src/com/owncloud/android/datamodel/FileDataStorageManager.java

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   Copyright (C) 2012  Bartek Przybylski
   5  *   Copyright (C) 2015 ownCloud Inc.
   6  *
   7  *   This program is free software: you can redistribute it and/or modify
   8  *   it under the terms of the GNU General Public License version 2,
   9  *   as published by the Free Software Foundation.
  10  *
  11  *   This program is distributed in the hope that it will be useful,
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *   GNU General Public License for more details.
  15  *
  16  *   You should have received a copy of the GNU General Public License
  17  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  *
  19  */
  20
  21 package com.owncloud.android.datamodel;
  22
  23 import java.io.File;
  24 import java.util.ArrayList;
  25 import java.util.Collection;
  26 import java.util.Collections;
  27 import java.util.Iterator;
  28 import java.util.List;
  29 import java.util.Vector;
  30
  31 import android.accounts.Account;
  32 import android.content.ContentProviderClient;
  33 import android.content.ContentProviderOperation;
  34 import android.content.ContentProviderResult;
  35 import android.content.ContentResolver;
  36 import android.content.ContentUris;
  37 import android.content.ContentValues;
  38 import android.content.Intent;
  39 import android.content.OperationApplicationException;
  40 import android.database.Cursor;
  41 import android.net.Uri;
  42 import android.os.RemoteException;
  43 import android.provider.MediaStore;
  44
  45 import com.owncloud.android.MainApp;
  46 import com.owncloud.android.db.ProviderMeta.ProviderTableMeta;
  47 import com.owncloud.android.lib.common.utils.Log_OC;
  48 import com.owncloud.android.lib.resources.files.FileUtils;
  49 import com.owncloud.android.lib.resources.shares.OCShare;
  50 import com.owncloud.android.lib.resources.shares.ShareType;
  51 import com.owncloud.android.utils.FileStorageUtils;
  52
  53 public class FileDataStorageManager {
  54
  55     public static final int ROOT_PARENT_ID = 0;
  56
  57     private ContentResolver mContentResolver;
  58     private ContentProviderClient mContentProviderClient;
  59     private Account mAccount;
  60
  61     private static String TAG = FileDataStorageManager.class.getSimpleName();
  62
  63
  64     public FileDataStorageManager(Account account, ContentResolver cr) {
  65         mContentProviderClient = null;
  66         mContentResolver = cr;
  67         mAccount = account;
  68     }
  69
  70     public FileDataStorageManager(Account account, ContentProviderClient cp) {
  71         mContentProviderClient = cp;
  72         mContentResolver = null;
  73         mAccount = account;
  74     }
  75
  76
  77     public void setAccount(Account account) {
  78         mAccount = account;
  79     }
  80
  81     public Account getAccount() {
  82         return mAccount;
  83     }
  84
  85     public void setContentResolver(ContentResolver cr) {
  86         mContentResolver = cr;
  87     }
  88
  89     public ContentResolver getContentResolver() {
  90         return mContentResolver;
  91     }
  92
  93     public void setContentProviderClient(ContentProviderClient cp) {
  94         mContentProviderClient = cp;
  95     }
  96
  97     public ContentProviderClient getContentProviderClient() {
  98         return mContentProviderClient;
  99     }
 100
 101
 102     public OCFile getFileByPath(String path) {
 103         Cursor c = getCursorForValue(ProviderTableMeta.FILE_PATH, path);
 104         OCFile file = null;
 105         if (c.moveToFirst()) {
 106             file = createFileInstance(c);
 107         }
 108         c.close();
 109         if (file == null && OCFile.ROOT_PATH.equals(path)) {
 110             return createRootDir(); // root should always exist
 111         }
 112         return file;
 113     }
 114
 115
 116     public OCFile getFileById(long id) {
 117         Cursor c = getCursorForValue(ProviderTableMeta._ID, String.valueOf(id));
 118         OCFile file = null;
 119         if (c.moveToFirst()) {
 120             file = createFileInstance(c);
 121         }
 122         c.close();
 123         return file;
 124     }
 125
 126     public OCFile getFileByLocalPath(String path) {
 127         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 128         OCFile file = null;
 129         if (c.moveToFirst()) {
 130             file = createFileInstance(c);
 131         }
 132         c.close();
 133         return file;
 134     }
 135
 136     public boolean fileExists(long id) {
 137         return fileExists(ProviderTableMeta._ID, String.valueOf(id));
 138     }
 139
 140     public boolean fileExists(String path) {
 141         return fileExists(ProviderTableMeta.FILE_PATH, path);
 142     }
 143
 144
 145     public Vector<OCFile> getFolderContent(OCFile f, boolean onlyOnDevice) {
 146         if (f != null && f.isFolder() && f.getFileId() != -1) {
 147             return getFolderContent(f.getFileId(), onlyOnDevice);
 148
 149         } else {
 150             return new Vector<OCFile>();
 151         }
 152     }
 153
 154
 155     public Vector<OCFile> getFolderImages(OCFile folder, boolean onlyOnDevice) {
 156         Vector<OCFile> ret = new Vector<OCFile>();
 157         if (folder != null) {
 158             // TODO better implementation, filtering in the access to database instead of here
 159             Vector<OCFile> tmp = getFolderContent(folder, onlyOnDevice);
 160             OCFile current = null;
 161             for (int i=0; i<tmp.size(); i++) {
 162                 current = tmp.get(i);
 163                 if (current.isImage()) {
 164                     ret.add(current);
 165                 }
 166             }
 167         }
 168         return ret;
 169     }
 170
 171     public boolean saveFile(OCFile file) {
 172         boolean overriden = false;
 173         ContentValues cv = new ContentValues();
 174         cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 175         cv.put(
 176             ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 177             file.getModificationTimestampAtLastSyncForData()
 178         );
 179         cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 180         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 181         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 182         cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 183         //if (file.getParentId() != DataStorageManager.ROOT_PARENT_ID)
 184             cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 185         cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 186         if (!file.isFolder())
 187             cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 188         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 189         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 190         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 191         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
 192         cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 193         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
 194         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 195         cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 196         cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 197         cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
 198         cv.put(ProviderTableMeta.FILE_IS_DOWNLOADING, file.isDownloading());
 199
 200         boolean sameRemotePath = fileExists(file.getRemotePath());
 201         if (sameRemotePath ||
 202                 fileExists(file.getFileId())        ) {  // for renamed files
 203
 204             OCFile oldFile = null;
 205             if (sameRemotePath) {
 206                 oldFile = getFileByPath(file.getRemotePath());
 207                 file.setFileId(oldFile.getFileId());
 208             } else {
 209                 oldFile = getFileById(file.getFileId());
 210             }
 211
 212             overriden = true;
 213             if (getContentResolver() != null) {
 214                 getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv,
 215                         ProviderTableMeta._ID + "=?",
 216                         new String[] { String.valueOf(file.getFileId()) });
 217             } else {
 218                 try {
 219                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI,
 220                             cv, ProviderTableMeta._ID + "=?",
 221                             new String[] { String.valueOf(file.getFileId()) });
 222                 } catch (RemoteException e) {
 223                     Log_OC.e(TAG,
 224                             "Fail to insert insert file to database "
 225                                     + e.getMessage());
 226                 }
 227             }
 228         } else {
 229             Uri result_uri = null;
 230             if (getContentResolver() != null) {
 231                 result_uri = getContentResolver().insert(
 232                         ProviderTableMeta.CONTENT_URI_FILE, cv);
 233             } else {
 234                 try {
 235                     result_uri = getContentProviderClient().insert(
 236                             ProviderTableMeta.CONTENT_URI_FILE, cv);
 237                 } catch (RemoteException e) {
 238                     Log_OC.e(TAG,
 239                             "Fail to insert insert file to database "
 240                                     + e.getMessage());
 241                 }
 242             }
 243             if (result_uri != null) {
 244                 long new_id = Long.parseLong(result_uri.getPathSegments()
 245                         .get(1));
 246                 file.setFileId(new_id);
 247             }
 248         }
 249
 250 //        if (file.isFolder()) {
 251 //            updateFolderSize(file.getFileId());
 252 //        } else {
 253 //            updateFolderSize(file.getParentId());
 254 //        }
 255
 256         return overriden;
 257     }
 258
 259
 260     /**
 261      * Inserts or updates the list of files contained in a given folder.
 262      *
 263      * CALLER IS THE RESPONSIBLE FOR GRANTING RIGHT UPDATE OF INFORMATION, NOT THIS METHOD.
 264      * HERE ONLY DATA CONSISTENCY SHOULD BE GRANTED
 265      *
 266      * @param folder
 267      * @param updatedFiles
 268      * @param filesToRemove
 269      */
 270     public void saveFolder(
 271             OCFile folder, Collection<OCFile> updatedFiles, Collection<OCFile> filesToRemove
 272         ) {
 273
 274         Log_OC.d(TAG,  "Saving folder " + folder.getRemotePath() + " with " + updatedFiles.size()
 275                 + " children and " + filesToRemove.size() + " files to remove");
 276
 277         ArrayList<ContentProviderOperation> operations =
 278                 new ArrayList<ContentProviderOperation>(updatedFiles.size());
 279
 280         // prepare operations to insert or update files to save in the given folder
 281         for (OCFile file : updatedFiles) {
 282             ContentValues cv = new ContentValues();
 283             cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 284             cv.put(
 285                 ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 286                 file.getModificationTimestampAtLastSyncForData()
 287             );
 288             cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 289             cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 290             cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 291             cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 292             //cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 293             cv.put(ProviderTableMeta.FILE_PARENT, folder.getFileId());
 294             cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 295             if (!file.isFolder()) {
 296                 cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 297             }
 298             cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 299             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 300             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 301             cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
 302             cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 303             cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
 304             cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 305             cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 306             cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 307             cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
 308             cv.put(ProviderTableMeta.FILE_IS_DOWNLOADING, file.isDownloading());
 309
 310             boolean existsByPath = fileExists(file.getRemotePath());
 311             if (existsByPath || fileExists(file.getFileId())) {
 312                 // updating an existing file
 313                 operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 314                         withValues(cv).
 315                         withSelection(  ProviderTableMeta._ID + "=?",
 316                                 new String[] { String.valueOf(file.getFileId()) })
 317                                 .build());
 318
 319             } else {
 320                 // adding a new file
 321                 operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
 322                         withValues(cv).build());
 323             }
 324         }
 325
 326         // prepare operations to remove files in the given folder
 327         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 328                 ProviderTableMeta.FILE_PATH + "=?";
 329         String [] whereArgs = null;
 330         for (OCFile file : filesToRemove) {
 331             if (file.getParentId() == folder.getFileId()) {
 332                 whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 333                 //Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE, "" + file.getFileId());
 334                 if (file.isFolder()) {
 335                     operations.add(ContentProviderOperation.newDelete(
 336                             ContentUris.withAppendedId(
 337                                     ProviderTableMeta.CONTENT_URI_DIR, file.getFileId()
 338                             )
 339                     ).withSelection(where, whereArgs).build());
 340
 341                     File localFolder =
 342                             new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 343                     if (localFolder.exists()) {
 344                         removeLocalFolder(localFolder);
 345                     }
 346                 } else {
 347                     operations.add(ContentProviderOperation.newDelete(
 348                             ContentUris.withAppendedId(
 349                                     ProviderTableMeta.CONTENT_URI_FILE, file.getFileId()
 350                             )
 351                     ).withSelection(where, whereArgs).build());
 352
 353                     if (file.isDown()) {
 354                         String path = file.getStoragePath();
 355                         new File(path).delete();
 356                         triggerMediaScan(path); // notify MediaScanner about removed file
 357                     }
 358                 }
 359             }
 360         }
 361
 362         // update metadata of folder
 363         ContentValues cv = new ContentValues();
 364         cv.put(ProviderTableMeta.FILE_MODIFIED, folder.getModificationTimestamp());
 365         cv.put(
 366             ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 367             folder.getModificationTimestampAtLastSyncForData()
 368         );
 369         cv.put(ProviderTableMeta.FILE_CREATION, folder.getCreationTimestamp());
 370         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, 0);
 371         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, folder.getMimetype());
 372         cv.put(ProviderTableMeta.FILE_NAME, folder.getFileName());
 373         cv.put(ProviderTableMeta.FILE_PARENT, folder.getParentId());
 374         cv.put(ProviderTableMeta.FILE_PATH, folder.getRemotePath());
 375         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 376         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, folder.getLastSyncDateForProperties());
 377         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, folder.getLastSyncDateForData());
 378         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, folder.keepInSync() ? 1 : 0);
 379         cv.put(ProviderTableMeta.FILE_ETAG, folder.getEtag());
 380         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, folder.isShareByLink() ? 1 : 0);
 381         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, folder.getPublicLink());
 382         cv.put(ProviderTableMeta.FILE_PERMISSIONS, folder.getPermissions());
 383         cv.put(ProviderTableMeta.FILE_REMOTE_ID, folder.getRemoteId());
 384
 385         operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 386                 withValues(cv).
 387                 withSelection(  ProviderTableMeta._ID + "=?",
 388                         new String[] { String.valueOf(folder.getFileId()) })
 389                         .build());
 390
 391         // apply operations in batch
 392         ContentProviderResult[] results = null;
 393         Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
 394         try {
 395             if (getContentResolver() != null) {
 396                 results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 397
 398             } else {
 399                 results = getContentProviderClient().applyBatch(operations);
 400             }
 401
 402         } catch (OperationApplicationException e) {
 403             Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
 404
 405         } catch (RemoteException e) {
 406             Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
 407         }
 408
 409         // update new id in file objects for insertions
 410         if (results != null) {
 411             long newId;
 412             Iterator<OCFile> filesIt = updatedFiles.iterator();
 413             OCFile file = null;
 414             for (int i=0; i<results.length; i++) {
 415                 if (filesIt.hasNext()) {
 416                     file = filesIt.next();
 417                 } else {
 418                     file = null;
 419                 }
 420                 if (results[i].uri != null) {
 421                     newId = Long.parseLong(results[i].uri.getPathSegments().get(1));
 422                     //updatedFiles.get(i).setFileId(newId);
 423                     if (file != null) {
 424                         file.setFileId(newId);
 425                     }
 426                 }
 427             }
 428         }
 429
 430         //updateFolderSize(folder.getFileId());
 431
 432     }
 433
 434
 435 //    /**
 436 //     *
 437 //     * @param id
 438 //     */
 439 //    private void updateFolderSize(long id) {
 440 //        if (id > FileDataStorageManager.ROOT_PARENT_ID) {
 441 //            Log_OC.d(TAG, "Updating size of " + id);
 442 //            if (getContentResolver() != null) {
 443 //                getContentResolver().update(ProviderTableMeta.CONTENT_URI_DIR,
 444 //                        new ContentValues(),
 445                             // won't be used, but cannot be null; crashes in KLP
 446 //                        ProviderTableMeta._ID + "=?",
 447 //                        new String[] { String.valueOf(id) });
 448 //            } else {
 449 //                try {
 450 //                    getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_DIR,
 451 //                            new ContentValues(),
 452                                 // won't be used, but cannot be null; crashes in KLP
 453 //                            ProviderTableMeta._ID + "=?",
 454 //                            new String[] { String.valueOf(id) });
 455 //
 456 //                } catch (RemoteException e) {
 457 //                    Log_OC.e(
 458 //    TAG, "Exception in update of folder size through compatibility patch " + e.getMessage());
 459 //                }
 460 //            }
 461 //        } else {
 462 //            Log_OC.e(TAG,  "not updating size for folder " + id);
 463 //        }
 464 //    }
 465
 466
 467     public boolean removeFile(OCFile file, boolean removeDBData, boolean removeLocalCopy) {
 468         boolean success = true;
 469         if (file != null) {
 470             if (file.isFolder()) {
 471                 success = removeFolder(file, removeDBData, removeLocalCopy);
 472
 473             } else {
 474                 if (removeDBData) {
 475                     Uri file_uri = ContentUris.withAppendedId(
 476                         ProviderTableMeta.CONTENT_URI_FILE,
 477                         file.getFileId()
 478                     );
 479                     String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 480                             ProviderTableMeta.FILE_PATH + "=?";
 481                     String [] whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 482                     int deleted = 0;
 483                     if (getContentProviderClient() != null) {
 484                         try {
 485                             deleted = getContentProviderClient().delete(file_uri, where, whereArgs);
 486                         } catch (RemoteException e) {
 487                             e.printStackTrace();
 488                         }
 489                     } else {
 490                         deleted = getContentResolver().delete(file_uri, where, whereArgs);
 491                     }
 492                     success &= (deleted > 0);
 493                 }
 494                 String localPath = file.getStoragePath();
 495                 if (removeLocalCopy && file.isDown() && localPath != null && success) {
 496                     success = new File(localPath).delete();
 497                     if (success) {
 498                         deleteFileInMediaScan(localPath);
 499                     }
 500                     if (!removeDBData && success) {
 501                         // maybe unnecessary, but should be checked TODO remove if unnecessary
 502                         file.setStoragePath(null);
 503                         saveFile(file);
 504                     }
 505                 }
 506             }
 507         }
 508         return success;
 509     }
 510
 511
 512     public boolean removeFolder(OCFile folder, boolean removeDBData, boolean removeLocalContent) {
 513         boolean success = true;
 514         if (folder != null && folder.isFolder()) {
 515             if (removeDBData &&  folder.getFileId() != -1) {
 516                 success = removeFolderInDb(folder);
 517             }
 518             if (removeLocalContent && success) {
 519                 success = removeLocalFolder(folder);
 520             }
 521         }
 522         return success;
 523     }
 524
 525     private boolean removeFolderInDb(OCFile folder) {
 526         Uri folder_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, "" +
 527                 folder.getFileId());   // URI for recursive deletion
 528         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 529                 ProviderTableMeta.FILE_PATH + "=?";
 530         String [] whereArgs = new String[]{mAccount.name, folder.getRemotePath()};
 531         int deleted = 0;
 532         if (getContentProviderClient() != null) {
 533             try {
 534                 deleted = getContentProviderClient().delete(folder_uri, where, whereArgs);
 535             } catch (RemoteException e) {
 536                 e.printStackTrace();
 537             }
 538         } else {
 539             deleted = getContentResolver().delete(folder_uri, where, whereArgs);
 540         }
 541         return deleted > 0;
 542     }
 543
 544     private boolean removeLocalFolder(OCFile folder) {
 545         boolean success = true;
 546         String localFolderPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, folder);
 547         File localFolder = new File(localFolderPath);
 548         if (localFolder.exists()) {
 549             // stage 1: remove the local files already registered in the files database
 550             Vector<OCFile> files = getFolderContent(folder.getFileId(), false);
 551             if (files != null) {
 552                 for (OCFile file : files) {
 553                     if (file.isFolder()) {
 554                         success &= removeLocalFolder(file);
 555                     } else {
 556                         if (file.isDown()) {
 557                             File localFile = new File(file.getStoragePath());
 558                             success &= localFile.delete();
 559                             if (success) {
 560                                 // notify MediaScanner about removed file
 561                                 deleteFileInMediaScan(file.getStoragePath());
 562                                 file.setStoragePath(null);
 563                                 saveFile(file);
 564                             }
 565                         }
 566                     }
 567                 }
 568             }
 569
 570             // stage 2: remove the folder itself and any local file inside out of sync;
 571             //          for instance, after clearing the app cache or reinstalling
 572             success &= removeLocalFolder(localFolder);
 573         }
 574         return success;
 575     }
 576
 577     private boolean removeLocalFolder(File localFolder) {
 578         boolean success = true;
 579         File[] localFiles = localFolder.listFiles();
 580         if (localFiles != null) {
 581             for (File localFile : localFiles) {
 582                 if (localFile.isDirectory()) {
 583                     success &= removeLocalFolder(localFile);
 584                 } else {
 585                     String path = localFile.getAbsolutePath();
 586                     success &= localFile.delete();
 587                 }
 588             }
 589         }
 590         success &= localFolder.delete();
 591         return success;
 592     }
 593
 594
 595     /**
 596      * Updates database and file system for a file or folder that was moved to a different location.
 597      *
 598      * TODO explore better (faster) implementations
 599      * TODO throw exceptions up !
 600      */
 601     public void moveLocalFile(OCFile file, String targetPath, String targetParentPath) {
 602
 603         if (file != null && file.fileExists() && !OCFile.ROOT_PATH.equals(file.getFileName())) {
 604
 605             OCFile targetParent = getFileByPath(targetParentPath);
 606             if (targetParent == null) {
 607                 throw new IllegalStateException("Parent folder of the target path does not exist!!");
 608             }
 609
 610             /// 1. get all the descendants of the moved element in a single QUERY
 611             Cursor c = null;
 612             if (getContentProviderClient() != null) {
 613                 try {
 614                     c = getContentProviderClient().query(
 615                         ProviderTableMeta.CONTENT_URI,
 616                         null,
 617                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 618                                 ProviderTableMeta.FILE_PATH + " LIKE ? ",
 619                         new String[] {
 620                                 mAccount.name,
 621                                 file.getRemotePath() + "%"
 622                         },
 623                         ProviderTableMeta.FILE_PATH + " ASC "
 624                     );
 625                 } catch (RemoteException e) {
 626                     Log_OC.e(TAG, e.getMessage());
 627                 }
 628
 629             } else {
 630                 c = getContentResolver().query(
 631                     ProviderTableMeta.CONTENT_URI,
 632                     null,
 633                     ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 634                             ProviderTableMeta.FILE_PATH + " LIKE ? ",
 635                     new String[] {
 636                             mAccount.name,
 637                             file.getRemotePath() + "%"
 638                     },
 639                     ProviderTableMeta.FILE_PATH + " ASC "
 640                 );
 641             }
 642
 643             /// 2. prepare a batch of update operations to change all the descendants
 644             ArrayList<ContentProviderOperation> operations =
 645                     new ArrayList<ContentProviderOperation>(c.getCount());
 646             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 647             List<String> originalPathsToTriggerMediaScan = new ArrayList<String>();
 648             List<String> newPathsToTriggerMediaScan = new ArrayList<String>();
 649             if (c.moveToFirst()) {
 650                 int lengthOfOldPath = file.getRemotePath().length();
 651                 int lengthOfOldStoragePath = defaultSavePath.length() + lengthOfOldPath;
 652                 do {
 653                     ContentValues cv = new ContentValues(); // keep construction in the loop
 654                     OCFile child = createFileInstance(c);
 655                     cv.put(
 656                         ProviderTableMeta.FILE_PATH,
 657                         targetPath + child.getRemotePath().substring(lengthOfOldPath)
 658                     );
 659                     if (child.getStoragePath() != null &&
 660                             child.getStoragePath().startsWith(defaultSavePath)) {
 661                         // update link to downloaded content - but local move is not done here!
 662                         String targetLocalPath = defaultSavePath + targetPath +
 663                                 child.getStoragePath().substring(lengthOfOldStoragePath);
 664
 665                         cv.put(ProviderTableMeta.FILE_STORAGE_PATH, targetLocalPath);
 666
 667                         originalPathsToTriggerMediaScan.add(child.getStoragePath());
 668                         newPathsToTriggerMediaScan.add(targetLocalPath);
 669
 670                     }
 671                     if (child.getRemotePath().equals(file.getRemotePath())) {
 672                         cv.put(
 673                                 ProviderTableMeta.FILE_PARENT,
 674                                 targetParent.getFileId()
 675                             );
 676                     }
 677                     operations.add(
 678                         ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 679                             withValues(cv).
 680                             withSelection(
 681                                     ProviderTableMeta._ID + "=?",
 682                                     new String[] { String.valueOf(child.getFileId()) }
 683                                     )
 684                             .build());
 685
 686                 } while (c.moveToNext());
 687             }
 688             c.close();
 689
 690             /// 3. apply updates in batch
 691             try {
 692                 if (getContentResolver() != null) {
 693                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 694
 695                 } else {
 696                     getContentProviderClient().applyBatch(operations);
 697                 }
 698
 699             } catch (Exception e) {
 700                 Log_OC.e(TAG, "Fail to update " + file.getFileId() + " and descendants in database", e);
 701             }
 702
 703             /// 4. move in local file system
 704             String originalLocalPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, file);
 705             String targetLocalPath = defaultSavePath + targetPath;
 706             File localFile = new File(originalLocalPath);
 707             boolean renamed = false;
 708             if (localFile.exists()) {
 709                 File targetFile = new File(targetLocalPath);
 710                 File targetFolder = targetFile.getParentFile();
 711                 if (!targetFolder.exists()) {
 712                     targetFolder.mkdirs();
 713                 }
 714                 renamed = localFile.renameTo(targetFile);
 715             }
 716
 717             if (renamed) {
 718                 Iterator<String> it = originalPathsToTriggerMediaScan.iterator();
 719                 while (it.hasNext()) {
 720                     // Notify MediaScanner about removed file
 721                     deleteFileInMediaScan(it.next());
 722                 }
 723                 it = newPathsToTriggerMediaScan.iterator();
 724                 while (it.hasNext()) {
 725                     // Notify MediaScanner about new file/folder
 726                     triggerMediaScan(it.next());
 727                 }
 728             }
 729         }
 730
 731     }
 732
 733
 734     private Vector<OCFile> getFolderContent(long parentId, boolean onlyOnDevice) {
 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                 if (child.isFolder() || !onlyOnDevice || onlyOnDevice && child.isDown()){
 762                     ret.add(child);
 763                 }
 764             } while (c.moveToNext());
 765         }
 766
 767         c.close();
 768
 769         Collections.sort(ret);
 770
 771         return ret;
 772     }
 773
 774
 775     private OCFile createRootDir() {
 776         OCFile file = new OCFile(OCFile.ROOT_PATH);
 777         file.setMimetype("DIR");
 778         file.setParentId(FileDataStorageManager.ROOT_PARENT_ID);
 779         saveFile(file);
 780         return file;
 781     }
 782
 783     private boolean fileExists(String cmp_key, String value) {
 784         Cursor c;
 785         if (getContentResolver() != null) {
 786             c = getContentResolver()
 787                     .query(ProviderTableMeta.CONTENT_URI,
 788                             null,
 789                             cmp_key + "=? AND "
 790                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 791                                     + "=?",
 792                                     new String[] { value, mAccount.name }, null);
 793         } else {
 794             try {
 795                 c = getContentProviderClient().query(
 796                         ProviderTableMeta.CONTENT_URI,
 797                         null,
 798                         cmp_key + "=? AND "
 799                                 + ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
 800                                 new String[] { value, mAccount.name }, null);
 801             } catch (RemoteException e) {
 802                 Log_OC.e(TAG,
 803                         "Couldn't determine file existance, assuming non existance: "
 804                                 + e.getMessage());
 805                 return false;
 806             }
 807         }
 808         boolean retval = c.moveToFirst();
 809         c.close();
 810         return retval;
 811     }
 812
 813     private Cursor getCursorForValue(String key, String value) {
 814         Cursor c = null;
 815         if (getContentResolver() != null) {
 816             c = getContentResolver()
 817                     .query(ProviderTableMeta.CONTENT_URI,
 818                             null,
 819                             key + "=? AND "
 820                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 821                                     + "=?",
 822                                     new String[] { value, mAccount.name }, null);
 823         } else {
 824             try {
 825                 c = getContentProviderClient().query(
 826                         ProviderTableMeta.CONTENT_URI,
 827                         null,
 828                         key + "=? AND " + ProviderTableMeta.FILE_ACCOUNT_OWNER
 829                         + "=?", new String[] { value, mAccount.name },
 830                         null);
 831             } catch (RemoteException e) {
 832                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 833                 c = null;
 834             }
 835         }
 836         return c;
 837     }
 838
 839
 840     private OCFile createFileInstance(Cursor c) {
 841         OCFile file = null;
 842         if (c != null) {
 843             file = new OCFile(c.getString(c
 844                     .getColumnIndex(ProviderTableMeta.FILE_PATH)));
 845             file.setFileId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
 846             file.setParentId(c.getLong(c
 847                     .getColumnIndex(ProviderTableMeta.FILE_PARENT)));
 848             file.setMimetype(c.getString(c
 849                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE)));
 850             if (!file.isFolder()) {
 851                 file.setStoragePath(c.getString(c
 852                         .getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH)));
 853                 if (file.getStoragePath() == null) {
 854                     // try to find existing file and bind it with current account;
 855                     // with the current update of SynchronizeFolderOperation, this won't be
 856                     // necessary anymore after a full synchronization of the account
 857                     File f = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 858                     if (f.exists()) {
 859                         file.setStoragePath(f.getAbsolutePath());
 860                         file.setLastSyncDateForData(f.lastModified());
 861                     }
 862                 }
 863             }
 864             file.setFileLength(c.getLong(c
 865                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH)));
 866             file.setCreationTimestamp(c.getLong(c
 867                     .getColumnIndex(ProviderTableMeta.FILE_CREATION)));
 868             file.setModificationTimestamp(c.getLong(c
 869                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED)));
 870             file.setModificationTimestampAtLastSyncForData(c.getLong(c
 871                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA)));
 872             file.setLastSyncDateForProperties(c.getLong(c
 873                     .getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE)));
 874             file.setLastSyncDateForData(c.getLong(c.
 875                     getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA)));
 876             file.setKeepInSync(c.getInt(
 877                     c.getColumnIndex(ProviderTableMeta.FILE_KEEP_IN_SYNC)) == 1 ? true : false);
 878             file.setEtag(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG)));
 879             file.setShareByLink(c.getInt(
 880                     c.getColumnIndex(ProviderTableMeta.FILE_SHARE_BY_LINK)) == 1 ? true : false);
 881             file.setPublicLink(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PUBLIC_LINK)));
 882             file.setPermissions(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PERMISSIONS)));
 883             file.setRemoteId(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_REMOTE_ID)));
 884             file.setNeedsUpdateThumbnail(c.getInt(
 885                     c.getColumnIndex(ProviderTableMeta.FILE_UPDATE_THUMBNAIL)) == 1 ? true : false);
 886             file.setDownloading(c.getInt(
 887                     c.getColumnIndex(ProviderTableMeta.FILE_IS_DOWNLOADING)) == 1 ? true : false);
 888
 889         }
 890         return file;
 891     }
 892
 893     /**
 894      * Returns if the file/folder is shared by link or not
 895      * @param path  Path of the file/folder
 896      * @return
 897      */
 898     public boolean isShareByLink(String path) {
 899         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 900         OCFile file = null;
 901         if (c.moveToFirst()) {
 902             file = createFileInstance(c);
 903         }
 904         c.close();
 905         return file.isShareByLink();
 906     }
 907
 908     /**
 909      * Returns the public link of the file/folder
 910      * @param path  Path of the file/folder
 911      * @return
 912      */
 913     public String getPublicLink(String path) {
 914         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 915         OCFile file = null;
 916         if (c.moveToFirst()) {
 917             file = createFileInstance(c);
 918         }
 919         c.close();
 920         return file.getPublicLink();
 921     }
 922
 923
 924     // Methods for Shares
 925     public boolean saveShare(OCShare share) {
 926         boolean overriden = false;
 927         ContentValues cv = new ContentValues();
 928         cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
 929         cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
 930         cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
 931         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
 932         cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
 933         cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
 934         cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
 935         cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
 936         cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
 937         cv.put(
 938             ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
 939             share.getSharedWithDisplayName()
 940         );
 941         cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
 942         cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
 943         cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
 944         cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
 945
 946         if (shareExists(share.getIdRemoteShared())) {   // for renamed files
 947
 948             overriden = true;
 949             if (getContentResolver() != null) {
 950                 getContentResolver().update(ProviderTableMeta.CONTENT_URI_SHARE, cv,
 951                         ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 952                         new String[] { String.valueOf(share.getIdRemoteShared()) });
 953             } else {
 954                 try {
 955                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_SHARE,
 956                             cv, ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 957                             new String[] { String.valueOf(share.getIdRemoteShared()) });
 958                 } catch (RemoteException e) {
 959                     Log_OC.e(TAG,
 960                             "Fail to insert insert file to database "
 961                                     + e.getMessage());
 962                 }
 963             }
 964         } else {
 965             Uri result_uri = null;
 966             if (getContentResolver() != null) {
 967                 result_uri = getContentResolver().insert(
 968                         ProviderTableMeta.CONTENT_URI_SHARE, cv);
 969             } else {
 970                 try {
 971                     result_uri = getContentProviderClient().insert(
 972                             ProviderTableMeta.CONTENT_URI_SHARE, cv);
 973                 } catch (RemoteException e) {
 974                     Log_OC.e(TAG,
 975                             "Fail to insert insert file to database "
 976                                     + e.getMessage());
 977                 }
 978             }
 979             if (result_uri != null) {
 980                 long new_id = Long.parseLong(result_uri.getPathSegments()
 981                         .get(1));
 982                 share.setId(new_id);
 983             }
 984         }
 985
 986         return overriden;
 987     }
 988
 989
 990     public OCShare getFirstShareByPathAndType(String path, ShareType type) {
 991         Cursor c = null;
 992         if (getContentResolver() != null) {
 993             c = getContentResolver().query(
 994                     ProviderTableMeta.CONTENT_URI_SHARE,
 995                     null,
 996                     ProviderTableMeta.OCSHARES_PATH + "=? AND "
 997                             + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
 998                             + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
 999                     new String[] { path, Integer.toString(type.getValue()), mAccount.name },
1000                     null);
1001         } else {
1002             try {
1003                 c = getContentProviderClient().query(
1004                         ProviderTableMeta.CONTENT_URI_SHARE,
1005                         null,
1006                         ProviderTableMeta.OCSHARES_PATH + "=? AND "
1007                                 + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
1008                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1009                         new String[] { path, Integer.toString(type.getValue()), mAccount.name },
1010                         null);
1011
1012             } catch (RemoteException e) {
1013                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
1014                 c = null;
1015             }
1016         }
1017         OCShare share = null;
1018         if (c.moveToFirst()) {
1019             share = createShareInstance(c);
1020         }
1021         c.close();
1022         return share;
1023     }
1024
1025     private OCShare createShareInstance(Cursor c) {
1026         OCShare share = null;
1027         if (c != null) {
1028             share = new OCShare(c.getString(c
1029                     .getColumnIndex(ProviderTableMeta.OCSHARES_PATH)));
1030             share.setId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
1031             share.setFileSource(c.getLong(c
1032                     .getColumnIndex(ProviderTableMeta.OCSHARES_ITEM_SOURCE)));
1033             share.setShareType(ShareType.fromValue(c.getInt(c
1034                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_TYPE))));
1035             share.setPermissions(c.getInt(c
1036                     .getColumnIndex(ProviderTableMeta.OCSHARES_PERMISSIONS)));
1037             share.setSharedDate(c.getLong(c
1038                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARED_DATE)));
1039             share.setExpirationDate(c.getLong(c
1040                     .getColumnIndex(ProviderTableMeta.OCSHARES_EXPIRATION_DATE)));
1041             share.setToken(c.getString(c
1042                     .getColumnIndex(ProviderTableMeta.OCSHARES_TOKEN)));
1043             share.setSharedWithDisplayName(c.getString(c
1044                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME)));
1045             share.setIsFolder(c.getInt(
1046                     c.getColumnIndex(ProviderTableMeta.OCSHARES_IS_DIRECTORY)) == 1 ? true : false);
1047             share.setUserId(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_USER_ID)));
1048             share.setIdRemoteShared(
1049                 c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED))
1050             );
1051
1052         }
1053         return share;
1054     }
1055
1056     private boolean shareExists(String cmp_key, String value) {
1057         Cursor c;
1058         if (getContentResolver() != null) {
1059             c = getContentResolver()
1060                     .query(ProviderTableMeta.CONTENT_URI_SHARE,
1061                             null,
1062                             cmp_key + "=? AND "
1063                                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
1064                                     + "=?",
1065                                     new String[] { value, mAccount.name }, null);
1066         } else {
1067             try {
1068                 c = getContentProviderClient().query(
1069                         ProviderTableMeta.CONTENT_URI_SHARE,
1070                         null,
1071                         cmp_key + "=? AND "
1072                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1073                                 new String[] { value, mAccount.name }, null);
1074             } catch (RemoteException e) {
1075                 Log_OC.e(TAG,
1076                         "Couldn't determine file existance, assuming non existance: "
1077                                 + e.getMessage());
1078                 return false;
1079             }
1080         }
1081         boolean retval = c.moveToFirst();
1082         c.close();
1083         return retval;
1084     }
1085
1086     private boolean shareExists(long remoteId) {
1087         return shareExists(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, String.valueOf(remoteId));
1088     }
1089
1090     private void cleanSharedFiles() {
1091         ContentValues cv = new ContentValues();
1092         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
1093         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1094         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?";
1095         String [] whereArgs = new String[]{mAccount.name};
1096
1097         if (getContentResolver() != null) {
1098             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1099
1100         } else {
1101             try {
1102                 getContentProviderClient().update(
1103                         ProviderTableMeta.CONTENT_URI, cv, where, whereArgs
1104                 );
1105
1106             } catch (RemoteException e) {
1107                 Log_OC.e(TAG, "Exception in cleanSharedFiles" + e.getMessage());
1108             }
1109         }
1110     }
1111
1112     private void cleanSharedFilesInFolder(OCFile folder) {
1113         ContentValues cv = new ContentValues();
1114         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
1115         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1116         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1117                 ProviderTableMeta.FILE_PARENT + "=?";
1118         String [] whereArgs = new String[] { mAccount.name , String.valueOf(folder.getFileId()) };
1119
1120         if (getContentResolver() != null) {
1121             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1122
1123         } else {
1124             try {
1125                 getContentProviderClient().update(
1126                         ProviderTableMeta.CONTENT_URI, cv, where, whereArgs
1127                 );
1128
1129             } catch (RemoteException e) {
1130                 Log_OC.e(TAG, "Exception in cleanSharedFilesInFolder " + e.getMessage());
1131             }
1132         }
1133     }
1134
1135     private void cleanShares() {
1136         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1137         String [] whereArgs = new String[]{mAccount.name};
1138
1139         if (getContentResolver() != null) {
1140             getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1141
1142         } else {
1143             try {
1144                 getContentProviderClient().delete(
1145                         ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs
1146                 );
1147
1148             } catch (RemoteException e) {
1149                 Log_OC.e(TAG, "Exception in cleanShares" + e.getMessage());
1150             }
1151         }
1152     }
1153
1154     public void saveShares(Collection<OCShare> shares) {
1155         cleanShares();
1156         if (shares != null) {
1157             ArrayList<ContentProviderOperation> operations =
1158                     new ArrayList<ContentProviderOperation>(shares.size());
1159
1160             // prepare operations to insert or update files to save in the given folder
1161             for (OCShare share : shares) {
1162                 ContentValues cv = new ContentValues();
1163                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1164                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1165                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1166                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1167                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1168                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1169                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1170                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1171                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1172                 cv.put(
1173                     ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1174                     share.getSharedWithDisplayName()
1175                 );
1176                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1177                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1178                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1179                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1180
1181                 if (shareExists(share.getIdRemoteShared())) {
1182                     // updating an existing file
1183                     operations.add(
1184                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1185                             withValues(cv).
1186                             withSelection(
1187                                     ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1188                                     new String[] { String.valueOf(share.getIdRemoteShared()) }
1189                             ).
1190                             build()
1191                     );
1192
1193                 } else {
1194                     // adding a new file
1195                     operations.add(
1196                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1197                             withValues(cv).
1198                             build()
1199                     );
1200                 }
1201             }
1202
1203             // apply operations in batch
1204             if (operations.size() > 0) {
1205                 @SuppressWarnings("unused")
1206                 ContentProviderResult[] results = null;
1207                 Log_OC.d(TAG, "Sending " + operations.size() +
1208                         " operations to FileContentProvider");
1209                 try {
1210                     if (getContentResolver() != null) {
1211                         results = getContentResolver().applyBatch(
1212                                 MainApp.getAuthority(), operations
1213                         );
1214
1215                     } else {
1216                         results = getContentProviderClient().applyBatch(operations);
1217                     }
1218
1219                 } catch (OperationApplicationException e) {
1220                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1221
1222                 } catch (RemoteException e) {
1223                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1224                 }
1225             }
1226         }
1227
1228     }
1229
1230     public void updateSharedFiles(Collection<OCFile> sharedFiles) {
1231         cleanSharedFiles();
1232
1233         if (sharedFiles != null) {
1234             ArrayList<ContentProviderOperation> operations =
1235                     new ArrayList<ContentProviderOperation>(sharedFiles.size());
1236
1237             // prepare operations to insert or update files to save in the given folder
1238             for (OCFile file : sharedFiles) {
1239                 ContentValues cv = new ContentValues();
1240                 cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
1241                 cv.put(
1242                     ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
1243                     file.getModificationTimestampAtLastSyncForData()
1244                 );
1245                 cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
1246                 cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
1247                 cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
1248                 cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
1249                 cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
1250                 cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
1251                 if (!file.isFolder()) {
1252                     cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
1253                 }
1254                 cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
1255                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
1256                 cv.put(
1257                     ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA,
1258                     file.getLastSyncDateForData()
1259                 );
1260                 cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
1261                 cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
1262                 cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
1263                 cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
1264                 cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
1265                 cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
1266                 cv.put(
1267                     ProviderTableMeta.FILE_UPDATE_THUMBNAIL,
1268                     file.needsUpdateThumbnail() ? 1 : 0
1269                 );
1270                 cv.put(
1271                         ProviderTableMeta.FILE_IS_DOWNLOADING,
1272                         file.isDownloading() ? 1 : 0
1273                 );
1274
1275                 boolean existsByPath = fileExists(file.getRemotePath());
1276                 if (existsByPath || fileExists(file.getFileId())) {
1277                     // updating an existing file
1278                     operations.add(
1279                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
1280                             withValues(cv).
1281                             withSelection(
1282                                     ProviderTableMeta._ID + "=?",
1283                                     new String[] { String.valueOf(file.getFileId()) }
1284                             ).build()
1285                     );
1286
1287                 } else {
1288                     // adding a new file
1289                     operations.add(
1290                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
1291                             withValues(cv).
1292                             build()
1293                     );
1294                 }
1295             }
1296
1297             // apply operations in batch
1298             if (operations.size() > 0) {
1299                 @SuppressWarnings("unused")
1300                 ContentProviderResult[] results = null;
1301                 Log_OC.d(TAG, "Sending " + operations.size() +
1302                         " operations to FileContentProvider");
1303                 try {
1304                     if (getContentResolver() != null) {
1305                         results = getContentResolver().applyBatch(
1306                                 MainApp.getAuthority(), operations
1307                         );
1308
1309                     } else {
1310                         results = getContentProviderClient().applyBatch(operations);
1311                     }
1312
1313                 } catch (OperationApplicationException e) {
1314                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1315
1316                 } catch (RemoteException e) {
1317                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1318                 }
1319             }
1320         }
1321
1322     }
1323
1324     public void removeShare(OCShare share){
1325         Uri share_uri = ProviderTableMeta.CONTENT_URI_SHARE;
1326         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?" + " AND " +
1327                 ProviderTableMeta.FILE_PATH + "=?";
1328         String [] whereArgs = new String[]{mAccount.name, share.getPath()};
1329         if (getContentProviderClient() != null) {
1330             try {
1331                 getContentProviderClient().delete(share_uri, where, whereArgs);
1332             } catch (RemoteException e) {
1333                 e.printStackTrace();
1334             }
1335         } else {
1336             getContentResolver().delete(share_uri, where, whereArgs);
1337         }
1338     }
1339
1340     public void saveSharesDB(ArrayList<OCShare> shares) {
1341         saveShares(shares);
1342
1343         ArrayList<OCFile> sharedFiles = new ArrayList<OCFile>();
1344
1345         for (OCShare share : shares) {
1346             // Get the path
1347             String path = share.getPath();
1348             if (share.isFolder()) {
1349                 path = path + FileUtils.PATH_SEPARATOR;
1350             }
1351
1352             // Update OCFile with data from share: ShareByLink  and publicLink
1353             OCFile file = getFileByPath(path);
1354             if (file != null) {
1355                 if (share.getShareType().equals(ShareType.PUBLIC_LINK)) {
1356                     file.setShareByLink(true);
1357                     sharedFiles.add(file);
1358                 }
1359             }
1360         }
1361
1362         updateSharedFiles(sharedFiles);
1363     }
1364
1365
1366     public void saveSharesInFolder(ArrayList<OCShare> shares, OCFile folder) {
1367         cleanSharedFilesInFolder(folder);
1368         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1369         operations = prepareRemoveSharesInFolder(folder, operations);
1370
1371         if (shares != null) {
1372             // prepare operations to insert or update files to save in the given folder
1373             for (OCShare share : shares) {
1374                 ContentValues cv = new ContentValues();
1375                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1376                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1377                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1378                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1379                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1380                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1381                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1382                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1383                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1384                 cv.put(
1385                     ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1386                     share.getSharedWithDisplayName()
1387                 );
1388                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1389                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1390                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1391                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1392
1393                 /*
1394                 if (shareExists(share.getIdRemoteShared())) {
1395                     // updating an existing share resource
1396                     operations.add(
1397                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1398                             withValues(cv).
1399                             withSelection(  ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1400                                     new String[] { String.valueOf(share.getIdRemoteShared()) })
1401                                     .build());
1402
1403                 } else {
1404                 */
1405                 // adding a new share resource
1406                 operations.add(
1407                         ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1408                         withValues(cv).
1409                         build()
1410                 );
1411                 //}
1412             }
1413         }
1414
1415         // apply operations in batch
1416         if (operations.size() > 0) {
1417             @SuppressWarnings("unused")
1418             ContentProviderResult[] results = null;
1419             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1420             try {
1421                 if (getContentResolver() != null) {
1422                     results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1423
1424                 } else {
1425                     results = getContentProviderClient().applyBatch(operations);
1426                 }
1427
1428             } catch (OperationApplicationException e) {
1429                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1430
1431             } catch (RemoteException e) {
1432                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1433             }
1434         }
1435         //}
1436
1437     }
1438
1439     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFolder(
1440             OCFile folder, ArrayList<ContentProviderOperation> preparedOperations) {
1441         if (folder != null) {
1442             String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND "
1443                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1444             String [] whereArgs = new String[]{ "", mAccount.name };
1445
1446             Vector<OCFile> files = getFolderContent(folder, false);
1447
1448             for (OCFile file : files) {
1449                 whereArgs[0] = file.getRemotePath();
1450                 preparedOperations.add(
1451                         ContentProviderOperation.newDelete(ProviderTableMeta.CONTENT_URI_SHARE).
1452                         withSelection(where, whereArgs).
1453                         build()
1454                 );
1455             }
1456         }
1457         return preparedOperations;
1458
1459         /*
1460         if (operations.size() > 0) {
1461             try {
1462                 if (getContentResolver() != null) {
1463                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1464
1465                 } else {
1466                     getContentProviderClient().applyBatch(operations);
1467                 }
1468
1469             } catch (OperationApplicationException e) {
1470                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1471
1472             } catch (RemoteException e) {
1473                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1474             }
1475         }
1476         */
1477
1478             /*
1479             if (getContentResolver() != null) {
1480
1481                 getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE,
1482                                             where,
1483                                             whereArgs);
1484             } else {
1485                 try {
1486                     getContentProviderClient().delete(  ProviderTableMeta.CONTENT_URI_SHARE,
1487                                                         where,
1488                                                         whereArgs);
1489
1490                 } catch (RemoteException e) {
1491                     Log_OC.e(TAG, "Exception deleting shares in a folder " + e.getMessage());
1492                 }
1493             }
1494             */
1495         //}
1496     }
1497
1498     public void triggerMediaScan(String path) {
1499         Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
1500         intent.setData(Uri.fromFile(new File(path)));
1501         MainApp.getAppContext().sendBroadcast(intent);
1502     }
1503
1504     public void deleteFileInMediaScan(String path) {
1505
1506         String mimetypeString = FileStorageUtils.getMimeTypeFromName(path);
1507         ContentResolver contentResolver = getContentResolver();
1508
1509         if (contentResolver != null) {
1510             if (mimetypeString.startsWith("image/")) {
1511                 // Images
1512                 contentResolver.delete(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
1513                         MediaStore.Images.Media.DATA + "=?", new String[]{path});
1514             } else if (mimetypeString.startsWith("audio/")) {
1515                 // Audio
1516                 contentResolver.delete(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
1517                         MediaStore.Audio.Media.DATA + "=?", new String[]{path});
1518             } else if (mimetypeString.startsWith("video/")) {
1519                 // Video
1520                 contentResolver.delete(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
1521                         MediaStore.Video.Media.DATA + "=?", new String[]{path});
1522             }
1523         } else {
1524             ContentProviderClient contentProviderClient = getContentProviderClient();
1525             try {
1526                 if (mimetypeString.startsWith("image/")) {
1527                     // Images
1528                     contentProviderClient.delete(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
1529                             MediaStore.Images.Media.DATA + "=?", new String[]{path});
1530                 } else if (mimetypeString.startsWith("audio/")) {
1531                     // Audio
1532                     contentProviderClient.delete(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
1533                             MediaStore.Audio.Media.DATA + "=?", new String[]{path});
1534                 } else if (mimetypeString.startsWith("video/")) {
1535                     // Video
1536                     contentProviderClient.delete(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
1537                             MediaStore.Video.Media.DATA + "=?", new String[]{path});
1538                 }
1539             } catch (RemoteException e) {
1540                 Log_OC.e(TAG, "Exception deleting media file in MediaStore " + e.getMessage());
1541             }
1542         }
1543
1544     }
1545
1546 }