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