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.shares.OCShare;
  51 import com.owncloud.android.lib.resources.shares.ShareType;
  52 import com.owncloud.android.lib.resources.status.CapabilityBooleanType;
  53 import com.owncloud.android.lib.resources.status.OCCapability;
  54 import com.owncloud.android.utils.FileStorageUtils;
  55
  56 public class FileDataStorageManager {
  57
  58     public static final int ROOT_PARENT_ID = 0;
  59
  60     private ContentResolver mContentResolver;
  61     private ContentProviderClient mContentProviderClient;
  62     private Account mAccount;
  63
  64     private static String TAG = FileDataStorageManager.class.getSimpleName();
  65
  66
  67     public FileDataStorageManager(Account account, ContentResolver cr) {
  68         mContentProviderClient = null;
  69         mContentResolver = cr;
  70         mAccount = account;
  71     }
  72
  73     public FileDataStorageManager(Account account, ContentProviderClient cp) {
  74         mContentProviderClient = cp;
  75         mContentResolver = null;
  76         mAccount = account;
  77     }
  78
  79
  80     public void setAccount(Account account) {
  81         mAccount = account;
  82     }
  83
  84     public Account getAccount() {
  85         return mAccount;
  86     }
  87
  88     public ContentResolver getContentResolver() {
  89         return mContentResolver;
  90     }
  91
  92     public ContentProviderClient getContentProviderClient() {
  93         return mContentProviderClient;
  94     }
  95
  96
  97     public OCFile getFileByPath(String path) {
  98         Cursor c = getCursorForValue(ProviderTableMeta.FILE_PATH, path);
  99         OCFile file = null;
 100         if (c.moveToFirst()) {
 101             file = createFileInstance(c);
 102         }
 103         c.close();
 104         if (file == null && OCFile.ROOT_PATH.equals(path)) {
 105             return createRootDir(); // root should always exist
 106         }
 107         return file;
 108     }
 109
 110
 111     public OCFile getFileById(long id) {
 112         Cursor c = getCursorForValue(ProviderTableMeta._ID, String.valueOf(id));
 113         OCFile file = null;
 114         if (c.moveToFirst()) {
 115             file = createFileInstance(c);
 116         }
 117         c.close();
 118         return file;
 119     }
 120
 121     public OCFile getFileByLocalPath(String path) {
 122         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 123         OCFile file = null;
 124         if (c.moveToFirst()) {
 125             file = createFileInstance(c);
 126         }
 127         c.close();
 128         return file;
 129     }
 130
 131     public boolean fileExists(long id) {
 132         return fileExists(ProviderTableMeta._ID, String.valueOf(id));
 133     }
 134
 135     public boolean fileExists(String path) {
 136         return fileExists(ProviderTableMeta.FILE_PATH, path);
 137     }
 138
 139
 140     public Vector<OCFile> getFolderContent(OCFile f/*, boolean onlyOnDevice*/) {
 141         if (f != null && f.isFolder() && f.getFileId() != -1) {
 142             // TODO Enable when "On Device" is recovered ?
 143             return getFolderContent(f.getFileId()/*, onlyOnDevice*/);
 144
 145         } else {
 146             return new Vector<OCFile>();
 147         }
 148     }
 149
 150
 151     public Vector<OCFile> getFolderImages(OCFile folder/*, boolean onlyOnDevice*/) {
 152         Vector<OCFile> ret = new Vector<OCFile>();
 153         if (folder != null) {
 154             // TODO better implementation, filtering in the access to database instead of here
 155             // TODO Enable when "On Device" is recovered ?
 156             Vector<OCFile> tmp = getFolderContent(folder/*, onlyOnDevice*/);
 157             OCFile current = null;
 158             for (int i=0; i<tmp.size(); i++) {
 159                 current = tmp.get(i);
 160                 if (current.isImage()) {
 161                     ret.add(current);
 162                 }
 163             }
 164         }
 165         return ret;
 166     }
 167
 168     public boolean saveFile(OCFile file) {
 169         boolean overriden = false;
 170         ContentValues cv = new ContentValues();
 171         cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 172         cv.put(
 173                 ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 174                 file.getModificationTimestampAtLastSyncForData()
 175         );
 176         cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 177         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 178         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 179         cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 180         cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 181         cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 182         if (!file.isFolder())
 183             cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 184         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 185         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 186         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 187         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.isFavorite() ? 1 : 0);
 188         cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 189         cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, file.isSharedViaLink() ? 1 : 0);
 190         cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, file.isSharedWithSharee() ? 1 : 0);
 191         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 192         cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 193         cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 194         cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
 195         cv.put(ProviderTableMeta.FILE_IS_DOWNLOADING, file.isDownloading());
 196         cv.put(ProviderTableMeta.FILE_ETAG_IN_CONFLICT, file.getEtagInConflict());
 197
 198         boolean sameRemotePath = fileExists(file.getRemotePath());
 199         if (sameRemotePath ||
 200                 fileExists(file.getFileId())) {  // for renamed files; no more delete and create
 201
 202             OCFile oldFile;
 203             if (sameRemotePath) {
 204                 oldFile = getFileByPath(file.getRemotePath());
 205                 file.setFileId(oldFile.getFileId());
 206             } else {
 207                 oldFile = getFileById(file.getFileId());
 208             }
 209
 210             overriden = true;
 211             if (getContentResolver() != null) {
 212                 getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv,
 213                         ProviderTableMeta._ID + "=?",
 214                         new String[]{String.valueOf(file.getFileId())});
 215             } else {
 216                 try {
 217                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI,
 218                             cv, ProviderTableMeta._ID + "=?",
 219                             new String[]{String.valueOf(file.getFileId())});
 220                 } catch (RemoteException e) {
 221                     Log_OC.e(TAG,
 222                             "Fail to insert insert file to database "
 223                                     + e.getMessage());
 224                 }
 225             }
 226         } else {
 227             Uri result_uri = null;
 228             if (getContentResolver() != null) {
 229                 result_uri = getContentResolver().insert(
 230                         ProviderTableMeta.CONTENT_URI_FILE, cv);
 231             } else {
 232                 try {
 233                     result_uri = getContentProviderClient().insert(
 234                             ProviderTableMeta.CONTENT_URI_FILE, cv);
 235                 } catch (RemoteException e) {
 236                     Log_OC.e(TAG,
 237                             "Fail to insert insert file to database "
 238                                     + e.getMessage());
 239                 }
 240             }
 241             if (result_uri != null) {
 242                 long new_id = Long.parseLong(result_uri.getPathSegments()
 243                         .get(1));
 244                 file.setFileId(new_id);
 245             }
 246         }
 247
 248         return overriden;
 249     }
 250
 251
 252     /**
 253      * Inserts or updates the list of files contained in a given folder.
 254      * <p/>
 255      * CALLER IS THE RESPONSIBLE FOR GRANTING RIGHT UPDATE OF INFORMATION, NOT THIS METHOD.
 256      * HERE ONLY DATA CONSISTENCY SHOULD BE GRANTED
 257      *
 258      * @param folder
 259      * @param updatedFiles
 260      * @param filesToRemove
 261      */
 262     public void saveFolder(
 263             OCFile folder, Collection<OCFile> updatedFiles, Collection<OCFile> filesToRemove
 264     ) {
 265
 266         Log_OC.d(TAG,  "Saving folder " + folder.getRemotePath() + " with " + updatedFiles.size()
 267                 + " children and " + filesToRemove.size() + " files to remove");
 268
 269         ArrayList<ContentProviderOperation> operations =
 270                 new ArrayList<ContentProviderOperation>(updatedFiles.size());
 271
 272         // prepare operations to insert or update files to save in the given folder
 273         for (OCFile file : updatedFiles) {
 274             ContentValues cv = new ContentValues();
 275             cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 276             cv.put(
 277                     ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 278                     file.getModificationTimestampAtLastSyncForData()
 279             );
 280             cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 281             cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 282             cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 283             cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 284             //cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 285             cv.put(ProviderTableMeta.FILE_PARENT, folder.getFileId());
 286             cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 287             if (!file.isFolder()) {
 288                 cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 289             }
 290             cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 291             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 292             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 293             cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.isFavorite() ? 1 : 0);
 294             cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 295             cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, file.isSharedViaLink() ? 1 : 0);
 296             cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, file.isSharedWithSharee() ? 1 : 0);
 297             cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 298             cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 299             cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 300             cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
 301             cv.put(ProviderTableMeta.FILE_IS_DOWNLOADING, file.isDownloading());
 302             cv.put(ProviderTableMeta.FILE_ETAG_IN_CONFLICT, file.getEtagInConflict());
 303
 304             boolean existsByPath = fileExists(file.getRemotePath());
 305             if (existsByPath || fileExists(file.getFileId())) {
 306                 // updating an existing file
 307                 operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 308                         withValues(cv).
 309                         withSelection(ProviderTableMeta._ID + "=?",
 310                                 new String[]{String.valueOf(file.getFileId())})
 311                         .build());
 312
 313             } else {
 314                 // adding a new file
 315                 operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
 316                         withValues(cv).build());
 317             }
 318         }
 319
 320         // prepare operations to remove files in the given folder
 321         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 322                 ProviderTableMeta.FILE_PATH + "=?";
 323         String [] whereArgs = null;
 324         for (OCFile file : filesToRemove) {
 325             if (file.getParentId() == folder.getFileId()) {
 326                 whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 327                 if (file.isFolder()) {
 328                     operations.add(ContentProviderOperation.newDelete(
 329                             ContentUris.withAppendedId(
 330                                     ProviderTableMeta.CONTENT_URI_DIR, file.getFileId()
 331                             )
 332                     ).withSelection(where, whereArgs).build());
 333
 334                     File localFolder =
 335                             new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 336                     if (localFolder.exists()) {
 337                         removeLocalFolder(localFolder);
 338                     }
 339                 } else {
 340                     operations.add(ContentProviderOperation.newDelete(
 341                             ContentUris.withAppendedId(
 342                                     ProviderTableMeta.CONTENT_URI_FILE, file.getFileId()
 343                             )
 344                     ).withSelection(where, whereArgs).build());
 345
 346                     if (file.isDown()) {
 347                         String path = file.getStoragePath();
 348                         new File(path).delete();
 349                         triggerMediaScan(path); // notify MediaScanner about removed file
 350                     }
 351                 }
 352             }
 353         }
 354
 355         // update metadata of folder
 356         ContentValues cv = new ContentValues();
 357         cv.put(ProviderTableMeta.FILE_MODIFIED, folder.getModificationTimestamp());
 358         cv.put(
 359                 ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 360                 folder.getModificationTimestampAtLastSyncForData()
 361         );
 362         cv.put(ProviderTableMeta.FILE_CREATION, folder.getCreationTimestamp());
 363         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, 0);
 364         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, folder.getMimetype());
 365         cv.put(ProviderTableMeta.FILE_NAME, folder.getFileName());
 366         cv.put(ProviderTableMeta.FILE_PARENT, folder.getParentId());
 367         cv.put(ProviderTableMeta.FILE_PATH, folder.getRemotePath());
 368         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 369         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, folder.getLastSyncDateForProperties());
 370         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, folder.getLastSyncDateForData());
 371         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, folder.isFavorite() ? 1 : 0);
 372         cv.put(ProviderTableMeta.FILE_ETAG, folder.getEtag());
 373         cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, folder.isSharedViaLink() ? 1 : 0);
 374         cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, folder.isSharedWithSharee() ? 1 : 0);
 375         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, folder.getPublicLink());
 376         cv.put(ProviderTableMeta.FILE_PERMISSIONS, folder.getPermissions());
 377         cv.put(ProviderTableMeta.FILE_REMOTE_ID, folder.getRemoteId());
 378
 379         operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 380                 withValues(cv).
 381                 withSelection(ProviderTableMeta._ID + "=?",
 382                         new String[]{String.valueOf(folder.getFileId())})
 383                 .build());
 384
 385         // apply operations in batch
 386         ContentProviderResult[] results = null;
 387         Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
 388         try {
 389             if (getContentResolver() != null) {
 390                 results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 391
 392             } else {
 393                 results = getContentProviderClient().applyBatch(operations);
 394             }
 395
 396         } catch (OperationApplicationException e) {
 397             Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
 398
 399         } catch (RemoteException e) {
 400             Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
 401         }
 402
 403         // update new id in file objects for insertions
 404         if (results != null) {
 405             long newId;
 406             Iterator<OCFile> filesIt = updatedFiles.iterator();
 407             OCFile file = null;
 408             for (int i = 0; i < results.length; i++) {
 409                 if (filesIt.hasNext()) {
 410                     file = filesIt.next();
 411                 } else {
 412                     file = null;
 413                 }
 414                 if (results[i].uri != null) {
 415                     newId = Long.parseLong(results[i].uri.getPathSegments().get(1));
 416                     //updatedFiles.get(i).setFileId(newId);
 417                     if (file != null) {
 418                         file.setFileId(newId);
 419                     }
 420                 }
 421             }
 422         }
 423
 424     }
 425
 426
 427     public boolean removeFile(OCFile file, boolean removeDBData, boolean removeLocalCopy) {
 428         boolean success = true;
 429         if (file != null) {
 430             if (file.isFolder()) {
 431                 success = removeFolder(file, removeDBData, removeLocalCopy);
 432
 433             } else {
 434                 if (removeDBData) {
 435                     //Uri file_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE,
 436                     // ""+file.getFileId());
 437                     Uri file_uri = ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_FILE,
 438                             file.getFileId());
 439                     String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 440                             ProviderTableMeta.FILE_PATH + "=?";
 441                     String[] whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 442                     int deleted = 0;
 443                     if (getContentProviderClient() != null) {
 444                         try {
 445                             deleted = getContentProviderClient().delete(file_uri, where, whereArgs);
 446                         } catch (RemoteException e) {
 447                             e.printStackTrace();
 448                         }
 449                     } else {
 450                         deleted = getContentResolver().delete(file_uri, where, whereArgs);
 451                     }
 452                     success &= (deleted > 0);
 453                 }
 454                 String localPath = file.getStoragePath();
 455                 if (removeLocalCopy && file.isDown() && localPath != null && success) {
 456                     success = new File(localPath).delete();
 457                     if (success) {
 458                         deleteFileInMediaScan(localPath);
 459                     }
 460                     if (!removeDBData && success) {
 461                         // maybe unnecessary, but should be checked TODO remove if unnecessary
 462                         file.setStoragePath(null);
 463                         saveFile(file);
 464                         saveConflict(file, null);
 465                     }
 466                 }
 467             }
 468         }
 469         return success;
 470     }
 471
 472
 473     public boolean removeFolder(OCFile folder, boolean removeDBData, boolean removeLocalContent) {
 474         boolean success = true;
 475         if (folder != null && folder.isFolder()) {
 476             if (removeDBData && folder.getFileId() != -1) {
 477                 success = removeFolderInDb(folder);
 478             }
 479             if (removeLocalContent && success) {
 480                 success = removeLocalFolder(folder);
 481             }
 482         }
 483         return success;
 484     }
 485
 486     private boolean removeFolderInDb(OCFile folder) {
 487         Uri folder_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, "" +
 488                 folder.getFileId());   // URI for recursive deletion
 489         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 490                 ProviderTableMeta.FILE_PATH + "=?";
 491         String [] whereArgs = new String[]{mAccount.name, folder.getRemotePath()};
 492         int deleted = 0;
 493         if (getContentProviderClient() != null) {
 494             try {
 495                 deleted = getContentProviderClient().delete(folder_uri, where, whereArgs);
 496             } catch (RemoteException e) {
 497                 e.printStackTrace();
 498             }
 499         } else {
 500             deleted = getContentResolver().delete(folder_uri, where, whereArgs);
 501         }
 502         return deleted > 0;
 503     }
 504
 505     private boolean removeLocalFolder(OCFile folder) {
 506         boolean success = true;
 507         String localFolderPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, folder);
 508         File localFolder = new File(localFolderPath);
 509         if (localFolder.exists()) {
 510             // stage 1: remove the local files already registered in the files database
 511             // TODO Enable when "On Device" is recovered ?
 512             Vector<OCFile> files = getFolderContent(folder.getFileId()/*, false*/);
 513             if (files != null) {
 514                 for (OCFile file : files) {
 515                     if (file.isFolder()) {
 516                         success &= removeLocalFolder(file);
 517                     } else {
 518                         if (file.isDown()) {
 519                             File localFile = new File(file.getStoragePath());
 520                             success &= localFile.delete();
 521                             if (success) {
 522                                 // notify MediaScanner about removed file
 523                                 deleteFileInMediaScan(file.getStoragePath());
 524                                 file.setStoragePath(null);
 525                                 saveFile(file);
 526                             }
 527                         }
 528                     }
 529                 }
 530             }
 531
 532             // stage 2: remove the folder itself and any local file inside out of sync;
 533             //          for instance, after clearing the app cache or reinstalling
 534             success &= removeLocalFolder(localFolder);
 535         }
 536         return success;
 537     }
 538
 539     private boolean removeLocalFolder(File localFolder) {
 540         boolean success = true;
 541         File[] localFiles = localFolder.listFiles();
 542         if (localFiles != null) {
 543             for (File localFile : localFiles) {
 544                 if (localFile.isDirectory()) {
 545                     success &= removeLocalFolder(localFile);
 546                 } else {
 547                     String path = localFile.getAbsolutePath();
 548                     success &= localFile.delete();
 549                 }
 550             }
 551         }
 552         success &= localFolder.delete();
 553         return success;
 554     }
 555
 556
 557     /**
 558      * Updates database and file system for a file or folder that was moved to a different location.
 559      *
 560      * TODO explore better (faster) implementations
 561      * TODO throw exceptions up !
 562      */
 563     public void moveLocalFile(OCFile file, String targetPath, String targetParentPath) {
 564
 565         if (file != null && file.fileExists() && !OCFile.ROOT_PATH.equals(file.getFileName())) {
 566
 567             OCFile targetParent = getFileByPath(targetParentPath);
 568             if (targetParent == null) {
 569                 throw new IllegalStateException(
 570                         "Parent folder of the target path does not exist!!");
 571             }
 572
 573             /// 1. get all the descendants of the moved element in a single QUERY
 574             Cursor c = null;
 575             if (getContentProviderClient() != null) {
 576                 try {
 577                     c = getContentProviderClient().query(
 578                             ProviderTableMeta.CONTENT_URI,
 579                             null,
 580                             ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 581                                     ProviderTableMeta.FILE_PATH + " LIKE ? ",
 582                             new String[]{
 583                                     mAccount.name,
 584                                     file.getRemotePath() + "%"
 585                             },
 586                             ProviderTableMeta.FILE_PATH + " ASC "
 587                     );
 588                 } catch (RemoteException e) {
 589                     Log_OC.e(TAG, e.getMessage());
 590                 }
 591
 592             } else {
 593                 c = getContentResolver().query(
 594                         ProviderTableMeta.CONTENT_URI,
 595                         null,
 596                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 597                                 ProviderTableMeta.FILE_PATH + " LIKE ? ",
 598                         new String[]{
 599                                 mAccount.name,
 600                                 file.getRemotePath() + "%"
 601                         },
 602                         ProviderTableMeta.FILE_PATH + " ASC "
 603                 );
 604             }
 605
 606             /// 2. prepare a batch of update operations to change all the descendants
 607             ArrayList<ContentProviderOperation> operations =
 608                     new ArrayList<ContentProviderOperation>(c.getCount());
 609             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 610             List<String> originalPathsToTriggerMediaScan = new ArrayList<String>();
 611             List<String> newPathsToTriggerMediaScan = new ArrayList<String>();
 612             if (c.moveToFirst()) {
 613                 int lengthOfOldPath = file.getRemotePath().length();
 614                 int lengthOfOldStoragePath = defaultSavePath.length() + lengthOfOldPath;
 615                 do {
 616                     ContentValues cv = new ContentValues(); // keep construction in the loop
 617                     OCFile child = createFileInstance(c);
 618                     cv.put(
 619                             ProviderTableMeta.FILE_PATH,
 620                             targetPath + child.getRemotePath().substring(lengthOfOldPath)
 621                     );
 622                     if (child.getStoragePath() != null &&
 623                             child.getStoragePath().startsWith(defaultSavePath)) {
 624                         // update link to downloaded content - but local move is not done here!
 625                         String targetLocalPath = defaultSavePath + targetPath +
 626                                 child.getStoragePath().substring(lengthOfOldStoragePath);
 627
 628                         cv.put(ProviderTableMeta.FILE_STORAGE_PATH, targetLocalPath);
 629
 630                         originalPathsToTriggerMediaScan.add(child.getStoragePath());
 631                         newPathsToTriggerMediaScan.add(targetLocalPath);
 632
 633                     }
 634                     if (child.getRemotePath().equals(file.getRemotePath())) {
 635                         cv.put(
 636                                 ProviderTableMeta.FILE_PARENT,
 637                                 targetParent.getFileId()
 638                         );
 639                     }
 640                     operations.add(
 641                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 642                                     withValues(cv).
 643                                     withSelection(
 644                                             ProviderTableMeta._ID + "=?",
 645                                             new String[]{String.valueOf(child.getFileId())}
 646                                     )
 647                                     .build());
 648
 649                 } while (c.moveToNext());
 650             }
 651             c.close();
 652
 653             /// 3. apply updates in batch
 654             try {
 655                 if (getContentResolver() != null) {
 656                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 657
 658                 } else {
 659                     getContentProviderClient().applyBatch(operations);
 660                 }
 661
 662             } catch (Exception e) {
 663                 Log_OC.e(TAG, "Fail to update " + file.getFileId() + " and descendants in database",
 664                         e);
 665             }
 666
 667             /// 4. move in local file system
 668             String originalLocalPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, file);
 669             String targetLocalPath = defaultSavePath + targetPath;
 670             File localFile = new File(originalLocalPath);
 671             boolean renamed = false;
 672             if (localFile.exists()) {
 673                 File targetFile = new File(targetLocalPath);
 674                 File targetFolder = targetFile.getParentFile();
 675                 if (!targetFolder.exists()) {
 676                     targetFolder.mkdirs();
 677                 }
 678                 renamed = localFile.renameTo(targetFile);
 679             }
 680
 681             if (renamed) {
 682                 Iterator<String> it = originalPathsToTriggerMediaScan.iterator();
 683                 while (it.hasNext()) {
 684                     // Notify MediaScanner about removed file
 685                     deleteFileInMediaScan(it.next());
 686                 }
 687                 it = newPathsToTriggerMediaScan.iterator();
 688                 while (it.hasNext()) {
 689                     // Notify MediaScanner about new file/folder
 690                     triggerMediaScan(it.next());
 691                 }
 692             }
 693         }
 694
 695     }
 696
 697     public void copyLocalFile(OCFile file, String targetPath) {
 698
 699         if (file != null && file.fileExists() && !OCFile.ROOT_PATH.equals(file.getFileName())) {
 700             String localPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, file);
 701             File localFile = new File(localPath);
 702             boolean copied = false;
 703             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 704             if (localFile.exists()) {
 705                 File targetFile = new File(defaultSavePath + targetPath);
 706                 File targetFolder = targetFile.getParentFile();
 707                 if (!targetFolder.exists()) {
 708                     targetFolder.mkdirs();
 709                 }
 710                 copied = FileStorageUtils.copyFile(localFile, targetFile);
 711             }
 712             Log_OC.d(TAG, "Local file COPIED : " + copied);
 713         }
 714     }
 715
 716     public void migrateStoredFiles(String srcPath, String dstPath) throws Exception {
 717         Cursor c = null;
 718         if (getContentResolver() != null) {
 719             c = getContentResolver().query(ProviderTableMeta.CONTENT_URI_FILE,
 720                     null,
 721                     ProviderTableMeta.FILE_STORAGE_PATH  + " IS NOT NULL",
 722                     null,
 723                     null);
 724
 725         } else {
 726             try {
 727                 c = getContentProviderClient().query(ProviderTableMeta.CONTENT_URI_FILE,
 728                         new String[]{ProviderTableMeta._ID, ProviderTableMeta.FILE_STORAGE_PATH},
 729                         ProviderTableMeta.FILE_STORAGE_PATH + " IS NOT NULL",
 730                         null,
 731                         null);
 732             } catch (RemoteException e) {
 733                 Log_OC.e(TAG, e.getMessage());
 734                 throw e;
 735             }
 736         }
 737
 738         ArrayList<ContentProviderOperation> operations =
 739                 new ArrayList<ContentProviderOperation>(c.getCount());
 740         if (c.moveToFirst()) {
 741             do {
 742                 ContentValues cv = new ContentValues();
 743                 long fileId = c.getLong(c.getColumnIndex(ProviderTableMeta._ID));
 744                 String oldFileStoragePath = c.getString(c.getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH));
 745
 746                 if (oldFileStoragePath.startsWith(srcPath)) {
 747
 748                     cv.put(
 749                             ProviderTableMeta.FILE_STORAGE_PATH,
 750                             oldFileStoragePath.replaceFirst(srcPath, dstPath));
 751
 752                     operations.add(
 753                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 754                                     withValues(cv).
 755                                     withSelection(
 756                                             ProviderTableMeta._ID + "=?",
 757                                             new String[]{String.valueOf(fileId)}
 758                                     )
 759                                     .build());
 760                 }
 761
 762             } while (c.moveToNext());
 763         }
 764         c.close();
 765
 766         /// 3. apply updates in batch
 767         try {
 768             if (getContentResolver() != null) {
 769                 getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 770
 771             } else {
 772                 getContentProviderClient().applyBatch(operations);
 773             }
 774
 775         } catch (Exception e) {
 776             throw e;
 777         }
 778     }
 779
 780     private Vector<OCFile> getFolderContent(long parentId/*, boolean onlyOnDevice*/) {
 781
 782         Vector<OCFile> ret = new Vector<OCFile>();
 783
 784         Uri req_uri = Uri.withAppendedPath(
 785                 ProviderTableMeta.CONTENT_URI_DIR,
 786                 String.valueOf(parentId));
 787         Cursor c = null;
 788
 789         if (getContentProviderClient() != null) {
 790             try {
 791                 c = getContentProviderClient().query(req_uri, null,
 792                         ProviderTableMeta.FILE_PARENT + "=?",
 793                         new String[]{String.valueOf(parentId)}, null);
 794             } catch (RemoteException e) {
 795                 Log_OC.e(TAG, e.getMessage());
 796                 return ret;
 797             }
 798         } else {
 799             c = getContentResolver().query(req_uri, null,
 800                     ProviderTableMeta.FILE_PARENT + "=?",
 801                     new String[]{String.valueOf(parentId)}, null);
 802         }
 803
 804         if (c.moveToFirst()) {
 805             do {
 806                 OCFile child = createFileInstance(c);
 807                 // TODO Enable when "On Device" is recovered ?
 808                 // if (child.isFolder() || !onlyOnDevice || onlyOnDevice && child.isDown()){
 809                 ret.add(child);
 810                 // }
 811             } while (c.moveToNext());
 812         }
 813
 814         c.close();
 815
 816         Collections.sort(ret);
 817
 818         return ret;
 819     }
 820
 821
 822     private OCFile createRootDir() {
 823         OCFile file = new OCFile(OCFile.ROOT_PATH);
 824         file.setMimetype("DIR");
 825         file.setParentId(FileDataStorageManager.ROOT_PARENT_ID);
 826         saveFile(file);
 827         return file;
 828     }
 829
 830     private boolean fileExists(String cmp_key, String value) {
 831         Cursor c;
 832         if (getContentResolver() != null) {
 833             c = getContentResolver()
 834                     .query(ProviderTableMeta.CONTENT_URI,
 835                             null,
 836                             cmp_key + "=? AND "
 837                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 838                                     + "=?",
 839                             new String[]{value, mAccount.name}, null);
 840         } else {
 841             try {
 842                 c = getContentProviderClient().query(
 843                         ProviderTableMeta.CONTENT_URI,
 844                         null,
 845                         cmp_key + "=? AND "
 846                                 + ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
 847                         new String[]{value, mAccount.name}, null);
 848             } catch (RemoteException e) {
 849                 Log_OC.e(TAG,
 850                         "Couldn't determine file existance, assuming non existance: "
 851                                 + e.getMessage());
 852                 return false;
 853             }
 854         }
 855         boolean retval = c.moveToFirst();
 856         c.close();
 857         return retval;
 858     }
 859
 860     private Cursor getCursorForValue(String key, String value) {
 861         Cursor c = null;
 862         if (getContentResolver() != null) {
 863             c = getContentResolver()
 864                     .query(ProviderTableMeta.CONTENT_URI,
 865                             null,
 866                             key + "=? AND "
 867                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 868                                     + "=?",
 869                             new String[]{value, mAccount.name}, null);
 870         } else {
 871             try {
 872                 c = getContentProviderClient().query(
 873                         ProviderTableMeta.CONTENT_URI,
 874                         null,
 875                         key + "=? AND " + ProviderTableMeta.FILE_ACCOUNT_OWNER
 876                                 + "=?", new String[]{value, mAccount.name},
 877                         null);
 878             } catch (RemoteException e) {
 879                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 880                 c = null;
 881             }
 882         }
 883         return c;
 884     }
 885
 886
 887     private OCFile createFileInstance(Cursor c) {
 888         OCFile file = null;
 889         if (c != null) {
 890             file = new OCFile(c.getString(c
 891                     .getColumnIndex(ProviderTableMeta.FILE_PATH)));
 892             file.setFileId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
 893             file.setParentId(c.getLong(c
 894                     .getColumnIndex(ProviderTableMeta.FILE_PARENT)));
 895             file.setMimetype(c.getString(c
 896                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE)));
 897             if (!file.isFolder()) {
 898                 file.setStoragePath(c.getString(c
 899                         .getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH)));
 900                 if (file.getStoragePath() == null) {
 901                     // try to find existing file and bind it with current account;
 902                     // with the current update of SynchronizeFolderOperation, this won't be
 903                     // necessary anymore after a full synchronization of the account
 904                     File f = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 905                     if (f.exists()) {
 906                         file.setStoragePath(f.getAbsolutePath());
 907                         file.setLastSyncDateForData(f.lastModified());
 908                     }
 909                 }
 910             }
 911             file.setFileLength(c.getLong(c
 912                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH)));
 913             file.setCreationTimestamp(c.getLong(c
 914                     .getColumnIndex(ProviderTableMeta.FILE_CREATION)));
 915             file.setModificationTimestamp(c.getLong(c
 916                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED)));
 917             file.setModificationTimestampAtLastSyncForData(c.getLong(c
 918                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA)));
 919             file.setLastSyncDateForProperties(c.getLong(c
 920                     .getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE)));
 921             file.setLastSyncDateForData(c.getLong(c.
 922                     getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA)));
 923             file.setFavorite(c.getInt(
 924                     c.getColumnIndex(ProviderTableMeta.FILE_KEEP_IN_SYNC)) == 1 ? true : false);
 925             file.setEtag(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG)));
 926             file.setShareViaLink(c.getInt(
 927                     c.getColumnIndex(ProviderTableMeta.FILE_SHARED_VIA_LINK)) == 1 ? true : false);
 928             file.setShareWithSharee(c.getInt(
 929                     c.getColumnIndex(ProviderTableMeta.FILE_SHARED_WITH_SHAREE)) == 1 ? true : false);
 930             file.setPublicLink(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PUBLIC_LINK)));
 931             file.setPermissions(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PERMISSIONS)));
 932             file.setRemoteId(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_REMOTE_ID)));
 933             file.setNeedsUpdateThumbnail(c.getInt(
 934                     c.getColumnIndex(ProviderTableMeta.FILE_UPDATE_THUMBNAIL)) == 1 ? true : false);
 935             file.setDownloading(c.getInt(
 936                     c.getColumnIndex(ProviderTableMeta.FILE_IS_DOWNLOADING)) == 1 ? true : false);
 937             file.setEtagInConflict(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG_IN_CONFLICT)));
 938
 939         }
 940         return file;
 941     }
 942
 943     // Methods for Shares
 944     public boolean saveShare(OCShare share) {
 945         boolean overriden = false;
 946         ContentValues cv = new ContentValues();
 947         cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
 948         cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
 949         cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
 950         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
 951         cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
 952         cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
 953         cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
 954         cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
 955         cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
 956         cv.put(
 957                 ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
 958                 share.getSharedWithDisplayName()
 959         );
 960         cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
 961         cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
 962         cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
 963         cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
 964
 965         if (shareExists(share.getIdRemoteShared())) {// for renamed files; no more delete and create
 966             overriden = true;
 967             if (getContentResolver() != null) {
 968                 getContentResolver().update(ProviderTableMeta.CONTENT_URI_SHARE, cv,
 969                         ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 970                         new String[]{String.valueOf(share.getIdRemoteShared())});
 971             } else {
 972                 try {
 973                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_SHARE,
 974                             cv, ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 975                             new String[]{String.valueOf(share.getIdRemoteShared())});
 976                 } catch (RemoteException e) {
 977                     Log_OC.e(TAG,
 978                             "Fail to insert insert file to database "
 979                                     + e.getMessage());
 980                 }
 981             }
 982         } else {
 983             Uri result_uri = null;
 984             if (getContentResolver() != null) {
 985                 result_uri = getContentResolver().insert(
 986                         ProviderTableMeta.CONTENT_URI_SHARE, cv);
 987             } else {
 988                 try {
 989                     result_uri = getContentProviderClient().insert(
 990                             ProviderTableMeta.CONTENT_URI_SHARE, cv);
 991                 } catch (RemoteException e) {
 992                     Log_OC.e(TAG,
 993                             "Fail to insert insert file to database "
 994                                     + e.getMessage());
 995                 }
 996             }
 997             if (result_uri != null) {
 998                 long new_id = Long.parseLong(result_uri.getPathSegments()
 999                         .get(1));
1000                 share.setId(new_id);
1001             }
1002         }
1003
1004         return overriden;
1005     }
1006
1007
1008     public OCShare getFirstShareByPathAndType(String path, ShareType type, String shareWith) {
1009         Cursor c = null;
1010
1011         String selection = ProviderTableMeta.OCSHARES_PATH + "=? AND "
1012                 + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
1013                 + ProviderTableMeta.OCSHARES_SHARE_WITH + "=? AND "
1014                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?" ;
1015
1016         String [] selectionArgs =  new String[]{path, Integer.toString(type.getValue()),
1017                 shareWith, mAccount.name};
1018
1019         if (getContentResolver() != null) {
1020             c = getContentResolver().query(
1021                     ProviderTableMeta.CONTENT_URI_SHARE,
1022                     null,
1023                     selection, selectionArgs,
1024                     null);
1025         } else {
1026             try {
1027                 c = getContentProviderClient().query(
1028                         ProviderTableMeta.CONTENT_URI_SHARE,
1029                         null,
1030                         selection, selectionArgs,
1031                         null);
1032
1033             } catch (RemoteException e) {
1034                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
1035                 c = null;
1036             }
1037         }
1038         OCShare share = null;
1039         if (c.moveToFirst()) {
1040             share = createShareInstance(c);
1041         }
1042         c.close();
1043         return share;
1044     }
1045
1046     private OCShare createShareInstance(Cursor c) {
1047         OCShare share = null;
1048         if (c != null) {
1049             share = new OCShare(c.getString(c
1050                     .getColumnIndex(ProviderTableMeta.OCSHARES_PATH)));
1051             share.setId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
1052             share.setFileSource(c.getLong(c
1053                     .getColumnIndex(ProviderTableMeta.OCSHARES_ITEM_SOURCE)));
1054             share.setShareType(ShareType.fromValue(c.getInt(c
1055                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_TYPE))));
1056             share.setShareWith(c.getString(c
1057                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_WITH)));
1058             share.setPermissions(c.getInt(c
1059                     .getColumnIndex(ProviderTableMeta.OCSHARES_PERMISSIONS)));
1060             share.setSharedDate(c.getLong(c
1061                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARED_DATE)));
1062             share.setExpirationDate(c.getLong(c
1063                     .getColumnIndex(ProviderTableMeta.OCSHARES_EXPIRATION_DATE)));
1064             share.setToken(c.getString(c
1065                     .getColumnIndex(ProviderTableMeta.OCSHARES_TOKEN)));
1066             share.setSharedWithDisplayName(c.getString(c
1067                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME)));
1068             share.setIsFolder(c.getInt(
1069                     c.getColumnIndex(ProviderTableMeta.OCSHARES_IS_DIRECTORY)) == 1);
1070             share.setUserId(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_USER_ID)));
1071             share.setIdRemoteShared(c.getLong(
1072                     c.getColumnIndex(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED)));
1073         }
1074         return share;
1075     }
1076
1077     private boolean shareExists(String cmp_key, String value) {
1078         Cursor c;
1079         if (getContentResolver() != null) {
1080             c = getContentResolver()
1081                     .query(ProviderTableMeta.CONTENT_URI_SHARE,
1082                             null,
1083                             cmp_key + "=? AND "
1084                                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
1085                                     + "=?",
1086                             new String[]{value, mAccount.name}, null);
1087         } else {
1088             try {
1089                 c = getContentProviderClient().query(
1090                         ProviderTableMeta.CONTENT_URI_SHARE,
1091                         null,
1092                         cmp_key + "=? AND "
1093                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1094                         new String[]{value, mAccount.name}, null);
1095             } catch (RemoteException e) {
1096                 Log_OC.e(TAG,
1097                         "Couldn't determine file existance, assuming non existance: "
1098                                 + e.getMessage());
1099                 return false;
1100             }
1101         }
1102         boolean retval = c.moveToFirst();
1103         c.close();
1104         return retval;
1105     }
1106
1107     private boolean shareExists(long remoteId) {
1108         return shareExists(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, String.valueOf(remoteId));
1109     }
1110
1111     private void resetShareFlagsInAllFiles() {
1112         ContentValues cv = new ContentValues();
1113         cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, false);
1114         cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, false);
1115         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1116         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?";
1117         String[] whereArgs = new String[]{mAccount.name};
1118
1119         if (getContentResolver() != null) {
1120             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1121
1122         } else {
1123             try {
1124                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where,
1125                         whereArgs);
1126             } catch (RemoteException e) {
1127                 Log_OC.e(TAG, "Exception in resetShareFlagsInAllFiles" + e.getMessage());
1128             }
1129         }
1130     }
1131
1132     private void resetShareFlagsInFolder(OCFile folder) {
1133         ContentValues cv = new ContentValues();
1134         cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, false);
1135         cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, false);
1136         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1137         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1138                 ProviderTableMeta.FILE_PARENT + "=?";
1139         String [] whereArgs = new String[] { mAccount.name , String.valueOf(folder.getFileId()) };
1140
1141         if (getContentResolver() != null) {
1142             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1143
1144         } else {
1145             try {
1146                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where,
1147                         whereArgs);
1148             } catch (RemoteException e) {
1149                 Log_OC.e(TAG, "Exception in resetShareFlagsInFolder " + e.getMessage());
1150             }
1151         }
1152     }
1153
1154     private void resetShareFlagInAFile(String filePath){
1155         ContentValues cv = new ContentValues();
1156         cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, false);
1157         cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, false);
1158         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1159         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1160                 ProviderTableMeta.FILE_PATH+ "=?";
1161         String [] whereArgs = new String[] { mAccount.name , filePath };
1162
1163         if (getContentResolver() != null) {
1164             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1165
1166         } else {
1167             try {
1168                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where,
1169                         whereArgs);
1170             } catch (RemoteException e) {
1171                 Log_OC.e(TAG, "Exception in resetShareFlagsInFolder " + e.getMessage());
1172             }
1173         }
1174     }
1175
1176     private void cleanShares() {
1177         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1178         String[] whereArgs = new String[]{mAccount.name};
1179
1180         if (getContentResolver() != null) {
1181             getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1182
1183         } else {
1184             try {
1185                 getContentProviderClient().delete(ProviderTableMeta.CONTENT_URI_SHARE, where,
1186                         whereArgs);
1187             } catch (RemoteException e) {
1188                 Log_OC.e(TAG, "Exception in cleanShares" + e.getMessage());
1189             }
1190         }
1191     }
1192
1193     public void saveShares(Collection<OCShare> shares) {
1194         cleanShares();
1195         if (shares != null) {
1196             ArrayList<ContentProviderOperation> operations =
1197                     new ArrayList<ContentProviderOperation>(shares.size());
1198
1199             // prepare operations to insert or update files to save in the given folder
1200             for (OCShare share : shares) {
1201                 ContentValues cv = new ContentValues();
1202                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1203                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1204                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1205                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1206                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1207                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1208                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1209                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1210                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1211                 cv.put(
1212                         ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1213                         share.getSharedWithDisplayName()
1214                 );
1215                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1216                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1217                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1218                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1219
1220                 if (shareExists(share.getIdRemoteShared())) {
1221                     // updating an existing file
1222                     operations.add(
1223                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1224                                     withValues(cv).
1225                                     withSelection(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1226                                             new String[]{String.valueOf(share.getIdRemoteShared())})
1227                                     .build());
1228                 } else {
1229                     // adding a new file
1230                     operations.add(
1231                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1232                                     withValues(cv).
1233                                     build()
1234                     );
1235                 }
1236             }
1237
1238             // apply operations in batch
1239             if (operations.size() > 0) {
1240                 @SuppressWarnings("unused")
1241                 ContentProviderResult[] results = null;
1242                 Log_OC.d(TAG, "Sending " + operations.size() +
1243                         " operations to FileContentProvider");
1244                 try {
1245                     if (getContentResolver() != null) {
1246                         results = getContentResolver().applyBatch(MainApp.getAuthority(),
1247                                 operations);
1248                     } else {
1249                         results = getContentProviderClient().applyBatch(operations);
1250                     }
1251
1252                 } catch (OperationApplicationException e) {
1253                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1254
1255                 } catch (RemoteException e) {
1256                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1257                 }
1258             }
1259         }
1260
1261     }
1262
1263     public void updateSharedFiles(Collection<OCFile> sharedFiles) {
1264         resetShareFlagsInAllFiles();
1265
1266         if (sharedFiles != null) {
1267             ArrayList<ContentProviderOperation> operations =
1268                     new ArrayList<ContentProviderOperation>(sharedFiles.size());
1269
1270             // prepare operations to insert or update files to save in the given folder
1271             for (OCFile file : sharedFiles) {
1272                 ContentValues cv = new ContentValues();
1273                 cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
1274                 cv.put(
1275                         ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
1276                         file.getModificationTimestampAtLastSyncForData()
1277                 );
1278                 cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
1279                 cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
1280                 cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
1281                 cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
1282                 cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
1283                 cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
1284                 if (!file.isFolder()) {
1285                     cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
1286                 }
1287                 cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
1288                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
1289                 cv.put(
1290                         ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA,
1291                         file.getLastSyncDateForData()
1292                 );
1293                 cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.isFavorite() ? 1 : 0);
1294                 cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
1295                 cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, file.isSharedViaLink() ? 1 : 0);
1296                 cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, file.isSharedWithSharee() ? 1 : 0);
1297                 cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
1298                 cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
1299                 cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
1300                 cv.put(
1301                         ProviderTableMeta.FILE_UPDATE_THUMBNAIL,
1302                         file.needsUpdateThumbnail() ? 1 : 0
1303                 );
1304                 cv.put(
1305                         ProviderTableMeta.FILE_IS_DOWNLOADING,
1306                         file.isDownloading() ? 1 : 0
1307                 );
1308                 cv.put(ProviderTableMeta.FILE_ETAG_IN_CONFLICT, file.getEtagInConflict());
1309
1310                 boolean existsByPath = fileExists(file.getRemotePath());
1311                 if (existsByPath || fileExists(file.getFileId())) {
1312                     // updating an existing file
1313                     operations.add(
1314                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
1315                                     withValues(cv).
1316                                     withSelection(ProviderTableMeta._ID + "=?",
1317                                             new String[]{String.valueOf(file.getFileId())})
1318                                     .build());
1319
1320                 } else {
1321                     // adding a new file
1322                     operations.add(
1323                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
1324                                     withValues(cv).
1325                                     build()
1326                     );
1327                 }
1328             }
1329
1330             // apply operations in batch
1331             if (operations.size() > 0) {
1332                 @SuppressWarnings("unused")
1333                 ContentProviderResult[] results = null;
1334                 Log_OC.d(TAG, "Sending " + operations.size() +
1335                         " operations to FileContentProvider");
1336                 try {
1337                     if (getContentResolver() != null) {
1338                         results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1339                     } else {
1340                         results = getContentProviderClient().applyBatch(operations);
1341                     }
1342
1343                 } catch (OperationApplicationException e) {
1344                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1345
1346                 } catch (RemoteException e) {
1347                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1348                 }
1349             }
1350         }
1351
1352     }
1353
1354     public void removeShare(OCShare share) {
1355         Uri share_uri = ProviderTableMeta.CONTENT_URI_SHARE;
1356         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?" + " AND " +
1357                 ProviderTableMeta._ID + "=?";
1358         String [] whereArgs = new String[]{mAccount.name, Long.toString(share.getId())};
1359         if (getContentProviderClient() != null) {
1360             try {
1361                 getContentProviderClient().delete(share_uri, where, whereArgs);
1362             } catch (RemoteException e) {
1363                 e.printStackTrace();
1364             }
1365         } else {
1366             getContentResolver().delete(share_uri, where, whereArgs);
1367         }
1368     }
1369
1370     public void saveSharesDB(ArrayList<OCShare> shares) {
1371         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1372
1373         // Reset flags & Remove shares for this files
1374         String filePath = "";
1375         for (OCShare share: shares) {
1376             if (filePath != share.getPath()){
1377                 filePath = share.getPath();
1378                 resetShareFlagInAFile(filePath);
1379                 operations = prepareRemoveSharesInFile(filePath, operations);
1380             }
1381         }
1382
1383        // Add operations to insert shares
1384        operations = prepareInsertShares(shares, operations);
1385
1386         // apply operations in batch
1387         if (operations.size() > 0) {
1388             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1389             try {
1390                 if (getContentResolver() != null) {
1391                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1392
1393                 } else {
1394                     getContentProviderClient().applyBatch(operations);
1395                 }
1396
1397             } catch (OperationApplicationException e) {
1398                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1399
1400             } catch (RemoteException e) {
1401                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1402             }
1403         }
1404
1405 //        // TODO: review if it is needed
1406 //        // Update shared files
1407 //        ArrayList<OCFile> sharedFiles = new ArrayList<OCFile>();
1408 //
1409 //        for (OCShare share : shares) {
1410 //            // Get the path
1411 //            String path = share.getPath();
1412 //            if (share.isFolder()) {
1413 //                path = path + FileUtils.PATH_SEPARATOR;
1414 //            }
1415 //
1416 //            // Update OCFile with data from share: ShareByLink, publicLink and
1417 //            OCFile file = getFileByPath(path);
1418 //            if (file != null) {
1419 //                if (share.getShareType().equals(ShareType.PUBLIC_LINK)) {
1420 //                    file.setShareViaLink(true);
1421 //                    sharedFiles.add(file);
1422 //                }
1423 //            }
1424 //        }
1425 //
1426 //        // TODO: Review
1427 //        updateSharedFiles(sharedFiles);
1428     }
1429
1430
1431     public void saveSharesInFolder(ArrayList<OCShare> shares, OCFile folder) {
1432         resetShareFlagsInFolder(folder);
1433         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1434         operations = prepareRemoveSharesInFolder(folder, operations);
1435
1436         if (shares != null) {
1437             // prepare operations to insert or update files to save in the given folder
1438             operations = prepareInsertShares(shares, operations);
1439         }
1440
1441         // apply operations in batch
1442         if (operations.size() > 0) {
1443             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1444             try {
1445                 if (getContentResolver() != null) {
1446                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1447
1448                 } else {
1449                     getContentProviderClient().applyBatch(operations);
1450                 }
1451
1452             } catch (OperationApplicationException e) {
1453                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1454
1455             } catch (RemoteException e) {
1456
1457             }
1458         }
1459
1460     }
1461
1462     /**
1463      * Prepare operations to insert or update files to save in the given folder
1464      * @param shares        List of shares to insert
1465      * @param operations    List of operations
1466      * @return
1467      */
1468     private ArrayList<ContentProviderOperation> prepareInsertShares(
1469             ArrayList<OCShare> shares, ArrayList<ContentProviderOperation> operations) {
1470
1471         if (shares != null) {
1472             // prepare operations to insert or update files to save in the given folder
1473             for (OCShare share : shares) {
1474                 ContentValues cv = new ContentValues();
1475                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1476                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1477                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1478                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1479                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1480                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1481                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1482                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1483                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1484                 cv.put(
1485                         ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1486                         share.getSharedWithDisplayName()
1487                 );
1488                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1489                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1490                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1491                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1492
1493                 // adding a new share resource
1494                 operations.add(
1495                         ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1496                                 withValues(cv).
1497                                 build()
1498                 );
1499             }
1500         }
1501         return operations;
1502     }
1503
1504     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFolder(
1505             OCFile folder, ArrayList<ContentProviderOperation> preparedOperations) {
1506         if (folder != null) {
1507             String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND "
1508                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1509             String [] whereArgs = new String[]{ "", mAccount.name };
1510
1511             // TODO Enable when "On Device" is recovered ?
1512             Vector<OCFile> files = getFolderContent(folder /*, false*/);
1513
1514             for (OCFile file : files) {
1515                 whereArgs[0] = file.getRemotePath();
1516                 preparedOperations.add(
1517                         ContentProviderOperation.newDelete(ProviderTableMeta.CONTENT_URI_SHARE).
1518                                 withSelection(where, whereArgs).
1519                                 build()
1520                 );
1521             }
1522         }
1523         return preparedOperations;
1524
1525     }
1526
1527     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFile(
1528             String filePath, ArrayList<ContentProviderOperation> preparedOperations) {
1529
1530         String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND "
1531                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1532         String[] whereArgs = new String[]{filePath, mAccount.name};
1533
1534         preparedOperations.add(
1535                 ContentProviderOperation.newDelete(ProviderTableMeta.CONTENT_URI_SHARE).
1536                         withSelection(where, whereArgs).
1537                         build()
1538         );
1539
1540         return preparedOperations;
1541
1542     }
1543
1544     public ArrayList<OCShare> getSharesWithForAFile(String filePath, String accountName){
1545         // Condition
1546         String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND "
1547                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?"+ "AND"
1548                 + " (" + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? OR "
1549                 + ProviderTableMeta.OCSHARES_SHARE_TYPE +  "=? ) ";
1550         String [] whereArgs = new String[]{ filePath, accountName ,
1551                 Integer.toString(ShareType.USER.getValue()),
1552                 Integer.toString(ShareType.GROUP.getValue()) };
1553
1554         Cursor c = null;
1555         if (getContentResolver() != null) {
1556             c = getContentResolver().query(
1557                     ProviderTableMeta.CONTENT_URI_SHARE,
1558                     null, where, whereArgs, null);
1559         } else {
1560             try {
1561                 c = getContentProviderClient().query(
1562                         ProviderTableMeta.CONTENT_URI_SHARE,
1563                         null, where, whereArgs, null);
1564
1565             } catch (RemoteException e) {
1566                 Log_OC.e(TAG, "Could not get list of shares with: " + e.getMessage());
1567                 c = null;
1568             }
1569         }
1570         ArrayList<OCShare> shares = new ArrayList<OCShare>();
1571         OCShare share = null;
1572         if (c.moveToFirst()) {
1573             do {
1574                 share = createShareInstance(c);
1575                 shares.add(share);
1576                 // }
1577             } while (c.moveToNext());
1578         }
1579         c.close();
1580
1581         return shares;
1582     }
1583
1584     public void triggerMediaScan(String path) {
1585         Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
1586         intent.setData(Uri.fromFile(new File(path)));
1587         MainApp.getAppContext().sendBroadcast(intent);
1588     }
1589
1590     public void deleteFileInMediaScan(String path) {
1591
1592         String mimetypeString = FileStorageUtils.getMimeTypeFromName(path);
1593         ContentResolver contentResolver = getContentResolver();
1594
1595         if (contentResolver != null) {
1596             if (mimetypeString.startsWith("image/")) {
1597                 // Images
1598                 contentResolver.delete(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
1599                         MediaStore.Images.Media.DATA + "=?", new String[]{path});
1600             } else if (mimetypeString.startsWith("audio/")) {
1601                 // Audio
1602                 contentResolver.delete(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
1603                         MediaStore.Audio.Media.DATA + "=?", new String[]{path});
1604             } else if (mimetypeString.startsWith("video/")) {
1605                 // Video
1606                 contentResolver.delete(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
1607                         MediaStore.Video.Media.DATA + "=?", new String[]{path});
1608             }
1609         } else {
1610             ContentProviderClient contentProviderClient = getContentProviderClient();
1611             try {
1612                 if (mimetypeString.startsWith("image/")) {
1613                     // Images
1614                     contentProviderClient.delete(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
1615                             MediaStore.Images.Media.DATA + "=?", new String[]{path});
1616                 } else if (mimetypeString.startsWith("audio/")) {
1617                     // Audio
1618                     contentProviderClient.delete(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
1619                             MediaStore.Audio.Media.DATA + "=?", new String[]{path});
1620                 } else if (mimetypeString.startsWith("video/")) {
1621                     // Video
1622                     contentProviderClient.delete(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
1623                             MediaStore.Video.Media.DATA + "=?", new String[]{path});
1624                 }
1625             } catch (RemoteException e) {
1626                 Log_OC.e(TAG, "Exception deleting media file in MediaStore " + e.getMessage());
1627             }
1628         }
1629
1630     }
1631
1632     public void saveConflict(OCFile file, String etagInConflict) {
1633         if (!file.isDown()) {
1634             etagInConflict = null;
1635         }
1636         ContentValues cv = new ContentValues();
1637         cv.put(ProviderTableMeta.FILE_ETAG_IN_CONFLICT, etagInConflict);
1638         int updated = 0;
1639         if (getContentResolver() != null) {
1640             updated = getContentResolver().update(
1641                     ProviderTableMeta.CONTENT_URI_FILE,
1642                     cv,
1643                     ProviderTableMeta._ID + "=?",
1644                     new String[] { String.valueOf(file.getFileId())}
1645             );
1646         } else {
1647             try {
1648                 updated = getContentProviderClient().update(
1649                         ProviderTableMeta.CONTENT_URI_FILE,
1650                         cv,
1651                         ProviderTableMeta._ID + "=?",
1652                         new String[]{String.valueOf(file.getFileId())}
1653                 );
1654             } catch (RemoteException e) {
1655                 Log_OC.e(TAG, "Failed saving conflict in database " + e.getMessage());
1656             }
1657         }
1658
1659         Log_OC.d(TAG, "Number of files updated with CONFLICT: " + updated);
1660
1661         if (updated > 0) {
1662             if (etagInConflict != null) {
1663                 /// set conflict in all ancestor folders
1664
1665                 long parentId = file.getParentId();
1666                 Set<String> ancestorIds = new HashSet<String>();
1667                 while (parentId != FileDataStorageManager.ROOT_PARENT_ID) {
1668                     ancestorIds.add(Long.toString(parentId));
1669                     parentId = getFileById(parentId).getParentId();
1670                 }
1671
1672                 if (ancestorIds.size() > 0) {
1673                     StringBuffer whereBuffer = new StringBuffer();
1674                     whereBuffer.append(ProviderTableMeta._ID).append(" IN (");
1675                     for (int i = 0; i < ancestorIds.size() - 1; i++) {
1676                         whereBuffer.append("?,");
1677                     }
1678                     whereBuffer.append("?");
1679                     whereBuffer.append(")");
1680
1681                     if (getContentResolver() != null) {
1682                         updated = getContentResolver().update(
1683                                 ProviderTableMeta.CONTENT_URI_FILE,
1684                                 cv,
1685                                 whereBuffer.toString(),
1686                                 ancestorIds.toArray(new String[]{})
1687                         );
1688                     } else {
1689                         try {
1690                             updated = getContentProviderClient().update(
1691                                     ProviderTableMeta.CONTENT_URI_FILE,
1692                                     cv,
1693                                     whereBuffer.toString(),
1694                                     ancestorIds.toArray(new String[]{})
1695                             );
1696                         } catch (RemoteException e) {
1697                             Log_OC.e(TAG, "Failed saving conflict in database " + e.getMessage());
1698                         }
1699                     }
1700                 } // else file is ROOT folder, no parent to set in conflict
1701
1702             } else {
1703                 /// update conflict in ancestor folders
1704                 // (not directly unset; maybe there are more conflicts below them)
1705                 String parentPath = file.getRemotePath();
1706                 if (parentPath.endsWith(OCFile.PATH_SEPARATOR)) {
1707                     parentPath = parentPath.substring(0, parentPath.length() - 1);
1708                 }
1709                 parentPath = parentPath.substring(0, parentPath.lastIndexOf(OCFile.PATH_SEPARATOR) + 1);
1710
1711                 Log_OC.d(TAG, "checking parents to remove conflict; STARTING with " + parentPath);
1712                 while (parentPath.length() > 0) {
1713
1714                     String where =
1715                             ProviderTableMeta.FILE_ETAG_IN_CONFLICT + " IS NOT NULL AND " +
1716                                     ProviderTableMeta.FILE_CONTENT_TYPE + " != 'DIR' AND " +
1717                                     ProviderTableMeta.FILE_ACCOUNT_OWNER + " = ? AND " +
1718                                     ProviderTableMeta.FILE_PATH + " LIKE ?";
1719                     Cursor descendentsInConflict = getContentResolver().query(
1720                             ProviderTableMeta.CONTENT_URI_FILE,
1721                             new String[]{ProviderTableMeta._ID},
1722                             where,
1723                             new String[]{mAccount.name, parentPath + "%"},
1724                             null
1725                     );
1726                     if (descendentsInConflict == null || descendentsInConflict.getCount() == 0) {
1727                         Log_OC.d(TAG, "NO MORE conflicts in " + parentPath);
1728                         if (getContentResolver() != null) {
1729                             updated = getContentResolver().update(
1730                                     ProviderTableMeta.CONTENT_URI_FILE,
1731                                     cv,
1732                                     ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1733                                             ProviderTableMeta.FILE_PATH + "=?",
1734                                     new String[]{mAccount.name, parentPath}
1735                             );
1736                         } else {
1737                             try {
1738                                 updated = getContentProviderClient().update(
1739                                         ProviderTableMeta.CONTENT_URI_FILE,
1740                                         cv,
1741                                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1742                                                 ProviderTableMeta.FILE_PATH + "=?"
1743                                         , new String[]{mAccount.name, parentPath}
1744                                 );
1745                             } catch (RemoteException e) {
1746                                 Log_OC.e(TAG, "Failed saving conflict in database " + e.getMessage());
1747                             }
1748                         }
1749
1750                     } else {
1751                         Log_OC.d(TAG, "STILL " + descendentsInConflict.getCount() + " in " + parentPath);
1752                     }
1753
1754                     if (descendentsInConflict != null) {
1755                         descendentsInConflict.close();
1756                     }
1757
1758                     parentPath = parentPath.substring(0, parentPath.length() - 1);  // trim last /
1759                     parentPath = parentPath.substring(0, parentPath.lastIndexOf(OCFile.PATH_SEPARATOR) + 1);
1760                     Log_OC.d(TAG, "checking parents to remove conflict; NEXT " + parentPath);
1761                 }
1762             }
1763         }
1764
1765     }
1766
1767     public OCCapability saveCapabilities(OCCapability capability){
1768
1769         // Prepare capabilities data
1770         ContentValues cv = new ContentValues();
1771         cv.put(ProviderTableMeta.CAPABILITIES_ACCOUNT_NAME, mAccount.name);
1772         cv.put(ProviderTableMeta.CAPABILITIES_VERSION_MAYOR, capability.getVersionMayor());
1773         cv.put(ProviderTableMeta.CAPABILITIES_VERSION_MINOR, capability.getVersionMinor());
1774         cv.put(ProviderTableMeta.CAPABILITIES_VERSION_MICRO, capability.getVersionMicro());
1775         cv.put(ProviderTableMeta.CAPABILITIES_VERSION_STRING, capability.getVersionString());
1776         cv.put(ProviderTableMeta.CAPABILITIES_VERSION_EDITION, capability.getVersionEdition());
1777         cv.put(ProviderTableMeta.CAPABILITIES_CORE_POLLINTERVAL, capability.getCorePollinterval());
1778         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_API_ENABLED, capability.getFilesSharingApiEnabled().getValue());
1779         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_ENABLED,
1780                 capability.getFilesSharingPublicEnabled().getValue());
1781         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_PASSWORD_ENFORCED,
1782                 capability.getFilesSharingPublicPasswordEnforced().getValue());
1783         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_EXPIRE_DATE_ENABLED,
1784                 capability.getFilesSharingPublicExpireDateEnabled().getValue());
1785         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_EXPIRE_DATE_DAYS,
1786                 capability.getFilesSharingPublicExpireDateDays());
1787         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_EXPIRE_DATE_ENFORCED,
1788                 capability.getFilesSharingPublicExpireDateEnforced().getValue());
1789         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_SEND_MAIL,
1790                 capability.getFilesSharingPublicSendMail().getValue());
1791         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_UPLOAD,
1792                 capability.getFilesSharingPublicUpload().getValue());
1793         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_USER_SEND_MAIL,
1794                 capability.getFilesSharingUserSendMail().getValue());
1795         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_RESHARING, capability.getFilesSharingResharing().getValue());
1796         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_FEDERATION_OUTGOING,
1797                 capability.getFilesSharingFederationOutgoing().getValue());
1798         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_FEDERATION_INCOMING,
1799                 capability.getFilesSharingFederationIncoming().getValue());
1800         cv.put(ProviderTableMeta.CAPABILITIES_FILES_BIGFILECHUNKING, capability.getFilesBigFileChuncking().getValue());
1801         cv.put(ProviderTableMeta.CAPABILITIES_FILES_UNDELETE, capability.getFilesUndelete().getValue());
1802         cv.put(ProviderTableMeta.CAPABILITIES_FILES_VERSIONING, capability.getFilesVersioning().getValue());
1803
1804         if (capabilityExists(mAccount.name)) {
1805             if (getContentResolver() != null) {
1806                 getContentResolver().update(ProviderTableMeta.CONTENT_URI_CAPABILITIES, cv,
1807                         ProviderTableMeta.CAPABILITIES_ACCOUNT_NAME + "=?",
1808                         new String[]{mAccount.name});
1809             } else {
1810                 try {
1811                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_CAPABILITIES,
1812                             cv, ProviderTableMeta.CAPABILITIES_ACCOUNT_NAME + "=?",
1813                             new String[]{mAccount.name});
1814                 } catch (RemoteException e) {
1815                     Log_OC.e(TAG,
1816                             "Fail to insert insert file to database "
1817                                     + e.getMessage());
1818                 }
1819             }
1820         } else {
1821             Uri result_uri = null;
1822             if (getContentResolver() != null) {
1823                 result_uri = getContentResolver().insert(
1824                         ProviderTableMeta.CONTENT_URI_CAPABILITIES, cv);
1825             } else {
1826                 try {
1827                     result_uri = getContentProviderClient().insert(
1828                             ProviderTableMeta.CONTENT_URI_CAPABILITIES, cv);
1829                 } catch (RemoteException e) {
1830                     Log_OC.e(TAG,
1831                             "Fail to insert insert capability to database "
1832                                     + e.getMessage());
1833                 }
1834             }
1835             if (result_uri != null) {
1836                 long new_id = Long.parseLong(result_uri.getPathSegments()
1837                         .get(1));
1838                 capability.setId(new_id);
1839                 capability.setAccountName(mAccount.name);
1840             }
1841         }
1842
1843         return capability;
1844     }
1845
1846     private boolean capabilityExists(String accountName) {
1847         Cursor c = getCapabilityCursorForAccount(accountName);
1848         boolean exists = false;
1849         if (c != null) {
1850             exists = c.moveToFirst();
1851             c.close();
1852         }
1853         return exists;
1854     }
1855
1856     private Cursor getCapabilityCursorForAccount(String accountName){
1857         Cursor c = null;
1858         if (getContentResolver() != null) {
1859             c = getContentResolver()
1860                     .query(ProviderTableMeta.CONTENT_URI_CAPABILITIES,
1861                             null,
1862                             ProviderTableMeta.CAPABILITIES_ACCOUNT_NAME + "=? ",
1863                             new String[]{accountName}, null);
1864         } else {
1865             try {
1866                 c = getContentProviderClient().query(
1867                         ProviderTableMeta.CONTENT_URI_CAPABILITIES,
1868                         null,
1869                         ProviderTableMeta.CAPABILITIES_ACCOUNT_NAME + "=? ",
1870                         new String[]{accountName}, null);
1871             } catch (RemoteException e) {
1872                 Log_OC.e(TAG,
1873                         "Couldn't determine capability existance, assuming non existance: "
1874                                 + e.getMessage());
1875             }
1876         }
1877
1878         return c;
1879
1880     }
1881     public OCCapability getCapability(String accountName){
1882         OCCapability capability = null;
1883         Cursor c = getCapabilityCursorForAccount(accountName);
1884
1885         if (c.moveToFirst()) {
1886             capability = createCapabilityInstance(c);
1887         }
1888         c.close();
1889         return capability;
1890     }
1891
1892     private OCCapability createCapabilityInstance(Cursor c) {
1893         OCCapability capability = null;
1894         if (c != null) {
1895             capability = new OCCapability();
1896             capability.setId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
1897             capability.setAccountName(c.getString(c
1898                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_ACCOUNT_NAME)));
1899             capability.setVersionMayor(c.getInt(c
1900                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_VERSION_MAYOR)));
1901             capability.setVersionMinor(c.getInt(c
1902                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_VERSION_MINOR)));
1903             capability.setVersionMicro(c.getInt(c
1904                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_VERSION_MICRO)));
1905             capability.setVersionString(c.getString(c
1906                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_VERSION_STRING)));
1907             capability.setVersionEdition(c.getString(c
1908                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_VERSION_EDITION)));
1909             capability.setCorePollinterval(c.getInt(c
1910                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_CORE_POLLINTERVAL)));
1911             capability.setFilesSharingApiEnabled(CapabilityBooleanType.fromValue(c.getInt(c
1912                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_API_ENABLED))));
1913             capability.setFilesSharingPublicEnabled(CapabilityBooleanType.fromValue(c.getInt(c
1914                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_ENABLED))));
1915             capability.setFilesSharingPublicPasswordEnforced(CapabilityBooleanType.fromValue(c.getInt(c
1916                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_PASSWORD_ENFORCED))));
1917             capability.setFilesSharingPublicExpireDateEnabled(CapabilityBooleanType.fromValue(c.getInt(c
1918                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_EXPIRE_DATE_ENABLED))));
1919             capability.setFilesSharingPublicExpireDateDays(c.getInt(c
1920                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_EXPIRE_DATE_DAYS)));
1921             capability.setFilesSharingPublicExpireDateEnforced(CapabilityBooleanType.fromValue(c.getInt(c
1922                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_EXPIRE_DATE_ENFORCED))));
1923             capability.setFilesSharingPublicSendMail(CapabilityBooleanType.fromValue(c.getInt(c
1924                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_SEND_MAIL))));
1925             capability.setFilesSharingPublicUpload(CapabilityBooleanType.fromValue(c.getInt(c
1926                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_UPLOAD))));
1927             capability.setFilesSharingUserSendMail(CapabilityBooleanType.fromValue(c.getInt(c
1928                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_USER_SEND_MAIL))));
1929             capability.setFilesSharingResharing(CapabilityBooleanType.fromValue(c.getInt(c
1930                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_RESHARING))));
1931             capability.setFilesSharingFederationOutgoing(CapabilityBooleanType.fromValue(c.getInt(c
1932                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_FEDERATION_OUTGOING))));
1933             capability.setFilesSharingFederationIncoming(CapabilityBooleanType.fromValue(c.getInt(c
1934                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_FEDERATION_INCOMING))));
1935             capability.setFilesBigFileChuncking(CapabilityBooleanType.fromValue(c.getInt(c
1936                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_FILES_BIGFILECHUNKING))));
1937             capability.setFilesUndelete(CapabilityBooleanType.fromValue(c.getInt(c
1938                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_FILES_UNDELETE))));
1939             capability.setFilesVersioning(CapabilityBooleanType.fromValue(c.getInt(c
1940                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_FILES_VERSIONING))));
1941
1942         }
1943         return capability;
1944     }
1945 }