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.common.utils.Log_OC;
  31 import com.owncloud.android.lib.resources.shares.OCShare;
  32 import com.owncloud.android.lib.resources.shares.ShareType;
  33 import com.owncloud.android.lib.resources.files.FileUtils;
  34 import com.owncloud.android.utils.FileStorageUtils;
  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 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(
 173             ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 174             file.getModificationTimestampAtLastSyncForData()
 175         );
 176         cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 177         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 178         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 179         cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 180         //if (file.getParentId() != DataStorageManager.ROOT_PARENT_ID)
 181             cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 182         cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 183         if (!file.isFolder())
 184             cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 185         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 186         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 187         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 188         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
 189         cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 190         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
 191         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 192         cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 193         cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 194         cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
 195
 196         boolean sameRemotePath = fileExists(file.getRemotePath());
 197         if (sameRemotePath ||
 198                 fileExists(file.getFileId())        ) {  // for renamed files
 199
 200             OCFile oldFile = null;
 201             if (sameRemotePath) {
 202                 oldFile = getFileByPath(file.getRemotePath());
 203                 file.setFileId(oldFile.getFileId());
 204             } else {
 205                 oldFile = getFileById(file.getFileId());
 206             }
 207
 208             overriden = true;
 209             if (getContentResolver() != null) {
 210                 getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv,
 211                         ProviderTableMeta._ID + "=?",
 212                         new String[] { String.valueOf(file.getFileId()) });
 213             } else {
 214                 try {
 215                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI,
 216                             cv, ProviderTableMeta._ID + "=?",
 217                             new String[] { String.valueOf(file.getFileId()) });
 218                 } catch (RemoteException e) {
 219                     Log_OC.e(TAG,
 220                             "Fail to insert insert file to database "
 221                                     + e.getMessage());
 222                 }
 223             }
 224         } else {
 225             Uri result_uri = null;
 226             if (getContentResolver() != null) {
 227                 result_uri = getContentResolver().insert(
 228                         ProviderTableMeta.CONTENT_URI_FILE, cv);
 229             } else {
 230                 try {
 231                     result_uri = getContentProviderClient().insert(
 232                             ProviderTableMeta.CONTENT_URI_FILE, cv);
 233                 } catch (RemoteException e) {
 234                     Log_OC.e(TAG,
 235                             "Fail to insert insert file to database "
 236                                     + e.getMessage());
 237                 }
 238             }
 239             if (result_uri != null) {
 240                 long new_id = Long.parseLong(result_uri.getPathSegments()
 241                         .get(1));
 242                 file.setFileId(new_id);
 243             }
 244         }
 245
 246 //        if (file.isFolder()) {
 247 //            updateFolderSize(file.getFileId());
 248 //        } else {
 249 //            updateFolderSize(file.getParentId());
 250 //        }
 251
 252         return overriden;
 253     }
 254
 255
 256     /**
 257      * Inserts or updates the list of files contained in a given folder.
 258      *
 259      * CALLER IS THE RESPONSIBLE FOR GRANTING RIGHT UPDATE OF INFORMATION, NOT THIS METHOD.
 260      * HERE ONLY DATA CONSISTENCY SHOULD BE GRANTED
 261      *
 262      * @param folder
 263      * @param files
 264      * @param removeNotUpdated
 265      */
 266     public void saveFolder(
 267             OCFile folder, Collection<OCFile> updatedFiles, Collection<OCFile> filesToRemove
 268         ) {
 269
 270         Log_OC.d(TAG,  "Saving folder " + folder.getRemotePath() + " with " + updatedFiles.size()
 271                 + " children and " + filesToRemove.size() + " files to remove");
 272
 273         ArrayList<ContentProviderOperation> operations =
 274                 new ArrayList<ContentProviderOperation>(updatedFiles.size());
 275
 276         // prepare operations to insert or update files to save in the given folder
 277         for (OCFile file : updatedFiles) {
 278             ContentValues cv = new ContentValues();
 279             cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 280             cv.put(
 281                 ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 282                 file.getModificationTimestampAtLastSyncForData()
 283             );
 284             cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 285             cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 286             cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 287             cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 288             //cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 289             cv.put(ProviderTableMeta.FILE_PARENT, folder.getFileId());
 290             cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 291             if (!file.isFolder()) {
 292                 cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 293             }
 294             cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 295             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 296             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 297             cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
 298             cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 299             cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
 300             cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 301             cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 302             cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 303
 304             boolean existsByPath = fileExists(file.getRemotePath());
 305             if (existsByPath || fileExists(file.getFileId())) {
 306                 // updating an existing file
 307                 operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 308                         withValues(cv).
 309                         withSelection(  ProviderTableMeta._ID + "=?",
 310                                 new String[] { String.valueOf(file.getFileId()) })
 311                                 .build());
 312
 313             } else {
 314                 // adding a new file
 315                 operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
 316                         withValues(cv).build());
 317             }
 318         }
 319
 320         // prepare operations to remove files in the given folder
 321         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 322                 ProviderTableMeta.FILE_PATH + "=?";
 323         String [] whereArgs = null;
 324         for (OCFile file : filesToRemove) {
 325             if (file.getParentId() == folder.getFileId()) {
 326                 whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 327                 //Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE, "" + file.getFileId());
 328                 if (file.isFolder()) {
 329                     operations.add(ContentProviderOperation.newDelete(
 330                             ContentUris.withAppendedId(
 331                                     ProviderTableMeta.CONTENT_URI_DIR, file.getFileId()
 332                             )
 333                     ).withSelection(where, whereArgs).build());
 334
 335                     File localFolder =
 336                             new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 337                     if (localFolder.exists()) {
 338                         removeLocalFolder(localFolder);
 339                     }
 340                 } else {
 341                     operations.add(ContentProviderOperation.newDelete(
 342                             ContentUris.withAppendedId(
 343                                     ProviderTableMeta.CONTENT_URI_FILE, file.getFileId()
 344                             )
 345                     ).withSelection(where, whereArgs).build());
 346
 347                     if (file.isDown()) {
 348                         new File(file.getStoragePath()).delete();
 349                     }
 350                 }
 351             }
 352         }
 353
 354         // update metadata of folder
 355         ContentValues cv = new ContentValues();
 356         cv.put(ProviderTableMeta.FILE_MODIFIED, folder.getModificationTimestamp());
 357         cv.put(
 358             ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 359             folder.getModificationTimestampAtLastSyncForData()
 360         );
 361         cv.put(ProviderTableMeta.FILE_CREATION, folder.getCreationTimestamp());
 362         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, 0);
 363         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, folder.getMimetype());
 364         cv.put(ProviderTableMeta.FILE_NAME, folder.getFileName());
 365         cv.put(ProviderTableMeta.FILE_PARENT, folder.getParentId());
 366         cv.put(ProviderTableMeta.FILE_PATH, folder.getRemotePath());
 367         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 368         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, folder.getLastSyncDateForProperties());
 369         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, folder.getLastSyncDateForData());
 370         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, folder.keepInSync() ? 1 : 0);
 371         cv.put(ProviderTableMeta.FILE_ETAG, folder.getEtag());
 372         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, folder.isShareByLink() ? 1 : 0);
 373         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, folder.getPublicLink());
 374         cv.put(ProviderTableMeta.FILE_PERMISSIONS, folder.getPermissions());
 375         cv.put(ProviderTableMeta.FILE_REMOTE_ID, folder.getRemoteId());
 376
 377         operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 378                 withValues(cv).
 379                 withSelection(  ProviderTableMeta._ID + "=?",
 380                         new String[] { String.valueOf(folder.getFileId()) })
 381                         .build());
 382
 383         // apply operations in batch
 384         ContentProviderResult[] results = null;
 385         Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
 386         try {
 387             if (getContentResolver() != null) {
 388                 results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 389
 390             } else {
 391                 results = getContentProviderClient().applyBatch(operations);
 392             }
 393
 394         } catch (OperationApplicationException e) {
 395             Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
 396
 397         } catch (RemoteException e) {
 398             Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
 399         }
 400
 401         // update new id in file objects for insertions
 402         if (results != null) {
 403             long newId;
 404             Iterator<OCFile> filesIt = updatedFiles.iterator();
 405             OCFile file = null;
 406             for (int i=0; i<results.length; i++) {
 407                 if (filesIt.hasNext()) {
 408                     file = filesIt.next();
 409                 } else {
 410                     file = null;
 411                 }
 412                 if (results[i].uri != null) {
 413                     newId = Long.parseLong(results[i].uri.getPathSegments().get(1));
 414                     //updatedFiles.get(i).setFileId(newId);
 415                     if (file != null) {
 416                         file.setFileId(newId);
 417                     }
 418                 }
 419             }
 420         }
 421
 422         //updateFolderSize(folder.getFileId());
 423
 424     }
 425
 426
 427 //    /**
 428 //     *
 429 //     * @param id
 430 //     */
 431 //    private void updateFolderSize(long id) {
 432 //        if (id > FileDataStorageManager.ROOT_PARENT_ID) {
 433 //            Log_OC.d(TAG, "Updating size of " + id);
 434 //            if (getContentResolver() != null) {
 435 //                getContentResolver().update(ProviderTableMeta.CONTENT_URI_DIR,
 436 //                        new ContentValues(),
 437                             // won't be used, but cannot be null; crashes in KLP
 438 //                        ProviderTableMeta._ID + "=?",
 439 //                        new String[] { String.valueOf(id) });
 440 //            } else {
 441 //                try {
 442 //                    getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_DIR,
 443 //                            new ContentValues(),
 444                                 // won't be used, but cannot be null; crashes in KLP
 445 //                            ProviderTableMeta._ID + "=?",
 446 //                            new String[] { String.valueOf(id) });
 447 //
 448 //                } catch (RemoteException e) {
 449 //                    Log_OC.e(
 450 //    TAG, "Exception in update of folder size through compatibility patch " + e.getMessage());
 451 //                }
 452 //            }
 453 //        } else {
 454 //            Log_OC.e(TAG,  "not updating size for folder " + id);
 455 //        }
 456 //    }
 457
 458
 459     public boolean removeFile(OCFile file, boolean removeDBData, boolean removeLocalCopy) {
 460         boolean success = true;
 461         if (file != null) {
 462             if (file.isFolder()) {
 463                 success = removeFolder(file, removeDBData, removeLocalCopy);
 464
 465             } else {
 466                 if (removeDBData) {
 467                     Uri file_uri = ContentUris.withAppendedId(
 468                         ProviderTableMeta.CONTENT_URI_FILE,
 469                         file.getFileId()
 470                     );
 471                     String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 472                             ProviderTableMeta.FILE_PATH + "=?";
 473                     String [] whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 474                     int deleted = 0;
 475                     if (getContentProviderClient() != null) {
 476                         try {
 477                             deleted = getContentProviderClient().delete(file_uri, where, whereArgs);
 478                         } catch (RemoteException e) {
 479                             e.printStackTrace();
 480                         }
 481                     } else {
 482                         deleted = getContentResolver().delete(file_uri, where, whereArgs);
 483                     }
 484                     success &= (deleted > 0);
 485                 }
 486                 if (removeLocalCopy && file.isDown() && file.getStoragePath() != null && success) {
 487                     success = new File(file.getStoragePath()).delete();
 488                     if (!removeDBData && success) {
 489                         // maybe unnecessary, but should be checked TODO remove if unnecessary
 490                         file.setStoragePath(null);
 491                         saveFile(file);
 492                     }
 493                 }
 494             }
 495         }
 496         return success;
 497     }
 498
 499
 500     public boolean removeFolder(OCFile folder, boolean removeDBData, boolean removeLocalContent) {
 501         boolean success = true;
 502         if (folder != null && folder.isFolder()) {
 503             if (removeDBData &&  folder.getFileId() != -1) {
 504                 success = removeFolderInDb(folder);
 505             }
 506             if (removeLocalContent && success) {
 507                 success = removeLocalFolder(folder);
 508             }
 509         }
 510         return success;
 511     }
 512
 513     private boolean removeFolderInDb(OCFile folder) {
 514         Uri folder_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, "" +
 515                 folder.getFileId());   // URI for recursive deletion
 516         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 517                 ProviderTableMeta.FILE_PATH + "=?";
 518         String [] whereArgs = new String[]{mAccount.name, folder.getRemotePath()};
 519         int deleted = 0;
 520         if (getContentProviderClient() != null) {
 521             try {
 522                 deleted = getContentProviderClient().delete(folder_uri, where, whereArgs);
 523             } catch (RemoteException e) {
 524                 e.printStackTrace();
 525             }
 526         } else {
 527             deleted = getContentResolver().delete(folder_uri, where, whereArgs);
 528         }
 529         return deleted > 0;
 530     }
 531
 532     private boolean removeLocalFolder(OCFile folder) {
 533         boolean success = true;
 534         File localFolder = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, folder));
 535         if (localFolder.exists()) {
 536             // stage 1: remove the local files already registered in the files database
 537             Vector<OCFile> files = getFolderContent(folder.getFileId());
 538             if (files != null) {
 539                 for (OCFile file : files) {
 540                     if (file.isFolder()) {
 541                         success &= removeLocalFolder(file);
 542                     } else {
 543                         if (file.isDown()) {
 544                             File localFile = new File(file.getStoragePath());
 545                             success &= localFile.delete();
 546                             if (success) {
 547                                 file.setStoragePath(null);
 548                                 saveFile(file);
 549                             }
 550                         }
 551                     }
 552                 }
 553             }
 554
 555             // stage 2: remove the folder itself and any local file inside out of sync;
 556             //          for instance, after clearing the app cache or reinstalling
 557             success &= removeLocalFolder(localFolder);
 558         }
 559         return success;
 560     }
 561
 562     private boolean removeLocalFolder(File localFolder) {
 563         boolean success = true;
 564         File[] localFiles = localFolder.listFiles();
 565         if (localFiles != null) {
 566             for (File localFile : localFiles) {
 567                 if (localFile.isDirectory()) {
 568                     success &= removeLocalFolder(localFile);
 569                 } else {
 570                     success &= localFile.delete();
 571                 }
 572             }
 573         }
 574         success &= localFolder.delete();
 575         return success;
 576     }
 577
 578     /**
 579      * Updates database for a folder that was moved to a different location.
 580      *
 581      * TODO explore better (faster) implementations
 582      * TODO throw exceptions up !
 583      */
 584     public void moveFolder(OCFile folder, String newPath) {
 585         // TODO check newPath
 586
 587         if (    folder != null && folder.isFolder() &&
 588                 folder.fileExists() && !OCFile.ROOT_PATH.equals(folder.getFileName())
 589             ) {
 590             /// 1. get all the descendants of 'dir' in a single QUERY (including 'dir')
 591             Cursor c = null;
 592             if (getContentProviderClient() != null) {
 593                 try {
 594                     c = getContentProviderClient().query (
 595                         ProviderTableMeta.CONTENT_URI,
 596                         null,
 597                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 598                                 ProviderTableMeta.FILE_PATH + " LIKE ? ",
 599                         new String[] { mAccount.name, folder.getRemotePath() + "%"  },
 600                         ProviderTableMeta.FILE_PATH + " ASC "
 601                     );
 602                 } catch (RemoteException e) {
 603                     Log_OC.e(TAG, e.getMessage());
 604                 }
 605             } else {
 606                 c = getContentResolver().query (
 607                     ProviderTableMeta.CONTENT_URI,
 608                     null,
 609                     ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 610                             ProviderTableMeta.FILE_PATH + " LIKE ? ",
 611                     new String[] { mAccount.name, folder.getRemotePath() + "%"  },
 612                     ProviderTableMeta.FILE_PATH + " ASC "
 613                 );
 614             }
 615
 616             /// 2. prepare a batch of update operations to change all the descendants
 617             ArrayList<ContentProviderOperation> operations =
 618                     new ArrayList<ContentProviderOperation>(c.getCount());
 619             int lengthOfOldPath = folder.getRemotePath().length();
 620             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 621             int lengthOfOldStoragePath = defaultSavePath.length() + lengthOfOldPath;
 622             if (c.moveToFirst()) {
 623                 do {
 624                     ContentValues cv = new ContentValues(); // keep the constructor in the loop
 625                     OCFile child = createFileInstance(c);
 626                     cv.put(
 627                         ProviderTableMeta.FILE_PATH,
 628                         newPath + child.getRemotePath().substring(lengthOfOldPath)
 629                     );
 630                     if (    child.getStoragePath() != null &&
 631                             child.getStoragePath().startsWith(defaultSavePath)  ) {
 632                         cv.put(
 633                                 ProviderTableMeta.FILE_STORAGE_PATH,
 634                                 defaultSavePath + newPath +
 635                                     child.getStoragePath().substring(lengthOfOldStoragePath)
 636                         );
 637                     }
 638                     operations.add(
 639                             ContentProviderOperation.
 640                             newUpdate(ProviderTableMeta.CONTENT_URI).
 641                             withValues(cv).
 642                             withSelection(
 643                                     ProviderTableMeta._ID + "=?",
 644                                     new String[] { String.valueOf(child.getFileId()) }
 645                             ).
 646                             build()
 647                     );
 648                 } while (c.moveToNext());
 649             }
 650             c.close();
 651
 652             /// 3. apply updates in batch
 653             try {
 654                 if (getContentResolver() != null) {
 655                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 656
 657                 } else {
 658                     getContentProviderClient().applyBatch(operations);
 659                 }
 660
 661             } catch (OperationApplicationException e) {
 662                 Log_OC.e(TAG, "Fail to update descendants of " +
 663                         folder.getFileId() + " in database", e);
 664
 665             } catch (RemoteException e) {
 666                 Log_OC.e(TAG, "Fail to update desendants of " +
 667                         folder.getFileId() + " in database", e);
 668             }
 669
 670         }
 671     }
 672
 673
 674     public void moveLocalFile(OCFile file, String targetPath, String targetParentPath) {
 675
 676         if (file != null && file.fileExists() && !OCFile.ROOT_PATH.equals(file.getFileName())) {
 677
 678             OCFile targetParent = getFileByPath(targetParentPath);
 679             if (targetParent == null) {
 680                 // TODO panic
 681             }
 682
 683             /// 1. get all the descendants of the moved element in a single QUERY
 684             Cursor c = null;
 685             if (getContentProviderClient() != null) {
 686                 try {
 687                     c = getContentProviderClient().query(
 688                         ProviderTableMeta.CONTENT_URI,
 689                         null,
 690                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 691                                 ProviderTableMeta.FILE_PATH + " LIKE ? ",
 692                         new String[] {
 693                                 mAccount.name,
 694                                 file.getRemotePath() + "%"
 695                         },
 696                         ProviderTableMeta.FILE_PATH + " ASC "
 697                     );
 698                 } catch (RemoteException e) {
 699                     Log_OC.e(TAG, e.getMessage());
 700                 }
 701
 702             } else {
 703                 c = getContentResolver().query(
 704                     ProviderTableMeta.CONTENT_URI,
 705                     null,
 706                     ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 707                             ProviderTableMeta.FILE_PATH + " LIKE ? ",
 708                     new String[] {
 709                             mAccount.name,
 710                             file.getRemotePath() + "%"
 711                     },
 712                     ProviderTableMeta.FILE_PATH + " ASC "
 713                 );
 714             }
 715
 716             /// 2. prepare a batch of update operations to change all the descendants
 717             ArrayList<ContentProviderOperation> operations =
 718                     new ArrayList<ContentProviderOperation>(c.getCount());
 719             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 720             if (c.moveToFirst()) {
 721                 int lengthOfOldPath = file.getRemotePath().length();
 722                 int lengthOfOldStoragePath = defaultSavePath.length() + lengthOfOldPath;
 723                 do {
 724                     ContentValues cv = new ContentValues(); // keep construction in the loop
 725                     OCFile child = createFileInstance(c);
 726                     cv.put(
 727                         ProviderTableMeta.FILE_PATH,
 728                         targetPath + child.getRemotePath().substring(lengthOfOldPath)
 729                     );
 730                     if (child.getStoragePath() != null &&
 731                             child.getStoragePath().startsWith(defaultSavePath)) {
 732                         // update link to downloaded content - but local move is not done here!
 733                         cv.put(
 734                             ProviderTableMeta.FILE_STORAGE_PATH,
 735                             defaultSavePath + targetPath +
 736                                 child.getStoragePath().substring(lengthOfOldStoragePath)
 737                         );
 738                     }
 739                     if (child.getRemotePath().equals(file.getRemotePath())) {
 740                         cv.put(
 741                                 ProviderTableMeta.FILE_PARENT,
 742                                 targetParent.getFileId()
 743                             );
 744                     }
 745                     operations.add(
 746                         ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 747                             withValues(cv).
 748                             withSelection(
 749                                     ProviderTableMeta._ID + "=?",
 750                                     new String[] { String.valueOf(child.getFileId()) }
 751                                     )
 752                             .build());
 753
 754                 } while (c.moveToNext());
 755             }
 756             c.close();
 757
 758             /// 3. apply updates in batch
 759             try {
 760                 if (getContentResolver() != null) {
 761                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 762
 763                 } else {
 764                     getContentProviderClient().applyBatch(operations);
 765                 }
 766
 767             } catch (Exception e) {
 768                 Log_OC.e(
 769                     TAG,
 770                     "Fail to update " + file.getFileId() + " and descendants in database",
 771                     e
 772                 );
 773             }
 774
 775             /// 4. move in local file system
 776             String localPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, file);
 777             File localFile = new File(localPath);
 778             boolean renamed = false;
 779             if (localFile.exists()) {
 780                 File targetFile = new File(defaultSavePath + targetPath);
 781                 File targetFolder = targetFile.getParentFile();
 782                 if (!targetFolder.exists()) {
 783                     targetFolder.mkdirs();
 784                 }
 785                 renamed = localFile.renameTo(targetFile);
 786             }
 787             Log_OC.d(TAG, "Local file RENAMED : " + renamed);
 788
 789         }
 790
 791     }
 792
 793
 794     private Vector<OCFile> getFolderContent(long parentId) {
 795
 796         Vector<OCFile> ret = new Vector<OCFile>();
 797
 798         Uri req_uri = Uri.withAppendedPath(
 799                 ProviderTableMeta.CONTENT_URI_DIR,
 800                 String.valueOf(parentId));
 801         Cursor c = null;
 802
 803         if (getContentProviderClient() != null) {
 804             try {
 805                 c = getContentProviderClient().query(req_uri, null,
 806                         ProviderTableMeta.FILE_PARENT + "=?" ,
 807                         new String[] { String.valueOf(parentId)}, null);
 808             } catch (RemoteException e) {
 809                 Log_OC.e(TAG, e.getMessage());
 810                 return ret;
 811             }
 812         } else {
 813             c = getContentResolver().query(req_uri, null,
 814                     ProviderTableMeta.FILE_PARENT + "=?" ,
 815                     new String[] { String.valueOf(parentId)}, null);
 816         }
 817
 818         if (c.moveToFirst()) {
 819             do {
 820                 OCFile child = createFileInstance(c);
 821                 ret.add(child);
 822             } while (c.moveToNext());
 823         }
 824
 825         c.close();
 826
 827         Collections.sort(ret);
 828
 829         return ret;
 830     }
 831
 832
 833     private OCFile createRootDir() {
 834         OCFile file = new OCFile(OCFile.ROOT_PATH);
 835         file.setMimetype("DIR");
 836         file.setParentId(FileDataStorageManager.ROOT_PARENT_ID);
 837         saveFile(file);
 838         return file;
 839     }
 840
 841     private boolean fileExists(String cmp_key, String value) {
 842         Cursor c;
 843         if (getContentResolver() != null) {
 844             c = getContentResolver()
 845                     .query(ProviderTableMeta.CONTENT_URI,
 846                             null,
 847                             cmp_key + "=? AND "
 848                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 849                                     + "=?",
 850                                     new String[] { value, mAccount.name }, null);
 851         } else {
 852             try {
 853                 c = getContentProviderClient().query(
 854                         ProviderTableMeta.CONTENT_URI,
 855                         null,
 856                         cmp_key + "=? AND "
 857                                 + ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
 858                                 new String[] { value, mAccount.name }, null);
 859             } catch (RemoteException e) {
 860                 Log_OC.e(TAG,
 861                         "Couldn't determine file existance, assuming non existance: "
 862                                 + e.getMessage());
 863                 return false;
 864             }
 865         }
 866         boolean retval = c.moveToFirst();
 867         c.close();
 868         return retval;
 869     }
 870
 871     private Cursor getCursorForValue(String key, String value) {
 872         Cursor c = null;
 873         if (getContentResolver() != null) {
 874             c = getContentResolver()
 875                     .query(ProviderTableMeta.CONTENT_URI,
 876                             null,
 877                             key + "=? AND "
 878                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 879                                     + "=?",
 880                                     new String[] { value, mAccount.name }, null);
 881         } else {
 882             try {
 883                 c = getContentProviderClient().query(
 884                         ProviderTableMeta.CONTENT_URI,
 885                         null,
 886                         key + "=? AND " + ProviderTableMeta.FILE_ACCOUNT_OWNER
 887                         + "=?", new String[] { value, mAccount.name },
 888                         null);
 889             } catch (RemoteException e) {
 890                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 891                 c = null;
 892             }
 893         }
 894         return c;
 895     }
 896
 897
 898     private OCFile createFileInstance(Cursor c) {
 899         OCFile file = null;
 900         if (c != null) {
 901             file = new OCFile(c.getString(c
 902                     .getColumnIndex(ProviderTableMeta.FILE_PATH)));
 903             file.setFileId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
 904             file.setParentId(c.getLong(c
 905                     .getColumnIndex(ProviderTableMeta.FILE_PARENT)));
 906             file.setMimetype(c.getString(c
 907                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE)));
 908             if (!file.isFolder()) {
 909                 file.setStoragePath(c.getString(c
 910                         .getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH)));
 911                 if (file.getStoragePath() == null) {
 912                     // try to find existing file and bind it with current account;
 913                     // with the current update of SynchronizeFolderOperation, this won't be
 914                     // necessary anymore after a full synchronization of the account
 915                     File f = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 916                     if (f.exists()) {
 917                         file.setStoragePath(f.getAbsolutePath());
 918                         file.setLastSyncDateForData(f.lastModified());
 919                     }
 920                 }
 921             }
 922             file.setFileLength(c.getLong(c
 923                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH)));
 924             file.setCreationTimestamp(c.getLong(c
 925                     .getColumnIndex(ProviderTableMeta.FILE_CREATION)));
 926             file.setModificationTimestamp(c.getLong(c
 927                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED)));
 928             file.setModificationTimestampAtLastSyncForData(c.getLong(c
 929                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA)));
 930             file.setLastSyncDateForProperties(c.getLong(c
 931                     .getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE)));
 932             file.setLastSyncDateForData(c.getLong(c.
 933                     getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA)));
 934             file.setKeepInSync(c.getInt(
 935                     c.getColumnIndex(ProviderTableMeta.FILE_KEEP_IN_SYNC)) == 1 ? true : false);
 936             file.setEtag(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG)));
 937             file.setShareByLink(c.getInt(
 938                     c.getColumnIndex(ProviderTableMeta.FILE_SHARE_BY_LINK)) == 1 ? true : false);
 939             file.setPublicLink(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PUBLIC_LINK)));
 940             file.setPermissions(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PERMISSIONS)));
 941             file.setRemoteId(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_REMOTE_ID)));
 942             file.setNeedsUpdateThumbnail(c.getInt(
 943                     c.getColumnIndex(ProviderTableMeta.FILE_UPDATE_THUMBNAIL)) == 1 ? true : false);
 944
 945         }
 946         return file;
 947     }
 948
 949     /**
 950      * Returns if the file/folder is shared by link or not
 951      * @param path  Path of the file/folder
 952      * @return
 953      */
 954     public boolean isShareByLink(String path) {
 955         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 956         OCFile file = null;
 957         if (c.moveToFirst()) {
 958             file = createFileInstance(c);
 959         }
 960         c.close();
 961         return file.isShareByLink();
 962     }
 963
 964     /**
 965      * Returns the public link of the file/folder
 966      * @param path  Path of the file/folder
 967      * @return
 968      */
 969     public String getPublicLink(String path) {
 970         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 971         OCFile file = null;
 972         if (c.moveToFirst()) {
 973             file = createFileInstance(c);
 974         }
 975         c.close();
 976         return file.getPublicLink();
 977     }
 978
 979
 980     // Methods for Shares
 981     public boolean saveShare(OCShare share) {
 982         boolean overriden = false;
 983         ContentValues cv = new ContentValues();
 984         cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
 985         cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
 986         cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
 987         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
 988         cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
 989         cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
 990         cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
 991         cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
 992         cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
 993         cv.put(
 994             ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
 995             share.getSharedWithDisplayName()
 996         );
 997         cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
 998         cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
 999         cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1000         cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1001
1002         if (shareExists(share.getIdRemoteShared())) {   // for renamed files
1003
1004             overriden = true;
1005             if (getContentResolver() != null) {
1006                 getContentResolver().update(ProviderTableMeta.CONTENT_URI_SHARE, cv,
1007                         ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1008                         new String[] { String.valueOf(share.getIdRemoteShared()) });
1009             } else {
1010                 try {
1011                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_SHARE,
1012                             cv, ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1013                             new String[] { String.valueOf(share.getIdRemoteShared()) });
1014                 } catch (RemoteException e) {
1015                     Log_OC.e(TAG,
1016                             "Fail to insert insert file to database "
1017                                     + e.getMessage());
1018                 }
1019             }
1020         } else {
1021             Uri result_uri = null;
1022             if (getContentResolver() != null) {
1023                 result_uri = getContentResolver().insert(
1024                         ProviderTableMeta.CONTENT_URI_SHARE, cv);
1025             } else {
1026                 try {
1027                     result_uri = getContentProviderClient().insert(
1028                             ProviderTableMeta.CONTENT_URI_SHARE, cv);
1029                 } catch (RemoteException e) {
1030                     Log_OC.e(TAG,
1031                             "Fail to insert insert file to database "
1032                                     + e.getMessage());
1033                 }
1034             }
1035             if (result_uri != null) {
1036                 long new_id = Long.parseLong(result_uri.getPathSegments()
1037                         .get(1));
1038                 share.setId(new_id);
1039             }
1040         }
1041
1042         return overriden;
1043     }
1044
1045
1046     public OCShare getFirstShareByPathAndType(String path, ShareType type) {
1047         Cursor c = null;
1048         if (getContentResolver() != null) {
1049             c = getContentResolver().query(
1050                     ProviderTableMeta.CONTENT_URI_SHARE,
1051                     null,
1052                     ProviderTableMeta.OCSHARES_PATH + "=? AND "
1053                             + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
1054                             + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1055                     new String[] { path, Integer.toString(type.getValue()), mAccount.name },
1056                     null);
1057         } else {
1058             try {
1059                 c = getContentProviderClient().query(
1060                         ProviderTableMeta.CONTENT_URI_SHARE,
1061                         null,
1062                         ProviderTableMeta.OCSHARES_PATH + "=? AND "
1063                                 + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
1064                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1065                         new String[] { path, Integer.toString(type.getValue()), mAccount.name },
1066                         null);
1067
1068             } catch (RemoteException e) {
1069                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
1070                 c = null;
1071             }
1072         }
1073         OCShare share = null;
1074         if (c.moveToFirst()) {
1075             share = createShareInstance(c);
1076         }
1077         c.close();
1078         return share;
1079     }
1080
1081     private OCShare createShareInstance(Cursor c) {
1082         OCShare share = null;
1083         if (c != null) {
1084             share = new OCShare(c.getString(c
1085                     .getColumnIndex(ProviderTableMeta.OCSHARES_PATH)));
1086             share.setId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
1087             share.setFileSource(c.getLong(c
1088                     .getColumnIndex(ProviderTableMeta.OCSHARES_ITEM_SOURCE)));
1089             share.setShareType(ShareType.fromValue(c.getInt(c
1090                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_TYPE))));
1091             share.setPermissions(c.getInt(c
1092                     .getColumnIndex(ProviderTableMeta.OCSHARES_PERMISSIONS)));
1093             share.setSharedDate(c.getLong(c
1094                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARED_DATE)));
1095             share.setExpirationDate(c.getLong(c
1096                     .getColumnIndex(ProviderTableMeta.OCSHARES_EXPIRATION_DATE)));
1097             share.setToken(c.getString(c
1098                     .getColumnIndex(ProviderTableMeta.OCSHARES_TOKEN)));
1099             share.setSharedWithDisplayName(c.getString(c
1100                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME)));
1101             share.setIsFolder(c.getInt(
1102                     c.getColumnIndex(ProviderTableMeta.OCSHARES_IS_DIRECTORY)) == 1 ? true : false);
1103             share.setUserId(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_USER_ID)));
1104             share.setIdRemoteShared(
1105                 c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED))
1106             );
1107
1108         }
1109         return share;
1110     }
1111
1112     private boolean shareExists(String cmp_key, String value) {
1113         Cursor c;
1114         if (getContentResolver() != null) {
1115             c = getContentResolver()
1116                     .query(ProviderTableMeta.CONTENT_URI_SHARE,
1117                             null,
1118                             cmp_key + "=? AND "
1119                                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
1120                                     + "=?",
1121                                     new String[] { value, mAccount.name }, null);
1122         } else {
1123             try {
1124                 c = getContentProviderClient().query(
1125                         ProviderTableMeta.CONTENT_URI_SHARE,
1126                         null,
1127                         cmp_key + "=? AND "
1128                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1129                                 new String[] { value, mAccount.name }, null);
1130             } catch (RemoteException e) {
1131                 Log_OC.e(TAG,
1132                         "Couldn't determine file existance, assuming non existance: "
1133                                 + e.getMessage());
1134                 return false;
1135             }
1136         }
1137         boolean retval = c.moveToFirst();
1138         c.close();
1139         return retval;
1140     }
1141
1142     private boolean shareExists(long remoteId) {
1143         return shareExists(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, String.valueOf(remoteId));
1144     }
1145
1146     private void cleanSharedFiles() {
1147         ContentValues cv = new ContentValues();
1148         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
1149         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1150         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?";
1151         String [] whereArgs = new String[]{mAccount.name};
1152
1153         if (getContentResolver() != null) {
1154             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1155
1156         } else {
1157             try {
1158                 getContentProviderClient().update(
1159                         ProviderTableMeta.CONTENT_URI, cv, where, whereArgs
1160                 );
1161
1162             } catch (RemoteException e) {
1163                 Log_OC.e(TAG, "Exception in cleanSharedFiles" + e.getMessage());
1164             }
1165         }
1166     }
1167
1168     private void cleanSharedFilesInFolder(OCFile folder) {
1169         ContentValues cv = new ContentValues();
1170         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
1171         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1172         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1173                 ProviderTableMeta.FILE_PARENT + "=?";
1174         String [] whereArgs = new String[] { mAccount.name , String.valueOf(folder.getFileId()) };
1175
1176         if (getContentResolver() != null) {
1177             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1178
1179         } else {
1180             try {
1181                 getContentProviderClient().update(
1182                         ProviderTableMeta.CONTENT_URI, cv, where, whereArgs
1183                 );
1184
1185             } catch (RemoteException e) {
1186                 Log_OC.e(TAG, "Exception in cleanSharedFilesInFolder " + e.getMessage());
1187             }
1188         }
1189     }
1190
1191     private void cleanShares() {
1192         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1193         String [] whereArgs = new String[]{mAccount.name};
1194
1195         if (getContentResolver() != null) {
1196             getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1197
1198         } else {
1199             try {
1200                 getContentProviderClient().delete(
1201                         ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs
1202                 );
1203
1204             } catch (RemoteException e) {
1205                 Log_OC.e(TAG, "Exception in cleanShares" + e.getMessage());
1206             }
1207         }
1208     }
1209
1210     public void saveShares(Collection<OCShare> shares) {
1211         cleanShares();
1212         if (shares != null) {
1213             ArrayList<ContentProviderOperation> operations =
1214                     new ArrayList<ContentProviderOperation>(shares.size());
1215
1216             // prepare operations to insert or update files to save in the given folder
1217             for (OCShare share : shares) {
1218                 ContentValues cv = new ContentValues();
1219                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1220                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1221                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1222                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1223                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1224                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1225                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1226                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1227                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1228                 cv.put(
1229                     ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1230                     share.getSharedWithDisplayName()
1231                 );
1232                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1233                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1234                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1235                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1236
1237                 if (shareExists(share.getIdRemoteShared())) {
1238                     // updating an existing file
1239                     operations.add(
1240                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1241                             withValues(cv).
1242                             withSelection(
1243                                     ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1244                                     new String[] { String.valueOf(share.getIdRemoteShared()) }
1245                             ).
1246                             build()
1247                     );
1248
1249                 } else {
1250                     // adding a new file
1251                     operations.add(
1252                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1253                             withValues(cv).
1254                             build()
1255                     );
1256                 }
1257             }
1258
1259             // apply operations in batch
1260             if (operations.size() > 0) {
1261                 @SuppressWarnings("unused")
1262                 ContentProviderResult[] results = null;
1263                 Log_OC.d(TAG, "Sending " + operations.size() +
1264                         " operations to FileContentProvider");
1265                 try {
1266                     if (getContentResolver() != null) {
1267                         results = getContentResolver().applyBatch(
1268                                 MainApp.getAuthority(), operations
1269                         );
1270
1271                     } else {
1272                         results = getContentProviderClient().applyBatch(operations);
1273                     }
1274
1275                 } catch (OperationApplicationException e) {
1276                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1277
1278                 } catch (RemoteException e) {
1279                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1280                 }
1281             }
1282         }
1283
1284     }
1285
1286     public void updateSharedFiles(Collection<OCFile> sharedFiles) {
1287         cleanSharedFiles();
1288
1289         if (sharedFiles != null) {
1290             ArrayList<ContentProviderOperation> operations =
1291                     new ArrayList<ContentProviderOperation>(sharedFiles.size());
1292
1293             // prepare operations to insert or update files to save in the given folder
1294             for (OCFile file : sharedFiles) {
1295                 ContentValues cv = new ContentValues();
1296                 cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
1297                 cv.put(
1298                     ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
1299                     file.getModificationTimestampAtLastSyncForData()
1300                 );
1301                 cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
1302                 cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
1303                 cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
1304                 cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
1305                 cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
1306                 cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
1307                 if (!file.isFolder()) {
1308                     cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
1309                 }
1310                 cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
1311                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
1312                 cv.put(
1313                     ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA,
1314                     file.getLastSyncDateForData()
1315                 );
1316                 cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
1317                 cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
1318                 cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
1319                 cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
1320                 cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
1321                 cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
1322                 cv.put(
1323                     ProviderTableMeta.FILE_UPDATE_THUMBNAIL,
1324                     file.needsUpdateThumbnail() ? 1 : 0
1325                 );
1326
1327                 boolean existsByPath = fileExists(file.getRemotePath());
1328                 if (existsByPath || fileExists(file.getFileId())) {
1329                     // updating an existing file
1330                     operations.add(
1331                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
1332                             withValues(cv).
1333                             withSelection(
1334                                     ProviderTableMeta._ID + "=?",
1335                                     new String[] { String.valueOf(file.getFileId()) }
1336                             ).build()
1337                     );
1338
1339                 } else {
1340                     // adding a new file
1341                     operations.add(
1342                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
1343                             withValues(cv).
1344                             build()
1345                     );
1346                 }
1347             }
1348
1349             // apply operations in batch
1350             if (operations.size() > 0) {
1351                 @SuppressWarnings("unused")
1352                 ContentProviderResult[] results = null;
1353                 Log_OC.d(TAG, "Sending " + operations.size() +
1354                         " operations to FileContentProvider");
1355                 try {
1356                     if (getContentResolver() != null) {
1357                         results = getContentResolver().applyBatch(
1358                                 MainApp.getAuthority(), operations
1359                         );
1360
1361                     } else {
1362                         results = getContentProviderClient().applyBatch(operations);
1363                     }
1364
1365                 } catch (OperationApplicationException e) {
1366                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1367
1368                 } catch (RemoteException e) {
1369                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1370                 }
1371             }
1372         }
1373
1374     }
1375
1376     public void removeShare(OCShare share){
1377         Uri share_uri = ProviderTableMeta.CONTENT_URI_SHARE;
1378         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?" + " AND " +
1379                 ProviderTableMeta.FILE_PATH + "=?";
1380         String [] whereArgs = new String[]{mAccount.name, share.getPath()};
1381         if (getContentProviderClient() != null) {
1382             try {
1383                 getContentProviderClient().delete(share_uri, where, whereArgs);
1384             } catch (RemoteException e) {
1385                 e.printStackTrace();
1386             }
1387         } else {
1388             getContentResolver().delete(share_uri, where, whereArgs);
1389         }
1390     }
1391
1392     public void saveSharesDB(ArrayList<OCShare> shares) {
1393         saveShares(shares);
1394
1395         ArrayList<OCFile> sharedFiles = new ArrayList<OCFile>();
1396
1397         for (OCShare share : shares) {
1398             // Get the path
1399             String path = share.getPath();
1400             if (share.isFolder()) {
1401                 path = path + FileUtils.PATH_SEPARATOR;
1402             }
1403
1404             // Update OCFile with data from share: ShareByLink  ¿and publicLink?
1405             OCFile file = getFileByPath(path);
1406             if (file != null) {
1407                 if (share.getShareType().equals(ShareType.PUBLIC_LINK)) {
1408                     file.setShareByLink(true);
1409                     sharedFiles.add(file);
1410                 }
1411             }
1412         }
1413
1414         updateSharedFiles(sharedFiles);
1415     }
1416
1417
1418     public void saveSharesInFolder(ArrayList<OCShare> shares, OCFile folder) {
1419         cleanSharedFilesInFolder(folder);
1420         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1421         operations = prepareRemoveSharesInFolder(folder, operations);
1422
1423         if (shares != null) {
1424             // prepare operations to insert or update files to save in the given folder
1425             for (OCShare share : shares) {
1426                 ContentValues cv = new ContentValues();
1427                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1428                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1429                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1430                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1431                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1432                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1433                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1434                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1435                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1436                 cv.put(
1437                     ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1438                     share.getSharedWithDisplayName()
1439                 );
1440                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1441                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1442                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1443                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1444
1445                 /*
1446                 if (shareExists(share.getIdRemoteShared())) {
1447                     // updating an existing share resource
1448                     operations.add(
1449                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1450                             withValues(cv).
1451                             withSelection(  ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1452                                     new String[] { String.valueOf(share.getIdRemoteShared()) })
1453                                     .build());
1454
1455                 } else {
1456                 */
1457                 // adding a new share resource
1458                 operations.add(
1459                         ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1460                         withValues(cv).
1461                         build()
1462                 );
1463                 //}
1464             }
1465         }
1466
1467         // apply operations in batch
1468         if (operations.size() > 0) {
1469             @SuppressWarnings("unused")
1470             ContentProviderResult[] results = null;
1471             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1472             try {
1473                 if (getContentResolver() != null) {
1474                     results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1475
1476                 } else {
1477                     results = getContentProviderClient().applyBatch(operations);
1478                 }
1479
1480             } catch (OperationApplicationException e) {
1481                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1482
1483             } catch (RemoteException e) {
1484                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1485             }
1486         }
1487         //}
1488
1489     }
1490
1491     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFolder(
1492             OCFile folder, ArrayList<ContentProviderOperation> preparedOperations
1493             ) {
1494         if (folder != null) {
1495             String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND "
1496                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1497             String [] whereArgs = new String[]{ "", mAccount.name };
1498
1499             Vector<OCFile> files = getFolderContent(folder);
1500
1501             for (OCFile file : files) {
1502                 whereArgs[0] = file.getRemotePath();
1503                 preparedOperations.add(
1504                         ContentProviderOperation.newDelete(ProviderTableMeta.CONTENT_URI_SHARE).
1505                         withSelection(where, whereArgs).
1506                         build()
1507                 );
1508             }
1509         }
1510         return preparedOperations;
1511
1512         /*
1513         if (operations.size() > 0) {
1514             try {
1515                 if (getContentResolver() != null) {
1516                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1517
1518                 } else {
1519                     getContentProviderClient().applyBatch(operations);
1520                 }
1521
1522             } catch (OperationApplicationException e) {
1523                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1524
1525             } catch (RemoteException e) {
1526                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1527             }
1528         }
1529         */
1530
1531             /*
1532             if (getContentResolver() != null) {
1533
1534                 getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE,
1535                                             where,
1536                                             whereArgs);
1537             } else {
1538                 try {
1539                     getContentProviderClient().delete(  ProviderTableMeta.CONTENT_URI_SHARE,
1540                                                         where,
1541                                                         whereArgs);
1542
1543                 } catch (RemoteException e) {
1544                     Log_OC.e(TAG, "Exception deleting shares in a folder " + e.getMessage());
1545                 }
1546             }
1547             */
1548         //}
1549     }
1550
1551 }