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     private Vector<OCFile> getFolderContent(long parentId) {
 616
 617         Vector<OCFile> ret = new Vector<OCFile>();
 618
 619         Uri req_uri = Uri.withAppendedPath(
 620                 ProviderTableMeta.CONTENT_URI_DIR,
 621                 String.valueOf(parentId));
 622         Cursor c = null;
 623
 624         if (getContentProviderClient() != null) {
 625             try {
 626                 c = getContentProviderClient().query(req_uri, null,
 627                         ProviderTableMeta.FILE_PARENT + "=?" ,
 628                         new String[] { String.valueOf(parentId)}, null);
 629             } catch (RemoteException e) {
 630                 Log_OC.e(TAG, e.getMessage());
 631                 return ret;
 632             }
 633         } else {
 634             c = getContentResolver().query(req_uri, null,
 635                     ProviderTableMeta.FILE_PARENT + "=?" ,
 636                     new String[] { String.valueOf(parentId)}, null);
 637         }
 638
 639         if (c.moveToFirst()) {
 640             do {
 641                 OCFile child = createFileInstance(c);
 642                 ret.add(child);
 643             } while (c.moveToNext());
 644         }
 645
 646         c.close();
 647
 648         Collections.sort(ret);
 649
 650         return ret;
 651     }
 652
 653
 654     private OCFile createRootDir() {
 655         OCFile file = new OCFile(OCFile.ROOT_PATH);
 656         file.setMimetype("DIR");
 657         file.setParentId(FileDataStorageManager.ROOT_PARENT_ID);
 658         saveFile(file);
 659         return file;
 660     }
 661
 662     private boolean fileExists(String cmp_key, String value) {
 663         Cursor c;
 664         if (getContentResolver() != null) {
 665             c = getContentResolver()
 666                     .query(ProviderTableMeta.CONTENT_URI,
 667                             null,
 668                             cmp_key + "=? AND "
 669                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 670                                     + "=?",
 671                                     new String[] { value, mAccount.name }, null);
 672         } else {
 673             try {
 674                 c = getContentProviderClient().query(
 675                         ProviderTableMeta.CONTENT_URI,
 676                         null,
 677                         cmp_key + "=? AND "
 678                                 + ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
 679                                 new String[] { value, mAccount.name }, null);
 680             } catch (RemoteException e) {
 681                 Log_OC.e(TAG,
 682                         "Couldn't determine file existance, assuming non existance: "
 683                                 + e.getMessage());
 684                 return false;
 685             }
 686         }
 687         boolean retval = c.moveToFirst();
 688         c.close();
 689         return retval;
 690     }
 691
 692     private Cursor getCursorForValue(String key, String value) {
 693         Cursor c = null;
 694         if (getContentResolver() != null) {
 695             c = getContentResolver()
 696                     .query(ProviderTableMeta.CONTENT_URI,
 697                             null,
 698                             key + "=? AND "
 699                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 700                                     + "=?",
 701                                     new String[] { value, mAccount.name }, null);
 702         } else {
 703             try {
 704                 c = getContentProviderClient().query(
 705                         ProviderTableMeta.CONTENT_URI,
 706                         null,
 707                         key + "=? AND " + ProviderTableMeta.FILE_ACCOUNT_OWNER
 708                         + "=?", new String[] { value, mAccount.name },
 709                         null);
 710             } catch (RemoteException e) {
 711                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 712                 c = null;
 713             }
 714         }
 715         return c;
 716     }
 717
 718
 719     private OCFile createFileInstance(Cursor c) {
 720         OCFile file = null;
 721         if (c != null) {
 722             file = new OCFile(c.getString(c
 723                     .getColumnIndex(ProviderTableMeta.FILE_PATH)));
 724             file.setFileId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
 725             file.setParentId(c.getLong(c
 726                     .getColumnIndex(ProviderTableMeta.FILE_PARENT)));
 727             file.setMimetype(c.getString(c
 728                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE)));
 729             if (!file.isFolder()) {
 730                 file.setStoragePath(c.getString(c
 731                         .getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH)));
 732                 if (file.getStoragePath() == null) {
 733                     // 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
 734                     File f = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 735                     if (f.exists()) {
 736                         file.setStoragePath(f.getAbsolutePath());
 737                         file.setLastSyncDateForData(f.lastModified());
 738                     }
 739                 }
 740             }
 741             file.setFileLength(c.getLong(c
 742                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH)));
 743             file.setCreationTimestamp(c.getLong(c
 744                     .getColumnIndex(ProviderTableMeta.FILE_CREATION)));
 745             file.setModificationTimestamp(c.getLong(c
 746                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED)));
 747             file.setModificationTimestampAtLastSyncForData(c.getLong(c
 748                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA)));
 749             file.setLastSyncDateForProperties(c.getLong(c
 750                     .getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE)));
 751             file.setLastSyncDateForData(c.getLong(c.
 752                     getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA)));
 753             file.setKeepInSync(c.getInt(
 754                     c.getColumnIndex(ProviderTableMeta.FILE_KEEP_IN_SYNC)) == 1 ? true : false);
 755             file.setEtag(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG)));
 756             file.setShareByLink(c.getInt(
 757                     c.getColumnIndex(ProviderTableMeta.FILE_SHARE_BY_LINK)) == 1 ? true : false);
 758             file.setPublicLink(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PUBLIC_LINK)));
 759             file.setPermissions(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PERMISSIONS)));
 760             file.setRemoteId(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_REMOTE_ID)));
 761
 762         }
 763         return file;
 764     }
 765
 766     /**
 767      * Returns if the file/folder is shared by link or not
 768      * @param path  Path of the file/folder
 769      * @return
 770      */
 771     public boolean isShareByLink(String path) {
 772         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 773         OCFile file = null;
 774         if (c.moveToFirst()) {
 775             file = createFileInstance(c);
 776         }
 777         c.close();
 778         return file.isShareByLink();
 779     }
 780
 781     /**
 782      * Returns the public link of the file/folder
 783      * @param path  Path of the file/folder
 784      * @return
 785      */
 786     public String getPublicLink(String path) {
 787         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 788         OCFile file = null;
 789         if (c.moveToFirst()) {
 790             file = createFileInstance(c);
 791         }
 792         c.close();
 793         return file.getPublicLink();
 794     }
 795
 796
 797     // Methods for Shares
 798     public boolean saveShare(OCShare share) {
 799         boolean overriden = false;
 800         ContentValues cv = new ContentValues();
 801         cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
 802         cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
 803         cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
 804         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
 805         cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
 806         cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
 807         cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
 808         cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
 809         cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
 810         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME, share.getSharedWithDisplayName());
 811         cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
 812         cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
 813         cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
 814         cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
 815
 816         if (shareExists(share.getIdRemoteShared())) {           // for renamed files; no more delete and create
 817
 818             overriden = true;
 819             if (getContentResolver() != null) {
 820                 getContentResolver().update(ProviderTableMeta.CONTENT_URI_SHARE, cv,
 821                         ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 822                         new String[] { String.valueOf(share.getIdRemoteShared()) });
 823             } else {
 824                 try {
 825                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_SHARE,
 826                             cv, ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 827                             new String[] { String.valueOf(share.getIdRemoteShared()) });
 828                 } catch (RemoteException e) {
 829                     Log_OC.e(TAG,
 830                             "Fail to insert insert file to database "
 831                                     + e.getMessage());
 832                 }
 833             }
 834         } else {
 835             Uri result_uri = null;
 836             if (getContentResolver() != null) {
 837                 result_uri = getContentResolver().insert(
 838                         ProviderTableMeta.CONTENT_URI_SHARE, cv);
 839             } else {
 840                 try {
 841                     result_uri = getContentProviderClient().insert(
 842                             ProviderTableMeta.CONTENT_URI_SHARE, cv);
 843                 } catch (RemoteException e) {
 844                     Log_OC.e(TAG,
 845                             "Fail to insert insert file to database "
 846                                     + e.getMessage());
 847                 }
 848             }
 849             if (result_uri != null) {
 850                 long new_id = Long.parseLong(result_uri.getPathSegments()
 851                         .get(1));
 852                 share.setId(new_id);
 853             }
 854         }
 855
 856         return overriden;
 857     }
 858
 859
 860     public OCShare getFirstShareByPathAndType(String path, ShareType type) {
 861         Cursor c = null;
 862         if (getContentResolver() != null) {
 863             c = getContentResolver().query(
 864                     ProviderTableMeta.CONTENT_URI_SHARE,
 865                     null,
 866                     ProviderTableMeta.OCSHARES_PATH + "=? AND "
 867                             + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
 868                             + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
 869                     new String[] { path, Integer.toString(type.getValue()), mAccount.name },
 870                     null);
 871         } else {
 872             try {
 873                 c = getContentProviderClient().query(
 874                         ProviderTableMeta.CONTENT_URI_SHARE,
 875                         null,
 876                         ProviderTableMeta.OCSHARES_PATH + "=? AND "
 877                                 + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
 878                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
 879                         new String[] { path, Integer.toString(type.getValue()), mAccount.name },
 880                         null);
 881
 882             } catch (RemoteException e) {
 883                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 884                 c = null;
 885             }
 886         }
 887         OCShare share = null;
 888         if (c.moveToFirst()) {
 889             share = createShareInstance(c);
 890         }
 891         c.close();
 892         return share;
 893     }
 894
 895     private OCShare createShareInstance(Cursor c) {
 896         OCShare share = null;
 897         if (c != null) {
 898             share = new OCShare(c.getString(c
 899                     .getColumnIndex(ProviderTableMeta.OCSHARES_PATH)));
 900             share.setId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
 901             share.setFileSource(c.getLong(c
 902                     .getColumnIndex(ProviderTableMeta.OCSHARES_ITEM_SOURCE)));
 903             share.setShareType(ShareType.fromValue(c.getInt(c
 904                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_TYPE))));
 905             share.setPermissions(c.getInt(c
 906                     .getColumnIndex(ProviderTableMeta.OCSHARES_PERMISSIONS)));
 907             share.setSharedDate(c.getLong(c
 908                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARED_DATE)));
 909             share.setExpirationDate(c.getLong(c
 910                     .getColumnIndex(ProviderTableMeta.OCSHARES_EXPIRATION_DATE)));
 911             share.setToken(c.getString(c
 912                     .getColumnIndex(ProviderTableMeta.OCSHARES_TOKEN)));
 913             share.setSharedWithDisplayName(c.getString(c
 914                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME)));
 915             share.setIsFolder(c.getInt(
 916                     c.getColumnIndex(ProviderTableMeta.OCSHARES_IS_DIRECTORY)) == 1 ? true : false);
 917             share.setUserId(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_USER_ID)));
 918             share.setIdRemoteShared(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED)));
 919
 920         }
 921         return share;
 922     }
 923
 924     private boolean shareExists(String cmp_key, String value) {
 925         Cursor c;
 926         if (getContentResolver() != null) {
 927             c = getContentResolver()
 928                     .query(ProviderTableMeta.CONTENT_URI_SHARE,
 929                             null,
 930                             cmp_key + "=? AND "
 931                                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
 932                                     + "=?",
 933                                     new String[] { value, mAccount.name }, null);
 934         } else {
 935             try {
 936                 c = getContentProviderClient().query(
 937                         ProviderTableMeta.CONTENT_URI_SHARE,
 938                         null,
 939                         cmp_key + "=? AND "
 940                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
 941                                 new String[] { value, mAccount.name }, null);
 942             } catch (RemoteException e) {
 943                 Log_OC.e(TAG,
 944                         "Couldn't determine file existance, assuming non existance: "
 945                                 + e.getMessage());
 946                 return false;
 947             }
 948         }
 949         boolean retval = c.moveToFirst();
 950         c.close();
 951         return retval;
 952     }
 953
 954     private boolean shareExists(long remoteId) {
 955         return shareExists(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, String.valueOf(remoteId));
 956     }
 957
 958     private void cleanSharedFiles() {
 959         ContentValues cv = new ContentValues();
 960         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
 961         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
 962         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?";
 963         String [] whereArgs = new String[]{mAccount.name};
 964
 965         if (getContentResolver() != null) {
 966             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
 967
 968         } else {
 969             try {
 970                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
 971
 972             } catch (RemoteException e) {
 973                 Log_OC.e(TAG, "Exception in cleanSharedFiles" + e.getMessage());
 974             }
 975         }
 976     }
 977
 978     private void cleanSharedFilesInFolder(OCFile folder) {
 979         ContentValues cv = new ContentValues();
 980         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
 981         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
 982         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " + ProviderTableMeta.FILE_PARENT + "=?";
 983         String [] whereArgs = new String[] { mAccount.name , String.valueOf(folder.getFileId()) };
 984
 985         if (getContentResolver() != null) {
 986             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
 987
 988         } else {
 989             try {
 990                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
 991
 992             } catch (RemoteException e) {
 993                 Log_OC.e(TAG, "Exception in cleanSharedFilesInFolder " + e.getMessage());
 994             }
 995         }
 996     }
 997
 998     private void cleanShares() {
 999         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1000         String [] whereArgs = new String[]{mAccount.name};
1001
1002         if (getContentResolver() != null) {
1003             getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1004
1005         } else {
1006             try {
1007                 getContentProviderClient().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1008
1009             } catch (RemoteException e) {
1010                 Log_OC.e(TAG, "Exception in cleanShares" + e.getMessage());
1011             }
1012         }
1013     }
1014
1015     public void saveShares(Collection<OCShare> shares) {
1016         cleanShares();
1017         if (shares != null) {
1018             ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>(shares.size());
1019
1020             // prepare operations to insert or update files to save in the given folder
1021             for (OCShare share : shares) {
1022                 ContentValues cv = new ContentValues();
1023                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1024                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1025                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1026                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1027                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1028                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1029                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1030                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1031                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1032                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME, share.getSharedWithDisplayName());
1033                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1034                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1035                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1036                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1037
1038                 if (shareExists(share.getIdRemoteShared())) {
1039                     // updating an existing file
1040                     operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1041                             withValues(cv).
1042                             withSelection(  ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1043                                     new String[] { String.valueOf(share.getIdRemoteShared()) })
1044                                     .build());
1045
1046                 } else {
1047                     // adding a new file
1048                     operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).withValues(cv).build());
1049                 }
1050             }
1051
1052             // apply operations in batch
1053             if (operations.size() > 0) {
1054                 @SuppressWarnings("unused")
1055                 ContentProviderResult[] results = null;
1056                 Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1057                 try {
1058                     if (getContentResolver() != null) {
1059                         results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1060
1061                     } else {
1062                         results = getContentProviderClient().applyBatch(operations);
1063                     }
1064
1065                 } catch (OperationApplicationException e) {
1066                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1067
1068                 } catch (RemoteException e) {
1069                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1070                 }
1071             }
1072         }
1073
1074     }
1075
1076     public void updateSharedFiles(Collection<OCFile> sharedFiles) {
1077         cleanSharedFiles();
1078
1079         if (sharedFiles != null) {
1080             ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>(sharedFiles.size());
1081
1082             // prepare operations to insert or update files to save in the given folder
1083             for (OCFile file : sharedFiles) {
1084                 ContentValues cv = new ContentValues();
1085                 cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
1086                 cv.put(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA, file.getModificationTimestampAtLastSyncForData());
1087                 cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
1088                 cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
1089                 cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
1090                 cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
1091                 cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
1092                 cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
1093                 if (!file.isFolder()) {
1094                     cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
1095                 }
1096                 cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
1097                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
1098                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
1099                 cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
1100                 cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
1101                 cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
1102                 cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
1103                 cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
1104                 cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
1105
1106                 boolean existsByPath = fileExists(file.getRemotePath());
1107                 if (existsByPath || fileExists(file.getFileId())) {
1108                     // updating an existing file
1109                     operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
1110                             withValues(cv).
1111                             withSelection(  ProviderTableMeta._ID + "=?",
1112                                     new String[] { String.valueOf(file.getFileId()) })
1113                                     .build());
1114
1115                 } else {
1116                     // adding a new file
1117                     operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).withValues(cv).build());
1118                 }
1119             }
1120
1121             // apply operations in batch
1122             if (operations.size() > 0) {
1123                 @SuppressWarnings("unused")
1124                 ContentProviderResult[] results = null;
1125                 Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1126                 try {
1127                     if (getContentResolver() != null) {
1128                         results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1129
1130                     } else {
1131                         results = getContentProviderClient().applyBatch(operations);
1132                     }
1133
1134                 } catch (OperationApplicationException e) {
1135                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1136
1137                 } catch (RemoteException e) {
1138                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1139                 }
1140             }
1141         }
1142
1143     }
1144
1145     public void removeShare(OCShare share){
1146         Uri share_uri = ProviderTableMeta.CONTENT_URI_SHARE;
1147         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?" + " AND " + ProviderTableMeta.FILE_PATH + "=?";
1148         String [] whereArgs = new String[]{mAccount.name, share.getPath()};
1149         if (getContentProviderClient() != null) {
1150             try {
1151                 getContentProviderClient().delete(share_uri, where, whereArgs);
1152             } catch (RemoteException e) {
1153                 e.printStackTrace();
1154             }
1155         } else {
1156             getContentResolver().delete(share_uri, where, whereArgs);
1157         }
1158     }
1159
1160     public void saveSharesDB(ArrayList<OCShare> shares) {
1161         saveShares(shares);
1162
1163         ArrayList<OCFile> sharedFiles = new ArrayList<OCFile>();
1164
1165         for (OCShare share : shares) {
1166             // Get the path
1167             String path = share.getPath();
1168             if (share.isFolder()) {
1169                 path = path + FileUtils.PATH_SEPARATOR;
1170             }
1171
1172             // Update OCFile with data from share: ShareByLink  ¿and publicLink?
1173             OCFile file = getFileByPath(path);
1174             if (file != null) {
1175                 if (share.getShareType().equals(ShareType.PUBLIC_LINK)) {
1176                     file.setShareByLink(true);
1177                     sharedFiles.add(file);
1178                 }
1179             }
1180         }
1181
1182         updateSharedFiles(sharedFiles);
1183     }
1184
1185
1186     public void saveSharesInFolder(ArrayList<OCShare> shares, OCFile folder) {
1187         cleanSharedFilesInFolder(folder);
1188         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1189         operations = prepareRemoveSharesInFolder(folder, operations);
1190
1191         if (shares != null) {
1192             // prepare operations to insert or update files to save in the given folder
1193             for (OCShare share : shares) {
1194                 ContentValues cv = new ContentValues();
1195                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1196                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1197                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1198                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1199                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1200                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1201                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1202                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1203                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1204                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME, share.getSharedWithDisplayName());
1205                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1206                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1207                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1208                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1209
1210                 /*
1211                 if (shareExists(share.getIdRemoteShared())) {
1212                     // updating an existing share resource
1213                     operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1214                             withValues(cv).
1215                             withSelection(  ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1216                                     new String[] { String.valueOf(share.getIdRemoteShared()) })
1217                                     .build());
1218
1219                 } else {
1220                 */
1221                 // adding a new share resource
1222                 operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).withValues(cv).build());
1223                 //}
1224             }
1225         }
1226
1227         // apply operations in batch
1228         if (operations.size() > 0) {
1229             @SuppressWarnings("unused")
1230             ContentProviderResult[] results = null;
1231             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1232             try {
1233                 if (getContentResolver() != null) {
1234                     results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1235
1236                 } else {
1237                     results = getContentProviderClient().applyBatch(operations);
1238                 }
1239
1240             } catch (OperationApplicationException e) {
1241                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1242
1243             } catch (RemoteException e) {
1244                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1245             }
1246         }
1247         //}
1248
1249     }
1250
1251     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFolder(OCFile folder, ArrayList<ContentProviderOperation> preparedOperations) {
1252         if (folder != null) {
1253             String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND " + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1254             String [] whereArgs = new String[]{ "", mAccount.name };
1255
1256             Vector<OCFile> files = getFolderContent(folder);
1257
1258             for (OCFile file : files) {
1259                 whereArgs[0] = file.getRemotePath();
1260                 preparedOperations.add(ContentProviderOperation.newDelete(ProviderTableMeta.CONTENT_URI_SHARE)
1261                         .withSelection(where, whereArgs)
1262                         .build());
1263             }
1264         }
1265         return preparedOperations;
1266
1267         /*
1268         if (operations.size() > 0) {
1269             try {
1270                 if (getContentResolver() != null) {
1271                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1272
1273                 } else {
1274                     getContentProviderClient().applyBatch(operations);
1275                 }
1276
1277             } catch (OperationApplicationException e) {
1278                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1279
1280             } catch (RemoteException e) {
1281                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1282             }
1283         }
1284         */
1285
1286             /*
1287             if (getContentResolver() != null) {
1288
1289                 getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE,
1290                                             where,
1291                                             whereArgs);
1292             } else {
1293                 try {
1294                     getContentProviderClient().delete(  ProviderTableMeta.CONTENT_URI_SHARE,
1295                                                         where,
1296                                                         whereArgs);
1297
1298                 } catch (RemoteException e) {
1299                     Log_OC.e(TAG, "Exception deleting shares in a folder " + e.getMessage());
1300                 }
1301             }
1302             */
1303         //}
1304     }
1305 }