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         cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 191
 192         boolean sameRemotePath = fileExists(file.getRemotePath());
 193         if (sameRemotePath ||
 194                 fileExists(file.getFileId())        ) {           // for renamed files; no more delete and create
 195
 196             OCFile oldFile = null;
 197             if (sameRemotePath) {
 198                 oldFile = getFileByPath(file.getRemotePath());
 199                 file.setFileId(oldFile.getFileId());
 200             } else {
 201                 oldFile = getFileById(file.getFileId());
 202             }
 203
 204             overriden = true;
 205             if (getContentResolver() != null) {
 206                 getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv,
 207                         ProviderTableMeta._ID + "=?",
 208                         new String[] { String.valueOf(file.getFileId()) });
 209             } else {
 210                 try {
 211                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI,
 212                             cv, ProviderTableMeta._ID + "=?",
 213                             new String[] { String.valueOf(file.getFileId()) });
 214                 } catch (RemoteException e) {
 215                     Log_OC.e(TAG,
 216                             "Fail to insert insert file to database "
 217                                     + e.getMessage());
 218                 }
 219             }
 220         } else {
 221             Uri result_uri = null;
 222             if (getContentResolver() != null) {
 223                 result_uri = getContentResolver().insert(
 224                         ProviderTableMeta.CONTENT_URI_FILE, cv);
 225             } else {
 226                 try {
 227                     result_uri = getContentProviderClient().insert(
 228                             ProviderTableMeta.CONTENT_URI_FILE, cv);
 229                 } catch (RemoteException e) {
 230                     Log_OC.e(TAG,
 231                             "Fail to insert insert file to database "
 232                                     + e.getMessage());
 233                 }
 234             }
 235             if (result_uri != null) {
 236                 long new_id = Long.parseLong(result_uri.getPathSegments()
 237                         .get(1));
 238                 file.setFileId(new_id);
 239             }
 240         }
 241
 242 //        if (file.isFolder()) {
 243 //            updateFolderSize(file.getFileId());
 244 //        } else {
 245 //            updateFolderSize(file.getParentId());
 246 //        }
 247
 248         return overriden;
 249     }
 250
 251
 252     /**
 253      * Inserts or updates the list of files contained in a given folder.
 254      *
 255      * CALLER IS THE RESPONSIBLE FOR GRANTING RIGHT UPDATE OF INFORMATION, NOT THIS METHOD.
 256      * HERE ONLY DATA CONSISTENCY SHOULD BE GRANTED
 257      *
 258      * @param folder
 259      * @param files
 260      * @param removeNotUpdated
 261      */
 262     public void saveFolder(OCFile folder, Collection<OCFile> updatedFiles, Collection<OCFile> filesToRemove) {
 263
 264         Log_OC.d(TAG,  "Saving folder " + folder.getRemotePath() + " with " + updatedFiles.size() + " children and " + filesToRemove.size() + " files to remove");
 265
 266         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>(updatedFiles.size());
 267
 268         // prepare operations to insert or update files to save in the given folder
 269         for (OCFile file : updatedFiles) {
 270             ContentValues cv = new ContentValues();
 271             cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 272             cv.put(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA, file.getModificationTimestampAtLastSyncForData());
 273             cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 274             cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 275             cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 276             cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 277             //cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 278             cv.put(ProviderTableMeta.FILE_PARENT, folder.getFileId());
 279             cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 280             if (!file.isFolder()) {
 281                 cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 282             }
 283             cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 284             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 285             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 286             cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
 287             cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 288             cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
 289             cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 290             cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 291             cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 292
 293             boolean existsByPath = fileExists(file.getRemotePath());
 294             if (existsByPath || fileExists(file.getFileId())) {
 295                 // updating an existing file
 296                 operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 297                         withValues(cv).
 298                         withSelection(  ProviderTableMeta._ID + "=?",
 299                                 new String[] { String.valueOf(file.getFileId()) })
 300                                 .build());
 301
 302             } else {
 303                 // adding a new file
 304                 operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).withValues(cv).build());
 305             }
 306         }
 307
 308         // prepare operations to remove files in the given folder
 309         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " + ProviderTableMeta.FILE_PATH + "=?";
 310         String [] whereArgs = null;
 311         for (OCFile file : filesToRemove) {
 312             if (file.getParentId() == folder.getFileId()) {
 313                 whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 314                 //Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE, "" + file.getFileId());
 315                 if (file.isFolder()) {
 316                     operations.add(ContentProviderOperation
 317                                     .newDelete(ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_DIR, file.getFileId())).withSelection(where, whereArgs)
 318                                         .build());
 319                     // TODO remove local folder
 320                 } else {
 321                     operations.add(ContentProviderOperation
 322                                     .newDelete(ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_FILE, file.getFileId())).withSelection(where, whereArgs)
 323                                         .build());
 324                     if (file.isDown()) {
 325                         new File(file.getStoragePath()).delete();
 326                         // TODO move the deletion of local contents after success of deletions
 327                     }
 328                 }
 329             }
 330         }
 331
 332         // update metadata of folder
 333         ContentValues cv = new ContentValues();
 334         cv.put(ProviderTableMeta.FILE_MODIFIED, folder.getModificationTimestamp());
 335         cv.put(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA, folder.getModificationTimestampAtLastSyncForData());
 336         cv.put(ProviderTableMeta.FILE_CREATION, folder.getCreationTimestamp());
 337         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, 0);   // FileContentProvider calculates the right size
 338         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, folder.getMimetype());
 339         cv.put(ProviderTableMeta.FILE_NAME, folder.getFileName());
 340         cv.put(ProviderTableMeta.FILE_PARENT, folder.getParentId());
 341         cv.put(ProviderTableMeta.FILE_PATH, folder.getRemotePath());
 342         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 343         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, folder.getLastSyncDateForProperties());
 344         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, folder.getLastSyncDateForData());
 345         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, folder.keepInSync() ? 1 : 0);
 346         cv.put(ProviderTableMeta.FILE_ETAG, folder.getEtag());
 347         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, folder.isShareByLink() ? 1 : 0);
 348         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, folder.getPublicLink());
 349         cv.put(ProviderTableMeta.FILE_PERMISSIONS, folder.getPermissions());
 350         cv.put(ProviderTableMeta.FILE_REMOTE_ID, folder.getRemoteId());
 351
 352         operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 353                 withValues(cv).
 354                 withSelection(  ProviderTableMeta._ID + "=?",
 355                         new String[] { String.valueOf(folder.getFileId()) })
 356                         .build());
 357
 358         // apply operations in batch
 359         ContentProviderResult[] results = null;
 360         Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
 361         try {
 362             if (getContentResolver() != null) {
 363                 results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 364
 365             } else {
 366                 results = getContentProviderClient().applyBatch(operations);
 367             }
 368
 369         } catch (OperationApplicationException e) {
 370             Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
 371
 372         } catch (RemoteException e) {
 373             Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
 374         }
 375
 376         // update new id in file objects for insertions
 377         if (results != null) {
 378             long newId;
 379             Iterator<OCFile> filesIt = updatedFiles.iterator();
 380             OCFile file = null;
 381             for (int i=0; i<results.length; i++) {
 382                 if (filesIt.hasNext()) {
 383                     file = filesIt.next();
 384                 } else {
 385                     file = null;
 386                 }
 387                 if (results[i].uri != null) {
 388                     newId = Long.parseLong(results[i].uri.getPathSegments().get(1));
 389                     //updatedFiles.get(i).setFileId(newId);
 390                     if (file != null) {
 391                         file.setFileId(newId);
 392                     }
 393                 }
 394             }
 395         }
 396
 397         //updateFolderSize(folder.getFileId());
 398
 399     }
 400
 401
 402 //    /**
 403 //     *
 404 //     * @param id
 405 //     */
 406 //    private void updateFolderSize(long id) {
 407 //        if (id > FileDataStorageManager.ROOT_PARENT_ID) {
 408 //            Log_OC.d(TAG, "Updating size of " + id);
 409 //            if (getContentResolver() != null) {
 410 //                getContentResolver().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 //            } else {
 415 //                try {
 416 //                    getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_DIR,
 417 //                            new ContentValues(),    // won't be used, but cannot be null; crashes in KLP
 418 //                            ProviderTableMeta._ID + "=?",
 419 //                            new String[] { String.valueOf(id) });
 420 //
 421 //                } catch (RemoteException e) {
 422 //                    Log_OC.e(TAG, "Exception in update of folder size through compatibility patch " + e.getMessage());
 423 //                }
 424 //            }
 425 //        } else {
 426 //            Log_OC.e(TAG,  "not updating size for folder " + id);
 427 //        }
 428 //    }
 429
 430
 431     public boolean removeFile(OCFile file, boolean removeDBData, boolean removeLocalCopy) {
 432         boolean success = true;
 433         if (file != null) {
 434             if (file.isFolder()) {
 435                 success = removeFolder(file, removeDBData, removeLocalCopy);
 436
 437             } else {
 438                 if (removeDBData) {
 439                     //Uri file_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE, ""+file.getFileId());
 440                     Uri file_uri = ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_FILE, file.getFileId());
 441                     String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " + ProviderTableMeta.FILE_PATH + "=?";
 442                     String [] whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 443                     int deleted = 0;
 444                     if (getContentProviderClient() != null) {
 445                         try {
 446                             deleted = getContentProviderClient().delete(file_uri, where, whereArgs);
 447                         } catch (RemoteException e) {
 448                             e.printStackTrace();
 449                         }
 450                     } else {
 451                         deleted = getContentResolver().delete(file_uri, where, whereArgs);
 452                     }
 453                     success &= (deleted > 0);
 454                 }
 455                 if (removeLocalCopy && file.isDown() && file.getStoragePath() != null && success) {
 456                     success = new File(file.getStoragePath()).delete();
 457                     if (!removeDBData && success) {
 458                         // maybe unnecessary, but should be checked TODO remove if unnecessary
 459                         file.setStoragePath(null);
 460                         saveFile(file);
 461                     }
 462                 }
 463             }
 464         }
 465         return success;
 466     }
 467
 468
 469     public boolean removeFolder(OCFile folder, boolean removeDBData, boolean removeLocalContent) {
 470         boolean success = true;
 471         if (folder != null && folder.isFolder()) {
 472             if (removeDBData &&  folder.getFileId() != -1) {
 473                 success = removeFolderInDb(folder);
 474             }
 475             if (removeLocalContent && success) {
 476                 success = removeLocalFolder(folder);
 477             }
 478         }
 479         return success;
 480     }
 481
 482     private boolean removeFolderInDb(OCFile folder) {
 483         Uri folder_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, ""+ folder.getFileId());   // URI for recursive deletion
 484         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " + ProviderTableMeta.FILE_PATH + "=?";
 485         String [] whereArgs = new String[]{mAccount.name, folder.getRemotePath()};
 486         int deleted = 0;
 487         if (getContentProviderClient() != null) {
 488             try {
 489                 deleted = getContentProviderClient().delete(folder_uri, where, whereArgs);
 490             } catch (RemoteException e) {
 491                 e.printStackTrace();
 492             }
 493         } else {
 494             deleted = getContentResolver().delete(folder_uri, where, whereArgs);
 495         }
 496         return deleted > 0;
 497     }
 498
 499     private boolean removeLocalFolder(OCFile folder) {
 500         boolean success = true;
 501         File localFolder = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, folder));
 502         if (localFolder.exists()) {
 503             // stage 1: remove the local files already registered in the files database
 504             Vector<OCFile> files = getFolderContent(folder.getFileId());
 505             if (files != null) {
 506                 for (OCFile file : files) {
 507                     if (file.isFolder()) {
 508                         success &= removeLocalFolder(file);
 509                     } else {
 510                         if (file.isDown()) {
 511                             File localFile = new File(file.getStoragePath());
 512                             success &= localFile.delete();
 513                             if (success) {
 514                                 file.setStoragePath(null);
 515                                 saveFile(file);
 516                             }
 517                         }
 518                     }
 519                 }
 520             }
 521
 522             // stage 2: remove the folder itself and any local file inside out of sync;
 523             //          for instance, after clearing the app cache or reinstalling
 524             success &= removeLocalFolder(localFolder);
 525         }
 526         return success;
 527     }
 528
 529     private boolean removeLocalFolder(File localFolder) {
 530         boolean success = true;
 531         File[] localFiles = localFolder.listFiles();
 532         if (localFiles != null) {
 533             for (File localFile : localFiles) {
 534                 if (localFile.isDirectory()) {
 535                     success &= removeLocalFolder(localFile);
 536                 } else {
 537                     success &= localFile.delete();
 538                 }
 539             }
 540         }
 541         success &= localFolder.delete();
 542         return success;
 543     }
 544
 545     /**
 546      * Updates database for a folder that was moved to a different location.
 547      *
 548      * TODO explore better (faster) implementations
 549      * TODO throw exceptions up !
 550      */
 551     public void moveFolder(OCFile folder, String newPath) {
 552         // TODO check newPath
 553
 554         if (folder != null && folder.isFolder() && folder.fileExists() && !OCFile.ROOT_PATH.equals(folder.getFileName())) {
 555             /// 1. get all the descendants of 'dir' in a single QUERY (including 'dir')
 556             Cursor c = null;
 557             if (getContentProviderClient() != null) {
 558                 try {
 559                     c = getContentProviderClient().query(ProviderTableMeta.CONTENT_URI,
 560                             null,
 561                             ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " + ProviderTableMeta.FILE_PATH + " LIKE ? ",
 562                             new String[] { mAccount.name, folder.getRemotePath() + "%"  }, ProviderTableMeta.FILE_PATH + " ASC ");
 563                 } catch (RemoteException e) {
 564                     Log_OC.e(TAG, e.getMessage());
 565                 }
 566             } else {
 567                 c = getContentResolver().query(ProviderTableMeta.CONTENT_URI,
 568                         null,
 569                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " + ProviderTableMeta.FILE_PATH + " LIKE ? ",
 570                         new String[] { mAccount.name, folder.getRemotePath() + "%"  }, ProviderTableMeta.FILE_PATH + " ASC ");
 571             }
 572
 573             /// 2. prepare a batch of update operations to change all the descendants
 574             ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>(c.getCount());
 575             int lengthOfOldPath = folder.getRemotePath().length();
 576             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 577             int lengthOfOldStoragePath = defaultSavePath.length() + lengthOfOldPath;
 578             if (c.moveToFirst()) {
 579                 do {
 580                     ContentValues cv = new ContentValues(); // don't take the constructor out of the loop and clear the object
 581                     OCFile child = createFileInstance(c);
 582                     cv.put(ProviderTableMeta.FILE_PATH, newPath + child.getRemotePath().substring(lengthOfOldPath));
 583                     if (child.getStoragePath() != null && child.getStoragePath().startsWith(defaultSavePath)) {
 584                         cv.put(ProviderTableMeta.FILE_STORAGE_PATH, defaultSavePath + newPath + child.getStoragePath().substring(lengthOfOldStoragePath));
 585                     }
 586                     operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 587                             withValues(cv).
 588                             withSelection(  ProviderTableMeta._ID + "=?",
 589                                     new String[] { String.valueOf(child.getFileId()) })
 590                                     .build());
 591                 } while (c.moveToNext());
 592             }
 593             c.close();
 594
 595             /// 3. apply updates in batch
 596             try {
 597                 if (getContentResolver() != null) {
 598                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 599
 600                 } else {
 601                     getContentProviderClient().applyBatch(operations);
 602                 }
 603
 604             } catch (OperationApplicationException e) {
 605                 Log_OC.e(TAG, "Fail to update descendants of " + folder.getFileId() + " in database", e);
 606
 607             } catch (RemoteException e) {
 608                 Log_OC.e(TAG, "Fail to update desendants of " + folder.getFileId() + " in database", e);
 609             }
 610
 611         }
 612     }
 613
 614
 615     public void moveLocalFile(OCFile file, String targetPath, String targetParentPath) {
 616
 617         if (file != null && file.fileExists() && !OCFile.ROOT_PATH.equals(file.getFileName())) {
 618
 619             OCFile targetParent = getFileByPath(targetParentPath);
 620             if (targetParent == null) {
 621                 // TODO panic
 622             }
 623
 624             /// 1. get all the descendants of the moved element in a single QUERY
 625             Cursor c = null;
 626             if (getContentProviderClient() != null) {
 627                 try {
 628                     c = getContentProviderClient().query(
 629                         ProviderTableMeta.CONTENT_URI,
 630                         null,
 631                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 632                                 ProviderTableMeta.FILE_PATH + " LIKE ? ",
 633                         new String[] {
 634                                 mAccount.name,
 635                                 file.getRemotePath() + "%"
 636                         },
 637                         ProviderTableMeta.FILE_PATH + " ASC "
 638                     );
 639                 } catch (RemoteException e) {
 640                     Log_OC.e(TAG, e.getMessage());
 641                 }
 642
 643             } else {
 644                 c = getContentResolver().query(
 645                     ProviderTableMeta.CONTENT_URI,
 646                     null,
 647                     ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 648                             ProviderTableMeta.FILE_PATH + " LIKE ? ",
 649                     new String[] {
 650                             mAccount.name,
 651                             file.getRemotePath() + "%"
 652                     },
 653                     ProviderTableMeta.FILE_PATH + " ASC "
 654                 );
 655             }
 656
 657             /// 2. prepare a batch of update operations to change all the descendants
 658             ArrayList<ContentProviderOperation> operations =
 659                     new ArrayList<ContentProviderOperation>(c.getCount());
 660             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 661             if (c.moveToFirst()) {
 662                 int lengthOfOldPath = file.getRemotePath().length();
 663                 int lengthOfOldStoragePath = defaultSavePath.length() + lengthOfOldPath;
 664                 do {
 665                     ContentValues cv = new ContentValues(); // keep construction in the loop
 666                     OCFile child = createFileInstance(c);
 667                     cv.put(
 668                         ProviderTableMeta.FILE_PATH,
 669                         targetPath + child.getRemotePath().substring(lengthOfOldPath)
 670                     );
 671                     if (child.getStoragePath() != null &&
 672                             child.getStoragePath().startsWith(defaultSavePath)) {
 673                         // update link to downloaded content - but local move is not done here!
 674                         cv.put(
 675                             ProviderTableMeta.FILE_STORAGE_PATH,
 676                             defaultSavePath + targetPath +
 677                                 child.getStoragePath().substring(lengthOfOldStoragePath)
 678                         );
 679                     }
 680                     if (child.getRemotePath().equals(file.getRemotePath())) {
 681                         cv.put(
 682                                 ProviderTableMeta.FILE_PARENT,
 683                                 targetParent.getFileId()
 684                             );
 685                     }
 686                     operations.add(
 687                         ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 688                             withValues(cv).
 689                             withSelection(
 690                                     ProviderTableMeta._ID + "=?",
 691                                     new String[] { String.valueOf(child.getFileId()) }
 692                                     )
 693                             .build());
 694
 695                 } while (c.moveToNext());
 696             }
 697             c.close();
 698
 699             /// 3. apply updates in batch
 700             try {
 701                 if (getContentResolver() != null) {
 702                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 703
 704                 } else {
 705                     getContentProviderClient().applyBatch(operations);
 706                 }
 707
 708             } catch (Exception e) {
 709                 Log_OC.e(
 710                     TAG,
 711                     "Fail to update " + file.getFileId() + " and descendants in database",
 712                     e
 713                 );
 714             }
 715
 716             /// 4. move in local file system
 717             String localPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, file);
 718             File localFile = new File(localPath);
 719             boolean renamed = false;
 720             if (localFile.exists()) {
 721                 File targetFile = new File(defaultSavePath + targetPath);
 722                 File targetFolder = targetFile.getParentFile();
 723                 if (!targetFolder.exists()) {
 724                     targetFolder.mkdirs();
 725                 }
 726                 renamed = localFile.renameTo(targetFile);
 727             }
 728             Log_OC.d(TAG, "Local file RENAMED : " + renamed);
 729
 730         }
 731
 732     }
 733
 734
 735     private Vector<OCFile> getFolderContent(long parentId) {
 736
 737         Vector<OCFile> ret = new Vector<OCFile>();
 738
 739         Uri req_uri = Uri.withAppendedPath(
 740                 ProviderTableMeta.CONTENT_URI_DIR,
 741                 String.valueOf(parentId));
 742         Cursor c = null;
 743
 744         if (getContentProviderClient() != null) {
 745             try {
 746                 c = getContentProviderClient().query(req_uri, null,
 747                         ProviderTableMeta.FILE_PARENT + "=?" ,
 748                         new String[] { String.valueOf(parentId)}, null);
 749             } catch (RemoteException e) {
 750                 Log_OC.e(TAG, e.getMessage());
 751                 return ret;
 752             }
 753         } else {
 754             c = getContentResolver().query(req_uri, null,
 755                     ProviderTableMeta.FILE_PARENT + "=?" ,
 756                     new String[] { String.valueOf(parentId)}, null);
 757         }
 758
 759         if (c.moveToFirst()) {
 760             do {
 761                 OCFile child = createFileInstance(c);
 762                 ret.add(child);
 763             } while (c.moveToNext());
 764         }
 765
 766         c.close();
 767
 768         Collections.sort(ret);
 769
 770         return ret;
 771     }
 772
 773
 774     private OCFile createRootDir() {
 775         OCFile file = new OCFile(OCFile.ROOT_PATH);
 776         file.setMimetype("DIR");
 777         file.setParentId(FileDataStorageManager.ROOT_PARENT_ID);
 778         saveFile(file);
 779         return file;
 780     }
 781
 782     private boolean fileExists(String cmp_key, String value) {
 783         Cursor c;
 784         if (getContentResolver() != null) {
 785             c = getContentResolver()
 786                     .query(ProviderTableMeta.CONTENT_URI,
 787                             null,
 788                             cmp_key + "=? AND "
 789                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 790                                     + "=?",
 791                                     new String[] { value, mAccount.name }, null);
 792         } else {
 793             try {
 794                 c = getContentProviderClient().query(
 795                         ProviderTableMeta.CONTENT_URI,
 796                         null,
 797                         cmp_key + "=? AND "
 798                                 + ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
 799                                 new String[] { value, mAccount.name }, null);
 800             } catch (RemoteException e) {
 801                 Log_OC.e(TAG,
 802                         "Couldn't determine file existance, assuming non existance: "
 803                                 + e.getMessage());
 804                 return false;
 805             }
 806         }
 807         boolean retval = c.moveToFirst();
 808         c.close();
 809         return retval;
 810     }
 811
 812     private Cursor getCursorForValue(String key, String value) {
 813         Cursor c = null;
 814         if (getContentResolver() != null) {
 815             c = getContentResolver()
 816                     .query(ProviderTableMeta.CONTENT_URI,
 817                             null,
 818                             key + "=? AND "
 819                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 820                                     + "=?",
 821                                     new String[] { value, mAccount.name }, null);
 822         } else {
 823             try {
 824                 c = getContentProviderClient().query(
 825                         ProviderTableMeta.CONTENT_URI,
 826                         null,
 827                         key + "=? AND " + ProviderTableMeta.FILE_ACCOUNT_OWNER
 828                         + "=?", new String[] { value, mAccount.name },
 829                         null);
 830             } catch (RemoteException e) {
 831                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 832                 c = null;
 833             }
 834         }
 835         return c;
 836     }
 837
 838
 839     private OCFile createFileInstance(Cursor c) {
 840         OCFile file = null;
 841         if (c != null) {
 842             file = new OCFile(c.getString(c
 843                     .getColumnIndex(ProviderTableMeta.FILE_PATH)));
 844             file.setFileId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
 845             file.setParentId(c.getLong(c
 846                     .getColumnIndex(ProviderTableMeta.FILE_PARENT)));
 847             file.setMimetype(c.getString(c
 848                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE)));
 849             if (!file.isFolder()) {
 850                 file.setStoragePath(c.getString(c
 851                         .getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH)));
 852                 if (file.getStoragePath() == null) {
 853                     // 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
 854                     File f = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 855                     if (f.exists()) {
 856                         file.setStoragePath(f.getAbsolutePath());
 857                         file.setLastSyncDateForData(f.lastModified());
 858                     }
 859                 }
 860             }
 861             file.setFileLength(c.getLong(c
 862                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH)));
 863             file.setCreationTimestamp(c.getLong(c
 864                     .getColumnIndex(ProviderTableMeta.FILE_CREATION)));
 865             file.setModificationTimestamp(c.getLong(c
 866                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED)));
 867             file.setModificationTimestampAtLastSyncForData(c.getLong(c
 868                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA)));
 869             file.setLastSyncDateForProperties(c.getLong(c
 870                     .getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE)));
 871             file.setLastSyncDateForData(c.getLong(c.
 872                     getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA)));
 873             file.setKeepInSync(c.getInt(
 874                     c.getColumnIndex(ProviderTableMeta.FILE_KEEP_IN_SYNC)) == 1 ? true : false);
 875             file.setEtag(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG)));
 876             file.setShareByLink(c.getInt(
 877                     c.getColumnIndex(ProviderTableMeta.FILE_SHARE_BY_LINK)) == 1 ? true : false);
 878             file.setPublicLink(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PUBLIC_LINK)));
 879             file.setPermissions(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PERMISSIONS)));
 880             file.setRemoteId(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_REMOTE_ID)));
 881
 882         }
 883         return file;
 884     }
 885
 886     /**
 887      * Returns if the file/folder is shared by link or not
 888      * @param path  Path of the file/folder
 889      * @return
 890      */
 891     public boolean isShareByLink(String path) {
 892         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 893         OCFile file = null;
 894         if (c.moveToFirst()) {
 895             file = createFileInstance(c);
 896         }
 897         c.close();
 898         return file.isShareByLink();
 899     }
 900
 901     /**
 902      * Returns the public link of the file/folder
 903      * @param path  Path of the file/folder
 904      * @return
 905      */
 906     public String getPublicLink(String path) {
 907         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 908         OCFile file = null;
 909         if (c.moveToFirst()) {
 910             file = createFileInstance(c);
 911         }
 912         c.close();
 913         return file.getPublicLink();
 914     }
 915
 916
 917     // Methods for Shares
 918     public boolean saveShare(OCShare share) {
 919         boolean overriden = false;
 920         ContentValues cv = new ContentValues();
 921         cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
 922         cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
 923         cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
 924         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
 925         cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
 926         cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
 927         cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
 928         cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
 929         cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
 930         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME, share.getSharedWithDisplayName());
 931         cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
 932         cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
 933         cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
 934         cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
 935
 936         if (shareExists(share.getIdRemoteShared())) {           // for renamed files; no more delete and create
 937
 938             overriden = true;
 939             if (getContentResolver() != null) {
 940                 getContentResolver().update(ProviderTableMeta.CONTENT_URI_SHARE, cv,
 941                         ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 942                         new String[] { String.valueOf(share.getIdRemoteShared()) });
 943             } else {
 944                 try {
 945                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_SHARE,
 946                             cv, ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 947                             new String[] { String.valueOf(share.getIdRemoteShared()) });
 948                 } catch (RemoteException e) {
 949                     Log_OC.e(TAG,
 950                             "Fail to insert insert file to database "
 951                                     + e.getMessage());
 952                 }
 953             }
 954         } else {
 955             Uri result_uri = null;
 956             if (getContentResolver() != null) {
 957                 result_uri = getContentResolver().insert(
 958                         ProviderTableMeta.CONTENT_URI_SHARE, cv);
 959             } else {
 960                 try {
 961                     result_uri = getContentProviderClient().insert(
 962                             ProviderTableMeta.CONTENT_URI_SHARE, cv);
 963                 } catch (RemoteException e) {
 964                     Log_OC.e(TAG,
 965                             "Fail to insert insert file to database "
 966                                     + e.getMessage());
 967                 }
 968             }
 969             if (result_uri != null) {
 970                 long new_id = Long.parseLong(result_uri.getPathSegments()
 971                         .get(1));
 972                 share.setId(new_id);
 973             }
 974         }
 975
 976         return overriden;
 977     }
 978
 979
 980     public OCShare getFirstShareByPathAndType(String path, ShareType type) {
 981         Cursor c = null;
 982         if (getContentResolver() != null) {
 983             c = getContentResolver().query(
 984                     ProviderTableMeta.CONTENT_URI_SHARE,
 985                     null,
 986                     ProviderTableMeta.OCSHARES_PATH + "=? AND "
 987                             + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
 988                             + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
 989                     new String[] { path, Integer.toString(type.getValue()), mAccount.name },
 990                     null);
 991         } else {
 992             try {
 993                 c = getContentProviderClient().query(
 994                         ProviderTableMeta.CONTENT_URI_SHARE,
 995                         null,
 996                         ProviderTableMeta.OCSHARES_PATH + "=? AND "
 997                                 + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
 998                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
 999                         new String[] { path, Integer.toString(type.getValue()), mAccount.name },
1000                         null);
1001
1002             } catch (RemoteException e) {
1003                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
1004                 c = null;
1005             }
1006         }
1007         OCShare share = null;
1008         if (c.moveToFirst()) {
1009             share = createShareInstance(c);
1010         }
1011         c.close();
1012         return share;
1013     }
1014
1015     private OCShare createShareInstance(Cursor c) {
1016         OCShare share = null;
1017         if (c != null) {
1018             share = new OCShare(c.getString(c
1019                     .getColumnIndex(ProviderTableMeta.OCSHARES_PATH)));
1020             share.setId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
1021             share.setFileSource(c.getLong(c
1022                     .getColumnIndex(ProviderTableMeta.OCSHARES_ITEM_SOURCE)));
1023             share.setShareType(ShareType.fromValue(c.getInt(c
1024                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_TYPE))));
1025             share.setPermissions(c.getInt(c
1026                     .getColumnIndex(ProviderTableMeta.OCSHARES_PERMISSIONS)));
1027             share.setSharedDate(c.getLong(c
1028                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARED_DATE)));
1029             share.setExpirationDate(c.getLong(c
1030                     .getColumnIndex(ProviderTableMeta.OCSHARES_EXPIRATION_DATE)));
1031             share.setToken(c.getString(c
1032                     .getColumnIndex(ProviderTableMeta.OCSHARES_TOKEN)));
1033             share.setSharedWithDisplayName(c.getString(c
1034                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME)));
1035             share.setIsFolder(c.getInt(
1036                     c.getColumnIndex(ProviderTableMeta.OCSHARES_IS_DIRECTORY)) == 1 ? true : false);
1037             share.setUserId(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_USER_ID)));
1038             share.setIdRemoteShared(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED)));
1039
1040         }
1041         return share;
1042     }
1043
1044     private boolean shareExists(String cmp_key, String value) {
1045         Cursor c;
1046         if (getContentResolver() != null) {
1047             c = getContentResolver()
1048                     .query(ProviderTableMeta.CONTENT_URI_SHARE,
1049                             null,
1050                             cmp_key + "=? AND "
1051                                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
1052                                     + "=?",
1053                                     new String[] { value, mAccount.name }, null);
1054         } else {
1055             try {
1056                 c = getContentProviderClient().query(
1057                         ProviderTableMeta.CONTENT_URI_SHARE,
1058                         null,
1059                         cmp_key + "=? AND "
1060                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1061                                 new String[] { value, mAccount.name }, null);
1062             } catch (RemoteException e) {
1063                 Log_OC.e(TAG,
1064                         "Couldn't determine file existance, assuming non existance: "
1065                                 + e.getMessage());
1066                 return false;
1067             }
1068         }
1069         boolean retval = c.moveToFirst();
1070         c.close();
1071         return retval;
1072     }
1073
1074     private boolean shareExists(long remoteId) {
1075         return shareExists(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, String.valueOf(remoteId));
1076     }
1077
1078     private void cleanSharedFiles() {
1079         ContentValues cv = new ContentValues();
1080         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
1081         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1082         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?";
1083         String [] whereArgs = new String[]{mAccount.name};
1084
1085         if (getContentResolver() != null) {
1086             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1087
1088         } else {
1089             try {
1090                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1091
1092             } catch (RemoteException e) {
1093                 Log_OC.e(TAG, "Exception in cleanSharedFiles" + e.getMessage());
1094             }
1095         }
1096     }
1097
1098     private void cleanSharedFilesInFolder(OCFile folder) {
1099         ContentValues cv = new ContentValues();
1100         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
1101         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1102         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " + ProviderTableMeta.FILE_PARENT + "=?";
1103         String [] whereArgs = new String[] { mAccount.name , String.valueOf(folder.getFileId()) };
1104
1105         if (getContentResolver() != null) {
1106             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1107
1108         } else {
1109             try {
1110                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1111
1112             } catch (RemoteException e) {
1113                 Log_OC.e(TAG, "Exception in cleanSharedFilesInFolder " + e.getMessage());
1114             }
1115         }
1116     }
1117
1118     private void cleanShares() {
1119         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1120         String [] whereArgs = new String[]{mAccount.name};
1121
1122         if (getContentResolver() != null) {
1123             getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1124
1125         } else {
1126             try {
1127                 getContentProviderClient().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1128
1129             } catch (RemoteException e) {
1130                 Log_OC.e(TAG, "Exception in cleanShares" + e.getMessage());
1131             }
1132         }
1133     }
1134
1135     public void saveShares(Collection<OCShare> shares) {
1136         cleanShares();
1137         if (shares != null) {
1138             ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>(shares.size());
1139
1140             // prepare operations to insert or update files to save in the given folder
1141             for (OCShare share : shares) {
1142                 ContentValues cv = new ContentValues();
1143                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1144                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1145                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1146                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1147                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1148                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1149                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1150                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1151                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1152                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME, share.getSharedWithDisplayName());
1153                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1154                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1155                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1156                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1157
1158                 if (shareExists(share.getIdRemoteShared())) {
1159                     // updating an existing file
1160                     operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1161                             withValues(cv).
1162                             withSelection(  ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1163                                     new String[] { String.valueOf(share.getIdRemoteShared()) })
1164                                     .build());
1165
1166                 } else {
1167                     // adding a new file
1168                     operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).withValues(cv).build());
1169                 }
1170             }
1171
1172             // apply operations in batch
1173             if (operations.size() > 0) {
1174                 @SuppressWarnings("unused")
1175                 ContentProviderResult[] results = null;
1176                 Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1177                 try {
1178                     if (getContentResolver() != null) {
1179                         results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1180
1181                     } else {
1182                         results = getContentProviderClient().applyBatch(operations);
1183                     }
1184
1185                 } catch (OperationApplicationException e) {
1186                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1187
1188                 } catch (RemoteException e) {
1189                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1190                 }
1191             }
1192         }
1193
1194     }
1195
1196     public void updateSharedFiles(Collection<OCFile> sharedFiles) {
1197         cleanSharedFiles();
1198
1199         if (sharedFiles != null) {
1200             ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>(sharedFiles.size());
1201
1202             // prepare operations to insert or update files to save in the given folder
1203             for (OCFile file : sharedFiles) {
1204                 ContentValues cv = new ContentValues();
1205                 cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
1206                 cv.put(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA, file.getModificationTimestampAtLastSyncForData());
1207                 cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
1208                 cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
1209                 cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
1210                 cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
1211                 cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
1212                 cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
1213                 if (!file.isFolder()) {
1214                     cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
1215                 }
1216                 cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
1217                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
1218                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
1219                 cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
1220                 cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
1221                 cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
1222                 cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
1223                 cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
1224                 cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
1225
1226                 boolean existsByPath = fileExists(file.getRemotePath());
1227                 if (existsByPath || fileExists(file.getFileId())) {
1228                     // updating an existing file
1229                     operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
1230                             withValues(cv).
1231                             withSelection(  ProviderTableMeta._ID + "=?",
1232                                     new String[] { String.valueOf(file.getFileId()) })
1233                                     .build());
1234
1235                 } else {
1236                     // adding a new file
1237                     operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).withValues(cv).build());
1238                 }
1239             }
1240
1241             // apply operations in batch
1242             if (operations.size() > 0) {
1243                 @SuppressWarnings("unused")
1244                 ContentProviderResult[] results = null;
1245                 Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1246                 try {
1247                     if (getContentResolver() != null) {
1248                         results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1249
1250                     } else {
1251                         results = getContentProviderClient().applyBatch(operations);
1252                     }
1253
1254                 } catch (OperationApplicationException e) {
1255                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1256
1257                 } catch (RemoteException e) {
1258                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1259                 }
1260             }
1261         }
1262
1263     }
1264
1265     public void removeShare(OCShare share){
1266         Uri share_uri = ProviderTableMeta.CONTENT_URI_SHARE;
1267         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?" + " AND " + ProviderTableMeta.FILE_PATH + "=?";
1268         String [] whereArgs = new String[]{mAccount.name, share.getPath()};
1269         if (getContentProviderClient() != null) {
1270             try {
1271                 getContentProviderClient().delete(share_uri, where, whereArgs);
1272             } catch (RemoteException e) {
1273                 e.printStackTrace();
1274             }
1275         } else {
1276             getContentResolver().delete(share_uri, where, whereArgs);
1277         }
1278     }
1279
1280     public void saveSharesDB(ArrayList<OCShare> shares) {
1281         saveShares(shares);
1282
1283         ArrayList<OCFile> sharedFiles = new ArrayList<OCFile>();
1284
1285         for (OCShare share : shares) {
1286             // Get the path
1287             String path = share.getPath();
1288             if (share.isFolder()) {
1289                 path = path + FileUtils.PATH_SEPARATOR;
1290             }
1291
1292             // Update OCFile with data from share: ShareByLink  ¿and publicLink?
1293             OCFile file = getFileByPath(path);
1294             if (file != null) {
1295                 if (share.getShareType().equals(ShareType.PUBLIC_LINK)) {
1296                     file.setShareByLink(true);
1297                     sharedFiles.add(file);
1298                 }
1299             }
1300         }
1301
1302         updateSharedFiles(sharedFiles);
1303     }
1304
1305
1306     public void saveSharesInFolder(ArrayList<OCShare> shares, OCFile folder) {
1307         cleanSharedFilesInFolder(folder);
1308         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1309         operations = prepareRemoveSharesInFolder(folder, operations);
1310
1311         if (shares != null) {
1312             // prepare operations to insert or update files to save in the given folder
1313             for (OCShare share : shares) {
1314                 ContentValues cv = new ContentValues();
1315                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1316                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1317                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1318                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1319                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1320                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1321                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1322                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1323                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1324                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME, share.getSharedWithDisplayName());
1325                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1326                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1327                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1328                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1329
1330                 /*
1331                 if (shareExists(share.getIdRemoteShared())) {
1332                     // updating an existing share resource
1333                     operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1334                             withValues(cv).
1335                             withSelection(  ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1336                                     new String[] { String.valueOf(share.getIdRemoteShared()) })
1337                                     .build());
1338
1339                 } else {
1340                 */
1341                 // adding a new share resource
1342                 operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).withValues(cv).build());
1343                 //}
1344             }
1345         }
1346
1347         // apply operations in batch
1348         if (operations.size() > 0) {
1349             @SuppressWarnings("unused")
1350             ContentProviderResult[] results = null;
1351             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1352             try {
1353                 if (getContentResolver() != null) {
1354                     results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1355
1356                 } else {
1357                     results = getContentProviderClient().applyBatch(operations);
1358                 }
1359
1360             } catch (OperationApplicationException e) {
1361                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1362
1363             } catch (RemoteException e) {
1364                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1365             }
1366         }
1367         //}
1368
1369     }
1370
1371     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFolder(OCFile folder, ArrayList<ContentProviderOperation> preparedOperations) {
1372         if (folder != null) {
1373             String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND " + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1374             String [] whereArgs = new String[]{ "", mAccount.name };
1375
1376             Vector<OCFile> files = getFolderContent(folder);
1377
1378             for (OCFile file : files) {
1379                 whereArgs[0] = file.getRemotePath();
1380                 preparedOperations.add(ContentProviderOperation.newDelete(ProviderTableMeta.CONTENT_URI_SHARE)
1381                         .withSelection(where, whereArgs)
1382                         .build());
1383             }
1384         }
1385         return preparedOperations;
1386
1387         /*
1388         if (operations.size() > 0) {
1389             try {
1390                 if (getContentResolver() != null) {
1391                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1392
1393                 } else {
1394                     getContentProviderClient().applyBatch(operations);
1395                 }
1396
1397             } catch (OperationApplicationException e) {
1398                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1399
1400             } catch (RemoteException e) {
1401                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1402             }
1403         }
1404         */
1405
1406             /*
1407             if (getContentResolver() != null) {
1408
1409                 getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE,
1410                                             where,
1411                                             whereArgs);
1412             } else {
1413                 try {
1414                     getContentProviderClient().delete(  ProviderTableMeta.CONTENT_URI_SHARE,
1415                                                         where,
1416                                                         whereArgs);
1417
1418                 } catch (RemoteException e) {
1419                     Log_OC.e(TAG, "Exception deleting shares in a folder " + e.getMessage());
1420                 }
1421             }
1422             */
1423         //}
1424     }
1425
1426 }