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     private Cursor getShareCursorForValue(String key, String value) {
 713         Cursor c = null;
 714         if (getContentResolver() != null) {
 715             c = getContentResolver()
 716                     .query(ProviderTableMeta.CONTENT_URI_SHARE,
 717                             null,
 718                             key + "=? AND "
 719                                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
 720                                     + "=?",
 721                                     new String[] { value, mAccount.name }, null);
 722         } else {
 723             try {
 724                 c = getContentProviderClient().query(
 725                         ProviderTableMeta.CONTENT_URI_SHARE,
 726                         null,
 727                         key + "=? AND " + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
 728                         + "=?", new String[] { value, mAccount.name },
 729                         null);
 730             } catch (RemoteException e) {
 731                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 732                 c = null;
 733             }
 734         }
 735         return c;
 736     }
 737
 738     private OCFile createFileInstance(Cursor c) {
 739         OCFile file = null;
 740         if (c != null) {
 741             file = new OCFile(c.getString(c
 742                     .getColumnIndex(ProviderTableMeta.FILE_PATH)));
 743             file.setFileId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
 744             file.setParentId(c.getLong(c
 745                     .getColumnIndex(ProviderTableMeta.FILE_PARENT)));
 746             file.setMimetype(c.getString(c
 747                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE)));
 748             if (!file.isFolder()) {
 749                 file.setStoragePath(c.getString(c
 750                         .getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH)));
 751                 if (file.getStoragePath() == null) {
 752                     // 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
 753                     File f = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 754                     if (f.exists()) {
 755                         file.setStoragePath(f.getAbsolutePath());
 756                         file.setLastSyncDateForData(f.lastModified());
 757                     }
 758                 }
 759             }
 760             file.setFileLength(c.getLong(c
 761                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH)));
 762             file.setCreationTimestamp(c.getLong(c
 763                     .getColumnIndex(ProviderTableMeta.FILE_CREATION)));
 764             file.setModificationTimestamp(c.getLong(c
 765                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED)));
 766             file.setModificationTimestampAtLastSyncForData(c.getLong(c
 767                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA)));
 768             file.setLastSyncDateForProperties(c.getLong(c
 769                     .getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE)));
 770             file.setLastSyncDateForData(c.getLong(c.
 771                     getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA)));
 772             file.setKeepInSync(c.getInt(
 773                     c.getColumnIndex(ProviderTableMeta.FILE_KEEP_IN_SYNC)) == 1 ? true : false);
 774             file.setEtag(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG)));
 775             file.setShareByLink(c.getInt(
 776                     c.getColumnIndex(ProviderTableMeta.FILE_SHARE_BY_LINK)) == 1 ? true : false);
 777             file.setPublicLink(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PUBLIC_LINK)));
 778
 779         }
 780         return file;
 781     }
 782
 783     /**
 784      * Returns if the file/folder is shared by link or not
 785      * @param path  Path of the file/folder
 786      * @return
 787      */
 788     public boolean isShareByLink(String path) {
 789         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 790         OCFile file = null;
 791         if (c.moveToFirst()) {
 792             file = createFileInstance(c);
 793         }
 794         c.close();
 795         return file.isShareByLink();
 796     }
 797
 798     /**
 799      * Returns the public link of the file/folder
 800      * @param path  Path of the file/folder
 801      * @return
 802      */
 803     public String getPublicLink(String path) {
 804         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 805         OCFile file = null;
 806         if (c.moveToFirst()) {
 807             file = createFileInstance(c);
 808         }
 809         c.close();
 810         return file.getPublicLink();
 811     }
 812
 813
 814     // Methods for Shares
 815     public boolean saveShare(OCShare share) {
 816         boolean overriden = false;
 817         ContentValues cv = new ContentValues();
 818         cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
 819         cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
 820         cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
 821         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
 822         cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
 823         cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
 824         cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
 825         cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
 826         cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
 827         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME, share.getSharedWithDisplayName());
 828         cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
 829         cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
 830         cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
 831         cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
 832
 833         if (shareExists(share.getIdRemoteShared())) {           // for renamed files; no more delete and create
 834
 835             overriden = true;
 836             if (getContentResolver() != null) {
 837                 getContentResolver().update(ProviderTableMeta.CONTENT_URI_SHARE, cv,
 838                         ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 839                         new String[] { String.valueOf(share.getIdRemoteShared()) });
 840             } else {
 841                 try {
 842                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_SHARE,
 843                             cv, ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 844                             new String[] { String.valueOf(share.getIdRemoteShared()) });
 845                 } catch (RemoteException e) {
 846                     Log_OC.e(TAG,
 847                             "Fail to insert insert file to database "
 848                                     + e.getMessage());
 849                 }
 850             }
 851         } else {
 852             Uri result_uri = null;
 853             if (getContentResolver() != null) {
 854                 result_uri = getContentResolver().insert(
 855                         ProviderTableMeta.CONTENT_URI_SHARE, cv);
 856             } else {
 857                 try {
 858                     result_uri = getContentProviderClient().insert(
 859                             ProviderTableMeta.CONTENT_URI_SHARE, cv);
 860                 } catch (RemoteException e) {
 861                     Log_OC.e(TAG,
 862                             "Fail to insert insert file to database "
 863                                     + e.getMessage());
 864                 }
 865             }
 866             if (result_uri != null) {
 867                 long new_id = Long.parseLong(result_uri.getPathSegments()
 868                         .get(1));
 869                 share.setId(new_id);
 870             }
 871         }
 872
 873         return overriden;
 874     }
 875
 876 //    private OCShare getShareById(long id) {
 877 //        Cursor c = getShareCursorForValue(ProviderTableMeta._ID, String.valueOf(id));
 878 //        OCShare share = null;
 879 //        if (c.moveToFirst()) {
 880 //            share = createShareInstance(c);
 881 //        }
 882 //        c.close();
 883 //        return share;
 884 //    }
 885 //
 886 //    private OCShare getShareByRemoteId(long remoteId) {
 887 //        Cursor c = getShareCursorForValue(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, String.valueOf(remoteId));
 888 //        OCShare share = null;
 889 //        if (c.moveToFirst()) {
 890 //            share = createShareInstance(c);
 891 //        }
 892 //        c.close();
 893 //        return share;
 894 //    }
 895
 896     public OCShare getFirstShareByPathAndType(String path, ShareType type) {
 897         Cursor c = null;
 898         if (getContentResolver() != null) {
 899             c = getContentResolver().query(
 900                     ProviderTableMeta.CONTENT_URI_SHARE,
 901                     null,
 902                     ProviderTableMeta.OCSHARES_PATH + "=? AND "
 903                             + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
 904                             + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
 905                     new String[] { path, Integer.toString(type.getValue()), mAccount.name },
 906                     null);
 907         } else {
 908             try {
 909                 c = getContentProviderClient().query(
 910                         ProviderTableMeta.CONTENT_URI_SHARE,
 911                         null,
 912                         ProviderTableMeta.OCSHARES_PATH + "=? AND "
 913                                 + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
 914                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
 915                         new String[] { path, Integer.toString(type.getValue()), mAccount.name },
 916                         null);
 917
 918             } catch (RemoteException e) {
 919                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 920                 c = null;
 921             }
 922         }
 923         OCShare share = null;
 924         if (c.moveToFirst()) {
 925             share = createShareInstance(c);
 926         }
 927         c.close();
 928         return share;
 929     }
 930
 931     private OCShare createShareInstance(Cursor c) {
 932         OCShare share = null;
 933         if (c != null) {
 934             share = new OCShare(c.getString(c
 935                     .getColumnIndex(ProviderTableMeta.OCSHARES_PATH)));
 936             share.setId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
 937             share.setFileSource(c.getLong(c
 938                     .getColumnIndex(ProviderTableMeta.OCSHARES_ITEM_SOURCE)));
 939             share.setShareType(ShareType.fromValue(c.getInt(c
 940                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_TYPE))));
 941             share.setPermissions(c.getInt(c
 942                     .getColumnIndex(ProviderTableMeta.OCSHARES_PERMISSIONS)));
 943             share.setSharedDate(c.getLong(c
 944                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARED_DATE)));
 945             share.setExpirationDate(c.getLong(c
 946                     .getColumnIndex(ProviderTableMeta.OCSHARES_EXPIRATION_DATE)));
 947             share.setToken(c.getString(c
 948                     .getColumnIndex(ProviderTableMeta.OCSHARES_TOKEN)));
 949             share.setSharedWithDisplayName(c.getString(c
 950                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME)));
 951             share.setIsFolder(c.getInt(
 952                     c.getColumnIndex(ProviderTableMeta.OCSHARES_IS_DIRECTORY)) == 1 ? true : false);
 953             share.setUserId(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_USER_ID)));
 954             share.setIdRemoteShared(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED)));
 955
 956         }
 957         return share;
 958     }
 959
 960     private boolean shareExists(String cmp_key, String value) {
 961         Cursor c;
 962         if (getContentResolver() != null) {
 963             c = getContentResolver()
 964                     .query(ProviderTableMeta.CONTENT_URI_SHARE,
 965                             null,
 966                             cmp_key + "=? AND "
 967                                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
 968                                     + "=?",
 969                                     new String[] { value, mAccount.name }, null);
 970         } else {
 971             try {
 972                 c = getContentProviderClient().query(
 973                         ProviderTableMeta.CONTENT_URI_SHARE,
 974                         null,
 975                         cmp_key + "=? AND "
 976                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
 977                                 new String[] { value, mAccount.name }, null);
 978             } catch (RemoteException e) {
 979                 Log_OC.e(TAG,
 980                         "Couldn't determine file existance, assuming non existance: "
 981                                 + e.getMessage());
 982                 return false;
 983             }
 984         }
 985         boolean retval = c.moveToFirst();
 986         c.close();
 987         return retval;
 988     }
 989
 990     private boolean shareExists(long remoteId) {
 991         return shareExists(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, String.valueOf(remoteId));
 992     }
 993
 994     private void cleanSharedFiles() {
 995         ContentValues cv = new ContentValues();
 996         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
 997         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
 998         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?";
 999         String [] whereArgs = new String[]{mAccount.name};
1000
1001         if (getContentResolver() != null) {
1002             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1003
1004         } else {
1005             try {
1006                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1007
1008             } catch (RemoteException e) {
1009                 Log_OC.e(TAG, "Exception in cleanSharedFiles" + e.getMessage());
1010             }
1011         }
1012     }
1013
1014     private void cleanSharedFilesInFolder(OCFile folder) {
1015         ContentValues cv = new ContentValues();
1016         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
1017         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1018         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " + ProviderTableMeta.FILE_PARENT + "=?";
1019         String [] whereArgs = new String[] { mAccount.name , String.valueOf(folder.getFileId()) };
1020
1021         if (getContentResolver() != null) {
1022             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1023
1024         } else {
1025             try {
1026                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1027
1028             } catch (RemoteException e) {
1029                 Log_OC.e(TAG, "Exception in cleanSharedFilesInFolder " + e.getMessage());
1030             }
1031         }
1032     }
1033
1034     private void cleanShares() {
1035         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1036         String [] whereArgs = new String[]{mAccount.name};
1037
1038         if (getContentResolver() != null) {
1039             getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1040
1041         } else {
1042             try {
1043                 getContentProviderClient().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1044
1045             } catch (RemoteException e) {
1046                 Log_OC.e(TAG, "Exception in cleanShares" + e.getMessage());
1047             }
1048         }
1049     }
1050
1051     public void saveShares(Collection<OCShare> shares) {
1052         cleanShares();
1053         if (shares != null) {
1054             ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>(shares.size());
1055
1056             // prepare operations to insert or update files to save in the given folder
1057             for (OCShare share : shares) {
1058                 ContentValues cv = new ContentValues();
1059                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1060                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1061                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1062                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1063                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1064                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1065                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1066                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1067                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1068                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME, share.getSharedWithDisplayName());
1069                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1070                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1071                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1072                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1073
1074                 if (shareExists(share.getIdRemoteShared())) {
1075                     // updating an existing file
1076                     operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1077                             withValues(cv).
1078                             withSelection(  ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1079                                     new String[] { String.valueOf(share.getIdRemoteShared()) })
1080                                     .build());
1081
1082                 } else {
1083                     // adding a new file
1084                     operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).withValues(cv).build());
1085                 }
1086             }
1087
1088             // apply operations in batch
1089             if (operations.size() > 0) {
1090                 @SuppressWarnings("unused")
1091                 ContentProviderResult[] results = null;
1092                 Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1093                 try {
1094                     if (getContentResolver() != null) {
1095                         results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1096
1097                     } else {
1098                         results = getContentProviderClient().applyBatch(operations);
1099                     }
1100
1101                 } catch (OperationApplicationException e) {
1102                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1103
1104                 } catch (RemoteException e) {
1105                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1106                 }
1107             }
1108         }
1109
1110     }
1111
1112     public void updateSharedFiles(Collection<OCFile> sharedFiles) {
1113         cleanSharedFiles();
1114
1115         if (sharedFiles != null) {
1116             ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>(sharedFiles.size());
1117
1118             // prepare operations to insert or update files to save in the given folder
1119             for (OCFile file : sharedFiles) {
1120                 ContentValues cv = new ContentValues();
1121                 cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
1122                 cv.put(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA, file.getModificationTimestampAtLastSyncForData());
1123                 cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
1124                 cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
1125                 cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
1126                 cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
1127                 cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
1128                 cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
1129                 if (!file.isFolder()) {
1130                     cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
1131                 }
1132                 cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
1133                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
1134                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
1135                 cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
1136                 cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
1137                 cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
1138                 cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
1139
1140                 boolean existsByPath = fileExists(file.getRemotePath());
1141                 if (existsByPath || fileExists(file.getFileId())) {
1142                     // updating an existing file
1143                     operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
1144                             withValues(cv).
1145                             withSelection(  ProviderTableMeta._ID + "=?",
1146                                     new String[] { String.valueOf(file.getFileId()) })
1147                                     .build());
1148
1149                 } else {
1150                     // adding a new file
1151                     operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).withValues(cv).build());
1152                 }
1153             }
1154
1155             // apply operations in batch
1156             if (operations.size() > 0) {
1157                 @SuppressWarnings("unused")
1158                 ContentProviderResult[] results = null;
1159                 Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1160                 try {
1161                     if (getContentResolver() != null) {
1162                         results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1163
1164                     } else {
1165                         results = getContentProviderClient().applyBatch(operations);
1166                     }
1167
1168                 } catch (OperationApplicationException e) {
1169                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1170
1171                 } catch (RemoteException e) {
1172                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1173                 }
1174             }
1175         }
1176
1177     }
1178
1179     public void removeShare(OCShare share){
1180         Uri share_uri = ProviderTableMeta.CONTENT_URI_SHARE;
1181         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?" + " AND " + ProviderTableMeta.FILE_PATH + "=?";
1182         String [] whereArgs = new String[]{mAccount.name, share.getPath()};
1183         if (getContentProviderClient() != null) {
1184             try {
1185                 getContentProviderClient().delete(share_uri, where, whereArgs);
1186             } catch (RemoteException e) {
1187                 e.printStackTrace();
1188             }
1189         } else {
1190             getContentResolver().delete(share_uri, where, whereArgs);
1191         }
1192     }
1193
1194     public void saveSharesDB(ArrayList<OCShare> shares) {
1195         saveShares(shares);
1196
1197         ArrayList<OCFile> sharedFiles = new ArrayList<OCFile>();
1198
1199         for (OCShare share : shares) {
1200             // Get the path
1201             String path = share.getPath();
1202             if (share.isFolder()) {
1203                 path = path + FileUtils.PATH_SEPARATOR;
1204             }
1205
1206             // Update OCFile with data from share: ShareByLink  ¿and publicLink?
1207             OCFile file = getFileByPath(path);
1208             if (file != null) {
1209                 if (share.getShareType().equals(ShareType.PUBLIC_LINK)) {
1210                     file.setShareByLink(true);
1211                     sharedFiles.add(file);
1212                 }
1213             }
1214         }
1215
1216         updateSharedFiles(sharedFiles);
1217     }
1218
1219
1220     public void saveSharesInFolder(ArrayList<OCShare> shares, OCFile folder) {
1221         cleanSharedFilesInFolder(folder);
1222         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1223         operations = prepareRemoveSharesInFolder(folder, operations);
1224
1225         if (shares != null) {
1226             // prepare operations to insert or update files to save in the given folder
1227             for (OCShare share : shares) {
1228                 ContentValues cv = new ContentValues();
1229                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1230                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1231                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1232                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1233                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1234                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1235                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1236                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1237                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1238                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME, share.getSharedWithDisplayName());
1239                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1240                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1241                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1242                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1243
1244                 /*
1245                 if (shareExists(share.getIdRemoteShared())) {
1246                     // updating an existing share resource
1247                     operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1248                             withValues(cv).
1249                             withSelection(  ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1250                                     new String[] { String.valueOf(share.getIdRemoteShared()) })
1251                                     .build());
1252
1253                 } else {
1254                 */
1255                 // adding a new share resource
1256                 operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).withValues(cv).build());
1257                 //}
1258             }
1259         }
1260
1261         // apply operations in batch
1262         if (operations.size() > 0) {
1263             @SuppressWarnings("unused")
1264             ContentProviderResult[] results = null;
1265             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1266             try {
1267                 if (getContentResolver() != null) {
1268                     results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1269
1270                 } else {
1271                     results = getContentProviderClient().applyBatch(operations);
1272                 }
1273
1274             } catch (OperationApplicationException e) {
1275                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1276
1277             } catch (RemoteException e) {
1278                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1279             }
1280         }
1281         //}
1282
1283     }
1284
1285     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFolder(OCFile folder, ArrayList<ContentProviderOperation> preparedOperations) {
1286         if (folder != null) {
1287             String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND " + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1288             String [] whereArgs = new String[]{ "", mAccount.name };
1289
1290             Vector<OCFile> files = getFolderContent(folder);
1291
1292             for (OCFile file : files) {
1293                 whereArgs[0] = file.getRemotePath();
1294                 preparedOperations.add(ContentProviderOperation.newDelete(ProviderTableMeta.CONTENT_URI_SHARE)
1295                         .withSelection(where, whereArgs)
1296                         .build());
1297             }
1298         }
1299         return preparedOperations;
1300
1301         /*
1302         if (operations.size() > 0) {
1303             try {
1304                 if (getContentResolver() != null) {
1305                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1306
1307                 } else {
1308                     getContentProviderClient().applyBatch(operations);
1309                 }
1310
1311             } catch (OperationApplicationException e) {
1312                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1313
1314             } catch (RemoteException e) {
1315                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1316             }
1317         }
1318         */
1319
1320             /*
1321             if (getContentResolver() != null) {
1322
1323                 getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE,
1324                                             where,
1325                                             whereArgs);
1326             } else {
1327                 try {
1328                     getContentProviderClient().delete(  ProviderTableMeta.CONTENT_URI_SHARE,
1329                                                         where,
1330                                                         whereArgs);
1331
1332                 } catch (RemoteException e) {
1333                     Log_OC.e(TAG, "Exception deleting shares in a folder " + e.getMessage());
1334                 }
1335             }
1336             */
1337         //}
1338     }
1339 }