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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012  Bartek Przybylski
   3  *   Copyright (C) 2012-2013 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package com.owncloud.android.datamodel;
  20
  21 import java.io.File;
  22 import java.util.ArrayList;
  23 import java.util.Collection;
  24 import java.util.Collections;
  25 import java.util.Iterator;
  26 import java.util.Vector;
  27
  28 import com.owncloud.android.MainApp;
  29 import com.owncloud.android.db.ProviderMeta.ProviderTableMeta;
  30 import com.owncloud.android.lib.resources.shares.OCShare;
  31 import com.owncloud.android.lib.resources.shares.ShareType;
  32 import com.owncloud.android.lib.resources.files.FileUtils;
  33 import com.owncloud.android.utils.FileStorageUtils;
  34 import com.owncloud.android.utils.Log_OC;
  35
  36 import android.accounts.Account;
  37 import android.content.ContentProviderClient;
  38 import android.content.ContentProviderOperation;
  39 import android.content.ContentProviderResult;
  40 import android.content.ContentResolver;
  41 import android.content.ContentUris;
  42 import android.content.ContentValues;
  43 import android.content.OperationApplicationException;
  44 import android.database.Cursor;
  45 import android.net.Uri;
  46 import android.os.RemoteException;
  47
  48 public class FileDataStorageManager {
  49
  50     public static final int ROOT_PARENT_ID = 0;
  51
  52     private ContentResolver mContentResolver;
  53     private ContentProviderClient mContentProviderClient;
  54     private Account mAccount;
  55
  56     private static String TAG = FileDataStorageManager.class.getSimpleName();
  57
  58
  59     public FileDataStorageManager(Account account, ContentResolver cr) {
  60         mContentProviderClient = null;
  61         mContentResolver = cr;
  62         mAccount = account;
  63     }
  64
  65     public FileDataStorageManager(Account account, ContentProviderClient cp) {
  66         mContentProviderClient = cp;
  67         mContentResolver = null;
  68         mAccount = account;
  69     }
  70
  71
  72     public void setAccount(Account account) {
  73         mAccount = account;
  74     }
  75
  76     public Account getAccount() {
  77         return mAccount;
  78     }
  79
  80     public void setContentResolver(ContentResolver cr) {
  81         mContentResolver = cr;
  82     }
  83
  84     public ContentResolver getContentResolver() {
  85         return mContentResolver;
  86     }
  87
  88     public void setContentProviderClient(ContentProviderClient cp) {
  89         mContentProviderClient = cp;
  90     }
  91
  92     public ContentProviderClient getContentProviderClient() {
  93         return mContentProviderClient;
  94     }
  95
  96
  97     public OCFile getFileByPath(String path) {
  98         Cursor c = getCursorForValue(ProviderTableMeta.FILE_PATH, path);
  99         OCFile file = null;
 100         if (c.moveToFirst()) {
 101             file = createFileInstance(c);
 102         }
 103         c.close();
 104         if (file == null && OCFile.ROOT_PATH.equals(path)) {
 105             return createRootDir(); // root should always exist
 106         }
 107         return file;
 108     }
 109
 110
 111     public OCFile getFileById(long id) {
 112         Cursor c = getCursorForValue(ProviderTableMeta._ID, String.valueOf(id));
 113         OCFile file = null;
 114         if (c.moveToFirst()) {
 115             file = createFileInstance(c);
 116         }
 117         c.close();
 118         return file;
 119     }
 120
 121     public OCFile getFileByLocalPath(String path) {
 122         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 123         OCFile file = null;
 124         if (c.moveToFirst()) {
 125             file = createFileInstance(c);
 126         }
 127         c.close();
 128         return file;
 129     }
 130
 131     public boolean fileExists(long id) {
 132         return fileExists(ProviderTableMeta._ID, String.valueOf(id));
 133     }
 134
 135     public boolean fileExists(String path) {
 136         return fileExists(ProviderTableMeta.FILE_PATH, path);
 137     }
 138
 139
 140     public Vector<OCFile> getFolderContent(OCFile f) {
 141         if (f != null && f.isFolder() && f.getFileId() != -1) {
 142             return getFolderContent(f.getFileId());
 143
 144         } else {
 145             return new Vector<OCFile>();
 146         }
 147     }
 148
 149
 150     public Vector<OCFile> getFolderImages(OCFile folder) {
 151         Vector<OCFile> ret = new Vector<OCFile>();
 152         if (folder != null) {
 153             // TODO better implementation, filtering in the access to database (if possible) instead of here
 154             Vector<OCFile> tmp = getFolderContent(folder);
 155             OCFile current = null;
 156             for (int i=0; i<tmp.size(); i++) {
 157                 current = tmp.get(i);
 158                 if (current.isImage()) {
 159                     ret.add(current);
 160                 }
 161             }
 162         }
 163         return ret;
 164     }
 165
 166
 167     public boolean saveFile(OCFile file) {
 168         boolean overriden = false;
 169         ContentValues cv = new ContentValues();
 170         cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 171         cv.put(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA, file.getModificationTimestampAtLastSyncForData());
 172         cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 173         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 174         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 175         cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 176         //if (file.getParentId() != DataStorageManager.ROOT_PARENT_ID)
 177             cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 178         cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 179         if (!file.isFolder())
 180             cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 181         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 182         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 183         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 184         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
 185         cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 186         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
 187         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 188
 189         boolean sameRemotePath = fileExists(file.getRemotePath());
 190         if (sameRemotePath ||
 191                 fileExists(file.getFileId())        ) {           // for renamed files; no more delete and create
 192
 193             OCFile oldFile = null;
 194             if (sameRemotePath) {
 195                 oldFile = getFileByPath(file.getRemotePath());
 196                 file.setFileId(oldFile.getFileId());
 197             } else {
 198                 oldFile = getFileById(file.getFileId());
 199             }
 200
 201             overriden = true;
 202             if (getContentResolver() != null) {
 203                 getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv,
 204                         ProviderTableMeta._ID + "=?",
 205                         new String[] { String.valueOf(file.getFileId()) });
 206             } else {
 207                 try {
 208                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI,
 209                             cv, ProviderTableMeta._ID + "=?",
 210                             new String[] { String.valueOf(file.getFileId()) });
 211                 } catch (RemoteException e) {
 212                     Log_OC.e(TAG,
 213                             "Fail to insert insert file to database "
 214                                     + e.getMessage());
 215                 }
 216             }
 217         } else {
 218             Uri result_uri = null;
 219             if (getContentResolver() != null) {
 220                 result_uri = getContentResolver().insert(
 221                         ProviderTableMeta.CONTENT_URI_FILE, cv);
 222             } else {
 223                 try {
 224                     result_uri = getContentProviderClient().insert(
 225                             ProviderTableMeta.CONTENT_URI_FILE, cv);
 226                 } catch (RemoteException e) {
 227                     Log_OC.e(TAG,
 228                             "Fail to insert insert file to database "
 229                                     + e.getMessage());
 230                 }
 231             }
 232             if (result_uri != null) {
 233                 long new_id = Long.parseLong(result_uri.getPathSegments()
 234                         .get(1));
 235                 file.setFileId(new_id);
 236             }
 237         }
 238
 239 //        if (file.isFolder()) {
 240 //            updateFolderSize(file.getFileId());
 241 //        } else {
 242 //            updateFolderSize(file.getParentId());
 243 //        }
 244
 245         return overriden;
 246     }
 247
 248
 249     /**
 250      * Inserts or updates the list of files contained in a given folder.
 251      *
 252      * CALLER IS THE RESPONSIBLE FOR GRANTING RIGHT UPDATE OF INFORMATION, NOT THIS METHOD.
 253      * HERE ONLY DATA CONSISTENCY SHOULD BE GRANTED
 254      *
 255      * @param folder
 256      * @param files
 257      * @param removeNotUpdated
 258      */
 259     public void saveFolder(OCFile folder, Collection<OCFile> updatedFiles, Collection<OCFile> filesToRemove) {
 260
 261         Log_OC.d(TAG,  "Saving folder " + folder.getRemotePath() + " with " + updatedFiles.size() + " children and " + filesToRemove.size() + " files to remove");
 262
 263         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>(updatedFiles.size());
 264
 265         // prepare operations to insert or update files to save in the given folder
 266         for (OCFile file : updatedFiles) {
 267             ContentValues cv = new ContentValues();
 268             cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 269             cv.put(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA, file.getModificationTimestampAtLastSyncForData());
 270             cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 271             cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 272             cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 273             cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 274             //cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 275             cv.put(ProviderTableMeta.FILE_PARENT, folder.getFileId());
 276             cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 277             if (!file.isFolder()) {
 278                 cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 279             }
 280             cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 281             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 282             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 283             cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
 284             cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 285             cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
 286             cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 287
 288             boolean existsByPath = fileExists(file.getRemotePath());
 289             if (existsByPath || fileExists(file.getFileId())) {
 290                 // updating an existing file
 291                 operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 292                         withValues(cv).
 293                         withSelection(  ProviderTableMeta._ID + "=?",
 294                                 new String[] { String.valueOf(file.getFileId()) })
 295                                 .build());
 296
 297             } else {
 298                 // adding a new file
 299                 operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).withValues(cv).build());
 300             }
 301         }
 302
 303         // prepare operations to remove files in the given folder
 304         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " + ProviderTableMeta.FILE_PATH + "=?";
 305         String [] whereArgs = null;
 306         for (OCFile file : filesToRemove) {
 307             if (file.getParentId() == folder.getFileId()) {
 308                 whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 309                 //Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE, "" + file.getFileId());
 310                 if (file.isFolder()) {
 311                     operations.add(ContentProviderOperation
 312                                     .newDelete(ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_DIR, file.getFileId())).withSelection(where, whereArgs)
 313                                         .build());
 314                     // TODO remove local folder
 315                 } else {
 316                     operations.add(ContentProviderOperation
 317                                     .newDelete(ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_FILE, file.getFileId())).withSelection(where, whereArgs)
 318                                         .build());
 319                     if (file.isDown()) {
 320                         new File(file.getStoragePath()).delete();
 321                         // TODO move the deletion of local contents after success of deletions
 322                     }
 323                 }
 324             }
 325         }
 326
 327         // update metadata of folder
 328         ContentValues cv = new ContentValues();
 329         cv.put(ProviderTableMeta.FILE_MODIFIED, folder.getModificationTimestamp());
 330         cv.put(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA, folder.getModificationTimestampAtLastSyncForData());
 331         cv.put(ProviderTableMeta.FILE_CREATION, folder.getCreationTimestamp());
 332         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, 0);   // FileContentProvider calculates the right size
 333         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, folder.getMimetype());
 334         cv.put(ProviderTableMeta.FILE_NAME, folder.getFileName());
 335         cv.put(ProviderTableMeta.FILE_PARENT, folder.getParentId());
 336         cv.put(ProviderTableMeta.FILE_PATH, folder.getRemotePath());
 337         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 338         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, folder.getLastSyncDateForProperties());
 339         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, folder.getLastSyncDateForData());
 340         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, folder.keepInSync() ? 1 : 0);
 341         cv.put(ProviderTableMeta.FILE_ETAG, folder.getEtag());
 342         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, folder.isShareByLink() ? 1 : 0);
 343         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, folder.getPublicLink());
 344
 345         operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 346                 withValues(cv).
 347                 withSelection(  ProviderTableMeta._ID + "=?",
 348                         new String[] { String.valueOf(folder.getFileId()) })
 349                         .build());
 350
 351         // apply operations in batch
 352         ContentProviderResult[] results = null;
 353         Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
 354         try {
 355             if (getContentResolver() != null) {
 356                 results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 357
 358             } else {
 359                 results = getContentProviderClient().applyBatch(operations);
 360             }
 361
 362         } catch (OperationApplicationException e) {
 363             Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
 364
 365         } catch (RemoteException e) {
 366             Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
 367         }
 368
 369         // update new id in file objects for insertions
 370         if (results != null) {
 371             long newId;
 372             Iterator<OCFile> filesIt = updatedFiles.iterator();
 373             OCFile file = null;
 374             for (int i=0; i<results.length; i++) {
 375                 if (filesIt.hasNext()) {
 376                     file = filesIt.next();
 377                 } else {
 378                     file = null;
 379                 }
 380                 if (results[i].uri != null) {
 381                     newId = Long.parseLong(results[i].uri.getPathSegments().get(1));
 382                     //updatedFiles.get(i).setFileId(newId);
 383                     if (file != null) {
 384                         file.setFileId(newId);
 385                     }
 386                 }
 387             }
 388         }
 389
 390         //updateFolderSize(folder.getFileId());
 391
 392     }
 393
 394
 395 //    /**
 396 //     *
 397 //     * @param id
 398 //     */
 399 //    private void updateFolderSize(long id) {
 400 //        if (id > FileDataStorageManager.ROOT_PARENT_ID) {
 401 //            Log_OC.d(TAG, "Updating size of " + id);
 402 //            if (getContentResolver() != null) {
 403 //                getContentResolver().update(ProviderTableMeta.CONTENT_URI_DIR,
 404 //                        new ContentValues(),    // won't be used, but cannot be null; crashes in KLP
 405 //                        ProviderTableMeta._ID + "=?",
 406 //                        new String[] { String.valueOf(id) });
 407 //            } else {
 408 //                try {
 409 //                    getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_DIR,
 410 //                            new ContentValues(),    // won't be used, but cannot be null; crashes in KLP
 411 //                            ProviderTableMeta._ID + "=?",
 412 //                            new String[] { String.valueOf(id) });
 413 //
 414 //                } catch (RemoteException e) {
 415 //                    Log_OC.e(TAG, "Exception in update of folder size through compatibility patch " + e.getMessage());
 416 //                }
 417 //            }
 418 //        } else {
 419 //            Log_OC.e(TAG,  "not updating size for folder " + id);
 420 //        }
 421 //    }
 422
 423
 424     public void removeFile(OCFile file, boolean removeDBData, boolean removeLocalCopy) {
 425         if (file != null) {
 426             if (file.isFolder()) {
 427                 removeFolder(file, removeDBData, removeLocalCopy);
 428
 429             } else {
 430                 if (removeDBData) {
 431                     //Uri file_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE, ""+file.getFileId());
 432                     Uri file_uri = ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_FILE, file.getFileId());
 433                     String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " + ProviderTableMeta.FILE_PATH + "=?";
 434                     String [] whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 435                     if (getContentProviderClient() != null) {
 436                         try {
 437                             getContentProviderClient().delete(file_uri, where, whereArgs);
 438                         } catch (RemoteException e) {
 439                             e.printStackTrace();
 440                         }
 441                     } else {
 442                         getContentResolver().delete(file_uri, where, whereArgs);
 443                     }
 444                     //updateFolderSize(file.getParentId());
 445                 }
 446                 if (removeLocalCopy && file.isDown() && file.getStoragePath() != null) {
 447                     boolean success = new File(file.getStoragePath()).delete();
 448                     if (!removeDBData && success) {
 449                         // maybe unnecessary, but should be checked TODO remove if unnecessary
 450                         file.setStoragePath(null);
 451                         saveFile(file);
 452                     }
 453                 }
 454             }
 455         }
 456     }
 457
 458
 459     public void removeFolder(OCFile folder, boolean removeDBData, boolean removeLocalContent) {
 460         if (folder != null && folder.isFolder()) {
 461             if (removeDBData &&  folder.getFileId() != -1) {
 462                 removeFolderInDb(folder);
 463             }
 464             if (removeLocalContent) {
 465                 File localFolder = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, folder));
 466                 removeLocalFolder(localFolder);
 467             }
 468         }
 469     }
 470
 471     private void removeFolderInDb(OCFile folder) {
 472         Uri folder_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, ""+ folder.getFileId());   // URI for recursive deletion
 473         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " + ProviderTableMeta.FILE_PATH + "=?";
 474         String [] whereArgs = new String[]{mAccount.name, folder.getRemotePath()};
 475         if (getContentProviderClient() != null) {
 476             try {
 477                 getContentProviderClient().delete(folder_uri, where, whereArgs);
 478             } catch (RemoteException e) {
 479                 e.printStackTrace();
 480             }
 481         } else {
 482             getContentResolver().delete(folder_uri, where, whereArgs);
 483         }
 484         //updateFolderSize(folder.getParentId());
 485     }
 486
 487     private void removeLocalFolder(File folder) {
 488         if (folder.exists()) {
 489             File[] files = folder.listFiles();
 490             if (files != null) {
 491                 for (File file : files) {
 492                     if (file.isDirectory()) {
 493                         removeLocalFolder(file);
 494                     } else {
 495                         file.delete();
 496                     }
 497                 }
 498             }
 499             folder.delete();
 500         }
 501     }
 502
 503     /**
 504      * Updates database for a folder that was moved to a different location.
 505      *
 506      * TODO explore better (faster) implementations
 507      * TODO throw exceptions up !
 508      */
 509     public void moveFolder(OCFile folder, String newPath) {
 510         // TODO check newPath
 511
 512         if (folder != null && folder.isFolder() && folder.fileExists() && !OCFile.ROOT_PATH.equals(folder.getFileName())) {
 513             /// 1. get all the descendants of 'dir' in a single QUERY (including 'dir')
 514             Cursor c = null;
 515             if (getContentProviderClient() != null) {
 516                 try {
 517                     c = getContentProviderClient().query(ProviderTableMeta.CONTENT_URI,
 518                             null,
 519                             ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " + ProviderTableMeta.FILE_PATH + " LIKE ? ",
 520                             new String[] { mAccount.name, folder.getRemotePath() + "%"  }, ProviderTableMeta.FILE_PATH + " ASC ");
 521                 } catch (RemoteException e) {
 522                     Log_OC.e(TAG, e.getMessage());
 523                 }
 524             } else {
 525                 c = getContentResolver().query(ProviderTableMeta.CONTENT_URI,
 526                         null,
 527                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " + ProviderTableMeta.FILE_PATH + " LIKE ? ",
 528                         new String[] { mAccount.name, folder.getRemotePath() + "%"  }, ProviderTableMeta.FILE_PATH + " ASC ");
 529             }
 530
 531             /// 2. prepare a batch of update operations to change all the descendants
 532             ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>(c.getCount());
 533             int lengthOfOldPath = folder.getRemotePath().length();
 534             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 535             int lengthOfOldStoragePath = defaultSavePath.length() + lengthOfOldPath;
 536             if (c.moveToFirst()) {
 537                 do {
 538                     ContentValues cv = new ContentValues(); // don't take the constructor out of the loop and clear the object
 539                     OCFile child = createFileInstance(c);
 540                     cv.put(ProviderTableMeta.FILE_PATH, newPath + child.getRemotePath().substring(lengthOfOldPath));
 541                     if (child.getStoragePath() != null && child.getStoragePath().startsWith(defaultSavePath)) {
 542                         cv.put(ProviderTableMeta.FILE_STORAGE_PATH, defaultSavePath + newPath + child.getStoragePath().substring(lengthOfOldStoragePath));
 543                     }
 544                     operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 545                             withValues(cv).
 546                             withSelection(  ProviderTableMeta._ID + "=?",
 547                                     new String[] { String.valueOf(child.getFileId()) })
 548                                     .build());
 549                 } while (c.moveToNext());
 550             }
 551             c.close();
 552
 553             /// 3. apply updates in batch
 554             try {
 555                 if (getContentResolver() != null) {
 556                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 557
 558                 } else {
 559                     getContentProviderClient().applyBatch(operations);
 560                 }
 561
 562             } catch (OperationApplicationException e) {
 563                 Log_OC.e(TAG, "Fail to update descendants of " + folder.getFileId() + " in database", e);
 564
 565             } catch (RemoteException e) {
 566                 Log_OC.e(TAG, "Fail to update desendants of " + folder.getFileId() + " in database", e);
 567             }
 568
 569         }
 570     }
 571
 572
 573     private Vector<OCFile> getFolderContent(long parentId) {
 574
 575         Vector<OCFile> ret = new Vector<OCFile>();
 576
 577         Uri req_uri = Uri.withAppendedPath(
 578                 ProviderTableMeta.CONTENT_URI_DIR,
 579                 String.valueOf(parentId));
 580         Cursor c = null;
 581
 582         if (getContentProviderClient() != null) {
 583             try {
 584                 c = getContentProviderClient().query(req_uri, null,
 585                         ProviderTableMeta.FILE_PARENT + "=?" ,
 586                         new String[] { String.valueOf(parentId)}, null);
 587             } catch (RemoteException e) {
 588                 Log_OC.e(TAG, e.getMessage());
 589                 return ret;
 590             }
 591         } else {
 592             c = getContentResolver().query(req_uri, null,
 593                     ProviderTableMeta.FILE_PARENT + "=?" ,
 594                     new String[] { String.valueOf(parentId)}, null);
 595         }
 596
 597         if (c.moveToFirst()) {
 598             do {
 599                 OCFile child = createFileInstance(c);
 600                 ret.add(child);
 601             } while (c.moveToNext());
 602         }
 603
 604         c.close();
 605
 606         Collections.sort(ret);
 607
 608         return ret;
 609     }
 610
 611
 612     public Cursor getContent(long parentId) {
 613         Log_OC.d(TAG, "getContent start");
 614         Uri req_uri = Uri.withAppendedPath(
 615                 ProviderTableMeta.CONTENT_URI_DIR,
 616                 String.valueOf(parentId));
 617         Cursor c = null;
 618
 619         if (getContentProviderClient() != null) {
 620             try {
 621                 c = getContentProviderClient().query(req_uri, null,
 622                         ProviderTableMeta.FILE_PARENT + "=?" ,
 623                         new String[] { String.valueOf(parentId)}, null);
 624             } catch (RemoteException e) {
 625                 Log_OC.e(TAG, e.getMessage());
 626                 return c;
 627             }
 628         } else {
 629             c = getContentResolver().query(req_uri, null,
 630                     ProviderTableMeta.FILE_PARENT + "=?" ,
 631                     new String[] { String.valueOf(parentId)}, null);
 632
 633             //Log_OC.d(TAG, "getContent Uri " + req_uri);
 634             //c.setNotificationUri(getContentResolver(), req_uri);
 635         }
 636
 637         Log_OC.d(TAG, "getContent end");
 638         return c;
 639     }
 640
 641     private OCFile createRootDir() {
 642         OCFile file = new OCFile(OCFile.ROOT_PATH);
 643         file.setMimetype("DIR");
 644         file.setParentId(FileDataStorageManager.ROOT_PARENT_ID);
 645         saveFile(file);
 646         return file;
 647     }
 648
 649     private boolean fileExists(String cmp_key, String value) {
 650         Cursor c;
 651         if (getContentResolver() != null) {
 652             c = getContentResolver()
 653                     .query(ProviderTableMeta.CONTENT_URI,
 654                             null,
 655                             cmp_key + "=? AND "
 656                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 657                                     + "=?",
 658                                     new String[] { value, mAccount.name }, null);
 659         } else {
 660             try {
 661                 c = getContentProviderClient().query(
 662                         ProviderTableMeta.CONTENT_URI,
 663                         null,
 664                         cmp_key + "=? AND "
 665                                 + ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
 666                                 new String[] { value, mAccount.name }, null);
 667             } catch (RemoteException e) {
 668                 Log_OC.e(TAG,
 669                         "Couldn't determine file existance, assuming non existance: "
 670                                 + e.getMessage());
 671                 return false;
 672             }
 673         }
 674         boolean retval = c.moveToFirst();
 675         c.close();
 676         return retval;
 677     }
 678
 679     private Cursor getCursorForValue(String key, String value) {
 680         Cursor c = null;
 681         if (getContentResolver() != null) {
 682             c = getContentResolver()
 683                     .query(ProviderTableMeta.CONTENT_URI,
 684                             null,
 685                             key + "=? AND "
 686                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 687                                     + "=?",
 688                                     new String[] { value, mAccount.name }, null);
 689         } else {
 690             try {
 691                 c = getContentProviderClient().query(
 692                         ProviderTableMeta.CONTENT_URI,
 693                         null,
 694                         key + "=? AND " + ProviderTableMeta.FILE_ACCOUNT_OWNER
 695                         + "=?", new String[] { value, mAccount.name },
 696                         null);
 697             } catch (RemoteException e) {
 698                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 699                 c = null;
 700             }
 701         }
 702         return c;
 703     }
 704
 705 //    private Cursor getShareCursorForValue(String key, String value) {
 706 //        Cursor c = null;
 707 //        if (getContentResolver() != null) {
 708 //            c = getContentResolver()
 709 //                    .query(ProviderTableMeta.CONTENT_URI_SHARE,
 710 //                            null,
 711 //                            key + "=? AND "
 712 //                                    + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
 713 //                                    + "=?",
 714 //                                    new String[] { value, mAccount.name }, null);
 715 //        } else {
 716 //            try {
 717 //                c = getContentProviderClient().query(
 718 //                        ProviderTableMeta.CONTENT_URI_SHARE,
 719 //                        null,
 720 //                        key + "=? AND " + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
 721 //                        + "=?", new String[] { value, mAccount.name },
 722 //                        null);
 723 //            } catch (RemoteException e) {
 724 //                Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 725 //                c = null;
 726 //            }
 727 //        }
 728 //        return c;
 729 //    }
 730
 731     public OCFile createFileInstance(Cursor c) {
 732         OCFile file = null;
 733         if (c != null) {
 734             file = new OCFile(c.getString(c
 735                     .getColumnIndex(ProviderTableMeta.FILE_PATH)));
 736             file.setFileId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
 737             file.setParentId(c.getLong(c
 738                     .getColumnIndex(ProviderTableMeta.FILE_PARENT)));
 739             file.setMimetype(c.getString(c
 740                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE)));
 741             if (!file.isFolder()) {
 742                 file.setStoragePath(c.getString(c
 743                         .getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH)));
 744                 if (file.getStoragePath() == null) {
 745                     // 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
 746                     File f = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 747                     if (f.exists()) {
 748                         file.setStoragePath(f.getAbsolutePath());
 749                         file.setLastSyncDateForData(f.lastModified());
 750                     }
 751                 }
 752             }
 753             file.setFileLength(c.getLong(c
 754                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH)));
 755             file.setCreationTimestamp(c.getLong(c
 756                     .getColumnIndex(ProviderTableMeta.FILE_CREATION)));
 757             file.setModificationTimestamp(c.getLong(c
 758                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED)));
 759             file.setModificationTimestampAtLastSyncForData(c.getLong(c
 760                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA)));
 761             file.setLastSyncDateForProperties(c.getLong(c
 762                     .getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE)));
 763             file.setLastSyncDateForData(c.getLong(c.
 764                     getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA)));
 765             file.setKeepInSync(c.getInt(
 766                     c.getColumnIndex(ProviderTableMeta.FILE_KEEP_IN_SYNC)) == 1 ? true : false);
 767             file.setEtag(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG)));
 768             file.setShareByLink(c.getInt(
 769                     c.getColumnIndex(ProviderTableMeta.FILE_SHARE_BY_LINK)) == 1 ? true : false);
 770             file.setPublicLink(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PUBLIC_LINK)));
 771
 772         }
 773         return file;
 774     }
 775
 776     /**
 777      * Returns if the file/folder is shared by link or not
 778      * @param path  Path of the file/folder
 779      * @return
 780      */
 781     public boolean isShareByLink(String path) {
 782         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 783         OCFile file = null;
 784         if (c.moveToFirst()) {
 785             file = createFileInstance(c);
 786         }
 787         c.close();
 788         return file.isShareByLink();
 789     }
 790
 791     /**
 792      * Returns the public link of the file/folder
 793      * @param path  Path of the file/folder
 794      * @return
 795      */
 796     public String getPublicLink(String path) {
 797         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 798         OCFile file = null;
 799         if (c.moveToFirst()) {
 800             file = createFileInstance(c);
 801         }
 802         c.close();
 803         return file.getPublicLink();
 804     }
 805
 806
 807     // Methods for Shares
 808     public boolean saveShare(OCShare share) {
 809         boolean overriden = false;
 810         ContentValues cv = new ContentValues();
 811         cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
 812         cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
 813         cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
 814         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
 815         cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
 816         cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
 817         cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
 818         cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
 819         cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
 820         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME, share.getSharedWithDisplayName());
 821         cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
 822         cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
 823         cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
 824         cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
 825
 826         if (shareExists(share.getIdRemoteShared())) {           // for renamed files; no more delete and create
 827
 828             overriden = true;
 829             if (getContentResolver() != null) {
 830                 getContentResolver().update(ProviderTableMeta.CONTENT_URI_SHARE, cv,
 831                         ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 832                         new String[] { String.valueOf(share.getIdRemoteShared()) });
 833             } else {
 834                 try {
 835                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_SHARE,
 836                             cv, ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 837                             new String[] { String.valueOf(share.getIdRemoteShared()) });
 838                 } catch (RemoteException e) {
 839                     Log_OC.e(TAG,
 840                             "Fail to insert insert file to database "
 841                                     + e.getMessage());
 842                 }
 843             }
 844         } else {
 845             Uri result_uri = null;
 846             if (getContentResolver() != null) {
 847                 result_uri = getContentResolver().insert(
 848                         ProviderTableMeta.CONTENT_URI_SHARE, cv);
 849             } else {
 850                 try {
 851                     result_uri = getContentProviderClient().insert(
 852                             ProviderTableMeta.CONTENT_URI_SHARE, cv);
 853                 } catch (RemoteException e) {
 854                     Log_OC.e(TAG,
 855                             "Fail to insert insert file to database "
 856                                     + e.getMessage());
 857                 }
 858             }
 859             if (result_uri != null) {
 860                 long new_id = Long.parseLong(result_uri.getPathSegments()
 861                         .get(1));
 862                 share.setId(new_id);
 863             }
 864         }
 865
 866         return overriden;
 867     }
 868
 869 //    private OCShare getShareById(long id) {
 870 //        Cursor c = getShareCursorForValue(ProviderTableMeta._ID, String.valueOf(id));
 871 //        OCShare share = null;
 872 //        if (c.moveToFirst()) {
 873 //            share = createShareInstance(c);
 874 //        }
 875 //        c.close();
 876 //        return share;
 877 //    }
 878 //
 879 //    private OCShare getShareByRemoteId(long remoteId) {
 880 //        Cursor c = getShareCursorForValue(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, String.valueOf(remoteId));
 881 //        OCShare share = null;
 882 //        if (c.moveToFirst()) {
 883 //            share = createShareInstance(c);
 884 //        }
 885 //        c.close();
 886 //        return share;
 887 //    }
 888
 889     public OCShare getFirstShareByPathAndType(String path, ShareType type) {
 890         Cursor c = null;
 891         if (getContentResolver() != null) {
 892             c = getContentResolver().query(
 893                     ProviderTableMeta.CONTENT_URI_SHARE,
 894                     null,
 895                     ProviderTableMeta.OCSHARES_PATH + "=? AND "
 896                             + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
 897                             + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
 898                     new String[] { path, Integer.toString(type.getValue()), mAccount.name },
 899                     null);
 900         } else {
 901             try {
 902                 c = getContentProviderClient().query(
 903                         ProviderTableMeta.CONTENT_URI_SHARE,
 904                         null,
 905                         ProviderTableMeta.OCSHARES_PATH + "=? AND "
 906                                 + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
 907                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
 908                         new String[] { path, Integer.toString(type.getValue()), mAccount.name },
 909                         null);
 910
 911             } catch (RemoteException e) {
 912                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 913                 c = null;
 914             }
 915         }
 916         OCShare share = null;
 917         if (c.moveToFirst()) {
 918             share = createShareInstance(c);
 919         }
 920         c.close();
 921         return share;
 922     }
 923
 924     private OCShare createShareInstance(Cursor c) {
 925         OCShare share = null;
 926         if (c != null) {
 927             share = new OCShare(c.getString(c
 928                     .getColumnIndex(ProviderTableMeta.OCSHARES_PATH)));
 929             share.setId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
 930             share.setFileSource(c.getLong(c
 931                     .getColumnIndex(ProviderTableMeta.OCSHARES_ITEM_SOURCE)));
 932             share.setShareType(ShareType.fromValue(c.getInt(c
 933                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_TYPE))));
 934             share.setPermissions(c.getInt(c
 935                     .getColumnIndex(ProviderTableMeta.OCSHARES_PERMISSIONS)));
 936             share.setSharedDate(c.getLong(c
 937                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARED_DATE)));
 938             share.setExpirationDate(c.getLong(c
 939                     .getColumnIndex(ProviderTableMeta.OCSHARES_EXPIRATION_DATE)));
 940             share.setToken(c.getString(c
 941                     .getColumnIndex(ProviderTableMeta.OCSHARES_TOKEN)));
 942             share.setSharedWithDisplayName(c.getString(c
 943                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME)));
 944             share.setIsFolder(c.getInt(
 945                     c.getColumnIndex(ProviderTableMeta.OCSHARES_IS_DIRECTORY)) == 1 ? true : false);
 946             share.setUserId(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_USER_ID)));
 947             share.setIdRemoteShared(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED)));
 948
 949         }
 950         return share;
 951     }
 952
 953     private boolean shareExists(String cmp_key, String value) {
 954         Cursor c;
 955         if (getContentResolver() != null) {
 956             c = getContentResolver()
 957                     .query(ProviderTableMeta.CONTENT_URI_SHARE,
 958                             null,
 959                             cmp_key + "=? AND "
 960                                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
 961                                     + "=?",
 962                                     new String[] { value, mAccount.name }, null);
 963         } else {
 964             try {
 965                 c = getContentProviderClient().query(
 966                         ProviderTableMeta.CONTENT_URI_SHARE,
 967                         null,
 968                         cmp_key + "=? AND "
 969                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
 970                                 new String[] { value, mAccount.name }, null);
 971             } catch (RemoteException e) {
 972                 Log_OC.e(TAG,
 973                         "Couldn't determine file existance, assuming non existance: "
 974                                 + e.getMessage());
 975                 return false;
 976             }
 977         }
 978         boolean retval = c.moveToFirst();
 979         c.close();
 980         return retval;
 981     }
 982
 983     private boolean shareExists(long remoteId) {
 984         return shareExists(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, String.valueOf(remoteId));
 985     }
 986
 987     private void cleanSharedFiles() {
 988         ContentValues cv = new ContentValues();
 989         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
 990         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
 991         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?";
 992         String [] whereArgs = new String[]{mAccount.name};
 993
 994         if (getContentResolver() != null) {
 995             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
 996
 997         } else {
 998             try {
 999                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1000
1001             } catch (RemoteException e) {
1002                 Log_OC.e(TAG, "Exception in cleanSharedFiles" + e.getMessage());
1003             }
1004         }
1005     }
1006
1007     private void cleanSharedFilesInFolder(OCFile folder) {
1008         ContentValues cv = new ContentValues();
1009         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
1010         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1011         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " + ProviderTableMeta.FILE_PARENT + "=?";
1012         String [] whereArgs = new String[] { mAccount.name , String.valueOf(folder.getFileId()) };
1013
1014         if (getContentResolver() != null) {
1015             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1016
1017         } else {
1018             try {
1019                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1020
1021             } catch (RemoteException e) {
1022                 Log_OC.e(TAG, "Exception in cleanSharedFilesInFolder " + e.getMessage());
1023             }
1024         }
1025     }
1026
1027     private void cleanShares() {
1028         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1029         String [] whereArgs = new String[]{mAccount.name};
1030
1031         if (getContentResolver() != null) {
1032             getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1033
1034         } else {
1035             try {
1036                 getContentProviderClient().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1037
1038             } catch (RemoteException e) {
1039                 Log_OC.e(TAG, "Exception in cleanShares" + e.getMessage());
1040             }
1041         }
1042     }
1043
1044     public void saveShares(Collection<OCShare> shares) {
1045         cleanShares();
1046         if (shares != null) {
1047             ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>(shares.size());
1048
1049             // prepare operations to insert or update files to save in the given folder
1050             for (OCShare share : shares) {
1051                 ContentValues cv = new ContentValues();
1052                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1053                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1054                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1055                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1056                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1057                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1058                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1059                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1060                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1061                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME, share.getSharedWithDisplayName());
1062                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1063                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1064                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1065                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1066
1067                 if (shareExists(share.getIdRemoteShared())) {
1068                     // updating an existing file
1069                     operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1070                             withValues(cv).
1071                             withSelection(  ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1072                                     new String[] { String.valueOf(share.getIdRemoteShared()) })
1073                                     .build());
1074
1075                 } else {
1076                     // adding a new file
1077                     operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).withValues(cv).build());
1078                 }
1079             }
1080
1081             // apply operations in batch
1082             if (operations.size() > 0) {
1083                 @SuppressWarnings("unused")
1084                 ContentProviderResult[] results = null;
1085                 Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1086                 try {
1087                     if (getContentResolver() != null) {
1088                         results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1089
1090                     } else {
1091                         results = getContentProviderClient().applyBatch(operations);
1092                     }
1093
1094                 } catch (OperationApplicationException e) {
1095                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1096
1097                 } catch (RemoteException e) {
1098                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1099                 }
1100             }
1101         }
1102
1103     }
1104
1105     public void updateSharedFiles(Collection<OCFile> sharedFiles) {
1106         cleanSharedFiles();
1107
1108         if (sharedFiles != null) {
1109             ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>(sharedFiles.size());
1110
1111             // prepare operations to insert or update files to save in the given folder
1112             for (OCFile file : sharedFiles) {
1113                 ContentValues cv = new ContentValues();
1114                 cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
1115                 cv.put(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA, file.getModificationTimestampAtLastSyncForData());
1116                 cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
1117                 cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
1118                 cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
1119                 cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
1120                 cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
1121                 cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
1122                 if (!file.isFolder()) {
1123                     cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
1124                 }
1125                 cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
1126                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
1127                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
1128                 cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
1129                 cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
1130                 cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
1131                 cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
1132
1133                 boolean existsByPath = fileExists(file.getRemotePath());
1134                 if (existsByPath || fileExists(file.getFileId())) {
1135                     // updating an existing file
1136                     operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
1137                             withValues(cv).
1138                             withSelection(  ProviderTableMeta._ID + "=?",
1139                                     new String[] { String.valueOf(file.getFileId()) })
1140                                     .build());
1141
1142                 } else {
1143                     // adding a new file
1144                     operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).withValues(cv).build());
1145                 }
1146             }
1147
1148             // apply operations in batch
1149             if (operations.size() > 0) {
1150                 @SuppressWarnings("unused")
1151                 ContentProviderResult[] results = null;
1152                 Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1153                 try {
1154                     if (getContentResolver() != null) {
1155                         results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1156
1157                     } else {
1158                         results = getContentProviderClient().applyBatch(operations);
1159                     }
1160
1161                 } catch (OperationApplicationException e) {
1162                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1163
1164                 } catch (RemoteException e) {
1165                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1166                 }
1167             }
1168         }
1169
1170     }
1171
1172     public void removeShare(OCShare share){
1173         Uri share_uri = ProviderTableMeta.CONTENT_URI_SHARE;
1174         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?" + " AND " + ProviderTableMeta.FILE_PATH + "=?";
1175         String [] whereArgs = new String[]{mAccount.name, share.getPath()};
1176         if (getContentProviderClient() != null) {
1177             try {
1178                 getContentProviderClient().delete(share_uri, where, whereArgs);
1179             } catch (RemoteException e) {
1180                 e.printStackTrace();
1181             }
1182         } else {
1183             getContentResolver().delete(share_uri, where, whereArgs);
1184         }
1185     }
1186
1187     public void saveSharesDB(ArrayList<OCShare> shares) {
1188         saveShares(shares);
1189
1190         ArrayList<OCFile> sharedFiles = new ArrayList<OCFile>();
1191
1192         for (OCShare share : shares) {
1193             // Get the path
1194             String path = share.getPath();
1195             if (share.isFolder()) {
1196                 path = path + FileUtils.PATH_SEPARATOR;
1197             }
1198
1199             // Update OCFile with data from share: ShareByLink  ¿and publicLink?
1200             OCFile file = getFileByPath(path);
1201             if (file != null) {
1202                 if (share.getShareType().equals(ShareType.PUBLIC_LINK)) {
1203                     file.setShareByLink(true);
1204                     sharedFiles.add(file);
1205                 }
1206             }
1207         }
1208
1209         updateSharedFiles(sharedFiles);
1210     }
1211
1212
1213     public void saveSharesInFolder(ArrayList<OCShare> shares, OCFile folder) {
1214         cleanSharedFilesInFolder(folder);
1215         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1216         operations = prepareRemoveSharesInFolder(folder, operations);
1217
1218         if (shares != null) {
1219             // prepare operations to insert or update files to save in the given folder
1220             for (OCShare share : shares) {
1221                 ContentValues cv = new ContentValues();
1222                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1223                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1224                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1225                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1226                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1227                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1228                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1229                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1230                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1231                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME, share.getSharedWithDisplayName());
1232                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1233                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1234                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1235                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1236
1237                 /*
1238                 if (shareExists(share.getIdRemoteShared())) {
1239                     // updating an existing share resource
1240                     operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1241                             withValues(cv).
1242                             withSelection(  ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1243                                     new String[] { String.valueOf(share.getIdRemoteShared()) })
1244                                     .build());
1245
1246                 } else {
1247                 */
1248                 // adding a new share resource
1249                 operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).withValues(cv).build());
1250                 //}
1251             }
1252         }
1253
1254         // apply operations in batch
1255         if (operations.size() > 0) {
1256             @SuppressWarnings("unused")
1257             ContentProviderResult[] results = null;
1258             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1259             try {
1260                 if (getContentResolver() != null) {
1261                     results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1262
1263                 } else {
1264                     results = getContentProviderClient().applyBatch(operations);
1265                 }
1266
1267             } catch (OperationApplicationException e) {
1268                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1269
1270             } catch (RemoteException e) {
1271                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1272             }
1273         }
1274         //}
1275
1276     }
1277
1278     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFolder(OCFile folder, ArrayList<ContentProviderOperation> preparedOperations) {
1279         if (folder != null) {
1280             String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND " + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1281             String [] whereArgs = new String[]{ "", mAccount.name };
1282
1283             Vector<OCFile> files = getFolderContent(folder);
1284
1285             for (OCFile file : files) {
1286                 whereArgs[0] = file.getRemotePath();
1287                 preparedOperations.add(ContentProviderOperation.newDelete(ProviderTableMeta.CONTENT_URI_SHARE)
1288                         .withSelection(where, whereArgs)
1289                         .build());
1290             }
1291         }
1292         return preparedOperations;
1293
1294         /*
1295         if (operations.size() > 0) {
1296             try {
1297                 if (getContentResolver() != null) {
1298                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1299
1300                 } else {
1301                     getContentProviderClient().applyBatch(operations);
1302                 }
1303
1304             } catch (OperationApplicationException e) {
1305                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1306
1307             } catch (RemoteException e) {
1308                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1309             }
1310         }
1311         */
1312
1313             /*
1314             if (getContentResolver() != null) {
1315
1316                 getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE,
1317                                             where,
1318                                             whereArgs);
1319             } else {
1320                 try {
1321                     getContentProviderClient().delete(  ProviderTableMeta.CONTENT_URI_SHARE,
1322                                                         where,
1323                                                         whereArgs);
1324
1325                 } catch (RemoteException e) {
1326                     Log_OC.e(TAG, "Exception deleting shares in a folder " + e.getMessage());
1327                 }
1328             }
1329             */
1330         //}
1331     }
1332
1333 }