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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012  Bartek Przybylski
   3  *   Copyright (C) 2012-2013 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package com.owncloud.android.datamodel;
  20
  21 import java.io.File;
  22 import java.util.ArrayList;
  23 import java.util.Collection;
  24 import java.util.Collections;
  25 import java.util.Iterator;
  26 import java.util.Vector;
  27
  28 import com.owncloud.android.MainApp;
  29 import com.owncloud.android.db.ProviderMeta.ProviderTableMeta;
  30 import com.owncloud.android.lib.resources.shares.OCShare;
  31 import com.owncloud.android.lib.resources.shares.ShareType;
  32 import com.owncloud.android.lib.resources.files.FileUtils;
  33 import com.owncloud.android.utils.FileStorageUtils;
  34 import com.owncloud.android.utils.Log_OC;
  35
  36
  37 import android.accounts.Account;
  38 import android.content.ContentProviderClient;
  39 import android.content.ContentProviderOperation;
  40 import android.content.ContentProviderResult;
  41 import android.content.ContentResolver;
  42 import android.content.ContentUris;
  43 import android.content.ContentValues;
  44 import android.content.OperationApplicationException;
  45 import android.database.Cursor;
  46 import android.net.Uri;
  47 import android.os.RemoteException;
  48
  49 public class FileDataStorageManager {
  50
  51     public static final int ROOT_PARENT_ID = 0;
  52
  53     private ContentResolver mContentResolver;
  54     private ContentProviderClient mContentProviderClient;
  55     private Account mAccount;
  56
  57     private static String TAG = FileDataStorageManager.class.getSimpleName();
  58
  59
  60     public FileDataStorageManager(Account account, ContentResolver cr) {
  61         mContentProviderClient = null;
  62         mContentResolver = cr;
  63         mAccount = account;
  64     }
  65
  66     public FileDataStorageManager(Account account, ContentProviderClient cp) {
  67         mContentProviderClient = cp;
  68         mContentResolver = null;
  69         mAccount = account;
  70     }
  71
  72
  73     public void setAccount(Account account) {
  74         mAccount = account;
  75     }
  76
  77     public Account getAccount() {
  78         return mAccount;
  79     }
  80
  81     public void setContentResolver(ContentResolver cr) {
  82         mContentResolver = cr;
  83     }
  84
  85     public ContentResolver getContentResolver() {
  86         return mContentResolver;
  87     }
  88
  89     public void setContentProviderClient(ContentProviderClient cp) {
  90         mContentProviderClient = cp;
  91     }
  92
  93     public ContentProviderClient getContentProviderClient() {
  94         return mContentProviderClient;
  95     }
  96
  97
  98     public OCFile getFileByPath(String path) {
  99         Cursor c = getCursorForValue(ProviderTableMeta.FILE_PATH, path);
 100         OCFile file = null;
 101         if (c.moveToFirst()) {
 102             file = createFileInstance(c);
 103         }
 104         c.close();
 105         if (file == null && OCFile.ROOT_PATH.equals(path)) {
 106             return createRootDir(); // root should always exist
 107         }
 108         return file;
 109     }
 110
 111
 112     public OCFile getFileById(long id) {
 113         Cursor c = getCursorForValue(ProviderTableMeta._ID, String.valueOf(id));
 114         OCFile file = null;
 115         if (c.moveToFirst()) {
 116             file = createFileInstance(c);
 117         }
 118         c.close();
 119         return file;
 120     }
 121
 122     public OCFile getFileByLocalPath(String path) {
 123         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 124         OCFile file = null;
 125         if (c.moveToFirst()) {
 126             file = createFileInstance(c);
 127         }
 128         c.close();
 129         return file;
 130     }
 131
 132     public boolean fileExists(long id) {
 133         return fileExists(ProviderTableMeta._ID, String.valueOf(id));
 134     }
 135
 136     public boolean fileExists(String path) {
 137         return fileExists(ProviderTableMeta.FILE_PATH, path);
 138     }
 139
 140
 141     public Vector<OCFile> getFolderContent(OCFile f) {
 142         if (f != null && f.isFolder() && f.getFileId() != -1) {
 143             return getFolderContent(f.getFileId());
 144
 145         } else {
 146             return new Vector<OCFile>();
 147         }
 148     }
 149
 150
 151     public Vector<OCFile> getFolderImages(OCFile folder) {
 152         Vector<OCFile> ret = new Vector<OCFile>();
 153         if (folder != null) {
 154             // TODO better implementation, filtering in the access to database (if possible) instead of here
 155             Vector<OCFile> tmp = getFolderContent(folder);
 156             OCFile current = null;
 157             for (int i=0; i<tmp.size(); i++) {
 158                 current = tmp.get(i);
 159                 if (current.isImage()) {
 160                     ret.add(current);
 161                 }
 162             }
 163         }
 164         return ret;
 165     }
 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(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA, file.getModificationTimestampAtLastSyncForData());
 173         cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 174         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 175         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 176         cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 177         //if (file.getParentId() != DataStorageManager.ROOT_PARENT_ID)
 178             cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 179         cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 180         if (!file.isFolder())
 181             cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 182         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 183         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 184         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 185         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
 186         cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 187         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
 188         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 189
 190         boolean sameRemotePath = fileExists(file.getRemotePath());
 191         if (sameRemotePath ||
 192                 fileExists(file.getFileId())        ) {           // for renamed files; no more delete and create
 193
 194             OCFile oldFile = null;
 195             if (sameRemotePath) {
 196                 oldFile = getFileByPath(file.getRemotePath());
 197                 file.setFileId(oldFile.getFileId());
 198             } else {
 199                 oldFile = getFileById(file.getFileId());
 200             }
 201
 202             overriden = true;
 203             if (getContentResolver() != null) {
 204                 getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv,
 205                         ProviderTableMeta._ID + "=?",
 206                         new String[] { String.valueOf(file.getFileId()) });
 207             } else {
 208                 try {
 209                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI,
 210                             cv, ProviderTableMeta._ID + "=?",
 211                             new String[] { String.valueOf(file.getFileId()) });
 212                 } catch (RemoteException e) {
 213                     Log_OC.e(TAG,
 214                             "Fail to insert insert file to database "
 215                                     + e.getMessage());
 216                 }
 217             }
 218         } else {
 219             Uri result_uri = null;
 220             if (getContentResolver() != null) {
 221                 result_uri = getContentResolver().insert(
 222                         ProviderTableMeta.CONTENT_URI_FILE, cv);
 223             } else {
 224                 try {
 225                     result_uri = getContentProviderClient().insert(
 226                             ProviderTableMeta.CONTENT_URI_FILE, cv);
 227                 } catch (RemoteException e) {
 228                     Log_OC.e(TAG,
 229                             "Fail to insert insert file to database "
 230                                     + e.getMessage());
 231                 }
 232             }
 233             if (result_uri != null) {
 234                 long new_id = Long.parseLong(result_uri.getPathSegments()
 235                         .get(1));
 236                 file.setFileId(new_id);
 237             }
 238         }
 239
 240 //        if (file.isFolder()) {
 241 //            updateFolderSize(file.getFileId());
 242 //        } else {
 243 //            updateFolderSize(file.getParentId());
 244 //        }
 245
 246         return overriden;
 247     }
 248
 249
 250     /**
 251      * Inserts or updates the list of files contained in a given folder.
 252      *
 253      * CALLER IS THE RESPONSIBLE FOR GRANTING RIGHT UPDATE OF INFORMATION, NOT THIS METHOD.
 254      * HERE ONLY DATA CONSISTENCY SHOULD BE GRANTED
 255      *
 256      * @param folder
 257      * @param files
 258      * @param removeNotUpdated
 259      */
 260     public void saveFolder(OCFile folder, Collection<OCFile> updatedFiles, Collection<OCFile> filesToRemove) {
 261
 262         Log_OC.d(TAG,  "Saving folder " + folder.getRemotePath() + " with " + updatedFiles.size() + " children and " + filesToRemove.size() + " files to remove");
 263
 264         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>(updatedFiles.size());
 265
 266         // prepare operations to insert or update files to save in the given folder
 267         for (OCFile file : updatedFiles) {
 268             ContentValues cv = new ContentValues();
 269             cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 270             cv.put(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA, file.getModificationTimestampAtLastSyncForData());
 271             cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 272             cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 273             cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 274             cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 275             //cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 276             cv.put(ProviderTableMeta.FILE_PARENT, folder.getFileId());
 277             cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 278             if (!file.isFolder()) {
 279                 cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 280             }
 281             cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 282             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 283             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 284             cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
 285             cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 286             cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
 287             cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 288
 289             boolean existsByPath = fileExists(file.getRemotePath());
 290             if (existsByPath || fileExists(file.getFileId())) {
 291                 // updating an existing file
 292                 operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 293                         withValues(cv).
 294                         withSelection(  ProviderTableMeta._ID + "=?",
 295                                 new String[] { String.valueOf(file.getFileId()) })
 296                                 .build());
 297
 298             } else {
 299                 // adding a new file
 300                 operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).withValues(cv).build());
 301             }
 302         }
 303
 304         // prepare operations to remove files in the given folder
 305         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " + ProviderTableMeta.FILE_PATH + "=?";
 306         String [] whereArgs = null;
 307         for (OCFile file : filesToRemove) {
 308             if (file.getParentId() == folder.getFileId()) {
 309                 whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 310                 //Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE, "" + file.getFileId());
 311                 if (file.isFolder()) {
 312                     operations.add(ContentProviderOperation
 313                                     .newDelete(ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_DIR, file.getFileId())).withSelection(where, whereArgs)
 314                                         .build());
 315                     // TODO remove local folder
 316                 } else {
 317                     operations.add(ContentProviderOperation
 318                                     .newDelete(ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_FILE, file.getFileId())).withSelection(where, whereArgs)
 319                                         .build());
 320                     if (file.isDown()) {
 321                         new File(file.getStoragePath()).delete();
 322                         // TODO move the deletion of local contents after success of deletions
 323                     }
 324                 }
 325             }
 326         }
 327
 328         // update metadata of folder
 329         ContentValues cv = new ContentValues();
 330         cv.put(ProviderTableMeta.FILE_MODIFIED, folder.getModificationTimestamp());
 331         cv.put(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA, folder.getModificationTimestampAtLastSyncForData());
 332         cv.put(ProviderTableMeta.FILE_CREATION, folder.getCreationTimestamp());
 333         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, 0);   // FileContentProvider calculates the right size
 334         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, folder.getMimetype());
 335         cv.put(ProviderTableMeta.FILE_NAME, folder.getFileName());
 336         cv.put(ProviderTableMeta.FILE_PARENT, folder.getParentId());
 337         cv.put(ProviderTableMeta.FILE_PATH, folder.getRemotePath());
 338         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 339         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, folder.getLastSyncDateForProperties());
 340         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, folder.getLastSyncDateForData());
 341         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, folder.keepInSync() ? 1 : 0);
 342         cv.put(ProviderTableMeta.FILE_ETAG, folder.getEtag());
 343         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, folder.isShareByLink() ? 1 : 0);
 344         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, folder.getPublicLink());
 345
 346         operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 347                 withValues(cv).
 348                 withSelection(  ProviderTableMeta._ID + "=?",
 349                         new String[] { String.valueOf(folder.getFileId()) })
 350                         .build());
 351
 352         // apply operations in batch
 353         ContentProviderResult[] results = null;
 354         Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
 355         try {
 356             if (getContentResolver() != null) {
 357                 results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 358
 359             } else {
 360                 results = getContentProviderClient().applyBatch(operations);
 361             }
 362
 363         } catch (OperationApplicationException e) {
 364             Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
 365
 366         } catch (RemoteException e) {
 367             Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
 368         }
 369
 370         // update new id in file objects for insertions
 371         if (results != null) {
 372             long newId;
 373             Iterator<OCFile> filesIt = updatedFiles.iterator();
 374             OCFile file = null;
 375             for (int i=0; i<results.length; i++) {
 376                 if (filesIt.hasNext()) {
 377                     file = filesIt.next();
 378                 } else {
 379                     file = null;
 380                 }
 381                 if (results[i].uri != null) {
 382                     newId = Long.parseLong(results[i].uri.getPathSegments().get(1));
 383                     //updatedFiles.get(i).setFileId(newId);
 384                     if (file != null) {
 385                         file.setFileId(newId);
 386                     }
 387                 }
 388             }
 389         }
 390
 391         //updateFolderSize(folder.getFileId());
 392
 393     }
 394
 395
 396 //    /**
 397 //     *
 398 //     * @param id
 399 //     */
 400 //    private void updateFolderSize(long id) {
 401 //        if (id > FileDataStorageManager.ROOT_PARENT_ID) {
 402 //            Log_OC.d(TAG, "Updating size of " + id);
 403 //            if (getContentResolver() != null) {
 404 //                getContentResolver().update(ProviderTableMeta.CONTENT_URI_DIR,
 405 //                        new ContentValues(),    // won't be used, but cannot be null; crashes in KLP
 406 //                        ProviderTableMeta._ID + "=?",
 407 //                        new String[] { String.valueOf(id) });
 408 //            } else {
 409 //                try {
 410 //                    getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_DIR,
 411 //                            new ContentValues(),    // won't be used, but cannot be null; crashes in KLP
 412 //                            ProviderTableMeta._ID + "=?",
 413 //                            new String[] { String.valueOf(id) });
 414 //
 415 //                } catch (RemoteException e) {
 416 //                    Log_OC.e(TAG, "Exception in update of folder size through compatibility patch " + e.getMessage());
 417 //                }
 418 //            }
 419 //        } else {
 420 //            Log_OC.e(TAG,  "not updating size for folder " + id);
 421 //        }
 422 //    }
 423
 424
 425     public void removeFile(OCFile file, boolean removeDBData, boolean removeLocalCopy) {
 426         if (file != null) {
 427             if (file.isFolder()) {
 428                 removeFolder(file, removeDBData, removeLocalCopy);
 429
 430             } else {
 431                 if (removeDBData) {
 432                     //Uri file_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE, ""+file.getFileId());
 433                     Uri file_uri = ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_FILE, file.getFileId());
 434                     String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " + ProviderTableMeta.FILE_PATH + "=?";
 435                     String [] whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 436                     if (getContentProviderClient() != null) {
 437                         try {
 438                             getContentProviderClient().delete(file_uri, where, whereArgs);
 439                         } catch (RemoteException e) {
 440                             e.printStackTrace();
 441                         }
 442                     } else {
 443                         getContentResolver().delete(file_uri, where, whereArgs);
 444                     }
 445                     //updateFolderSize(file.getParentId());
 446                 }
 447                 if (removeLocalCopy && file.isDown() && file.getStoragePath() != null) {
 448                     boolean success = new File(file.getStoragePath()).delete();
 449                     if (!removeDBData && success) {
 450                         // maybe unnecessary, but should be checked TODO remove if unnecessary
 451                         file.setStoragePath(null);
 452                         saveFile(file);
 453                     }
 454                 }
 455             }
 456         }
 457     }
 458
 459
 460     public void removeFolder(OCFile folder, boolean removeDBData, boolean removeLocalContent) {
 461         if (folder != null && folder.isFolder()) {
 462             if (removeDBData &&  folder.getFileId() != -1) {
 463                 removeFolderInDb(folder);
 464             }
 465             if (removeLocalContent) {
 466                 File localFolder = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, folder));
 467                 removeLocalFolder(localFolder);
 468             }
 469         }
 470     }
 471
 472     private void removeFolderInDb(OCFile folder) {
 473         Uri folder_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, ""+ folder.getFileId());   // URI for recursive deletion
 474         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " + ProviderTableMeta.FILE_PATH + "=?";
 475         String [] whereArgs = new String[]{mAccount.name, folder.getRemotePath()};
 476         if (getContentProviderClient() != null) {
 477             try {
 478                 getContentProviderClient().delete(folder_uri, where, whereArgs);
 479             } catch (RemoteException e) {
 480                 e.printStackTrace();
 481             }
 482         } else {
 483             getContentResolver().delete(folder_uri, where, whereArgs);
 484         }
 485         //updateFolderSize(folder.getParentId());
 486     }
 487
 488     private void removeLocalFolder(File folder) {
 489         if (folder.exists()) {
 490             File[] files = folder.listFiles();
 491             if (files != null) {
 492                 for (File file : files) {
 493                     if (file.isDirectory()) {
 494                         removeLocalFolder(file);
 495                     } else {
 496                         file.delete();
 497                     }
 498                 }
 499             }
 500             folder.delete();
 501         }
 502     }
 503
 504     /**
 505      * Updates database for a folder that was moved to a different location.
 506      *
 507      * TODO explore better (faster) implementations
 508      * TODO throw exceptions up !
 509      */
 510     public void moveFolder(OCFile folder, String newPath) {
 511         // TODO check newPath
 512
 513         if (folder != null && folder.isFolder() && folder.fileExists() && !OCFile.ROOT_PATH.equals(folder.getFileName())) {
 514             /// 1. get all the descendants of 'dir' in a single QUERY (including 'dir')
 515             Cursor c = null;
 516             if (getContentProviderClient() != null) {
 517                 try {
 518                     c = getContentProviderClient().query(ProviderTableMeta.CONTENT_URI,
 519                             null,
 520                             ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " + ProviderTableMeta.FILE_PATH + " LIKE ? ",
 521                             new String[] { mAccount.name, folder.getRemotePath() + "%"  }, ProviderTableMeta.FILE_PATH + " ASC ");
 522                 } catch (RemoteException e) {
 523                     Log_OC.e(TAG, e.getMessage());
 524                 }
 525             } else {
 526                 c = getContentResolver().query(ProviderTableMeta.CONTENT_URI,
 527                         null,
 528                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " + ProviderTableMeta.FILE_PATH + " LIKE ? ",
 529                         new String[] { mAccount.name, folder.getRemotePath() + "%"  }, ProviderTableMeta.FILE_PATH + " ASC ");
 530             }
 531
 532             /// 2. prepare a batch of update operations to change all the descendants
 533             ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>(c.getCount());
 534             int lengthOfOldPath = folder.getRemotePath().length();
 535             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 536             int lengthOfOldStoragePath = defaultSavePath.length() + lengthOfOldPath;
 537             if (c.moveToFirst()) {
 538                 do {
 539                     ContentValues cv = new ContentValues(); // don't take the constructor out of the loop and clear the object
 540                     OCFile child = createFileInstance(c);
 541                     cv.put(ProviderTableMeta.FILE_PATH, newPath + child.getRemotePath().substring(lengthOfOldPath));
 542                     if (child.getStoragePath() != null && child.getStoragePath().startsWith(defaultSavePath)) {
 543                         cv.put(ProviderTableMeta.FILE_STORAGE_PATH, defaultSavePath + newPath + child.getStoragePath().substring(lengthOfOldStoragePath));
 544                     }
 545                     operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 546                             withValues(cv).
 547                             withSelection(  ProviderTableMeta._ID + "=?",
 548                                     new String[] { String.valueOf(child.getFileId()) })
 549                                     .build());
 550                 } while (c.moveToNext());
 551             }
 552             c.close();
 553
 554             /// 3. apply updates in batch
 555             try {
 556                 if (getContentResolver() != null) {
 557                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 558
 559                 } else {
 560                     getContentProviderClient().applyBatch(operations);
 561                 }
 562
 563             } catch (OperationApplicationException e) {
 564                 Log_OC.e(TAG, "Fail to update descendants of " + folder.getFileId() + " in database", e);
 565
 566             } catch (RemoteException e) {
 567                 Log_OC.e(TAG, "Fail to update desendants of " + folder.getFileId() + " in database", e);
 568             }
 569
 570         }
 571     }
 572
 573
 574     private Vector<OCFile> getFolderContent(long parentId) {
 575
 576         Vector<OCFile> ret = new Vector<OCFile>();
 577
 578         Uri req_uri = Uri.withAppendedPath(
 579                 ProviderTableMeta.CONTENT_URI_DIR,
 580                 String.valueOf(parentId));
 581         Cursor c = null;
 582
 583         if (getContentProviderClient() != null) {
 584             try {
 585                 c = getContentProviderClient().query(req_uri, null,
 586                         ProviderTableMeta.FILE_PARENT + "=?" ,
 587                         new String[] { String.valueOf(parentId)}, null);
 588             } catch (RemoteException e) {
 589                 Log_OC.e(TAG, e.getMessage());
 590                 return ret;
 591             }
 592         } else {
 593             c = getContentResolver().query(req_uri, null,
 594                     ProviderTableMeta.FILE_PARENT + "=?" ,
 595                     new String[] { String.valueOf(parentId)}, null);
 596         }
 597
 598         if (c.moveToFirst()) {
 599             do {
 600                 OCFile child = createFileInstance(c);
 601                 ret.add(child);
 602             } while (c.moveToNext());
 603         }
 604
 605         c.close();
 606
 607         Collections.sort(ret);
 608
 609         return ret;
 610     }
 611
 612
 613     public Cursor getContent(long parentId) {
 614         Uri req_uri = Uri.withAppendedPath(
 615                 ProviderTableMeta.CONTENT_URI_DIR,
 616                 String.valueOf(parentId));
 617         Cursor c = null;
 618
 619         if (getContentProviderClient() != null) {
 620             try {
 621                 c = getContentProviderClient().query(req_uri, null,
 622                         ProviderTableMeta.FILE_PARENT + "=?" ,
 623                         new String[] { String.valueOf(parentId)}, null);
 624             } catch (RemoteException e) {
 625                 Log_OC.e(TAG, e.getMessage());
 626                 return c;
 627             }
 628         } else {
 629             c = getContentResolver().query(req_uri, null,
 630                     ProviderTableMeta.FILE_PARENT + "=?" ,
 631                     new String[] { String.valueOf(parentId)}, null);
 632         }
 633
 634         return c;
 635     }
 636
 637     private OCFile createRootDir() {
 638         OCFile file = new OCFile(OCFile.ROOT_PATH);
 639         file.setMimetype("DIR");
 640         file.setParentId(FileDataStorageManager.ROOT_PARENT_ID);
 641         saveFile(file);
 642         return file;
 643     }
 644
 645     private boolean fileExists(String cmp_key, String value) {
 646         Cursor c;
 647         if (getContentResolver() != null) {
 648             c = getContentResolver()
 649                     .query(ProviderTableMeta.CONTENT_URI,
 650                             null,
 651                             cmp_key + "=? AND "
 652                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 653                                     + "=?",
 654                                     new String[] { value, mAccount.name }, null);
 655         } else {
 656             try {
 657                 c = getContentProviderClient().query(
 658                         ProviderTableMeta.CONTENT_URI,
 659                         null,
 660                         cmp_key + "=? AND "
 661                                 + ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
 662                                 new String[] { value, mAccount.name }, null);
 663             } catch (RemoteException e) {
 664                 Log_OC.e(TAG,
 665                         "Couldn't determine file existance, assuming non existance: "
 666                                 + e.getMessage());
 667                 return false;
 668             }
 669         }
 670         boolean retval = c.moveToFirst();
 671         c.close();
 672         return retval;
 673     }
 674
 675     private Cursor getCursorForValue(String key, String value) {
 676         Cursor c = null;
 677         if (getContentResolver() != null) {
 678             c = getContentResolver()
 679                     .query(ProviderTableMeta.CONTENT_URI,
 680                             null,
 681                             key + "=? AND "
 682                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 683                                     + "=?",
 684                                     new String[] { value, mAccount.name }, null);
 685         } else {
 686             try {
 687                 c = getContentProviderClient().query(
 688                         ProviderTableMeta.CONTENT_URI,
 689                         null,
 690                         key + "=? AND " + ProviderTableMeta.FILE_ACCOUNT_OWNER
 691                         + "=?", new String[] { value, mAccount.name },
 692                         null);
 693             } catch (RemoteException e) {
 694                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 695                 c = null;
 696             }
 697         }
 698         return c;
 699     }
 700
 701 //    private Cursor getShareCursorForValue(String key, String value) {
 702 //        Cursor c = null;
 703 //        if (getContentResolver() != null) {
 704 //            c = getContentResolver()
 705 //                    .query(ProviderTableMeta.CONTENT_URI_SHARE,
 706 //                            null,
 707 //                            key + "=? AND "
 708 //                                    + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
 709 //                                    + "=?",
 710 //                                    new String[] { value, mAccount.name }, null);
 711 //        } else {
 712 //            try {
 713 //                c = getContentProviderClient().query(
 714 //                        ProviderTableMeta.CONTENT_URI_SHARE,
 715 //                        null,
 716 //                        key + "=? AND " + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
 717 //                        + "=?", new String[] { value, mAccount.name },
 718 //                        null);
 719 //            } catch (RemoteException e) {
 720 //                Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 721 //                c = null;
 722 //            }
 723 //        }
 724 //        return c;
 725 //    }
 726
 727     public OCFile createFileInstance(Cursor c) {
 728         OCFile file = null;
 729         if (c != null) {
 730             file = new OCFile(c.getString(c
 731                     .getColumnIndex(ProviderTableMeta.FILE_PATH)));
 732             file.setFileId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
 733             file.setParentId(c.getLong(c
 734                     .getColumnIndex(ProviderTableMeta.FILE_PARENT)));
 735             file.setMimetype(c.getString(c
 736                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE)));
 737             if (!file.isFolder()) {
 738                 file.setStoragePath(c.getString(c
 739                         .getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH)));
 740                 if (file.getStoragePath() == null) {
 741                     // try to find existing file and bind it with current account; - with the current update of SynchronizeFolderOperation, this won't be necessary anymore after a full synchronization of the account
 742                     File f = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 743                     if (f.exists()) {
 744                         file.setStoragePath(f.getAbsolutePath());
 745                         file.setLastSyncDateForData(f.lastModified());
 746                     }
 747                 }
 748             }
 749             file.setFileLength(c.getLong(c
 750                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH)));
 751             file.setCreationTimestamp(c.getLong(c
 752                     .getColumnIndex(ProviderTableMeta.FILE_CREATION)));
 753             file.setModificationTimestamp(c.getLong(c
 754                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED)));
 755             file.setModificationTimestampAtLastSyncForData(c.getLong(c
 756                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA)));
 757             file.setLastSyncDateForProperties(c.getLong(c
 758                     .getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE)));
 759             file.setLastSyncDateForData(c.getLong(c.
 760                     getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA)));
 761             file.setKeepInSync(c.getInt(
 762                     c.getColumnIndex(ProviderTableMeta.FILE_KEEP_IN_SYNC)) == 1 ? true : false);
 763             file.setEtag(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG)));
 764             file.setShareByLink(c.getInt(
 765                     c.getColumnIndex(ProviderTableMeta.FILE_SHARE_BY_LINK)) == 1 ? true : false);
 766             file.setPublicLink(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PUBLIC_LINK)));
 767
 768         }
 769         return file;
 770     }
 771
 772     /**
 773      * Returns if the file/folder is shared by link or not
 774      * @param path  Path of the file/folder
 775      * @return
 776      */
 777     public boolean isShareByLink(String path) {
 778         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 779         OCFile file = null;
 780         if (c.moveToFirst()) {
 781             file = createFileInstance(c);
 782         }
 783         c.close();
 784         return file.isShareByLink();
 785     }
 786
 787     /**
 788      * Returns the public link of the file/folder
 789      * @param path  Path of the file/folder
 790      * @return
 791      */
 792     public String getPublicLink(String path) {
 793         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 794         OCFile file = null;
 795         if (c.moveToFirst()) {
 796             file = createFileInstance(c);
 797         }
 798         c.close();
 799         return file.getPublicLink();
 800     }
 801
 802
 803     // Methods for Shares
 804     public boolean saveShare(OCShare share) {
 805         boolean overriden = false;
 806         ContentValues cv = new ContentValues();
 807         cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
 808         cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
 809         cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
 810         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
 811         cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
 812         cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
 813         cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
 814         cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
 815         cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
 816         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME, share.getSharedWithDisplayName());
 817         cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
 818         cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
 819         cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
 820         cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
 821
 822         if (shareExists(share.getIdRemoteShared())) {           // for renamed files; no more delete and create
 823
 824             overriden = true;
 825             if (getContentResolver() != null) {
 826                 getContentResolver().update(ProviderTableMeta.CONTENT_URI_SHARE, cv,
 827                         ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 828                         new String[] { String.valueOf(share.getIdRemoteShared()) });
 829             } else {
 830                 try {
 831                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_SHARE,
 832                             cv, ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 833                             new String[] { String.valueOf(share.getIdRemoteShared()) });
 834                 } catch (RemoteException e) {
 835                     Log_OC.e(TAG,
 836                             "Fail to insert insert file to database "
 837                                     + e.getMessage());
 838                 }
 839             }
 840         } else {
 841             Uri result_uri = null;
 842             if (getContentResolver() != null) {
 843                 result_uri = getContentResolver().insert(
 844                         ProviderTableMeta.CONTENT_URI_SHARE, cv);
 845             } else {
 846                 try {
 847                     result_uri = getContentProviderClient().insert(
 848                             ProviderTableMeta.CONTENT_URI_SHARE, cv);
 849                 } catch (RemoteException e) {
 850                     Log_OC.e(TAG,
 851                             "Fail to insert insert file to database "
 852                                     + e.getMessage());
 853                 }
 854             }
 855             if (result_uri != null) {
 856                 long new_id = Long.parseLong(result_uri.getPathSegments()
 857                         .get(1));
 858                 share.setId(new_id);
 859             }
 860         }
 861
 862         return overriden;
 863     }
 864
 865 //    private OCShare getShareById(long id) {
 866 //        Cursor c = getShareCursorForValue(ProviderTableMeta._ID, String.valueOf(id));
 867 //        OCShare share = null;
 868 //        if (c.moveToFirst()) {
 869 //            share = createShareInstance(c);
 870 //        }
 871 //        c.close();
 872 //        return share;
 873 //    }
 874 //
 875 //    private OCShare getShareByRemoteId(long remoteId) {
 876 //        Cursor c = getShareCursorForValue(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, String.valueOf(remoteId));
 877 //        OCShare share = null;
 878 //        if (c.moveToFirst()) {
 879 //            share = createShareInstance(c);
 880 //        }
 881 //        c.close();
 882 //        return share;
 883 //    }
 884
 885     public OCShare getFirstShareByPathAndType(String path, ShareType type) {
 886         Cursor c = null;
 887         if (getContentResolver() != null) {
 888             c = getContentResolver().query(
 889                     ProviderTableMeta.CONTENT_URI_SHARE,
 890                     null,
 891                     ProviderTableMeta.OCSHARES_PATH + "=? AND "
 892                             + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
 893                             + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
 894                     new String[] { path, Integer.toString(type.getValue()), mAccount.name },
 895                     null);
 896         } else {
 897             try {
 898                 c = getContentProviderClient().query(
 899                         ProviderTableMeta.CONTENT_URI_SHARE,
 900                         null,
 901                         ProviderTableMeta.OCSHARES_PATH + "=? AND "
 902                                 + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
 903                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
 904                         new String[] { path, Integer.toString(type.getValue()), mAccount.name },
 905                         null);
 906
 907             } catch (RemoteException e) {
 908                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 909                 c = null;
 910             }
 911         }
 912         OCShare share = null;
 913         if (c.moveToFirst()) {
 914             share = createShareInstance(c);
 915         }
 916         c.close();
 917         return share;
 918     }
 919
 920     private OCShare createShareInstance(Cursor c) {
 921         OCShare share = null;
 922         if (c != null) {
 923             share = new OCShare(c.getString(c
 924                     .getColumnIndex(ProviderTableMeta.OCSHARES_PATH)));
 925             share.setId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
 926             share.setFileSource(c.getLong(c
 927                     .getColumnIndex(ProviderTableMeta.OCSHARES_ITEM_SOURCE)));
 928             share.setShareType(ShareType.fromValue(c.getInt(c
 929                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_TYPE))));
 930             share.setPermissions(c.getInt(c
 931                     .getColumnIndex(ProviderTableMeta.OCSHARES_PERMISSIONS)));
 932             share.setSharedDate(c.getLong(c
 933                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARED_DATE)));
 934             share.setExpirationDate(c.getLong(c
 935                     .getColumnIndex(ProviderTableMeta.OCSHARES_EXPIRATION_DATE)));
 936             share.setToken(c.getString(c
 937                     .getColumnIndex(ProviderTableMeta.OCSHARES_TOKEN)));
 938             share.setSharedWithDisplayName(c.getString(c
 939                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME)));
 940             share.setIsFolder(c.getInt(
 941                     c.getColumnIndex(ProviderTableMeta.OCSHARES_IS_DIRECTORY)) == 1 ? true : false);
 942             share.setUserId(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_USER_ID)));
 943             share.setIdRemoteShared(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED)));
 944
 945         }
 946         return share;
 947     }
 948
 949     private boolean shareExists(String cmp_key, String value) {
 950         Cursor c;
 951         if (getContentResolver() != null) {
 952             c = getContentResolver()
 953                     .query(ProviderTableMeta.CONTENT_URI_SHARE,
 954                             null,
 955                             cmp_key + "=? AND "
 956                                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
 957                                     + "=?",
 958                                     new String[] { value, mAccount.name }, null);
 959         } else {
 960             try {
 961                 c = getContentProviderClient().query(
 962                         ProviderTableMeta.CONTENT_URI_SHARE,
 963                         null,
 964                         cmp_key + "=? AND "
 965                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
 966                                 new String[] { value, mAccount.name }, null);
 967             } catch (RemoteException e) {
 968                 Log_OC.e(TAG,
 969                         "Couldn't determine file existance, assuming non existance: "
 970                                 + e.getMessage());
 971                 return false;
 972             }
 973         }
 974         boolean retval = c.moveToFirst();
 975         c.close();
 976         return retval;
 977     }
 978
 979     private boolean shareExists(long remoteId) {
 980         return shareExists(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, String.valueOf(remoteId));
 981     }
 982
 983     private void cleanSharedFiles() {
 984         ContentValues cv = new ContentValues();
 985         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
 986         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
 987         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?";
 988         String [] whereArgs = new String[]{mAccount.name};
 989
 990         if (getContentResolver() != null) {
 991             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
 992
 993         } else {
 994             try {
 995                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
 996
 997             } catch (RemoteException e) {
 998                 Log_OC.e(TAG, "Exception in cleanSharedFiles" + e.getMessage());
 999             }
1000         }
1001     }
1002
1003     private void cleanSharedFilesInFolder(OCFile folder) {
1004         ContentValues cv = new ContentValues();
1005         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
1006         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1007         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " + ProviderTableMeta.FILE_PARENT + "=?";
1008         String [] whereArgs = new String[] { mAccount.name , String.valueOf(folder.getFileId()) };
1009
1010         if (getContentResolver() != null) {
1011             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1012
1013         } else {
1014             try {
1015                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1016
1017             } catch (RemoteException e) {
1018                 Log_OC.e(TAG, "Exception in cleanSharedFilesInFolder " + e.getMessage());
1019             }
1020         }
1021     }
1022
1023     private void cleanShares() {
1024         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1025         String [] whereArgs = new String[]{mAccount.name};
1026
1027         if (getContentResolver() != null) {
1028             getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1029
1030         } else {
1031             try {
1032                 getContentProviderClient().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1033
1034             } catch (RemoteException e) {
1035                 Log_OC.e(TAG, "Exception in cleanShares" + e.getMessage());
1036             }
1037         }
1038     }
1039
1040     public void saveShares(Collection<OCShare> shares) {
1041         cleanShares();
1042         if (shares != null) {
1043             ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>(shares.size());
1044
1045             // prepare operations to insert or update files to save in the given folder
1046             for (OCShare share : shares) {
1047                 ContentValues cv = new ContentValues();
1048                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1049                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1050                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1051                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1052                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1053                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1054                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1055                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1056                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1057                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME, share.getSharedWithDisplayName());
1058                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1059                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1060                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1061                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1062
1063                 if (shareExists(share.getIdRemoteShared())) {
1064                     // updating an existing file
1065                     operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1066                             withValues(cv).
1067                             withSelection(  ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1068                                     new String[] { String.valueOf(share.getIdRemoteShared()) })
1069                                     .build());
1070
1071                 } else {
1072                     // adding a new file
1073                     operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).withValues(cv).build());
1074                 }
1075             }
1076
1077             // apply operations in batch
1078             if (operations.size() > 0) {
1079                 @SuppressWarnings("unused")
1080                 ContentProviderResult[] results = null;
1081                 Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1082                 try {
1083                     if (getContentResolver() != null) {
1084                         results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1085
1086                     } else {
1087                         results = getContentProviderClient().applyBatch(operations);
1088                     }
1089
1090                 } catch (OperationApplicationException e) {
1091                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1092
1093                 } catch (RemoteException e) {
1094                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1095                 }
1096             }
1097         }
1098
1099     }
1100
1101     public void updateSharedFiles(Collection<OCFile> sharedFiles) {
1102         cleanSharedFiles();
1103
1104         if (sharedFiles != null) {
1105             ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>(sharedFiles.size());
1106
1107             // prepare operations to insert or update files to save in the given folder
1108             for (OCFile file : sharedFiles) {
1109                 ContentValues cv = new ContentValues();
1110                 cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
1111                 cv.put(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA, file.getModificationTimestampAtLastSyncForData());
1112                 cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
1113                 cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
1114                 cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
1115                 cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
1116                 cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
1117                 cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
1118                 if (!file.isFolder()) {
1119                     cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
1120                 }
1121                 cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
1122                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
1123                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
1124                 cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
1125                 cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
1126                 cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
1127                 cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
1128
1129                 boolean existsByPath = fileExists(file.getRemotePath());
1130                 if (existsByPath || fileExists(file.getFileId())) {
1131                     // updating an existing file
1132                     operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
1133                             withValues(cv).
1134                             withSelection(  ProviderTableMeta._ID + "=?",
1135                                     new String[] { String.valueOf(file.getFileId()) })
1136                                     .build());
1137
1138                 } else {
1139                     // adding a new file
1140                     operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).withValues(cv).build());
1141                 }
1142             }
1143
1144             // apply operations in batch
1145             if (operations.size() > 0) {
1146                 @SuppressWarnings("unused")
1147                 ContentProviderResult[] results = null;
1148                 Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1149                 try {
1150                     if (getContentResolver() != null) {
1151                         results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1152
1153                     } else {
1154                         results = getContentProviderClient().applyBatch(operations);
1155                     }
1156
1157                 } catch (OperationApplicationException e) {
1158                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1159
1160                 } catch (RemoteException e) {
1161                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1162                 }
1163             }
1164         }
1165
1166     }
1167
1168     public void removeShare(OCShare share){
1169         Uri share_uri = ProviderTableMeta.CONTENT_URI_SHARE;
1170         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?" + " AND " + ProviderTableMeta.FILE_PATH + "=?";
1171         String [] whereArgs = new String[]{mAccount.name, share.getPath()};
1172         if (getContentProviderClient() != null) {
1173             try {
1174                 getContentProviderClient().delete(share_uri, where, whereArgs);
1175             } catch (RemoteException e) {
1176                 e.printStackTrace();
1177             }
1178         } else {
1179             getContentResolver().delete(share_uri, where, whereArgs);
1180         }
1181     }
1182
1183     public void saveSharesDB(ArrayList<OCShare> shares) {
1184         saveShares(shares);
1185
1186         ArrayList<OCFile> sharedFiles = new ArrayList<OCFile>();
1187
1188         for (OCShare share : shares) {
1189             // Get the path
1190             String path = share.getPath();
1191             if (share.isFolder()) {
1192                 path = path + FileUtils.PATH_SEPARATOR;
1193             }
1194
1195             // Update OCFile with data from share: ShareByLink  ¿and publicLink?
1196             OCFile file = getFileByPath(path);
1197             if (file != null) {
1198                 if (share.getShareType().equals(ShareType.PUBLIC_LINK)) {
1199                     file.setShareByLink(true);
1200                     sharedFiles.add(file);
1201                 }
1202             }
1203         }
1204
1205         updateSharedFiles(sharedFiles);
1206     }
1207
1208
1209     public void saveSharesInFolder(ArrayList<OCShare> shares, OCFile folder) {
1210         cleanSharedFilesInFolder(folder);
1211         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1212         operations = prepareRemoveSharesInFolder(folder, operations);
1213
1214         if (shares != null) {
1215             // prepare operations to insert or update files to save in the given folder
1216             for (OCShare share : shares) {
1217                 ContentValues cv = new ContentValues();
1218                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1219                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1220                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1221                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1222                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1223                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1224                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1225                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1226                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1227                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME, share.getSharedWithDisplayName());
1228                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1229                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1230                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1231                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1232
1233                 /*
1234                 if (shareExists(share.getIdRemoteShared())) {
1235                     // updating an existing share resource
1236                     operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1237                             withValues(cv).
1238                             withSelection(  ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1239                                     new String[] { String.valueOf(share.getIdRemoteShared()) })
1240                                     .build());
1241
1242                 } else {
1243                 */
1244                 // adding a new share resource
1245                 operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).withValues(cv).build());
1246                 //}
1247             }
1248         }
1249
1250         // apply operations in batch
1251         if (operations.size() > 0) {
1252             @SuppressWarnings("unused")
1253             ContentProviderResult[] results = null;
1254             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1255             try {
1256                 if (getContentResolver() != null) {
1257                     results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1258
1259                 } else {
1260                     results = getContentProviderClient().applyBatch(operations);
1261                 }
1262
1263             } catch (OperationApplicationException e) {
1264                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1265
1266             } catch (RemoteException e) {
1267                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1268             }
1269         }
1270         //}
1271
1272     }
1273
1274     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFolder(OCFile folder, ArrayList<ContentProviderOperation> preparedOperations) {
1275         if (folder != null) {
1276             String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND " + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1277             String [] whereArgs = new String[]{ "", mAccount.name };
1278
1279             Vector<OCFile> files = getFolderContent(folder);
1280
1281             for (OCFile file : files) {
1282                 whereArgs[0] = file.getRemotePath();
1283                 preparedOperations.add(ContentProviderOperation.newDelete(ProviderTableMeta.CONTENT_URI_SHARE)
1284                         .withSelection(where, whereArgs)
1285                         .build());
1286             }
1287         }
1288         return preparedOperations;
1289
1290         /*
1291         if (operations.size() > 0) {
1292             try {
1293                 if (getContentResolver() != null) {
1294                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1295
1296                 } else {
1297                     getContentProviderClient().applyBatch(operations);
1298                 }
1299
1300             } catch (OperationApplicationException e) {
1301                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1302
1303             } catch (RemoteException e) {
1304                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1305             }
1306         }
1307         */
1308
1309             /*
1310             if (getContentResolver() != null) {
1311
1312                 getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE,
1313                                             where,
1314                                             whereArgs);
1315             } else {
1316                 try {
1317                     getContentProviderClient().delete(  ProviderTableMeta.CONTENT_URI_SHARE,
1318                                                         where,
1319                                                         whereArgs);
1320
1321                 } catch (RemoteException e) {
1322                     Log_OC.e(TAG, "Exception deleting shares in a folder " + e.getMessage());
1323                 }
1324             }
1325             */
1326         //}
1327     }
1328 }