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.lib.resources.status.CapabilityBooleanType;
  54 import com.owncloud.android.lib.resources.status.OCCapability;
  55 import com.owncloud.android.utils.FileStorageUtils;
  56
  57 import java.io.FileInputStream;
  58 import java.io.FileOutputStream;
  59 import java.io.IOException;
  60 import java.io.InputStream;
  61 import java.io.OutputStream;
  62
  63 public class FileDataStorageManager {
  64
  65     public static final int ROOT_PARENT_ID = 0;
  66
  67     private ContentResolver mContentResolver;
  68     private ContentProviderClient mContentProviderClient;
  69     private Account mAccount;
  70
  71     private static String TAG = FileDataStorageManager.class.getSimpleName();
  72
  73
  74     public FileDataStorageManager(Account account, ContentResolver cr) {
  75         mContentProviderClient = null;
  76         mContentResolver = cr;
  77         mAccount = account;
  78     }
  79
  80     public FileDataStorageManager(Account account, ContentProviderClient cp) {
  81         mContentProviderClient = cp;
  82         mContentResolver = null;
  83         mAccount = account;
  84     }
  85
  86
  87     public void setAccount(Account account) {
  88         mAccount = account;
  89     }
  90
  91     public Account getAccount() {
  92         return mAccount;
  93     }
  94
  95     public ContentResolver getContentResolver() {
  96         return mContentResolver;
  97     }
  98
  99     public ContentProviderClient getContentProviderClient() {
 100         return mContentProviderClient;
 101     }
 102
 103
 104     public OCFile getFileByPath(String path) {
 105         Cursor c = getCursorForValue(ProviderTableMeta.FILE_PATH, path);
 106         OCFile file = null;
 107         if (c.moveToFirst()) {
 108             file = createFileInstance(c);
 109         }
 110         c.close();
 111         if (file == null && OCFile.ROOT_PATH.equals(path)) {
 112             return createRootDir(); // root should always exist
 113         }
 114         return file;
 115     }
 116
 117
 118     public OCFile getFileById(long id) {
 119         Cursor c = getCursorForValue(ProviderTableMeta._ID, String.valueOf(id));
 120         OCFile file = null;
 121         if (c.moveToFirst()) {
 122             file = createFileInstance(c);
 123         }
 124         c.close();
 125         return file;
 126     }
 127
 128     public OCFile getFileByLocalPath(String path) {
 129         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 130         OCFile file = null;
 131         if (c.moveToFirst()) {
 132             file = createFileInstance(c);
 133         }
 134         c.close();
 135         return file;
 136     }
 137
 138     public boolean fileExists(long id) {
 139         return fileExists(ProviderTableMeta._ID, String.valueOf(id));
 140     }
 141
 142     public boolean fileExists(String path) {
 143         return fileExists(ProviderTableMeta.FILE_PATH, path);
 144     }
 145
 146
 147     public Vector<OCFile> getFolderContent(OCFile f, boolean onlyOnDevice) {
 148         if (f != null && f.isFolder() && f.getFileId() != -1) {
 149             return getFolderContent(f.getFileId(), onlyOnDevice);
 150
 151         } else {
 152             return new Vector<OCFile>();
 153         }
 154     }
 155
 156
 157     public Vector<OCFile> getFolderImages(OCFile folder, boolean onlyOnDevice) {
 158         Vector<OCFile> ret = new Vector<OCFile>();
 159         if (folder != null) {
 160             // TODO better implementation, filtering in the access to database instead of here
 161             Vector<OCFile> tmp = getFolderContent(folder, onlyOnDevice);
 162             OCFile current = null;
 163             for (int i=0; i<tmp.size(); i++) {
 164                 current = tmp.get(i);
 165                 if (current.isImage()) {
 166                     ret.add(current);
 167                 }
 168             }
 169         }
 170         return ret;
 171     }
 172
 173     public boolean saveFile(OCFile file) {
 174         boolean overriden = false;
 175         ContentValues cv = new ContentValues();
 176         cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 177         cv.put(
 178                 ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 179                 file.getModificationTimestampAtLastSyncForData()
 180         );
 181         cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 182         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 183         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 184         cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 185         cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 186         cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 187         if (!file.isFolder())
 188             cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 189         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 190         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 191         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 192         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.isFavorite() ? 1 : 0);
 193         cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 194         cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, file.isSharedViaLink() ? 1 : 0);
 195         cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, file.isSharedWithSharee() ? 1 : 0);
 196         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 197         cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 198         cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 199         cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
 200         cv.put(ProviderTableMeta.FILE_IS_DOWNLOADING, file.isDownloading());
 201         cv.put(ProviderTableMeta.FILE_ETAG_IN_CONFLICT, file.getEtagInConflict());
 202
 203         boolean sameRemotePath = fileExists(file.getRemotePath());
 204         if (sameRemotePath ||
 205                 fileExists(file.getFileId())) {  // for renamed files; no more delete and create
 206
 207             OCFile oldFile;
 208             if (sameRemotePath) {
 209                 oldFile = getFileByPath(file.getRemotePath());
 210                 file.setFileId(oldFile.getFileId());
 211             } else {
 212                 oldFile = getFileById(file.getFileId());
 213             }
 214
 215             overriden = true;
 216             if (getContentResolver() != null) {
 217                 getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv,
 218                         ProviderTableMeta._ID + "=?",
 219                         new String[]{String.valueOf(file.getFileId())});
 220             } else {
 221                 try {
 222                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI,
 223                             cv, ProviderTableMeta._ID + "=?",
 224                             new String[]{String.valueOf(file.getFileId())});
 225                 } catch (RemoteException e) {
 226                     Log_OC.e(TAG,
 227                             "Fail to insert insert file to database "
 228                                     + e.getMessage());
 229                 }
 230             }
 231         } else {
 232             Uri result_uri = null;
 233             if (getContentResolver() != null) {
 234                 result_uri = getContentResolver().insert(
 235                         ProviderTableMeta.CONTENT_URI_FILE, cv);
 236             } else {
 237                 try {
 238                     result_uri = getContentProviderClient().insert(
 239                             ProviderTableMeta.CONTENT_URI_FILE, cv);
 240                 } catch (RemoteException e) {
 241                     Log_OC.e(TAG,
 242                             "Fail to insert insert file to database "
 243                                     + e.getMessage());
 244                 }
 245             }
 246             if (result_uri != null) {
 247                 long new_id = Long.parseLong(result_uri.getPathSegments()
 248                         .get(1));
 249                 file.setFileId(new_id);
 250             }
 251         }
 252
 253         return overriden;
 254     }
 255
 256
 257     /**
 258      * Inserts or updates the list of files contained in a given folder.
 259      * <p/>
 260      * CALLER IS THE RESPONSIBLE FOR GRANTING RIGHT UPDATE OF INFORMATION, NOT THIS METHOD.
 261      * HERE ONLY DATA CONSISTENCY SHOULD BE GRANTED
 262      *
 263      * @param folder
 264      * @param updatedFiles
 265      * @param filesToRemove
 266      */
 267     public void saveFolder(
 268             OCFile folder, Collection<OCFile> updatedFiles, Collection<OCFile> filesToRemove
 269     ) {
 270
 271         Log_OC.d(TAG,  "Saving folder " + folder.getRemotePath() + " with " + updatedFiles.size()
 272                 + " children and " + filesToRemove.size() + " files to remove");
 273
 274         ArrayList<ContentProviderOperation> operations =
 275                 new ArrayList<ContentProviderOperation>(updatedFiles.size());
 276
 277         // prepare operations to insert or update files to save in the given folder
 278         for (OCFile file : updatedFiles) {
 279             ContentValues cv = new ContentValues();
 280             cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 281             cv.put(
 282                     ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 283                     file.getModificationTimestampAtLastSyncForData()
 284             );
 285             cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 286             cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 287             cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 288             cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 289             //cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 290             cv.put(ProviderTableMeta.FILE_PARENT, folder.getFileId());
 291             cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 292             if (!file.isFolder()) {
 293                 cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 294             }
 295             cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 296             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 297             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 298             cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.isFavorite() ? 1 : 0);
 299             cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 300             cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, file.isSharedViaLink() ? 1 : 0);
 301             cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, file.isSharedWithSharee() ? 1 : 0);
 302             cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 303             cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 304             cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 305             cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
 306             cv.put(ProviderTableMeta.FILE_IS_DOWNLOADING, file.isDownloading());
 307             cv.put(ProviderTableMeta.FILE_ETAG_IN_CONFLICT, file.getEtagInConflict());
 308
 309             boolean existsByPath = fileExists(file.getRemotePath());
 310             if (existsByPath || fileExists(file.getFileId())) {
 311                 // updating an existing file
 312                 operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 313                         withValues(cv).
 314                         withSelection(ProviderTableMeta._ID + "=?",
 315                                 new String[]{String.valueOf(file.getFileId())})
 316                         .build());
 317
 318             } else {
 319                 // adding a new file
 320                 operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
 321                         withValues(cv).build());
 322             }
 323         }
 324
 325         // prepare operations to remove files in the given folder
 326         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 327                 ProviderTableMeta.FILE_PATH + "=?";
 328         String [] whereArgs = null;
 329         for (OCFile file : filesToRemove) {
 330             if (file.getParentId() == folder.getFileId()) {
 331                 whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 332                 if (file.isFolder()) {
 333                     operations.add(ContentProviderOperation.newDelete(
 334                             ContentUris.withAppendedId(
 335                                     ProviderTableMeta.CONTENT_URI_DIR, file.getFileId()
 336                             )
 337                     ).withSelection(where, whereArgs).build());
 338
 339                     File localFolder =
 340                             new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 341                     if (localFolder.exists()) {
 342                         removeLocalFolder(localFolder);
 343                     }
 344                 } else {
 345                     operations.add(ContentProviderOperation.newDelete(
 346                             ContentUris.withAppendedId(
 347                                     ProviderTableMeta.CONTENT_URI_FILE, file.getFileId()
 348                             )
 349                     ).withSelection(where, whereArgs).build());
 350
 351                     if (file.isDown()) {
 352                         String path = file.getStoragePath();
 353                         new File(path).delete();
 354                         triggerMediaScan(path); // notify MediaScanner about removed file
 355                     }
 356                 }
 357             }
 358         }
 359
 360         // update metadata of folder
 361         ContentValues cv = new ContentValues();
 362         cv.put(ProviderTableMeta.FILE_MODIFIED, folder.getModificationTimestamp());
 363         cv.put(
 364                 ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 365                 folder.getModificationTimestampAtLastSyncForData()
 366         );
 367         cv.put(ProviderTableMeta.FILE_CREATION, folder.getCreationTimestamp());
 368         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, 0);
 369         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, folder.getMimetype());
 370         cv.put(ProviderTableMeta.FILE_NAME, folder.getFileName());
 371         cv.put(ProviderTableMeta.FILE_PARENT, folder.getParentId());
 372         cv.put(ProviderTableMeta.FILE_PATH, folder.getRemotePath());
 373         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 374         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, folder.getLastSyncDateForProperties());
 375         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, folder.getLastSyncDateForData());
 376         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, folder.isFavorite() ? 1 : 0);
 377         cv.put(ProviderTableMeta.FILE_ETAG, folder.getEtag());
 378         cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, folder.isSharedViaLink() ? 1 : 0);
 379         cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, folder.isSharedWithSharee() ? 1 : 0);
 380         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, folder.getPublicLink());
 381         cv.put(ProviderTableMeta.FILE_PERMISSIONS, folder.getPermissions());
 382         cv.put(ProviderTableMeta.FILE_REMOTE_ID, folder.getRemoteId());
 383
 384         operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 385                 withValues(cv).
 386                 withSelection(ProviderTableMeta._ID + "=?",
 387                         new String[]{String.valueOf(folder.getFileId())})
 388                 .build());
 389
 390         // apply operations in batch
 391         ContentProviderResult[] results = null;
 392         Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
 393         try {
 394             if (getContentResolver() != null) {
 395                 results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 396
 397             } else {
 398                 results = getContentProviderClient().applyBatch(operations);
 399             }
 400
 401         } catch (OperationApplicationException e) {
 402             Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
 403
 404         } catch (RemoteException e) {
 405             Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
 406         }
 407
 408         // update new id in file objects for insertions
 409         if (results != null) {
 410             long newId;
 411             Iterator<OCFile> filesIt = updatedFiles.iterator();
 412             OCFile file = null;
 413             for (int i = 0; i < results.length; i++) {
 414                 if (filesIt.hasNext()) {
 415                     file = filesIt.next();
 416                 } else {
 417                     file = null;
 418                 }
 419                 if (results[i].uri != null) {
 420                     newId = Long.parseLong(results[i].uri.getPathSegments().get(1));
 421                     //updatedFiles.get(i).setFileId(newId);
 422                     if (file != null) {
 423                         file.setFileId(newId);
 424                     }
 425                 }
 426             }
 427         }
 428
 429     }
 430
 431
 432     public boolean removeFile(OCFile file, boolean removeDBData, boolean removeLocalCopy) {
 433         boolean success = true;
 434         if (file != null) {
 435             if (file.isFolder()) {
 436                 success = removeFolder(file, removeDBData, removeLocalCopy);
 437
 438             } else {
 439                 if (removeDBData) {
 440                     //Uri file_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE,
 441                     // ""+file.getFileId());
 442                     Uri file_uri = ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_FILE,
 443                             file.getFileId());
 444                     String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 445                             ProviderTableMeta.FILE_PATH + "=?";
 446                     String[] whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 447                     int deleted = 0;
 448                     if (getContentProviderClient() != null) {
 449                         try {
 450                             deleted = getContentProviderClient().delete(file_uri, where, whereArgs);
 451                         } catch (RemoteException e) {
 452                             e.printStackTrace();
 453                         }
 454                     } else {
 455                         deleted = getContentResolver().delete(file_uri, where, whereArgs);
 456                     }
 457                     success &= (deleted > 0);
 458                 }
 459                 String localPath = file.getStoragePath();
 460                 if (removeLocalCopy && file.isDown() && localPath != null && success) {
 461                     success = new File(localPath).delete();
 462                     if (success) {
 463                         deleteFileInMediaScan(localPath);
 464                     }
 465                     if (!removeDBData && success) {
 466                         // maybe unnecessary, but should be checked TODO remove if unnecessary
 467                         file.setStoragePath(null);
 468                         saveFile(file);
 469                         saveConflict(file, null);
 470                     }
 471                 }
 472             }
 473         }
 474         return success;
 475     }
 476
 477
 478     public boolean removeFolder(OCFile folder, boolean removeDBData, boolean removeLocalContent) {
 479         boolean success = true;
 480         if (folder != null && folder.isFolder()) {
 481             if (removeDBData && folder.getFileId() != -1) {
 482                 success = removeFolderInDb(folder);
 483             }
 484             if (removeLocalContent && success) {
 485                 success = removeLocalFolder(folder);
 486             }
 487         }
 488         return success;
 489     }
 490
 491     private boolean removeFolderInDb(OCFile folder) {
 492         Uri folder_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, "" +
 493                 folder.getFileId());   // URI for recursive deletion
 494         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 495                 ProviderTableMeta.FILE_PATH + "=?";
 496         String [] whereArgs = new String[]{mAccount.name, folder.getRemotePath()};
 497         int deleted = 0;
 498         if (getContentProviderClient() != null) {
 499             try {
 500                 deleted = getContentProviderClient().delete(folder_uri, where, whereArgs);
 501             } catch (RemoteException e) {
 502                 e.printStackTrace();
 503             }
 504         } else {
 505             deleted = getContentResolver().delete(folder_uri, where, whereArgs);
 506         }
 507         return deleted > 0;
 508     }
 509
 510     private boolean removeLocalFolder(OCFile folder) {
 511         boolean success = true;
 512         String localFolderPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, folder);
 513         File localFolder = new File(localFolderPath);
 514         if (localFolder.exists()) {
 515             // stage 1: remove the local files already registered in the files database
 516             Vector<OCFile> files = getFolderContent(folder.getFileId(), false);
 517             if (files != null) {
 518                 for (OCFile file : files) {
 519                     if (file.isFolder()) {
 520                         success &= removeLocalFolder(file);
 521                     } else {
 522                         if (file.isDown()) {
 523                             File localFile = new File(file.getStoragePath());
 524                             success &= localFile.delete();
 525                             if (success) {
 526                                 // notify MediaScanner about removed file
 527                                 deleteFileInMediaScan(file.getStoragePath());
 528                                 file.setStoragePath(null);
 529                                 saveFile(file);
 530                             }
 531                         }
 532                     }
 533                 }
 534             }
 535
 536             // stage 2: remove the folder itself and any local file inside out of sync;
 537             //          for instance, after clearing the app cache or reinstalling
 538             success &= removeLocalFolder(localFolder);
 539         }
 540         return success;
 541     }
 542
 543     private boolean removeLocalFolder(File localFolder) {
 544         boolean success = true;
 545         File[] localFiles = localFolder.listFiles();
 546         if (localFiles != null) {
 547             for (File localFile : localFiles) {
 548                 if (localFile.isDirectory()) {
 549                     success &= removeLocalFolder(localFile);
 550                 } else {
 551                     String path = localFile.getAbsolutePath();
 552                     success &= localFile.delete();
 553                 }
 554             }
 555         }
 556         success &= localFolder.delete();
 557         return success;
 558     }
 559
 560
 561     /**
 562      * Updates database and file system for a file or folder that was moved to a different location.
 563      *
 564      * TODO explore better (faster) implementations
 565      * TODO throw exceptions up !
 566      */
 567     public void moveLocalFile(OCFile file, String targetPath, String targetParentPath) {
 568
 569         if (file != null && file.fileExists() && !OCFile.ROOT_PATH.equals(file.getFileName())) {
 570
 571             OCFile targetParent = getFileByPath(targetParentPath);
 572             if (targetParent == null) {
 573                 throw new IllegalStateException(
 574                         "Parent folder of the target path does not exist!!");
 575             }
 576
 577             /// 1. get all the descendants of the moved element in a single QUERY
 578             Cursor c = null;
 579             if (getContentProviderClient() != null) {
 580                 try {
 581                     c = getContentProviderClient().query(
 582                             ProviderTableMeta.CONTENT_URI,
 583                             null,
 584                             ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 585                                     ProviderTableMeta.FILE_PATH + " LIKE ? ",
 586                             new String[]{
 587                                     mAccount.name,
 588                                     file.getRemotePath() + "%"
 589                             },
 590                             ProviderTableMeta.FILE_PATH + " ASC "
 591                     );
 592                 } catch (RemoteException e) {
 593                     Log_OC.e(TAG, e.getMessage());
 594                 }
 595
 596             } else {
 597                 c = getContentResolver().query(
 598                         ProviderTableMeta.CONTENT_URI,
 599                         null,
 600                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 601                                 ProviderTableMeta.FILE_PATH + " LIKE ? ",
 602                         new String[]{
 603                                 mAccount.name,
 604                                 file.getRemotePath() + "%"
 605                         },
 606                         ProviderTableMeta.FILE_PATH + " ASC "
 607                 );
 608             }
 609
 610             /// 2. prepare a batch of update operations to change all the descendants
 611             ArrayList<ContentProviderOperation> operations =
 612                     new ArrayList<ContentProviderOperation>(c.getCount());
 613             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 614             List<String> originalPathsToTriggerMediaScan = new ArrayList<String>();
 615             List<String> newPathsToTriggerMediaScan = new ArrayList<String>();
 616             if (c.moveToFirst()) {
 617                 int lengthOfOldPath = file.getRemotePath().length();
 618                 int lengthOfOldStoragePath = defaultSavePath.length() + lengthOfOldPath;
 619                 do {
 620                     ContentValues cv = new ContentValues(); // keep construction in the loop
 621                     OCFile child = createFileInstance(c);
 622                     cv.put(
 623                             ProviderTableMeta.FILE_PATH,
 624                             targetPath + child.getRemotePath().substring(lengthOfOldPath)
 625                     );
 626                     if (child.getStoragePath() != null &&
 627                             child.getStoragePath().startsWith(defaultSavePath)) {
 628                         // update link to downloaded content - but local move is not done here!
 629                         String targetLocalPath = defaultSavePath + targetPath +
 630                                 child.getStoragePath().substring(lengthOfOldStoragePath);
 631
 632                         cv.put(ProviderTableMeta.FILE_STORAGE_PATH, targetLocalPath);
 633
 634                         originalPathsToTriggerMediaScan.add(child.getStoragePath());
 635                         newPathsToTriggerMediaScan.add(targetLocalPath);
 636
 637                     }
 638                     if (child.getRemotePath().equals(file.getRemotePath())) {
 639                         cv.put(
 640                                 ProviderTableMeta.FILE_PARENT,
 641                                 targetParent.getFileId()
 642                         );
 643                     }
 644                     operations.add(
 645                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 646                                     withValues(cv).
 647                                     withSelection(
 648                                             ProviderTableMeta._ID + "=?",
 649                                             new String[]{String.valueOf(child.getFileId())}
 650                                     )
 651                                     .build());
 652
 653                 } while (c.moveToNext());
 654             }
 655             c.close();
 656
 657             /// 3. apply updates in batch
 658             try {
 659                 if (getContentResolver() != null) {
 660                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 661
 662                 } else {
 663                     getContentProviderClient().applyBatch(operations);
 664                 }
 665
 666             } catch (Exception e) {
 667                 Log_OC.e(TAG, "Fail to update " + file.getFileId() + " and descendants in database",
 668                         e);
 669             }
 670
 671             /// 4. move in local file system
 672             String originalLocalPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, file);
 673             String targetLocalPath = defaultSavePath + targetPath;
 674             File localFile = new File(originalLocalPath);
 675             boolean renamed = false;
 676             if (localFile.exists()) {
 677                 File targetFile = new File(targetLocalPath);
 678                 File targetFolder = targetFile.getParentFile();
 679                 if (!targetFolder.exists()) {
 680                     targetFolder.mkdirs();
 681                 }
 682                 renamed = localFile.renameTo(targetFile);
 683             }
 684
 685             if (renamed) {
 686                 Iterator<String> it = originalPathsToTriggerMediaScan.iterator();
 687                 while (it.hasNext()) {
 688                     // Notify MediaScanner about removed file
 689                     deleteFileInMediaScan(it.next());
 690                 }
 691                 it = newPathsToTriggerMediaScan.iterator();
 692                 while (it.hasNext()) {
 693                     // Notify MediaScanner about new file/folder
 694                     triggerMediaScan(it.next());
 695                 }
 696             }
 697         }
 698
 699     }
 700
 701     public void copyLocalFile(OCFile file, String targetPath) {
 702
 703         if (file != null && file.fileExists() && !OCFile.ROOT_PATH.equals(file.getFileName())) {
 704             String localPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, file);
 705             File localFile = new File(localPath);
 706             boolean copied = false;
 707             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 708             if (localFile.exists()) {
 709                 File targetFile = new File(defaultSavePath + targetPath);
 710                 File targetFolder = targetFile.getParentFile();
 711                 if (!targetFolder.exists()) {
 712                     targetFolder.mkdirs();
 713                 }
 714                 copied = copyFile(localFile, targetFile);
 715             }
 716             Log_OC.d(TAG, "Local file COPIED : " + copied);
 717         }
 718     }
 719
 720     private boolean copyFile(File src, File target) {
 721         boolean ret = true;
 722
 723         InputStream in = null;
 724         OutputStream out = null;
 725
 726         try {
 727             in = new FileInputStream(src);
 728             out = new FileOutputStream(target);
 729             byte[] buf = new byte[1024];
 730             int len;
 731             while ((len = in.read(buf)) > 0) {
 732                 out.write(buf, 0, len);
 733             }
 734         } catch (IOException ex) {
 735             ret = false;
 736         } finally {
 737             if (in != null) try {
 738                 in.close();
 739             } catch (IOException e) {
 740                 e.printStackTrace(System.err);
 741             }
 742             if (out != null) try {
 743                 out.close();
 744             } catch (IOException e) {
 745                 e.printStackTrace(System.err);
 746             }
 747         }
 748
 749         return ret;
 750     }
 751
 752
 753     private Vector<OCFile> getFolderContent(long parentId, boolean onlyOnDevice) {
 754
 755         Vector<OCFile> ret = new Vector<OCFile>();
 756
 757         Uri req_uri = Uri.withAppendedPath(
 758                 ProviderTableMeta.CONTENT_URI_DIR,
 759                 String.valueOf(parentId));
 760         Cursor c = null;
 761
 762         if (getContentProviderClient() != null) {
 763             try {
 764                 c = getContentProviderClient().query(req_uri, null,
 765                         ProviderTableMeta.FILE_PARENT + "=?",
 766                         new String[]{String.valueOf(parentId)}, null);
 767             } catch (RemoteException e) {
 768                 Log_OC.e(TAG, e.getMessage());
 769                 return ret;
 770             }
 771         } else {
 772             c = getContentResolver().query(req_uri, null,
 773                     ProviderTableMeta.FILE_PARENT + "=?",
 774                     new String[]{String.valueOf(parentId)}, null);
 775         }
 776
 777         if (c.moveToFirst()) {
 778             do {
 779                 OCFile child = createFileInstance(c);
 780                  if (child.isFolder() || !onlyOnDevice || onlyOnDevice && child.isDown()){
 781                     ret.add(child);
 782                  }
 783             } while (c.moveToNext());
 784         }
 785
 786         c.close();
 787
 788         Collections.sort(ret);
 789
 790         return ret;
 791     }
 792
 793
 794     private OCFile createRootDir() {
 795         OCFile file = new OCFile(OCFile.ROOT_PATH);
 796         file.setMimetype("DIR");
 797         file.setParentId(FileDataStorageManager.ROOT_PARENT_ID);
 798         saveFile(file);
 799         return file;
 800     }
 801
 802     private boolean fileExists(String cmp_key, String value) {
 803         Cursor c;
 804         if (getContentResolver() != null) {
 805             c = getContentResolver()
 806                     .query(ProviderTableMeta.CONTENT_URI,
 807                             null,
 808                             cmp_key + "=? AND "
 809                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 810                                     + "=?",
 811                             new String[]{value, mAccount.name}, null);
 812         } else {
 813             try {
 814                 c = getContentProviderClient().query(
 815                         ProviderTableMeta.CONTENT_URI,
 816                         null,
 817                         cmp_key + "=? AND "
 818                                 + ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
 819                         new String[]{value, mAccount.name}, null);
 820             } catch (RemoteException e) {
 821                 Log_OC.e(TAG,
 822                         "Couldn't determine file existance, assuming non existance: "
 823                                 + e.getMessage());
 824                 return false;
 825             }
 826         }
 827         boolean retval = c.moveToFirst();
 828         c.close();
 829         return retval;
 830     }
 831
 832     private Cursor getCursorForValue(String key, String value) {
 833         Cursor c = null;
 834         if (getContentResolver() != null) {
 835             c = getContentResolver()
 836                     .query(ProviderTableMeta.CONTENT_URI,
 837                             null,
 838                             key + "=? AND "
 839                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 840                                     + "=?",
 841                             new String[]{value, mAccount.name}, null);
 842         } else {
 843             try {
 844                 c = getContentProviderClient().query(
 845                         ProviderTableMeta.CONTENT_URI,
 846                         null,
 847                         key + "=? AND " + ProviderTableMeta.FILE_ACCOUNT_OWNER
 848                                 + "=?", new String[]{value, mAccount.name},
 849                         null);
 850             } catch (RemoteException e) {
 851                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 852                 c = null;
 853             }
 854         }
 855         return c;
 856     }
 857
 858
 859     private OCFile createFileInstance(Cursor c) {
 860         OCFile file = null;
 861         if (c != null) {
 862             file = new OCFile(c.getString(c
 863                     .getColumnIndex(ProviderTableMeta.FILE_PATH)));
 864             file.setFileId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
 865             file.setParentId(c.getLong(c
 866                     .getColumnIndex(ProviderTableMeta.FILE_PARENT)));
 867             file.setMimetype(c.getString(c
 868                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE)));
 869             if (!file.isFolder()) {
 870                 file.setStoragePath(c.getString(c
 871                         .getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH)));
 872                 if (file.getStoragePath() == null) {
 873                     // try to find existing file and bind it with current account;
 874                     // with the current update of SynchronizeFolderOperation, this won't be
 875                     // necessary anymore after a full synchronization of the account
 876                     File f = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 877                     if (f.exists()) {
 878                         file.setStoragePath(f.getAbsolutePath());
 879                         file.setLastSyncDateForData(f.lastModified());
 880                     }
 881                 }
 882             }
 883             file.setFileLength(c.getLong(c
 884                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH)));
 885             file.setCreationTimestamp(c.getLong(c
 886                     .getColumnIndex(ProviderTableMeta.FILE_CREATION)));
 887             file.setModificationTimestamp(c.getLong(c
 888                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED)));
 889             file.setModificationTimestampAtLastSyncForData(c.getLong(c
 890                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA)));
 891             file.setLastSyncDateForProperties(c.getLong(c
 892                     .getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE)));
 893             file.setLastSyncDateForData(c.getLong(c.
 894                     getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA)));
 895             file.setFavorite(c.getInt(
 896                     c.getColumnIndex(ProviderTableMeta.FILE_KEEP_IN_SYNC)) == 1 ? true : false);
 897             file.setEtag(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG)));
 898             file.setShareViaLink(c.getInt(
 899                     c.getColumnIndex(ProviderTableMeta.FILE_SHARED_VIA_LINK)) == 1 ? true : false);
 900             file.setShareWithSharee(c.getInt(
 901                     c.getColumnIndex(ProviderTableMeta.FILE_SHARED_WITH_SHAREE)) == 1 ? true : false);
 902             file.setPublicLink(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PUBLIC_LINK)));
 903             file.setPermissions(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PERMISSIONS)));
 904             file.setRemoteId(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_REMOTE_ID)));
 905             file.setNeedsUpdateThumbnail(c.getInt(
 906                     c.getColumnIndex(ProviderTableMeta.FILE_UPDATE_THUMBNAIL)) == 1 ? true : false);
 907             file.setDownloading(c.getInt(
 908                     c.getColumnIndex(ProviderTableMeta.FILE_IS_DOWNLOADING)) == 1 ? true : false);
 909             file.setEtagInConflict(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG_IN_CONFLICT)));
 910
 911         }
 912         return file;
 913     }
 914
 915     // Methods for Shares
 916     public boolean saveShare(OCShare share) {
 917         boolean overriden = false;
 918         ContentValues cv = new ContentValues();
 919         cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
 920         cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
 921         cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
 922         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
 923         cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
 924         cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
 925         cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
 926         cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
 927         cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
 928         cv.put(
 929                 ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
 930                 share.getSharedWithDisplayName()
 931         );
 932         cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
 933         cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
 934         cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
 935         cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
 936
 937         if (shareExists(share.getIdRemoteShared())) {// for renamed files; no more delete and create
 938             overriden = true;
 939             if (getContentResolver() != null) {
 940                 getContentResolver().update(ProviderTableMeta.CONTENT_URI_SHARE, cv,
 941                         ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 942                         new String[]{String.valueOf(share.getIdRemoteShared())});
 943             } else {
 944                 try {
 945                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_SHARE,
 946                             cv, ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 947                             new String[]{String.valueOf(share.getIdRemoteShared())});
 948                 } catch (RemoteException e) {
 949                     Log_OC.e(TAG,
 950                             "Fail to insert insert file to database "
 951                                     + e.getMessage());
 952                 }
 953             }
 954         } else {
 955             Uri result_uri = null;
 956             if (getContentResolver() != null) {
 957                 result_uri = getContentResolver().insert(
 958                         ProviderTableMeta.CONTENT_URI_SHARE, cv);
 959             } else {
 960                 try {
 961                     result_uri = getContentProviderClient().insert(
 962                             ProviderTableMeta.CONTENT_URI_SHARE, cv);
 963                 } catch (RemoteException e) {
 964                     Log_OC.e(TAG,
 965                             "Fail to insert insert file to database "
 966                                     + e.getMessage());
 967                 }
 968             }
 969             if (result_uri != null) {
 970                 long new_id = Long.parseLong(result_uri.getPathSegments()
 971                         .get(1));
 972                 share.setId(new_id);
 973             }
 974         }
 975
 976         return overriden;
 977     }
 978
 979
 980     public OCShare getFirstShareByPathAndType(String path, ShareType type, String shareWith) {
 981         Cursor c = null;
 982
 983         String selection = ProviderTableMeta.OCSHARES_PATH + "=? AND "
 984                 + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
 985                 + ProviderTableMeta.OCSHARES_SHARE_WITH + "=? AND "
 986                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?" ;
 987
 988         String [] selectionArgs =  new String[]{path, Integer.toString(type.getValue()),
 989                 shareWith, mAccount.name};
 990
 991         if (getContentResolver() != null) {
 992             c = getContentResolver().query(
 993                     ProviderTableMeta.CONTENT_URI_SHARE,
 994                     null,
 995                     selection, selectionArgs,
 996                     null);
 997         } else {
 998             try {
 999                 c = getContentProviderClient().query(
1000                         ProviderTableMeta.CONTENT_URI_SHARE,
1001                         null,
1002                         selection, selectionArgs,
1003                         null);
1004
1005             } catch (RemoteException e) {
1006                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
1007                 c = null;
1008             }
1009         }
1010         OCShare share = null;
1011         if (c.moveToFirst()) {
1012             share = createShareInstance(c);
1013         }
1014         c.close();
1015         return share;
1016     }
1017
1018     private OCShare createShareInstance(Cursor c) {
1019         OCShare share = null;
1020         if (c != null) {
1021             share = new OCShare(c.getString(c
1022                     .getColumnIndex(ProviderTableMeta.OCSHARES_PATH)));
1023             share.setId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
1024             share.setFileSource(c.getLong(c
1025                     .getColumnIndex(ProviderTableMeta.OCSHARES_ITEM_SOURCE)));
1026             share.setShareType(ShareType.fromValue(c.getInt(c
1027                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_TYPE))));
1028             share.setShareWith(c.getString(c
1029                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_WITH)));
1030             share.setPermissions(c.getInt(c
1031                     .getColumnIndex(ProviderTableMeta.OCSHARES_PERMISSIONS)));
1032             share.setSharedDate(c.getLong(c
1033                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARED_DATE)));
1034             share.setExpirationDate(c.getLong(c
1035                     .getColumnIndex(ProviderTableMeta.OCSHARES_EXPIRATION_DATE)));
1036             share.setToken(c.getString(c
1037                     .getColumnIndex(ProviderTableMeta.OCSHARES_TOKEN)));
1038             share.setSharedWithDisplayName(c.getString(c
1039                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME)));
1040             share.setIsFolder(c.getInt(
1041                     c.getColumnIndex(ProviderTableMeta.OCSHARES_IS_DIRECTORY)) == 1);
1042             share.setUserId(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_USER_ID)));
1043             share.setIdRemoteShared(c.getLong(
1044                     c.getColumnIndex(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED)));
1045         }
1046         return share;
1047     }
1048
1049     private boolean shareExists(String cmp_key, String value) {
1050         Cursor c;
1051         if (getContentResolver() != null) {
1052             c = getContentResolver()
1053                     .query(ProviderTableMeta.CONTENT_URI_SHARE,
1054                             null,
1055                             cmp_key + "=? AND "
1056                                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
1057                                     + "=?",
1058                             new String[]{value, mAccount.name}, null);
1059         } else {
1060             try {
1061                 c = getContentProviderClient().query(
1062                         ProviderTableMeta.CONTENT_URI_SHARE,
1063                         null,
1064                         cmp_key + "=? AND "
1065                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1066                         new String[]{value, mAccount.name}, null);
1067             } catch (RemoteException e) {
1068                 Log_OC.e(TAG,
1069                         "Couldn't determine file existance, assuming non existance: "
1070                                 + e.getMessage());
1071                 return false;
1072             }
1073         }
1074         boolean retval = c.moveToFirst();
1075         c.close();
1076         return retval;
1077     }
1078
1079     private boolean shareExists(long remoteId) {
1080         return shareExists(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, String.valueOf(remoteId));
1081     }
1082
1083     private void resetShareFlagsInAllFiles() {
1084         ContentValues cv = new ContentValues();
1085         cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, false);
1086         cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, false);
1087         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1088         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?";
1089         String[] whereArgs = new String[]{mAccount.name};
1090
1091         if (getContentResolver() != null) {
1092             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1093
1094         } else {
1095             try {
1096                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where,
1097                         whereArgs);
1098             } catch (RemoteException e) {
1099                 Log_OC.e(TAG, "Exception in resetShareFlagsInAllFiles" + e.getMessage());
1100             }
1101         }
1102     }
1103
1104     private void resetShareFlagsInFolder(OCFile folder) {
1105         ContentValues cv = new ContentValues();
1106         cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, false);
1107         cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, false);
1108         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1109         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1110                 ProviderTableMeta.FILE_PARENT + "=?";
1111         String [] whereArgs = new String[] { mAccount.name , String.valueOf(folder.getFileId()) };
1112
1113         if (getContentResolver() != null) {
1114             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1115
1116         } else {
1117             try {
1118                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where,
1119                         whereArgs);
1120             } catch (RemoteException e) {
1121                 Log_OC.e(TAG, "Exception in resetShareFlagsInFolder " + e.getMessage());
1122             }
1123         }
1124     }
1125
1126     private void resetShareFlagInAFile(String filePath){
1127         ContentValues cv = new ContentValues();
1128         cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, false);
1129         cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, false);
1130         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1131         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1132                 ProviderTableMeta.FILE_PATH+ "=?";
1133         String [] whereArgs = new String[] { mAccount.name , filePath };
1134
1135         if (getContentResolver() != null) {
1136             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1137
1138         } else {
1139             try {
1140                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where,
1141                         whereArgs);
1142             } catch (RemoteException e) {
1143                 Log_OC.e(TAG, "Exception in resetShareFlagsInFolder " + e.getMessage());
1144             }
1145         }
1146     }
1147
1148     private void cleanShares() {
1149         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1150         String[] whereArgs = new String[]{mAccount.name};
1151
1152         if (getContentResolver() != null) {
1153             getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1154
1155         } else {
1156             try {
1157                 getContentProviderClient().delete(ProviderTableMeta.CONTENT_URI_SHARE, where,
1158                         whereArgs);
1159             } catch (RemoteException e) {
1160                 Log_OC.e(TAG, "Exception in cleanShares" + e.getMessage());
1161             }
1162         }
1163     }
1164
1165     public void saveShares(Collection<OCShare> shares) {
1166         cleanShares();
1167         if (shares != null) {
1168             ArrayList<ContentProviderOperation> operations =
1169                     new ArrayList<ContentProviderOperation>(shares.size());
1170
1171             // prepare operations to insert or update files to save in the given folder
1172             for (OCShare share : shares) {
1173                 ContentValues cv = new ContentValues();
1174                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1175                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1176                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1177                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1178                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1179                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1180                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1181                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1182                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1183                 cv.put(
1184                         ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1185                         share.getSharedWithDisplayName()
1186                 );
1187                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1188                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1189                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1190                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1191
1192                 if (shareExists(share.getIdRemoteShared())) {
1193                     // updating an existing file
1194                     operations.add(
1195                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1196                                     withValues(cv).
1197                                     withSelection(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1198                                             new String[]{String.valueOf(share.getIdRemoteShared())})
1199                                     .build());
1200                 } else {
1201                     // adding a new file
1202                     operations.add(
1203                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1204                                     withValues(cv).
1205                                     build()
1206                     );
1207                 }
1208             }
1209
1210             // apply operations in batch
1211             if (operations.size() > 0) {
1212                 @SuppressWarnings("unused")
1213                 ContentProviderResult[] results = null;
1214                 Log_OC.d(TAG, "Sending " + operations.size() +
1215                         " operations to FileContentProvider");
1216                 try {
1217                     if (getContentResolver() != null) {
1218                         results = getContentResolver().applyBatch(MainApp.getAuthority(),
1219                                 operations);
1220                     } else {
1221                         results = getContentProviderClient().applyBatch(operations);
1222                     }
1223
1224                 } catch (OperationApplicationException e) {
1225                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1226
1227                 } catch (RemoteException e) {
1228                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1229                 }
1230             }
1231         }
1232
1233     }
1234
1235     public void updateSharedFiles(Collection<OCFile> sharedFiles) {
1236         resetShareFlagsInAllFiles();
1237
1238         if (sharedFiles != null) {
1239             ArrayList<ContentProviderOperation> operations =
1240                     new ArrayList<ContentProviderOperation>(sharedFiles.size());
1241
1242             // prepare operations to insert or update files to save in the given folder
1243             for (OCFile file : sharedFiles) {
1244                 ContentValues cv = new ContentValues();
1245                 cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
1246                 cv.put(
1247                         ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
1248                         file.getModificationTimestampAtLastSyncForData()
1249                 );
1250                 cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
1251                 cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
1252                 cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
1253                 cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
1254                 cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
1255                 cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
1256                 if (!file.isFolder()) {
1257                     cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
1258                 }
1259                 cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
1260                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
1261                 cv.put(
1262                         ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA,
1263                         file.getLastSyncDateForData()
1264                 );
1265                 cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.isFavorite() ? 1 : 0);
1266                 cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
1267                 cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, file.isSharedViaLink() ? 1 : 0);
1268                 cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, file.isSharedWithSharee() ? 1 : 0);
1269                 cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
1270                 cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
1271                 cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
1272                 cv.put(
1273                         ProviderTableMeta.FILE_UPDATE_THUMBNAIL,
1274                         file.needsUpdateThumbnail() ? 1 : 0
1275                 );
1276                 cv.put(
1277                         ProviderTableMeta.FILE_IS_DOWNLOADING,
1278                         file.isDownloading() ? 1 : 0
1279                 );
1280                 cv.put(ProviderTableMeta.FILE_ETAG_IN_CONFLICT, file.getEtagInConflict());
1281
1282                 boolean existsByPath = fileExists(file.getRemotePath());
1283                 if (existsByPath || fileExists(file.getFileId())) {
1284                     // updating an existing file
1285                     operations.add(
1286                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
1287                                     withValues(cv).
1288                                     withSelection(ProviderTableMeta._ID + "=?",
1289                                             new String[]{String.valueOf(file.getFileId())})
1290                                     .build());
1291
1292                 } else {
1293                     // adding a new file
1294                     operations.add(
1295                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
1296                                     withValues(cv).
1297                                     build()
1298                     );
1299                 }
1300             }
1301
1302             // apply operations in batch
1303             if (operations.size() > 0) {
1304                 @SuppressWarnings("unused")
1305                 ContentProviderResult[] results = null;
1306                 Log_OC.d(TAG, "Sending " + operations.size() +
1307                         " operations to FileContentProvider");
1308                 try {
1309                     if (getContentResolver() != null) {
1310                         results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1311                     } else {
1312                         results = getContentProviderClient().applyBatch(operations);
1313                     }
1314
1315                 } catch (OperationApplicationException e) {
1316                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1317
1318                 } catch (RemoteException e) {
1319                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1320                 }
1321             }
1322         }
1323
1324     }
1325
1326     public void removeShare(OCShare share) {
1327         Uri share_uri = ProviderTableMeta.CONTENT_URI_SHARE;
1328         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?" + " AND " +
1329                 ProviderTableMeta._ID + "=?";
1330         String [] whereArgs = new String[]{mAccount.name, Long.toString(share.getId())};
1331         if (getContentProviderClient() != null) {
1332             try {
1333                 getContentProviderClient().delete(share_uri, where, whereArgs);
1334             } catch (RemoteException e) {
1335                 e.printStackTrace();
1336             }
1337         } else {
1338             getContentResolver().delete(share_uri, where, whereArgs);
1339         }
1340     }
1341
1342     public void saveSharesDB(ArrayList<OCShare> shares) {
1343         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1344
1345         // Reset flags & Remove shares for this files
1346         String filePath = "";
1347         for (OCShare share: shares) {
1348             if (filePath != share.getPath()){
1349                 filePath = share.getPath();
1350                 resetShareFlagInAFile(filePath);
1351                 operations = prepareRemoveSharesInFile(filePath, operations);
1352             }
1353         }
1354
1355        // Add operations to insert shares
1356        operations = prepareInsertShares(shares, operations);
1357
1358         // apply operations in batch
1359         if (operations.size() > 0) {
1360             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1361             try {
1362                 if (getContentResolver() != null) {
1363                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1364
1365                 } else {
1366                     getContentProviderClient().applyBatch(operations);
1367                 }
1368
1369             } catch (OperationApplicationException e) {
1370                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1371
1372             } catch (RemoteException e) {
1373                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1374             }
1375         }
1376
1377 //        // TODO: review if it is needed
1378 //        // Update shared files
1379 //        ArrayList<OCFile> sharedFiles = new ArrayList<OCFile>();
1380 //
1381 //        for (OCShare share : shares) {
1382 //            // Get the path
1383 //            String path = share.getPath();
1384 //            if (share.isFolder()) {
1385 //                path = path + FileUtils.PATH_SEPARATOR;
1386 //            }
1387 //
1388 //            // Update OCFile with data from share: ShareByLink, publicLink and
1389 //            OCFile file = getFileByPath(path);
1390 //            if (file != null) {
1391 //                if (share.getShareType().equals(ShareType.PUBLIC_LINK)) {
1392 //                    file.setShareViaLink(true);
1393 //                    sharedFiles.add(file);
1394 //                }
1395 //            }
1396 //        }
1397 //
1398 //        // TODO: Review
1399 //        updateSharedFiles(sharedFiles);
1400     }
1401
1402
1403     public void saveSharesInFolder(ArrayList<OCShare> shares, OCFile folder) {
1404         resetShareFlagsInFolder(folder);
1405         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1406         operations = prepareRemoveSharesInFolder(folder, operations);
1407
1408         if (shares != null) {
1409             // prepare operations to insert or update files to save in the given folder
1410             operations = prepareInsertShares(shares, operations);
1411         }
1412
1413         // apply operations in batch
1414         if (operations.size() > 0) {
1415             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1416             try {
1417                 if (getContentResolver() != null) {
1418                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1419
1420                 } else {
1421                     getContentProviderClient().applyBatch(operations);
1422                 }
1423
1424             } catch (OperationApplicationException e) {
1425                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1426
1427             } catch (RemoteException e) {
1428
1429             }
1430         }
1431
1432     }
1433
1434     /**
1435      * Prepare operations to insert or update files to save in the given folder
1436      * @param shares        List of shares to insert
1437      * @param operations    List of operations
1438      * @return
1439      */
1440     private ArrayList<ContentProviderOperation> prepareInsertShares(
1441             ArrayList<OCShare> shares, ArrayList<ContentProviderOperation> operations) {
1442
1443         if (shares != null) {
1444             // prepare operations to insert or update files to save in the given folder
1445             for (OCShare share : shares) {
1446                 ContentValues cv = new ContentValues();
1447                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1448                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1449                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1450                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1451                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1452                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1453                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1454                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1455                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1456                 cv.put(
1457                         ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1458                         share.getSharedWithDisplayName()
1459                 );
1460                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1461                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1462                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1463                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1464
1465                 // adding a new share resource
1466                 operations.add(
1467                         ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1468                                 withValues(cv).
1469                                 build()
1470                 );
1471             }
1472         }
1473         return operations;
1474     }
1475
1476     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFolder(
1477             OCFile folder, ArrayList<ContentProviderOperation> preparedOperations) {
1478         if (folder != null) {
1479             String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND "
1480                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1481             String [] whereArgs = new String[]{ "", mAccount.name };
1482
1483             Vector<OCFile> files = getFolderContent(folder, false);
1484
1485             for (OCFile file : files) {
1486                 whereArgs[0] = file.getRemotePath();
1487                 preparedOperations.add(
1488                         ContentProviderOperation.newDelete(ProviderTableMeta.CONTENT_URI_SHARE).
1489                                 withSelection(where, whereArgs).
1490                                 build()
1491                 );
1492             }
1493         }
1494         return preparedOperations;
1495
1496     }
1497
1498     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFile(
1499             String filePath, ArrayList<ContentProviderOperation> preparedOperations) {
1500
1501         String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND "
1502                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1503         String[] whereArgs = new String[]{filePath, mAccount.name};
1504
1505         preparedOperations.add(
1506                 ContentProviderOperation.newDelete(ProviderTableMeta.CONTENT_URI_SHARE).
1507                         withSelection(where, whereArgs).
1508                         build()
1509         );
1510
1511         return preparedOperations;
1512
1513     }
1514
1515     public ArrayList<OCShare> getSharesWithForAFile(String filePath, String accountName){
1516         // Condition
1517         String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND "
1518                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?"+ "AND"
1519                 + " (" + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? OR "
1520                 + ProviderTableMeta.OCSHARES_SHARE_TYPE +  "=? ) ";
1521         String [] whereArgs = new String[]{ filePath, accountName ,
1522                 Integer.toString(ShareType.USER.getValue()),
1523                 Integer.toString(ShareType.GROUP.getValue()) };
1524
1525         Cursor c = null;
1526         if (getContentResolver() != null) {
1527             c = getContentResolver().query(
1528                     ProviderTableMeta.CONTENT_URI_SHARE,
1529                     null, where, whereArgs, null);
1530         } else {
1531             try {
1532                 c = getContentProviderClient().query(
1533                         ProviderTableMeta.CONTENT_URI_SHARE,
1534                         null, where, whereArgs, null);
1535
1536             } catch (RemoteException e) {
1537                 Log_OC.e(TAG, "Could not get list of shares with: " + e.getMessage());
1538                 c = null;
1539             }
1540         }
1541         ArrayList<OCShare> shares = new ArrayList<OCShare>();
1542         OCShare share = null;
1543         if (c.moveToFirst()) {
1544             do {
1545                 share = createShareInstance(c);
1546                 shares.add(share);
1547                 // }
1548             } while (c.moveToNext());
1549         }
1550         c.close();
1551
1552         return shares;
1553     }
1554
1555     public static void triggerMediaScan(String path) {
1556         Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
1557         intent.setData(Uri.fromFile(new File(path)));
1558         MainApp.getAppContext().sendBroadcast(intent);
1559     }
1560
1561     public void deleteFileInMediaScan(String path) {
1562
1563         String mimetypeString = FileStorageUtils.getMimeTypeFromName(path);
1564         ContentResolver contentResolver = getContentResolver();
1565
1566         if (contentResolver != null) {
1567             if (mimetypeString.startsWith("image/")) {
1568                 // Images
1569                 contentResolver.delete(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
1570                         MediaStore.Images.Media.DATA + "=?", new String[]{path});
1571             } else if (mimetypeString.startsWith("audio/")) {
1572                 // Audio
1573                 contentResolver.delete(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
1574                         MediaStore.Audio.Media.DATA + "=?", new String[]{path});
1575             } else if (mimetypeString.startsWith("video/")) {
1576                 // Video
1577                 contentResolver.delete(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
1578                         MediaStore.Video.Media.DATA + "=?", new String[]{path});
1579             }
1580         } else {
1581             ContentProviderClient contentProviderClient = getContentProviderClient();
1582             try {
1583                 if (mimetypeString.startsWith("image/")) {
1584                     // Images
1585                     contentProviderClient.delete(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
1586                             MediaStore.Images.Media.DATA + "=?", new String[]{path});
1587                 } else if (mimetypeString.startsWith("audio/")) {
1588                     // Audio
1589                     contentProviderClient.delete(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
1590                             MediaStore.Audio.Media.DATA + "=?", new String[]{path});
1591                 } else if (mimetypeString.startsWith("video/")) {
1592                     // Video
1593                     contentProviderClient.delete(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
1594                             MediaStore.Video.Media.DATA + "=?", new String[]{path});
1595                 }
1596             } catch (RemoteException e) {
1597                 Log_OC.e(TAG, "Exception deleting media file in MediaStore " + e.getMessage());
1598             }
1599         }
1600
1601     }
1602
1603     public void saveConflict(OCFile file, String etagInConflict) {
1604         if (!file.isDown()) {
1605             etagInConflict = null;
1606         }
1607         ContentValues cv = new ContentValues();
1608         cv.put(ProviderTableMeta.FILE_ETAG_IN_CONFLICT, etagInConflict);
1609         int updated = 0;
1610         if (getContentResolver() != null) {
1611             updated = getContentResolver().update(
1612                     ProviderTableMeta.CONTENT_URI_FILE,
1613                     cv,
1614                     ProviderTableMeta._ID + "=?",
1615                     new String[] { String.valueOf(file.getFileId())}
1616             );
1617         } else {
1618             try {
1619                 updated = getContentProviderClient().update(
1620                         ProviderTableMeta.CONTENT_URI_FILE,
1621                         cv,
1622                         ProviderTableMeta._ID + "=?",
1623                         new String[]{String.valueOf(file.getFileId())}
1624                 );
1625             } catch (RemoteException e) {
1626                 Log_OC.e(TAG, "Failed saving conflict in database " + e.getMessage());
1627             }
1628         }
1629
1630         Log_OC.d(TAG, "Number of files updated with CONFLICT: " + updated);
1631
1632         if (updated > 0) {
1633             if (etagInConflict != null) {
1634                 /// set conflict in all ancestor folders
1635
1636                 long parentId = file.getParentId();
1637                 Set<String> ancestorIds = new HashSet<String>();
1638                 while (parentId != FileDataStorageManager.ROOT_PARENT_ID) {
1639                     ancestorIds.add(Long.toString(parentId));
1640                     parentId = getFileById(parentId).getParentId();
1641                 }
1642
1643                 if (ancestorIds.size() > 0) {
1644                     StringBuffer whereBuffer = new StringBuffer();
1645                     whereBuffer.append(ProviderTableMeta._ID).append(" IN (");
1646                     for (int i = 0; i < ancestorIds.size() - 1; i++) {
1647                         whereBuffer.append("?,");
1648                     }
1649                     whereBuffer.append("?");
1650                     whereBuffer.append(")");
1651
1652                     if (getContentResolver() != null) {
1653                         updated = getContentResolver().update(
1654                                 ProviderTableMeta.CONTENT_URI_FILE,
1655                                 cv,
1656                                 whereBuffer.toString(),
1657                                 ancestorIds.toArray(new String[]{})
1658                         );
1659                     } else {
1660                         try {
1661                             updated = getContentProviderClient().update(
1662                                     ProviderTableMeta.CONTENT_URI_FILE,
1663                                     cv,
1664                                     whereBuffer.toString(),
1665                                     ancestorIds.toArray(new String[]{})
1666                             );
1667                         } catch (RemoteException e) {
1668                             Log_OC.e(TAG, "Failed saving conflict in database " + e.getMessage());
1669                         }
1670                     }
1671                 } // else file is ROOT folder, no parent to set in conflict
1672
1673             } else {
1674                 /// update conflict in ancestor folders
1675                 // (not directly unset; maybe there are more conflicts below them)
1676                 String parentPath = file.getRemotePath();
1677                 if (parentPath.endsWith(OCFile.PATH_SEPARATOR)) {
1678                     parentPath = parentPath.substring(0, parentPath.length() - 1);
1679                 }
1680                 parentPath = parentPath.substring(0, parentPath.lastIndexOf(OCFile.PATH_SEPARATOR) + 1);
1681
1682                 Log_OC.d(TAG, "checking parents to remove conflict; STARTING with " + parentPath);
1683                 while (parentPath.length() > 0) {
1684
1685                     String where =
1686                             ProviderTableMeta.FILE_ETAG_IN_CONFLICT + " IS NOT NULL AND " +
1687                                     ProviderTableMeta.FILE_CONTENT_TYPE + " != 'DIR' AND " +
1688                                     ProviderTableMeta.FILE_ACCOUNT_OWNER + " = ? AND " +
1689                                     ProviderTableMeta.FILE_PATH + " LIKE ?";
1690                     Cursor descendentsInConflict = getContentResolver().query(
1691                             ProviderTableMeta.CONTENT_URI_FILE,
1692                             new String[]{ProviderTableMeta._ID},
1693                             where,
1694                             new String[]{mAccount.name, parentPath + "%"},
1695                             null
1696                     );
1697                     if (descendentsInConflict == null || descendentsInConflict.getCount() == 0) {
1698                         Log_OC.d(TAG, "NO MORE conflicts in " + parentPath);
1699                         if (getContentResolver() != null) {
1700                             updated = getContentResolver().update(
1701                                     ProviderTableMeta.CONTENT_URI_FILE,
1702                                     cv,
1703                                     ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1704                                             ProviderTableMeta.FILE_PATH + "=?",
1705                                     new String[]{mAccount.name, parentPath}
1706                             );
1707                         } else {
1708                             try {
1709                                 updated = getContentProviderClient().update(
1710                                         ProviderTableMeta.CONTENT_URI_FILE,
1711                                         cv,
1712                                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1713                                                 ProviderTableMeta.FILE_PATH + "=?"
1714                                         , new String[]{mAccount.name, parentPath}
1715                                 );
1716                             } catch (RemoteException e) {
1717                                 Log_OC.e(TAG, "Failed saving conflict in database " + e.getMessage());
1718                             }
1719                         }
1720
1721                     } else {
1722                         Log_OC.d(TAG, "STILL " + descendentsInConflict.getCount() + " in " + parentPath);
1723                     }
1724
1725                     if (descendentsInConflict != null) {
1726                         descendentsInConflict.close();
1727                     }
1728
1729                     parentPath = parentPath.substring(0, parentPath.length() - 1);  // trim last /
1730                     parentPath = parentPath.substring(0, parentPath.lastIndexOf(OCFile.PATH_SEPARATOR) + 1);
1731                     Log_OC.d(TAG, "checking parents to remove conflict; NEXT " + parentPath);
1732                 }
1733             }
1734         }
1735
1736     }
1737
1738     public OCCapability saveCapabilities(OCCapability capability){
1739
1740         // Prepare capabilities data
1741         ContentValues cv = new ContentValues();
1742         cv.put(ProviderTableMeta.CAPABILITIES_ACCOUNT_NAME, mAccount.name);
1743         cv.put(ProviderTableMeta.CAPABILITIES_VERSION_MAYOR, capability.getVersionMayor());
1744         cv.put(ProviderTableMeta.CAPABILITIES_VERSION_MINOR, capability.getVersionMinor());
1745         cv.put(ProviderTableMeta.CAPABILITIES_VERSION_MICRO, capability.getVersionMicro());
1746         cv.put(ProviderTableMeta.CAPABILITIES_VERSION_STRING, capability.getVersionString());
1747         cv.put(ProviderTableMeta.CAPABILITIES_VERSION_EDITION, capability.getVersionEdition());
1748         cv.put(ProviderTableMeta.CAPABILITIES_CORE_POLLINTERVAL, capability.getCorePollinterval());
1749         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_API_ENABLED, capability.getFilesSharingApiEnabled().getValue());
1750         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_ENABLED,
1751                 capability.getFilesSharingPublicEnabled().getValue());
1752         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_PASSWORD_ENFORCED,
1753                 capability.getFilesSharingPublicPasswordEnforced().getValue());
1754         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_EXPIRE_DATE_ENABLED,
1755                 capability.getFilesSharingPublicExpireDateEnabled().getValue());
1756         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_EXPIRE_DATE_DAYS,
1757                 capability.getFilesSharingPublicExpireDateDays());
1758         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_EXPIRE_DATE_ENFORCED,
1759                 capability.getFilesSharingPublicExpireDateEnforced().getValue());
1760         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_SEND_MAIL,
1761                 capability.getFilesSharingPublicSendMail().getValue());
1762         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_UPLOAD,
1763                 capability.getFilesSharingPublicUpload().getValue());
1764         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_USER_SEND_MAIL,
1765                 capability.getFilesSharingUserSendMail().getValue());
1766         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_RESHARING, capability.getFilesSharingResharing().getValue());
1767         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_FEDERATION_OUTGOING,
1768                 capability.getFilesSharingFederationOutgoing().getValue());
1769         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_FEDERATION_INCOMING,
1770                 capability.getFilesSharingFederationIncoming().getValue());
1771         cv.put(ProviderTableMeta.CAPABILITIES_FILES_BIGFILECHUNKING, capability.getFilesBigFileChuncking().getValue());
1772         cv.put(ProviderTableMeta.CAPABILITIES_FILES_UNDELETE, capability.getFilesUndelete().getValue());
1773         cv.put(ProviderTableMeta.CAPABILITIES_FILES_VERSIONING, capability.getFilesVersioning().getValue());
1774
1775         if (capabilityExists(mAccount.name)) {
1776             if (getContentResolver() != null) {
1777                 getContentResolver().update(ProviderTableMeta.CONTENT_URI_CAPABILITIES, cv,
1778                         ProviderTableMeta.CAPABILITIES_ACCOUNT_NAME + "=?",
1779                         new String[]{mAccount.name});
1780             } else {
1781                 try {
1782                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_CAPABILITIES,
1783                             cv, ProviderTableMeta.CAPABILITIES_ACCOUNT_NAME + "=?",
1784                             new String[]{mAccount.name});
1785                 } catch (RemoteException e) {
1786                     Log_OC.e(TAG,
1787                             "Fail to insert insert file to database "
1788                                     + e.getMessage());
1789                 }
1790             }
1791         } else {
1792             Uri result_uri = null;
1793             if (getContentResolver() != null) {
1794                 result_uri = getContentResolver().insert(
1795                         ProviderTableMeta.CONTENT_URI_CAPABILITIES, cv);
1796             } else {
1797                 try {
1798                     result_uri = getContentProviderClient().insert(
1799                             ProviderTableMeta.CONTENT_URI_CAPABILITIES, cv);
1800                 } catch (RemoteException e) {
1801                     Log_OC.e(TAG,
1802                             "Fail to insert insert capability to database "
1803                                     + e.getMessage());
1804                 }
1805             }
1806             if (result_uri != null) {
1807                 long new_id = Long.parseLong(result_uri.getPathSegments()
1808                         .get(1));
1809                 capability.setId(new_id);
1810                 capability.setAccountName(mAccount.name);
1811             }
1812         }
1813
1814         return capability;
1815     }
1816
1817     private boolean capabilityExists(String accountName) {
1818         Cursor c = getCapabilityCursorForAccount(accountName);
1819         boolean exists = false;
1820         if (c != null) {
1821             exists = c.moveToFirst();
1822             c.close();
1823         }
1824         return exists;
1825     }
1826
1827     private Cursor getCapabilityCursorForAccount(String accountName){
1828         Cursor c = null;
1829         if (getContentResolver() != null) {
1830             c = getContentResolver()
1831                     .query(ProviderTableMeta.CONTENT_URI_CAPABILITIES,
1832                             null,
1833                             ProviderTableMeta.CAPABILITIES_ACCOUNT_NAME + "=? ",
1834                             new String[]{accountName}, null);
1835         } else {
1836             try {
1837                 c = getContentProviderClient().query(
1838                         ProviderTableMeta.CONTENT_URI_CAPABILITIES,
1839                         null,
1840                         ProviderTableMeta.CAPABILITIES_ACCOUNT_NAME + "=? ",
1841                         new String[]{accountName}, null);
1842             } catch (RemoteException e) {
1843                 Log_OC.e(TAG,
1844                         "Couldn't determine capability existance, assuming non existance: "
1845                                 + e.getMessage());
1846             }
1847         }
1848
1849         return c;
1850
1851     }
1852     public OCCapability getCapability(String accountName){
1853         OCCapability capability = null;
1854         Cursor c = getCapabilityCursorForAccount(accountName);
1855
1856         if (c.moveToFirst()) {
1857             capability = createCapabilityInstance(c);
1858         }
1859         c.close();
1860         return capability;
1861     }
1862
1863     private OCCapability createCapabilityInstance(Cursor c) {
1864         OCCapability capability = null;
1865         if (c != null) {
1866             capability = new OCCapability();
1867             capability.setId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
1868             capability.setAccountName(c.getString(c
1869                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_ACCOUNT_NAME)));
1870             capability.setVersionMayor(c.getInt(c
1871                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_VERSION_MAYOR)));
1872             capability.setVersionMinor(c.getInt(c
1873                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_VERSION_MINOR)));
1874             capability.setVersionMicro(c.getInt(c
1875                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_VERSION_MICRO)));
1876             capability.setVersionString(c.getString(c
1877                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_VERSION_STRING)));
1878             capability.setVersionEdition(c.getString(c
1879                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_VERSION_EDITION)));
1880             capability.setCorePollinterval(c.getInt(c
1881                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_CORE_POLLINTERVAL)));
1882             capability.setFilesSharingApiEnabled(CapabilityBooleanType.fromValue(c.getInt(c
1883                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_API_ENABLED))));
1884             capability.setFilesSharingPublicEnabled(CapabilityBooleanType.fromValue(c.getInt(c
1885                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_ENABLED))));
1886             capability.setFilesSharingPublicPasswordEnforced(CapabilityBooleanType.fromValue(c.getInt(c
1887                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_PASSWORD_ENFORCED))));
1888             capability.setFilesSharingPublicExpireDateEnabled(CapabilityBooleanType.fromValue(c.getInt(c
1889                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_EXPIRE_DATE_ENABLED))));
1890             capability.setFilesSharingPublicExpireDateDays(c.getInt(c
1891                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_EXPIRE_DATE_DAYS)));
1892             capability.setFilesSharingPublicExpireDateEnforced(CapabilityBooleanType.fromValue(c.getInt(c
1893                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_EXPIRE_DATE_ENFORCED))));
1894             capability.setFilesSharingPublicSendMail(CapabilityBooleanType.fromValue(c.getInt(c
1895                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_SEND_MAIL))));
1896             capability.setFilesSharingPublicUpload(CapabilityBooleanType.fromValue(c.getInt(c
1897                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_UPLOAD))));
1898             capability.setFilesSharingUserSendMail(CapabilityBooleanType.fromValue(c.getInt(c
1899                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_USER_SEND_MAIL))));
1900             capability.setFilesSharingResharing(CapabilityBooleanType.fromValue(c.getInt(c
1901                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_RESHARING))));
1902             capability.setFilesSharingFederationOutgoing(CapabilityBooleanType.fromValue(c.getInt(c
1903                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_FEDERATION_OUTGOING))));
1904             capability.setFilesSharingFederationIncoming(CapabilityBooleanType.fromValue(c.getInt(c
1905                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_FEDERATION_INCOMING))));
1906             capability.setFilesBigFileChuncking(CapabilityBooleanType.fromValue(c.getInt(c
1907                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_FILES_BIGFILECHUNKING))));
1908             capability.setFilesUndelete(CapabilityBooleanType.fromValue(c.getInt(c
1909                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_FILES_UNDELETE))));
1910             capability.setFilesVersioning(CapabilityBooleanType.fromValue(c.getInt(c
1911                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_FILES_VERSIONING))));
1912
1913         }
1914         return capability;
1915     }
1916 }