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     private OCFile createRootDir() {
 614         OCFile file = new OCFile(OCFile.ROOT_PATH);
 615         file.setMimetype("DIR");
 616         file.setParentId(FileDataStorageManager.ROOT_PARENT_ID);
 617         saveFile(file);
 618         return file;
 619     }
 620
 621     private boolean fileExists(String cmp_key, String value) {
 622         Cursor c;
 623         if (getContentResolver() != null) {
 624             c = getContentResolver()
 625                     .query(ProviderTableMeta.CONTENT_URI,
 626                             null,
 627                             cmp_key + "=? AND "
 628                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 629                                     + "=?",
 630                                     new String[] { value, mAccount.name }, null);
 631         } else {
 632             try {
 633                 c = getContentProviderClient().query(
 634                         ProviderTableMeta.CONTENT_URI,
 635                         null,
 636                         cmp_key + "=? AND "
 637                                 + ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
 638                                 new String[] { value, mAccount.name }, null);
 639             } catch (RemoteException e) {
 640                 Log_OC.e(TAG,
 641                         "Couldn't determine file existance, assuming non existance: "
 642                                 + e.getMessage());
 643                 return false;
 644             }
 645         }
 646         boolean retval = c.moveToFirst();
 647         c.close();
 648         return retval;
 649     }
 650
 651     private Cursor getCursorForValue(String key, String value) {
 652         Cursor c = null;
 653         if (getContentResolver() != null) {
 654             c = getContentResolver()
 655                     .query(ProviderTableMeta.CONTENT_URI,
 656                             null,
 657                             key + "=? AND "
 658                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 659                                     + "=?",
 660                                     new String[] { value, mAccount.name }, null);
 661         } else {
 662             try {
 663                 c = getContentProviderClient().query(
 664                         ProviderTableMeta.CONTENT_URI,
 665                         null,
 666                         key + "=? AND " + ProviderTableMeta.FILE_ACCOUNT_OWNER
 667                         + "=?", new String[] { value, mAccount.name },
 668                         null);
 669             } catch (RemoteException e) {
 670                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 671                 c = null;
 672             }
 673         }
 674         return c;
 675     }
 676
 677     private Cursor getShareCursorForValue(String key, String value) {
 678         Cursor c = null;
 679         if (getContentResolver() != null) {
 680             c = getContentResolver()
 681                     .query(ProviderTableMeta.CONTENT_URI_SHARE,
 682                             null,
 683                             key + "=? AND "
 684                                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
 685                                     + "=?",
 686                                     new String[] { value, mAccount.name }, null);
 687         } else {
 688             try {
 689                 c = getContentProviderClient().query(
 690                         ProviderTableMeta.CONTENT_URI_SHARE,
 691                         null,
 692                         key + "=? AND " + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
 693                         + "=?", new String[] { value, mAccount.name },
 694                         null);
 695             } catch (RemoteException e) {
 696                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 697                 c = null;
 698             }
 699         }
 700         return c;
 701     }
 702
 703     private OCFile createFileInstance(Cursor c) {
 704         OCFile file = null;
 705         if (c != null) {
 706             file = new OCFile(c.getString(c
 707                     .getColumnIndex(ProviderTableMeta.FILE_PATH)));
 708             file.setFileId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
 709             file.setParentId(c.getLong(c
 710                     .getColumnIndex(ProviderTableMeta.FILE_PARENT)));
 711             file.setMimetype(c.getString(c
 712                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE)));
 713             if (!file.isFolder()) {
 714                 file.setStoragePath(c.getString(c
 715                         .getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH)));
 716                 if (file.getStoragePath() == null) {
 717                     // 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
 718                     File f = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 719                     if (f.exists()) {
 720                         file.setStoragePath(f.getAbsolutePath());
 721                         file.setLastSyncDateForData(f.lastModified());
 722                     }
 723                 }
 724             }
 725             file.setFileLength(c.getLong(c
 726                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH)));
 727             file.setCreationTimestamp(c.getLong(c
 728                     .getColumnIndex(ProviderTableMeta.FILE_CREATION)));
 729             file.setModificationTimestamp(c.getLong(c
 730                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED)));
 731             file.setModificationTimestampAtLastSyncForData(c.getLong(c
 732                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA)));
 733             file.setLastSyncDateForProperties(c.getLong(c
 734                     .getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE)));
 735             file.setLastSyncDateForData(c.getLong(c.
 736                     getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA)));
 737             file.setKeepInSync(c.getInt(
 738                     c.getColumnIndex(ProviderTableMeta.FILE_KEEP_IN_SYNC)) == 1 ? true : false);
 739             file.setEtag(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG)));
 740             file.setShareByLink(c.getInt(
 741                     c.getColumnIndex(ProviderTableMeta.FILE_SHARE_BY_LINK)) == 1 ? true : false);
 742             file.setPublicLink(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PUBLIC_LINK)));
 743
 744         }
 745         return file;
 746     }
 747
 748     /**
 749      * Returns if the file/folder is shared by link or not
 750      * @param path  Path of the file/folder
 751      * @return
 752      */
 753     public boolean isShareByLink(String path) {
 754         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 755         OCFile file = null;
 756         if (c.moveToFirst()) {
 757             file = createFileInstance(c);
 758         }
 759         c.close();
 760         return file.isShareByLink();
 761     }
 762
 763     /**
 764      * Returns the public link of the file/folder
 765      * @param path  Path of the file/folder
 766      * @return
 767      */
 768     public String getPublicLink(String path) {
 769         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 770         OCFile file = null;
 771         if (c.moveToFirst()) {
 772             file = createFileInstance(c);
 773         }
 774         c.close();
 775         return file.getPublicLink();
 776     }
 777
 778
 779     // Methods for Shares
 780     public boolean saveShare(OCShare share) {
 781         boolean overriden = false;
 782         ContentValues cv = new ContentValues();
 783         cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
 784         cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
 785         cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
 786         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
 787         cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
 788         cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
 789         cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
 790         cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
 791         cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
 792         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME, share.getSharedWithDisplayName());
 793         cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
 794         cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
 795         cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
 796         cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
 797
 798         if (shareExists(share.getIdRemoteShared())) {           // for renamed files; no more delete and create
 799
 800             overriden = true;
 801             if (getContentResolver() != null) {
 802                 getContentResolver().update(ProviderTableMeta.CONTENT_URI_SHARE, cv,
 803                         ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 804                         new String[] { String.valueOf(share.getIdRemoteShared()) });
 805             } else {
 806                 try {
 807                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_SHARE,
 808                             cv, ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 809                             new String[] { String.valueOf(share.getIdRemoteShared()) });
 810                 } catch (RemoteException e) {
 811                     Log_OC.e(TAG,
 812                             "Fail to insert insert file to database "
 813                                     + e.getMessage());
 814                 }
 815             }
 816         } else {
 817             Uri result_uri = null;
 818             if (getContentResolver() != null) {
 819                 result_uri = getContentResolver().insert(
 820                         ProviderTableMeta.CONTENT_URI_SHARE, cv);
 821             } else {
 822                 try {
 823                     result_uri = getContentProviderClient().insert(
 824                             ProviderTableMeta.CONTENT_URI_SHARE, cv);
 825                 } catch (RemoteException e) {
 826                     Log_OC.e(TAG,
 827                             "Fail to insert insert file to database "
 828                                     + e.getMessage());
 829                 }
 830             }
 831             if (result_uri != null) {
 832                 long new_id = Long.parseLong(result_uri.getPathSegments()
 833                         .get(1));
 834                 share.setId(new_id);
 835             }
 836         }
 837
 838         return overriden;
 839     }
 840
 841     private OCShare getShareById(long id) {
 842         Cursor c = getShareCursorForValue(ProviderTableMeta._ID, String.valueOf(id));
 843         OCShare share = null;
 844         if (c.moveToFirst()) {
 845             share = createShareInstance(c);
 846         }
 847         c.close();
 848         return share;
 849     }
 850
 851     private OCShare getShareByRemoteId(long remoteId) {
 852         Cursor c = getShareCursorForValue(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, String.valueOf(remoteId));
 853         OCShare share = null;
 854         if (c.moveToFirst()) {
 855             share = createShareInstance(c);
 856         }
 857         c.close();
 858         return share;
 859     }
 860
 861     public OCShare getFirstShareByPathAndType(String path, ShareType type) {
 862         Cursor c = null;
 863         if (getContentResolver() != null) {
 864             c = getContentResolver().query(
 865                     ProviderTableMeta.CONTENT_URI_SHARE,
 866                     null,
 867                     ProviderTableMeta.OCSHARES_PATH + "=? AND "
 868                             + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
 869                             + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
 870                     new String[] { path, Integer.toString(type.getValue()), mAccount.name },
 871                     null);
 872         } else {
 873             try {
 874                 c = getContentProviderClient().query(
 875                         ProviderTableMeta.CONTENT_URI_SHARE,
 876                         null,
 877                         ProviderTableMeta.OCSHARES_PATH + "=? AND "
 878                                 + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
 879                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
 880                         new String[] { path, Integer.toString(type.getValue()), mAccount.name },
 881                         null);
 882
 883             } catch (RemoteException e) {
 884                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 885                 c = null;
 886             }
 887         }
 888         OCShare share = null;
 889         if (c.moveToFirst()) {
 890             share = createShareInstance(c);
 891         }
 892         c.close();
 893         return share;
 894     }
 895
 896     private OCShare createShareInstance(Cursor c) {
 897         OCShare share = null;
 898         if (c != null) {
 899             share = new OCShare(c.getString(c
 900                     .getColumnIndex(ProviderTableMeta.OCSHARES_PATH)));
 901             share.setId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
 902             share.setFileSource(c.getLong(c
 903                     .getColumnIndex(ProviderTableMeta.OCSHARES_ITEM_SOURCE)));
 904             share.setShareType(ShareType.fromValue(c.getInt(c
 905                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_TYPE))));
 906             share.setPermissions(c.getInt(c
 907                     .getColumnIndex(ProviderTableMeta.OCSHARES_PERMISSIONS)));
 908             share.setSharedDate(c.getLong(c
 909                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARED_DATE)));
 910             share.setExpirationDate(c.getLong(c
 911                     .getColumnIndex(ProviderTableMeta.OCSHARES_EXPIRATION_DATE)));
 912             share.setToken(c.getString(c
 913                     .getColumnIndex(ProviderTableMeta.OCSHARES_TOKEN)));
 914             share.setSharedWithDisplayName(c.getString(c
 915                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME)));
 916             share.setIsFolder(c.getInt(
 917                     c.getColumnIndex(ProviderTableMeta.OCSHARES_IS_DIRECTORY)) == 1 ? true : false);
 918             share.setUserId(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_USER_ID)));
 919             share.setIdRemoteShared(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED)));
 920
 921         }
 922         return share;
 923     }
 924
 925     private boolean shareExists(String cmp_key, String value) {
 926         Cursor c;
 927         if (getContentResolver() != null) {
 928             c = getContentResolver()
 929                     .query(ProviderTableMeta.CONTENT_URI_SHARE,
 930                             null,
 931                             cmp_key + "=? AND "
 932                                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
 933                                     + "=?",
 934                                     new String[] { value, mAccount.name }, null);
 935         } else {
 936             try {
 937                 c = getContentProviderClient().query(
 938                         ProviderTableMeta.CONTENT_URI_SHARE,
 939                         null,
 940                         cmp_key + "=? AND "
 941                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
 942                                 new String[] { value, mAccount.name }, null);
 943             } catch (RemoteException e) {
 944                 Log_OC.e(TAG,
 945                         "Couldn't determine file existance, assuming non existance: "
 946                                 + e.getMessage());
 947                 return false;
 948             }
 949         }
 950         boolean retval = c.moveToFirst();
 951         c.close();
 952         return retval;
 953     }
 954
 955     private boolean shareExists(long remoteId) {
 956         return shareExists(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, String.valueOf(remoteId));
 957     }
 958
 959     private void cleanSharedFiles() {
 960         ContentValues cv = new ContentValues();
 961         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
 962         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
 963         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?";
 964         String [] whereArgs = new String[]{mAccount.name};
 965
 966         if (getContentResolver() != null) {
 967             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
 968
 969         } else {
 970             try {
 971                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
 972
 973             } catch (RemoteException e) {
 974                 Log_OC.e(TAG, "Exception in cleanSharedFiles" + e.getMessage());
 975             }
 976         }
 977     }
 978
 979     private void cleanSharedFilesInFolder(OCFile folder) {
 980         ContentValues cv = new ContentValues();
 981         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
 982         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
 983         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " + ProviderTableMeta.FILE_PARENT + "=?";
 984         String [] whereArgs = new String[] { mAccount.name , String.valueOf(folder.getFileId()) };
 985
 986         if (getContentResolver() != null) {
 987             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
 988
 989         } else {
 990             try {
 991                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
 992
 993             } catch (RemoteException e) {
 994                 Log_OC.e(TAG, "Exception in cleanSharedFilesInFolder " + e.getMessage());
 995             }
 996         }
 997     }
 998
 999     private void cleanShares() {
1000         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1001         String [] whereArgs = new String[]{mAccount.name};
1002
1003         if (getContentResolver() != null) {
1004             getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1005
1006         } else {
1007             try {
1008                 getContentProviderClient().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1009
1010             } catch (RemoteException e) {
1011                 Log_OC.e(TAG, "Exception in cleanShares" + e.getMessage());
1012             }
1013         }
1014     }
1015
1016     public void saveShares(Collection<OCShare> shares) {
1017         cleanShares();
1018         if (shares != null) {
1019             ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>(shares.size());
1020
1021             // prepare operations to insert or update files to save in the given folder
1022             for (OCShare share : shares) {
1023                 ContentValues cv = new ContentValues();
1024                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1025                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1026                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1027                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1028                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1029                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1030                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1031                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1032                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1033                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME, share.getSharedWithDisplayName());
1034                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1035                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1036                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1037                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1038
1039                 if (shareExists(share.getIdRemoteShared())) {
1040                     // updating an existing file
1041                     operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1042                             withValues(cv).
1043                             withSelection(  ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1044                                     new String[] { String.valueOf(share.getIdRemoteShared()) })
1045                                     .build());
1046
1047                 } else {
1048                     // adding a new file
1049                     operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).withValues(cv).build());
1050                 }
1051             }
1052
1053             // apply operations in batch
1054             if (operations.size() > 0) {
1055                 @SuppressWarnings("unused")
1056                 ContentProviderResult[] results = null;
1057                 Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1058                 try {
1059                     if (getContentResolver() != null) {
1060                         results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1061
1062                     } else {
1063                         results = getContentProviderClient().applyBatch(operations);
1064                     }
1065
1066                 } catch (OperationApplicationException e) {
1067                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1068
1069                 } catch (RemoteException e) {
1070                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1071                 }
1072             }
1073         }
1074
1075     }
1076
1077     public void updateSharedFiles(Collection<OCFile> sharedFiles) {
1078         cleanSharedFiles();
1079
1080         if (sharedFiles != null) {
1081             ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>(sharedFiles.size());
1082
1083             // prepare operations to insert or update files to save in the given folder
1084             for (OCFile file : sharedFiles) {
1085                 ContentValues cv = new ContentValues();
1086                 cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
1087                 cv.put(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA, file.getModificationTimestampAtLastSyncForData());
1088                 cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
1089                 cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
1090                 cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
1091                 cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
1092                 cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
1093                 cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
1094                 if (!file.isFolder()) {
1095                     cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
1096                 }
1097                 cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
1098                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
1099                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
1100                 cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
1101                 cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
1102                 cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
1103                 cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
1104
1105                 boolean existsByPath = fileExists(file.getRemotePath());
1106                 if (existsByPath || fileExists(file.getFileId())) {
1107                     // updating an existing file
1108                     operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
1109                             withValues(cv).
1110                             withSelection(  ProviderTableMeta._ID + "=?",
1111                                     new String[] { String.valueOf(file.getFileId()) })
1112                                     .build());
1113
1114                 } else {
1115                     // adding a new file
1116                     operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).withValues(cv).build());
1117                 }
1118             }
1119
1120             // apply operations in batch
1121             if (operations.size() > 0) {
1122                 @SuppressWarnings("unused")
1123                 ContentProviderResult[] results = null;
1124                 Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1125                 try {
1126                     if (getContentResolver() != null) {
1127                         results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1128
1129                     } else {
1130                         results = getContentProviderClient().applyBatch(operations);
1131                     }
1132
1133                 } catch (OperationApplicationException e) {
1134                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1135
1136                 } catch (RemoteException e) {
1137                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1138                 }
1139             }
1140         }
1141
1142     }
1143
1144     public void removeShare(OCShare share){
1145         Uri share_uri = ProviderTableMeta.CONTENT_URI_SHARE;
1146         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?" + " AND " + ProviderTableMeta.FILE_PATH + "=?";
1147         String [] whereArgs = new String[]{mAccount.name, share.getPath()};
1148         if (getContentProviderClient() != null) {
1149             try {
1150                 getContentProviderClient().delete(share_uri, where, whereArgs);
1151             } catch (RemoteException e) {
1152                 e.printStackTrace();
1153             }
1154         } else {
1155             getContentResolver().delete(share_uri, where, whereArgs);
1156         }
1157     }
1158
1159     public void saveSharesDB(ArrayList<OCShare> shares) {
1160         saveShares(shares);
1161
1162         ArrayList<OCFile> sharedFiles = new ArrayList<OCFile>();
1163
1164         for (OCShare share : shares) {
1165             // Get the path
1166             String path = share.getPath();
1167             if (share.isFolder()) {
1168                 path = path + FileUtils.PATH_SEPARATOR;
1169             }
1170
1171             // Update OCFile with data from share: ShareByLink  ¿and publicLink?
1172             OCFile file = getFileByPath(path);
1173             if (file != null) {
1174                 if (share.getShareType().equals(ShareType.PUBLIC_LINK)) {
1175                     file.setShareByLink(true);
1176                     sharedFiles.add(file);
1177                 }
1178             }
1179         }
1180
1181         updateSharedFiles(sharedFiles);
1182     }
1183
1184
1185     public void saveSharesInFolder(ArrayList<OCShare> shares, OCFile folder) {
1186         cleanSharedFilesInFolder(folder);
1187         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1188         operations = prepareRemoveSharesInFolder(folder, operations);
1189
1190         if (shares != null) {
1191             // prepare operations to insert or update files to save in the given folder
1192             for (OCShare share : shares) {
1193                 ContentValues cv = new ContentValues();
1194                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1195                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1196                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1197                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1198                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1199                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1200                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1201                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1202                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1203                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME, share.getSharedWithDisplayName());
1204                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1205                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1206                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1207                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1208
1209                 /*
1210                 if (shareExists(share.getIdRemoteShared())) {
1211                     // updating an existing share resource
1212                     operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1213                             withValues(cv).
1214                             withSelection(  ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1215                                     new String[] { String.valueOf(share.getIdRemoteShared()) })
1216                                     .build());
1217
1218                 } else {
1219                 */
1220                 // adding a new share resource
1221                 operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).withValues(cv).build());
1222                 //}
1223             }
1224         }
1225
1226         // apply operations in batch
1227         if (operations.size() > 0) {
1228             @SuppressWarnings("unused")
1229             ContentProviderResult[] results = null;
1230             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1231             try {
1232                 if (getContentResolver() != null) {
1233                     results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1234
1235                 } else {
1236                     results = getContentProviderClient().applyBatch(operations);
1237                 }
1238
1239             } catch (OperationApplicationException e) {
1240                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1241
1242             } catch (RemoteException e) {
1243                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1244             }
1245         }
1246         //}
1247
1248     }
1249
1250     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFolder(OCFile folder, ArrayList<ContentProviderOperation> preparedOperations) {
1251         if (folder != null) {
1252             String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND " + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1253             String [] whereArgs = new String[]{ "", mAccount.name };
1254
1255             Vector<OCFile> files = getFolderContent(folder);
1256
1257             for (OCFile file : files) {
1258                 whereArgs[0] = file.getRemotePath();
1259                 preparedOperations.add(ContentProviderOperation.newDelete(ProviderTableMeta.CONTENT_URI_SHARE)
1260                         .withSelection(where, whereArgs)
1261                         .build());
1262             }
1263         }
1264         return preparedOperations;
1265
1266         /*
1267         if (operations.size() > 0) {
1268             try {
1269                 if (getContentResolver() != null) {
1270                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1271
1272                 } else {
1273                     getContentProviderClient().applyBatch(operations);
1274                 }
1275
1276             } catch (OperationApplicationException e) {
1277                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1278
1279             } catch (RemoteException e) {
1280                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1281             }
1282         }
1283         */
1284
1285             /*
1286             if (getContentResolver() != null) {
1287
1288                 getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE,
1289                                             where,
1290                                             whereArgs);
1291             } else {
1292                 try {
1293                     getContentProviderClient().delete(  ProviderTableMeta.CONTENT_URI_SHARE,
1294                                                         where,
1295                                                         whereArgs);
1296
1297                 } catch (RemoteException e) {
1298                     Log_OC.e(TAG, "Exception deleting shares in a folder " + e.getMessage());
1299                 }
1300             }
1301             */
1302         //}
1303     }
1304 }