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 import android.provider.MediaStore;
  50
  51 public class FileDataStorageManager {
  52
  53     public static final int ROOT_PARENT_ID = 0;
  54
  55     private ContentResolver mContentResolver;
  56     private ContentProviderClient mContentProviderClient;
  57     private Account mAccount;
  58
  59     private static String TAG = FileDataStorageManager.class.getSimpleName();
  60
  61
  62     public FileDataStorageManager(Account account, ContentResolver cr) {
  63         mContentProviderClient = null;
  64         mContentResolver = cr;
  65         mAccount = account;
  66     }
  67
  68     public FileDataStorageManager(Account account, ContentProviderClient cp) {
  69         mContentProviderClient = cp;
  70         mContentResolver = null;
  71         mAccount = account;
  72     }
  73
  74
  75     public void setAccount(Account account) {
  76         mAccount = account;
  77     }
  78
  79     public Account getAccount() {
  80         return mAccount;
  81     }
  82
  83     public void setContentResolver(ContentResolver cr) {
  84         mContentResolver = cr;
  85     }
  86
  87     public ContentResolver getContentResolver() {
  88         return mContentResolver;
  89     }
  90
  91     public void setContentProviderClient(ContentProviderClient cp) {
  92         mContentProviderClient = cp;
  93     }
  94
  95     public ContentProviderClient getContentProviderClient() {
  96         return mContentProviderClient;
  97     }
  98
  99
 100     public OCFile getFileByPath(String path) {
 101         Cursor c = getCursorForValue(ProviderTableMeta.FILE_PATH, path);
 102         OCFile file = null;
 103         if (c.moveToFirst()) {
 104             file = createFileInstance(c);
 105         }
 106         c.close();
 107         if (file == null && OCFile.ROOT_PATH.equals(path)) {
 108             return createRootDir(); // root should always exist
 109         }
 110         return file;
 111     }
 112
 113
 114     public OCFile getFileById(long id) {
 115         Cursor c = getCursorForValue(ProviderTableMeta._ID, String.valueOf(id));
 116         OCFile file = null;
 117         if (c.moveToFirst()) {
 118             file = createFileInstance(c);
 119         }
 120         c.close();
 121         return file;
 122     }
 123
 124     public OCFile getFileByLocalPath(String path) {
 125         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 126         OCFile file = null;
 127         if (c.moveToFirst()) {
 128             file = createFileInstance(c);
 129         }
 130         c.close();
 131         return file;
 132     }
 133
 134     public boolean fileExists(long id) {
 135         return fileExists(ProviderTableMeta._ID, String.valueOf(id));
 136     }
 137
 138     public boolean fileExists(String path) {
 139         return fileExists(ProviderTableMeta.FILE_PATH, path);
 140     }
 141
 142
 143     public Vector<OCFile> getFolderContent(OCFile f) {
 144         if (f != null && f.isFolder() && f.getFileId() != -1) {
 145             return getFolderContent(f.getFileId());
 146
 147         } else {
 148             return new Vector<OCFile>();
 149         }
 150     }
 151
 152
 153     public Vector<OCFile> getFolderImages(OCFile folder) {
 154         Vector<OCFile> ret = new Vector<OCFile>();
 155         if (folder != null) {
 156             // TODO better implementation, filtering in the access to database instead of here
 157             Vector<OCFile> tmp = getFolderContent(folder);
 158             OCFile current = null;
 159             for (int i=0; i<tmp.size(); i++) {
 160                 current = tmp.get(i);
 161                 if (current.isImage()) {
 162                     ret.add(current);
 163                 }
 164             }
 165         }
 166         return ret;
 167     }
 168
 169
 170     public boolean saveFile(OCFile file) {
 171         boolean overriden = false;
 172         ContentValues cv = new ContentValues();
 173         cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 174         cv.put(
 175             ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 176             file.getModificationTimestampAtLastSyncForData()
 177         );
 178         cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 179         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 180         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 181         cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 182         //if (file.getParentId() != DataStorageManager.ROOT_PARENT_ID)
 183             cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 184         cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 185         if (!file.isFolder())
 186             cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 187         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 188         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 189         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 190         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
 191         cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 192         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
 193         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 194         cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 195         cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 196         cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
 197         cv.put(ProviderTableMeta.FILE_IS_DOWNLOADING, file.isDownloading());
 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 updatedFiles
 267      * @param filesToRemove
 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
 309             boolean existsByPath = fileExists(file.getRemotePath());
 310             if (existsByPath || fileExists(file.getFileId())) {
 311                 // updating an existing file
 312                 operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 313                         withValues(cv).
 314                         withSelection(  ProviderTableMeta._ID + "=?",
 315                                 new String[] { String.valueOf(file.getFileId()) })
 316                                 .build());
 317
 318             } else {
 319                 // adding a new file
 320                 operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
 321                         withValues(cv).build());
 322             }
 323         }
 324
 325         // prepare operations to remove files in the given folder
 326         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 327                 ProviderTableMeta.FILE_PATH + "=?";
 328         String [] whereArgs = null;
 329         for (OCFile file : filesToRemove) {
 330             if (file.getParentId() == folder.getFileId()) {
 331                 whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 332                 //Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE, "" + file.getFileId());
 333                 if (file.isFolder()) {
 334                     operations.add(ContentProviderOperation.newDelete(
 335                             ContentUris.withAppendedId(
 336                                     ProviderTableMeta.CONTENT_URI_DIR, file.getFileId()
 337                             )
 338                     ).withSelection(where, whereArgs).build());
 339
 340                     File localFolder =
 341                             new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 342                     if (localFolder.exists()) {
 343                         removeLocalFolder(localFolder);
 344                     }
 345                 } else {
 346                     operations.add(ContentProviderOperation.newDelete(
 347                             ContentUris.withAppendedId(
 348                                     ProviderTableMeta.CONTENT_URI_FILE, file.getFileId()
 349                             )
 350                     ).withSelection(where, whereArgs).build());
 351
 352                     if (file.isDown()) {
 353                         String path = file.getStoragePath();
 354                         new File(path).delete();
 355                         triggerMediaScan(path); // notify MediaScanner about removed file
 356                     }
 357                 }
 358             }
 359         }
 360
 361         // update metadata of folder
 362         ContentValues cv = new ContentValues();
 363         cv.put(ProviderTableMeta.FILE_MODIFIED, folder.getModificationTimestamp());
 364         cv.put(
 365             ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 366             folder.getModificationTimestampAtLastSyncForData()
 367         );
 368         cv.put(ProviderTableMeta.FILE_CREATION, folder.getCreationTimestamp());
 369         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, 0);
 370         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, folder.getMimetype());
 371         cv.put(ProviderTableMeta.FILE_NAME, folder.getFileName());
 372         cv.put(ProviderTableMeta.FILE_PARENT, folder.getParentId());
 373         cv.put(ProviderTableMeta.FILE_PATH, folder.getRemotePath());
 374         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 375         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, folder.getLastSyncDateForProperties());
 376         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, folder.getLastSyncDateForData());
 377         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, folder.keepInSync() ? 1 : 0);
 378         cv.put(ProviderTableMeta.FILE_ETAG, folder.getEtag());
 379         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, folder.isShareByLink() ? 1 : 0);
 380         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, folder.getPublicLink());
 381         cv.put(ProviderTableMeta.FILE_PERMISSIONS, folder.getPermissions());
 382         cv.put(ProviderTableMeta.FILE_REMOTE_ID, folder.getRemoteId());
 383
 384         operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 385                 withValues(cv).
 386                 withSelection(  ProviderTableMeta._ID + "=?",
 387                         new String[] { String.valueOf(folder.getFileId()) })
 388                         .build());
 389
 390         // apply operations in batch
 391         ContentProviderResult[] results = null;
 392         Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
 393         try {
 394             if (getContentResolver() != null) {
 395                 results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 396
 397             } else {
 398                 results = getContentProviderClient().applyBatch(operations);
 399             }
 400
 401         } catch (OperationApplicationException e) {
 402             Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
 403
 404         } catch (RemoteException e) {
 405             Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
 406         }
 407
 408         // update new id in file objects for insertions
 409         if (results != null) {
 410             long newId;
 411             Iterator<OCFile> filesIt = updatedFiles.iterator();
 412             OCFile file = null;
 413             for (int i=0; i<results.length; i++) {
 414                 if (filesIt.hasNext()) {
 415                     file = filesIt.next();
 416                 } else {
 417                     file = null;
 418                 }
 419                 if (results[i].uri != null) {
 420                     newId = Long.parseLong(results[i].uri.getPathSegments().get(1));
 421                     //updatedFiles.get(i).setFileId(newId);
 422                     if (file != null) {
 423                         file.setFileId(newId);
 424                     }
 425                 }
 426             }
 427         }
 428
 429         //updateFolderSize(folder.getFileId());
 430
 431     }
 432
 433
 434 //    /**
 435 //     *
 436 //     * @param id
 437 //     */
 438 //    private void updateFolderSize(long id) {
 439 //        if (id > FileDataStorageManager.ROOT_PARENT_ID) {
 440 //            Log_OC.d(TAG, "Updating size of " + id);
 441 //            if (getContentResolver() != null) {
 442 //                getContentResolver().update(ProviderTableMeta.CONTENT_URI_DIR,
 443 //                        new ContentValues(),
 444                             // won't be used, but cannot be null; crashes in KLP
 445 //                        ProviderTableMeta._ID + "=?",
 446 //                        new String[] { String.valueOf(id) });
 447 //            } else {
 448 //                try {
 449 //                    getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_DIR,
 450 //                            new ContentValues(),
 451                                 // won't be used, but cannot be null; crashes in KLP
 452 //                            ProviderTableMeta._ID + "=?",
 453 //                            new String[] { String.valueOf(id) });
 454 //
 455 //                } catch (RemoteException e) {
 456 //                    Log_OC.e(
 457 //    TAG, "Exception in update of folder size through compatibility patch " + e.getMessage());
 458 //                }
 459 //            }
 460 //        } else {
 461 //            Log_OC.e(TAG,  "not updating size for folder " + id);
 462 //        }
 463 //    }
 464
 465
 466     public boolean removeFile(OCFile file, boolean removeDBData, boolean removeLocalCopy) {
 467         boolean success = true;
 468         if (file != null) {
 469             if (file.isFolder()) {
 470                 success = removeFolder(file, removeDBData, removeLocalCopy);
 471
 472             } else {
 473                 if (removeDBData) {
 474                     Uri file_uri = ContentUris.withAppendedId(
 475                         ProviderTableMeta.CONTENT_URI_FILE,
 476                         file.getFileId()
 477                     );
 478                     String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 479                             ProviderTableMeta.FILE_PATH + "=?";
 480                     String [] whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 481                     int deleted = 0;
 482                     if (getContentProviderClient() != null) {
 483                         try {
 484                             deleted = getContentProviderClient().delete(file_uri, where, whereArgs);
 485                         } catch (RemoteException e) {
 486                             e.printStackTrace();
 487                         }
 488                     } else {
 489                         deleted = getContentResolver().delete(file_uri, where, whereArgs);
 490                     }
 491                     success &= (deleted > 0);
 492                 }
 493                 String localPath = file.getStoragePath();
 494                 if (removeLocalCopy && file.isDown() && localPath != null && success) {
 495                     success = new File(localPath).delete();
 496                     if (success) {
 497                         deleteFileInMediaScan(file);
 498                     }
 499                     if (!removeDBData && success) {
 500                         // maybe unnecessary, but should be checked TODO remove if unnecessary
 501                         file.setStoragePath(null);
 502                         saveFile(file);
 503                     }
 504                 }
 505             }
 506         }
 507         return success;
 508     }
 509
 510
 511     public boolean removeFolder(OCFile folder, boolean removeDBData, boolean removeLocalContent) {
 512         boolean success = true;
 513         if (folder != null && folder.isFolder()) {
 514             if (removeDBData &&  folder.getFileId() != -1) {
 515                 success = removeFolderInDb(folder);
 516             }
 517             if (removeLocalContent && success) {
 518                 success = removeLocalFolder(folder);
 519             }
 520         }
 521         return success;
 522     }
 523
 524     private boolean removeFolderInDb(OCFile folder) {
 525         Uri folder_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, "" +
 526                 folder.getFileId());   // URI for recursive deletion
 527         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 528                 ProviderTableMeta.FILE_PATH + "=?";
 529         String [] whereArgs = new String[]{mAccount.name, folder.getRemotePath()};
 530         int deleted = 0;
 531         if (getContentProviderClient() != null) {
 532             try {
 533                 deleted = getContentProviderClient().delete(folder_uri, where, whereArgs);
 534             } catch (RemoteException e) {
 535                 e.printStackTrace();
 536             }
 537         } else {
 538             deleted = getContentResolver().delete(folder_uri, where, whereArgs);
 539         }
 540         return deleted > 0;
 541     }
 542
 543     private boolean removeLocalFolder(OCFile folder) {
 544         boolean success = true;
 545         String localFolderPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, folder);
 546         File localFolder = new File(localFolderPath);
 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                             File localFile = new File(file.getStoragePath());
 557                             success &= localFile.delete();
 558                             if (success) {
 559                                 deleteFileInMediaScan(file); // notify MediaScanner about removed file
 560                                 file.setStoragePath(null);
 561                                 saveFile(file);
 562                             }
 563                         }
 564                     }
 565                 }
 566             }
 567
 568             // stage 2: remove the folder itself and any local file inside out of sync;
 569             //          for instance, after clearing the app cache or reinstalling
 570             success &= removeLocalFolder(localFolder);
 571         }
 572         return success;
 573     }
 574
 575     private boolean removeLocalFolder(File localFolder) {
 576         boolean success = true;
 577         File[] localFiles = localFolder.listFiles();
 578         if (localFiles != null) {
 579             for (File localFile : localFiles) {
 580                 if (localFile.isDirectory()) {
 581                     success &= removeLocalFolder(localFile);
 582                 } else {
 583                     String path = localFile.getAbsolutePath();
 584                     success &= localFile.delete();
 585                 }
 586             }
 587         }
 588         success &= localFolder.delete();
 589         return success;
 590     }
 591
 592
 593     /**
 594      * Updates database and file system for a file or folder that was moved to a different location.
 595      *
 596      * TODO explore better (faster) implementations
 597      * TODO throw exceptions up !
 598      */
 599     public void moveLocalFile(OCFile file, String targetPath, String targetParentPath) {
 600
 601         if (file != null && file.fileExists() && !OCFile.ROOT_PATH.equals(file.getFileName())) {
 602
 603             OCFile targetParent = getFileByPath(targetParentPath);
 604             if (targetParent == null) {
 605                 throw new IllegalStateException("Parent folder of the target path does not exist!!");
 606             }
 607
 608             /// 1. get all the descendants of the moved element in a single QUERY
 609             Cursor c = null;
 610             if (getContentProviderClient() != null) {
 611                 try {
 612                     c = getContentProviderClient().query(
 613                         ProviderTableMeta.CONTENT_URI,
 614                         null,
 615                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 616                                 ProviderTableMeta.FILE_PATH + " LIKE ? ",
 617                         new String[] {
 618                                 mAccount.name,
 619                                 file.getRemotePath() + "%"
 620                         },
 621                         ProviderTableMeta.FILE_PATH + " ASC "
 622                     );
 623                 } catch (RemoteException e) {
 624                     Log_OC.e(TAG, e.getMessage());
 625                 }
 626
 627             } else {
 628                 c = getContentResolver().query(
 629                     ProviderTableMeta.CONTENT_URI,
 630                     null,
 631                     ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 632                             ProviderTableMeta.FILE_PATH + " LIKE ? ",
 633                     new String[] {
 634                             mAccount.name,
 635                             file.getRemotePath() + "%"
 636                     },
 637                     ProviderTableMeta.FILE_PATH + " ASC "
 638                 );
 639             }
 640
 641             /// 2. prepare a batch of update operations to change all the descendants
 642             ArrayList<ContentProviderOperation> operations =
 643                     new ArrayList<ContentProviderOperation>(c.getCount());
 644             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 645             List<String> originalPathsToTriggerMediaScan = new ArrayList<String>();
 646             List<String> newPathsToTriggerMediaScan = new ArrayList<String>();
 647             if (c.moveToFirst()) {
 648                 int lengthOfOldPath = file.getRemotePath().length();
 649                 int lengthOfOldStoragePath = defaultSavePath.length() + lengthOfOldPath;
 650                 do {
 651                     ContentValues cv = new ContentValues(); // keep construction in the loop
 652                     OCFile child = createFileInstance(c);
 653                     cv.put(
 654                         ProviderTableMeta.FILE_PATH,
 655                         targetPath + child.getRemotePath().substring(lengthOfOldPath)
 656                     );
 657                     if (child.getStoragePath() != null &&
 658                             child.getStoragePath().startsWith(defaultSavePath)) {
 659                         // update link to downloaded content - but local move is not done here!
 660                         String targetLocalPath = defaultSavePath + targetPath +
 661                                 child.getStoragePath().substring(lengthOfOldStoragePath);
 662
 663                         cv.put(ProviderTableMeta.FILE_STORAGE_PATH, targetLocalPath);
 664
 665                         originalPathsToTriggerMediaScan.add(child.getStoragePath());
 666                         newPathsToTriggerMediaScan.add(targetLocalPath);
 667
 668                     }
 669                     if (child.getRemotePath().equals(file.getRemotePath())) {
 670                         cv.put(
 671                                 ProviderTableMeta.FILE_PARENT,
 672                                 targetParent.getFileId()
 673                             );
 674                     }
 675                     operations.add(
 676                         ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 677                             withValues(cv).
 678                             withSelection(
 679                                     ProviderTableMeta._ID + "=?",
 680                                     new String[] { String.valueOf(child.getFileId()) }
 681                                     )
 682                             .build());
 683
 684                 } while (c.moveToNext());
 685             }
 686             c.close();
 687
 688             /// 3. apply updates in batch
 689             try {
 690                 if (getContentResolver() != null) {
 691                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 692
 693                 } else {
 694                     getContentProviderClient().applyBatch(operations);
 695                 }
 696
 697             } catch (Exception e) {
 698                 Log_OC.e(TAG, "Fail to update " + file.getFileId() + " and descendants in database", e);
 699             }
 700
 701             /// 4. move in local file system
 702             String originalLocalPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, file);
 703             String targetLocalPath = defaultSavePath + targetPath;
 704             File localFile = new File(originalLocalPath);
 705             boolean renamed = false;
 706             if (localFile.exists()) {
 707                 File targetFile = new File(targetLocalPath);
 708                 File targetFolder = targetFile.getParentFile();
 709                 if (!targetFolder.exists()) {
 710                     targetFolder.mkdirs();
 711                 }
 712                 renamed = localFile.renameTo(targetFile);
 713             }
 714
 715             if (renamed) {
 716                 Iterator<String> it = originalPathsToTriggerMediaScan.iterator();
 717                 while (it.hasNext()) {
 718                     // Notify MediaScanner about removed file
 719                     deleteFileInMediaScan(file);
 720                     triggerMediaScan(it.next());
 721                 }
 722                 it = newPathsToTriggerMediaScan.iterator();
 723                 while (it.hasNext()) {
 724                     // Notify MediaScanner about new file/folder
 725                     deleteFileInMediaScan(file);
 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
 887         }
 888         return file;
 889     }
 890
 891     /**
 892      * Returns if the file/folder is shared by link or not
 893      * @param path  Path of the file/folder
 894      * @return
 895      */
 896     public boolean isShareByLink(String path) {
 897         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 898         OCFile file = null;
 899         if (c.moveToFirst()) {
 900             file = createFileInstance(c);
 901         }
 902         c.close();
 903         return file.isShareByLink();
 904     }
 905
 906     /**
 907      * Returns the public link of the file/folder
 908      * @param path  Path of the file/folder
 909      * @return
 910      */
 911     public String getPublicLink(String path) {
 912         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 913         OCFile file = null;
 914         if (c.moveToFirst()) {
 915             file = createFileInstance(c);
 916         }
 917         c.close();
 918         return file.getPublicLink();
 919     }
 920
 921
 922     // Methods for Shares
 923     public boolean saveShare(OCShare share) {
 924         boolean overriden = false;
 925         ContentValues cv = new ContentValues();
 926         cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
 927         cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
 928         cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
 929         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
 930         cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
 931         cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
 932         cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
 933         cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
 934         cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
 935         cv.put(
 936             ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
 937             share.getSharedWithDisplayName()
 938         );
 939         cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
 940         cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
 941         cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
 942         cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
 943
 944         if (shareExists(share.getIdRemoteShared())) {   // for renamed files
 945
 946             overriden = true;
 947             if (getContentResolver() != null) {
 948                 getContentResolver().update(ProviderTableMeta.CONTENT_URI_SHARE, cv,
 949                         ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 950                         new String[] { String.valueOf(share.getIdRemoteShared()) });
 951             } else {
 952                 try {
 953                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_SHARE,
 954                             cv, ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 955                             new String[] { String.valueOf(share.getIdRemoteShared()) });
 956                 } catch (RemoteException e) {
 957                     Log_OC.e(TAG,
 958                             "Fail to insert insert file to database "
 959                                     + e.getMessage());
 960                 }
 961             }
 962         } else {
 963             Uri result_uri = null;
 964             if (getContentResolver() != null) {
 965                 result_uri = getContentResolver().insert(
 966                         ProviderTableMeta.CONTENT_URI_SHARE, cv);
 967             } else {
 968                 try {
 969                     result_uri = getContentProviderClient().insert(
 970                             ProviderTableMeta.CONTENT_URI_SHARE, cv);
 971                 } catch (RemoteException e) {
 972                     Log_OC.e(TAG,
 973                             "Fail to insert insert file to database "
 974                                     + e.getMessage());
 975                 }
 976             }
 977             if (result_uri != null) {
 978                 long new_id = Long.parseLong(result_uri.getPathSegments()
 979                         .get(1));
 980                 share.setId(new_id);
 981             }
 982         }
 983
 984         return overriden;
 985     }
 986
 987
 988     public OCShare getFirstShareByPathAndType(String path, ShareType type) {
 989         Cursor c = null;
 990         if (getContentResolver() != null) {
 991             c = getContentResolver().query(
 992                     ProviderTableMeta.CONTENT_URI_SHARE,
 993                     null,
 994                     ProviderTableMeta.OCSHARES_PATH + "=? AND "
 995                             + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
 996                             + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
 997                     new String[] { path, Integer.toString(type.getValue()), mAccount.name },
 998                     null);
 999         } else {
1000             try {
1001                 c = getContentProviderClient().query(
1002                         ProviderTableMeta.CONTENT_URI_SHARE,
1003                         null,
1004                         ProviderTableMeta.OCSHARES_PATH + "=? AND "
1005                                 + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
1006                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1007                         new String[] { path, Integer.toString(type.getValue()), mAccount.name },
1008                         null);
1009
1010             } catch (RemoteException e) {
1011                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
1012                 c = null;
1013             }
1014         }
1015         OCShare share = null;
1016         if (c.moveToFirst()) {
1017             share = createShareInstance(c);
1018         }
1019         c.close();
1020         return share;
1021     }
1022
1023     private OCShare createShareInstance(Cursor c) {
1024         OCShare share = null;
1025         if (c != null) {
1026             share = new OCShare(c.getString(c
1027                     .getColumnIndex(ProviderTableMeta.OCSHARES_PATH)));
1028             share.setId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
1029             share.setFileSource(c.getLong(c
1030                     .getColumnIndex(ProviderTableMeta.OCSHARES_ITEM_SOURCE)));
1031             share.setShareType(ShareType.fromValue(c.getInt(c
1032                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_TYPE))));
1033             share.setPermissions(c.getInt(c
1034                     .getColumnIndex(ProviderTableMeta.OCSHARES_PERMISSIONS)));
1035             share.setSharedDate(c.getLong(c
1036                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARED_DATE)));
1037             share.setExpirationDate(c.getLong(c
1038                     .getColumnIndex(ProviderTableMeta.OCSHARES_EXPIRATION_DATE)));
1039             share.setToken(c.getString(c
1040                     .getColumnIndex(ProviderTableMeta.OCSHARES_TOKEN)));
1041             share.setSharedWithDisplayName(c.getString(c
1042                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME)));
1043             share.setIsFolder(c.getInt(
1044                     c.getColumnIndex(ProviderTableMeta.OCSHARES_IS_DIRECTORY)) == 1 ? true : false);
1045             share.setUserId(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_USER_ID)));
1046             share.setIdRemoteShared(
1047                 c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED))
1048             );
1049
1050         }
1051         return share;
1052     }
1053
1054     private boolean shareExists(String cmp_key, String value) {
1055         Cursor c;
1056         if (getContentResolver() != null) {
1057             c = getContentResolver()
1058                     .query(ProviderTableMeta.CONTENT_URI_SHARE,
1059                             null,
1060                             cmp_key + "=? AND "
1061                                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
1062                                     + "=?",
1063                                     new String[] { value, mAccount.name }, null);
1064         } else {
1065             try {
1066                 c = getContentProviderClient().query(
1067                         ProviderTableMeta.CONTENT_URI_SHARE,
1068                         null,
1069                         cmp_key + "=? AND "
1070                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1071                                 new String[] { value, mAccount.name }, null);
1072             } catch (RemoteException e) {
1073                 Log_OC.e(TAG,
1074                         "Couldn't determine file existance, assuming non existance: "
1075                                 + e.getMessage());
1076                 return false;
1077             }
1078         }
1079         boolean retval = c.moveToFirst();
1080         c.close();
1081         return retval;
1082     }
1083
1084     private boolean shareExists(long remoteId) {
1085         return shareExists(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, String.valueOf(remoteId));
1086     }
1087
1088     private void cleanSharedFiles() {
1089         ContentValues cv = new ContentValues();
1090         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
1091         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1092         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?";
1093         String [] whereArgs = new String[]{mAccount.name};
1094
1095         if (getContentResolver() != null) {
1096             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1097
1098         } else {
1099             try {
1100                 getContentProviderClient().update(
1101                         ProviderTableMeta.CONTENT_URI, cv, where, whereArgs
1102                 );
1103
1104             } catch (RemoteException e) {
1105                 Log_OC.e(TAG, "Exception in cleanSharedFiles" + e.getMessage());
1106             }
1107         }
1108     }
1109
1110     private void cleanSharedFilesInFolder(OCFile folder) {
1111         ContentValues cv = new ContentValues();
1112         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
1113         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1114         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1115                 ProviderTableMeta.FILE_PARENT + "=?";
1116         String [] whereArgs = new String[] { mAccount.name , String.valueOf(folder.getFileId()) };
1117
1118         if (getContentResolver() != null) {
1119             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1120
1121         } else {
1122             try {
1123                 getContentProviderClient().update(
1124                         ProviderTableMeta.CONTENT_URI, cv, where, whereArgs
1125                 );
1126
1127             } catch (RemoteException e) {
1128                 Log_OC.e(TAG, "Exception in cleanSharedFilesInFolder " + e.getMessage());
1129             }
1130         }
1131     }
1132
1133     private void cleanShares() {
1134         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1135         String [] whereArgs = new String[]{mAccount.name};
1136
1137         if (getContentResolver() != null) {
1138             getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1139
1140         } else {
1141             try {
1142                 getContentProviderClient().delete(
1143                         ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs
1144                 );
1145
1146             } catch (RemoteException e) {
1147                 Log_OC.e(TAG, "Exception in cleanShares" + e.getMessage());
1148             }
1149         }
1150     }
1151
1152     public void saveShares(Collection<OCShare> shares) {
1153         cleanShares();
1154         if (shares != null) {
1155             ArrayList<ContentProviderOperation> operations =
1156                     new ArrayList<ContentProviderOperation>(shares.size());
1157
1158             // prepare operations to insert or update files to save in the given folder
1159             for (OCShare share : shares) {
1160                 ContentValues cv = new ContentValues();
1161                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1162                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1163                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1164                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1165                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1166                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1167                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1168                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1169                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1170                 cv.put(
1171                     ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1172                     share.getSharedWithDisplayName()
1173                 );
1174                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1175                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1176                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1177                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1178
1179                 if (shareExists(share.getIdRemoteShared())) {
1180                     // updating an existing file
1181                     operations.add(
1182                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1183                             withValues(cv).
1184                             withSelection(
1185                                     ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1186                                     new String[] { String.valueOf(share.getIdRemoteShared()) }
1187                             ).
1188                             build()
1189                     );
1190
1191                 } else {
1192                     // adding a new file
1193                     operations.add(
1194                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1195                             withValues(cv).
1196                             build()
1197                     );
1198                 }
1199             }
1200
1201             // apply operations in batch
1202             if (operations.size() > 0) {
1203                 @SuppressWarnings("unused")
1204                 ContentProviderResult[] results = null;
1205                 Log_OC.d(TAG, "Sending " + operations.size() +
1206                         " operations to FileContentProvider");
1207                 try {
1208                     if (getContentResolver() != null) {
1209                         results = getContentResolver().applyBatch(
1210                                 MainApp.getAuthority(), operations
1211                         );
1212
1213                     } else {
1214                         results = getContentProviderClient().applyBatch(operations);
1215                     }
1216
1217                 } catch (OperationApplicationException e) {
1218                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1219
1220                 } catch (RemoteException e) {
1221                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1222                 }
1223             }
1224         }
1225
1226     }
1227
1228     public void updateSharedFiles(Collection<OCFile> sharedFiles) {
1229         cleanSharedFiles();
1230
1231         if (sharedFiles != null) {
1232             ArrayList<ContentProviderOperation> operations =
1233                     new ArrayList<ContentProviderOperation>(sharedFiles.size());
1234
1235             // prepare operations to insert or update files to save in the given folder
1236             for (OCFile file : sharedFiles) {
1237                 ContentValues cv = new ContentValues();
1238                 cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
1239                 cv.put(
1240                     ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
1241                     file.getModificationTimestampAtLastSyncForData()
1242                 );
1243                 cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
1244                 cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
1245                 cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
1246                 cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
1247                 cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
1248                 cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
1249                 if (!file.isFolder()) {
1250                     cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
1251                 }
1252                 cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
1253                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
1254                 cv.put(
1255                     ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA,
1256                     file.getLastSyncDateForData()
1257                 );
1258                 cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
1259                 cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
1260                 cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
1261                 cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
1262                 cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
1263                 cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
1264                 cv.put(
1265                     ProviderTableMeta.FILE_UPDATE_THUMBNAIL,
1266                     file.needsUpdateThumbnail() ? 1 : 0
1267                 );
1268                 cv.put(
1269                         ProviderTableMeta.FILE_IS_DOWNLOADING,
1270                         file.isDownloading() ? 1 : 0
1271                 );
1272
1273                 boolean existsByPath = fileExists(file.getRemotePath());
1274                 if (existsByPath || fileExists(file.getFileId())) {
1275                     // updating an existing file
1276                     operations.add(
1277                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
1278                             withValues(cv).
1279                             withSelection(
1280                                     ProviderTableMeta._ID + "=?",
1281                                     new String[] { String.valueOf(file.getFileId()) }
1282                             ).build()
1283                     );
1284
1285                 } else {
1286                     // adding a new file
1287                     operations.add(
1288                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
1289                             withValues(cv).
1290                             build()
1291                     );
1292                 }
1293             }
1294
1295             // apply operations in batch
1296             if (operations.size() > 0) {
1297                 @SuppressWarnings("unused")
1298                 ContentProviderResult[] results = null;
1299                 Log_OC.d(TAG, "Sending " + operations.size() +
1300                         " operations to FileContentProvider");
1301                 try {
1302                     if (getContentResolver() != null) {
1303                         results = getContentResolver().applyBatch(
1304                                 MainApp.getAuthority(), operations
1305                         );
1306
1307                     } else {
1308                         results = getContentProviderClient().applyBatch(operations);
1309                     }
1310
1311                 } catch (OperationApplicationException e) {
1312                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1313
1314                 } catch (RemoteException e) {
1315                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1316                 }
1317             }
1318         }
1319
1320     }
1321
1322     public void removeShare(OCShare share){
1323         Uri share_uri = ProviderTableMeta.CONTENT_URI_SHARE;
1324         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?" + " AND " +
1325                 ProviderTableMeta.FILE_PATH + "=?";
1326         String [] whereArgs = new String[]{mAccount.name, share.getPath()};
1327         if (getContentProviderClient() != null) {
1328             try {
1329                 getContentProviderClient().delete(share_uri, where, whereArgs);
1330             } catch (RemoteException e) {
1331                 e.printStackTrace();
1332             }
1333         } else {
1334             getContentResolver().delete(share_uri, where, whereArgs);
1335         }
1336     }
1337
1338     public void saveSharesDB(ArrayList<OCShare> shares) {
1339         saveShares(shares);
1340
1341         ArrayList<OCFile> sharedFiles = new ArrayList<OCFile>();
1342
1343         for (OCShare share : shares) {
1344             // Get the path
1345             String path = share.getPath();
1346             if (share.isFolder()) {
1347                 path = path + FileUtils.PATH_SEPARATOR;
1348             }
1349
1350             // Update OCFile with data from share: ShareByLink  and publicLink
1351             OCFile file = getFileByPath(path);
1352             if (file != null) {
1353                 if (share.getShareType().equals(ShareType.PUBLIC_LINK)) {
1354                     file.setShareByLink(true);
1355                     sharedFiles.add(file);
1356                 }
1357             }
1358         }
1359
1360         updateSharedFiles(sharedFiles);
1361     }
1362
1363
1364     public void saveSharesInFolder(ArrayList<OCShare> shares, OCFile folder) {
1365         cleanSharedFilesInFolder(folder);
1366         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1367         operations = prepareRemoveSharesInFolder(folder, operations);
1368
1369         if (shares != null) {
1370             // prepare operations to insert or update files to save in the given folder
1371             for (OCShare share : shares) {
1372                 ContentValues cv = new ContentValues();
1373                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1374                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1375                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1376                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1377                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1378                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1379                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1380                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1381                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1382                 cv.put(
1383                     ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1384                     share.getSharedWithDisplayName()
1385                 );
1386                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1387                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1388                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1389                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1390
1391                 /*
1392                 if (shareExists(share.getIdRemoteShared())) {
1393                     // updating an existing share resource
1394                     operations.add(
1395                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1396                             withValues(cv).
1397                             withSelection(  ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1398                                     new String[] { String.valueOf(share.getIdRemoteShared()) })
1399                                     .build());
1400
1401                 } else {
1402                 */
1403                 // adding a new share resource
1404                 operations.add(
1405                         ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1406                         withValues(cv).
1407                         build()
1408                 );
1409                 //}
1410             }
1411         }
1412
1413         // apply operations in batch
1414         if (operations.size() > 0) {
1415             @SuppressWarnings("unused")
1416             ContentProviderResult[] results = null;
1417             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1418             try {
1419                 if (getContentResolver() != null) {
1420                     results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1421
1422                 } else {
1423                     results = getContentProviderClient().applyBatch(operations);
1424                 }
1425
1426             } catch (OperationApplicationException e) {
1427                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1428
1429             } catch (RemoteException e) {
1430                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1431             }
1432         }
1433         //}
1434
1435     }
1436
1437     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFolder(
1438             OCFile folder, ArrayList<ContentProviderOperation> preparedOperations
1439             ) {
1440         if (folder != null) {
1441             String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND "
1442                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1443             String [] whereArgs = new String[]{ "", mAccount.name };
1444
1445             Vector<OCFile> files = getFolderContent(folder);
1446
1447             for (OCFile file : files) {
1448                 whereArgs[0] = file.getRemotePath();
1449                 preparedOperations.add(
1450                         ContentProviderOperation.newDelete(ProviderTableMeta.CONTENT_URI_SHARE).
1451                         withSelection(where, whereArgs).
1452                         build()
1453                 );
1454             }
1455         }
1456         return preparedOperations;
1457
1458         /*
1459         if (operations.size() > 0) {
1460             try {
1461                 if (getContentResolver() != null) {
1462                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1463
1464                 } else {
1465                     getContentProviderClient().applyBatch(operations);
1466                 }
1467
1468             } catch (OperationApplicationException e) {
1469                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1470
1471             } catch (RemoteException e) {
1472                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1473             }
1474         }
1475         */
1476
1477             /*
1478             if (getContentResolver() != null) {
1479
1480                 getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE,
1481                                             where,
1482                                             whereArgs);
1483             } else {
1484                 try {
1485                     getContentProviderClient().delete(  ProviderTableMeta.CONTENT_URI_SHARE,
1486                                                         where,
1487                                                         whereArgs);
1488
1489                 } catch (RemoteException e) {
1490                     Log_OC.e(TAG, "Exception deleting shares in a folder " + e.getMessage());
1491                 }
1492             }
1493             */
1494         //}
1495     }
1496
1497     public void triggerMediaScan(String path) {
1498         Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
1499         intent.setData(Uri.fromFile(new File(path)));
1500         MainApp.getAppContext().sendBroadcast(intent);
1501     }
1502
1503     public void deleteFileInMediaScan(OCFile file) {
1504
1505         String path = file.getStoragePath();
1506         if (file.isImage()) {
1507             // Images
1508             getContentResolver().delete(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
1509                     MediaStore.Images.Media.DATA + "=?", new String[]{path});
1510         } else if (file.isAudio()) {
1511             // Audio
1512             getContentResolver().delete(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
1513                     MediaStore.Audio.Media.DATA + "=?", new String[]{path});
1514         } else if (file.isVideo()) {
1515             // Video
1516             getContentResolver().delete(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
1517                     MediaStore.Video.Media.DATA + "=?", new String[]{path});
1518         }
1519     }
1520
1521 }