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