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.List;
  27 import java.util.Vector;
  28
  29 import com.owncloud.android.MainApp;
  30 import com.owncloud.android.db.ProviderMeta.ProviderTableMeta;
  31 import com.owncloud.android.lib.common.utils.Log_OC;
  32 import com.owncloud.android.lib.resources.shares.OCShare;
  33 import com.owncloud.android.lib.resources.shares.ShareType;
  34 import com.owncloud.android.lib.resources.files.FileUtils;
  35 import com.owncloud.android.utils.FileStorageUtils;
  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.Intent;
  45 import android.content.OperationApplicationException;
  46 import android.database.Cursor;
  47 import android.net.Uri;
  48 import android.os.RemoteException;
  49
  50 public class FileDataStorageManager {
  51
  52     public static final int ROOT_PARENT_ID = 0;
  53
  54     private ContentResolver mContentResolver;
  55     private ContentProviderClient mContentProviderClient;
  56     private Account mAccount;
  57
  58     private static String TAG = FileDataStorageManager.class.getSimpleName();
  59
  60
  61     public FileDataStorageManager(Account account, ContentResolver cr) {
  62         mContentProviderClient = null;
  63         mContentResolver = cr;
  64         mAccount = account;
  65     }
  66
  67     public FileDataStorageManager(Account account, ContentProviderClient cp) {
  68         mContentProviderClient = cp;
  69         mContentResolver = null;
  70         mAccount = account;
  71     }
  72
  73
  74     public void setAccount(Account account) {
  75         mAccount = account;
  76     }
  77
  78     public Account getAccount() {
  79         return mAccount;
  80     }
  81
  82     public void setContentResolver(ContentResolver cr) {
  83         mContentResolver = cr;
  84     }
  85
  86     public ContentResolver getContentResolver() {
  87         return mContentResolver;
  88     }
  89
  90     public void setContentProviderClient(ContentProviderClient cp) {
  91         mContentProviderClient = cp;
  92     }
  93
  94     public ContentProviderClient getContentProviderClient() {
  95         return mContentProviderClient;
  96     }
  97
  98
  99     public OCFile getFileByPath(String path) {
 100         Cursor c = getCursorForValue(ProviderTableMeta.FILE_PATH, path);
 101         OCFile file = null;
 102         if (c.moveToFirst()) {
 103             file = createFileInstance(c);
 104         }
 105         c.close();
 106         if (file == null && OCFile.ROOT_PATH.equals(path)) {
 107             return createRootDir(); // root should always exist
 108         }
 109         return file;
 110     }
 111
 112
 113     public OCFile getFileById(long id) {
 114         Cursor c = getCursorForValue(ProviderTableMeta._ID, String.valueOf(id));
 115         OCFile file = null;
 116         if (c.moveToFirst()) {
 117             file = createFileInstance(c);
 118         }
 119         c.close();
 120         return file;
 121     }
 122
 123     public OCFile getFileByLocalPath(String path) {
 124         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 125         OCFile file = null;
 126         if (c.moveToFirst()) {
 127             file = createFileInstance(c);
 128         }
 129         c.close();
 130         return file;
 131     }
 132
 133     public boolean fileExists(long id) {
 134         return fileExists(ProviderTableMeta._ID, String.valueOf(id));
 135     }
 136
 137     public boolean fileExists(String path) {
 138         return fileExists(ProviderTableMeta.FILE_PATH, path);
 139     }
 140
 141
 142     public Vector<OCFile> getFolderContent(OCFile f) {
 143         if (f != null && f.isFolder() && f.getFileId() != -1) {
 144             return getFolderContent(f.getFileId());
 145
 146         } else {
 147             return new Vector<OCFile>();
 148         }
 149     }
 150
 151
 152     public Vector<OCFile> getFolderImages(OCFile folder) {
 153         Vector<OCFile> ret = new Vector<OCFile>();
 154         if (folder != null) {
 155             // TODO better implementation, filtering in the access to database instead of here
 156             Vector<OCFile> tmp = getFolderContent(folder);
 157             OCFile current = null;
 158             for (int i=0; i<tmp.size(); i++) {
 159                 current = tmp.get(i);
 160                 if (current.isImage()) {
 161                     ret.add(current);
 162                 }
 163             }
 164         }
 165         return ret;
 166     }
 167
 168
 169     public boolean saveFile(OCFile file) {
 170         boolean overriden = false;
 171         ContentValues cv = new ContentValues();
 172         cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 173         cv.put(
 174             ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 175             file.getModificationTimestampAtLastSyncForData()
 176         );
 177         cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 178         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 179         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 180         cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 181         //if (file.getParentId() != DataStorageManager.ROOT_PARENT_ID)
 182             cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 183         cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 184         if (!file.isFolder())
 185             cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 186         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 187         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 188         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 189         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
 190         cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 191         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
 192         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 193         cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 194         cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 195         cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
 196         cv.put(ProviderTableMeta.FILE_IS_DOWNLOADING, file.isDownloading());
 197         cv.put(ProviderTableMeta.FILE_IS_UPLOADING, file.isUploading());
 198
 199         boolean sameRemotePath = fileExists(file.getRemotePath());
 200         if (sameRemotePath ||
 201                 fileExists(file.getFileId())        ) {  // for renamed files
 202
 203             OCFile oldFile = null;
 204             if (sameRemotePath) {
 205                 oldFile = getFileByPath(file.getRemotePath());
 206                 file.setFileId(oldFile.getFileId());
 207             } else {
 208                 oldFile = getFileById(file.getFileId());
 209             }
 210
 211             overriden = true;
 212             if (getContentResolver() != null) {
 213                 getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv,
 214                         ProviderTableMeta._ID + "=?",
 215                         new String[] { String.valueOf(file.getFileId()) });
 216             } else {
 217                 try {
 218                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI,
 219                             cv, ProviderTableMeta._ID + "=?",
 220                             new String[] { String.valueOf(file.getFileId()) });
 221                 } catch (RemoteException e) {
 222                     Log_OC.e(TAG,
 223                             "Fail to insert insert file to database "
 224                                     + e.getMessage());
 225                 }
 226             }
 227         } else {
 228             Uri result_uri = null;
 229             if (getContentResolver() != null) {
 230                 result_uri = getContentResolver().insert(
 231                         ProviderTableMeta.CONTENT_URI_FILE, cv);
 232             } else {
 233                 try {
 234                     result_uri = getContentProviderClient().insert(
 235                             ProviderTableMeta.CONTENT_URI_FILE, cv);
 236                 } catch (RemoteException e) {
 237                     Log_OC.e(TAG,
 238                             "Fail to insert insert file to database "
 239                                     + e.getMessage());
 240                 }
 241             }
 242             if (result_uri != null) {
 243                 long new_id = Long.parseLong(result_uri.getPathSegments()
 244                         .get(1));
 245                 file.setFileId(new_id);
 246             }
 247         }
 248
 249 //        if (file.isFolder()) {
 250 //            updateFolderSize(file.getFileId());
 251 //        } else {
 252 //            updateFolderSize(file.getParentId());
 253 //        }
 254
 255         return overriden;
 256     }
 257
 258
 259     /**
 260      * Inserts or updates the list of files contained in a given folder.
 261      *
 262      * CALLER IS THE RESPONSIBLE FOR GRANTING RIGHT UPDATE OF INFORMATION, NOT THIS METHOD.
 263      * HERE ONLY DATA CONSISTENCY SHOULD BE GRANTED
 264      *
 265      * @param folder
 266      * @param files
 267      * @param removeNotUpdated
 268      */
 269     public void saveFolder(
 270             OCFile folder, Collection<OCFile> updatedFiles, Collection<OCFile> filesToRemove
 271         ) {
 272
 273         Log_OC.d(TAG,  "Saving folder " + folder.getRemotePath() + " with " + updatedFiles.size()
 274                 + " children and " + filesToRemove.size() + " files to remove");
 275
 276         ArrayList<ContentProviderOperation> operations =
 277                 new ArrayList<ContentProviderOperation>(updatedFiles.size());
 278
 279         // prepare operations to insert or update files to save in the given folder
 280         for (OCFile file : updatedFiles) {
 281             ContentValues cv = new ContentValues();
 282             cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 283             cv.put(
 284                 ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 285                 file.getModificationTimestampAtLastSyncForData()
 286             );
 287             cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 288             cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 289             cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 290             cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 291             //cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 292             cv.put(ProviderTableMeta.FILE_PARENT, folder.getFileId());
 293             cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 294             if (!file.isFolder()) {
 295                 cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 296             }
 297             cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 298             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 299             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 300             cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
 301             cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 302             cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
 303             cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 304             cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 305             cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 306             cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
 307             cv.put(ProviderTableMeta.FILE_IS_DOWNLOADING, file.isDownloading());
 308             cv.put(ProviderTableMeta.FILE_IS_UPLOADING, file.isUploading());
 309
 310             boolean existsByPath = fileExists(file.getRemotePath());
 311             if (existsByPath || fileExists(file.getFileId())) {
 312                 // updating an existing file
 313                 operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 314                         withValues(cv).
 315                         withSelection(  ProviderTableMeta._ID + "=?",
 316                                 new String[] { String.valueOf(file.getFileId()) })
 317                                 .build());
 318
 319             } else {
 320                 // adding a new file
 321                 operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
 322                         withValues(cv).build());
 323             }
 324         }
 325
 326         // prepare operations to remove files in the given folder
 327         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 328                 ProviderTableMeta.FILE_PATH + "=?";
 329         String [] whereArgs = null;
 330         for (OCFile file : filesToRemove) {
 331             if (file.getParentId() == folder.getFileId()) {
 332                 whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 333                 //Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE, "" + file.getFileId());
 334                 if (file.isFolder()) {
 335                     operations.add(ContentProviderOperation.newDelete(
 336                             ContentUris.withAppendedId(
 337                                     ProviderTableMeta.CONTENT_URI_DIR, file.getFileId()
 338                             )
 339                     ).withSelection(where, whereArgs).build());
 340
 341                     File localFolder =
 342                             new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 343                     if (localFolder.exists()) {
 344                         removeLocalFolder(localFolder);
 345                     }
 346                 } else {
 347                     operations.add(ContentProviderOperation.newDelete(
 348                             ContentUris.withAppendedId(
 349                                     ProviderTableMeta.CONTENT_URI_FILE, file.getFileId()
 350                             )
 351                     ).withSelection(where, whereArgs).build());
 352
 353                     if (file.isDown()) {
 354                         String path = file.getStoragePath();
 355                         new File(path).delete();
 356                         triggerMediaScan(path); // notify MediaScanner about removed file
 357                     }
 358                 }
 359             }
 360         }
 361
 362         // update metadata of folder
 363         ContentValues cv = new ContentValues();
 364         cv.put(ProviderTableMeta.FILE_MODIFIED, folder.getModificationTimestamp());
 365         cv.put(
 366             ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 367             folder.getModificationTimestampAtLastSyncForData()
 368         );
 369         cv.put(ProviderTableMeta.FILE_CREATION, folder.getCreationTimestamp());
 370         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, 0);
 371         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, folder.getMimetype());
 372         cv.put(ProviderTableMeta.FILE_NAME, folder.getFileName());
 373         cv.put(ProviderTableMeta.FILE_PARENT, folder.getParentId());
 374         cv.put(ProviderTableMeta.FILE_PATH, folder.getRemotePath());
 375         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 376         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, folder.getLastSyncDateForProperties());
 377         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, folder.getLastSyncDateForData());
 378         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, folder.keepInSync() ? 1 : 0);
 379         cv.put(ProviderTableMeta.FILE_ETAG, folder.getEtag());
 380         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, folder.isShareByLink() ? 1 : 0);
 381         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, folder.getPublicLink());
 382         cv.put(ProviderTableMeta.FILE_PERMISSIONS, folder.getPermissions());
 383         cv.put(ProviderTableMeta.FILE_REMOTE_ID, folder.getRemoteId());
 384
 385         operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 386                 withValues(cv).
 387                 withSelection(  ProviderTableMeta._ID + "=?",
 388                         new String[] { String.valueOf(folder.getFileId()) })
 389                         .build());
 390
 391         // apply operations in batch
 392         ContentProviderResult[] results = null;
 393         Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
 394         try {
 395             if (getContentResolver() != null) {
 396                 results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 397
 398             } else {
 399                 results = getContentProviderClient().applyBatch(operations);
 400             }
 401
 402         } catch (OperationApplicationException e) {
 403             Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
 404
 405         } catch (RemoteException e) {
 406             Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
 407         }
 408
 409         // update new id in file objects for insertions
 410         if (results != null) {
 411             long newId;
 412             Iterator<OCFile> filesIt = updatedFiles.iterator();
 413             OCFile file = null;
 414             for (int i=0; i<results.length; i++) {
 415                 if (filesIt.hasNext()) {
 416                     file = filesIt.next();
 417                 } else {
 418                     file = null;
 419                 }
 420                 if (results[i].uri != null) {
 421                     newId = Long.parseLong(results[i].uri.getPathSegments().get(1));
 422                     //updatedFiles.get(i).setFileId(newId);
 423                     if (file != null) {
 424                         file.setFileId(newId);
 425                     }
 426                 }
 427             }
 428         }
 429
 430         //updateFolderSize(folder.getFileId());
 431
 432     }
 433
 434
 435 //    /**
 436 //     *
 437 //     * @param id
 438 //     */
 439 //    private void updateFolderSize(long id) {
 440 //        if (id > FileDataStorageManager.ROOT_PARENT_ID) {
 441 //            Log_OC.d(TAG, "Updating size of " + id);
 442 //            if (getContentResolver() != null) {
 443 //                getContentResolver().update(ProviderTableMeta.CONTENT_URI_DIR,
 444 //                        new ContentValues(),
 445                             // won't be used, but cannot be null; crashes in KLP
 446 //                        ProviderTableMeta._ID + "=?",
 447 //                        new String[] { String.valueOf(id) });
 448 //            } else {
 449 //                try {
 450 //                    getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_DIR,
 451 //                            new ContentValues(),
 452                                 // won't be used, but cannot be null; crashes in KLP
 453 //                            ProviderTableMeta._ID + "=?",
 454 //                            new String[] { String.valueOf(id) });
 455 //
 456 //                } catch (RemoteException e) {
 457 //                    Log_OC.e(
 458 //    TAG, "Exception in update of folder size through compatibility patch " + e.getMessage());
 459 //                }
 460 //            }
 461 //        } else {
 462 //            Log_OC.e(TAG,  "not updating size for folder " + id);
 463 //        }
 464 //    }
 465
 466
 467     public boolean removeFile(OCFile file, boolean removeDBData, boolean removeLocalCopy) {
 468         boolean success = true;
 469         if (file != null) {
 470             if (file.isFolder()) {
 471                 success = removeFolder(file, removeDBData, removeLocalCopy);
 472
 473             } else {
 474                 if (removeDBData) {
 475                     Uri file_uri = ContentUris.withAppendedId(
 476                         ProviderTableMeta.CONTENT_URI_FILE,
 477                         file.getFileId()
 478                     );
 479                     String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 480                             ProviderTableMeta.FILE_PATH + "=?";
 481                     String [] whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 482                     int deleted = 0;
 483                     if (getContentProviderClient() != null) {
 484                         try {
 485                             deleted = getContentProviderClient().delete(file_uri, where, whereArgs);
 486                         } catch (RemoteException e) {
 487                             e.printStackTrace();
 488                         }
 489                     } else {
 490                         deleted = getContentResolver().delete(file_uri, where, whereArgs);
 491                     }
 492                     success &= (deleted > 0);
 493                 }
 494                 String localPath = file.getStoragePath();
 495                 if (removeLocalCopy && file.isDown() && localPath != null && success) {
 496                     success = new File(localPath).delete();
 497                     if (success) {
 498                         triggerMediaScan(localPath);
 499                     }
 500                     if (!removeDBData && success) {
 501                         // maybe unnecessary, but should be checked TODO remove if unnecessary
 502                         file.setStoragePath(null);
 503                         saveFile(file);
 504                     }
 505                 }
 506             }
 507         }
 508         return success;
 509     }
 510
 511
 512     public boolean removeFolder(OCFile folder, boolean removeDBData, boolean removeLocalContent) {
 513         boolean success = true;
 514         if (folder != null && folder.isFolder()) {
 515             if (removeDBData &&  folder.getFileId() != -1) {
 516                 success = removeFolderInDb(folder);
 517             }
 518             if (removeLocalContent && success) {
 519                 success = removeLocalFolder(folder);
 520             }
 521         }
 522         return success;
 523     }
 524
 525     private boolean removeFolderInDb(OCFile folder) {
 526         Uri folder_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, "" +
 527                 folder.getFileId());   // URI for recursive deletion
 528         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 529                 ProviderTableMeta.FILE_PATH + "=?";
 530         String [] whereArgs = new String[]{mAccount.name, folder.getRemotePath()};
 531         int deleted = 0;
 532         if (getContentProviderClient() != null) {
 533             try {
 534                 deleted = getContentProviderClient().delete(folder_uri, where, whereArgs);
 535             } catch (RemoteException e) {
 536                 e.printStackTrace();
 537             }
 538         } else {
 539             deleted = getContentResolver().delete(folder_uri, where, whereArgs);
 540         }
 541         return deleted > 0;
 542     }
 543
 544     private boolean removeLocalFolder(OCFile folder) {
 545         boolean success = true;
 546         File localFolder = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, folder));
 547         if (localFolder.exists()) {
 548             // stage 1: remove the local files already registered in the files database
 549             Vector<OCFile> files = getFolderContent(folder.getFileId());
 550             if (files != null) {
 551                 for (OCFile file : files) {
 552                     if (file.isFolder()) {
 553                         success &= removeLocalFolder(file);
 554                     } else {
 555                         if (file.isDown()) {
 556                             String path = file.getStoragePath();
 557                             File localFile = new File(file.getStoragePath());
 558                             success &= localFile.delete();
 559                             if (success) {
 560                                 file.setStoragePath(null);
 561                                 saveFile(file);
 562                                 triggerMediaScan(path); // notify MediaScanner about removed file
 563                             }
 564                         }
 565                     }
 566                 }
 567             }
 568
 569             // stage 2: remove the folder itself and any local file inside out of sync;
 570             //          for instance, after clearing the app cache or reinstalling
 571             success &= removeLocalFolder(localFolder);
 572         }
 573         return success;
 574     }
 575
 576     private boolean removeLocalFolder(File localFolder) {
 577         boolean success = true;
 578         File[] localFiles = localFolder.listFiles();
 579         if (localFiles != null) {
 580             for (File localFile : localFiles) {
 581                 if (localFile.isDirectory()) {
 582                     success &= removeLocalFolder(localFile);
 583                 } else {
 584                     String path = localFile.getAbsolutePath();
 585                     success &= localFile.delete();
 586                     triggerMediaScan(path); // notify MediaScanner about removed file
 587                 }
 588             }
 589         }
 590         success &= localFolder.delete();
 591         return success;
 592     }
 593
 594
 595     /**
 596      * Updates database and file system for a file or folder that was moved to a different location.
 597      *
 598      * TODO explore better (faster) implementations
 599      * TODO throw exceptions up !
 600      */
 601     public void moveLocalFile(OCFile file, String targetPath, String targetParentPath) {
 602
 603         if (file != null && file.fileExists() && !OCFile.ROOT_PATH.equals(file.getFileName())) {
 604
 605             OCFile targetParent = getFileByPath(targetParentPath);
 606             if (targetParent == null) {
 607                 throw new IllegalStateException("Parent folder of the target path does not exist!!");
 608             }
 609
 610             /// 1. get all the descendants of the moved element in a single QUERY
 611             Cursor c = null;
 612             if (getContentProviderClient() != null) {
 613                 try {
 614                     c = getContentProviderClient().query(
 615                         ProviderTableMeta.CONTENT_URI,
 616                         null,
 617                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 618                                 ProviderTableMeta.FILE_PATH + " LIKE ? ",
 619                         new String[] {
 620                                 mAccount.name,
 621                                 file.getRemotePath() + "%"
 622                         },
 623                         ProviderTableMeta.FILE_PATH + " ASC "
 624                     );
 625                 } catch (RemoteException e) {
 626                     Log_OC.e(TAG, e.getMessage());
 627                 }
 628
 629             } else {
 630                 c = getContentResolver().query(
 631                     ProviderTableMeta.CONTENT_URI,
 632                     null,
 633                     ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 634                             ProviderTableMeta.FILE_PATH + " LIKE ? ",
 635                     new String[] {
 636                             mAccount.name,
 637                             file.getRemotePath() + "%"
 638                     },
 639                     ProviderTableMeta.FILE_PATH + " ASC "
 640                 );
 641             }
 642
 643             /// 2. prepare a batch of update operations to change all the descendants
 644             ArrayList<ContentProviderOperation> operations =
 645                     new ArrayList<ContentProviderOperation>(c.getCount());
 646             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 647             List<String> originalPathsToTriggerMediaScan = new ArrayList<String>();
 648             List<String> newPathsToTriggerMediaScan = new ArrayList<String>();
 649             if (c.moveToFirst()) {
 650                 int lengthOfOldPath = file.getRemotePath().length();
 651                 int lengthOfOldStoragePath = defaultSavePath.length() + lengthOfOldPath;
 652                 do {
 653                     ContentValues cv = new ContentValues(); // keep construction in the loop
 654                     OCFile child = createFileInstance(c);
 655                     cv.put(
 656                         ProviderTableMeta.FILE_PATH,
 657                         targetPath + child.getRemotePath().substring(lengthOfOldPath)
 658                     );
 659                     if (child.getStoragePath() != null &&
 660                             child.getStoragePath().startsWith(defaultSavePath)) {
 661                         // update link to downloaded content - but local move is not done here!
 662                         String targetLocalPath = defaultSavePath + targetPath +
 663                                 child.getStoragePath().substring(lengthOfOldStoragePath);
 664
 665                         cv.put(ProviderTableMeta.FILE_STORAGE_PATH, targetLocalPath);
 666
 667                         originalPathsToTriggerMediaScan.add(child.getStoragePath());
 668                         newPathsToTriggerMediaScan.add(targetLocalPath);
 669
 670                     }
 671                     if (child.getRemotePath().equals(file.getRemotePath())) {
 672                         cv.put(
 673                                 ProviderTableMeta.FILE_PARENT,
 674                                 targetParent.getFileId()
 675                             );
 676                     }
 677                     operations.add(
 678                         ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 679                             withValues(cv).
 680                             withSelection(
 681                                     ProviderTableMeta._ID + "=?",
 682                                     new String[] { String.valueOf(child.getFileId()) }
 683                                     )
 684                             .build());
 685
 686                 } while (c.moveToNext());
 687             }
 688             c.close();
 689
 690             /// 3. apply updates in batch
 691             try {
 692                 if (getContentResolver() != null) {
 693                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 694
 695                 } else {
 696                     getContentProviderClient().applyBatch(operations);
 697                 }
 698
 699             } catch (Exception e) {
 700                 Log_OC.e(TAG, "Fail to update " + file.getFileId() + " and descendants in database", e);
 701             }
 702
 703             /// 4. move in local file system
 704             String originalLocalPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, file);
 705             String targetLocalPath = defaultSavePath + targetPath;
 706             File localFile = new File(originalLocalPath);
 707             boolean renamed = false;
 708             if (localFile.exists()) {
 709                 File targetFile = new File(targetLocalPath);
 710                 File targetFolder = targetFile.getParentFile();
 711                 if (!targetFolder.exists()) {
 712                     targetFolder.mkdirs();
 713                 }
 714                 renamed = localFile.renameTo(targetFile);
 715             }
 716
 717             if (renamed) {
 718                 Iterator<String> it = originalPathsToTriggerMediaScan.iterator();
 719                 while (it.hasNext()) {
 720                     // Notify MediaScanner about removed file
 721                     triggerMediaScan(it.next());
 722                 }
 723                 it = newPathsToTriggerMediaScan.iterator();
 724                 while (it.hasNext()) {
 725                     // Notify MediaScanner about new file/folder
 726                     triggerMediaScan(it.next());
 727                 }
 728             }
 729         }
 730
 731     }
 732
 733
 734     private Vector<OCFile> getFolderContent(long parentId) {
 735
 736         Vector<OCFile> ret = new Vector<OCFile>();
 737
 738         Uri req_uri = Uri.withAppendedPath(
 739                 ProviderTableMeta.CONTENT_URI_DIR,
 740                 String.valueOf(parentId));
 741         Cursor c = null;
 742
 743         if (getContentProviderClient() != null) {
 744             try {
 745                 c = getContentProviderClient().query(req_uri, null,
 746                         ProviderTableMeta.FILE_PARENT + "=?" ,
 747                         new String[] { String.valueOf(parentId)}, null);
 748             } catch (RemoteException e) {
 749                 Log_OC.e(TAG, e.getMessage());
 750                 return ret;
 751             }
 752         } else {
 753             c = getContentResolver().query(req_uri, null,
 754                     ProviderTableMeta.FILE_PARENT + "=?" ,
 755                     new String[] { String.valueOf(parentId)}, null);
 756         }
 757
 758         if (c.moveToFirst()) {
 759             do {
 760                 OCFile child = createFileInstance(c);
 761                 ret.add(child);
 762             } while (c.moveToNext());
 763         }
 764
 765         c.close();
 766
 767         Collections.sort(ret);
 768
 769         return ret;
 770     }
 771
 772
 773     private OCFile createRootDir() {
 774         OCFile file = new OCFile(OCFile.ROOT_PATH);
 775         file.setMimetype("DIR");
 776         file.setParentId(FileDataStorageManager.ROOT_PARENT_ID);
 777         saveFile(file);
 778         return file;
 779     }
 780
 781     private boolean fileExists(String cmp_key, String value) {
 782         Cursor c;
 783         if (getContentResolver() != null) {
 784             c = getContentResolver()
 785                     .query(ProviderTableMeta.CONTENT_URI,
 786                             null,
 787                             cmp_key + "=? AND "
 788                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 789                                     + "=?",
 790                                     new String[] { value, mAccount.name }, null);
 791         } else {
 792             try {
 793                 c = getContentProviderClient().query(
 794                         ProviderTableMeta.CONTENT_URI,
 795                         null,
 796                         cmp_key + "=? AND "
 797                                 + ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
 798                                 new String[] { value, mAccount.name }, null);
 799             } catch (RemoteException e) {
 800                 Log_OC.e(TAG,
 801                         "Couldn't determine file existance, assuming non existance: "
 802                                 + e.getMessage());
 803                 return false;
 804             }
 805         }
 806         boolean retval = c.moveToFirst();
 807         c.close();
 808         return retval;
 809     }
 810
 811     private Cursor getCursorForValue(String key, String value) {
 812         Cursor c = null;
 813         if (getContentResolver() != null) {
 814             c = getContentResolver()
 815                     .query(ProviderTableMeta.CONTENT_URI,
 816                             null,
 817                             key + "=? AND "
 818                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 819                                     + "=?",
 820                                     new String[] { value, mAccount.name }, null);
 821         } else {
 822             try {
 823                 c = getContentProviderClient().query(
 824                         ProviderTableMeta.CONTENT_URI,
 825                         null,
 826                         key + "=? AND " + ProviderTableMeta.FILE_ACCOUNT_OWNER
 827                         + "=?", new String[] { value, mAccount.name },
 828                         null);
 829             } catch (RemoteException e) {
 830                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 831                 c = null;
 832             }
 833         }
 834         return c;
 835     }
 836
 837
 838     private OCFile createFileInstance(Cursor c) {
 839         OCFile file = null;
 840         if (c != null) {
 841             file = new OCFile(c.getString(c
 842                     .getColumnIndex(ProviderTableMeta.FILE_PATH)));
 843             file.setFileId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
 844             file.setParentId(c.getLong(c
 845                     .getColumnIndex(ProviderTableMeta.FILE_PARENT)));
 846             file.setMimetype(c.getString(c
 847                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE)));
 848             if (!file.isFolder()) {
 849                 file.setStoragePath(c.getString(c
 850                         .getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH)));
 851                 if (file.getStoragePath() == null) {
 852                     // try to find existing file and bind it with current account;
 853                     // with the current update of SynchronizeFolderOperation, this won't be
 854                     // necessary anymore after a full synchronization of the account
 855                     File f = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 856                     if (f.exists()) {
 857                         file.setStoragePath(f.getAbsolutePath());
 858                         file.setLastSyncDateForData(f.lastModified());
 859                     }
 860                 }
 861             }
 862             file.setFileLength(c.getLong(c
 863                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH)));
 864             file.setCreationTimestamp(c.getLong(c
 865                     .getColumnIndex(ProviderTableMeta.FILE_CREATION)));
 866             file.setModificationTimestamp(c.getLong(c
 867                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED)));
 868             file.setModificationTimestampAtLastSyncForData(c.getLong(c
 869                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA)));
 870             file.setLastSyncDateForProperties(c.getLong(c
 871                     .getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE)));
 872             file.setLastSyncDateForData(c.getLong(c.
 873                     getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA)));
 874             file.setKeepInSync(c.getInt(
 875                     c.getColumnIndex(ProviderTableMeta.FILE_KEEP_IN_SYNC)) == 1 ? true : false);
 876             file.setEtag(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG)));
 877             file.setShareByLink(c.getInt(
 878                     c.getColumnIndex(ProviderTableMeta.FILE_SHARE_BY_LINK)) == 1 ? true : false);
 879             file.setPublicLink(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PUBLIC_LINK)));
 880             file.setPermissions(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PERMISSIONS)));
 881             file.setRemoteId(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_REMOTE_ID)));
 882             file.setNeedsUpdateThumbnail(c.getInt(
 883                     c.getColumnIndex(ProviderTableMeta.FILE_UPDATE_THUMBNAIL)) == 1 ? true : false);
 884             file.setDownloading(c.getInt(
 885                     c.getColumnIndex(ProviderTableMeta.FILE_IS_DOWNLOADING)) == 1 ? true : false);
 886             file.setUploading(c.getInt(
 887                     c.getColumnIndex(ProviderTableMeta.FILE_IS_UPLOADING)) == 1 ? true : false);
 888
 889         }
 890         return file;
 891     }
 892
 893     /**
 894      * Returns if the file/folder is shared by link or not
 895      * @param path  Path of the file/folder
 896      * @return
 897      */
 898     public boolean isShareByLink(String path) {
 899         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 900         OCFile file = null;
 901         if (c.moveToFirst()) {
 902             file = createFileInstance(c);
 903         }
 904         c.close();
 905         return file.isShareByLink();
 906     }
 907
 908     /**
 909      * Returns the public link of the file/folder
 910      * @param path  Path of the file/folder
 911      * @return
 912      */
 913     public String getPublicLink(String path) {
 914         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 915         OCFile file = null;
 916         if (c.moveToFirst()) {
 917             file = createFileInstance(c);
 918         }
 919         c.close();
 920         return file.getPublicLink();
 921     }
 922
 923
 924     // Methods for Shares
 925     public boolean saveShare(OCShare share) {
 926         boolean overriden = false;
 927         ContentValues cv = new ContentValues();
 928         cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
 929         cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
 930         cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
 931         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
 932         cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
 933         cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
 934         cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
 935         cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
 936         cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
 937         cv.put(
 938             ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
 939             share.getSharedWithDisplayName()
 940         );
 941         cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
 942         cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
 943         cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
 944         cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
 945
 946         if (shareExists(share.getIdRemoteShared())) {   // for renamed files
 947
 948             overriden = true;
 949             if (getContentResolver() != null) {
 950                 getContentResolver().update(ProviderTableMeta.CONTENT_URI_SHARE, cv,
 951                         ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 952                         new String[] { String.valueOf(share.getIdRemoteShared()) });
 953             } else {
 954                 try {
 955                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_SHARE,
 956                             cv, ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 957                             new String[] { String.valueOf(share.getIdRemoteShared()) });
 958                 } catch (RemoteException e) {
 959                     Log_OC.e(TAG,
 960                             "Fail to insert insert file to database "
 961                                     + e.getMessage());
 962                 }
 963             }
 964         } else {
 965             Uri result_uri = null;
 966             if (getContentResolver() != null) {
 967                 result_uri = getContentResolver().insert(
 968                         ProviderTableMeta.CONTENT_URI_SHARE, cv);
 969             } else {
 970                 try {
 971                     result_uri = getContentProviderClient().insert(
 972                             ProviderTableMeta.CONTENT_URI_SHARE, cv);
 973                 } catch (RemoteException e) {
 974                     Log_OC.e(TAG,
 975                             "Fail to insert insert file to database "
 976                                     + e.getMessage());
 977                 }
 978             }
 979             if (result_uri != null) {
 980                 long new_id = Long.parseLong(result_uri.getPathSegments()
 981                         .get(1));
 982                 share.setId(new_id);
 983             }
 984         }
 985
 986         return overriden;
 987     }
 988
 989
 990     public OCShare getFirstShareByPathAndType(String path, ShareType type) {
 991         Cursor c = null;
 992         if (getContentResolver() != null) {
 993             c = getContentResolver().query(
 994                     ProviderTableMeta.CONTENT_URI_SHARE,
 995                     null,
 996                     ProviderTableMeta.OCSHARES_PATH + "=? AND "
 997                             + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
 998                             + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
 999                     new String[] { path, Integer.toString(type.getValue()), mAccount.name },
1000                     null);
1001         } else {
1002             try {
1003                 c = getContentProviderClient().query(
1004                         ProviderTableMeta.CONTENT_URI_SHARE,
1005                         null,
1006                         ProviderTableMeta.OCSHARES_PATH + "=? AND "
1007                                 + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
1008                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1009                         new String[] { path, Integer.toString(type.getValue()), mAccount.name },
1010                         null);
1011
1012             } catch (RemoteException e) {
1013                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
1014                 c = null;
1015             }
1016         }
1017         OCShare share = null;
1018         if (c.moveToFirst()) {
1019             share = createShareInstance(c);
1020         }
1021         c.close();
1022         return share;
1023     }
1024
1025     private OCShare createShareInstance(Cursor c) {
1026         OCShare share = null;
1027         if (c != null) {
1028             share = new OCShare(c.getString(c
1029                     .getColumnIndex(ProviderTableMeta.OCSHARES_PATH)));
1030             share.setId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
1031             share.setFileSource(c.getLong(c
1032                     .getColumnIndex(ProviderTableMeta.OCSHARES_ITEM_SOURCE)));
1033             share.setShareType(ShareType.fromValue(c.getInt(c
1034                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_TYPE))));
1035             share.setPermissions(c.getInt(c
1036                     .getColumnIndex(ProviderTableMeta.OCSHARES_PERMISSIONS)));
1037             share.setSharedDate(c.getLong(c
1038                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARED_DATE)));
1039             share.setExpirationDate(c.getLong(c
1040                     .getColumnIndex(ProviderTableMeta.OCSHARES_EXPIRATION_DATE)));
1041             share.setToken(c.getString(c
1042                     .getColumnIndex(ProviderTableMeta.OCSHARES_TOKEN)));
1043             share.setSharedWithDisplayName(c.getString(c
1044                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME)));
1045             share.setIsFolder(c.getInt(
1046                     c.getColumnIndex(ProviderTableMeta.OCSHARES_IS_DIRECTORY)) == 1 ? true : false);
1047             share.setUserId(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_USER_ID)));
1048             share.setIdRemoteShared(
1049                 c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED))
1050             );
1051
1052         }
1053         return share;
1054     }
1055
1056     private boolean shareExists(String cmp_key, String value) {
1057         Cursor c;
1058         if (getContentResolver() != null) {
1059             c = getContentResolver()
1060                     .query(ProviderTableMeta.CONTENT_URI_SHARE,
1061                             null,
1062                             cmp_key + "=? AND "
1063                                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
1064                                     + "=?",
1065                                     new String[] { value, mAccount.name }, null);
1066         } else {
1067             try {
1068                 c = getContentProviderClient().query(
1069                         ProviderTableMeta.CONTENT_URI_SHARE,
1070                         null,
1071                         cmp_key + "=? AND "
1072                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1073                                 new String[] { value, mAccount.name }, null);
1074             } catch (RemoteException e) {
1075                 Log_OC.e(TAG,
1076                         "Couldn't determine file existance, assuming non existance: "
1077                                 + e.getMessage());
1078                 return false;
1079             }
1080         }
1081         boolean retval = c.moveToFirst();
1082         c.close();
1083         return retval;
1084     }
1085
1086     private boolean shareExists(long remoteId) {
1087         return shareExists(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, String.valueOf(remoteId));
1088     }
1089
1090     private void cleanSharedFiles() {
1091         ContentValues cv = new ContentValues();
1092         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
1093         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1094         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?";
1095         String [] whereArgs = new String[]{mAccount.name};
1096
1097         if (getContentResolver() != null) {
1098             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1099
1100         } else {
1101             try {
1102                 getContentProviderClient().update(
1103                         ProviderTableMeta.CONTENT_URI, cv, where, whereArgs
1104                 );
1105
1106             } catch (RemoteException e) {
1107                 Log_OC.e(TAG, "Exception in cleanSharedFiles" + e.getMessage());
1108             }
1109         }
1110     }
1111
1112     private void cleanSharedFilesInFolder(OCFile folder) {
1113         ContentValues cv = new ContentValues();
1114         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
1115         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1116         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1117                 ProviderTableMeta.FILE_PARENT + "=?";
1118         String [] whereArgs = new String[] { mAccount.name , String.valueOf(folder.getFileId()) };
1119
1120         if (getContentResolver() != null) {
1121             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1122
1123         } else {
1124             try {
1125                 getContentProviderClient().update(
1126                         ProviderTableMeta.CONTENT_URI, cv, where, whereArgs
1127                 );
1128
1129             } catch (RemoteException e) {
1130                 Log_OC.e(TAG, "Exception in cleanSharedFilesInFolder " + e.getMessage());
1131             }
1132         }
1133     }
1134
1135     private void cleanShares() {
1136         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1137         String [] whereArgs = new String[]{mAccount.name};
1138
1139         if (getContentResolver() != null) {
1140             getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1141
1142         } else {
1143             try {
1144                 getContentProviderClient().delete(
1145                         ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs
1146                 );
1147
1148             } catch (RemoteException e) {
1149                 Log_OC.e(TAG, "Exception in cleanShares" + e.getMessage());
1150             }
1151         }
1152     }
1153
1154     public void saveShares(Collection<OCShare> shares) {
1155         cleanShares();
1156         if (shares != null) {
1157             ArrayList<ContentProviderOperation> operations =
1158                     new ArrayList<ContentProviderOperation>(shares.size());
1159
1160             // prepare operations to insert or update files to save in the given folder
1161             for (OCShare share : shares) {
1162                 ContentValues cv = new ContentValues();
1163                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1164                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1165                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1166                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1167                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1168                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1169                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1170                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1171                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1172                 cv.put(
1173                     ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1174                     share.getSharedWithDisplayName()
1175                 );
1176                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1177                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1178                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1179                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1180
1181                 if (shareExists(share.getIdRemoteShared())) {
1182                     // updating an existing file
1183                     operations.add(
1184                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1185                             withValues(cv).
1186                             withSelection(
1187                                     ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1188                                     new String[] { String.valueOf(share.getIdRemoteShared()) }
1189                             ).
1190                             build()
1191                     );
1192
1193                 } else {
1194                     // adding a new file
1195                     operations.add(
1196                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1197                             withValues(cv).
1198                             build()
1199                     );
1200                 }
1201             }
1202
1203             // apply operations in batch
1204             if (operations.size() > 0) {
1205                 @SuppressWarnings("unused")
1206                 ContentProviderResult[] results = null;
1207                 Log_OC.d(TAG, "Sending " + operations.size() +
1208                         " operations to FileContentProvider");
1209                 try {
1210                     if (getContentResolver() != null) {
1211                         results = getContentResolver().applyBatch(
1212                                 MainApp.getAuthority(), operations
1213                         );
1214
1215                     } else {
1216                         results = getContentProviderClient().applyBatch(operations);
1217                     }
1218
1219                 } catch (OperationApplicationException e) {
1220                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1221
1222                 } catch (RemoteException e) {
1223                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1224                 }
1225             }
1226         }
1227
1228     }
1229
1230     public void updateSharedFiles(Collection<OCFile> sharedFiles) {
1231         cleanSharedFiles();
1232
1233         if (sharedFiles != null) {
1234             ArrayList<ContentProviderOperation> operations =
1235                     new ArrayList<ContentProviderOperation>(sharedFiles.size());
1236
1237             // prepare operations to insert or update files to save in the given folder
1238             for (OCFile file : sharedFiles) {
1239                 ContentValues cv = new ContentValues();
1240                 cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
1241                 cv.put(
1242                     ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
1243                     file.getModificationTimestampAtLastSyncForData()
1244                 );
1245                 cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
1246                 cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
1247                 cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
1248                 cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
1249                 cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
1250                 cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
1251                 if (!file.isFolder()) {
1252                     cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
1253                 }
1254                 cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
1255                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
1256                 cv.put(
1257                     ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA,
1258                     file.getLastSyncDateForData()
1259                 );
1260                 cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
1261                 cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
1262                 cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
1263                 cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
1264                 cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
1265                 cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
1266                 cv.put(
1267                     ProviderTableMeta.FILE_UPDATE_THUMBNAIL,
1268                     file.needsUpdateThumbnail() ? 1 : 0
1269                 );
1270                 cv.put(
1271                         ProviderTableMeta.FILE_IS_DOWNLOADING,
1272                         file.isDownloading() ? 1 : 0
1273                 );
1274                 cv.put(
1275                         ProviderTableMeta.FILE_IS_UPLOADING,
1276                         file.isUploading() ? 1 : 0
1277                 );
1278
1279                 boolean existsByPath = fileExists(file.getRemotePath());
1280                 if (existsByPath || fileExists(file.getFileId())) {
1281                     // updating an existing file
1282                     operations.add(
1283                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
1284                             withValues(cv).
1285                             withSelection(
1286                                     ProviderTableMeta._ID + "=?",
1287                                     new String[] { String.valueOf(file.getFileId()) }
1288                             ).build()
1289                     );
1290
1291                 } else {
1292                     // adding a new file
1293                     operations.add(
1294                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
1295                             withValues(cv).
1296                             build()
1297                     );
1298                 }
1299             }
1300
1301             // apply operations in batch
1302             if (operations.size() > 0) {
1303                 @SuppressWarnings("unused")
1304                 ContentProviderResult[] results = null;
1305                 Log_OC.d(TAG, "Sending " + operations.size() +
1306                         " operations to FileContentProvider");
1307                 try {
1308                     if (getContentResolver() != null) {
1309                         results = getContentResolver().applyBatch(
1310                                 MainApp.getAuthority(), operations
1311                         );
1312
1313                     } else {
1314                         results = getContentProviderClient().applyBatch(operations);
1315                     }
1316
1317                 } catch (OperationApplicationException e) {
1318                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1319
1320                 } catch (RemoteException e) {
1321                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1322                 }
1323             }
1324         }
1325
1326     }
1327
1328     public void removeShare(OCShare share){
1329         Uri share_uri = ProviderTableMeta.CONTENT_URI_SHARE;
1330         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?" + " AND " +
1331                 ProviderTableMeta.FILE_PATH + "=?";
1332         String [] whereArgs = new String[]{mAccount.name, share.getPath()};
1333         if (getContentProviderClient() != null) {
1334             try {
1335                 getContentProviderClient().delete(share_uri, where, whereArgs);
1336             } catch (RemoteException e) {
1337                 e.printStackTrace();
1338             }
1339         } else {
1340             getContentResolver().delete(share_uri, where, whereArgs);
1341         }
1342     }
1343
1344     public void saveSharesDB(ArrayList<OCShare> shares) {
1345         saveShares(shares);
1346
1347         ArrayList<OCFile> sharedFiles = new ArrayList<OCFile>();
1348
1349         for (OCShare share : shares) {
1350             // Get the path
1351             String path = share.getPath();
1352             if (share.isFolder()) {
1353                 path = path + FileUtils.PATH_SEPARATOR;
1354             }
1355
1356             // Update OCFile with data from share: ShareByLink  and publicLink
1357             OCFile file = getFileByPath(path);
1358             if (file != null) {
1359                 if (share.getShareType().equals(ShareType.PUBLIC_LINK)) {
1360                     file.setShareByLink(true);
1361                     sharedFiles.add(file);
1362                 }
1363             }
1364         }
1365
1366         updateSharedFiles(sharedFiles);
1367     }
1368
1369
1370     public void saveSharesInFolder(ArrayList<OCShare> shares, OCFile folder) {
1371         cleanSharedFilesInFolder(folder);
1372         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1373         operations = prepareRemoveSharesInFolder(folder, operations);
1374
1375         if (shares != null) {
1376             // prepare operations to insert or update files to save in the given folder
1377             for (OCShare share : shares) {
1378                 ContentValues cv = new ContentValues();
1379                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1380                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1381                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1382                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1383                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1384                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1385                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1386                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1387                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1388                 cv.put(
1389                     ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1390                     share.getSharedWithDisplayName()
1391                 );
1392                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1393                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1394                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1395                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1396
1397                 /*
1398                 if (shareExists(share.getIdRemoteShared())) {
1399                     // updating an existing share resource
1400                     operations.add(
1401                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1402                             withValues(cv).
1403                             withSelection(  ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1404                                     new String[] { String.valueOf(share.getIdRemoteShared()) })
1405                                     .build());
1406
1407                 } else {
1408                 */
1409                 // adding a new share resource
1410                 operations.add(
1411                         ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1412                         withValues(cv).
1413                         build()
1414                 );
1415                 //}
1416             }
1417         }
1418
1419         // apply operations in batch
1420         if (operations.size() > 0) {
1421             @SuppressWarnings("unused")
1422             ContentProviderResult[] results = null;
1423             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1424             try {
1425                 if (getContentResolver() != null) {
1426                     results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1427
1428                 } else {
1429                     results = getContentProviderClient().applyBatch(operations);
1430                 }
1431
1432             } catch (OperationApplicationException e) {
1433                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1434
1435             } catch (RemoteException e) {
1436                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1437             }
1438         }
1439         //}
1440
1441     }
1442
1443     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFolder(
1444             OCFile folder, ArrayList<ContentProviderOperation> preparedOperations
1445             ) {
1446         if (folder != null) {
1447             String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND "
1448                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1449             String [] whereArgs = new String[]{ "", mAccount.name };
1450
1451             Vector<OCFile> files = getFolderContent(folder);
1452
1453             for (OCFile file : files) {
1454                 whereArgs[0] = file.getRemotePath();
1455                 preparedOperations.add(
1456                         ContentProviderOperation.newDelete(ProviderTableMeta.CONTENT_URI_SHARE).
1457                         withSelection(where, whereArgs).
1458                         build()
1459                 );
1460             }
1461         }
1462         return preparedOperations;
1463
1464         /*
1465         if (operations.size() > 0) {
1466             try {
1467                 if (getContentResolver() != null) {
1468                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1469
1470                 } else {
1471                     getContentProviderClient().applyBatch(operations);
1472                 }
1473
1474             } catch (OperationApplicationException e) {
1475                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1476
1477             } catch (RemoteException e) {
1478                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1479             }
1480         }
1481         */
1482
1483             /*
1484             if (getContentResolver() != null) {
1485
1486                 getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE,
1487                                             where,
1488                                             whereArgs);
1489             } else {
1490                 try {
1491                     getContentProviderClient().delete(  ProviderTableMeta.CONTENT_URI_SHARE,
1492                                                         where,
1493                                                         whereArgs);
1494
1495                 } catch (RemoteException e) {
1496                     Log_OC.e(TAG, "Exception deleting shares in a folder " + e.getMessage());
1497                 }
1498             }
1499             */
1500         //}
1501     }
1502
1503     public void triggerMediaScan(String path) {
1504         Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
1505         intent.setData(Uri.fromFile(new File(path)));
1506         MainApp.getAppContext().sendBroadcast(intent);
1507     }
1508
1509 }