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.ContentProviderClient;
  35 import android.content.ContentProviderOperation;
  36 import android.content.ContentProviderResult;
  37 import android.content.ContentResolver;
  38 import android.content.ContentUris;
  39 import android.content.ContentValues;
  40 import android.content.Intent;
  41 import android.content.OperationApplicationException;
  42 import android.database.Cursor;
  43 import android.net.Uri;
  44 import android.os.RemoteException;
  45 import android.provider.MediaStore;
  46
  47 import com.owncloud.android.MainApp;
  48 import com.owncloud.android.db.ProviderMeta.ProviderTableMeta;
  49 import com.owncloud.android.lib.common.utils.Log_OC;
  50 import com.owncloud.android.lib.resources.files.FileUtils;
  51 import com.owncloud.android.lib.resources.shares.OCShare;
  52 import com.owncloud.android.lib.resources.shares.ShareType;
  53 import com.owncloud.android.utils.FileStorageUtils;
  54
  55 import java.io.FileInputStream;
  56 import java.io.FileOutputStream;
  57 import java.io.IOException;
  58 import java.io.InputStream;
  59 import java.io.OutputStream;
  60
  61 public class FileDataStorageManager {
  62
  63     public static final int ROOT_PARENT_ID = 0;
  64
  65     private ContentResolver mContentResolver;
  66     private ContentProviderClient mContentProviderClient;
  67     private Account mAccount;
  68
  69     private static String TAG = FileDataStorageManager.class.getSimpleName();
  70
  71
  72     public FileDataStorageManager(Account account, ContentResolver cr) {
  73         mContentProviderClient = null;
  74         mContentResolver = cr;
  75         mAccount = account;
  76     }
  77
  78     public FileDataStorageManager(Account account, ContentProviderClient cp) {
  79         mContentProviderClient = cp;
  80         mContentResolver = null;
  81         mAccount = account;
  82     }
  83
  84
  85     public void setAccount(Account account) {
  86         mAccount = account;
  87     }
  88
  89     public Account getAccount() {
  90         return mAccount;
  91     }
  92
  93     public void setContentResolver(ContentResolver cr) {
  94         mContentResolver = cr;
  95     }
  96
  97     public ContentResolver getContentResolver() {
  98         return mContentResolver;
  99     }
 100
 101     public void setContentProviderClient(ContentProviderClient cp) {
 102         mContentProviderClient = cp;
 103     }
 104
 105     public ContentProviderClient getContentProviderClient() {
 106         return mContentProviderClient;
 107     }
 108
 109
 110     public OCFile getFileByPath(String path) {
 111         Cursor c = getCursorForValue(ProviderTableMeta.FILE_PATH, path);
 112         OCFile file = null;
 113         if (c.moveToFirst()) {
 114             file = createFileInstance(c);
 115         }
 116         c.close();
 117         if (file == null && OCFile.ROOT_PATH.equals(path)) {
 118             return createRootDir(); // root should always exist
 119         }
 120         return file;
 121     }
 122
 123
 124     public OCFile getFileById(long id) {
 125         Cursor c = getCursorForValue(ProviderTableMeta._ID, String.valueOf(id));
 126         OCFile file = null;
 127         if (c.moveToFirst()) {
 128             file = createFileInstance(c);
 129         }
 130         c.close();
 131         return file;
 132     }
 133
 134     public OCFile getFileByLocalPath(String path) {
 135         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 136         OCFile file = null;
 137         if (c.moveToFirst()) {
 138             file = createFileInstance(c);
 139         }
 140         c.close();
 141         return file;
 142     }
 143
 144     public boolean fileExists(long id) {
 145         return fileExists(ProviderTableMeta._ID, String.valueOf(id));
 146     }
 147
 148     public boolean fileExists(String path) {
 149         return fileExists(ProviderTableMeta.FILE_PATH, path);
 150     }
 151
 152
 153     public Vector<OCFile> getFolderContent(OCFile f/*, boolean onlyOnDevice*/) {
 154         if (f != null && f.isFolder() && f.getFileId() != -1) {
 155             // TODO Enable when "On Device" is recovered ?
 156             return getFolderContent(f.getFileId()/*, onlyOnDevice*/);
 157
 158         } else {
 159             return new Vector<OCFile>();
 160         }
 161     }
 162
 163
 164     public Vector<OCFile> getFolderImages(OCFile folder/*, boolean onlyOnDevice*/) {
 165         Vector<OCFile> ret = new Vector<OCFile>();
 166         if (folder != null) {
 167             // TODO better implementation, filtering in the access to database instead of here
 168             // TODO Enable when "On Device" is recovered ?
 169             Vector<OCFile> tmp = getFolderContent(folder/*, onlyOnDevice*/);
 170             OCFile current = null;
 171             for (int i=0; i<tmp.size(); i++) {
 172                 current = tmp.get(i);
 173                 if (current.isImage()) {
 174                     ret.add(current);
 175                 }
 176             }
 177         }
 178         return ret;
 179     }
 180
 181     public boolean saveFile(OCFile file) {
 182         boolean overriden = false;
 183         ContentValues cv = new ContentValues();
 184         cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 185         cv.put(
 186             ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 187             file.getModificationTimestampAtLastSyncForData()
 188         );
 189         cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 190         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 191         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 192         cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 193         //if (file.getParentId() != DataStorageManager.ROOT_PARENT_ID)
 194         cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 195         cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 196         if (!file.isFolder())
 197             cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 198         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 199         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 200         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 201         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.isFavorite() ? 1 : 0);
 202         cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 203         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
 204         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 205         cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 206         cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 207         cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
 208         cv.put(ProviderTableMeta.FILE_IS_DOWNLOADING, file.isDownloading());
 209         cv.put(ProviderTableMeta.FILE_IN_CONFLICT, file.isInConflict());
 210
 211         boolean sameRemotePath = fileExists(file.getRemotePath());
 212         if (sameRemotePath ||                fileExists(file.getFileId())) {           // for renamed files; no more delete and create
 213
 214             OCFile oldFile = null;
 215             if (sameRemotePath) {
 216                 oldFile = getFileByPath(file.getRemotePath());
 217                 file.setFileId(oldFile.getFileId());
 218             } else {
 219                 oldFile = getFileById(file.getFileId());
 220             }
 221
 222             overriden = true;
 223             if (getContentResolver() != null) {
 224                 getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv,
 225                         ProviderTableMeta._ID + "=?",
 226                         new String[]{String.valueOf(file.getFileId())});
 227             } else {
 228                 try {
 229                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI,
 230                             cv, ProviderTableMeta._ID + "=?",
 231                             new String[]{String.valueOf(file.getFileId())});
 232                 } catch (RemoteException e) {
 233                     Log_OC.e(TAG,
 234                             "Fail to insert insert file to database "
 235                                     + e.getMessage());
 236                 }
 237             }
 238         } else {
 239             Uri result_uri = null;
 240             if (getContentResolver() != null) {
 241                 result_uri = getContentResolver().insert(
 242                         ProviderTableMeta.CONTENT_URI_FILE, cv);
 243             } else {
 244                 try {
 245                     result_uri = getContentProviderClient().insert(
 246                             ProviderTableMeta.CONTENT_URI_FILE, cv);
 247                 } catch (RemoteException e) {
 248                     Log_OC.e(TAG,
 249                             "Fail to insert insert file to database "
 250                                     + e.getMessage());
 251                 }
 252             }
 253             if (result_uri != null) {
 254                 long new_id = Long.parseLong(result_uri.getPathSegments()
 255                         .get(1));
 256                 file.setFileId(new_id);
 257             }
 258         }
 259
 260 //        if (file.isFolder()) {
 261 //            updateFolderSize(file.getFileId());
 262 //        } else {
 263 //            updateFolderSize(file.getParentId());
 264 //        }
 265
 266         return overriden;
 267     }
 268
 269
 270     /**
 271      * Inserts or updates the list of files contained in a given folder.
 272      * <p/>
 273      * CALLER IS THE RESPONSIBLE FOR GRANTING RIGHT UPDATE OF INFORMATION, NOT THIS METHOD.
 274      * HERE ONLY DATA CONSISTENCY SHOULD BE GRANTED
 275      *
 276      * @param folder
 277      * @param updatedFiles
 278      * @param filesToRemove
 279      */
 280     public void saveFolder(
 281             OCFile folder, Collection<OCFile> updatedFiles, Collection<OCFile> filesToRemove
 282         ) {
 283
 284         Log_OC.d(TAG,  "Saving folder " + folder.getRemotePath() + " with " + updatedFiles.size()
 285                 + " children and " + filesToRemove.size() + " files to remove");
 286
 287         ArrayList<ContentProviderOperation> operations =
 288                 new ArrayList<ContentProviderOperation>(updatedFiles.size());
 289
 290         // prepare operations to insert or update files to save in the given folder
 291         for (OCFile file : updatedFiles) {
 292             ContentValues cv = new ContentValues();
 293             cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 294             cv.put(
 295                 ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 296                 file.getModificationTimestampAtLastSyncForData()
 297             );
 298             cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 299             cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 300             cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 301             cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 302             //cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 303             cv.put(ProviderTableMeta.FILE_PARENT, folder.getFileId());
 304             cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 305             if (!file.isFolder()) {
 306                 cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 307             }
 308             cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 309             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 310             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 311             cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.isFavorite() ? 1 : 0);
 312             cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 313             cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
 314             cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 315             cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 316             cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 317             cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
 318             cv.put(ProviderTableMeta.FILE_IS_DOWNLOADING, file.isDownloading());
 319             cv.put(ProviderTableMeta.FILE_IN_CONFLICT, file.isInConflict());
 320
 321             boolean existsByPath = fileExists(file.getRemotePath());
 322             if (existsByPath || fileExists(file.getFileId())) {
 323                 // updating an existing file
 324                 operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 325                         withValues(cv).
 326                         withSelection(ProviderTableMeta._ID + "=?",
 327                                 new String[]{String.valueOf(file.getFileId())})
 328                         .build());
 329
 330             } else {
 331                 // adding a new file
 332                 operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
 333                         withValues(cv).build());
 334             }
 335         }
 336
 337         // prepare operations to remove files in the given folder
 338         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 339                 ProviderTableMeta.FILE_PATH + "=?";
 340         String [] whereArgs = null;
 341         for (OCFile file : filesToRemove) {
 342             if (file.getParentId() == folder.getFileId()) {
 343                 whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 344                 //Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE, "" + file.getFileId());
 345                 if (file.isFolder()) {
 346                     operations.add(ContentProviderOperation.newDelete(
 347                             ContentUris.withAppendedId(
 348                                     ProviderTableMeta.CONTENT_URI_DIR, file.getFileId()
 349                             )
 350                     ).withSelection(where, whereArgs).build());
 351
 352                     File localFolder =
 353                             new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 354                     if (localFolder.exists()) {
 355                         removeLocalFolder(localFolder);
 356                     }
 357                 } else {
 358                     operations.add(ContentProviderOperation.newDelete(
 359                             ContentUris.withAppendedId(
 360                                     ProviderTableMeta.CONTENT_URI_FILE, file.getFileId()
 361                             )
 362                     ).withSelection(where, whereArgs).build());
 363
 364                     if (file.isDown()) {
 365                         String path = file.getStoragePath();
 366                         new File(path).delete();
 367                         triggerMediaScan(path); // notify MediaScanner about removed file
 368                     }
 369                 }
 370             }
 371         }
 372
 373         // update metadata of folder
 374         ContentValues cv = new ContentValues();
 375         cv.put(ProviderTableMeta.FILE_MODIFIED, folder.getModificationTimestamp());
 376         cv.put(
 377             ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 378             folder.getModificationTimestampAtLastSyncForData()
 379         );
 380         cv.put(ProviderTableMeta.FILE_CREATION, folder.getCreationTimestamp());
 381         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, 0);
 382         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, folder.getMimetype());
 383         cv.put(ProviderTableMeta.FILE_NAME, folder.getFileName());
 384         cv.put(ProviderTableMeta.FILE_PARENT, folder.getParentId());
 385         cv.put(ProviderTableMeta.FILE_PATH, folder.getRemotePath());
 386         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 387         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, folder.getLastSyncDateForProperties());
 388         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, folder.getLastSyncDateForData());
 389         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, folder.isFavorite() ? 1 : 0);
 390         cv.put(ProviderTableMeta.FILE_ETAG, folder.getEtag());
 391         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, folder.isShareByLink() ? 1 : 0);
 392         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, folder.getPublicLink());
 393         cv.put(ProviderTableMeta.FILE_PERMISSIONS, folder.getPermissions());
 394         cv.put(ProviderTableMeta.FILE_REMOTE_ID, folder.getRemoteId());
 395
 396         operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 397                 withValues(cv).
 398                 withSelection(ProviderTableMeta._ID + "=?",
 399                         new String[]{String.valueOf(folder.getFileId())})
 400                 .build());
 401
 402         // apply operations in batch
 403         ContentProviderResult[] results = null;
 404         Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
 405         try {
 406             if (getContentResolver() != null) {
 407                 results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 408
 409             } else {
 410                 results = getContentProviderClient().applyBatch(operations);
 411             }
 412
 413         } catch (OperationApplicationException e) {
 414             Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
 415
 416         } catch (RemoteException e) {
 417             Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
 418         }
 419
 420         // update new id in file objects for insertions
 421         if (results != null) {
 422             long newId;
 423             Iterator<OCFile> filesIt = updatedFiles.iterator();
 424             OCFile file = null;
 425             for (int i = 0; i < results.length; i++) {
 426                 if (filesIt.hasNext()) {
 427                     file = filesIt.next();
 428                 } else {
 429                     file = null;
 430                 }
 431                 if (results[i].uri != null) {
 432                     newId = Long.parseLong(results[i].uri.getPathSegments().get(1));
 433                     //updatedFiles.get(i).setFileId(newId);
 434                     if (file != null) {
 435                         file.setFileId(newId);
 436                     }
 437                 }
 438             }
 439         }
 440
 441         //updateFolderSize(folder.getFileId());
 442
 443     }
 444
 445
 446 //    /**
 447 //     *
 448 //     * @param id
 449 //     */
 450 //    private void updateFolderSize(long id) {
 451 //        if (id > FileDataStorageManager.ROOT_PARENT_ID) {
 452 //            Log_OC.d(TAG, "Updating size of " + id);
 453 //            if (getContentResolver() != null) {
 454 //                getContentResolver().update(ProviderTableMeta.CONTENT_URI_DIR,
 455 //                        new ContentValues(),
 456                             // won't be used, but cannot be null; crashes in KLP
 457 //                        ProviderTableMeta._ID + "=?",
 458 //                        new String[] { String.valueOf(id) });
 459 //            } else {
 460 //                try {
 461 //                    getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_DIR,
 462 //                            new ContentValues(),
 463                                 // won't be used, but cannot be null; crashes in KLP
 464 //                            ProviderTableMeta._ID + "=?",
 465 //                            new String[] { String.valueOf(id) });
 466 //
 467 //                } catch (RemoteException e) {
 468 //                    Log_OC.e(
 469 //    TAG, "Exception in update of folder size through compatibility patch " + e.getMessage());
 470 //                }
 471 //            }
 472 //        } else {
 473 //            Log_OC.e(TAG,  "not updating size for folder " + id);
 474 //        }
 475 //    }
 476
 477
 478     public boolean removeFile(OCFile file, boolean removeDBData, boolean removeLocalCopy) {
 479         boolean success = true;
 480         if (file != null) {
 481             if (file.isFolder()) {
 482                 success = removeFolder(file, removeDBData, removeLocalCopy);
 483
 484             } else {
 485                 if (removeDBData) {
 486                     //Uri file_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE, ""+file.getFileId());
 487                     Uri file_uri = ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_FILE, file.getFileId());
 488                     String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " + ProviderTableMeta.FILE_PATH + "=?";
 489                     String[] whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 490                     int deleted = 0;
 491                     if (getContentProviderClient() != null) {
 492                         try {
 493                             deleted = getContentProviderClient().delete(file_uri, where, whereArgs);
 494                         } catch (RemoteException e) {
 495                             e.printStackTrace();
 496                         }
 497                     } else {
 498                         deleted = getContentResolver().delete(file_uri, where, whereArgs);
 499                     }
 500                     success &= (deleted > 0);
 501                 }
 502                 String localPath = file.getStoragePath();
 503                 if (removeLocalCopy && file.isDown() && localPath != null && success) {
 504                     success = new File(localPath).delete();
 505                     if (success) {
 506                         deleteFileInMediaScan(localPath);
 507                     }
 508                     if (!removeDBData && success) {
 509                         // maybe unnecessary, but should be checked TODO remove if unnecessary
 510                         file.setStoragePath(null);
 511                         saveFile(file);
 512                     }
 513                 }
 514             }
 515         }
 516         return success;
 517     }
 518
 519
 520     public boolean removeFolder(OCFile folder, boolean removeDBData, boolean removeLocalContent) {
 521         boolean success = true;
 522         if (folder != null && folder.isFolder()) {
 523             if (removeDBData && folder.getFileId() != -1) {
 524                 success = removeFolderInDb(folder);
 525             }
 526             if (removeLocalContent && success) {
 527                 success = removeLocalFolder(folder);
 528             }
 529         }
 530         return success;
 531     }
 532
 533     private boolean removeFolderInDb(OCFile folder) {
 534         Uri folder_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, "" +
 535                 folder.getFileId());   // URI for recursive deletion
 536         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 537                 ProviderTableMeta.FILE_PATH + "=?";
 538         String [] whereArgs = new String[]{mAccount.name, folder.getRemotePath()};
 539         int deleted = 0;
 540         if (getContentProviderClient() != null) {
 541             try {
 542                 deleted = getContentProviderClient().delete(folder_uri, where, whereArgs);
 543             } catch (RemoteException e) {
 544                 e.printStackTrace();
 545             }
 546         } else {
 547             deleted = getContentResolver().delete(folder_uri, where, whereArgs);
 548         }
 549         return deleted > 0;
 550     }
 551
 552     private boolean removeLocalFolder(OCFile folder) {
 553         boolean success = true;
 554         String localFolderPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, folder);
 555         File localFolder = new File(localFolderPath);
 556         if (localFolder.exists()) {
 557             // stage 1: remove the local files already registered in the files database
 558             // TODO Enable when "On Device" is recovered ?
 559             Vector<OCFile> files = getFolderContent(folder.getFileId()/*, false*/);
 560             if (files != null) {
 561                 for (OCFile file : files) {
 562                     if (file.isFolder()) {
 563                         success &= removeLocalFolder(file);
 564                     } else {
 565                         if (file.isDown()) {
 566                             File localFile = new File(file.getStoragePath());
 567                             success &= localFile.delete();
 568                             if (success) {
 569                                 // notify MediaScanner about removed file
 570                                 deleteFileInMediaScan(file.getStoragePath());
 571                                 file.setStoragePath(null);
 572                                 saveFile(file);
 573                             }
 574                         }
 575                     }
 576                 }
 577             }
 578
 579             // stage 2: remove the folder itself and any local file inside out of sync;
 580             //          for instance, after clearing the app cache or reinstalling
 581             success &= removeLocalFolder(localFolder);
 582         }
 583         return success;
 584     }
 585
 586     private boolean removeLocalFolder(File localFolder) {
 587         boolean success = true;
 588         File[] localFiles = localFolder.listFiles();
 589         if (localFiles != null) {
 590             for (File localFile : localFiles) {
 591                 if (localFile.isDirectory()) {
 592                     success &= removeLocalFolder(localFile);
 593                 } else {
 594                     String path = localFile.getAbsolutePath();
 595                     success &= localFile.delete();
 596                 }
 597             }
 598         }
 599         success &= localFolder.delete();
 600         return success;
 601     }
 602
 603
 604     /**
 605      * Updates database and file system for a file or folder that was moved to a different location.
 606      *
 607      * TODO explore better (faster) implementations
 608      * TODO throw exceptions up !
 609      */
 610     public void moveLocalFile(OCFile file, String targetPath, String targetParentPath) {
 611
 612         if (file != null && file.fileExists() && !OCFile.ROOT_PATH.equals(file.getFileName())) {
 613
 614             OCFile targetParent = getFileByPath(targetParentPath);
 615             if (targetParent == null) {
 616                 throw new IllegalStateException("Parent folder of the target path does not exist!!");
 617             }
 618
 619             /// 1. get all the descendants of the moved element in a single QUERY
 620             Cursor c = null;
 621             if (getContentProviderClient() != null) {
 622                 try {
 623                     c = getContentProviderClient().query(
 624                             ProviderTableMeta.CONTENT_URI,
 625                             null,
 626                             ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 627                                     ProviderTableMeta.FILE_PATH + " LIKE ? ",
 628                             new String[]{
 629                                     mAccount.name,
 630                                     file.getRemotePath() + "%"
 631                             },
 632                             ProviderTableMeta.FILE_PATH + " ASC "
 633                     );
 634                 } catch (RemoteException e) {
 635                     Log_OC.e(TAG, e.getMessage());
 636                 }
 637
 638             } else {
 639                 c = getContentResolver().query(
 640                         ProviderTableMeta.CONTENT_URI,
 641                         null,
 642                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 643                                 ProviderTableMeta.FILE_PATH + " LIKE ? ",
 644                         new String[]{
 645                                 mAccount.name,
 646                                 file.getRemotePath() + "%"
 647                         },
 648                         ProviderTableMeta.FILE_PATH + " ASC "
 649                 );
 650             }
 651
 652             /// 2. prepare a batch of update operations to change all the descendants
 653             ArrayList<ContentProviderOperation> operations =
 654                     new ArrayList<ContentProviderOperation>(c.getCount());
 655             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 656             List<String> originalPathsToTriggerMediaScan = new ArrayList<String>();
 657             List<String> newPathsToTriggerMediaScan = new ArrayList<String>();
 658             if (c.moveToFirst()) {
 659                 int lengthOfOldPath = file.getRemotePath().length();
 660                 int lengthOfOldStoragePath = defaultSavePath.length() + lengthOfOldPath;
 661                 do {
 662                     ContentValues cv = new ContentValues(); // keep construction in the loop
 663                     OCFile child = createFileInstance(c);
 664                     cv.put(
 665                             ProviderTableMeta.FILE_PATH,
 666                             targetPath + child.getRemotePath().substring(lengthOfOldPath)
 667                     );
 668                     if (child.getStoragePath() != null &&
 669                             child.getStoragePath().startsWith(defaultSavePath)) {
 670                         // update link to downloaded content - but local move is not done here!
 671                         String targetLocalPath = defaultSavePath + targetPath +
 672                                 child.getStoragePath().substring(lengthOfOldStoragePath);
 673
 674                         cv.put(ProviderTableMeta.FILE_STORAGE_PATH, targetLocalPath);
 675
 676                         originalPathsToTriggerMediaScan.add(child.getStoragePath());
 677                         newPathsToTriggerMediaScan.add(targetLocalPath);
 678
 679                     }
 680                     if (child.getRemotePath().equals(file.getRemotePath())) {
 681                         cv.put(
 682                                 ProviderTableMeta.FILE_PARENT,
 683                                 targetParent.getFileId()
 684                         );
 685                     }
 686                     operations.add(
 687                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 688                                     withValues(cv).
 689                                     withSelection(
 690                                             ProviderTableMeta._ID + "=?",
 691                                             new String[]{String.valueOf(child.getFileId())}
 692                                     )
 693                                     .build());
 694
 695                 } while (c.moveToNext());
 696             }
 697             c.close();
 698
 699             /// 3. apply updates in batch
 700             try {
 701                 if (getContentResolver() != null) {
 702                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 703
 704                 } else {
 705                     getContentProviderClient().applyBatch(operations);
 706                 }
 707
 708             } catch (Exception e) {
 709                 Log_OC.e(TAG, "Fail to update " + file.getFileId() + " and descendants in database", e);
 710             }
 711
 712             /// 4. move in local file system
 713             String originalLocalPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, file);
 714             String targetLocalPath = defaultSavePath + targetPath;
 715             File localFile = new File(originalLocalPath);
 716             boolean renamed = false;
 717             if (localFile.exists()) {
 718                 File targetFile = new File(targetLocalPath);
 719                 File targetFolder = targetFile.getParentFile();
 720                 if (!targetFolder.exists()) {
 721                     targetFolder.mkdirs();
 722                 }
 723                 renamed = localFile.renameTo(targetFile);
 724             }
 725
 726             if (renamed) {
 727                 Iterator<String> it = originalPathsToTriggerMediaScan.iterator();
 728                 while (it.hasNext()) {
 729                     // Notify MediaScanner about removed file
 730                     deleteFileInMediaScan(it.next());
 731                 }
 732                 it = newPathsToTriggerMediaScan.iterator();
 733                 while (it.hasNext()) {
 734                     // Notify MediaScanner about new file/folder
 735                     triggerMediaScan(it.next());
 736                 }
 737             }
 738         }
 739
 740     }
 741
 742     public void copyLocalFile(OCFile file, String targetPath) {
 743
 744         if (file != null && file.fileExists() && !OCFile.ROOT_PATH.equals(file.getFileName())) {
 745             String localPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, file);
 746             File localFile = new File(localPath);
 747             boolean copied = false;
 748             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 749             if (localFile.exists()) {
 750                 File targetFile = new File(defaultSavePath + targetPath);
 751                 File targetFolder = targetFile.getParentFile();
 752                 if (!targetFolder.exists()) {
 753                     targetFolder.mkdirs();
 754                 }
 755                 copied = copyFile(localFile, targetFile);
 756             }
 757             Log_OC.d(TAG, "Local file COPIED : " + copied);
 758         }
 759     }
 760
 761     private boolean copyFile(File src, File target) {
 762         boolean ret = true;
 763
 764         InputStream in = null;
 765         OutputStream out = null;
 766
 767         try {
 768             in = new FileInputStream(src);
 769             out = new FileOutputStream(target);
 770             byte[] buf = new byte[1024];
 771             int len;
 772             while ((len = in.read(buf)) > 0) {
 773                 out.write(buf, 0, len);
 774             }
 775         } catch (IOException ex) {
 776             ret = false;
 777         } finally {
 778             if (in != null) try {
 779                 in.close();
 780             } catch (IOException e) {
 781                 e.printStackTrace(System.err);
 782             }
 783             if (out != null) try {
 784                 out.close();
 785             } catch (IOException e) {
 786                 e.printStackTrace(System.err);
 787             }
 788         }
 789
 790         return ret;
 791     }
 792
 793
 794     private Vector<OCFile> getFolderContent(long parentId/*, boolean onlyOnDevice*/) {
 795
 796         Vector<OCFile> ret = new Vector<OCFile>();
 797
 798         Uri req_uri = Uri.withAppendedPath(
 799                 ProviderTableMeta.CONTENT_URI_DIR,
 800                 String.valueOf(parentId));
 801         Cursor c = null;
 802
 803         if (getContentProviderClient() != null) {
 804             try {
 805                 c = getContentProviderClient().query(req_uri, null,
 806                         ProviderTableMeta.FILE_PARENT + "=?",
 807                         new String[]{String.valueOf(parentId)}, null);
 808             } catch (RemoteException e) {
 809                 Log_OC.e(TAG, e.getMessage());
 810                 return ret;
 811             }
 812         } else {
 813             c = getContentResolver().query(req_uri, null,
 814                     ProviderTableMeta.FILE_PARENT + "=?",
 815                     new String[]{String.valueOf(parentId)}, null);
 816         }
 817
 818         if (c.moveToFirst()) {
 819             do {
 820                 OCFile child = createFileInstance(c);
 821                 // TODO Enable when "On Device" is recovered ?
 822                 // if (child.isFolder() || !onlyOnDevice || onlyOnDevice && child.isDown()){
 823                     ret.add(child);
 824                 // }
 825             } while (c.moveToNext());
 826         }
 827
 828         c.close();
 829
 830         Collections.sort(ret);
 831
 832         return ret;
 833     }
 834
 835
 836     private OCFile createRootDir() {
 837         OCFile file = new OCFile(OCFile.ROOT_PATH);
 838         file.setMimetype("DIR");
 839         file.setParentId(FileDataStorageManager.ROOT_PARENT_ID);
 840         saveFile(file);
 841         return file;
 842     }
 843
 844     private boolean fileExists(String cmp_key, String value) {
 845         Cursor c;
 846         if (getContentResolver() != null) {
 847             c = getContentResolver()
 848                     .query(ProviderTableMeta.CONTENT_URI,
 849                             null,
 850                             cmp_key + "=? AND "
 851                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 852                                     + "=?",
 853                             new String[]{value, mAccount.name}, null);
 854         } else {
 855             try {
 856                 c = getContentProviderClient().query(
 857                         ProviderTableMeta.CONTENT_URI,
 858                         null,
 859                         cmp_key + "=? AND "
 860                                 + ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
 861                         new String[]{value, mAccount.name}, null);
 862             } catch (RemoteException e) {
 863                 Log_OC.e(TAG,
 864                         "Couldn't determine file existance, assuming non existance: "
 865                                 + e.getMessage());
 866                 return false;
 867             }
 868         }
 869         boolean retval = c.moveToFirst();
 870         c.close();
 871         return retval;
 872     }
 873
 874     private Cursor getCursorForValue(String key, String value) {
 875         Cursor c = null;
 876         if (getContentResolver() != null) {
 877             c = getContentResolver()
 878                     .query(ProviderTableMeta.CONTENT_URI,
 879                             null,
 880                             key + "=? AND "
 881                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 882                                     + "=?",
 883                             new String[]{value, mAccount.name}, null);
 884         } else {
 885             try {
 886                 c = getContentProviderClient().query(
 887                         ProviderTableMeta.CONTENT_URI,
 888                         null,
 889                         key + "=? AND " + ProviderTableMeta.FILE_ACCOUNT_OWNER
 890                                 + "=?", new String[]{value, mAccount.name},
 891                         null);
 892             } catch (RemoteException e) {
 893                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 894                 c = null;
 895             }
 896         }
 897         return c;
 898     }
 899
 900
 901     private OCFile createFileInstance(Cursor c) {
 902         OCFile file = null;
 903         if (c != null) {
 904             file = new OCFile(c.getString(c
 905                     .getColumnIndex(ProviderTableMeta.FILE_PATH)));
 906             file.setFileId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
 907             file.setParentId(c.getLong(c
 908                     .getColumnIndex(ProviderTableMeta.FILE_PARENT)));
 909             file.setMimetype(c.getString(c
 910                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE)));
 911             if (!file.isFolder()) {
 912                 file.setStoragePath(c.getString(c
 913                         .getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH)));
 914                 if (file.getStoragePath() == null) {
 915                     // try to find existing file and bind it with current account;
 916                     // with the current update of SynchronizeFolderOperation, this won't be
 917                     // necessary anymore after a full synchronization of the account
 918                     File f = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 919                     if (f.exists()) {
 920                         file.setStoragePath(f.getAbsolutePath());
 921                         file.setLastSyncDateForData(f.lastModified());
 922                     }
 923                 }
 924             }
 925             file.setFileLength(c.getLong(c
 926                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH)));
 927             file.setCreationTimestamp(c.getLong(c
 928                     .getColumnIndex(ProviderTableMeta.FILE_CREATION)));
 929             file.setModificationTimestamp(c.getLong(c
 930                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED)));
 931             file.setModificationTimestampAtLastSyncForData(c.getLong(c
 932                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA)));
 933             file.setLastSyncDateForProperties(c.getLong(c
 934                     .getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE)));
 935             file.setLastSyncDateForData(c.getLong(c.
 936                     getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA)));
 937             file.setFavorite(c.getInt(
 938                     c.getColumnIndex(ProviderTableMeta.FILE_KEEP_IN_SYNC)) == 1 ? true : false);
 939             file.setEtag(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG)));
 940             file.setShareByLink(c.getInt(
 941                     c.getColumnIndex(ProviderTableMeta.FILE_SHARE_BY_LINK)) == 1 ? true : false);
 942             file.setPublicLink(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PUBLIC_LINK)));
 943             file.setPermissions(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PERMISSIONS)));
 944             file.setRemoteId(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_REMOTE_ID)));
 945             file.setNeedsUpdateThumbnail(c.getInt(
 946                     c.getColumnIndex(ProviderTableMeta.FILE_UPDATE_THUMBNAIL)) == 1 ? true : false);
 947             file.setDownloading(c.getInt(
 948                     c.getColumnIndex(ProviderTableMeta.FILE_IS_DOWNLOADING)) == 1 ? true : false);
 949             file.setInConflict(c.getInt(
 950                     c.getColumnIndex(ProviderTableMeta.FILE_IN_CONFLICT)) == 1 ? true : false);
 951
 952         }
 953         return file;
 954     }
 955
 956     /**
 957      * Returns if the file/folder is shared by link or not
 958      *
 959      * @param path Path of the file/folder
 960      * @return
 961      */
 962     public boolean isShareByLink(String path) {
 963         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 964         OCFile file = null;
 965         if (c.moveToFirst()) {
 966             file = createFileInstance(c);
 967         }
 968         c.close();
 969         return file.isShareByLink();
 970     }
 971
 972     /**
 973      * Returns the public link of the file/folder
 974      *
 975      * @param path Path of the file/folder
 976      * @return
 977      */
 978     public String getPublicLink(String path) {
 979         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 980         OCFile file = null;
 981         if (c.moveToFirst()) {
 982             file = createFileInstance(c);
 983         }
 984         c.close();
 985         return file.getPublicLink();
 986     }
 987
 988
 989     // Methods for Shares
 990     public boolean saveShare(OCShare share) {
 991         boolean overriden = false;
 992         ContentValues cv = new ContentValues();
 993         cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
 994         cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
 995         cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
 996         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
 997         cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
 998         cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
 999         cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1000         cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1001         cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1002         cv.put(
1003             ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1004             share.getSharedWithDisplayName()
1005         );
1006         cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1007         cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1008         cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1009         cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1010
1011         if (shareExists(share.getIdRemoteShared())) {           // for renamed files; no more delete and create
1012             overriden = true;
1013             if (getContentResolver() != null) {
1014                 getContentResolver().update(ProviderTableMeta.CONTENT_URI_SHARE, cv,
1015                         ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1016                         new String[]{String.valueOf(share.getIdRemoteShared())});
1017             } else {
1018                 try {
1019                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_SHARE,
1020                             cv, ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1021                             new String[]{String.valueOf(share.getIdRemoteShared())});
1022                 } catch (RemoteException e) {
1023                     Log_OC.e(TAG,
1024                             "Fail to insert insert file to database "
1025                                     + e.getMessage());
1026                 }
1027             }
1028         } else {
1029             Uri result_uri = null;
1030             if (getContentResolver() != null) {
1031                 result_uri = getContentResolver().insert(
1032                         ProviderTableMeta.CONTENT_URI_SHARE, cv);
1033             } else {
1034                 try {
1035                     result_uri = getContentProviderClient().insert(
1036                             ProviderTableMeta.CONTENT_URI_SHARE, cv);
1037                 } catch (RemoteException e) {
1038                     Log_OC.e(TAG,
1039                             "Fail to insert insert file to database "
1040                                     + e.getMessage());
1041                 }
1042             }
1043             if (result_uri != null) {
1044                 long new_id = Long.parseLong(result_uri.getPathSegments()
1045                         .get(1));
1046                 share.setId(new_id);
1047             }
1048         }
1049
1050         return overriden;
1051     }
1052
1053
1054     public OCShare getFirstShareByPathAndType(String path, ShareType type) {
1055         Cursor c = null;
1056         if (getContentResolver() != null) {
1057             c = getContentResolver().query(
1058                     ProviderTableMeta.CONTENT_URI_SHARE,
1059                     null,
1060                     ProviderTableMeta.OCSHARES_PATH + "=? AND "
1061                             + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
1062                             + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1063                     new String[]{path, Integer.toString(type.getValue()), mAccount.name},
1064                     null);
1065         } else {
1066             try {
1067                 c = getContentProviderClient().query(
1068                         ProviderTableMeta.CONTENT_URI_SHARE,
1069                         null,
1070                         ProviderTableMeta.OCSHARES_PATH + "=? AND "
1071                                 + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
1072                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1073                         new String[]{path, Integer.toString(type.getValue()), mAccount.name},
1074                         null);
1075
1076             } catch (RemoteException e) {
1077                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
1078                 c = null;
1079             }
1080         }
1081         OCShare share = null;
1082         if (c.moveToFirst()) {
1083             share = createShareInstance(c);
1084         }
1085         c.close();
1086         return share;
1087     }
1088
1089     private OCShare createShareInstance(Cursor c) {
1090         OCShare share = null;
1091         if (c != null) {
1092             share = new OCShare(c.getString(c
1093                     .getColumnIndex(ProviderTableMeta.OCSHARES_PATH)));
1094             share.setId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
1095             share.setFileSource(c.getLong(c
1096                     .getColumnIndex(ProviderTableMeta.OCSHARES_ITEM_SOURCE)));
1097             share.setShareType(ShareType.fromValue(c.getInt(c
1098                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_TYPE))));
1099             share.setPermissions(c.getInt(c
1100                     .getColumnIndex(ProviderTableMeta.OCSHARES_PERMISSIONS)));
1101             share.setSharedDate(c.getLong(c
1102                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARED_DATE)));
1103             share.setExpirationDate(c.getLong(c
1104                     .getColumnIndex(ProviderTableMeta.OCSHARES_EXPIRATION_DATE)));
1105             share.setToken(c.getString(c
1106                     .getColumnIndex(ProviderTableMeta.OCSHARES_TOKEN)));
1107             share.setSharedWithDisplayName(c.getString(c
1108                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME)));
1109             share.setIsFolder(c.getInt(
1110                     c.getColumnIndex(ProviderTableMeta.OCSHARES_IS_DIRECTORY)) == 1);
1111             share.setUserId(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_USER_ID)));
1112             share.setIdRemoteShared(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED)));
1113         }
1114         return share;
1115     }
1116
1117     private boolean shareExists(String cmp_key, String value) {
1118         Cursor c;
1119         if (getContentResolver() != null) {
1120             c = getContentResolver()
1121                     .query(ProviderTableMeta.CONTENT_URI_SHARE,
1122                             null,
1123                             cmp_key + "=? AND "
1124                                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
1125                                     + "=?",
1126                             new String[]{value, mAccount.name}, null);
1127         } else {
1128             try {
1129                 c = getContentProviderClient().query(
1130                         ProviderTableMeta.CONTENT_URI_SHARE,
1131                         null,
1132                         cmp_key + "=? AND "
1133                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1134                         new String[]{value, mAccount.name}, null);
1135             } catch (RemoteException e) {
1136                 Log_OC.e(TAG,
1137                         "Couldn't determine file existance, assuming non existance: "
1138                                 + e.getMessage());
1139                 return false;
1140             }
1141         }
1142         boolean retval = c.moveToFirst();
1143         c.close();
1144         return retval;
1145     }
1146
1147     private boolean shareExists(long remoteId) {
1148         return shareExists(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, String.valueOf(remoteId));
1149     }
1150
1151     private void cleanSharedFiles() {
1152         ContentValues cv = new ContentValues();
1153         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
1154         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1155         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?";
1156         String[] whereArgs = new String[]{mAccount.name};
1157
1158         if (getContentResolver() != null) {
1159             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1160
1161         } else {
1162             try {
1163                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1164             } catch (RemoteException e) {
1165                 Log_OC.e(TAG, "Exception in cleanSharedFiles" + e.getMessage());
1166             }
1167         }
1168     }
1169
1170     private void cleanSharedFilesInFolder(OCFile folder) {
1171         ContentValues cv = new ContentValues();
1172         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
1173         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1174         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1175                 ProviderTableMeta.FILE_PARENT + "=?";
1176         String [] whereArgs = new String[] { mAccount.name , String.valueOf(folder.getFileId()) };
1177
1178         if (getContentResolver() != null) {
1179             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1180
1181         } else {
1182             try {
1183                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1184             } catch (RemoteException e) {
1185                 Log_OC.e(TAG, "Exception in cleanSharedFilesInFolder " + e.getMessage());
1186             }
1187         }
1188     }
1189
1190     private void cleanShares() {
1191         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1192         String[] whereArgs = new String[]{mAccount.name};
1193
1194         if (getContentResolver() != null) {
1195             getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1196
1197         } else {
1198             try {
1199                 getContentProviderClient().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1200             } catch (RemoteException e) {
1201                 Log_OC.e(TAG, "Exception in cleanShares" + e.getMessage());
1202             }
1203         }
1204     }
1205
1206     public void saveShares(Collection<OCShare> shares) {
1207         cleanShares();
1208         if (shares != null) {
1209             ArrayList<ContentProviderOperation> operations =
1210                     new ArrayList<ContentProviderOperation>(shares.size());
1211
1212             // prepare operations to insert or update files to save in the given folder
1213             for (OCShare share : shares) {
1214                 ContentValues cv = new ContentValues();
1215                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1216                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1217                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1218                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1219                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1220                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1221                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1222                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1223                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1224                 cv.put(
1225                     ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1226                     share.getSharedWithDisplayName()
1227                 );
1228                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1229                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1230                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1231                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1232
1233                 if (shareExists(share.getIdRemoteShared())) {
1234                     // updating an existing file
1235                     operations.add(
1236                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1237                             withValues(cv).
1238                             withSelection(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1239                                     new String[]{String.valueOf(share.getIdRemoteShared())})
1240                             .build());
1241                 } else {
1242                     // adding a new file
1243                     operations.add(
1244                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1245                             withValues(cv).
1246                             build()
1247                     );
1248                 }
1249             }
1250
1251             // apply operations in batch
1252             if (operations.size() > 0) {
1253                 @SuppressWarnings("unused")
1254                 ContentProviderResult[] results = null;
1255                 Log_OC.d(TAG, "Sending " + operations.size() +
1256                         " operations to FileContentProvider");
1257                 try {
1258                     if (getContentResolver() != null) {
1259                         results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1260                     } else {
1261                         results = getContentProviderClient().applyBatch(operations);
1262                     }
1263
1264                 } catch (OperationApplicationException e) {
1265                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1266
1267                 } catch (RemoteException e) {
1268                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1269                 }
1270             }
1271         }
1272
1273     }
1274
1275     public void updateSharedFiles(Collection<OCFile> sharedFiles) {
1276         cleanSharedFiles();
1277
1278         if (sharedFiles != null) {
1279             ArrayList<ContentProviderOperation> operations =
1280                     new ArrayList<ContentProviderOperation>(sharedFiles.size());
1281
1282             // prepare operations to insert or update files to save in the given folder
1283             for (OCFile file : sharedFiles) {
1284                 ContentValues cv = new ContentValues();
1285                 cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
1286                 cv.put(
1287                     ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
1288                     file.getModificationTimestampAtLastSyncForData()
1289                 );
1290                 cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
1291                 cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
1292                 cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
1293                 cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
1294                 cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
1295                 cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
1296                 if (!file.isFolder()) {
1297                     cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
1298                 }
1299                 cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
1300                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
1301                 cv.put(
1302                     ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA,
1303                     file.getLastSyncDateForData()
1304                 );
1305                 cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.isFavorite() ? 1 : 0);
1306                 cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
1307                 cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
1308                 cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
1309                 cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
1310                 cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
1311                 cv.put(
1312                     ProviderTableMeta.FILE_UPDATE_THUMBNAIL,
1313                     file.needsUpdateThumbnail() ? 1 : 0
1314                 );
1315                 cv.put(
1316                         ProviderTableMeta.FILE_IS_DOWNLOADING,
1317                         file.isDownloading() ? 1 : 0
1318                 );
1319                 cv.put(
1320                         ProviderTableMeta.FILE_IN_CONFLICT,
1321                         file.isInConflict() ? 1 : 0
1322                 );
1323
1324                 boolean existsByPath = fileExists(file.getRemotePath());
1325                 if (existsByPath || fileExists(file.getFileId())) {
1326                     // updating an existing file
1327                     operations.add(
1328                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
1329                             withValues(cv).
1330                             withSelection(ProviderTableMeta._ID + "=?",
1331                                     new String[]{String.valueOf(file.getFileId())})
1332                             .build());
1333
1334                 } else {
1335                     // adding a new file
1336                     operations.add(
1337                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
1338                             withValues(cv).
1339                             build()
1340                     );
1341                 }
1342             }
1343
1344             // apply operations in batch
1345             if (operations.size() > 0) {
1346                 @SuppressWarnings("unused")
1347                 ContentProviderResult[] results = null;
1348                 Log_OC.d(TAG, "Sending " + operations.size() +
1349                         " operations to FileContentProvider");
1350                 try {
1351                     if (getContentResolver() != null) {
1352                         results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1353                     } else {
1354                         results = getContentProviderClient().applyBatch(operations);
1355                     }
1356
1357                 } catch (OperationApplicationException e) {
1358                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1359
1360                 } catch (RemoteException e) {
1361                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1362                 }
1363             }
1364         }
1365
1366     }
1367
1368     public void removeShare(OCShare share) {
1369         Uri share_uri = ProviderTableMeta.CONTENT_URI_SHARE;
1370         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?" + " AND " +
1371                 ProviderTableMeta.FILE_PATH + "=?";
1372         String [] whereArgs = new String[]{mAccount.name, share.getPath()};
1373         if (getContentProviderClient() != null) {
1374             try {
1375                 getContentProviderClient().delete(share_uri, where, whereArgs);
1376             } catch (RemoteException e) {
1377                 e.printStackTrace();
1378             }
1379         } else {
1380             getContentResolver().delete(share_uri, where, whereArgs);
1381         }
1382     }
1383
1384     public void saveSharesDB(ArrayList<OCShare> shares) {
1385         saveShares(shares);
1386
1387         ArrayList<OCFile> sharedFiles = new ArrayList<OCFile>();
1388
1389         for (OCShare share : shares) {
1390             // Get the path
1391             String path = share.getPath();
1392             if (share.isFolder()) {
1393                 path = path + FileUtils.PATH_SEPARATOR;
1394             }
1395
1396             // Update OCFile with data from share: ShareByLink  and publicLink
1397             OCFile file = getFileByPath(path);
1398             if (file != null) {
1399                 if (share.getShareType().equals(ShareType.PUBLIC_LINK)) {
1400                     file.setShareByLink(true);
1401                     sharedFiles.add(file);
1402                 }
1403             }
1404         }
1405
1406         updateSharedFiles(sharedFiles);
1407     }
1408
1409
1410     public void saveSharesInFolder(ArrayList<OCShare> shares, OCFile folder) {
1411         cleanSharedFilesInFolder(folder);
1412         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1413         operations = prepareRemoveSharesInFolder(folder, operations);
1414
1415         if (shares != null) {
1416             // prepare operations to insert or update files to save in the given folder
1417             for (OCShare share : shares) {
1418                 ContentValues cv = new ContentValues();
1419                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1420                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1421                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1422                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1423                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1424                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1425                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1426                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1427                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1428                 cv.put(
1429                     ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1430                     share.getSharedWithDisplayName()
1431                 );
1432                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1433                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1434                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1435                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1436
1437                 /*
1438                 if (shareExists(share.getIdRemoteShared())) {
1439                     // updating an existing share resource
1440                     operations.add(
1441                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1442                             withValues(cv).
1443                             withSelection(  ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1444                                     new String[] { String.valueOf(share.getIdRemoteShared()) })
1445                                     .build());
1446
1447                 } else {
1448                 */
1449                 // adding a new share resource
1450                 operations.add(
1451                         ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1452                         withValues(cv).
1453                         build()
1454                 );
1455                 //}
1456             }
1457         }
1458
1459         // apply operations in batch
1460         if (operations.size() > 0) {
1461             @SuppressWarnings("unused")
1462             ContentProviderResult[] results = null;
1463             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1464             try {
1465                 if (getContentResolver() != null) {
1466                     results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1467
1468                 } else {
1469                     results = getContentProviderClient().applyBatch(operations);
1470                 }
1471
1472             } catch (OperationApplicationException e) {
1473                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1474
1475             } catch (RemoteException e) {
1476                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1477             }
1478         }
1479         //}
1480
1481     }
1482
1483     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFolder(
1484             OCFile folder, ArrayList<ContentProviderOperation> preparedOperations) {
1485         if (folder != null) {
1486             String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND "
1487                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1488             String [] whereArgs = new String[]{ "", mAccount.name };
1489
1490             // TODO Enable when "On Device" is recovered ?
1491             Vector<OCFile> files = getFolderContent(folder /*, false*/);
1492
1493             for (OCFile file : files) {
1494                 whereArgs[0] = file.getRemotePath();
1495                 preparedOperations.add(
1496                         ContentProviderOperation.newDelete(ProviderTableMeta.CONTENT_URI_SHARE).
1497                         withSelection(where, whereArgs).
1498                         build()
1499                 );
1500             }
1501         }
1502         return preparedOperations;
1503
1504         /*
1505         if (operations.size() > 0) {
1506             try {
1507                 if (getContentResolver() != null) {
1508                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1509
1510                 } else {
1511                     getContentProviderClient().applyBatch(operations);
1512                 }
1513
1514             } catch (OperationApplicationException e) {
1515                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1516
1517             } catch (RemoteException e) {
1518                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1519             }
1520         }
1521         */
1522
1523             /*
1524             if (getContentResolver() != null) {
1525
1526                 getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE,
1527                                             where,
1528                                             whereArgs);
1529             } else {
1530                 try {
1531                     getContentProviderClient().delete(  ProviderTableMeta.CONTENT_URI_SHARE,
1532                                                         where,
1533                                                         whereArgs);
1534
1535                 } catch (RemoteException e) {
1536                     Log_OC.e(TAG, "Exception deleting shares in a folder " + e.getMessage());
1537                 }
1538             }
1539             */
1540         //}
1541     }
1542
1543     public void triggerMediaScan(String path) {
1544         Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
1545         intent.setData(Uri.fromFile(new File(path)));
1546         MainApp.getAppContext().sendBroadcast(intent);
1547     }
1548
1549     public void deleteFileInMediaScan(String path) {
1550
1551         String mimetypeString = FileStorageUtils.getMimeTypeFromName(path);
1552         ContentResolver contentResolver = getContentResolver();
1553
1554         if (contentResolver != null) {
1555             if (mimetypeString.startsWith("image/")) {
1556                 // Images
1557                 contentResolver.delete(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
1558                         MediaStore.Images.Media.DATA + "=?", new String[]{path});
1559             } else if (mimetypeString.startsWith("audio/")) {
1560                 // Audio
1561                 contentResolver.delete(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
1562                         MediaStore.Audio.Media.DATA + "=?", new String[]{path});
1563             } else if (mimetypeString.startsWith("video/")) {
1564                 // Video
1565                 contentResolver.delete(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
1566                         MediaStore.Video.Media.DATA + "=?", new String[]{path});
1567             }
1568         } else {
1569             ContentProviderClient contentProviderClient = getContentProviderClient();
1570             try {
1571                 if (mimetypeString.startsWith("image/")) {
1572                     // Images
1573                     contentProviderClient.delete(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
1574                             MediaStore.Images.Media.DATA + "=?", new String[]{path});
1575                 } else if (mimetypeString.startsWith("audio/")) {
1576                     // Audio
1577                     contentProviderClient.delete(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
1578                             MediaStore.Audio.Media.DATA + "=?", new String[]{path});
1579                 } else if (mimetypeString.startsWith("video/")) {
1580                     // Video
1581                     contentProviderClient.delete(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
1582                             MediaStore.Video.Media.DATA + "=?", new String[]{path});
1583                 }
1584             } catch (RemoteException e) {
1585                 Log_OC.e(TAG, "Exception deleting media file in MediaStore " + e.getMessage());
1586             }
1587         }
1588
1589     }
1590
1591     public void saveConflict(OCFile file, boolean inConflict) {
1592         ContentValues cv = new ContentValues();
1593         cv.put(ProviderTableMeta.FILE_IN_CONFLICT, inConflict);
1594         int updated = 0;
1595         if (getContentResolver() != null) {
1596             updated = getContentResolver().update(
1597                     ProviderTableMeta.CONTENT_URI_FILE,
1598                     cv,
1599                     ProviderTableMeta._ID + "=?",
1600                     new String[] { String.valueOf(file.getFileId())}
1601             );
1602         } else {
1603             try {
1604                 updated = getContentProviderClient().update(
1605                         ProviderTableMeta.CONTENT_URI_FILE,
1606                         cv,
1607                         ProviderTableMeta._ID + "=?",
1608                         new String[]{String.valueOf(file.getFileId())}
1609                 );
1610             } catch (RemoteException e) {
1611                 Log_OC.e(TAG, "Failed saving conflict in database " + e.getMessage());
1612             }
1613         }
1614
1615         Log_OC.d(TAG, "Number of files updated with CONFLICT: " + updated);
1616
1617         if (updated > 0) {
1618             if (inConflict) {
1619                 /// set conflict in all ancestor folders
1620
1621                 long parentId = file.getParentId();
1622                 Set<String> ancestorIds = new HashSet<String>();
1623                 while (parentId != FileDataStorageManager.ROOT_PARENT_ID) {
1624                     ancestorIds.add(Long.toString(parentId));
1625                     parentId = getFileById(parentId).getParentId();
1626                 }
1627
1628                 if (ancestorIds.size() > 0) {
1629                     StringBuffer whereBuffer = new StringBuffer();
1630                     whereBuffer.append(ProviderTableMeta._ID).append(" IN (");
1631                     for (int i = 0; i < ancestorIds.size() - 1; i++) {
1632                         whereBuffer.append("?,");
1633                     }
1634                     whereBuffer.append("?");
1635                     whereBuffer.append(")");
1636
1637                     if (getContentResolver() != null) {
1638                         updated = getContentResolver().update(
1639                                 ProviderTableMeta.CONTENT_URI_FILE,
1640                                 cv,
1641                                 whereBuffer.toString(),
1642                                 ancestorIds.toArray(new String[]{})
1643                         );
1644                     } else {
1645                         try {
1646                             updated = getContentProviderClient().update(
1647                                     ProviderTableMeta.CONTENT_URI_FILE,
1648                                     cv,
1649                                     whereBuffer.toString(),
1650                                     ancestorIds.toArray(new String[]{})
1651                             );
1652                         } catch (RemoteException e) {
1653                             Log_OC.e(TAG, "Failed saving conflict in database " + e.getMessage());
1654                         }
1655                     }
1656                 } // else file is ROOT folder, no parent to set in conflict
1657
1658             } else {
1659                 /// TODO update conflict in ancestor folders
1660                 // (not directly unset; maybe there are more conflicts below them)
1661             }
1662         }
1663
1664         Log_OC.d(TAG, "Number of parents updated with CONFLICT: " + updated);
1665
1666     }
1667 }