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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012  Bartek Przybylski
   3  *   Copyright (C) 2012-2014 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         cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 190
 191         boolean sameRemotePath = fileExists(file.getRemotePath());
 192         if (sameRemotePath ||
 193                 fileExists(file.getFileId())        ) {           // for renamed files; no more delete and create
 194
 195             OCFile oldFile = null;
 196             if (sameRemotePath) {
 197                 oldFile = getFileByPath(file.getRemotePath());
 198                 file.setFileId(oldFile.getFileId());
 199             } else {
 200                 oldFile = getFileById(file.getFileId());
 201             }
 202
 203             overriden = true;
 204             if (getContentResolver() != null) {
 205                 getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv,
 206                         ProviderTableMeta._ID + "=?",
 207                         new String[] { String.valueOf(file.getFileId()) });
 208             } else {
 209                 try {
 210                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI,
 211                             cv, ProviderTableMeta._ID + "=?",
 212                             new String[] { String.valueOf(file.getFileId()) });
 213                 } catch (RemoteException e) {
 214                     Log_OC.e(TAG,
 215                             "Fail to insert insert file to database "
 216                                     + e.getMessage());
 217                 }
 218             }
 219         } else {
 220             Uri result_uri = null;
 221             if (getContentResolver() != null) {
 222                 result_uri = getContentResolver().insert(
 223                         ProviderTableMeta.CONTENT_URI_FILE, cv);
 224             } else {
 225                 try {
 226                     result_uri = getContentProviderClient().insert(
 227                             ProviderTableMeta.CONTENT_URI_FILE, cv);
 228                 } catch (RemoteException e) {
 229                     Log_OC.e(TAG,
 230                             "Fail to insert insert file to database "
 231                                     + e.getMessage());
 232                 }
 233             }
 234             if (result_uri != null) {
 235                 long new_id = Long.parseLong(result_uri.getPathSegments()
 236                         .get(1));
 237                 file.setFileId(new_id);
 238             }
 239         }
 240
 241 //        if (file.isFolder()) {
 242 //            updateFolderSize(file.getFileId());
 243 //        } else {
 244 //            updateFolderSize(file.getParentId());
 245 //        }
 246
 247         return overriden;
 248     }
 249
 250
 251     /**
 252      * Inserts or updates the list of files contained in a given folder.
 253      *
 254      * CALLER IS THE RESPONSIBLE FOR GRANTING RIGHT UPDATE OF INFORMATION, NOT THIS METHOD.
 255      * HERE ONLY DATA CONSISTENCY SHOULD BE GRANTED
 256      *
 257      * @param folder
 258      * @param files
 259      * @param removeNotUpdated
 260      */
 261     public void saveFolder(OCFile folder, Collection<OCFile> updatedFiles, Collection<OCFile> filesToRemove) {
 262
 263         Log_OC.d(TAG,  "Saving folder " + folder.getRemotePath() + " with " + updatedFiles.size() + " children and " + filesToRemove.size() + " files to remove");
 264
 265         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>(updatedFiles.size());
 266
 267         // prepare operations to insert or update files to save in the given folder
 268         for (OCFile file : updatedFiles) {
 269             ContentValues cv = new ContentValues();
 270             cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 271             cv.put(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA, file.getModificationTimestampAtLastSyncForData());
 272             cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 273             cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 274             cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 275             cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 276             //cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 277             cv.put(ProviderTableMeta.FILE_PARENT, folder.getFileId());
 278             cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 279             if (!file.isFolder()) {
 280                 cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 281             }
 282             cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 283             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 284             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 285             cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
 286             cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 287             cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
 288             cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 289             cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 290
 291             boolean existsByPath = fileExists(file.getRemotePath());
 292             if (existsByPath || fileExists(file.getFileId())) {
 293                 // updating an existing file
 294                 operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 295                         withValues(cv).
 296                         withSelection(  ProviderTableMeta._ID + "=?",
 297                                 new String[] { String.valueOf(file.getFileId()) })
 298                                 .build());
 299
 300             } else {
 301                 // adding a new file
 302                 operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).withValues(cv).build());
 303             }
 304         }
 305
 306         // prepare operations to remove files in the given folder
 307         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " + ProviderTableMeta.FILE_PATH + "=?";
 308         String [] whereArgs = null;
 309         for (OCFile file : filesToRemove) {
 310             if (file.getParentId() == folder.getFileId()) {
 311                 whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 312                 //Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE, "" + file.getFileId());
 313                 if (file.isFolder()) {
 314                     operations.add(ContentProviderOperation
 315                                     .newDelete(ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_DIR, file.getFileId())).withSelection(where, whereArgs)
 316                                         .build());
 317                     // TODO remove local folder
 318                 } else {
 319                     operations.add(ContentProviderOperation
 320                                     .newDelete(ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_FILE, file.getFileId())).withSelection(where, whereArgs)
 321                                         .build());
 322                     if (file.isDown()) {
 323                         new File(file.getStoragePath()).delete();
 324                         // TODO move the deletion of local contents after success of deletions
 325                     }
 326                 }
 327             }
 328         }
 329
 330         // update metadata of folder
 331         ContentValues cv = new ContentValues();
 332         cv.put(ProviderTableMeta.FILE_MODIFIED, folder.getModificationTimestamp());
 333         cv.put(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA, folder.getModificationTimestampAtLastSyncForData());
 334         cv.put(ProviderTableMeta.FILE_CREATION, folder.getCreationTimestamp());
 335         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, 0);   // FileContentProvider calculates the right size
 336         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, folder.getMimetype());
 337         cv.put(ProviderTableMeta.FILE_NAME, folder.getFileName());
 338         cv.put(ProviderTableMeta.FILE_PARENT, folder.getParentId());
 339         cv.put(ProviderTableMeta.FILE_PATH, folder.getRemotePath());
 340         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 341         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, folder.getLastSyncDateForProperties());
 342         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, folder.getLastSyncDateForData());
 343         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, folder.keepInSync() ? 1 : 0);
 344         cv.put(ProviderTableMeta.FILE_ETAG, folder.getEtag());
 345         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, folder.isShareByLink() ? 1 : 0);
 346         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, folder.getPublicLink());
 347         cv.put(ProviderTableMeta.FILE_PERMISSIONS, folder.getPermissions());
 348
 349         operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 350                 withValues(cv).
 351                 withSelection(  ProviderTableMeta._ID + "=?",
 352                         new String[] { String.valueOf(folder.getFileId()) })
 353                         .build());
 354
 355         // apply operations in batch
 356         ContentProviderResult[] results = null;
 357         Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
 358         try {
 359             if (getContentResolver() != null) {
 360                 results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 361
 362             } else {
 363                 results = getContentProviderClient().applyBatch(operations);
 364             }
 365
 366         } catch (OperationApplicationException e) {
 367             Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
 368
 369         } catch (RemoteException e) {
 370             Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
 371         }
 372
 373         // update new id in file objects for insertions
 374         if (results != null) {
 375             long newId;
 376             Iterator<OCFile> filesIt = updatedFiles.iterator();
 377             OCFile file = null;
 378             for (int i=0; i<results.length; i++) {
 379                 if (filesIt.hasNext()) {
 380                     file = filesIt.next();
 381                 } else {
 382                     file = null;
 383                 }
 384                 if (results[i].uri != null) {
 385                     newId = Long.parseLong(results[i].uri.getPathSegments().get(1));
 386                     //updatedFiles.get(i).setFileId(newId);
 387                     if (file != null) {
 388                         file.setFileId(newId);
 389                     }
 390                 }
 391             }
 392         }
 393
 394         //updateFolderSize(folder.getFileId());
 395
 396     }
 397
 398
 399 //    /**
 400 //     *
 401 //     * @param id
 402 //     */
 403 //    private void updateFolderSize(long id) {
 404 //        if (id > FileDataStorageManager.ROOT_PARENT_ID) {
 405 //            Log_OC.d(TAG, "Updating size of " + id);
 406 //            if (getContentResolver() != null) {
 407 //                getContentResolver().update(ProviderTableMeta.CONTENT_URI_DIR,
 408 //                        new ContentValues(),    // won't be used, but cannot be null; crashes in KLP
 409 //                        ProviderTableMeta._ID + "=?",
 410 //                        new String[] { String.valueOf(id) });
 411 //            } else {
 412 //                try {
 413 //                    getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_DIR,
 414 //                            new ContentValues(),    // won't be used, but cannot be null; crashes in KLP
 415 //                            ProviderTableMeta._ID + "=?",
 416 //                            new String[] { String.valueOf(id) });
 417 //
 418 //                } catch (RemoteException e) {
 419 //                    Log_OC.e(TAG, "Exception in update of folder size through compatibility patch " + e.getMessage());
 420 //                }
 421 //            }
 422 //        } else {
 423 //            Log_OC.e(TAG,  "not updating size for folder " + id);
 424 //        }
 425 //    }
 426
 427
 428     public boolean removeFile(OCFile file, boolean removeDBData, boolean removeLocalCopy) {
 429         boolean success = true;
 430         if (file != null) {
 431             if (file.isFolder()) {
 432                 success = removeFolder(file, removeDBData, removeLocalCopy);
 433
 434             } else {
 435                 if (removeDBData) {
 436                     //Uri file_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE, ""+file.getFileId());
 437                     Uri file_uri = ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_FILE, file.getFileId());
 438                     String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " + ProviderTableMeta.FILE_PATH + "=?";
 439                     String [] whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 440                     int deleted = 0;
 441                     if (getContentProviderClient() != null) {
 442                         try {
 443                             deleted = getContentProviderClient().delete(file_uri, where, whereArgs);
 444                         } catch (RemoteException e) {
 445                             e.printStackTrace();
 446                         }
 447                     } else {
 448                         deleted = getContentResolver().delete(file_uri, where, whereArgs);
 449                     }
 450                     success &= (deleted > 0);
 451                 }
 452                 if (removeLocalCopy && file.isDown() && file.getStoragePath() != null && success) {
 453                     success = new File(file.getStoragePath()).delete();
 454                     if (!removeDBData && success) {
 455                         // maybe unnecessary, but should be checked TODO remove if unnecessary
 456                         file.setStoragePath(null);
 457                         saveFile(file);
 458                     }
 459                 }
 460             }
 461         }
 462         return success;
 463     }
 464
 465
 466     public boolean removeFolder(OCFile folder, boolean removeDBData, boolean removeLocalContent) {
 467         boolean success = true;
 468         if (folder != null && folder.isFolder()) {
 469             if (removeDBData &&  folder.getFileId() != -1) {
 470                 success = removeFolderInDb(folder);
 471             }
 472             if (removeLocalContent && success) {
 473                 success = removeLocalFolder(folder);
 474             }
 475         }
 476         return success;
 477     }
 478
 479     private boolean removeFolderInDb(OCFile folder) {
 480         Uri folder_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, ""+ folder.getFileId());   // URI for recursive deletion
 481         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " + ProviderTableMeta.FILE_PATH + "=?";
 482         String [] whereArgs = new String[]{mAccount.name, folder.getRemotePath()};
 483         int deleted = 0;
 484         if (getContentProviderClient() != null) {
 485             try {
 486                 deleted = getContentProviderClient().delete(folder_uri, where, whereArgs);
 487             } catch (RemoteException e) {
 488                 e.printStackTrace();
 489             }
 490         } else {
 491             deleted = getContentResolver().delete(folder_uri, where, whereArgs);
 492         }
 493         return deleted > 0;
 494     }
 495
 496     private boolean removeLocalFolder(OCFile folder) {
 497         boolean success = true;
 498         File localFolder = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, folder));
 499         if (localFolder.exists()) {
 500             // stage 1: remove the local files already registered in the files database
 501             Vector<OCFile> files = getFolderContent(folder.getFileId());
 502             if (files != null) {
 503                 for (OCFile file : files) {
 504                     if (file.isFolder()) {
 505                         success &= removeLocalFolder(file);
 506                     } else {
 507                         if (file.isDown()) {
 508                             File localFile = new File(file.getStoragePath());
 509                             success &= localFile.delete();
 510                             if (success) {
 511                                 file.setStoragePath(null);
 512                                 saveFile(file);
 513                             }
 514                         }
 515                     }
 516                 }
 517             }
 518
 519             // stage 2: remove the folder itself and any local file inside out of sync;
 520             //          for instance, after clearing the app cache or reinstalling
 521             success &= removeLocalFolder(localFolder);
 522         }
 523         return success;
 524     }
 525
 526     private boolean removeLocalFolder(File localFolder) {
 527         boolean success = true;
 528         File[] localFiles = localFolder.listFiles();
 529         if (localFiles != null) {
 530             for (File localFile : localFiles) {
 531                 if (localFile.isDirectory()) {
 532                     success &= removeLocalFolder(localFile);
 533                 } else {
 534                     success &= localFile.delete();
 535                 }
 536             }
 537         }
 538         success &= localFolder.delete();
 539         return success;
 540     }
 541
 542     /**
 543      * Updates database for a folder that was moved to a different location.
 544      *
 545      * TODO explore better (faster) implementations
 546      * TODO throw exceptions up !
 547      */
 548     public void moveFolder(OCFile folder, String newPath) {
 549         // TODO check newPath
 550
 551         if (folder != null && folder.isFolder() && folder.fileExists() && !OCFile.ROOT_PATH.equals(folder.getFileName())) {
 552             /// 1. get all the descendants of 'dir' in a single QUERY (including 'dir')
 553             Cursor c = null;
 554             if (getContentProviderClient() != null) {
 555                 try {
 556                     c = getContentProviderClient().query(ProviderTableMeta.CONTENT_URI,
 557                             null,
 558                             ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " + ProviderTableMeta.FILE_PATH + " LIKE ? ",
 559                             new String[] { mAccount.name, folder.getRemotePath() + "%"  }, ProviderTableMeta.FILE_PATH + " ASC ");
 560                 } catch (RemoteException e) {
 561                     Log_OC.e(TAG, e.getMessage());
 562                 }
 563             } else {
 564                 c = getContentResolver().query(ProviderTableMeta.CONTENT_URI,
 565                         null,
 566                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " + ProviderTableMeta.FILE_PATH + " LIKE ? ",
 567                         new String[] { mAccount.name, folder.getRemotePath() + "%"  }, ProviderTableMeta.FILE_PATH + " ASC ");
 568             }
 569
 570             /// 2. prepare a batch of update operations to change all the descendants
 571             ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>(c.getCount());
 572             int lengthOfOldPath = folder.getRemotePath().length();
 573             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 574             int lengthOfOldStoragePath = defaultSavePath.length() + lengthOfOldPath;
 575             if (c.moveToFirst()) {
 576                 do {
 577                     ContentValues cv = new ContentValues(); // don't take the constructor out of the loop and clear the object
 578                     OCFile child = createFileInstance(c);
 579                     cv.put(ProviderTableMeta.FILE_PATH, newPath + child.getRemotePath().substring(lengthOfOldPath));
 580                     if (child.getStoragePath() != null && child.getStoragePath().startsWith(defaultSavePath)) {
 581                         cv.put(ProviderTableMeta.FILE_STORAGE_PATH, defaultSavePath + newPath + child.getStoragePath().substring(lengthOfOldStoragePath));
 582                     }
 583                     operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 584                             withValues(cv).
 585                             withSelection(  ProviderTableMeta._ID + "=?",
 586                                     new String[] { String.valueOf(child.getFileId()) })
 587                                     .build());
 588                 } while (c.moveToNext());
 589             }
 590             c.close();
 591
 592             /// 3. apply updates in batch
 593             try {
 594                 if (getContentResolver() != null) {
 595                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 596
 597                 } else {
 598                     getContentProviderClient().applyBatch(operations);
 599                 }
 600
 601             } catch (OperationApplicationException e) {
 602                 Log_OC.e(TAG, "Fail to update descendants of " + folder.getFileId() + " in database", e);
 603
 604             } catch (RemoteException e) {
 605                 Log_OC.e(TAG, "Fail to update desendants of " + folder.getFileId() + " in database", e);
 606             }
 607
 608         }
 609     }
 610
 611
 612     private Vector<OCFile> getFolderContent(long parentId) {
 613
 614         Vector<OCFile> ret = new Vector<OCFile>();
 615
 616         Uri req_uri = Uri.withAppendedPath(
 617                 ProviderTableMeta.CONTENT_URI_DIR,
 618                 String.valueOf(parentId));
 619         Cursor c = null;
 620
 621         if (getContentProviderClient() != null) {
 622             try {
 623                 c = getContentProviderClient().query(req_uri, null,
 624                         ProviderTableMeta.FILE_PARENT + "=?" ,
 625                         new String[] { String.valueOf(parentId)}, null);
 626             } catch (RemoteException e) {
 627                 Log_OC.e(TAG, e.getMessage());
 628                 return ret;
 629             }
 630         } else {
 631             c = getContentResolver().query(req_uri, null,
 632                     ProviderTableMeta.FILE_PARENT + "=?" ,
 633                     new String[] { String.valueOf(parentId)}, null);
 634         }
 635
 636         if (c.moveToFirst()) {
 637             do {
 638                 OCFile child = createFileInstance(c);
 639                 ret.add(child);
 640             } while (c.moveToNext());
 641         }
 642
 643         c.close();
 644
 645         Collections.sort(ret);
 646
 647         return ret;
 648     }
 649
 650
 651     private OCFile createRootDir() {
 652         OCFile file = new OCFile(OCFile.ROOT_PATH);
 653         file.setMimetype("DIR");
 654         file.setParentId(FileDataStorageManager.ROOT_PARENT_ID);
 655         saveFile(file);
 656         return file;
 657     }
 658
 659     private boolean fileExists(String cmp_key, String value) {
 660         Cursor c;
 661         if (getContentResolver() != null) {
 662             c = getContentResolver()
 663                     .query(ProviderTableMeta.CONTENT_URI,
 664                             null,
 665                             cmp_key + "=? AND "
 666                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 667                                     + "=?",
 668                                     new String[] { value, mAccount.name }, null);
 669         } else {
 670             try {
 671                 c = getContentProviderClient().query(
 672                         ProviderTableMeta.CONTENT_URI,
 673                         null,
 674                         cmp_key + "=? AND "
 675                                 + ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
 676                                 new String[] { value, mAccount.name }, null);
 677             } catch (RemoteException e) {
 678                 Log_OC.e(TAG,
 679                         "Couldn't determine file existance, assuming non existance: "
 680                                 + e.getMessage());
 681                 return false;
 682             }
 683         }
 684         boolean retval = c.moveToFirst();
 685         c.close();
 686         return retval;
 687     }
 688
 689     private Cursor getCursorForValue(String key, String value) {
 690         Cursor c = null;
 691         if (getContentResolver() != null) {
 692             c = getContentResolver()
 693                     .query(ProviderTableMeta.CONTENT_URI,
 694                             null,
 695                             key + "=? AND "
 696                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 697                                     + "=?",
 698                                     new String[] { value, mAccount.name }, null);
 699         } else {
 700             try {
 701                 c = getContentProviderClient().query(
 702                         ProviderTableMeta.CONTENT_URI,
 703                         null,
 704                         key + "=? AND " + ProviderTableMeta.FILE_ACCOUNT_OWNER
 705                         + "=?", new String[] { value, mAccount.name },
 706                         null);
 707             } catch (RemoteException e) {
 708                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 709                 c = null;
 710             }
 711         }
 712         return c;
 713     }
 714
 715
 716     private OCFile createFileInstance(Cursor c) {
 717         OCFile file = null;
 718         if (c != null) {
 719             file = new OCFile(c.getString(c
 720                     .getColumnIndex(ProviderTableMeta.FILE_PATH)));
 721             file.setFileId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
 722             file.setParentId(c.getLong(c
 723                     .getColumnIndex(ProviderTableMeta.FILE_PARENT)));
 724             file.setMimetype(c.getString(c
 725                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE)));
 726             if (!file.isFolder()) {
 727                 file.setStoragePath(c.getString(c
 728                         .getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH)));
 729                 if (file.getStoragePath() == null) {
 730                     // 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
 731                     File f = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 732                     if (f.exists()) {
 733                         file.setStoragePath(f.getAbsolutePath());
 734                         file.setLastSyncDateForData(f.lastModified());
 735                     }
 736                 }
 737             }
 738             file.setFileLength(c.getLong(c
 739                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH)));
 740             file.setCreationTimestamp(c.getLong(c
 741                     .getColumnIndex(ProviderTableMeta.FILE_CREATION)));
 742             file.setModificationTimestamp(c.getLong(c
 743                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED)));
 744             file.setModificationTimestampAtLastSyncForData(c.getLong(c
 745                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA)));
 746             file.setLastSyncDateForProperties(c.getLong(c
 747                     .getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE)));
 748             file.setLastSyncDateForData(c.getLong(c.
 749                     getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA)));
 750             file.setKeepInSync(c.getInt(
 751                     c.getColumnIndex(ProviderTableMeta.FILE_KEEP_IN_SYNC)) == 1 ? true : false);
 752             file.setEtag(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG)));
 753             file.setShareByLink(c.getInt(
 754                     c.getColumnIndex(ProviderTableMeta.FILE_SHARE_BY_LINK)) == 1 ? true : false);
 755             file.setPublicLink(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PUBLIC_LINK)));
 756             file.setPermissions(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PERMISSIONS)));
 757
 758         }
 759         return file;
 760     }
 761
 762     /**
 763      * Returns if the file/folder is shared by link or not
 764      * @param path  Path of the file/folder
 765      * @return
 766      */
 767     public boolean isShareByLink(String path) {
 768         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 769         OCFile file = null;
 770         if (c.moveToFirst()) {
 771             file = createFileInstance(c);
 772         }
 773         c.close();
 774         return file.isShareByLink();
 775     }
 776
 777     /**
 778      * Returns the public link of the file/folder
 779      * @param path  Path of the file/folder
 780      * @return
 781      */
 782     public String getPublicLink(String path) {
 783         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 784         OCFile file = null;
 785         if (c.moveToFirst()) {
 786             file = createFileInstance(c);
 787         }
 788         c.close();
 789         return file.getPublicLink();
 790     }
 791
 792
 793     // Methods for Shares
 794     public boolean saveShare(OCShare share) {
 795         boolean overriden = false;
 796         ContentValues cv = new ContentValues();
 797         cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
 798         cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
 799         cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
 800         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
 801         cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
 802         cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
 803         cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
 804         cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
 805         cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
 806         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME, share.getSharedWithDisplayName());
 807         cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
 808         cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
 809         cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
 810         cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
 811
 812         if (shareExists(share.getIdRemoteShared())) {           // for renamed files; no more delete and create
 813
 814             overriden = true;
 815             if (getContentResolver() != null) {
 816                 getContentResolver().update(ProviderTableMeta.CONTENT_URI_SHARE, cv,
 817                         ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 818                         new String[] { String.valueOf(share.getIdRemoteShared()) });
 819             } else {
 820                 try {
 821                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_SHARE,
 822                             cv, ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 823                             new String[] { String.valueOf(share.getIdRemoteShared()) });
 824                 } catch (RemoteException e) {
 825                     Log_OC.e(TAG,
 826                             "Fail to insert insert file to database "
 827                                     + e.getMessage());
 828                 }
 829             }
 830         } else {
 831             Uri result_uri = null;
 832             if (getContentResolver() != null) {
 833                 result_uri = getContentResolver().insert(
 834                         ProviderTableMeta.CONTENT_URI_SHARE, cv);
 835             } else {
 836                 try {
 837                     result_uri = getContentProviderClient().insert(
 838                             ProviderTableMeta.CONTENT_URI_SHARE, cv);
 839                 } catch (RemoteException e) {
 840                     Log_OC.e(TAG,
 841                             "Fail to insert insert file to database "
 842                                     + e.getMessage());
 843                 }
 844             }
 845             if (result_uri != null) {
 846                 long new_id = Long.parseLong(result_uri.getPathSegments()
 847                         .get(1));
 848                 share.setId(new_id);
 849             }
 850         }
 851
 852         return overriden;
 853     }
 854
 855
 856     public OCShare getFirstShareByPathAndType(String path, ShareType type) {
 857         Cursor c = null;
 858         if (getContentResolver() != null) {
 859             c = getContentResolver().query(
 860                     ProviderTableMeta.CONTENT_URI_SHARE,
 861                     null,
 862                     ProviderTableMeta.OCSHARES_PATH + "=? AND "
 863                             + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
 864                             + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
 865                     new String[] { path, Integer.toString(type.getValue()), mAccount.name },
 866                     null);
 867         } else {
 868             try {
 869                 c = getContentProviderClient().query(
 870                         ProviderTableMeta.CONTENT_URI_SHARE,
 871                         null,
 872                         ProviderTableMeta.OCSHARES_PATH + "=? AND "
 873                                 + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
 874                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
 875                         new String[] { path, Integer.toString(type.getValue()), mAccount.name },
 876                         null);
 877
 878             } catch (RemoteException e) {
 879                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 880                 c = null;
 881             }
 882         }
 883         OCShare share = null;
 884         if (c.moveToFirst()) {
 885             share = createShareInstance(c);
 886         }
 887         c.close();
 888         return share;
 889     }
 890
 891     private OCShare createShareInstance(Cursor c) {
 892         OCShare share = null;
 893         if (c != null) {
 894             share = new OCShare(c.getString(c
 895                     .getColumnIndex(ProviderTableMeta.OCSHARES_PATH)));
 896             share.setId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
 897             share.setFileSource(c.getLong(c
 898                     .getColumnIndex(ProviderTableMeta.OCSHARES_ITEM_SOURCE)));
 899             share.setShareType(ShareType.fromValue(c.getInt(c
 900                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_TYPE))));
 901             share.setPermissions(c.getInt(c
 902                     .getColumnIndex(ProviderTableMeta.OCSHARES_PERMISSIONS)));
 903             share.setSharedDate(c.getLong(c
 904                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARED_DATE)));
 905             share.setExpirationDate(c.getLong(c
 906                     .getColumnIndex(ProviderTableMeta.OCSHARES_EXPIRATION_DATE)));
 907             share.setToken(c.getString(c
 908                     .getColumnIndex(ProviderTableMeta.OCSHARES_TOKEN)));
 909             share.setSharedWithDisplayName(c.getString(c
 910                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME)));
 911             share.setIsFolder(c.getInt(
 912                     c.getColumnIndex(ProviderTableMeta.OCSHARES_IS_DIRECTORY)) == 1 ? true : false);
 913             share.setUserId(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_USER_ID)));
 914             share.setIdRemoteShared(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED)));
 915
 916         }
 917         return share;
 918     }
 919
 920     private boolean shareExists(String cmp_key, String value) {
 921         Cursor c;
 922         if (getContentResolver() != null) {
 923             c = getContentResolver()
 924                     .query(ProviderTableMeta.CONTENT_URI_SHARE,
 925                             null,
 926                             cmp_key + "=? AND "
 927                                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
 928                                     + "=?",
 929                                     new String[] { value, mAccount.name }, null);
 930         } else {
 931             try {
 932                 c = getContentProviderClient().query(
 933                         ProviderTableMeta.CONTENT_URI_SHARE,
 934                         null,
 935                         cmp_key + "=? AND "
 936                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
 937                                 new String[] { value, mAccount.name }, null);
 938             } catch (RemoteException e) {
 939                 Log_OC.e(TAG,
 940                         "Couldn't determine file existance, assuming non existance: "
 941                                 + e.getMessage());
 942                 return false;
 943             }
 944         }
 945         boolean retval = c.moveToFirst();
 946         c.close();
 947         return retval;
 948     }
 949
 950     private boolean shareExists(long remoteId) {
 951         return shareExists(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, String.valueOf(remoteId));
 952     }
 953
 954     private void cleanSharedFiles() {
 955         ContentValues cv = new ContentValues();
 956         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
 957         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
 958         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?";
 959         String [] whereArgs = new String[]{mAccount.name};
 960
 961         if (getContentResolver() != null) {
 962             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
 963
 964         } else {
 965             try {
 966                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
 967
 968             } catch (RemoteException e) {
 969                 Log_OC.e(TAG, "Exception in cleanSharedFiles" + e.getMessage());
 970             }
 971         }
 972     }
 973
 974     private void cleanSharedFilesInFolder(OCFile folder) {
 975         ContentValues cv = new ContentValues();
 976         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
 977         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
 978         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " + ProviderTableMeta.FILE_PARENT + "=?";
 979         String [] whereArgs = new String[] { mAccount.name , String.valueOf(folder.getFileId()) };
 980
 981         if (getContentResolver() != null) {
 982             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
 983
 984         } else {
 985             try {
 986                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
 987
 988             } catch (RemoteException e) {
 989                 Log_OC.e(TAG, "Exception in cleanSharedFilesInFolder " + e.getMessage());
 990             }
 991         }
 992     }
 993
 994     private void cleanShares() {
 995         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
 996         String [] whereArgs = new String[]{mAccount.name};
 997
 998         if (getContentResolver() != null) {
 999             getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1000
1001         } else {
1002             try {
1003                 getContentProviderClient().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1004
1005             } catch (RemoteException e) {
1006                 Log_OC.e(TAG, "Exception in cleanShares" + e.getMessage());
1007             }
1008         }
1009     }
1010
1011     public void saveShares(Collection<OCShare> shares) {
1012         cleanShares();
1013         if (shares != null) {
1014             ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>(shares.size());
1015
1016             // prepare operations to insert or update files to save in the given folder
1017             for (OCShare share : shares) {
1018                 ContentValues cv = new ContentValues();
1019                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1020                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1021                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1022                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1023                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1024                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1025                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1026                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1027                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1028                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME, share.getSharedWithDisplayName());
1029                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1030                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1031                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1032                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1033
1034                 if (shareExists(share.getIdRemoteShared())) {
1035                     // updating an existing file
1036                     operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1037                             withValues(cv).
1038                             withSelection(  ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1039                                     new String[] { String.valueOf(share.getIdRemoteShared()) })
1040                                     .build());
1041
1042                 } else {
1043                     // adding a new file
1044                     operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).withValues(cv).build());
1045                 }
1046             }
1047
1048             // apply operations in batch
1049             if (operations.size() > 0) {
1050                 @SuppressWarnings("unused")
1051                 ContentProviderResult[] results = null;
1052                 Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1053                 try {
1054                     if (getContentResolver() != null) {
1055                         results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1056
1057                     } else {
1058                         results = getContentProviderClient().applyBatch(operations);
1059                     }
1060
1061                 } catch (OperationApplicationException e) {
1062                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1063
1064                 } catch (RemoteException e) {
1065                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1066                 }
1067             }
1068         }
1069
1070     }
1071
1072     public void updateSharedFiles(Collection<OCFile> sharedFiles) {
1073         cleanSharedFiles();
1074
1075         if (sharedFiles != null) {
1076             ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>(sharedFiles.size());
1077
1078             // prepare operations to insert or update files to save in the given folder
1079             for (OCFile file : sharedFiles) {
1080                 ContentValues cv = new ContentValues();
1081                 cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
1082                 cv.put(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA, file.getModificationTimestampAtLastSyncForData());
1083                 cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
1084                 cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
1085                 cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
1086                 cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
1087                 cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
1088                 cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
1089                 if (!file.isFolder()) {
1090                     cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
1091                 }
1092                 cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
1093                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
1094                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
1095                 cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
1096                 cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
1097                 cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
1098                 cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
1099                 cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
1100
1101                 boolean existsByPath = fileExists(file.getRemotePath());
1102                 if (existsByPath || fileExists(file.getFileId())) {
1103                     // updating an existing file
1104                     operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
1105                             withValues(cv).
1106                             withSelection(  ProviderTableMeta._ID + "=?",
1107                                     new String[] { String.valueOf(file.getFileId()) })
1108                                     .build());
1109
1110                 } else {
1111                     // adding a new file
1112                     operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).withValues(cv).build());
1113                 }
1114             }
1115
1116             // apply operations in batch
1117             if (operations.size() > 0) {
1118                 @SuppressWarnings("unused")
1119                 ContentProviderResult[] results = null;
1120                 Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1121                 try {
1122                     if (getContentResolver() != null) {
1123                         results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1124
1125                     } else {
1126                         results = getContentProviderClient().applyBatch(operations);
1127                     }
1128
1129                 } catch (OperationApplicationException e) {
1130                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1131
1132                 } catch (RemoteException e) {
1133                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1134                 }
1135             }
1136         }
1137
1138     }
1139
1140     public void removeShare(OCShare share){
1141         Uri share_uri = ProviderTableMeta.CONTENT_URI_SHARE;
1142         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?" + " AND " + ProviderTableMeta.FILE_PATH + "=?";
1143         String [] whereArgs = new String[]{mAccount.name, share.getPath()};
1144         if (getContentProviderClient() != null) {
1145             try {
1146                 getContentProviderClient().delete(share_uri, where, whereArgs);
1147             } catch (RemoteException e) {
1148                 e.printStackTrace();
1149             }
1150         } else {
1151             getContentResolver().delete(share_uri, where, whereArgs);
1152         }
1153     }
1154
1155     public void saveSharesDB(ArrayList<OCShare> shares) {
1156         saveShares(shares);
1157
1158         ArrayList<OCFile> sharedFiles = new ArrayList<OCFile>();
1159
1160         for (OCShare share : shares) {
1161             // Get the path
1162             String path = share.getPath();
1163             if (share.isFolder()) {
1164                 path = path + FileUtils.PATH_SEPARATOR;
1165             }
1166
1167             // Update OCFile with data from share: ShareByLink  ¿and publicLink?
1168             OCFile file = getFileByPath(path);
1169             if (file != null) {
1170                 if (share.getShareType().equals(ShareType.PUBLIC_LINK)) {
1171                     file.setShareByLink(true);
1172                     sharedFiles.add(file);
1173                 }
1174             }
1175         }
1176
1177         updateSharedFiles(sharedFiles);
1178     }
1179
1180
1181     public void saveSharesInFolder(ArrayList<OCShare> shares, OCFile folder) {
1182         cleanSharedFilesInFolder(folder);
1183         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1184         operations = prepareRemoveSharesInFolder(folder, operations);
1185
1186         if (shares != null) {
1187             // prepare operations to insert or update files to save in the given folder
1188             for (OCShare share : shares) {
1189                 ContentValues cv = new ContentValues();
1190                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1191                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1192                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1193                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1194                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1195                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1196                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1197                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1198                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1199                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME, share.getSharedWithDisplayName());
1200                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1201                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1202                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1203                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1204
1205                 /*
1206                 if (shareExists(share.getIdRemoteShared())) {
1207                     // updating an existing share resource
1208                     operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1209                             withValues(cv).
1210                             withSelection(  ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1211                                     new String[] { String.valueOf(share.getIdRemoteShared()) })
1212                                     .build());
1213
1214                 } else {
1215                 */
1216                 // adding a new share resource
1217                 operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).withValues(cv).build());
1218                 //}
1219             }
1220         }
1221
1222         // apply operations in batch
1223         if (operations.size() > 0) {
1224             @SuppressWarnings("unused")
1225             ContentProviderResult[] results = null;
1226             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1227             try {
1228                 if (getContentResolver() != null) {
1229                     results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1230
1231                 } else {
1232                     results = getContentProviderClient().applyBatch(operations);
1233                 }
1234
1235             } catch (OperationApplicationException e) {
1236                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1237
1238             } catch (RemoteException e) {
1239                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1240             }
1241         }
1242         //}
1243
1244     }
1245
1246     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFolder(OCFile folder, ArrayList<ContentProviderOperation> preparedOperations) {
1247         if (folder != null) {
1248             String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND " + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1249             String [] whereArgs = new String[]{ "", mAccount.name };
1250
1251             Vector<OCFile> files = getFolderContent(folder);
1252
1253             for (OCFile file : files) {
1254                 whereArgs[0] = file.getRemotePath();
1255                 preparedOperations.add(ContentProviderOperation.newDelete(ProviderTableMeta.CONTENT_URI_SHARE)
1256                         .withSelection(where, whereArgs)
1257                         .build());
1258             }
1259         }
1260         return preparedOperations;
1261
1262         /*
1263         if (operations.size() > 0) {
1264             try {
1265                 if (getContentResolver() != null) {
1266                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1267
1268                 } else {
1269                     getContentProviderClient().applyBatch(operations);
1270                 }
1271
1272             } catch (OperationApplicationException e) {
1273                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1274
1275             } catch (RemoteException e) {
1276                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1277             }
1278         }
1279         */
1280
1281             /*
1282             if (getContentResolver() != null) {
1283
1284                 getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE,
1285                                             where,
1286                                             whereArgs);
1287             } else {
1288                 try {
1289                     getContentProviderClient().delete(  ProviderTableMeta.CONTENT_URI_SHARE,
1290                                                         where,
1291                                                         whereArgs);
1292
1293                 } catch (RemoteException e) {
1294                     Log_OC.e(TAG, "Exception deleting shares in a folder " + e.getMessage());
1295                 }
1296             }
1297             */
1298         //}
1299     }
1300 }