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.HashSet;
  28 import java.util.Iterator;
  29 import java.util.List;
  30 import java.util.Set;
  31 import java.util.Vector;
  32
  33 import android.accounts.Account;
  34 import android.content.ContentProviderClient;
  35 import android.content.ContentProviderOperation;
  36 import android.content.ContentProviderResult;
  37 import android.content.ContentResolver;
  38 import android.content.ContentUris;
  39 import android.content.ContentValues;
  40 import android.content.Intent;
  41 import android.content.OperationApplicationException;
  42 import android.database.Cursor;
  43 import android.net.Uri;
  44 import android.os.RemoteException;
  45 import android.provider.MediaStore;
  46
  47 import com.owncloud.android.MainApp;
  48 import com.owncloud.android.db.ProviderMeta.ProviderTableMeta;
  49 import com.owncloud.android.lib.common.utils.Log_OC;
  50 import com.owncloud.android.lib.resources.shares.OCShare;
  51 import com.owncloud.android.lib.resources.shares.ShareType;
  52 import com.owncloud.android.lib.resources.status.CapabilityBooleanType;
  53 import com.owncloud.android.lib.resources.status.OCCapability;
  54 import com.owncloud.android.utils.FileStorageUtils;
  55
  56 public class FileDataStorageManager {
  57
  58     public static final int ROOT_PARENT_ID = 0;
  59
  60     private ContentResolver mContentResolver;
  61     private ContentProviderClient mContentProviderClient;
  62     private Account mAccount;
  63
  64     private static String TAG = FileDataStorageManager.class.getSimpleName();
  65
  66
  67     public FileDataStorageManager(Account account, ContentResolver cr) {
  68         mContentProviderClient = null;
  69         mContentResolver = cr;
  70         mAccount = account;
  71     }
  72
  73     public FileDataStorageManager(Account account, ContentProviderClient cp) {
  74         mContentProviderClient = cp;
  75         mContentResolver = null;
  76         mAccount = account;
  77     }
  78
  79
  80     public void setAccount(Account account) {
  81         mAccount = account;
  82     }
  83
  84     public Account getAccount() {
  85         return mAccount;
  86     }
  87
  88     public ContentResolver getContentResolver() {
  89         return mContentResolver;
  90     }
  91
  92     public ContentProviderClient getContentProviderClient() {
  93         return mContentProviderClient;
  94     }
  95
  96
  97     public OCFile getFileByPath(String path) {
  98         Cursor c = getCursorForValue(ProviderTableMeta.FILE_PATH, path);
  99         OCFile file = null;
 100         if (c.moveToFirst()) {
 101             file = createFileInstance(c);
 102         }
 103         c.close();
 104         if (file == null && OCFile.ROOT_PATH.equals(path)) {
 105             return createRootDir(); // root should always exist
 106         }
 107         return file;
 108     }
 109
 110
 111     public OCFile getFileById(long id) {
 112         Cursor c = getCursorForValue(ProviderTableMeta._ID, String.valueOf(id));
 113         OCFile file = null;
 114         if (c.moveToFirst()) {
 115             file = createFileInstance(c);
 116         }
 117         c.close();
 118         return file;
 119     }
 120
 121     public OCFile getFileByLocalPath(String path) {
 122         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 123         OCFile file = null;
 124         if (c.moveToFirst()) {
 125             file = createFileInstance(c);
 126         }
 127         c.close();
 128         return file;
 129     }
 130
 131     public boolean fileExists(long id) {
 132         return fileExists(ProviderTableMeta._ID, String.valueOf(id));
 133     }
 134
 135     public boolean fileExists(String path) {
 136         return fileExists(ProviderTableMeta.FILE_PATH, path);
 137     }
 138
 139
 140     public Vector<OCFile> getFolderContent(OCFile f, boolean onlyOnDevice) {
 141         if (f != null && f.isFolder() && f.getFileId() != -1) {
 142             return getFolderContent(f.getFileId(), onlyOnDevice);
 143
 144         } else {
 145             return new Vector<OCFile>();
 146         }
 147     }
 148
 149
 150     public Vector<OCFile> getFolderImages(OCFile folder, boolean onlyOnDevice) {
 151         Vector<OCFile> ret = new Vector<OCFile>();
 152         if (folder != null) {
 153             // TODO better implementation, filtering in the access to database instead of here
 154             Vector<OCFile> tmp = getFolderContent(folder, onlyOnDevice);
 155             OCFile current = null;
 156             for (int i=0; i<tmp.size(); i++) {
 157                 current = tmp.get(i);
 158                 if (current.isImage()) {
 159                     ret.add(current);
 160                 }
 161             }
 162         }
 163         return ret;
 164     }
 165
 166     public boolean saveFile(OCFile file) {
 167         boolean overriden = false;
 168         ContentValues cv = new ContentValues();
 169         cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 170         cv.put(
 171                 ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 172                 file.getModificationTimestampAtLastSyncForData()
 173         );
 174         cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 175         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 176         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 177         cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 178         cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 179         cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 180         if (!file.isFolder())
 181             cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 182         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 183         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 184         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 185         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.isFavorite() ? 1 : 0);
 186         cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 187         cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, file.isSharedViaLink() ? 1 : 0);
 188         cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, file.isSharedWithSharee() ? 1 : 0);
 189         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 190         cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 191         cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 192         cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
 193         cv.put(ProviderTableMeta.FILE_IS_DOWNLOADING, file.isDownloading());
 194         cv.put(ProviderTableMeta.FILE_ETAG_IN_CONFLICT, file.getEtagInConflict());
 195
 196         boolean sameRemotePath = fileExists(file.getRemotePath());
 197         if (sameRemotePath ||
 198                 fileExists(file.getFileId())) {  // for renamed files; no more delete and create
 199
 200             OCFile oldFile;
 201             if (sameRemotePath) {
 202                 oldFile = getFileByPath(file.getRemotePath());
 203                 file.setFileId(oldFile.getFileId());
 204             } else {
 205                 oldFile = getFileById(file.getFileId());
 206             }
 207
 208             overriden = true;
 209             if (getContentResolver() != null) {
 210                 getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv,
 211                         ProviderTableMeta._ID + "=?",
 212                         new String[]{String.valueOf(file.getFileId())});
 213             } else {
 214                 try {
 215                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI,
 216                             cv, ProviderTableMeta._ID + "=?",
 217                             new String[]{String.valueOf(file.getFileId())});
 218                 } catch (RemoteException e) {
 219                     Log_OC.e(TAG,
 220                             "Fail to insert insert file to database "
 221                                     + e.getMessage());
 222                 }
 223             }
 224         } else {
 225             Uri result_uri = null;
 226             if (getContentResolver() != null) {
 227                 result_uri = getContentResolver().insert(
 228                         ProviderTableMeta.CONTENT_URI_FILE, cv);
 229             } else {
 230                 try {
 231                     result_uri = getContentProviderClient().insert(
 232                             ProviderTableMeta.CONTENT_URI_FILE, cv);
 233                 } catch (RemoteException e) {
 234                     Log_OC.e(TAG,
 235                             "Fail to insert insert file to database "
 236                                     + e.getMessage());
 237                 }
 238             }
 239             if (result_uri != null) {
 240                 long new_id = Long.parseLong(result_uri.getPathSegments()
 241                         .get(1));
 242                 file.setFileId(new_id);
 243             }
 244         }
 245
 246         return overriden;
 247     }
 248
 249
 250     /**
 251      * Inserts or updates the list of files contained in a given folder.
 252      * <p/>
 253      * CALLER IS THE RESPONSIBLE FOR GRANTING RIGHT UPDATE OF INFORMATION, NOT THIS METHOD.
 254      * HERE ONLY DATA CONSISTENCY SHOULD BE GRANTED
 255      *
 256      * @param folder
 257      * @param updatedFiles
 258      * @param filesToRemove
 259      */
 260     public void saveFolder(
 261             OCFile folder, Collection<OCFile> updatedFiles, Collection<OCFile> filesToRemove
 262     ) {
 263
 264         Log_OC.d(TAG,  "Saving folder " + folder.getRemotePath() + " with " + updatedFiles.size()
 265                 + " children and " + filesToRemove.size() + " files to remove");
 266
 267         ArrayList<ContentProviderOperation> operations =
 268                 new ArrayList<ContentProviderOperation>(updatedFiles.size());
 269
 270         // prepare operations to insert or update files to save in the given folder
 271         for (OCFile file : updatedFiles) {
 272             ContentValues cv = new ContentValues();
 273             cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 274             cv.put(
 275                     ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 276                     file.getModificationTimestampAtLastSyncForData()
 277             );
 278             cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 279             cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 280             cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 281             cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 282             //cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 283             cv.put(ProviderTableMeta.FILE_PARENT, folder.getFileId());
 284             cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 285             if (!file.isFolder()) {
 286                 cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 287             }
 288             cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 289             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 290             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 291             cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.isFavorite() ? 1 : 0);
 292             cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 293             cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, file.isSharedViaLink() ? 1 : 0);
 294             cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, file.isSharedWithSharee() ? 1 : 0);
 295             cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 296             cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 297             cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 298             cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
 299             cv.put(ProviderTableMeta.FILE_IS_DOWNLOADING, file.isDownloading());
 300             cv.put(ProviderTableMeta.FILE_ETAG_IN_CONFLICT, file.getEtagInConflict());
 301
 302             boolean existsByPath = fileExists(file.getRemotePath());
 303             if (existsByPath || fileExists(file.getFileId())) {
 304                 // updating an existing file
 305                 operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 306                         withValues(cv).
 307                         withSelection(ProviderTableMeta._ID + "=?",
 308                                 new String[]{String.valueOf(file.getFileId())})
 309                         .build());
 310
 311             } else {
 312                 // adding a new file
 313                 operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
 314                         withValues(cv).build());
 315             }
 316         }
 317
 318         // prepare operations to remove files in the given folder
 319         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 320                 ProviderTableMeta.FILE_PATH + "=?";
 321         String [] whereArgs = null;
 322         for (OCFile file : filesToRemove) {
 323             if (file.getParentId() == folder.getFileId()) {
 324                 whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 325                 if (file.isFolder()) {
 326                     operations.add(ContentProviderOperation.newDelete(
 327                             ContentUris.withAppendedId(
 328                                     ProviderTableMeta.CONTENT_URI_DIR, file.getFileId()
 329                             )
 330                     ).withSelection(where, whereArgs).build());
 331
 332                     File localFolder =
 333                             new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 334                     if (localFolder.exists()) {
 335                         removeLocalFolder(localFolder);
 336                     }
 337                 } else {
 338                     operations.add(ContentProviderOperation.newDelete(
 339                             ContentUris.withAppendedId(
 340                                     ProviderTableMeta.CONTENT_URI_FILE, file.getFileId()
 341                             )
 342                     ).withSelection(where, whereArgs).build());
 343
 344                     if (file.isDown()) {
 345                         String path = file.getStoragePath();
 346                         new File(path).delete();
 347                         triggerMediaScan(path); // notify MediaScanner about removed file
 348                     }
 349                 }
 350             }
 351         }
 352
 353         // update metadata of folder
 354         ContentValues cv = new ContentValues();
 355         cv.put(ProviderTableMeta.FILE_MODIFIED, folder.getModificationTimestamp());
 356         cv.put(
 357                 ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 358                 folder.getModificationTimestampAtLastSyncForData()
 359         );
 360         cv.put(ProviderTableMeta.FILE_CREATION, folder.getCreationTimestamp());
 361         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, 0);
 362         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, folder.getMimetype());
 363         cv.put(ProviderTableMeta.FILE_NAME, folder.getFileName());
 364         cv.put(ProviderTableMeta.FILE_PARENT, folder.getParentId());
 365         cv.put(ProviderTableMeta.FILE_PATH, folder.getRemotePath());
 366         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 367         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, folder.getLastSyncDateForProperties());
 368         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, folder.getLastSyncDateForData());
 369         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, folder.isFavorite() ? 1 : 0);
 370         cv.put(ProviderTableMeta.FILE_ETAG, folder.getEtag());
 371         cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, folder.isSharedViaLink() ? 1 : 0);
 372         cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, folder.isSharedWithSharee() ? 1 : 0);
 373         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, folder.getPublicLink());
 374         cv.put(ProviderTableMeta.FILE_PERMISSIONS, folder.getPermissions());
 375         cv.put(ProviderTableMeta.FILE_REMOTE_ID, folder.getRemoteId());
 376
 377         operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 378                 withValues(cv).
 379                 withSelection(ProviderTableMeta._ID + "=?",
 380                         new String[]{String.valueOf(folder.getFileId())})
 381                 .build());
 382
 383         // apply operations in batch
 384         ContentProviderResult[] results = null;
 385         Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
 386         try {
 387             if (getContentResolver() != null) {
 388                 results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 389
 390             } else {
 391                 results = getContentProviderClient().applyBatch(operations);
 392             }
 393
 394         } catch (OperationApplicationException e) {
 395             Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
 396
 397         } catch (RemoteException e) {
 398             Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
 399         }
 400
 401         // update new id in file objects for insertions
 402         if (results != null) {
 403             long newId;
 404             Iterator<OCFile> filesIt = updatedFiles.iterator();
 405             OCFile file = null;
 406             for (int i = 0; i < results.length; i++) {
 407                 if (filesIt.hasNext()) {
 408                     file = filesIt.next();
 409                 } else {
 410                     file = null;
 411                 }
 412                 if (results[i].uri != null) {
 413                     newId = Long.parseLong(results[i].uri.getPathSegments().get(1));
 414                     //updatedFiles.get(i).setFileId(newId);
 415                     if (file != null) {
 416                         file.setFileId(newId);
 417                     }
 418                 }
 419             }
 420         }
 421
 422     }
 423
 424
 425     public boolean removeFile(OCFile file, boolean removeDBData, boolean removeLocalCopy) {
 426         boolean success = true;
 427         if (file != null) {
 428             if (file.isFolder()) {
 429                 success = removeFolder(file, removeDBData, removeLocalCopy);
 430
 431             } else {
 432                 if (removeDBData) {
 433                     //Uri file_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE,
 434                     // ""+file.getFileId());
 435                     Uri file_uri = ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_FILE,
 436                             file.getFileId());
 437                     String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 438                             ProviderTableMeta.FILE_PATH + "=?";
 439                     String[] whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 440                     int deleted = 0;
 441                     if (getContentProviderClient() != null) {
 442                         try {
 443                             deleted = getContentProviderClient().delete(file_uri, where, whereArgs);
 444                         } catch (RemoteException e) {
 445                             e.printStackTrace();
 446                         }
 447                     } else {
 448                         deleted = getContentResolver().delete(file_uri, where, whereArgs);
 449                     }
 450                     success &= (deleted > 0);
 451                 }
 452                 String localPath = file.getStoragePath();
 453                 if (removeLocalCopy && file.isDown() && localPath != null && success) {
 454                     success = new File(localPath).delete();
 455                     if (success) {
 456                         deleteFileInMediaScan(localPath);
 457                     }
 458                     if (!removeDBData && success) {
 459                         // maybe unnecessary, but should be checked TODO remove if unnecessary
 460                         file.setStoragePath(null);
 461                         saveFile(file);
 462                         saveConflict(file, null);
 463                     }
 464                 }
 465             }
 466         }
 467         return success;
 468     }
 469
 470
 471     public boolean removeFolder(OCFile folder, boolean removeDBData, boolean removeLocalContent) {
 472         boolean success = true;
 473         if (folder != null && folder.isFolder()) {
 474             if (removeDBData && folder.getFileId() != -1) {
 475                 success = removeFolderInDb(folder);
 476             }
 477             if (removeLocalContent && success) {
 478                 success = removeLocalFolder(folder);
 479             }
 480         }
 481         return success;
 482     }
 483
 484     private boolean removeFolderInDb(OCFile folder) {
 485         Uri folder_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, "" +
 486                 folder.getFileId());   // URI for recursive deletion
 487         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 488                 ProviderTableMeta.FILE_PATH + "=?";
 489         String [] whereArgs = new String[]{mAccount.name, folder.getRemotePath()};
 490         int deleted = 0;
 491         if (getContentProviderClient() != null) {
 492             try {
 493                 deleted = getContentProviderClient().delete(folder_uri, where, whereArgs);
 494             } catch (RemoteException e) {
 495                 e.printStackTrace();
 496             }
 497         } else {
 498             deleted = getContentResolver().delete(folder_uri, where, whereArgs);
 499         }
 500         return deleted > 0;
 501     }
 502
 503     private boolean removeLocalFolder(OCFile folder) {
 504         boolean success = true;
 505         String localFolderPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, folder);
 506         File localFolder = new File(localFolderPath);
 507         if (localFolder.exists()) {
 508             // stage 1: remove the local files already registered in the files database
 509             Vector<OCFile> files = getFolderContent(folder.getFileId(), false);
 510             if (files != null) {
 511                 for (OCFile file : files) {
 512                     if (file.isFolder()) {
 513                         success &= removeLocalFolder(file);
 514                     } else {
 515                         if (file.isDown()) {
 516                             File localFile = new File(file.getStoragePath());
 517                             success &= localFile.delete();
 518                             if (success) {
 519                                 // notify MediaScanner about removed file
 520                                 deleteFileInMediaScan(file.getStoragePath());
 521                                 file.setStoragePath(null);
 522                                 saveFile(file);
 523                             }
 524                         }
 525                     }
 526                 }
 527             }
 528
 529             // stage 2: remove the folder itself and any local file inside out of sync;
 530             //          for instance, after clearing the app cache or reinstalling
 531             success &= removeLocalFolder(localFolder);
 532         }
 533         return success;
 534     }
 535
 536     private boolean removeLocalFolder(File localFolder) {
 537         boolean success = true;
 538         File[] localFiles = localFolder.listFiles();
 539         if (localFiles != null) {
 540             for (File localFile : localFiles) {
 541                 if (localFile.isDirectory()) {
 542                     success &= removeLocalFolder(localFile);
 543                 } else {
 544                     String path = localFile.getAbsolutePath();
 545                     success &= localFile.delete();
 546                 }
 547             }
 548         }
 549         success &= localFolder.delete();
 550         return success;
 551     }
 552
 553
 554     /**
 555      * Updates database and file system for a file or folder that was moved to a different location.
 556      *
 557      * TODO explore better (faster) implementations
 558      * TODO throw exceptions up !
 559      */
 560     public void moveLocalFile(OCFile file, String targetPath, String targetParentPath) {
 561
 562         if (file != null && file.fileExists() && !OCFile.ROOT_PATH.equals(file.getFileName())) {
 563
 564             OCFile targetParent = getFileByPath(targetParentPath);
 565             if (targetParent == null) {
 566                 throw new IllegalStateException(
 567                         "Parent folder of the target path does not exist!!");
 568             }
 569
 570             /// 1. get all the descendants of the moved element in a single QUERY
 571             Cursor c = null;
 572             if (getContentProviderClient() != null) {
 573                 try {
 574                     c = getContentProviderClient().query(
 575                             ProviderTableMeta.CONTENT_URI,
 576                             null,
 577                             ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 578                                     ProviderTableMeta.FILE_PATH + " LIKE ? ",
 579                             new String[]{
 580                                     mAccount.name,
 581                                     file.getRemotePath() + "%"
 582                             },
 583                             ProviderTableMeta.FILE_PATH + " ASC "
 584                     );
 585                 } catch (RemoteException e) {
 586                     Log_OC.e(TAG, e.getMessage());
 587                 }
 588
 589             } else {
 590                 c = getContentResolver().query(
 591                         ProviderTableMeta.CONTENT_URI,
 592                         null,
 593                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 594                                 ProviderTableMeta.FILE_PATH + " LIKE ? ",
 595                         new String[]{
 596                                 mAccount.name,
 597                                 file.getRemotePath() + "%"
 598                         },
 599                         ProviderTableMeta.FILE_PATH + " ASC "
 600                 );
 601             }
 602
 603             /// 2. prepare a batch of update operations to change all the descendants
 604             ArrayList<ContentProviderOperation> operations =
 605                     new ArrayList<ContentProviderOperation>(c.getCount());
 606             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 607             List<String> originalPathsToTriggerMediaScan = new ArrayList<String>();
 608             List<String> newPathsToTriggerMediaScan = new ArrayList<String>();
 609             if (c.moveToFirst()) {
 610                 int lengthOfOldPath = file.getRemotePath().length();
 611                 int lengthOfOldStoragePath = defaultSavePath.length() + lengthOfOldPath;
 612                 do {
 613                     ContentValues cv = new ContentValues(); // keep construction in the loop
 614                     OCFile child = createFileInstance(c);
 615                     cv.put(
 616                             ProviderTableMeta.FILE_PATH,
 617                             targetPath + child.getRemotePath().substring(lengthOfOldPath)
 618                     );
 619                     if (child.getStoragePath() != null &&
 620                             child.getStoragePath().startsWith(defaultSavePath)) {
 621                         // update link to downloaded content - but local move is not done here!
 622                         String targetLocalPath = defaultSavePath + targetPath +
 623                                 child.getStoragePath().substring(lengthOfOldStoragePath);
 624
 625                         cv.put(ProviderTableMeta.FILE_STORAGE_PATH, targetLocalPath);
 626
 627                         originalPathsToTriggerMediaScan.add(child.getStoragePath());
 628                         newPathsToTriggerMediaScan.add(targetLocalPath);
 629
 630                     }
 631                     if (child.getRemotePath().equals(file.getRemotePath())) {
 632                         cv.put(
 633                                 ProviderTableMeta.FILE_PARENT,
 634                                 targetParent.getFileId()
 635                         );
 636                     }
 637                     operations.add(
 638                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 639                                     withValues(cv).
 640                                     withSelection(
 641                                             ProviderTableMeta._ID + "=?",
 642                                             new String[]{String.valueOf(child.getFileId())}
 643                                     )
 644                                     .build());
 645
 646                 } while (c.moveToNext());
 647             }
 648             c.close();
 649
 650             /// 3. apply updates in batch
 651             try {
 652                 if (getContentResolver() != null) {
 653                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 654
 655                 } else {
 656                     getContentProviderClient().applyBatch(operations);
 657                 }
 658
 659             } catch (Exception e) {
 660                 Log_OC.e(TAG, "Fail to update " + file.getFileId() + " and descendants in database",
 661                         e);
 662             }
 663
 664             /// 4. move in local file system
 665             String originalLocalPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, file);
 666             String targetLocalPath = defaultSavePath + targetPath;
 667             File localFile = new File(originalLocalPath);
 668             boolean renamed = false;
 669             if (localFile.exists()) {
 670                 File targetFile = new File(targetLocalPath);
 671                 File targetFolder = targetFile.getParentFile();
 672                 if (!targetFolder.exists()) {
 673                     targetFolder.mkdirs();
 674                 }
 675                 renamed = localFile.renameTo(targetFile);
 676             }
 677
 678             if (renamed) {
 679                 Iterator<String> it = originalPathsToTriggerMediaScan.iterator();
 680                 while (it.hasNext()) {
 681                     // Notify MediaScanner about removed file
 682                     deleteFileInMediaScan(it.next());
 683                 }
 684                 it = newPathsToTriggerMediaScan.iterator();
 685                 while (it.hasNext()) {
 686                     // Notify MediaScanner about new file/folder
 687                     triggerMediaScan(it.next());
 688                 }
 689             }
 690         }
 691
 692     }
 693
 694     public void copyLocalFile(OCFile file, String targetPath) {
 695
 696         if (file != null && file.fileExists() && !OCFile.ROOT_PATH.equals(file.getFileName())) {
 697             String localPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, file);
 698             File localFile = new File(localPath);
 699             boolean copied = false;
 700             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 701             if (localFile.exists()) {
 702                 File targetFile = new File(defaultSavePath + targetPath);
 703                 File targetFolder = targetFile.getParentFile();
 704                 if (!targetFolder.exists()) {
 705                     targetFolder.mkdirs();
 706                 }
 707                 copied = FileStorageUtils.copyFile(localFile, targetFile);
 708             }
 709             Log_OC.d(TAG, "Local file COPIED : " + copied);
 710         }
 711     }
 712
 713     public void migrateStoredFiles(String srcPath, String dstPath) throws Exception {
 714         Cursor c = null;
 715         if (getContentResolver() != null) {
 716             c = getContentResolver().query(ProviderTableMeta.CONTENT_URI_FILE,
 717                     null,
 718                     ProviderTableMeta.FILE_STORAGE_PATH  + " IS NOT NULL",
 719                     null,
 720                     null);
 721
 722         } else {
 723             try {
 724                 c = getContentProviderClient().query(ProviderTableMeta.CONTENT_URI_FILE,
 725                         new String[]{ProviderTableMeta._ID, ProviderTableMeta.FILE_STORAGE_PATH},
 726                         ProviderTableMeta.FILE_STORAGE_PATH + " IS NOT NULL",
 727                         null,
 728                         null);
 729             } catch (RemoteException e) {
 730                 Log_OC.e(TAG, e.getMessage());
 731                 throw e;
 732             }
 733         }
 734
 735         ArrayList<ContentProviderOperation> operations =
 736                 new ArrayList<ContentProviderOperation>(c.getCount());
 737         if (c.moveToFirst()) {
 738             do {
 739                 ContentValues cv = new ContentValues();
 740                 long fileId = c.getLong(c.getColumnIndex(ProviderTableMeta._ID));
 741                 String oldFileStoragePath = c.getString(c.getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH));
 742
 743                 if (oldFileStoragePath.startsWith(srcPath)) {
 744
 745                     cv.put(
 746                             ProviderTableMeta.FILE_STORAGE_PATH,
 747                             oldFileStoragePath.replaceFirst(srcPath, dstPath));
 748
 749                     operations.add(
 750                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 751                                     withValues(cv).
 752                                     withSelection(
 753                                             ProviderTableMeta._ID + "=?",
 754                                             new String[]{String.valueOf(fileId)}
 755                                     )
 756                                     .build());
 757                 }
 758
 759             } while (c.moveToNext());
 760         }
 761         c.close();
 762
 763         /// 3. apply updates in batch
 764         try {
 765             if (getContentResolver() != null) {
 766                 getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 767
 768             } else {
 769                 getContentProviderClient().applyBatch(operations);
 770             }
 771
 772         } catch (Exception e) {
 773             throw e;
 774         }
 775     }
 776
 777
 778     private Vector<OCFile> getFolderContent(long parentId, boolean onlyOnDevice) {
 779
 780         Vector<OCFile> ret = new Vector<OCFile>();
 781
 782         Uri req_uri = Uri.withAppendedPath(
 783                 ProviderTableMeta.CONTENT_URI_DIR,
 784                 String.valueOf(parentId));
 785         Cursor c = null;
 786
 787         if (getContentProviderClient() != null) {
 788             try {
 789                 c = getContentProviderClient().query(req_uri, null,
 790                         ProviderTableMeta.FILE_PARENT + "=?",
 791                         new String[]{String.valueOf(parentId)}, null);
 792             } catch (RemoteException e) {
 793                 Log_OC.e(TAG, e.getMessage());
 794                 return ret;
 795             }
 796         } else {
 797             c = getContentResolver().query(req_uri, null,
 798                     ProviderTableMeta.FILE_PARENT + "=?",
 799                     new String[]{String.valueOf(parentId)}, null);
 800         }
 801
 802         if (c.moveToFirst()) {
 803             do {
 804                 OCFile child = createFileInstance(c);
 805                  if (child.isFolder() || !onlyOnDevice || onlyOnDevice && child.isDown()){
 806                     ret.add(child);
 807                  }
 808             } while (c.moveToNext());
 809         }
 810
 811         c.close();
 812
 813         Collections.sort(ret);
 814
 815         return ret;
 816     }
 817
 818
 819     private OCFile createRootDir() {
 820         OCFile file = new OCFile(OCFile.ROOT_PATH);
 821         file.setMimetype("DIR");
 822         file.setParentId(FileDataStorageManager.ROOT_PARENT_ID);
 823         saveFile(file);
 824         return file;
 825     }
 826
 827     private boolean fileExists(String cmp_key, String value) {
 828         Cursor c;
 829         if (getContentResolver() != null) {
 830             c = getContentResolver()
 831                     .query(ProviderTableMeta.CONTENT_URI,
 832                             null,
 833                             cmp_key + "=? AND "
 834                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 835                                     + "=?",
 836                             new String[]{value, mAccount.name}, null);
 837         } else {
 838             try {
 839                 c = getContentProviderClient().query(
 840                         ProviderTableMeta.CONTENT_URI,
 841                         null,
 842                         cmp_key + "=? AND "
 843                                 + ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
 844                         new String[]{value, mAccount.name}, null);
 845             } catch (RemoteException e) {
 846                 Log_OC.e(TAG,
 847                         "Couldn't determine file existance, assuming non existance: "
 848                                 + e.getMessage());
 849                 return false;
 850             }
 851         }
 852         boolean retval = c.moveToFirst();
 853         c.close();
 854         return retval;
 855     }
 856
 857     private Cursor getCursorForValue(String key, String value) {
 858         Cursor c = null;
 859         if (getContentResolver() != null) {
 860             c = getContentResolver()
 861                     .query(ProviderTableMeta.CONTENT_URI,
 862                             null,
 863                             key + "=? AND "
 864                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 865                                     + "=?",
 866                             new String[]{value, mAccount.name}, null);
 867         } else {
 868             try {
 869                 c = getContentProviderClient().query(
 870                         ProviderTableMeta.CONTENT_URI,
 871                         null,
 872                         key + "=? AND " + ProviderTableMeta.FILE_ACCOUNT_OWNER
 873                                 + "=?", new String[]{value, mAccount.name},
 874                         null);
 875             } catch (RemoteException e) {
 876                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 877                 c = null;
 878             }
 879         }
 880         return c;
 881     }
 882
 883
 884     private OCFile createFileInstance(Cursor c) {
 885         OCFile file = null;
 886         if (c != null) {
 887             file = new OCFile(c.getString(c
 888                     .getColumnIndex(ProviderTableMeta.FILE_PATH)));
 889             file.setFileId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
 890             file.setParentId(c.getLong(c
 891                     .getColumnIndex(ProviderTableMeta.FILE_PARENT)));
 892             file.setMimetype(c.getString(c
 893                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE)));
 894             if (!file.isFolder()) {
 895                 file.setStoragePath(c.getString(c
 896                         .getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH)));
 897                 if (file.getStoragePath() == null) {
 898                     // try to find existing file and bind it with current account;
 899                     // with the current update of SynchronizeFolderOperation, this won't be
 900                     // necessary anymore after a full synchronization of the account
 901                     File f = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 902                     if (f.exists()) {
 903                         file.setStoragePath(f.getAbsolutePath());
 904                         file.setLastSyncDateForData(f.lastModified());
 905                     }
 906                 }
 907             }
 908             file.setFileLength(c.getLong(c
 909                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH)));
 910             file.setCreationTimestamp(c.getLong(c
 911                     .getColumnIndex(ProviderTableMeta.FILE_CREATION)));
 912             file.setModificationTimestamp(c.getLong(c
 913                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED)));
 914             file.setModificationTimestampAtLastSyncForData(c.getLong(c
 915                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA)));
 916             file.setLastSyncDateForProperties(c.getLong(c
 917                     .getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE)));
 918             file.setLastSyncDateForData(c.getLong(c.
 919                     getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA)));
 920             file.setFavorite(c.getInt(
 921                     c.getColumnIndex(ProviderTableMeta.FILE_KEEP_IN_SYNC)) == 1 ? true : false);
 922             file.setEtag(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG)));
 923             file.setShareViaLink(c.getInt(
 924                     c.getColumnIndex(ProviderTableMeta.FILE_SHARED_VIA_LINK)) == 1 ? true : false);
 925             file.setShareWithSharee(c.getInt(
 926                     c.getColumnIndex(ProviderTableMeta.FILE_SHARED_WITH_SHAREE)) == 1 ? true : false);
 927             file.setPublicLink(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PUBLIC_LINK)));
 928             file.setPermissions(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PERMISSIONS)));
 929             file.setRemoteId(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_REMOTE_ID)));
 930             file.setNeedsUpdateThumbnail(c.getInt(
 931                     c.getColumnIndex(ProviderTableMeta.FILE_UPDATE_THUMBNAIL)) == 1 ? true : false);
 932             file.setDownloading(c.getInt(
 933                     c.getColumnIndex(ProviderTableMeta.FILE_IS_DOWNLOADING)) == 1 ? true : false);
 934             file.setEtagInConflict(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG_IN_CONFLICT)));
 935
 936         }
 937         return file;
 938     }
 939
 940     // Methods for Shares
 941     public boolean saveShare(OCShare share) {
 942         boolean overriden = false;
 943         ContentValues cv = new ContentValues();
 944         cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
 945         cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
 946         cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
 947         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
 948         cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
 949         cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
 950         cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
 951         cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
 952         cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
 953         cv.put(
 954                 ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
 955                 share.getSharedWithDisplayName()
 956         );
 957         cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
 958         cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
 959         cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
 960         cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
 961
 962         if (shareExists(share.getIdRemoteShared())) {// for renamed files; no more delete and create
 963             overriden = true;
 964             if (getContentResolver() != null) {
 965                 getContentResolver().update(ProviderTableMeta.CONTENT_URI_SHARE, cv,
 966                         ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 967                         new String[]{String.valueOf(share.getIdRemoteShared())});
 968             } else {
 969                 try {
 970                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_SHARE,
 971                             cv, ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 972                             new String[]{String.valueOf(share.getIdRemoteShared())});
 973                 } catch (RemoteException e) {
 974                     Log_OC.e(TAG,
 975                             "Fail to insert insert file to database "
 976                                     + e.getMessage());
 977                 }
 978             }
 979         } else {
 980             Uri result_uri = null;
 981             if (getContentResolver() != null) {
 982                 result_uri = getContentResolver().insert(
 983                         ProviderTableMeta.CONTENT_URI_SHARE, cv);
 984             } else {
 985                 try {
 986                     result_uri = getContentProviderClient().insert(
 987                             ProviderTableMeta.CONTENT_URI_SHARE, cv);
 988                 } catch (RemoteException e) {
 989                     Log_OC.e(TAG,
 990                             "Fail to insert insert file to database "
 991                                     + e.getMessage());
 992                 }
 993             }
 994             if (result_uri != null) {
 995                 long new_id = Long.parseLong(result_uri.getPathSegments()
 996                         .get(1));
 997                 share.setId(new_id);
 998             }
 999         }
1000
1001         return overriden;
1002     }
1003
1004
1005     public OCShare getFirstShareByPathAndType(String path, ShareType type, String shareWith) {
1006         Cursor c = null;
1007
1008         String selection = ProviderTableMeta.OCSHARES_PATH + "=? AND "
1009                 + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
1010                 + ProviderTableMeta.OCSHARES_SHARE_WITH + "=? AND "
1011                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?" ;
1012
1013         String [] selectionArgs =  new String[]{path, Integer.toString(type.getValue()),
1014                 shareWith, mAccount.name};
1015
1016         if (getContentResolver() != null) {
1017             c = getContentResolver().query(
1018                     ProviderTableMeta.CONTENT_URI_SHARE,
1019                     null,
1020                     selection, selectionArgs,
1021                     null);
1022         } else {
1023             try {
1024                 c = getContentProviderClient().query(
1025                         ProviderTableMeta.CONTENT_URI_SHARE,
1026                         null,
1027                         selection, selectionArgs,
1028                         null);
1029
1030             } catch (RemoteException e) {
1031                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
1032                 c = null;
1033             }
1034         }
1035         OCShare share = null;
1036         if (c.moveToFirst()) {
1037             share = createShareInstance(c);
1038         }
1039         c.close();
1040         return share;
1041     }
1042
1043     private OCShare createShareInstance(Cursor c) {
1044         OCShare share = null;
1045         if (c != null) {
1046             share = new OCShare(c.getString(c
1047                     .getColumnIndex(ProviderTableMeta.OCSHARES_PATH)));
1048             share.setId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
1049             share.setFileSource(c.getLong(c
1050                     .getColumnIndex(ProviderTableMeta.OCSHARES_ITEM_SOURCE)));
1051             share.setShareType(ShareType.fromValue(c.getInt(c
1052                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_TYPE))));
1053             share.setShareWith(c.getString(c
1054                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_WITH)));
1055             share.setPermissions(c.getInt(c
1056                     .getColumnIndex(ProviderTableMeta.OCSHARES_PERMISSIONS)));
1057             share.setSharedDate(c.getLong(c
1058                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARED_DATE)));
1059             share.setExpirationDate(c.getLong(c
1060                     .getColumnIndex(ProviderTableMeta.OCSHARES_EXPIRATION_DATE)));
1061             share.setToken(c.getString(c
1062                     .getColumnIndex(ProviderTableMeta.OCSHARES_TOKEN)));
1063             share.setSharedWithDisplayName(c.getString(c
1064                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME)));
1065             share.setIsFolder(c.getInt(
1066                     c.getColumnIndex(ProviderTableMeta.OCSHARES_IS_DIRECTORY)) == 1);
1067             share.setUserId(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_USER_ID)));
1068             share.setIdRemoteShared(c.getLong(
1069                     c.getColumnIndex(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED)));
1070         }
1071         return share;
1072     }
1073
1074     private boolean shareExists(String cmp_key, String value) {
1075         Cursor c;
1076         if (getContentResolver() != null) {
1077             c = getContentResolver()
1078                     .query(ProviderTableMeta.CONTENT_URI_SHARE,
1079                             null,
1080                             cmp_key + "=? AND "
1081                                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
1082                                     + "=?",
1083                             new String[]{value, mAccount.name}, null);
1084         } else {
1085             try {
1086                 c = getContentProviderClient().query(
1087                         ProviderTableMeta.CONTENT_URI_SHARE,
1088                         null,
1089                         cmp_key + "=? AND "
1090                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1091                         new String[]{value, mAccount.name}, null);
1092             } catch (RemoteException e) {
1093                 Log_OC.e(TAG,
1094                         "Couldn't determine file existance, assuming non existance: "
1095                                 + e.getMessage());
1096                 return false;
1097             }
1098         }
1099         boolean retval = c.moveToFirst();
1100         c.close();
1101         return retval;
1102     }
1103
1104     private boolean shareExists(long remoteId) {
1105         return shareExists(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, String.valueOf(remoteId));
1106     }
1107
1108     private void resetShareFlagsInAllFiles() {
1109         ContentValues cv = new ContentValues();
1110         cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, false);
1111         cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, false);
1112         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1113         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?";
1114         String[] whereArgs = new String[]{mAccount.name};
1115
1116         if (getContentResolver() != null) {
1117             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1118
1119         } else {
1120             try {
1121                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where,
1122                         whereArgs);
1123             } catch (RemoteException e) {
1124                 Log_OC.e(TAG, "Exception in resetShareFlagsInAllFiles" + e.getMessage());
1125             }
1126         }
1127     }
1128
1129     private void resetShareFlagsInFolder(OCFile folder) {
1130         ContentValues cv = new ContentValues();
1131         cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, false);
1132         cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, false);
1133         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1134         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1135                 ProviderTableMeta.FILE_PARENT + "=?";
1136         String [] whereArgs = new String[] { mAccount.name , String.valueOf(folder.getFileId()) };
1137
1138         if (getContentResolver() != null) {
1139             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1140
1141         } else {
1142             try {
1143                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where,
1144                         whereArgs);
1145             } catch (RemoteException e) {
1146                 Log_OC.e(TAG, "Exception in resetShareFlagsInFolder " + e.getMessage());
1147             }
1148         }
1149     }
1150
1151     private void resetShareFlagInAFile(String filePath){
1152         ContentValues cv = new ContentValues();
1153         cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, false);
1154         cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, false);
1155         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1156         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1157                 ProviderTableMeta.FILE_PATH+ "=?";
1158         String [] whereArgs = new String[] { mAccount.name , filePath };
1159
1160         if (getContentResolver() != null) {
1161             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1162
1163         } else {
1164             try {
1165                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where,
1166                         whereArgs);
1167             } catch (RemoteException e) {
1168                 Log_OC.e(TAG, "Exception in resetShareFlagsInFolder " + e.getMessage());
1169             }
1170         }
1171     }
1172
1173     private void cleanShares() {
1174         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1175         String[] whereArgs = new String[]{mAccount.name};
1176
1177         if (getContentResolver() != null) {
1178             getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1179
1180         } else {
1181             try {
1182                 getContentProviderClient().delete(ProviderTableMeta.CONTENT_URI_SHARE, where,
1183                         whereArgs);
1184             } catch (RemoteException e) {
1185                 Log_OC.e(TAG, "Exception in cleanShares" + e.getMessage());
1186             }
1187         }
1188     }
1189
1190     public void saveShares(Collection<OCShare> shares) {
1191         cleanShares();
1192         if (shares != null) {
1193             ArrayList<ContentProviderOperation> operations =
1194                     new ArrayList<ContentProviderOperation>(shares.size());
1195
1196             // prepare operations to insert or update files to save in the given folder
1197             for (OCShare share : shares) {
1198                 ContentValues cv = new ContentValues();
1199                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1200                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1201                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1202                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1203                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1204                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1205                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1206                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1207                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1208                 cv.put(
1209                         ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1210                         share.getSharedWithDisplayName()
1211                 );
1212                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1213                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1214                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1215                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1216
1217                 if (shareExists(share.getIdRemoteShared())) {
1218                     // updating an existing file
1219                     operations.add(
1220                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1221                                     withValues(cv).
1222                                     withSelection(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1223                                             new String[]{String.valueOf(share.getIdRemoteShared())})
1224                                     .build());
1225                 } else {
1226                     // adding a new file
1227                     operations.add(
1228                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1229                                     withValues(cv).
1230                                     build()
1231                     );
1232                 }
1233             }
1234
1235             // apply operations in batch
1236             if (operations.size() > 0) {
1237                 @SuppressWarnings("unused")
1238                 ContentProviderResult[] results = null;
1239                 Log_OC.d(TAG, "Sending " + operations.size() +
1240                         " operations to FileContentProvider");
1241                 try {
1242                     if (getContentResolver() != null) {
1243                         results = getContentResolver().applyBatch(MainApp.getAuthority(),
1244                                 operations);
1245                     } else {
1246                         results = getContentProviderClient().applyBatch(operations);
1247                     }
1248
1249                 } catch (OperationApplicationException e) {
1250                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1251
1252                 } catch (RemoteException e) {
1253                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1254                 }
1255             }
1256         }
1257
1258     }
1259
1260     public void updateSharedFiles(Collection<OCFile> sharedFiles) {
1261         resetShareFlagsInAllFiles();
1262
1263         if (sharedFiles != null) {
1264             ArrayList<ContentProviderOperation> operations =
1265                     new ArrayList<ContentProviderOperation>(sharedFiles.size());
1266
1267             // prepare operations to insert or update files to save in the given folder
1268             for (OCFile file : sharedFiles) {
1269                 ContentValues cv = new ContentValues();
1270                 cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
1271                 cv.put(
1272                         ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
1273                         file.getModificationTimestampAtLastSyncForData()
1274                 );
1275                 cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
1276                 cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
1277                 cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
1278                 cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
1279                 cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
1280                 cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
1281                 if (!file.isFolder()) {
1282                     cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
1283                 }
1284                 cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
1285                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
1286                 cv.put(
1287                         ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA,
1288                         file.getLastSyncDateForData()
1289                 );
1290                 cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.isFavorite() ? 1 : 0);
1291                 cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
1292                 cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, file.isSharedViaLink() ? 1 : 0);
1293                 cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, file.isSharedWithSharee() ? 1 : 0);
1294                 cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
1295                 cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
1296                 cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
1297                 cv.put(
1298                         ProviderTableMeta.FILE_UPDATE_THUMBNAIL,
1299                         file.needsUpdateThumbnail() ? 1 : 0
1300                 );
1301                 cv.put(
1302                         ProviderTableMeta.FILE_IS_DOWNLOADING,
1303                         file.isDownloading() ? 1 : 0
1304                 );
1305                 cv.put(ProviderTableMeta.FILE_ETAG_IN_CONFLICT, file.getEtagInConflict());
1306
1307                 boolean existsByPath = fileExists(file.getRemotePath());
1308                 if (existsByPath || fileExists(file.getFileId())) {
1309                     // updating an existing file
1310                     operations.add(
1311                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
1312                                     withValues(cv).
1313                                     withSelection(ProviderTableMeta._ID + "=?",
1314                                             new String[]{String.valueOf(file.getFileId())})
1315                                     .build());
1316
1317                 } else {
1318                     // adding a new file
1319                     operations.add(
1320                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
1321                                     withValues(cv).
1322                                     build()
1323                     );
1324                 }
1325             }
1326
1327             // apply operations in batch
1328             if (operations.size() > 0) {
1329                 @SuppressWarnings("unused")
1330                 ContentProviderResult[] results = null;
1331                 Log_OC.d(TAG, "Sending " + operations.size() +
1332                         " operations to FileContentProvider");
1333                 try {
1334                     if (getContentResolver() != null) {
1335                         results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1336                     } else {
1337                         results = getContentProviderClient().applyBatch(operations);
1338                     }
1339
1340                 } catch (OperationApplicationException e) {
1341                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1342
1343                 } catch (RemoteException e) {
1344                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1345                 }
1346             }
1347         }
1348
1349     }
1350
1351     public void removeShare(OCShare share) {
1352         Uri share_uri = ProviderTableMeta.CONTENT_URI_SHARE;
1353         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?" + " AND " +
1354                 ProviderTableMeta._ID + "=?";
1355         String [] whereArgs = new String[]{mAccount.name, Long.toString(share.getId())};
1356         if (getContentProviderClient() != null) {
1357             try {
1358                 getContentProviderClient().delete(share_uri, where, whereArgs);
1359             } catch (RemoteException e) {
1360                 e.printStackTrace();
1361             }
1362         } else {
1363             getContentResolver().delete(share_uri, where, whereArgs);
1364         }
1365     }
1366
1367     public void saveSharesDB(ArrayList<OCShare> shares) {
1368         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1369
1370         // Reset flags & Remove shares for this files
1371         String filePath = "";
1372         for (OCShare share: shares) {
1373             if (filePath != share.getPath()){
1374                 filePath = share.getPath();
1375                 resetShareFlagInAFile(filePath);
1376                 operations = prepareRemoveSharesInFile(filePath, operations);
1377             }
1378         }
1379
1380        // Add operations to insert shares
1381        operations = prepareInsertShares(shares, operations);
1382
1383         // apply operations in batch
1384         if (operations.size() > 0) {
1385             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1386             try {
1387                 if (getContentResolver() != null) {
1388                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1389
1390                 } else {
1391                     getContentProviderClient().applyBatch(operations);
1392                 }
1393
1394             } catch (OperationApplicationException e) {
1395                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1396
1397             } catch (RemoteException e) {
1398                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1399             }
1400         }
1401
1402 //        // TODO: review if it is needed
1403 //        // Update shared files
1404 //        ArrayList<OCFile> sharedFiles = new ArrayList<OCFile>();
1405 //
1406 //        for (OCShare share : shares) {
1407 //            // Get the path
1408 //            String path = share.getPath();
1409 //            if (share.isFolder()) {
1410 //                path = path + FileUtils.PATH_SEPARATOR;
1411 //            }
1412 //
1413 //            // Update OCFile with data from share: ShareByLink, publicLink and
1414 //            OCFile file = getFileByPath(path);
1415 //            if (file != null) {
1416 //                if (share.getShareType().equals(ShareType.PUBLIC_LINK)) {
1417 //                    file.setShareViaLink(true);
1418 //                    sharedFiles.add(file);
1419 //                }
1420 //            }
1421 //        }
1422 //
1423 //        // TODO: Review
1424 //        updateSharedFiles(sharedFiles);
1425     }
1426
1427
1428     public void saveSharesInFolder(ArrayList<OCShare> shares, OCFile folder) {
1429         resetShareFlagsInFolder(folder);
1430         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1431         operations = prepareRemoveSharesInFolder(folder, operations);
1432
1433         if (shares != null) {
1434             // prepare operations to insert or update files to save in the given folder
1435             operations = prepareInsertShares(shares, operations);
1436         }
1437
1438         // apply operations in batch
1439         if (operations.size() > 0) {
1440             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1441             try {
1442                 if (getContentResolver() != null) {
1443                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1444
1445                 } else {
1446                     getContentProviderClient().applyBatch(operations);
1447                 }
1448
1449             } catch (OperationApplicationException e) {
1450                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1451
1452             } catch (RemoteException e) {
1453
1454             }
1455         }
1456
1457     }
1458
1459     /**
1460      * Prepare operations to insert or update files to save in the given folder
1461      * @param shares        List of shares to insert
1462      * @param operations    List of operations
1463      * @return
1464      */
1465     private ArrayList<ContentProviderOperation> prepareInsertShares(
1466             ArrayList<OCShare> shares, ArrayList<ContentProviderOperation> operations) {
1467
1468         if (shares != null) {
1469             // prepare operations to insert or update files to save in the given folder
1470             for (OCShare share : shares) {
1471                 ContentValues cv = new ContentValues();
1472                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1473                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1474                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1475                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1476                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1477                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1478                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1479                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1480                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1481                 cv.put(
1482                         ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1483                         share.getSharedWithDisplayName()
1484                 );
1485                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1486                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1487                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1488                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1489
1490                 // adding a new share resource
1491                 operations.add(
1492                         ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1493                                 withValues(cv).
1494                                 build()
1495                 );
1496             }
1497         }
1498         return operations;
1499     }
1500
1501     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFolder(
1502             OCFile folder, ArrayList<ContentProviderOperation> preparedOperations) {
1503         if (folder != null) {
1504             String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND "
1505                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1506             String [] whereArgs = new String[]{ "", mAccount.name };
1507
1508             Vector<OCFile> files = getFolderContent(folder, false);
1509
1510             for (OCFile file : files) {
1511                 whereArgs[0] = file.getRemotePath();
1512                 preparedOperations.add(
1513                         ContentProviderOperation.newDelete(ProviderTableMeta.CONTENT_URI_SHARE).
1514                                 withSelection(where, whereArgs).
1515                                 build()
1516                 );
1517             }
1518         }
1519         return preparedOperations;
1520
1521     }
1522
1523     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFile(
1524             String filePath, ArrayList<ContentProviderOperation> preparedOperations) {
1525
1526         String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND "
1527                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1528         String[] whereArgs = new String[]{filePath, mAccount.name};
1529
1530         preparedOperations.add(
1531                 ContentProviderOperation.newDelete(ProviderTableMeta.CONTENT_URI_SHARE).
1532                         withSelection(where, whereArgs).
1533                         build()
1534         );
1535
1536         return preparedOperations;
1537
1538     }
1539
1540     public ArrayList<OCShare> getSharesWithForAFile(String filePath, String accountName){
1541         // Condition
1542         String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND "
1543                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?"+ "AND"
1544                 + " (" + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? OR "
1545                 + ProviderTableMeta.OCSHARES_SHARE_TYPE +  "=? ) ";
1546         String [] whereArgs = new String[]{ filePath, accountName ,
1547                 Integer.toString(ShareType.USER.getValue()),
1548                 Integer.toString(ShareType.GROUP.getValue()) };
1549
1550         Cursor c = null;
1551         if (getContentResolver() != null) {
1552             c = getContentResolver().query(
1553                     ProviderTableMeta.CONTENT_URI_SHARE,
1554                     null, where, whereArgs, null);
1555         } else {
1556             try {
1557                 c = getContentProviderClient().query(
1558                         ProviderTableMeta.CONTENT_URI_SHARE,
1559                         null, where, whereArgs, null);
1560
1561             } catch (RemoteException e) {
1562                 Log_OC.e(TAG, "Could not get list of shares with: " + e.getMessage());
1563                 c = null;
1564             }
1565         }
1566         ArrayList<OCShare> shares = new ArrayList<OCShare>();
1567         OCShare share = null;
1568         if (c.moveToFirst()) {
1569             do {
1570                 share = createShareInstance(c);
1571                 shares.add(share);
1572                 // }
1573             } while (c.moveToNext());
1574         }
1575         c.close();
1576
1577         return shares;
1578     }
1579
1580     public static void triggerMediaScan(String path) {
1581         Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
1582         intent.setData(Uri.fromFile(new File(path)));
1583         MainApp.getAppContext().sendBroadcast(intent);
1584     }
1585
1586     public void deleteFileInMediaScan(String path) {
1587
1588         String mimetypeString = FileStorageUtils.getMimeTypeFromName(path);
1589         ContentResolver contentResolver = getContentResolver();
1590
1591         if (contentResolver != null) {
1592             if (mimetypeString.startsWith("image/")) {
1593                 // Images
1594                 contentResolver.delete(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
1595                         MediaStore.Images.Media.DATA + "=?", new String[]{path});
1596             } else if (mimetypeString.startsWith("audio/")) {
1597                 // Audio
1598                 contentResolver.delete(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
1599                         MediaStore.Audio.Media.DATA + "=?", new String[]{path});
1600             } else if (mimetypeString.startsWith("video/")) {
1601                 // Video
1602                 contentResolver.delete(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
1603                         MediaStore.Video.Media.DATA + "=?", new String[]{path});
1604             }
1605         } else {
1606             ContentProviderClient contentProviderClient = getContentProviderClient();
1607             try {
1608                 if (mimetypeString.startsWith("image/")) {
1609                     // Images
1610                     contentProviderClient.delete(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
1611                             MediaStore.Images.Media.DATA + "=?", new String[]{path});
1612                 } else if (mimetypeString.startsWith("audio/")) {
1613                     // Audio
1614                     contentProviderClient.delete(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
1615                             MediaStore.Audio.Media.DATA + "=?", new String[]{path});
1616                 } else if (mimetypeString.startsWith("video/")) {
1617                     // Video
1618                     contentProviderClient.delete(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
1619                             MediaStore.Video.Media.DATA + "=?", new String[]{path});
1620                 }
1621             } catch (RemoteException e) {
1622                 Log_OC.e(TAG, "Exception deleting media file in MediaStore " + e.getMessage());
1623             }
1624         }
1625
1626     }
1627
1628     public void saveConflict(OCFile file, String etagInConflict) {
1629         if (!file.isDown()) {
1630             etagInConflict = null;
1631         }
1632         ContentValues cv = new ContentValues();
1633         cv.put(ProviderTableMeta.FILE_ETAG_IN_CONFLICT, etagInConflict);
1634         int updated = 0;
1635         if (getContentResolver() != null) {
1636             updated = getContentResolver().update(
1637                     ProviderTableMeta.CONTENT_URI_FILE,
1638                     cv,
1639                     ProviderTableMeta._ID + "=?",
1640                     new String[] { String.valueOf(file.getFileId())}
1641             );
1642         } else {
1643             try {
1644                 updated = getContentProviderClient().update(
1645                         ProviderTableMeta.CONTENT_URI_FILE,
1646                         cv,
1647                         ProviderTableMeta._ID + "=?",
1648                         new String[]{String.valueOf(file.getFileId())}
1649                 );
1650             } catch (RemoteException e) {
1651                 Log_OC.e(TAG, "Failed saving conflict in database " + e.getMessage());
1652             }
1653         }
1654
1655         Log_OC.d(TAG, "Number of files updated with CONFLICT: " + updated);
1656
1657         if (updated > 0) {
1658             if (etagInConflict != null) {
1659                 /// set conflict in all ancestor folders
1660
1661                 long parentId = file.getParentId();
1662                 Set<String> ancestorIds = new HashSet<String>();
1663                 while (parentId != FileDataStorageManager.ROOT_PARENT_ID) {
1664                     ancestorIds.add(Long.toString(parentId));
1665                     parentId = getFileById(parentId).getParentId();
1666                 }
1667
1668                 if (ancestorIds.size() > 0) {
1669                     StringBuffer whereBuffer = new StringBuffer();
1670                     whereBuffer.append(ProviderTableMeta._ID).append(" IN (");
1671                     for (int i = 0; i < ancestorIds.size() - 1; i++) {
1672                         whereBuffer.append("?,");
1673                     }
1674                     whereBuffer.append("?");
1675                     whereBuffer.append(")");
1676
1677                     if (getContentResolver() != null) {
1678                         updated = getContentResolver().update(
1679                                 ProviderTableMeta.CONTENT_URI_FILE,
1680                                 cv,
1681                                 whereBuffer.toString(),
1682                                 ancestorIds.toArray(new String[]{})
1683                         );
1684                     } else {
1685                         try {
1686                             updated = getContentProviderClient().update(
1687                                     ProviderTableMeta.CONTENT_URI_FILE,
1688                                     cv,
1689                                     whereBuffer.toString(),
1690                                     ancestorIds.toArray(new String[]{})
1691                             );
1692                         } catch (RemoteException e) {
1693                             Log_OC.e(TAG, "Failed saving conflict in database " + e.getMessage());
1694                         }
1695                     }
1696                 } // else file is ROOT folder, no parent to set in conflict
1697
1698             } else {
1699                 /// update conflict in ancestor folders
1700                 // (not directly unset; maybe there are more conflicts below them)
1701                 String parentPath = file.getRemotePath();
1702                 if (parentPath.endsWith(OCFile.PATH_SEPARATOR)) {
1703                     parentPath = parentPath.substring(0, parentPath.length() - 1);
1704                 }
1705                 parentPath = parentPath.substring(0, parentPath.lastIndexOf(OCFile.PATH_SEPARATOR) + 1);
1706
1707                 Log_OC.d(TAG, "checking parents to remove conflict; STARTING with " + parentPath);
1708                 while (parentPath.length() > 0) {
1709
1710                     String where =
1711                             ProviderTableMeta.FILE_ETAG_IN_CONFLICT + " IS NOT NULL AND " +
1712                                     ProviderTableMeta.FILE_CONTENT_TYPE + " != 'DIR' AND " +
1713                                     ProviderTableMeta.FILE_ACCOUNT_OWNER + " = ? AND " +
1714                                     ProviderTableMeta.FILE_PATH + " LIKE ?";
1715                     Cursor descendentsInConflict = getContentResolver().query(
1716                             ProviderTableMeta.CONTENT_URI_FILE,
1717                             new String[]{ProviderTableMeta._ID},
1718                             where,
1719                             new String[]{mAccount.name, parentPath + "%"},
1720                             null
1721                     );
1722                     if (descendentsInConflict == null || descendentsInConflict.getCount() == 0) {
1723                         Log_OC.d(TAG, "NO MORE conflicts in " + parentPath);
1724                         if (getContentResolver() != null) {
1725                             updated = getContentResolver().update(
1726                                     ProviderTableMeta.CONTENT_URI_FILE,
1727                                     cv,
1728                                     ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1729                                             ProviderTableMeta.FILE_PATH + "=?",
1730                                     new String[]{mAccount.name, parentPath}
1731                             );
1732                         } else {
1733                             try {
1734                                 updated = getContentProviderClient().update(
1735                                         ProviderTableMeta.CONTENT_URI_FILE,
1736                                         cv,
1737                                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1738                                                 ProviderTableMeta.FILE_PATH + "=?"
1739                                         , new String[]{mAccount.name, parentPath}
1740                                 );
1741                             } catch (RemoteException e) {
1742                                 Log_OC.e(TAG, "Failed saving conflict in database " + e.getMessage());
1743                             }
1744                         }
1745
1746                     } else {
1747                         Log_OC.d(TAG, "STILL " + descendentsInConflict.getCount() + " in " + parentPath);
1748                     }
1749
1750                     if (descendentsInConflict != null) {
1751                         descendentsInConflict.close();
1752                     }
1753
1754                     parentPath = parentPath.substring(0, parentPath.length() - 1);  // trim last /
1755                     parentPath = parentPath.substring(0, parentPath.lastIndexOf(OCFile.PATH_SEPARATOR) + 1);
1756                     Log_OC.d(TAG, "checking parents to remove conflict; NEXT " + parentPath);
1757                 }
1758             }
1759         }
1760
1761     }
1762
1763     public OCCapability saveCapabilities(OCCapability capability){
1764
1765         // Prepare capabilities data
1766         ContentValues cv = new ContentValues();
1767         cv.put(ProviderTableMeta.CAPABILITIES_ACCOUNT_NAME, mAccount.name);
1768         cv.put(ProviderTableMeta.CAPABILITIES_VERSION_MAYOR, capability.getVersionMayor());
1769         cv.put(ProviderTableMeta.CAPABILITIES_VERSION_MINOR, capability.getVersionMinor());
1770         cv.put(ProviderTableMeta.CAPABILITIES_VERSION_MICRO, capability.getVersionMicro());
1771         cv.put(ProviderTableMeta.CAPABILITIES_VERSION_STRING, capability.getVersionString());
1772         cv.put(ProviderTableMeta.CAPABILITIES_VERSION_EDITION, capability.getVersionEdition());
1773         cv.put(ProviderTableMeta.CAPABILITIES_CORE_POLLINTERVAL, capability.getCorePollinterval());
1774         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_API_ENABLED, capability.getFilesSharingApiEnabled().getValue());
1775         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_ENABLED,
1776                 capability.getFilesSharingPublicEnabled().getValue());
1777         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_PASSWORD_ENFORCED,
1778                 capability.getFilesSharingPublicPasswordEnforced().getValue());
1779         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_EXPIRE_DATE_ENABLED,
1780                 capability.getFilesSharingPublicExpireDateEnabled().getValue());
1781         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_EXPIRE_DATE_DAYS,
1782                 capability.getFilesSharingPublicExpireDateDays());
1783         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_EXPIRE_DATE_ENFORCED,
1784                 capability.getFilesSharingPublicExpireDateEnforced().getValue());
1785         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_SEND_MAIL,
1786                 capability.getFilesSharingPublicSendMail().getValue());
1787         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_UPLOAD,
1788                 capability.getFilesSharingPublicUpload().getValue());
1789         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_USER_SEND_MAIL,
1790                 capability.getFilesSharingUserSendMail().getValue());
1791         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_RESHARING, capability.getFilesSharingResharing().getValue());
1792         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_FEDERATION_OUTGOING,
1793                 capability.getFilesSharingFederationOutgoing().getValue());
1794         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_FEDERATION_INCOMING,
1795                 capability.getFilesSharingFederationIncoming().getValue());
1796         cv.put(ProviderTableMeta.CAPABILITIES_FILES_BIGFILECHUNKING, capability.getFilesBigFileChuncking().getValue());
1797         cv.put(ProviderTableMeta.CAPABILITIES_FILES_UNDELETE, capability.getFilesUndelete().getValue());
1798         cv.put(ProviderTableMeta.CAPABILITIES_FILES_VERSIONING, capability.getFilesVersioning().getValue());
1799
1800         if (capabilityExists(mAccount.name)) {
1801             if (getContentResolver() != null) {
1802                 getContentResolver().update(ProviderTableMeta.CONTENT_URI_CAPABILITIES, cv,
1803                         ProviderTableMeta.CAPABILITIES_ACCOUNT_NAME + "=?",
1804                         new String[]{mAccount.name});
1805             } else {
1806                 try {
1807                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_CAPABILITIES,
1808                             cv, ProviderTableMeta.CAPABILITIES_ACCOUNT_NAME + "=?",
1809                             new String[]{mAccount.name});
1810                 } catch (RemoteException e) {
1811                     Log_OC.e(TAG,
1812                             "Fail to insert insert file to database "
1813                                     + e.getMessage());
1814                 }
1815             }
1816         } else {
1817             Uri result_uri = null;
1818             if (getContentResolver() != null) {
1819                 result_uri = getContentResolver().insert(
1820                         ProviderTableMeta.CONTENT_URI_CAPABILITIES, cv);
1821             } else {
1822                 try {
1823                     result_uri = getContentProviderClient().insert(
1824                             ProviderTableMeta.CONTENT_URI_CAPABILITIES, cv);
1825                 } catch (RemoteException e) {
1826                     Log_OC.e(TAG,
1827                             "Fail to insert insert capability to database "
1828                                     + e.getMessage());
1829                 }
1830             }
1831             if (result_uri != null) {
1832                 long new_id = Long.parseLong(result_uri.getPathSegments()
1833                         .get(1));
1834                 capability.setId(new_id);
1835                 capability.setAccountName(mAccount.name);
1836             }
1837         }
1838
1839         return capability;
1840     }
1841
1842     private boolean capabilityExists(String accountName) {
1843         Cursor c = getCapabilityCursorForAccount(accountName);
1844         boolean exists = false;
1845         if (c != null) {
1846             exists = c.moveToFirst();
1847             c.close();
1848         }
1849         return exists;
1850     }
1851
1852     private Cursor getCapabilityCursorForAccount(String accountName){
1853         Cursor c = null;
1854         if (getContentResolver() != null) {
1855             c = getContentResolver()
1856                     .query(ProviderTableMeta.CONTENT_URI_CAPABILITIES,
1857                             null,
1858                             ProviderTableMeta.CAPABILITIES_ACCOUNT_NAME + "=? ",
1859                             new String[]{accountName}, null);
1860         } else {
1861             try {
1862                 c = getContentProviderClient().query(
1863                         ProviderTableMeta.CONTENT_URI_CAPABILITIES,
1864                         null,
1865                         ProviderTableMeta.CAPABILITIES_ACCOUNT_NAME + "=? ",
1866                         new String[]{accountName}, null);
1867             } catch (RemoteException e) {
1868                 Log_OC.e(TAG,
1869                         "Couldn't determine capability existance, assuming non existance: "
1870                                 + e.getMessage());
1871             }
1872         }
1873
1874         return c;
1875
1876     }
1877     public OCCapability getCapability(String accountName){
1878         OCCapability capability = null;
1879         Cursor c = getCapabilityCursorForAccount(accountName);
1880
1881         if (c.moveToFirst()) {
1882             capability = createCapabilityInstance(c);
1883         }
1884         c.close();
1885         return capability;
1886     }
1887
1888     private OCCapability createCapabilityInstance(Cursor c) {
1889         OCCapability capability = null;
1890         if (c != null) {
1891             capability = new OCCapability();
1892             capability.setId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
1893             capability.setAccountName(c.getString(c
1894                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_ACCOUNT_NAME)));
1895             capability.setVersionMayor(c.getInt(c
1896                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_VERSION_MAYOR)));
1897             capability.setVersionMinor(c.getInt(c
1898                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_VERSION_MINOR)));
1899             capability.setVersionMicro(c.getInt(c
1900                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_VERSION_MICRO)));
1901             capability.setVersionString(c.getString(c
1902                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_VERSION_STRING)));
1903             capability.setVersionEdition(c.getString(c
1904                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_VERSION_EDITION)));
1905             capability.setCorePollinterval(c.getInt(c
1906                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_CORE_POLLINTERVAL)));
1907             capability.setFilesSharingApiEnabled(CapabilityBooleanType.fromValue(c.getInt(c
1908                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_API_ENABLED))));
1909             capability.setFilesSharingPublicEnabled(CapabilityBooleanType.fromValue(c.getInt(c
1910                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_ENABLED))));
1911             capability.setFilesSharingPublicPasswordEnforced(CapabilityBooleanType.fromValue(c.getInt(c
1912                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_PASSWORD_ENFORCED))));
1913             capability.setFilesSharingPublicExpireDateEnabled(CapabilityBooleanType.fromValue(c.getInt(c
1914                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_EXPIRE_DATE_ENABLED))));
1915             capability.setFilesSharingPublicExpireDateDays(c.getInt(c
1916                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_EXPIRE_DATE_DAYS)));
1917             capability.setFilesSharingPublicExpireDateEnforced(CapabilityBooleanType.fromValue(c.getInt(c
1918                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_EXPIRE_DATE_ENFORCED))));
1919             capability.setFilesSharingPublicSendMail(CapabilityBooleanType.fromValue(c.getInt(c
1920                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_SEND_MAIL))));
1921             capability.setFilesSharingPublicUpload(CapabilityBooleanType.fromValue(c.getInt(c
1922                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_UPLOAD))));
1923             capability.setFilesSharingUserSendMail(CapabilityBooleanType.fromValue(c.getInt(c
1924                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_USER_SEND_MAIL))));
1925             capability.setFilesSharingResharing(CapabilityBooleanType.fromValue(c.getInt(c
1926                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_RESHARING))));
1927             capability.setFilesSharingFederationOutgoing(CapabilityBooleanType.fromValue(c.getInt(c
1928                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_FEDERATION_OUTGOING))));
1929             capability.setFilesSharingFederationIncoming(CapabilityBooleanType.fromValue(c.getInt(c
1930                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_FEDERATION_INCOMING))));
1931             capability.setFilesBigFileChuncking(CapabilityBooleanType.fromValue(c.getInt(c
1932                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_FILES_BIGFILECHUNKING))));
1933             capability.setFilesUndelete(CapabilityBooleanType.fromValue(c.getInt(c
1934                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_FILES_UNDELETE))));
1935             capability.setFilesVersioning(CapabilityBooleanType.fromValue(c.getInt(c
1936                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_FILES_VERSIONING))));
1937
1938         }
1939         return capability;
1940     }
1941 }