600                             updated = getContentResolver().update(
1601                                     ProviderTableMeta.CONTENT_URI_FILE,
1602                                     cv,
1603                                     ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1604                                             ProviderTableMeta.FILE_PATH + "=?",
1605                                     new String[]{mAccount.name, parentPath}
1606                             );
1607                         } else {
1608                             try {
1609                                 updated = getContentProviderClient().update(
1610                                         ProviderTableMeta.CONTENT_URI_FILE,
1611                                         cv,
1612                                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1613                                                 ProviderTableMeta.FILE_PATH + "=?"
1614                                         , new String[]{mAccount.name, parentPath}
1615                                 );
1616                             } catch (RemoteException e) {
1617                                 Log_OC.e(TAG, "Failed saving conflict in database " + e.getMessage());
1618                             }
1619                         }
1620
1621                     } else {
1622                         Log_OC.d(TAG, "STILL " + descendentsInConflict.getCount() + " in " + parentPath);
1623                     }
1624
1625                     if (descendentsInConflict != null) {
1626                         descendentsInConflict.close();
1627                     }
1628
1629                     parentPath = parentPath.substring(0, parentPath.length() - 1);  // trim last /
1630                     parentPath = parentPath.substring(0, parentPath.lastIndexOf(OCFile.PATH_SEPARATOR) + 1);
1631                     Log_OC.d(TAG, "checking parents to remove conflict; NEXT " + parentPath);
1632                 }
1633             }
1634         }
1635
1636     }
1637 }