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;
  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 void setContentResolver(ContentResolver cr) {
  95         mContentResolver = cr;
  96     }
  97
  98     public ContentResolver getContentResolver() {
  99         return mContentResolver;
 100     }
 101
 102     public void setContentProviderClient(ContentProviderClient cp) {
 103         mContentProviderClient = cp;
 104     }
 105
 106     public ContentProviderClient getContentProviderClient() {
 107         return mContentProviderClient;
 108     }
 109
 110
 111     public OCFile getFileByPath(String path) {
 112         Cursor c = getCursorForValue(ProviderTableMeta.FILE_PATH, path);
 113         OCFile file = null;
 114         if (c.moveToFirst()) {
 115             file = createFileInstance(c);
 116         }
 117         c.close();
 118         if (file == null && OCFile.ROOT_PATH.equals(path)) {
 119             return createRootDir(); // root should always exist
 120         }
 121         return file;
 122     }
 123
 124
 125     public OCFile getFileById(long id) {
 126         Cursor c = getCursorForValue(ProviderTableMeta._ID, String.valueOf(id));
 127         OCFile file = null;
 128         if (c.moveToFirst()) {
 129             file = createFileInstance(c);
 130         }
 131         c.close();
 132         return file;
 133     }
 134
 135     public OCFile getFileByLocalPath(String path) {
 136         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 137         OCFile file = null;
 138         if (c.moveToFirst()) {
 139             file = createFileInstance(c);
 140         }
 141         c.close();
 142         return file;
 143     }
 144
 145     public boolean fileExists(long id) {
 146         return fileExists(ProviderTableMeta._ID, String.valueOf(id));
 147     }
 148
 149     public boolean fileExists(String path) {
 150         return fileExists(ProviderTableMeta.FILE_PATH, path);
 151     }
 152
 153
 154     public Vector<OCFile> getFolderContent(OCFile f/*, boolean onlyOnDevice*/) {
 155         if (f != null && f.isFolder() && f.getFileId() != -1) {
 156             // TODO Enable when "On Device" is recovered ?
 157             return getFolderContent(f.getFileId()/*, onlyOnDevice*/);
 158
 159         } else {
 160             return new Vector<OCFile>();
 161         }
 162     }
 163
 164
 165     public Vector<OCFile> getFolderImages(OCFile folder/*, boolean onlyOnDevice*/) {
 166         Vector<OCFile> ret = new Vector<OCFile>();
 167         if (folder != null) {
 168             // TODO better implementation, filtering in the access to database instead of here
 169             // TODO Enable when "On Device" is recovered ?
 170             Vector<OCFile> tmp = getFolderContent(folder/*, onlyOnDevice*/);
 171             OCFile current = null;
 172             for (int i=0; i<tmp.size(); i++) {
 173                 current = tmp.get(i);
 174                 if (current.isImage()) {
 175                     ret.add(current);
 176                 }
 177             }
 178         }
 179         return ret;
 180     }
 181
 182     public boolean saveFile(OCFile file) {
 183         boolean overriden = false;
 184         ContentValues cv = new ContentValues();
 185         cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 186         cv.put(
 187             ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 188             file.getModificationTimestampAtLastSyncForData()
 189         );
 190         cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 191         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 192         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 193         cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 194         //if (file.getParentId() != DataStorageManager.ROOT_PARENT_ID)
 195         cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 196         cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 197         if (!file.isFolder())
 198             cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 199         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 200         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 201         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 202         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.isFavorite() ? 1 : 0);
 203         cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 204         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
 205         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 206         cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 207         cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 208         cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
 209         cv.put(ProviderTableMeta.FILE_IS_DOWNLOADING, file.isDownloading());
 210         cv.put(ProviderTableMeta.FILE_IN_CONFLICT, file.isInConflict());
 211
 212         boolean sameRemotePath = fileExists(file.getRemotePath());
 213         if (sameRemotePath ||                fileExists(file.getFileId())) {           // for renamed files; no more delete and create
 214
 215             OCFile oldFile = null;
 216             if (sameRemotePath) {
 217                 oldFile = getFileByPath(file.getRemotePath());
 218                 file.setFileId(oldFile.getFileId());
 219             } else {
 220                 oldFile = getFileById(file.getFileId());
 221             }
 222
 223             overriden = true;
 224             if (getContentResolver() != null) {
 225                 getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv,
 226                         ProviderTableMeta._ID + "=?",
 227                         new String[]{String.valueOf(file.getFileId())});
 228             } else {
 229                 try {
 230                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI,
 231                             cv, ProviderTableMeta._ID + "=?",
 232                             new String[]{String.valueOf(file.getFileId())});
 233                 } catch (RemoteException e) {
 234                     Log_OC.e(TAG,
 235                             "Fail to insert insert file to database "
 236                                     + e.getMessage());
 237                 }
 238             }
 239         } else {
 240             Uri result_uri = null;
 241             if (getContentResolver() != null) {
 242                 result_uri = getContentResolver().insert(
 243                         ProviderTableMeta.CONTENT_URI_FILE, cv);
 244             } else {
 245                 try {
 246                     result_uri = getContentProviderClient().insert(
 247                             ProviderTableMeta.CONTENT_URI_FILE, cv);
 248                 } catch (RemoteException e) {
 249                     Log_OC.e(TAG,
 250                             "Fail to insert insert file to database "
 251                                     + e.getMessage());
 252                 }
 253             }
 254             if (result_uri != null) {
 255                 long new_id = Long.parseLong(result_uri.getPathSegments()
 256                         .get(1));
 257                 file.setFileId(new_id);
 258             }
 259         }
 260
 261 //        if (file.isFolder()) {
 262 //            updateFolderSize(file.getFileId());
 263 //        } else {
 264 //            updateFolderSize(file.getParentId());
 265 //        }
 266
 267         return overriden;
 268     }
 269
 270
 271     /**
 272      * Inserts or updates the list of files contained in a given folder.
 273      * <p/>
 274      * CALLER IS THE RESPONSIBLE FOR GRANTING RIGHT UPDATE OF INFORMATION, NOT THIS METHOD.
 275      * HERE ONLY DATA CONSISTENCY SHOULD BE GRANTED
 276      *
 277      * @param folder
 278      * @param updatedFiles
 279      * @param filesToRemove
 280      */
 281     public void saveFolder(
 282             OCFile folder, Collection<OCFile> updatedFiles, Collection<OCFile> filesToRemove
 283         ) {
 284
 285         Log_OC.d(TAG,  "Saving folder " + folder.getRemotePath() + " with " + updatedFiles.size()
 286                 + " children and " + filesToRemove.size() + " files to remove");
 287
 288         ArrayList<ContentProviderOperation> operations =
 289                 new ArrayList<ContentProviderOperation>(updatedFiles.size());
 290
 291         // prepare operations to insert or update files to save in the given folder
 292         for (OCFile file : updatedFiles) {
 293             ContentValues cv = new ContentValues();
 294             cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 295             cv.put(
 296                 ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 297                 file.getModificationTimestampAtLastSyncForData()
 298             );
 299             cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 300             cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 301             cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 302             cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 303             //cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 304             cv.put(ProviderTableMeta.FILE_PARENT, folder.getFileId());
 305             cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 306             if (!file.isFolder()) {
 307                 cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 308             }
 309             cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 310             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 311             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 312             cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.isFavorite() ? 1 : 0);
 313             cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 314             cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
 315             cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 316             cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 317             cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 318             cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
 319             cv.put(ProviderTableMeta.FILE_IS_DOWNLOADING, file.isDownloading());
 320             cv.put(ProviderTableMeta.FILE_IN_CONFLICT, file.isInConflict());
 321
 322             boolean existsByPath = fileExists(file.getRemotePath());
 323             if (existsByPath || fileExists(file.getFileId())) {
 324                 // updating an existing file
 325                 operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 326                         withValues(cv).
 327                         withSelection(ProviderTableMeta._ID + "=?",
 328                                 new String[]{String.valueOf(file.getFileId())})
 329                         .build());
 330
 331             } else {
 332                 // adding a new file
 333                 operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
 334                         withValues(cv).build());
 335             }
 336         }
 337
 338         // prepare operations to remove files in the given folder
 339         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 340                 ProviderTableMeta.FILE_PATH + "=?";
 341         String [] whereArgs = null;
 342         for (OCFile file : filesToRemove) {
 343             if (file.getParentId() == folder.getFileId()) {
 344                 whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 345                 //Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE, "" + file.getFileId());
 346                 if (file.isFolder()) {
 347                     operations.add(ContentProviderOperation.newDelete(
 348                             ContentUris.withAppendedId(
 349                                     ProviderTableMeta.CONTENT_URI_DIR, file.getFileId()
 350                             )
 351                     ).withSelection(where, whereArgs).build());
 352
 353                     File localFolder =
 354                             new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 355                     if (localFolder.exists()) {
 356                         removeLocalFolder(localFolder);
 357                     }
 358                 } else {
 359                     operations.add(ContentProviderOperation.newDelete(
 360                             ContentUris.withAppendedId(
 361                                     ProviderTableMeta.CONTENT_URI_FILE, file.getFileId()
 362                             )
 363                     ).withSelection(where, whereArgs).build());
 364
 365                     if (file.isDown()) {
 366                         String path = file.getStoragePath();
 367                         new File(path).delete();
 368                         triggerMediaScan(path); // notify MediaScanner about removed file
 369                     }
 370                 }
 371             }
 372         }
 373
 374         // update metadata of folder
 375         ContentValues cv = new ContentValues();
 376         cv.put(ProviderTableMeta.FILE_MODIFIED, folder.getModificationTimestamp());
 377         cv.put(
 378             ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 379             folder.getModificationTimestampAtLastSyncForData()
 380         );
 381         cv.put(ProviderTableMeta.FILE_CREATION, folder.getCreationTimestamp());
 382         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, 0);
 383         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, folder.getMimetype());
 384         cv.put(ProviderTableMeta.FILE_NAME, folder.getFileName());
 385         cv.put(ProviderTableMeta.FILE_PARENT, folder.getParentId());
 386         cv.put(ProviderTableMeta.FILE_PATH, folder.getRemotePath());
 387         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 388         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, folder.getLastSyncDateForProperties());
 389         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, folder.getLastSyncDateForData());
 390         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, folder.isFavorite() ? 1 : 0);
 391         cv.put(ProviderTableMeta.FILE_ETAG, folder.getEtag());
 392         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, folder.isShareByLink() ? 1 : 0);
 393         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, folder.getPublicLink());
 394         cv.put(ProviderTableMeta.FILE_PERMISSIONS, folder.getPermissions());
 395         cv.put(ProviderTableMeta.FILE_REMOTE_ID, folder.getRemoteId());
 396
 397         operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 398                 withValues(cv).
 399                 withSelection(ProviderTableMeta._ID + "=?",
 400                         new String[]{String.valueOf(folder.getFileId())})
 401                 .build());
 402
 403         // apply operations in batch
 404         ContentProviderResult[] results = null;
 405         Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
 406         try {
 407             if (getContentResolver() != null) {
 408                 results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 409
 410             } else {
 411                 results = getContentProviderClient().applyBatch(operations);
 412             }
 413
 414         } catch (OperationApplicationException e) {
 415             Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
 416
 417         } catch (RemoteException e) {
 418             Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
 419         }
 420
 421         // update new id in file objects for insertions
 422         if (results != null) {
 423             long newId;
 424             Iterator<OCFile> filesIt = updatedFiles.iterator();
 425             OCFile file = null;
 426             for (int i = 0; i < results.length; i++) {
 427                 if (filesIt.hasNext()) {
 428                     file = filesIt.next();
 429                 } else {
 430                     file = null;
 431                 }
 432                 if (results[i].uri != null) {
 433                     newId = Long.parseLong(results[i].uri.getPathSegments().get(1));
 434                     //updatedFiles.get(i).setFileId(newId);
 435                     if (file != null) {
 436                         file.setFileId(newId);
 437                     }
 438                 }
 439             }
 440         }
 441
 442         //updateFolderSize(folder.getFileId());
 443
 444     }
 445
 446
 447 //    /**
 448 //     *
 449 //     * @param id
 450 //     */
 451 //    private void updateFolderSize(long id) {
 452 //        if (id > FileDataStorageManager.ROOT_PARENT_ID) {
 453 //            Log_OC.d(TAG, "Updating size of " + id);
 454 //            if (getContentResolver() != null) {
 455 //                getContentResolver().update(ProviderTableMeta.CONTENT_URI_DIR,
 456 //                        new ContentValues(),
 457                             // won't be used, but cannot be null; crashes in KLP
 458 //                        ProviderTableMeta._ID + "=?",
 459 //                        new String[] { String.valueOf(id) });
 460 //            } else {
 461 //                try {
 462 //                    getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_DIR,
 463 //                            new ContentValues(),
 464                                 // won't be used, but cannot be null; crashes in KLP
 465 //                            ProviderTableMeta._ID + "=?",
 466 //                            new String[] { String.valueOf(id) });
 467 //
 468 //                } catch (RemoteException e) {
 469 //                    Log_OC.e(
 470 //    TAG, "Exception in update of folder size through compatibility patch " + e.getMessage());
 471 //                }
 472 //            }
 473 //        } else {
 474 //            Log_OC.e(TAG,  "not updating size for folder " + id);
 475 //        }
 476 //    }
 477
 478
 479     public boolean removeFile(OCFile file, boolean removeDBData, boolean removeLocalCopy) {
 480         boolean success = true;
 481         if (file != null) {
 482             if (file.isFolder()) {
 483                 success = removeFolder(file, removeDBData, removeLocalCopy);
 484
 485             } else {
 486                 if (removeDBData) {
 487                     //Uri file_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE, ""+file.getFileId());
 488                     Uri file_uri = ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_FILE, file.getFileId());
 489                     String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " + ProviderTableMeta.FILE_PATH + "=?";
 490                     String[] whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 491                     int deleted = 0;
 492                     if (getContentProviderClient() != null) {
 493                         try {
 494                             deleted = getContentProviderClient().delete(file_uri, where, whereArgs);
 495                         } catch (RemoteException e) {
 496                             e.printStackTrace();
 497                         }
 498                     } else {
 499                         deleted = getContentResolver().delete(file_uri, where, whereArgs);
 500                     }
 501                     success &= (deleted > 0);
 502                 }
 503                 String localPath = file.getStoragePath();
 504                 if (removeLocalCopy && file.isDown() && localPath != null && success) {
 505                     success = new File(localPath).delete();
 506                     if (success) {
 507                         deleteFileInMediaScan(localPath);
 508                     }
 509                     if (!removeDBData && success) {
 510                         // maybe unnecessary, but should be checked TODO remove if unnecessary
 511                         file.setStoragePath(null);
 512                         saveFile(file);
 513                         saveConflict(file, false);
 514                     }
 515                 }
 516             }
 517         }
 518         return success;
 519     }
 520
 521
 522     public boolean removeFolder(OCFile folder, boolean removeDBData, boolean removeLocalContent) {
 523         boolean success = true;
 524         if (folder != null && folder.isFolder()) {
 525             if (removeDBData && folder.getFileId() != -1) {
 526                 success = removeFolderInDb(folder);
 527             }
 528             if (removeLocalContent && success) {
 529                 success = removeLocalFolder(folder);
 530             }
 531         }
 532         return success;
 533     }
 534
 535     private boolean removeFolderInDb(OCFile folder) {
 536         Uri folder_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, "" +
 537                 folder.getFileId());   // URI for recursive deletion
 538         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 539                 ProviderTableMeta.FILE_PATH + "=?";
 540         String [] whereArgs = new String[]{mAccount.name, folder.getRemotePath()};
 541         int deleted = 0;
 542         if (getContentProviderClient() != null) {
 543             try {
 544                 deleted = getContentProviderClient().delete(folder_uri, where, whereArgs);
 545             } catch (RemoteException e) {
 546                 e.printStackTrace();
 547             }
 548         } else {
 549             deleted = getContentResolver().delete(folder_uri, where, whereArgs);
 550         }
 551         return deleted > 0;
 552     }
 553
 554     private boolean removeLocalFolder(OCFile folder) {
 555         boolean success = true;
 556         String localFolderPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, folder);
 557         File localFolder = new File(localFolderPath);
 558         if (localFolder.exists()) {
 559             // stage 1: remove the local files already registered in the files database
 560             // TODO Enable when "On Device" is recovered ?
 561             Vector<OCFile> files = getFolderContent(folder.getFileId()/*, false*/);
 562             if (files != null) {
 563                 for (OCFile file : files) {
 564                     if (file.isFolder()) {
 565                         success &= removeLocalFolder(file);
 566                     } else {
 567                         if (file.isDown()) {
 568                             File localFile = new File(file.getStoragePath());
 569                             success &= localFile.delete();
 570                             if (success) {
 571                                 // notify MediaScanner about removed file
 572                                 deleteFileInMediaScan(file.getStoragePath());
 573                                 file.setStoragePath(null);
 574                                 saveFile(file);
 575                             }
 576                         }
 577                     }
 578                 }
 579             }
 580
 581             // stage 2: remove the folder itself and any local file inside out of sync;
 582             //          for instance, after clearing the app cache or reinstalling
 583             success &= removeLocalFolder(localFolder);
 584         }
 585         return success;
 586     }
 587
 588     private boolean removeLocalFolder(File localFolder) {
 589         boolean success = true;
 590         File[] localFiles = localFolder.listFiles();
 591         if (localFiles != null) {
 592             for (File localFile : localFiles) {
 593                 if (localFile.isDirectory()) {
 594                     success &= removeLocalFolder(localFile);
 595                 } else {
 596                     String path = localFile.getAbsolutePath();
 597                     success &= localFile.delete();
 598                 }
 599             }
 600         }
 601         success &= localFolder.delete();
 602         return success;
 603     }
 604
 605
 606     /**
 607      * Updates database and file system for a file or folder that was moved to a different location.
 608      *
 609      * TODO explore better (faster) implementations
 610      * TODO throw exceptions up !
 611      */
 612     public void moveLocalFile(OCFile file, String targetPath, String targetParentPath) {
 613
 614         if (file != null && file.fileExists() && !OCFile.ROOT_PATH.equals(file.getFileName())) {
 615
 616             OCFile targetParent = getFileByPath(targetParentPath);
 617             if (targetParent == null) {
 618                 throw new IllegalStateException("Parent folder of the target path does not exist!!");
 619             }
 620
 621             /// 1. get all the descendants of the moved element in a single QUERY
 622             Cursor c = null;
 623             if (getContentProviderClient() != null) {
 624                 try {
 625                     c = getContentProviderClient().query(
 626                             ProviderTableMeta.CONTENT_URI,
 627                             null,
 628                             ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 629                                     ProviderTableMeta.FILE_PATH + " LIKE ? ",
 630                             new String[]{
 631                                     mAccount.name,
 632                                     file.getRemotePath() + "%"
 633                             },
 634                             ProviderTableMeta.FILE_PATH + " ASC "
 635                     );
 636                 } catch (RemoteException e) {
 637                     Log_OC.e(TAG, e.getMessage());
 638                 }
 639
 640             } else {
 641                 c = getContentResolver().query(
 642                         ProviderTableMeta.CONTENT_URI,
 643                         null,
 644                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 645                                 ProviderTableMeta.FILE_PATH + " LIKE ? ",
 646                         new String[]{
 647                                 mAccount.name,
 648                                 file.getRemotePath() + "%"
 649                         },
 650                         ProviderTableMeta.FILE_PATH + " ASC "
 651                 );
 652             }
 653
 654             /// 2. prepare a batch of update operations to change all the descendants
 655             ArrayList<ContentProviderOperation> operations =
 656                     new ArrayList<ContentProviderOperation>(c.getCount());
 657             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 658             List<String> originalPathsToTriggerMediaScan = new ArrayList<String>();
 659             List<String> newPathsToTriggerMediaScan = new ArrayList<String>();
 660             if (c.moveToFirst()) {
 661                 int lengthOfOldPath = file.getRemotePath().length();
 662                 int lengthOfOldStoragePath = defaultSavePath.length() + lengthOfOldPath;
 663                 do {
 664                     ContentValues cv = new ContentValues(); // keep construction in the loop
 665                     OCFile child = createFileInstance(c);
 666                     cv.put(
 667                             ProviderTableMeta.FILE_PATH,
 668                             targetPath + child.getRemotePath().substring(lengthOfOldPath)
 669                     );
 670                     if (child.getStoragePath() != null &&
 671                             child.getStoragePath().startsWith(defaultSavePath)) {
 672                         // update link to downloaded content - but local move is not done here!
 673                         String targetLocalPath = defaultSavePath + targetPath +
 674                                 child.getStoragePath().substring(lengthOfOldStoragePath);
 675
 676                         cv.put(ProviderTableMeta.FILE_STORAGE_PATH, targetLocalPath);
 677
 678                         originalPathsToTriggerMediaScan.add(child.getStoragePath());
 679                         newPathsToTriggerMediaScan.add(targetLocalPath);
 680
 681                     }
 682                     if (child.getRemotePath().equals(file.getRemotePath())) {
 683                         cv.put(
 684                                 ProviderTableMeta.FILE_PARENT,
 685                                 targetParent.getFileId()
 686                         );
 687                     }
 688                     operations.add(
 689                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 690                                     withValues(cv).
 691                                     withSelection(
 692                                             ProviderTableMeta._ID + "=?",
 693                                             new String[]{String.valueOf(child.getFileId())}
 694                                     )
 695                                     .build());
 696
 697                 } while (c.moveToNext());
 698             }
 699             c.close();
 700
 701             /// 3. apply updates in batch
 702             try {
 703                 if (getContentResolver() != null) {
 704                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 705
 706                 } else {
 707                     getContentProviderClient().applyBatch(operations);
 708                 }
 709
 710             } catch (Exception e) {
 711                 Log_OC.e(TAG, "Fail to update " + file.getFileId() + " and descendants in database", e);
 712             }
 713
 714             /// 4. move in local file system
 715             String originalLocalPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, file);
 716             String targetLocalPath = defaultSavePath + targetPath;
 717             File localFile = new File(originalLocalPath);
 718             boolean renamed = false;
 719             if (localFile.exists()) {
 720                 File targetFile = new File(targetLocalPath);
 721                 File targetFolder = targetFile.getParentFile();
 722                 if (!targetFolder.exists()) {
 723                     targetFolder.mkdirs();
 724                 }
 725                 renamed = localFile.renameTo(targetFile);
 726             }
 727
 728             if (renamed) {
 729                 Iterator<String> it = originalPathsToTriggerMediaScan.iterator();
 730                 while (it.hasNext()) {
 731                     // Notify MediaScanner about removed file
 732                     deleteFileInMediaScan(it.next());
 733                 }
 734                 it = newPathsToTriggerMediaScan.iterator();
 735                 while (it.hasNext()) {
 736                     // Notify MediaScanner about new file/folder
 737                     triggerMediaScan(it.next());
 738                 }
 739             }
 740         }
 741
 742     }
 743
 744     public void copyLocalFile(OCFile file, String targetPath) {
 745
 746         if (file != null && file.fileExists() && !OCFile.ROOT_PATH.equals(file.getFileName())) {
 747             String localPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, file);
 748             File localFile = new File(localPath);
 749             boolean copied = false;
 750             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 751             if (localFile.exists()) {
 752                 File targetFile = new File(defaultSavePath + targetPath);
 753                 File targetFolder = targetFile.getParentFile();
 754                 if (!targetFolder.exists()) {
 755                     targetFolder.mkdirs();
 756                 }
 757                 copied = copyFile(localFile, targetFile);
 758             }
 759             Log_OC.d(TAG, "Local file COPIED : " + copied);
 760         }
 761     }
 762
 763     private boolean copyFile(File src, File target) {
 764         boolean ret = true;
 765
 766         InputStream in = null;
 767         OutputStream out = null;
 768
 769         try {
 770             in = new FileInputStream(src);
 771             out = new FileOutputStream(target);
 772             byte[] buf = new byte[1024];
 773             int len;
 774             while ((len = in.read(buf)) > 0) {
 775                 out.write(buf, 0, len);
 776             }
 777         } catch (IOException ex) {
 778             ret = false;
 779         } finally {
 780             if (in != null) try {
 781                 in.close();
 782             } catch (IOException e) {
 783                 e.printStackTrace(System.err);
 784             }
 785             if (out != null) try {
 786                 out.close();
 787             } catch (IOException e) {
 788                 e.printStackTrace(System.err);
 789             }
 790         }
 791
 792         return ret;
 793     }
 794
 795
 796     private Vector<OCFile> getFolderContent(long parentId/*, boolean onlyOnDevice*/) {
 797
 798         Vector<OCFile> ret = new Vector<OCFile>();
 799
 800         Uri req_uri = Uri.withAppendedPath(
 801                 ProviderTableMeta.CONTENT_URI_DIR,
 802                 String.valueOf(parentId));
 803         Cursor c = null;
 804
 805         if (getContentProviderClient() != null) {
 806             try {
 807                 c = getContentProviderClient().query(req_uri, null,
 808                         ProviderTableMeta.FILE_PARENT + "=?",
 809                         new String[]{String.valueOf(parentId)}, null);
 810             } catch (RemoteException e) {
 811                 Log_OC.e(TAG, e.getMessage());
 812                 return ret;
 813             }
 814         } else {
 815             c = getContentResolver().query(req_uri, null,
 816                     ProviderTableMeta.FILE_PARENT + "=?",
 817                     new String[]{String.valueOf(parentId)}, null);
 818         }
 819
 820         if (c.moveToFirst()) {
 821             do {
 822                 OCFile child = createFileInstance(c);
 823                 // TODO Enable when "On Device" is recovered ?
 824                 // if (child.isFolder() || !onlyOnDevice || onlyOnDevice && child.isDown()){
 825                     ret.add(child);
 826                 // }
 827             } while (c.moveToNext());
 828         }
 829
 830         c.close();
 831
 832         Collections.sort(ret);
 833
 834         return ret;
 835     }
 836
 837
 838     private OCFile createRootDir() {
 839         OCFile file = new OCFile(OCFile.ROOT_PATH);
 840         file.setMimetype("DIR");
 841         file.setParentId(FileDataStorageManager.ROOT_PARENT_ID);
 842         saveFile(file);
 843         return file;
 844     }
 845
 846     private boolean fileExists(String cmp_key, String value) {
 847         Cursor c;
 848         if (getContentResolver() != null) {
 849             c = getContentResolver()
 850                     .query(ProviderTableMeta.CONTENT_URI,
 851                             null,
 852                             cmp_key + "=? AND "
 853                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 854                                     + "=?",
 855                             new String[]{value, mAccount.name}, null);
 856         } else {
 857             try {
 858                 c = getContentProviderClient().query(
 859                         ProviderTableMeta.CONTENT_URI,
 860                         null,
 861                         cmp_key + "=? AND "
 862                                 + ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
 863                         new String[]{value, mAccount.name}, null);
 864             } catch (RemoteException e) {
 865                 Log_OC.e(TAG,
 866                         "Couldn't determine file existance, assuming non existance: "
 867                                 + e.getMessage());
 868                 return false;
 869             }
 870         }
 871         boolean retval = c.moveToFirst();
 872         c.close();
 873         return retval;
 874     }
 875
 876     private Cursor getCursorForValue(String key, String value) {
 877         Cursor c = null;
 878         if (getContentResolver() != null) {
 879             c = getContentResolver()
 880                     .query(ProviderTableMeta.CONTENT_URI,
 881                             null,
 882                             key + "=? AND "
 883                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 884                                     + "=?",
 885                             new String[]{value, mAccount.name}, null);
 886         } else {
 887             try {
 888                 c = getContentProviderClient().query(
 889                         ProviderTableMeta.CONTENT_URI,
 890                         null,
 891                         key + "=? AND " + ProviderTableMeta.FILE_ACCOUNT_OWNER
 892                                 + "=?", new String[]{value, mAccount.name},
 893                         null);
 894             } catch (RemoteException e) {
 895                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 896                 c = null;
 897             }
 898         }
 899         return c;
 900     }
 901
 902
 903     private OCFile createFileInstance(Cursor c) {
 904         OCFile file = null;
 905         if (c != null) {
 906             file = new OCFile(c.getString(c
 907                     .getColumnIndex(ProviderTableMeta.FILE_PATH)));
 908             file.setFileId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
 909             file.setParentId(c.getLong(c
 910                     .getColumnIndex(ProviderTableMeta.FILE_PARENT)));
 911             file.setMimetype(c.getString(c
 912                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE)));
 913             if (!file.isFolder()) {
 914                 file.setStoragePath(c.getString(c
 915                         .getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH)));
 916                 if (file.getStoragePath() == null) {
 917                     // try to find existing file and bind it with current account;
 918                     // with the current update of SynchronizeFolderOperation, this won't be
 919                     // necessary anymore after a full synchronization of the account
 920                     File f = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 921                     if (f.exists()) {
 922                         file.setStoragePath(f.getAbsolutePath());
 923                         file.setLastSyncDateForData(f.lastModified());
 924                     }
 925                 }
 926             }
 927             file.setFileLength(c.getLong(c
 928                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH)));
 929             file.setCreationTimestamp(c.getLong(c
 930                     .getColumnIndex(ProviderTableMeta.FILE_CREATION)));
 931             file.setModificationTimestamp(c.getLong(c
 932                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED)));
 933             file.setModificationTimestampAtLastSyncForData(c.getLong(c
 934                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA)));
 935             file.setLastSyncDateForProperties(c.getLong(c
 936                     .getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE)));
 937             file.setLastSyncDateForData(c.getLong(c.
 938                     getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA)));
 939             file.setFavorite(c.getInt(
 940                     c.getColumnIndex(ProviderTableMeta.FILE_KEEP_IN_SYNC)) == 1 ? true : false);
 941             file.setEtag(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG)));
 942             file.setShareByLink(c.getInt(
 943                     c.getColumnIndex(ProviderTableMeta.FILE_SHARE_BY_LINK)) == 1 ? true : false);
 944             file.setPublicLink(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PUBLIC_LINK)));
 945             file.setPermissions(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PERMISSIONS)));
 946             file.setRemoteId(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_REMOTE_ID)));
 947             file.setNeedsUpdateThumbnail(c.getInt(
 948                     c.getColumnIndex(ProviderTableMeta.FILE_UPDATE_THUMBNAIL)) == 1 ? true : false);
 949             file.setDownloading(c.getInt(
 950                     c.getColumnIndex(ProviderTableMeta.FILE_IS_DOWNLOADING)) == 1 ? true : false);
 951             file.setInConflict(c.getInt(
 952                     c.getColumnIndex(ProviderTableMeta.FILE_IN_CONFLICT)) == 1 ? true : false);
 953
 954         }
 955         return file;
 956     }
 957
 958     /**
 959      * Returns if the file/folder is shared by link or not
 960      *
 961      * @param path Path of the file/folder
 962      * @return
 963      */
 964     public boolean isShareByLink(String path) {
 965         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 966         OCFile file = null;
 967         if (c.moveToFirst()) {
 968             file = createFileInstance(c);
 969         }
 970         c.close();
 971         return file.isShareByLink();
 972     }
 973
 974     /**
 975      * Returns the public link of the file/folder
 976      *
 977      * @param path Path of the file/folder
 978      * @return
 979      */
 980     public String getPublicLink(String path) {
 981         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 982         OCFile file = null;
 983         if (c.moveToFirst()) {
 984             file = createFileInstance(c);
 985         }
 986         c.close();
 987         return file.getPublicLink();
 988     }
 989
 990
 991     // Methods for Shares
 992     public boolean saveShare(OCShare share) {
 993         boolean overriden = false;
 994         ContentValues cv = new ContentValues();
 995         cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
 996         cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
 997         cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
 998         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
 999         cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1000         cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1001         cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1002         cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1003         cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1004         cv.put(
1005             ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1006             share.getSharedWithDisplayName()
1007         );
1008         cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1009         cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1010         cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1011         cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1012
1013         if (shareExists(share.getIdRemoteShared())) {           // for renamed files; no more delete and create
1014             overriden = true;
1015             if (getContentResolver() != null) {
1016                 getContentResolver().update(ProviderTableMeta.CONTENT_URI_SHARE, cv,
1017                         ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1018                         new String[]{String.valueOf(share.getIdRemoteShared())});
1019             } else {
1020                 try {
1021                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_SHARE,
1022                             cv, ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1023                             new String[]{String.valueOf(share.getIdRemoteShared())});
1024                 } catch (RemoteException e) {
1025                     Log_OC.e(TAG,
1026                             "Fail to insert insert file to database "
1027                                     + e.getMessage());
1028                 }
1029             }
1030         } else {
1031             Uri result_uri = null;
1032             if (getContentResolver() != null) {
1033                 result_uri = getContentResolver().insert(
1034                         ProviderTableMeta.CONTENT_URI_SHARE, cv);
1035             } else {
1036                 try {
1037                     result_uri = getContentProviderClient().insert(
1038                             ProviderTableMeta.CONTENT_URI_SHARE, cv);
1039                 } catch (RemoteException e) {
1040                     Log_OC.e(TAG,
1041                             "Fail to insert insert file to database "
1042                                     + e.getMessage());
1043                 }
1044             }
1045             if (result_uri != null) {
1046                 long new_id = Long.parseLong(result_uri.getPathSegments()
1047                         .get(1));
1048                 share.setId(new_id);
1049             }
1050         }
1051
1052         return overriden;
1053     }
1054
1055
1056     public OCShare getFirstShareByPathAndType(String path, ShareType type) {
1057         Cursor c = null;
1058         if (getContentResolver() != null) {
1059             c = getContentResolver().query(
1060                     ProviderTableMeta.CONTENT_URI_SHARE,
1061                     null,
1062                     ProviderTableMeta.OCSHARES_PATH + "=? AND "
1063                             + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
1064                             + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1065                     new String[]{path, Integer.toString(type.getValue()), mAccount.name},
1066                     null);
1067         } else {
1068             try {
1069                 c = getContentProviderClient().query(
1070                         ProviderTableMeta.CONTENT_URI_SHARE,
1071                         null,
1072                         ProviderTableMeta.OCSHARES_PATH + "=? AND "
1073                                 + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
1074                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1075                         new String[]{path, Integer.toString(type.getValue()), mAccount.name},
1076                         null);
1077
1078             } catch (RemoteException e) {
1079                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
1080                 c = null;
1081             }
1082         }
1083         OCShare share = null;
1084         if (c.moveToFirst()) {
1085             share = createShareInstance(c);
1086         }
1087         c.close();
1088         return share;
1089     }
1090
1091     private OCShare createShareInstance(Cursor c) {
1092         OCShare share = null;
1093         if (c != null) {
1094             share = new OCShare(c.getString(c
1095                     .getColumnIndex(ProviderTableMeta.OCSHARES_PATH)));
1096             share.setId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
1097             share.setFileSource(c.getLong(c
1098                     .getColumnIndex(ProviderTableMeta.OCSHARES_ITEM_SOURCE)));
1099             share.setShareType(ShareType.fromValue(c.getInt(c
1100                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_TYPE))));
1101             share.setPermissions(c.getInt(c
1102                     .getColumnIndex(ProviderTableMeta.OCSHARES_PERMISSIONS)));
1103             share.setSharedDate(c.getLong(c
1104                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARED_DATE)));
1105             share.setExpirationDate(c.getLong(c
1106                     .getColumnIndex(ProviderTableMeta.OCSHARES_EXPIRATION_DATE)));
1107             share.setToken(c.getString(c
1108                     .getColumnIndex(ProviderTableMeta.OCSHARES_TOKEN)));
1109             share.setSharedWithDisplayName(c.getString(c
1110                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME)));
1111             share.setIsFolder(c.getInt(
1112                     c.getColumnIndex(ProviderTableMeta.OCSHARES_IS_DIRECTORY)) == 1);
1113             share.setUserId(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_USER_ID)));
1114             share.setIdRemoteShared(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED)));
1115         }
1116         return share;
1117     }
1118
1119     private boolean shareExists(String cmp_key, String value) {
1120         Cursor c;
1121         if (getContentResolver() != null) {
1122             c = getContentResolver()
1123                     .query(ProviderTableMeta.CONTENT_URI_SHARE,
1124                             null,
1125                             cmp_key + "=? AND "
1126                                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
1127                                     + "=?",
1128                             new String[]{value, mAccount.name}, null);
1129         } else {
1130             try {
1131                 c = getContentProviderClient().query(
1132                         ProviderTableMeta.CONTENT_URI_SHARE,
1133                         null,
1134                         cmp_key + "=? AND "
1135                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1136                         new String[]{value, mAccount.name}, null);
1137             } catch (RemoteException e) {
1138                 Log_OC.e(TAG,
1139                         "Couldn't determine file existance, assuming non existance: "
1140                                 + e.getMessage());
1141                 return false;
1142             }
1143         }
1144         boolean retval = c.moveToFirst();
1145         c.close();
1146         return retval;
1147     }
1148
1149     private boolean shareExists(long remoteId) {
1150         return shareExists(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, String.valueOf(remoteId));
1151     }
1152
1153     private void cleanSharedFiles() {
1154         ContentValues cv = new ContentValues();
1155         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
1156         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1157         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?";
1158         String[] whereArgs = new String[]{mAccount.name};
1159
1160         if (getContentResolver() != null) {
1161             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1162
1163         } else {
1164             try {
1165                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1166             } catch (RemoteException e) {
1167                 Log_OC.e(TAG, "Exception in cleanSharedFiles" + e.getMessage());
1168             }
1169         }
1170     }
1171
1172     private void cleanSharedFilesInFolder(OCFile folder) {
1173         ContentValues cv = new ContentValues();
1174         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
1175         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1176         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1177                 ProviderTableMeta.FILE_PARENT + "=?";
1178         String [] whereArgs = new String[] { mAccount.name , String.valueOf(folder.getFileId()) };
1179
1180         if (getContentResolver() != null) {
1181             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1182
1183         } else {
1184             try {
1185                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1186             } catch (RemoteException e) {
1187                 Log_OC.e(TAG, "Exception in cleanSharedFilesInFolder " + e.getMessage());
1188             }
1189         }
1190     }
1191
1192     private void cleanShares() {
1193         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1194         String[] whereArgs = new String[]{mAccount.name};
1195
1196         if (getContentResolver() != null) {
1197             getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1198
1199         } else {
1200             try {
1201                 getContentProviderClient().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1202             } catch (RemoteException e) {
1203                 Log_OC.e(TAG, "Exception in cleanShares" + e.getMessage());
1204             }
1205         }
1206     }
1207
1208     public void saveShares(Collection<OCShare> shares) {
1209         cleanShares();
1210         if (shares != null) {
1211             ArrayList<ContentProviderOperation> operations =
1212                     new ArrayList<ContentProviderOperation>(shares.size());
1213
1214             // prepare operations to insert or update files to save in the given folder
1215             for (OCShare share : shares) {
1216                 ContentValues cv = new ContentValues();
1217                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1218                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1219                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1220                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1221                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1222                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1223                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1224                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1225                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1226                 cv.put(
1227                     ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1228                     share.getSharedWithDisplayName()
1229                 );
1230                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1231                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1232                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1233                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1234
1235                 if (shareExists(share.getIdRemoteShared())) {
1236                     // updating an existing file
1237                     operations.add(
1238                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1239                             withValues(cv).
1240                             withSelection(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1241                                     new String[]{String.valueOf(share.getIdRemoteShared())})
1242                             .build());
1243                 } else {
1244                     // adding a new file
1245                     operations.add(
1246                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1247                             withValues(cv).
1248                             build()
1249                     );
1250                 }
1251             }
1252
1253             // apply operations in batch
1254             if (operations.size() > 0) {
1255                 @SuppressWarnings("unused")
1256                 ContentProviderResult[] results = null;
1257                 Log_OC.d(TAG, "Sending " + operations.size() +
1258                         " operations to FileContentProvider");
1259                 try {
1260                     if (getContentResolver() != null) {
1261                         results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1262                     } else {
1263                         results = getContentProviderClient().applyBatch(operations);
1264                     }
1265
1266                 } catch (OperationApplicationException e) {
1267                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1268
1269                 } catch (RemoteException e) {
1270                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1271                 }
1272             }
1273         }
1274
1275     }
1276
1277     public void updateSharedFiles(Collection<OCFile> sharedFiles) {
1278         cleanSharedFiles();
1279
1280         if (sharedFiles != null) {
1281             ArrayList<ContentProviderOperation> operations =
1282                     new ArrayList<ContentProviderOperation>(sharedFiles.size());
1283
1284             // prepare operations to insert or update files to save in the given folder
1285             for (OCFile file : sharedFiles) {
1286                 ContentValues cv = new ContentValues();
1287                 cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
1288                 cv.put(
1289                     ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
1290                     file.getModificationTimestampAtLastSyncForData()
1291                 );
1292                 cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
1293                 cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
1294                 cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
1295                 cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
1296                 cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
1297                 cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
1298                 if (!file.isFolder()) {
1299                     cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
1300                 }
1301                 cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
1302                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
1303                 cv.put(
1304                     ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA,
1305                     file.getLastSyncDateForData()
1306                 );
1307                 cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.isFavorite() ? 1 : 0);
1308                 cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
1309                 cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
1310                 cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
1311                 cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
1312                 cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
1313                 cv.put(
1314                     ProviderTableMeta.FILE_UPDATE_THUMBNAIL,
1315                     file.needsUpdateThumbnail() ? 1 : 0
1316                 );
1317                 cv.put(
1318                         ProviderTableMeta.FILE_IS_DOWNLOADING,
1319                         file.isDownloading() ? 1 : 0
1320                 );
1321                 cv.put(
1322                         ProviderTableMeta.FILE_IN_CONFLICT,
1323                         file.isInConflict() ? 1 : 0
1324                 );
1325
1326                 boolean existsByPath = fileExists(file.getRemotePath());
1327                 if (existsByPath || fileExists(file.getFileId())) {
1328                     // updating an existing file
1329                     operations.add(
1330                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
1331                             withValues(cv).
1332                             withSelection(ProviderTableMeta._ID + "=?",
1333                                     new String[]{String.valueOf(file.getFileId())})
1334                             .build());
1335
1336                 } else {
1337                     // adding a new file
1338                     operations.add(
1339                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
1340                             withValues(cv).
1341                             build()
1342                     );
1343                 }
1344             }
1345
1346             // apply operations in batch
1347             if (operations.size() > 0) {
1348                 @SuppressWarnings("unused")
1349                 ContentProviderResult[] results = null;
1350                 Log_OC.d(TAG, "Sending " + operations.size() +
1351                         " operations to FileContentProvider");
1352                 try {
1353                     if (getContentResolver() != null) {
1354                         results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1355                     } else {
1356                         results = getContentProviderClient().applyBatch(operations);
1357                     }
1358
1359                 } catch (OperationApplicationException e) {
1360                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1361
1362                 } catch (RemoteException e) {
1363                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1364                 }
1365             }
1366         }
1367
1368     }
1369
1370     public void removeShare(OCShare share) {
1371         Uri share_uri = ProviderTableMeta.CONTENT_URI_SHARE;
1372         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?" + " AND " +
1373                 ProviderTableMeta.FILE_PATH + "=?";
1374         String [] whereArgs = new String[]{mAccount.name, share.getPath()};
1375         if (getContentProviderClient() != null) {
1376             try {
1377                 getContentProviderClient().delete(share_uri, where, whereArgs);
1378             } catch (RemoteException e) {
1379                 e.printStackTrace();
1380             }
1381         } else {
1382             getContentResolver().delete(share_uri, where, whereArgs);
1383         }
1384     }
1385
1386     public void saveSharesDB(ArrayList<OCShare> shares) {
1387         saveShares(shares);
1388
1389         ArrayList<OCFile> sharedFiles = new ArrayList<OCFile>();
1390
1391         for (OCShare share : shares) {
1392             // Get the path
1393             String path = share.getPath();
1394             if (share.isFolder()) {
1395                 path = path + FileUtils.PATH_SEPARATOR;
1396             }
1397
1398             // Update OCFile with data from share: ShareByLink  and publicLink
1399             OCFile file = getFileByPath(path);
1400             if (file != null) {
1401                 if (share.getShareType().equals(ShareType.PUBLIC_LINK)) {
1402                     file.setShareByLink(true);
1403                     sharedFiles.add(file);
1404                 }
1405             }
1406         }
1407
1408         updateSharedFiles(sharedFiles);
1409     }
1410
1411
1412     public void saveSharesInFolder(ArrayList<OCShare> shares, OCFile folder) {
1413         cleanSharedFilesInFolder(folder);
1414         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1415         operations = prepareRemoveSharesInFolder(folder, operations);
1416
1417         if (shares != null) {
1418             // prepare operations to insert or update files to save in the given folder
1419             for (OCShare share : shares) {
1420                 ContentValues cv = new ContentValues();
1421                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1422                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1423                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1424                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1425                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1426                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1427                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1428                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1429                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1430                 cv.put(
1431                     ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1432                     share.getSharedWithDisplayName()
1433                 );
1434                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1435                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1436                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1437                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1438
1439                 /*
1440                 if (shareExists(share.getIdRemoteShared())) {
1441                     // updating an existing share resource
1442                     operations.add(
1443                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1444                             withValues(cv).
1445                             withSelection(  ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1446                                     new String[] { String.valueOf(share.getIdRemoteShared()) })
1447                                     .build());
1448
1449                 } else {
1450                 */
1451                 // adding a new share resource
1452                 operations.add(
1453                         ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1454                         withValues(cv).
1455                         build()
1456                 );
1457                 //}
1458             }
1459         }
1460
1461         // apply operations in batch
1462         if (operations.size() > 0) {
1463             @SuppressWarnings("unused")
1464             ContentProviderResult[] results = null;
1465             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1466             try {
1467                 if (getContentResolver() != null) {
1468                     results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1469
1470                 } else {
1471                     results = getContentProviderClient().applyBatch(operations);
1472                 }
1473
1474             } catch (OperationApplicationException e) {
1475                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1476
1477             } catch (RemoteException e) {
1478                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1479             }
1480         }
1481         //}
1482
1483     }
1484
1485     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFolder(
1486             OCFile folder, ArrayList<ContentProviderOperation> preparedOperations) {
1487         if (folder != null) {
1488             String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND "
1489                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1490             String [] whereArgs = new String[]{ "", mAccount.name };
1491
1492             // TODO Enable when "On Device" is recovered ?
1493             Vector<OCFile> files = getFolderContent(folder /*, false*/);
1494
1495             for (OCFile file : files) {
1496                 whereArgs[0] = file.getRemotePath();
1497                 preparedOperations.add(
1498                         ContentProviderOperation.newDelete(ProviderTableMeta.CONTENT_URI_SHARE).
1499                         withSelection(where, whereArgs).
1500                         build()
1501                 );
1502             }
1503         }
1504         return preparedOperations;
1505
1506         /*
1507         if (operations.size() > 0) {
1508             try {
1509                 if (getContentResolver() != null) {
1510                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1511
1512                 } else {
1513                     getContentProviderClient().applyBatch(operations);
1514                 }
1515
1516             } catch (OperationApplicationException e) {
1517                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1518
1519             } catch (RemoteException e) {
1520                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1521             }
1522         }
1523         */
1524
1525             /*
1526             if (getContentResolver() != null) {
1527
1528                 getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE,
1529                                             where,
1530                                             whereArgs);
1531             } else {
1532                 try {
1533                     getContentProviderClient().delete(  ProviderTableMeta.CONTENT_URI_SHARE,
1534                                                         where,
1535                                                         whereArgs);
1536
1537                 } catch (RemoteException e) {
1538                     Log_OC.e(TAG, "Exception deleting shares in a folder " + e.getMessage());
1539                 }
1540             }
1541             */
1542         //}
1543     }
1544
1545     public void triggerMediaScan(String path) {
1546         Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
1547         intent.setData(Uri.fromFile(new File(path)));
1548         MainApp.getAppContext().sendBroadcast(intent);
1549     }
1550
1551     public void deleteFileInMediaScan(String path) {
1552
1553         String mimetypeString = FileStorageUtils.getMimeTypeFromName(path);
1554         ContentResolver contentResolver = getContentResolver();
1555
1556         if (contentResolver != null) {
1557             if (mimetypeString.startsWith("image/")) {
1558                 // Images
1559                 contentResolver.delete(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
1560                         MediaStore.Images.Media.DATA + "=?", new String[]{path});
1561             } else if (mimetypeString.startsWith("audio/")) {
1562                 // Audio
1563                 contentResolver.delete(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
1564                         MediaStore.Audio.Media.DATA + "=?", new String[]{path});
1565             } else if (mimetypeString.startsWith("video/")) {
1566                 // Video
1567                 contentResolver.delete(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
1568                         MediaStore.Video.Media.DATA + "=?", new String[]{path});
1569             }
1570         } else {
1571             ContentProviderClient contentProviderClient = getContentProviderClient();
1572             try {
1573                 if (mimetypeString.startsWith("image/")) {
1574                     // Images
1575                     contentProviderClient.delete(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
1576                             MediaStore.Images.Media.DATA + "=?", new String[]{path});
1577                 } else if (mimetypeString.startsWith("audio/")) {
1578                     // Audio
1579                     contentProviderClient.delete(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
1580                             MediaStore.Audio.Media.DATA + "=?", new String[]{path});
1581                 } else if (mimetypeString.startsWith("video/")) {
1582                     // Video
1583                     contentProviderClient.delete(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
1584                             MediaStore.Video.Media.DATA + "=?", new String[]{path});
1585                 }
1586             } catch (RemoteException e) {
1587                 Log_OC.e(TAG, "Exception deleting media file in MediaStore " + e.getMessage());
1588             }
1589         }
1590
1591     }
1592
1593     public void saveConflict(OCFile file, boolean inConflict) {
1594         if (!file.isDown()) {
1595             inConflict = false;
1596         }
1597         ContentValues cv = new ContentValues();
1598         cv.put(ProviderTableMeta.FILE_IN_CONFLICT, inConflict ? 1 : 0);
1599         int updated = 0;
1600         if (getContentResolver() != null) {
1601             updated = getContentResolver().update(
1602                     ProviderTableMeta.CONTENT_URI_FILE,
1603                     cv,
1604                     ProviderTableMeta._ID + "=?",
1605                     new String[] { String.valueOf(file.getFileId())}
1606             );
1607         } else {
1608             try {
1609                 updated = getContentProviderClient().update(
1610                         ProviderTableMeta.CONTENT_URI_FILE,
1611                         cv,
1612                         ProviderTableMeta._ID + "=?",
1613                         new String[]{String.valueOf(file.getFileId())}
1614                 );
1615             } catch (RemoteException e) {
1616                 Log_OC.e(TAG, "Failed saving conflict in database " + e.getMessage());
1617             }
1618         }
1619
1620         Log_OC.d(TAG, "Number of files updated with CONFLICT: " + updated);
1621
1622         if (updated > 0) {
1623             if (inConflict) {
1624                 /// set conflict in all ancestor folders
1625
1626                 long parentId = file.getParentId();
1627                 Set<String> ancestorIds = new HashSet<String>();
1628                 while (parentId != FileDataStorageManager.ROOT_PARENT_ID) {
1629                     ancestorIds.add(Long.toString(parentId));
1630                     parentId = getFileById(parentId).getParentId();
1631                 }
1632
1633                 if (ancestorIds.size() > 0) {
1634                     StringBuffer whereBuffer = new StringBuffer();
1635                     whereBuffer.append(ProviderTableMeta._ID).append(" IN (");
1636                     for (int i = 0; i < ancestorIds.size() - 1; i++) {
1637                         whereBuffer.append("?,");
1638                     }
1639                     whereBuffer.append("?");
1640                     whereBuffer.append(")");
1641
1642                     if (getContentResolver() != null) {
1643                         updated = getContentResolver().update(
1644                                 ProviderTableMeta.CONTENT_URI_FILE,
1645                                 cv,
1646                                 whereBuffer.toString(),
1647                                 ancestorIds.toArray(new String[]{})
1648                         );
1649                     } else {
1650                         try {
1651                             updated = getContentProviderClient().update(
1652                                     ProviderTableMeta.CONTENT_URI_FILE,
1653                                     cv,
1654                                     whereBuffer.toString(),
1655                                     ancestorIds.toArray(new String[]{})
1656                             );
1657                         } catch (RemoteException e) {
1658                             Log_OC.e(TAG, "Failed saving conflict in database " + e.getMessage());
1659                         }
1660                     }
1661                 } // else file is ROOT folder, no parent to set in conflict
1662
1663             } else {
1664                 /// update conflict in ancestor folders
1665                 // (not directly unset; maybe there are more conflicts below them)
1666                 String parentPath = file.getRemotePath();
1667                 if (parentPath.endsWith(OCFile.PATH_SEPARATOR)) {
1668                     parentPath = parentPath.substring(0, parentPath.length() - 1);
1669                 }
1670                 parentPath = parentPath.substring(0, parentPath.lastIndexOf(OCFile.PATH_SEPARATOR) + 1);
1671
1672                 Log_OC.d(TAG, "checking parents to remove conflict; STARTING with " + parentPath);
1673                 while (parentPath.length() > 0) {
1674
1675                     String where =
1676                             ProviderTableMeta.FILE_IN_CONFLICT + " = 1 AND " +
1677                                     ProviderTableMeta.FILE_CONTENT_TYPE + " != 'DIR' AND " +
1678                                     ProviderTableMeta.FILE_ACCOUNT_OWNER + " = ? AND " +
1679                                     ProviderTableMeta.FILE_PATH + " LIKE ?";
1680                     Cursor descendentsInConflict = getContentResolver().query(
1681                             ProviderTableMeta.CONTENT_URI_FILE,
1682                             new String[]{ProviderTableMeta._ID},
1683                             where,
1684                             new String[]{mAccount.name, parentPath + "%"},
1685                             null
1686                     );
1687                     if (descendentsInConflict == null || descendentsInConflict.getCount() == 0) {
1688                         Log_OC.d(TAG, "NO MORE conflicts in " + parentPath);
1689                         if (getContentResolver() != null) {
1690                             updated = getContentResolver().update(
1691                                     ProviderTableMeta.CONTENT_URI_FILE,
1692                                     cv,
1693                                     ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " + ProviderTableMeta.FILE_PATH + "=?",
1694                                     new String[]{mAccount.name, parentPath}
1695                             );
1696                         } else {
1697                             try {
1698                                 updated = getContentProviderClient().update(
1699                                         ProviderTableMeta.CONTENT_URI_FILE,
1700                                         cv,
1701                                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " + ProviderTableMeta.FILE_PATH + "=?"
1702                                         , new String[]{mAccount.name, parentPath}
1703                                 );
1704                             } catch (RemoteException e) {
1705                                 Log_OC.e(TAG, "Failed saving conflict in database " + e.getMessage());
1706                             }
1707                         }
1708
1709                     } else {
1710                         Log_OC.d(TAG, "STILL " + descendentsInConflict.getCount() + " in " + parentPath);
1711                     }
1712
1713                     if (descendentsInConflict != null) {
1714                         descendentsInConflict.close();
1715                     }
1716
1717                     parentPath = parentPath.substring(0, parentPath.length() - 1);  // trim last /
1718                     parentPath = parentPath.substring(0, parentPath.lastIndexOf(OCFile.PATH_SEPARATOR) + 1);
1719                     Log_OC.d(TAG, "checking parents to remove conflict; NEXT " + parentPath);
1720                 }
1721             }
1722         }
1723
1724     }
1725 }