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