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 android.accounts.Account;
  24 import android.content.ContentProviderClient;
  25 import android.content.ContentProviderOperation;
  26 import android.content.ContentProviderResult;
  27 import android.content.ContentResolver;
  28 import android.content.ContentUris;
  29 import android.content.ContentValues;
  30 import android.content.Intent;
  31 import android.content.OperationApplicationException;
  32 import android.database.Cursor;
  33 import android.net.Uri;
  34 import android.os.RemoteException;
  35 import android.provider.MediaStore;
  36
  37 import com.owncloud.android.MainApp;
  38 import com.owncloud.android.db.ProviderMeta.ProviderTableMeta;
  39 import com.owncloud.android.lib.common.utils.Log_OC;
  40 import com.owncloud.android.lib.resources.shares.OCShare;
  41 import com.owncloud.android.lib.resources.shares.ShareType;
  42 import com.owncloud.android.lib.resources.status.CapabilityBooleanType;
  43 import com.owncloud.android.lib.resources.status.OCCapability;
  44 import com.owncloud.android.utils.FileStorageUtils;
  45
  46 import java.io.File;
  47 import java.io.FileInputStream;
  48 import java.io.FileOutputStream;
  49 import java.io.IOException;
  50 import java.io.InputStream;
  51 import java.io.OutputStream;
  52 import java.util.ArrayList;
  53 import java.util.Collection;
  54 import java.util.Collections;
  55 import java.util.HashSet;
  56 import java.util.Iterator;
  57 import java.util.List;
  58 import java.util.Set;
  59 import java.util.Vector;
  60
  61 public class FileDataStorageManager {
  62
  63     public static final int ROOT_PARENT_ID = 0;
  64
  65     private ContentResolver mContentResolver;
  66     private ContentProviderClient mContentProviderClient;
  67     private Account mAccount;
  68
  69     private static String TAG = FileDataStorageManager.class.getSimpleName();
  70
  71
  72     public FileDataStorageManager(Account account, ContentResolver cr) {
  73         mContentProviderClient = null;
  74         mContentResolver = cr;
  75         mAccount = account;
  76     }
  77
  78     public FileDataStorageManager(Account account, ContentProviderClient cp) {
  79         mContentProviderClient = cp;
  80         mContentResolver = null;
  81         mAccount = account;
  82     }
  83
  84
  85     public void setAccount(Account account) {
  86         mAccount = account;
  87     }
  88
  89     public Account getAccount() {
  90         return mAccount;
  91     }
  92
  93     public ContentResolver getContentResolver() {
  94         return mContentResolver;
  95     }
  96
  97     public ContentProviderClient getContentProviderClient() {
  98         return mContentProviderClient;
  99     }
 100
 101
 102     public OCFile getFileByPath(String path) {
 103         Cursor c = getCursorForValue(ProviderTableMeta.FILE_PATH, path);
 104         OCFile file = null;
 105         if (c.moveToFirst()) {
 106             file = createFileInstance(c);
 107         }
 108         c.close();
 109         if (file == null && OCFile.ROOT_PATH.equals(path)) {
 110             return createRootDir(); // root should always exist
 111         }
 112         return file;
 113     }
 114
 115
 116     public OCFile getFileById(long id) {
 117         Cursor c = getCursorForValue(ProviderTableMeta._ID, String.valueOf(id));
 118         OCFile file = null;
 119         if (c.moveToFirst()) {
 120             file = createFileInstance(c);
 121         }
 122         c.close();
 123         return file;
 124     }
 125
 126     public OCFile getFileByLocalPath(String path) {
 127         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 128         OCFile file = null;
 129         if (c.moveToFirst()) {
 130             file = createFileInstance(c);
 131         }
 132         c.close();
 133         return file;
 134     }
 135
 136     public boolean fileExists(long id) {
 137         return fileExists(ProviderTableMeta._ID, String.valueOf(id));
 138     }
 139
 140     public boolean fileExists(String path) {
 141         return fileExists(ProviderTableMeta.FILE_PATH, path);
 142     }
 143
 144
 145     public Vector<OCFile> getFolderContent(OCFile f/*, boolean onlyOnDevice*/) {
 146         if (f != null && f.isFolder() && f.getFileId() != -1) {
 147             // TODO Enable when "On Device" is recovered ?
 148             return getFolderContent(f.getFileId()/*, onlyOnDevice*/);
 149
 150         } else {
 151             return new Vector<OCFile>();
 152         }
 153     }
 154
 155
 156     public Vector<OCFile> getFolderImages(OCFile folder/*, boolean onlyOnDevice*/) {
 157         Vector<OCFile> ret = new Vector<OCFile>();
 158         if (folder != null) {
 159             // TODO better implementation, filtering in the access to database instead of here
 160             // TODO Enable when "On Device" is recovered ?
 161             Vector<OCFile> tmp = getFolderContent(folder/*, onlyOnDevice*/);
 162             OCFile current = null;
 163             for (int i=0; i<tmp.size(); i++) {
 164                 current = tmp.get(i);
 165                 if (current.isImage()) {
 166                     ret.add(current);
 167                 }
 168             }
 169         }
 170         return ret;
 171     }
 172
 173     public boolean saveFile(OCFile file) {
 174         boolean overriden = false;
 175         ContentValues cv = new ContentValues();
 176         cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 177         cv.put(
 178                 ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 179                 file.getModificationTimestampAtLastSyncForData()
 180         );
 181         cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 182         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 183         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 184         cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 185         cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 186         cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 187         if (!file.isFolder())
 188             cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 189         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 190         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 191         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 192         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.isFavorite() ? 1 : 0);
 193         cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 194         cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, file.isSharedViaLink() ? 1 : 0);
 195         cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, file.isSharedWithSharee() ? 1 : 0);
 196         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 197         cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 198         cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 199         cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
 200         cv.put(ProviderTableMeta.FILE_IS_DOWNLOADING, file.isDownloading());
 201         cv.put(ProviderTableMeta.FILE_ETAG_IN_CONFLICT, file.getEtagInConflict());
 202
 203         boolean sameRemotePath = fileExists(file.getRemotePath());
 204         if (sameRemotePath ||
 205                 fileExists(file.getFileId())) {  // for renamed files; no more delete and create
 206
 207             OCFile oldFile;
 208             if (sameRemotePath) {
 209                 oldFile = getFileByPath(file.getRemotePath());
 210                 file.setFileId(oldFile.getFileId());
 211             } else {
 212                 oldFile = getFileById(file.getFileId());
 213             }
 214
 215             overriden = true;
 216             if (getContentResolver() != null) {
 217                 getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv,
 218                         ProviderTableMeta._ID + "=?",
 219                         new String[]{String.valueOf(file.getFileId())});
 220             } else {
 221                 try {
 222                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI,
 223                             cv, ProviderTableMeta._ID + "=?",
 224                             new String[]{String.valueOf(file.getFileId())});
 225                 } catch (RemoteException e) {
 226                     Log_OC.e(TAG,
 227                             "Fail to insert insert file to database "
 228                                     + e.getMessage());
 229                 }
 230             }
 231         } else {
 232             Uri result_uri = null;
 233             if (getContentResolver() != null) {
 234                 result_uri = getContentResolver().insert(
 235                         ProviderTableMeta.CONTENT_URI_FILE, cv);
 236             } else {
 237                 try {
 238                     result_uri = getContentProviderClient().insert(
 239                             ProviderTableMeta.CONTENT_URI_FILE, cv);
 240                 } catch (RemoteException e) {
 241                     Log_OC.e(TAG,
 242                             "Fail to insert insert file to database "
 243                                     + e.getMessage());
 244                 }
 245             }
 246             if (result_uri != null) {
 247                 long new_id = Long.parseLong(result_uri.getPathSegments()
 248                         .get(1));
 249                 file.setFileId(new_id);
 250             }
 251         }
 252
 253         return overriden;
 254     }
 255
 256
 257     /**
 258      * Inserts or updates the list of files contained in a given folder.
 259      * <p/>
 260      * CALLER IS THE RESPONSIBLE FOR GRANTING RIGHT UPDATE OF INFORMATION, NOT THIS METHOD.
 261      * HERE ONLY DATA CONSISTENCY SHOULD BE GRANTED
 262      *
 263      * @param folder
 264      * @param updatedFiles
 265      * @param filesToRemove
 266      */
 267     public void saveFolder(
 268             OCFile folder, Collection<OCFile> updatedFiles, Collection<OCFile> filesToRemove
 269     ) {
 270
 271         Log_OC.d(TAG,  "Saving folder " + folder.getRemotePath() + " with " + updatedFiles.size()
 272                 + " children and " + filesToRemove.size() + " files to remove");
 273
 274         ArrayList<ContentProviderOperation> operations =
 275                 new ArrayList<ContentProviderOperation>(updatedFiles.size());
 276
 277         // prepare operations to insert or update files to save in the given folder
 278         for (OCFile file : updatedFiles) {
 279             ContentValues cv = new ContentValues();
 280             cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 281             cv.put(
 282                     ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 283                     file.getModificationTimestampAtLastSyncForData()
 284             );
 285             cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 286             cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 287             cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 288             cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 289             //cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 290             cv.put(ProviderTableMeta.FILE_PARENT, folder.getFileId());
 291             cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 292             if (!file.isFolder()) {
 293                 cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 294             }
 295             cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 296             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 297             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 298             cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.isFavorite() ? 1 : 0);
 299             cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 300             cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, file.isSharedViaLink() ? 1 : 0);
 301             cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, file.isSharedWithSharee() ? 1 : 0);
 302             cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 303             cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 304             cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 305             cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
 306             cv.put(ProviderTableMeta.FILE_IS_DOWNLOADING, file.isDownloading());
 307             cv.put(ProviderTableMeta.FILE_ETAG_IN_CONFLICT, file.getEtagInConflict());
 308
 309             boolean existsByPath = fileExists(file.getRemotePath());
 310             if (existsByPath || fileExists(file.getFileId())) {
 311                 // updating an existing file
 312                 operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 313                         withValues(cv).
 314                         withSelection(ProviderTableMeta._ID + "=?",
 315                                 new String[]{String.valueOf(file.getFileId())})
 316                         .build());
 317
 318             } else {
 319                 // adding a new file
 320                 operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
 321                         withValues(cv).build());
 322             }
 323         }
 324
 325         // prepare operations to remove files in the given folder
 326         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 327                 ProviderTableMeta.FILE_PATH + "=?";
 328         String [] whereArgs = null;
 329         for (OCFile file : filesToRemove) {
 330             if (file.getParentId() == folder.getFileId()) {
 331                 whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 332                 if (file.isFolder()) {
 333                     operations.add(ContentProviderOperation.newDelete(
 334                             ContentUris.withAppendedId(
 335                                     ProviderTableMeta.CONTENT_URI_DIR, file.getFileId()
 336                             )
 337                     ).withSelection(where, whereArgs).build());
 338
 339                     File localFolder =
 340                             new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 341                     if (localFolder.exists()) {
 342                         removeLocalFolder(localFolder);
 343                     }
 344                 } else {
 345                     operations.add(ContentProviderOperation.newDelete(
 346                             ContentUris.withAppendedId(
 347                                     ProviderTableMeta.CONTENT_URI_FILE, file.getFileId()
 348                             )
 349                     ).withSelection(where, whereArgs).build());
 350
 351                     if (file.isDown()) {
 352                         String path = file.getStoragePath();
 353                         new File(path).delete();
 354                         triggerMediaScan(path); // notify MediaScanner about removed file
 355                     }
 356                 }
 357             }
 358         }
 359
 360         // update metadata of folder
 361         ContentValues cv = new ContentValues();
 362         cv.put(ProviderTableMeta.FILE_MODIFIED, folder.getModificationTimestamp());
 363         cv.put(
 364                 ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 365                 folder.getModificationTimestampAtLastSyncForData()
 366         );
 367         cv.put(ProviderTableMeta.FILE_CREATION, folder.getCreationTimestamp());
 368         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, 0);
 369         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, folder.getMimetype());
 370         cv.put(ProviderTableMeta.FILE_NAME, folder.getFileName());
 371         cv.put(ProviderTableMeta.FILE_PARENT, folder.getParentId());
 372         cv.put(ProviderTableMeta.FILE_PATH, folder.getRemotePath());
 373         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 374         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, folder.getLastSyncDateForProperties());
 375         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, folder.getLastSyncDateForData());
 376         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, folder.isFavorite() ? 1 : 0);
 377         cv.put(ProviderTableMeta.FILE_ETAG, folder.getEtag());
 378         cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, folder.isSharedViaLink() ? 1 : 0);
 379         cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, folder.isSharedWithSharee() ? 1 : 0);
 380         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, folder.getPublicLink());
 381         cv.put(ProviderTableMeta.FILE_PERMISSIONS, folder.getPermissions());
 382         cv.put(ProviderTableMeta.FILE_REMOTE_ID, folder.getRemoteId());
 383
 384         operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 385                 withValues(cv).
 386                 withSelection(ProviderTableMeta._ID + "=?",
 387                         new String[]{String.valueOf(folder.getFileId())})
 388                 .build());
 389
 390         // apply operations in batch
 391         ContentProviderResult[] results = null;
 392         Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
 393         try {
 394             if (getContentResolver() != null) {
 395                 results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 396
 397             } else {
 398                 results = getContentProviderClient().applyBatch(operations);
 399             }
 400
 401         } catch (OperationApplicationException e) {
 402             Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
 403
 404         } catch (RemoteException e) {
 405             Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
 406         }
 407
 408         // update new id in file objects for insertions
 409         if (results != null) {
 410             long newId;
 411             Iterator<OCFile> filesIt = updatedFiles.iterator();
 412             OCFile file = null;
 413             for (int i = 0; i < results.length; i++) {
 414                 if (filesIt.hasNext()) {
 415                     file = filesIt.next();
 416                 } else {
 417                     file = null;
 418                 }
 419                 if (results[i].uri != null) {
 420                     newId = Long.parseLong(results[i].uri.getPathSegments().get(1));
 421                     //updatedFiles.get(i).setFileId(newId);
 422                     if (file != null) {
 423                         file.setFileId(newId);
 424                     }
 425                 }
 426             }
 427         }
 428
 429     }
 430
 431
 432     public boolean removeFile(OCFile file, boolean removeDBData, boolean removeLocalCopy) {
 433         boolean success = true;
 434         if (file != null) {
 435             if (file.isFolder()) {
 436                 success = removeFolder(file, removeDBData, removeLocalCopy);
 437
 438             } else {
 439                 if (removeDBData) {
 440                     //Uri file_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE,
 441                     // ""+file.getFileId());
 442                     Uri file_uri = ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_FILE,
 443                             file.getFileId());
 444                     String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 445                             ProviderTableMeta.FILE_PATH + "=?";
 446                     String[] whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 447                     int deleted = 0;
 448                     if (getContentProviderClient() != null) {
 449                         try {
 450                             deleted = getContentProviderClient().delete(file_uri, where, whereArgs);
 451                         } catch (RemoteException e) {
 452                             e.printStackTrace();
 453                         }
 454                     } else {
 455                         deleted = getContentResolver().delete(file_uri, where, whereArgs);
 456                     }
 457                     success &= (deleted > 0);
 458                 }
 459                 String localPath = file.getStoragePath();
 460                 if (removeLocalCopy && file.isDown() && localPath != null && success) {
 461                     success = new File(localPath).delete();
 462                     if (success) {
 463                         deleteFileInMediaScan(localPath);
 464                     }
 465                     if (!removeDBData && success) {
 466                         // maybe unnecessary, but should be checked TODO remove if unnecessary
 467                         file.setStoragePath(null);
 468                         saveFile(file);
 469                         saveConflict(file, null);
 470                     }
 471                 }
 472             }
 473         }
 474         return success;
 475     }
 476
 477
 478     public boolean removeFolder(OCFile folder, boolean removeDBData, boolean removeLocalContent) {
 479         boolean success = true;
 480         if (folder != null && folder.isFolder()) {
 481             if (removeDBData && folder.getFileId() != -1) {
 482                 success = removeFolderInDb(folder);
 483             }
 484             if (removeLocalContent && success) {
 485                 success = removeLocalFolder(folder);
 486             }
 487         }
 488         return success;
 489     }
 490
 491     private boolean removeFolderInDb(OCFile folder) {
 492         Uri folder_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, "" +
 493                 folder.getFileId());   // URI for recursive deletion
 494         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 495                 ProviderTableMeta.FILE_PATH + "=?";
 496         String [] whereArgs = new String[]{mAccount.name, folder.getRemotePath()};
 497         int deleted = 0;
 498         if (getContentProviderClient() != null) {
 499             try {
 500                 deleted = getContentProviderClient().delete(folder_uri, where, whereArgs);
 501             } catch (RemoteException e) {
 502                 e.printStackTrace();
 503             }
 504         } else {
 505             deleted = getContentResolver().delete(folder_uri, where, whereArgs);
 506         }
 507         return deleted > 0;
 508     }
 509
 510     private boolean removeLocalFolder(OCFile folder) {
 511         boolean success = true;
 512         String localFolderPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, folder);
 513         File localFolder = new File(localFolderPath);
 514         if (localFolder.exists()) {
 515             // stage 1: remove the local files already registered in the files database
 516             // TODO Enable when "On Device" is recovered ?
 517             Vector<OCFile> files = getFolderContent(folder.getFileId()/*, false*/);
 518             if (files != null) {
 519                 for (OCFile file : files) {
 520                     if (file.isFolder()) {
 521                         success &= removeLocalFolder(file);
 522                     } else {
 523                         if (file.isDown()) {
 524                             File localFile = new File(file.getStoragePath());
 525                             success &= localFile.delete();
 526                             if (success) {
 527                                 // notify MediaScanner about removed file
 528                                 deleteFileInMediaScan(file.getStoragePath());
 529                                 file.setStoragePath(null);
 530                                 saveFile(file);
 531                             }
 532                         }
 533                     }
 534                 }
 535             }
 536
 537             // stage 2: remove the folder itself and any local file inside out of sync;
 538             //          for instance, after clearing the app cache or reinstalling
 539             success &= removeLocalFolder(localFolder);
 540         }
 541         return success;
 542     }
 543
 544     private boolean removeLocalFolder(File localFolder) {
 545         boolean success = true;
 546         File[] localFiles = localFolder.listFiles();
 547         if (localFiles != null) {
 548             for (File localFile : localFiles) {
 549                 if (localFile.isDirectory()) {
 550                     success &= removeLocalFolder(localFile);
 551                 } else {
 552                     String path = localFile.getAbsolutePath();
 553                     success &= localFile.delete();
 554                 }
 555             }
 556         }
 557         success &= localFolder.delete();
 558         return success;
 559     }
 560
 561
 562     /**
 563      * Updates database and file system for a file or folder that was moved to a different location.
 564      *
 565      * TODO explore better (faster) implementations
 566      * TODO throw exceptions up !
 567      */
 568     public void moveLocalFile(OCFile file, String targetPath, String targetParentPath) {
 569
 570         if (file != null && file.fileExists() && !OCFile.ROOT_PATH.equals(file.getFileName())) {
 571
 572             OCFile targetParent = getFileByPath(targetParentPath);
 573             if (targetParent == null) {
 574                 throw new IllegalStateException(
 575                         "Parent folder of the target path does not exist!!");
 576             }
 577
 578             /// 1. get all the descendants of the moved element in a single QUERY
 579             Cursor c = null;
 580             if (getContentProviderClient() != null) {
 581                 try {
 582                     c = getContentProviderClient().query(
 583                             ProviderTableMeta.CONTENT_URI,
 584                             null,
 585                             ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 586                                     ProviderTableMeta.FILE_PATH + " LIKE ? ",
 587                             new String[]{
 588                                     mAccount.name,
 589                                     file.getRemotePath() + "%"
 590                             },
 591                             ProviderTableMeta.FILE_PATH + " ASC "
 592                     );
 593                 } catch (RemoteException e) {
 594                     Log_OC.e(TAG, e.getMessage());
 595                 }
 596
 597             } else {
 598                 c = getContentResolver().query(
 599                         ProviderTableMeta.CONTENT_URI,
 600                         null,
 601                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 602                                 ProviderTableMeta.FILE_PATH + " LIKE ? ",
 603                         new String[]{
 604                                 mAccount.name,
 605                                 file.getRemotePath() + "%"
 606                         },
 607                         ProviderTableMeta.FILE_PATH + " ASC "
 608                 );
 609             }
 610
 611             /// 2. prepare a batch of update operations to change all the descendants
 612             ArrayList<ContentProviderOperation> operations =
 613                     new ArrayList<ContentProviderOperation>(c.getCount());
 614             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 615             List<String> originalPathsToTriggerMediaScan = new ArrayList<String>();
 616             List<String> newPathsToTriggerMediaScan = new ArrayList<String>();
 617             if (c.moveToFirst()) {
 618                 int lengthOfOldPath = file.getRemotePath().length();
 619                 int lengthOfOldStoragePath = defaultSavePath.length() + lengthOfOldPath;
 620                 do {
 621                     ContentValues cv = new ContentValues(); // keep construction in the loop
 622                     OCFile child = createFileInstance(c);
 623                     cv.put(
 624                             ProviderTableMeta.FILE_PATH,
 625                             targetPath + child.getRemotePath().substring(lengthOfOldPath)
 626                     );
 627                     if (child.getStoragePath() != null &&
 628                             child.getStoragePath().startsWith(defaultSavePath)) {
 629                         // update link to downloaded content - but local move is not done here!
 630                         String targetLocalPath = defaultSavePath + targetPath +
 631                                 child.getStoragePath().substring(lengthOfOldStoragePath);
 632
 633                         cv.put(ProviderTableMeta.FILE_STORAGE_PATH, targetLocalPath);
 634
 635                         originalPathsToTriggerMediaScan.add(child.getStoragePath());
 636                         newPathsToTriggerMediaScan.add(targetLocalPath);
 637
 638                     }
 639                     if (child.getRemotePath().equals(file.getRemotePath())) {
 640                         cv.put(
 641                                 ProviderTableMeta.FILE_PARENT,
 642                                 targetParent.getFileId()
 643                         );
 644                     }
 645                     operations.add(
 646                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 647                                     withValues(cv).
 648                                     withSelection(
 649                                             ProviderTableMeta._ID + "=?",
 650                                             new String[]{String.valueOf(child.getFileId())}
 651                                     )
 652                                     .build());
 653
 654                 } while (c.moveToNext());
 655             }
 656             c.close();
 657
 658             /// 3. apply updates in batch
 659             try {
 660                 if (getContentResolver() != null) {
 661                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 662
 663                 } else {
 664                     getContentProviderClient().applyBatch(operations);
 665                 }
 666
 667             } catch (Exception e) {
 668                 Log_OC.e(TAG, "Fail to update " + file.getFileId() + " and descendants in database",
 669                         e);
 670             }
 671
 672             /// 4. move in local file system
 673             String originalLocalPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, file);
 674             String targetLocalPath = defaultSavePath + targetPath;
 675             File localFile = new File(originalLocalPath);
 676             boolean renamed = false;
 677             if (localFile.exists()) {
 678                 File targetFile = new File(targetLocalPath);
 679                 File targetFolder = targetFile.getParentFile();
 680                 if (!targetFolder.exists()) {
 681                     targetFolder.mkdirs();
 682                 }
 683                 renamed = localFile.renameTo(targetFile);
 684             }
 685
 686             if (renamed) {
 687                 Iterator<String> it = originalPathsToTriggerMediaScan.iterator();
 688                 while (it.hasNext()) {
 689                     // Notify MediaScanner about removed file
 690                     deleteFileInMediaScan(it.next());
 691                 }
 692                 it = newPathsToTriggerMediaScan.iterator();
 693                 while (it.hasNext()) {
 694                     // Notify MediaScanner about new file/folder
 695                     triggerMediaScan(it.next());
 696                 }
 697             }
 698         }
 699
 700     }
 701
 702     public void copyLocalFile(OCFile file, String targetPath) {
 703
 704         if (file != null && file.fileExists() && !OCFile.ROOT_PATH.equals(file.getFileName())) {
 705             String localPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, file);
 706             File localFile = new File(localPath);
 707             boolean copied = false;
 708             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 709             if (localFile.exists()) {
 710                 File targetFile = new File(defaultSavePath + targetPath);
 711                 File targetFolder = targetFile.getParentFile();
 712                 if (!targetFolder.exists()) {
 713                     targetFolder.mkdirs();
 714                 }
 715                 copied = copyFile(localFile, targetFile);
 716             }
 717             Log_OC.d(TAG, "Local file COPIED : " + copied);
 718         }
 719     }
 720
 721     private boolean copyFile(File src, File target) {
 722         boolean ret = true;
 723
 724         InputStream in = null;
 725         OutputStream out = null;
 726
 727         try {
 728             in = new FileInputStream(src);
 729             out = new FileOutputStream(target);
 730             byte[] buf = new byte[1024];
 731             int len;
 732             while ((len = in.read(buf)) > 0) {
 733                 out.write(buf, 0, len);
 734             }
 735         } catch (IOException ex) {
 736             ret = false;
 737         } finally {
 738             if (in != null) try {
 739                 in.close();
 740             } catch (IOException e) {
 741                 e.printStackTrace(System.err);
 742             }
 743             if (out != null) try {
 744                 out.close();
 745             } catch (IOException e) {
 746                 e.printStackTrace(System.err);
 747             }
 748         }
 749
 750         return ret;
 751     }
 752
 753
 754     private Vector<OCFile> getFolderContent(long parentId/*, boolean onlyOnDevice*/) {
 755
 756         Vector<OCFile> ret = new Vector<OCFile>();
 757
 758         Uri req_uri = Uri.withAppendedPath(
 759                 ProviderTableMeta.CONTENT_URI_DIR,
 760                 String.valueOf(parentId));
 761         Cursor c = null;
 762
 763         if (getContentProviderClient() != null) {
 764             try {
 765                 c = getContentProviderClient().query(req_uri, null,
 766                         ProviderTableMeta.FILE_PARENT + "=?",
 767                         new String[]{String.valueOf(parentId)}, null);
 768             } catch (RemoteException e) {
 769                 Log_OC.e(TAG, e.getMessage());
 770                 return ret;
 771             }
 772         } else {
 773             c = getContentResolver().query(req_uri, null,
 774                     ProviderTableMeta.FILE_PARENT + "=?",
 775                     new String[]{String.valueOf(parentId)}, null);
 776         }
 777
 778         if (c.moveToFirst()) {
 779             do {
 780                 OCFile child = createFileInstance(c);
 781                 // TODO Enable when "On Device" is recovered ?
 782                 // if (child.isFolder() || !onlyOnDevice || onlyOnDevice && child.isDown()){
 783                 ret.add(child);
 784                 // }
 785             } while (c.moveToNext());
 786         }
 787
 788         c.close();
 789
 790         Collections.sort(ret);
 791
 792         return ret;
 793     }
 794
 795
 796     private OCFile createRootDir() {
 797         OCFile file = new OCFile(OCFile.ROOT_PATH);
 798         file.setMimetype("DIR");
 799         file.setParentId(FileDataStorageManager.ROOT_PARENT_ID);
 800         saveFile(file);
 801         return file;
 802     }
 803
 804     private boolean fileExists(String cmp_key, String value) {
 805         Cursor c;
 806         if (getContentResolver() != null) {
 807             c = getContentResolver()
 808                     .query(ProviderTableMeta.CONTENT_URI,
 809                             null,
 810                             cmp_key + "=? AND "
 811                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 812                                     + "=?",
 813                             new String[]{value, mAccount.name}, null);
 814         } else {
 815             try {
 816                 c = getContentProviderClient().query(
 817                         ProviderTableMeta.CONTENT_URI,
 818                         null,
 819                         cmp_key + "=? AND "
 820                                 + ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
 821                         new String[]{value, mAccount.name}, null);
 822             } catch (RemoteException e) {
 823                 Log_OC.e(TAG,
 824                         "Couldn't determine file existance, assuming non existance: "
 825                                 + e.getMessage());
 826                 return false;
 827             }
 828         }
 829         boolean retval = c.moveToFirst();
 830         c.close();
 831         return retval;
 832     }
 833
 834     private Cursor getCursorForValue(String key, String value) {
 835         Cursor c = null;
 836         if (getContentResolver() != null) {
 837             c = getContentResolver()
 838                     .query(ProviderTableMeta.CONTENT_URI,
 839                             null,
 840                             key + "=? AND "
 841                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 842                                     + "=?",
 843                             new String[]{value, mAccount.name}, null);
 844         } else {
 845             try {
 846                 c = getContentProviderClient().query(
 847                         ProviderTableMeta.CONTENT_URI,
 848                         null,
 849                         key + "=? AND " + ProviderTableMeta.FILE_ACCOUNT_OWNER
 850                                 + "=?", new String[]{value, mAccount.name},
 851                         null);
 852             } catch (RemoteException e) {
 853                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 854                 c = null;
 855             }
 856         }
 857         return c;
 858     }
 859
 860
 861     private OCFile createFileInstance(Cursor c) {
 862         OCFile file = null;
 863         if (c != null) {
 864             file = new OCFile(c.getString(c
 865                     .getColumnIndex(ProviderTableMeta.FILE_PATH)));
 866             file.setFileId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
 867             file.setParentId(c.getLong(c
 868                     .getColumnIndex(ProviderTableMeta.FILE_PARENT)));
 869             file.setMimetype(c.getString(c
 870                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE)));
 871             if (!file.isFolder()) {
 872                 file.setStoragePath(c.getString(c
 873                         .getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH)));
 874                 if (file.getStoragePath() == null) {
 875                     // try to find existing file and bind it with current account;
 876                     // with the current update of SynchronizeFolderOperation, this won't be
 877                     // necessary anymore after a full synchronization of the account
 878                     File f = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 879                     if (f.exists()) {
 880                         file.setStoragePath(f.getAbsolutePath());
 881                         file.setLastSyncDateForData(f.lastModified());
 882                     }
 883                 }
 884             }
 885             file.setFileLength(c.getLong(c
 886                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH)));
 887             file.setCreationTimestamp(c.getLong(c
 888                     .getColumnIndex(ProviderTableMeta.FILE_CREATION)));
 889             file.setModificationTimestamp(c.getLong(c
 890                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED)));
 891             file.setModificationTimestampAtLastSyncForData(c.getLong(c
 892                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA)));
 893             file.setLastSyncDateForProperties(c.getLong(c
 894                     .getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE)));
 895             file.setLastSyncDateForData(c.getLong(c.
 896                     getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA)));
 897             file.setFavorite(c.getInt(
 898                     c.getColumnIndex(ProviderTableMeta.FILE_KEEP_IN_SYNC)) == 1 ? true : false);
 899             file.setEtag(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG)));
 900             file.setShareViaLink(c.getInt(
 901                     c.getColumnIndex(ProviderTableMeta.FILE_SHARED_VIA_LINK)) == 1 ? true : false);
 902             file.setShareWithSharee(c.getInt(
 903                     c.getColumnIndex(ProviderTableMeta.FILE_SHARED_WITH_SHAREE)) == 1 ? true : false);
 904             file.setPublicLink(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PUBLIC_LINK)));
 905             file.setPermissions(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PERMISSIONS)));
 906             file.setRemoteId(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_REMOTE_ID)));
 907             file.setNeedsUpdateThumbnail(c.getInt(
 908                     c.getColumnIndex(ProviderTableMeta.FILE_UPDATE_THUMBNAIL)) == 1 ? true : false);
 909             file.setDownloading(c.getInt(
 910                     c.getColumnIndex(ProviderTableMeta.FILE_IS_DOWNLOADING)) == 1 ? true : false);
 911             file.setEtagInConflict(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG_IN_CONFLICT)));
 912
 913         }
 914         return file;
 915     }
 916
 917     // Methods for Shares
 918     public boolean saveShare(OCShare share) {
 919         boolean overriden = false;
 920         ContentValues cv = new ContentValues();
 921         cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
 922         cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
 923         cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
 924         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
 925         cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
 926         cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
 927         cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
 928         cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
 929         cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
 930         cv.put(
 931                 ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
 932                 share.getSharedWithDisplayName()
 933         );
 934         cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
 935         cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
 936         cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getRemoteId());
 937         cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
 938
 939         if (shareExists(share.getRemoteId())) {// for renamed files; no more delete and create
 940             overriden = true;
 941             if (getContentResolver() != null) {
 942                 getContentResolver().update(ProviderTableMeta.CONTENT_URI_SHARE, cv,
 943                         ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 944                         new String[]{String.valueOf(share.getRemoteId())});
 945             } else {
 946                 try {
 947                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_SHARE,
 948                             cv, ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 949                             new String[]{String.valueOf(share.getRemoteId())});
 950                 } catch (RemoteException e) {
 951                     Log_OC.e(TAG,
 952                             "Fail to insert insert file to database "
 953                                     + e.getMessage());
 954                 }
 955             }
 956         } else {
 957             Uri result_uri = null;
 958             if (getContentResolver() != null) {
 959                 result_uri = getContentResolver().insert(
 960                         ProviderTableMeta.CONTENT_URI_SHARE, cv);
 961             } else {
 962                 try {
 963                     result_uri = getContentProviderClient().insert(
 964                             ProviderTableMeta.CONTENT_URI_SHARE, cv);
 965                 } catch (RemoteException e) {
 966                     Log_OC.e(TAG,
 967                             "Fail to insert insert file to database "
 968                                     + e.getMessage());
 969                 }
 970             }
 971             if (result_uri != null) {
 972                 long new_id = Long.parseLong(result_uri.getPathSegments()
 973                         .get(1));
 974                 share.setId(new_id);
 975             }
 976         }
 977
 978         return overriden;
 979     }
 980
 981
 982     /**
 983      * Get first share bound to a file with a known path and given {@link ShareType}.
 984      *
 985      * @param path          Path of the file.
 986      * @param type          Type of the share to get
 987      * @param shareWith     Target of the share. Ignored in type is {@link ShareType#PUBLIC_LINK}
 988      * @return              First {@OCShare} instance found in DB bound to the file in 'path'
 989      */
 990     public OCShare getFirstShareByPathAndType(String path, ShareType type, String shareWith) {
 991         Cursor c = null;
 992         if (shareWith == null) {
 993             shareWith = "";
 994         }
 995
 996         String selection = ProviderTableMeta.OCSHARES_PATH + "=? AND "
 997                 + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
 998                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?" ;
 999         if (!ShareType.PUBLIC_LINK.equals(type)) {
1000             selection += " AND " + ProviderTableMeta.OCSHARES_SHARE_WITH + "=?";
1001         }
1002
1003         String [] selectionArgs;
1004         if (ShareType.PUBLIC_LINK.equals(type)) {
1005             selectionArgs = new String[]{
1006                     path,
1007                     Integer.toString(type.getValue()),
1008                     mAccount.name
1009             };
1010         } else {
1011             selectionArgs = new String[]{
1012                     path,
1013                     Integer.toString(type.getValue()),
1014                     mAccount.name,
1015                     shareWith
1016             };
1017         }
1018
1019         if (getContentResolver() != null) {
1020             c = getContentResolver().query(
1021                     ProviderTableMeta.CONTENT_URI_SHARE,
1022                     null,
1023                     selection, selectionArgs,
1024                     null);
1025         } else {
1026             try {
1027                 c = getContentProviderClient().query(
1028                         ProviderTableMeta.CONTENT_URI_SHARE,
1029                         null,
1030                         selection, selectionArgs,
1031                         null);
1032
1033             } catch (RemoteException e) {
1034                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
1035                 c = null;
1036             }
1037         }
1038         OCShare share = null;
1039         if (c.moveToFirst()) {
1040             share = createShareInstance(c);
1041         }
1042         c.close();
1043         return share;
1044     }
1045
1046     private OCShare createShareInstance(Cursor c) {
1047         OCShare share = null;
1048         if (c != null) {
1049             share = new OCShare(c.getString(c
1050                     .getColumnIndex(ProviderTableMeta.OCSHARES_PATH)));
1051             share.setId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
1052             share.setFileSource(c.getLong(c
1053                     .getColumnIndex(ProviderTableMeta.OCSHARES_ITEM_SOURCE)));
1054             share.setShareType(ShareType.fromValue(c.getInt(c
1055                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_TYPE))));
1056             share.setShareWith(c.getString(c
1057                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_WITH)));
1058             share.setPermissions(c.getInt(c
1059                     .getColumnIndex(ProviderTableMeta.OCSHARES_PERMISSIONS)));
1060             share.setSharedDate(c.getLong(c
1061                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARED_DATE)));
1062             share.setExpirationDate(c.getLong(c
1063                     .getColumnIndex(ProviderTableMeta.OCSHARES_EXPIRATION_DATE)));
1064             share.setToken(c.getString(c
1065                     .getColumnIndex(ProviderTableMeta.OCSHARES_TOKEN)));
1066             share.setSharedWithDisplayName(c.getString(c
1067                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME)));
1068             share.setIsFolder(c.getInt(
1069                     c.getColumnIndex(ProviderTableMeta.OCSHARES_IS_DIRECTORY)) == 1);
1070             share.setUserId(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_USER_ID)));
1071             share.setIdRemoteShared(c.getLong(
1072                     c.getColumnIndex(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED)));
1073         }
1074         return share;
1075     }
1076
1077     private boolean shareExists(String cmp_key, String value) {
1078         Cursor c;
1079         if (getContentResolver() != null) {
1080             c = getContentResolver()
1081                     .query(ProviderTableMeta.CONTENT_URI_SHARE,
1082                             null,
1083                             cmp_key + "=? AND "
1084                                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
1085                                     + "=?",
1086                             new String[]{value, mAccount.name}, null);
1087         } else {
1088             try {
1089                 c = getContentProviderClient().query(
1090                         ProviderTableMeta.CONTENT_URI_SHARE,
1091                         null,
1092                         cmp_key + "=? AND "
1093                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1094                         new String[]{value, mAccount.name}, null);
1095             } catch (RemoteException e) {
1096                 Log_OC.e(TAG,
1097                         "Couldn't determine file existance, assuming non existance: "
1098                                 + e.getMessage());
1099                 return false;
1100             }
1101         }
1102         boolean retval = c.moveToFirst();
1103         c.close();
1104         return retval;
1105     }
1106
1107     private boolean shareExists(long remoteId) {
1108         return shareExists(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, String.valueOf(remoteId));
1109     }
1110
1111     private void resetShareFlagsInAllFiles() {
1112         ContentValues cv = new ContentValues();
1113         cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, false);
1114         cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, false);
1115         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1116         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?";
1117         String[] whereArgs = new String[]{mAccount.name};
1118
1119         if (getContentResolver() != null) {
1120             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1121
1122         } else {
1123             try {
1124                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where,
1125                         whereArgs);
1126             } catch (RemoteException e) {
1127                 Log_OC.e(TAG, "Exception in resetShareFlagsInAllFiles" + e.getMessage());
1128             }
1129         }
1130     }
1131
1132     private void resetShareFlagsInFolder(OCFile folder) {
1133         ContentValues cv = new ContentValues();
1134         cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, false);
1135         cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, false);
1136         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1137         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1138                 ProviderTableMeta.FILE_PARENT + "=?";
1139         String [] whereArgs = new String[] { mAccount.name , String.valueOf(folder.getFileId()) };
1140
1141         if (getContentResolver() != null) {
1142             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1143
1144         } else {
1145             try {
1146                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where,
1147                         whereArgs);
1148             } catch (RemoteException e) {
1149                 Log_OC.e(TAG, "Exception in resetShareFlagsInFolder " + e.getMessage());
1150             }
1151         }
1152     }
1153
1154     private void resetShareFlagInAFile(String filePath){
1155         ContentValues cv = new ContentValues();
1156         cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, false);
1157         cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, false);
1158         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1159         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1160                 ProviderTableMeta.FILE_PATH+ "=?";
1161         String [] whereArgs = new String[] { mAccount.name , filePath };
1162
1163         if (getContentResolver() != null) {
1164             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1165
1166         } else {
1167             try {
1168                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where,
1169                         whereArgs);
1170             } catch (RemoteException e) {
1171                 Log_OC.e(TAG, "Exception in resetShareFlagsInFolder " + e.getMessage());
1172             }
1173         }
1174     }
1175
1176     private void cleanShares() {
1177         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1178         String[] whereArgs = new String[]{mAccount.name};
1179
1180         if (getContentResolver() != null) {
1181             getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1182
1183         } else {
1184             try {
1185                 getContentProviderClient().delete(ProviderTableMeta.CONTENT_URI_SHARE, where,
1186                         whereArgs);
1187             } catch (RemoteException e) {
1188                 Log_OC.e(TAG, "Exception in cleanShares" + e.getMessage());
1189             }
1190         }
1191     }
1192
1193     public void saveShares(Collection<OCShare> shares) {
1194         cleanShares();
1195         if (shares != null) {
1196             ArrayList<ContentProviderOperation> operations =
1197                     new ArrayList<ContentProviderOperation>(shares.size());
1198
1199             // prepare operations to insert or update files to save in the given folder
1200             for (OCShare share : shares) {
1201                 ContentValues cv = new ContentValues();
1202                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1203                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1204                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1205                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1206                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1207                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1208                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1209                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1210                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1211                 cv.put(
1212                         ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1213                         share.getSharedWithDisplayName()
1214                 );
1215                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1216                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1217                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getRemoteId());
1218                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1219
1220                 if (shareExists(share.getRemoteId())) {
1221                     // updating an existing file
1222                     operations.add(
1223                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1224                                     withValues(cv).
1225                                     withSelection(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1226                                             new String[]{String.valueOf(share.getRemoteId())})
1227                                     .build());
1228                 } else {
1229                     // adding a new file
1230                     operations.add(
1231                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1232                                     withValues(cv).
1233                                     build()
1234                     );
1235                 }
1236             }
1237
1238             // apply operations in batch
1239             if (operations.size() > 0) {
1240                 @SuppressWarnings("unused")
1241                 ContentProviderResult[] results = null;
1242                 Log_OC.d(TAG, "Sending " + operations.size() +
1243                         " operations to FileContentProvider");
1244                 try {
1245                     if (getContentResolver() != null) {
1246                         results = getContentResolver().applyBatch(MainApp.getAuthority(),
1247                                 operations);
1248                     } else {
1249                         results = getContentProviderClient().applyBatch(operations);
1250                     }
1251
1252                 } catch (OperationApplicationException e) {
1253                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1254
1255                 } catch (RemoteException e) {
1256                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1257                 }
1258             }
1259         }
1260
1261     }
1262
1263     public void updateSharedFiles(Collection<OCFile> sharedFiles) {
1264         resetShareFlagsInAllFiles();
1265
1266         if (sharedFiles != null) {
1267             ArrayList<ContentProviderOperation> operations =
1268                     new ArrayList<ContentProviderOperation>(sharedFiles.size());
1269
1270             // prepare operations to insert or update files to save in the given folder
1271             for (OCFile file : sharedFiles) {
1272                 ContentValues cv = new ContentValues();
1273                 cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
1274                 cv.put(
1275                         ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
1276                         file.getModificationTimestampAtLastSyncForData()
1277                 );
1278                 cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
1279                 cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
1280                 cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
1281                 cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
1282                 cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
1283                 cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
1284                 if (!file.isFolder()) {
1285                     cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
1286                 }
1287                 cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
1288                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
1289                 cv.put(
1290                         ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA,
1291                         file.getLastSyncDateForData()
1292                 );
1293                 cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.isFavorite() ? 1 : 0);
1294                 cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
1295                 cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, file.isSharedViaLink() ? 1 : 0);
1296                 cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, file.isSharedWithSharee() ? 1 : 0);
1297                 cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
1298                 cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
1299                 cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
1300                 cv.put(
1301                         ProviderTableMeta.FILE_UPDATE_THUMBNAIL,
1302                         file.needsUpdateThumbnail() ? 1 : 0
1303                 );
1304                 cv.put(
1305                         ProviderTableMeta.FILE_IS_DOWNLOADING,
1306                         file.isDownloading() ? 1 : 0
1307                 );
1308                 cv.put(ProviderTableMeta.FILE_ETAG_IN_CONFLICT, file.getEtagInConflict());
1309
1310                 boolean existsByPath = fileExists(file.getRemotePath());
1311                 if (existsByPath || fileExists(file.getFileId())) {
1312                     // updating an existing file
1313                     operations.add(
1314                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
1315                                     withValues(cv).
1316                                     withSelection(ProviderTableMeta._ID + "=?",
1317                                             new String[]{String.valueOf(file.getFileId())})
1318                                     .build());
1319
1320                 } else {
1321                     // adding a new file
1322                     operations.add(
1323                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
1324                                     withValues(cv).
1325                                     build()
1326                     );
1327                 }
1328             }
1329
1330             // apply operations in batch
1331             if (operations.size() > 0) {
1332                 @SuppressWarnings("unused")
1333                 ContentProviderResult[] results = null;
1334                 Log_OC.d(TAG, "Sending " + operations.size() +
1335                         " operations to FileContentProvider");
1336                 try {
1337                     if (getContentResolver() != null) {
1338                         results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1339                     } else {
1340                         results = getContentProviderClient().applyBatch(operations);
1341                     }
1342
1343                 } catch (OperationApplicationException e) {
1344                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1345
1346                 } catch (RemoteException e) {
1347                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1348                 }
1349             }
1350         }
1351
1352     }
1353
1354     public void removeShare(OCShare share) {
1355         Uri share_uri = ProviderTableMeta.CONTENT_URI_SHARE;
1356         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?" + " AND " +
1357                 ProviderTableMeta._ID + "=?";
1358         String [] whereArgs = new String[]{mAccount.name, Long.toString(share.getId())};
1359         if (getContentProviderClient() != null) {
1360             try {
1361                 getContentProviderClient().delete(share_uri, where, whereArgs);
1362             } catch (RemoteException e) {
1363                 e.printStackTrace();
1364             }
1365         } else {
1366             getContentResolver().delete(share_uri, where, whereArgs);
1367         }
1368     }
1369
1370     public void saveSharesDB(ArrayList<OCShare> shares) {
1371         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1372
1373         // Reset flags & Remove shares for this files
1374         String filePath = "";
1375         for (OCShare share: shares) {
1376             if (filePath != share.getPath()){
1377                 filePath = share.getPath();
1378                 resetShareFlagInAFile(filePath);
1379                 operations = prepareRemoveSharesInFile(filePath, operations);
1380             }
1381         }
1382
1383        // Add operations to insert shares
1384        operations = prepareInsertShares(shares, operations);
1385
1386         // apply operations in batch
1387         if (operations.size() > 0) {
1388             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1389             try {
1390                 if (getContentResolver() != null) {
1391                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1392
1393                 } else {
1394                     getContentProviderClient().applyBatch(operations);
1395                 }
1396
1397             } catch (OperationApplicationException e) {
1398                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1399
1400             } catch (RemoteException e) {
1401                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1402             }
1403         }
1404
1405 //        // TODO: review if it is needed
1406 //        // Update shared files
1407 //        ArrayList<OCFile> sharedFiles = new ArrayList<OCFile>();
1408 //
1409 //        for (OCShare share : shares) {
1410 //            // Get the path
1411 //            String path = share.getPath();
1412 //            if (share.isFolder()) {
1413 //                path = path + FileUtils.PATH_SEPARATOR;
1414 //            }
1415 //
1416 //            // Update OCFile with data from share: ShareByLink, publicLink and
1417 //            OCFile file = getFileByPath(path);
1418 //            if (file != null) {
1419 //                if (share.getShareType().equals(ShareType.PUBLIC_LINK)) {
1420 //                    file.setShareViaLink(true);
1421 //                    sharedFiles.add(file);
1422 //                }
1423 //            }
1424 //        }
1425 //
1426 //        // TODO: Review
1427 //        updateSharedFiles(sharedFiles);
1428     }
1429
1430     public void removeSharesForFile(String remotePath) {
1431         resetShareFlagInAFile(remotePath);
1432         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1433         operations = prepareRemoveSharesInFile(remotePath, operations);
1434         // apply operations in batch
1435         if (operations.size() > 0) {
1436             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1437             try {
1438                 if (getContentResolver() != null) {
1439                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1440
1441                 } else {
1442                     getContentProviderClient().applyBatch(operations);
1443                 }
1444
1445             } catch (OperationApplicationException e) {
1446                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1447
1448             } catch (RemoteException e) {
1449                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1450             }
1451         }
1452     }
1453
1454
1455     public void saveSharesInFolder(ArrayList<OCShare> shares, OCFile folder) {
1456         resetShareFlagsInFolder(folder);
1457         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1458         operations = prepareRemoveSharesInFolder(folder, operations);
1459
1460         if (shares != null) {
1461             // prepare operations to insert or update files to save in the given folder
1462             operations = prepareInsertShares(shares, operations);
1463         }
1464
1465         // apply operations in batch
1466         if (operations.size() > 0) {
1467             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1468             try {
1469                 if (getContentResolver() != null) {
1470                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1471
1472                 } else {
1473                     getContentProviderClient().applyBatch(operations);
1474                 }
1475
1476             } catch (OperationApplicationException e) {
1477                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1478
1479             } catch (RemoteException e) {
1480
1481             }
1482         }
1483
1484     }
1485
1486     /**
1487      * Prepare operations to insert or update files to save in the given folder
1488      * @param shares        List of shares to insert
1489      * @param operations    List of operations
1490      * @return
1491      */
1492     private ArrayList<ContentProviderOperation> prepareInsertShares(
1493             ArrayList<OCShare> shares, ArrayList<ContentProviderOperation> operations) {
1494
1495         if (shares != null) {
1496             // prepare operations to insert or update files to save in the given folder
1497             for (OCShare share : shares) {
1498                 ContentValues cv = new ContentValues();
1499                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1500                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1501                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1502                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1503                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1504                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1505                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1506                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1507                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1508                 cv.put(
1509                         ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1510                         share.getSharedWithDisplayName()
1511                 );
1512                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1513                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1514                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getRemoteId());
1515                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1516
1517                 // adding a new share resource
1518                 operations.add(
1519                         ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1520                                 withValues(cv).
1521                                 build()
1522                 );
1523             }
1524         }
1525         return operations;
1526     }
1527
1528     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFolder(
1529             OCFile folder, ArrayList<ContentProviderOperation> preparedOperations) {
1530         if (folder != null) {
1531             String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND "
1532                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1533             String [] whereArgs = new String[]{ "", mAccount.name };
1534
1535             // TODO Enable when "On Device" is recovered ?
1536             Vector<OCFile> files = getFolderContent(folder /*, false*/);
1537
1538             for (OCFile file : files) {
1539                 whereArgs[0] = file.getRemotePath();
1540                 preparedOperations.add(
1541                         ContentProviderOperation.newDelete(ProviderTableMeta.CONTENT_URI_SHARE).
1542                                 withSelection(where, whereArgs).
1543                                 build()
1544                 );
1545             }
1546         }
1547         return preparedOperations;
1548
1549     }
1550
1551     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFile(
1552             String filePath, ArrayList<ContentProviderOperation> preparedOperations) {
1553
1554         String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND "
1555                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1556         String[] whereArgs = new String[]{filePath, mAccount.name};
1557
1558         preparedOperations.add(
1559                 ContentProviderOperation.newDelete(ProviderTableMeta.CONTENT_URI_SHARE).
1560                         withSelection(where, whereArgs).
1561                         build()
1562         );
1563
1564         return preparedOperations;
1565
1566     }
1567
1568     public ArrayList<OCShare> getSharesWithForAFile(String filePath, String accountName){
1569         // Condition
1570         String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND "
1571                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?"+ "AND"
1572                 + " (" + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? OR "
1573                 + ProviderTableMeta.OCSHARES_SHARE_TYPE +  "=? ) ";
1574         String [] whereArgs = new String[]{ filePath, accountName ,
1575                 Integer.toString(ShareType.USER.getValue()),
1576                 Integer.toString(ShareType.GROUP.getValue()) };
1577
1578         Cursor c = null;
1579         if (getContentResolver() != null) {
1580             c = getContentResolver().query(
1581                     ProviderTableMeta.CONTENT_URI_SHARE,
1582                     null, where, whereArgs, null);
1583         } else {
1584             try {
1585                 c = getContentProviderClient().query(
1586                         ProviderTableMeta.CONTENT_URI_SHARE,
1587                         null, where, whereArgs, null);
1588
1589             } catch (RemoteException e) {
1590                 Log_OC.e(TAG, "Could not get list of shares with: " + e.getMessage());
1591                 c = null;
1592             }
1593         }
1594         ArrayList<OCShare> shares = new ArrayList<OCShare>();
1595         OCShare share = null;
1596         if (c.moveToFirst()) {
1597             do {
1598                 share = createShareInstance(c);
1599                 shares.add(share);
1600                 // }
1601             } while (c.moveToNext());
1602         }
1603         c.close();
1604
1605         return shares;
1606     }
1607
1608     public void triggerMediaScan(String path) {
1609         Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
1610         intent.setData(Uri.fromFile(new File(path)));
1611         MainApp.getAppContext().sendBroadcast(intent);
1612     }
1613
1614     public void deleteFileInMediaScan(String path) {
1615
1616         String mimetypeString = FileStorageUtils.getMimeTypeFromName(path);
1617         ContentResolver contentResolver = getContentResolver();
1618
1619         if (contentResolver != null) {
1620             if (mimetypeString.startsWith("image/")) {
1621                 // Images
1622                 contentResolver.delete(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
1623                         MediaStore.Images.Media.DATA + "=?", new String[]{path});
1624             } else if (mimetypeString.startsWith("audio/")) {
1625                 // Audio
1626                 contentResolver.delete(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
1627                         MediaStore.Audio.Media.DATA + "=?", new String[]{path});
1628             } else if (mimetypeString.startsWith("video/")) {
1629                 // Video
1630                 contentResolver.delete(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
1631                         MediaStore.Video.Media.DATA + "=?", new String[]{path});
1632             }
1633         } else {
1634             ContentProviderClient contentProviderClient = getContentProviderClient();
1635             try {
1636                 if (mimetypeString.startsWith("image/")) {
1637                     // Images
1638                     contentProviderClient.delete(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
1639                             MediaStore.Images.Media.DATA + "=?", new String[]{path});
1640                 } else if (mimetypeString.startsWith("audio/")) {
1641                     // Audio
1642                     contentProviderClient.delete(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
1643                             MediaStore.Audio.Media.DATA + "=?", new String[]{path});
1644                 } else if (mimetypeString.startsWith("video/")) {
1645                     // Video
1646                     contentProviderClient.delete(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
1647                             MediaStore.Video.Media.DATA + "=?", new String[]{path});
1648                 }
1649             } catch (RemoteException e) {
1650                 Log_OC.e(TAG, "Exception deleting media file in MediaStore " + e.getMessage());
1651             }
1652         }
1653
1654     }
1655
1656     public void saveConflict(OCFile file, String etagInConflict) {
1657         if (!file.isDown()) {
1658             etagInConflict = null;
1659         }
1660         ContentValues cv = new ContentValues();
1661         cv.put(ProviderTableMeta.FILE_ETAG_IN_CONFLICT, etagInConflict);
1662         int updated = 0;
1663         if (getContentResolver() != null) {
1664             updated = getContentResolver().update(
1665                     ProviderTableMeta.CONTENT_URI_FILE,
1666                     cv,
1667                     ProviderTableMeta._ID + "=?",
1668                     new String[] { String.valueOf(file.getFileId())}
1669             );
1670         } else {
1671             try {
1672                 updated = getContentProviderClient().update(
1673                         ProviderTableMeta.CONTENT_URI_FILE,
1674                         cv,
1675                         ProviderTableMeta._ID + "=?",
1676                         new String[]{String.valueOf(file.getFileId())}
1677                 );
1678             } catch (RemoteException e) {
1679                 Log_OC.e(TAG, "Failed saving conflict in database " + e.getMessage());
1680             }
1681         }
1682
1683         Log_OC.d(TAG, "Number of files updated with CONFLICT: " + updated);
1684
1685         if (updated > 0) {
1686             if (etagInConflict != null) {
1687                 /// set conflict in all ancestor folders
1688
1689                 long parentId = file.getParentId();
1690                 Set<String> ancestorIds = new HashSet<String>();
1691                 while (parentId != FileDataStorageManager.ROOT_PARENT_ID) {
1692                     ancestorIds.add(Long.toString(parentId));
1693                     parentId = getFileById(parentId).getParentId();
1694                 }
1695
1696                 if (ancestorIds.size() > 0) {
1697                     StringBuffer whereBuffer = new StringBuffer();
1698                     whereBuffer.append(ProviderTableMeta._ID).append(" IN (");
1699                     for (int i = 0; i < ancestorIds.size() - 1; i++) {
1700                         whereBuffer.append("?,");
1701                     }
1702                     whereBuffer.append("?");
1703                     whereBuffer.append(")");
1704
1705                     if (getContentResolver() != null) {
1706                         updated = getContentResolver().update(
1707                                 ProviderTableMeta.CONTENT_URI_FILE,
1708                                 cv,
1709                                 whereBuffer.toString(),
1710                                 ancestorIds.toArray(new String[]{})
1711                         );
1712                     } else {
1713                         try {
1714                             updated = getContentProviderClient().update(
1715                                     ProviderTableMeta.CONTENT_URI_FILE,
1716                                     cv,
1717                                     whereBuffer.toString(),
1718                                     ancestorIds.toArray(new String[]{})
1719                             );
1720                         } catch (RemoteException e) {
1721                             Log_OC.e(TAG, "Failed saving conflict in database " + e.getMessage());
1722                         }
1723                     }
1724                 } // else file is ROOT folder, no parent to set in conflict
1725
1726             } else {
1727                 /// update conflict in ancestor folders
1728                 // (not directly unset; maybe there are more conflicts below them)
1729                 String parentPath = file.getRemotePath();
1730                 if (parentPath.endsWith(OCFile.PATH_SEPARATOR)) {
1731                     parentPath = parentPath.substring(0, parentPath.length() - 1);
1732                 }
1733                 parentPath = parentPath.substring(0, parentPath.lastIndexOf(OCFile.PATH_SEPARATOR) + 1);
1734
1735                 Log_OC.d(TAG, "checking parents to remove conflict; STARTING with " + parentPath);
1736                 while (parentPath.length() > 0) {
1737
1738                     String where =
1739                             ProviderTableMeta.FILE_ETAG_IN_CONFLICT + " IS NOT NULL AND " +
1740                                     ProviderTableMeta.FILE_CONTENT_TYPE + " != 'DIR' AND " +
1741                                     ProviderTableMeta.FILE_ACCOUNT_OWNER + " = ? AND " +
1742                                     ProviderTableMeta.FILE_PATH + " LIKE ?";
1743                     Cursor descendentsInConflict = getContentResolver().query(
1744                             ProviderTableMeta.CONTENT_URI_FILE,
1745                             new String[]{ProviderTableMeta._ID},
1746                             where,
1747                             new String[]{mAccount.name, parentPath + "%"},
1748                             null
1749                     );
1750                     if (descendentsInConflict == null || descendentsInConflict.getCount() == 0) {
1751                         Log_OC.d(TAG, "NO MORE conflicts in " + parentPath);
1752                         if (getContentResolver() != null) {
1753                             updated = getContentResolver().update(
1754                                     ProviderTableMeta.CONTENT_URI_FILE,
1755                                     cv,
1756                                     ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1757                                             ProviderTableMeta.FILE_PATH + "=?",
1758                                     new String[]{mAccount.name, parentPath}
1759                             );
1760                         } else {
1761                             try {
1762                                 updated = getContentProviderClient().update(
1763                                         ProviderTableMeta.CONTENT_URI_FILE,
1764                                         cv,
1765                                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1766                                                 ProviderTableMeta.FILE_PATH + "=?"
1767                                         , new String[]{mAccount.name, parentPath}
1768                                 );
1769                             } catch (RemoteException e) {
1770                                 Log_OC.e(TAG, "Failed saving conflict in database " + e.getMessage());
1771                             }
1772                         }
1773
1774                     } else {
1775                         Log_OC.d(TAG, "STILL " + descendentsInConflict.getCount() + " in " + parentPath);
1776                     }
1777
1778                     if (descendentsInConflict != null) {
1779                         descendentsInConflict.close();
1780                     }
1781
1782                     parentPath = parentPath.substring(0, parentPath.length() - 1);  // trim last /
1783                     parentPath = parentPath.substring(0, parentPath.lastIndexOf(OCFile.PATH_SEPARATOR) + 1);
1784                     Log_OC.d(TAG, "checking parents to remove conflict; NEXT " + parentPath);
1785                 }
1786             }
1787         }
1788
1789     }
1790
1791     public OCCapability saveCapabilities(OCCapability capability){
1792
1793         // Prepare capabilities data
1794         ContentValues cv = new ContentValues();
1795         cv.put(ProviderTableMeta.CAPABILITIES_ACCOUNT_NAME, mAccount.name);
1796         cv.put(ProviderTableMeta.CAPABILITIES_VERSION_MAYOR, capability.getVersionMayor());
1797         cv.put(ProviderTableMeta.CAPABILITIES_VERSION_MINOR, capability.getVersionMinor());
1798         cv.put(ProviderTableMeta.CAPABILITIES_VERSION_MICRO, capability.getVersionMicro());
1799         cv.put(ProviderTableMeta.CAPABILITIES_VERSION_STRING, capability.getVersionString());
1800         cv.put(ProviderTableMeta.CAPABILITIES_VERSION_EDITION, capability.getVersionEdition());
1801         cv.put(ProviderTableMeta.CAPABILITIES_CORE_POLLINTERVAL, capability.getCorePollinterval());
1802         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_API_ENABLED, capability.getFilesSharingApiEnabled().getValue());
1803         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_ENABLED,
1804                 capability.getFilesSharingPublicEnabled().getValue());
1805         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_PASSWORD_ENFORCED,
1806                 capability.getFilesSharingPublicPasswordEnforced().getValue());
1807         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_EXPIRE_DATE_ENABLED,
1808                 capability.getFilesSharingPublicExpireDateEnabled().getValue());
1809         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_EXPIRE_DATE_DAYS,
1810                 capability.getFilesSharingPublicExpireDateDays());
1811         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_EXPIRE_DATE_ENFORCED,
1812                 capability.getFilesSharingPublicExpireDateEnforced().getValue());
1813         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_SEND_MAIL,
1814                 capability.getFilesSharingPublicSendMail().getValue());
1815         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_UPLOAD,
1816                 capability.getFilesSharingPublicUpload().getValue());
1817         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_USER_SEND_MAIL,
1818                 capability.getFilesSharingUserSendMail().getValue());
1819         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_RESHARING, capability.getFilesSharingResharing().getValue());
1820         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_FEDERATION_OUTGOING,
1821                 capability.getFilesSharingFederationOutgoing().getValue());
1822         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_FEDERATION_INCOMING,
1823                 capability.getFilesSharingFederationIncoming().getValue());
1824         cv.put(ProviderTableMeta.CAPABILITIES_FILES_BIGFILECHUNKING, capability.getFilesBigFileChuncking().getValue());
1825         cv.put(ProviderTableMeta.CAPABILITIES_FILES_UNDELETE, capability.getFilesUndelete().getValue());
1826         cv.put(ProviderTableMeta.CAPABILITIES_FILES_VERSIONING, capability.getFilesVersioning().getValue());
1827
1828         if (capabilityExists(mAccount.name)) {
1829             if (getContentResolver() != null) {
1830                 getContentResolver().update(ProviderTableMeta.CONTENT_URI_CAPABILITIES, cv,
1831                         ProviderTableMeta.CAPABILITIES_ACCOUNT_NAME + "=?",
1832                         new String[]{mAccount.name});
1833             } else {
1834                 try {
1835                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_CAPABILITIES,
1836                             cv, ProviderTableMeta.CAPABILITIES_ACCOUNT_NAME + "=?",
1837                             new String[]{mAccount.name});
1838                 } catch (RemoteException e) {
1839                     Log_OC.e(TAG,
1840                             "Fail to insert insert file to database "
1841                                     + e.getMessage());
1842                 }
1843             }
1844         } else {
1845             Uri result_uri = null;
1846             if (getContentResolver() != null) {
1847                 result_uri = getContentResolver().insert(
1848                         ProviderTableMeta.CONTENT_URI_CAPABILITIES, cv);
1849             } else {
1850                 try {
1851                     result_uri = getContentProviderClient().insert(
1852                             ProviderTableMeta.CONTENT_URI_CAPABILITIES, cv);
1853                 } catch (RemoteException e) {
1854                     Log_OC.e(TAG,
1855                             "Fail to insert insert capability to database "
1856                                     + e.getMessage());
1857                 }
1858             }
1859             if (result_uri != null) {
1860                 long new_id = Long.parseLong(result_uri.getPathSegments()
1861                         .get(1));
1862                 capability.setId(new_id);
1863                 capability.setAccountName(mAccount.name);
1864             }
1865         }
1866
1867         return capability;
1868     }
1869
1870     private boolean capabilityExists(String accountName) {
1871         Cursor c = getCapabilityCursorForAccount(accountName);
1872         boolean exists = false;
1873         if (c != null) {
1874             exists = c.moveToFirst();
1875             c.close();
1876         }
1877         return exists;
1878     }
1879
1880     private Cursor getCapabilityCursorForAccount(String accountName){
1881         Cursor c = null;
1882         if (getContentResolver() != null) {
1883             c = getContentResolver()
1884                     .query(ProviderTableMeta.CONTENT_URI_CAPABILITIES,
1885                             null,
1886                             ProviderTableMeta.CAPABILITIES_ACCOUNT_NAME + "=? ",
1887                             new String[]{accountName}, null);
1888         } else {
1889             try {
1890                 c = getContentProviderClient().query(
1891                         ProviderTableMeta.CONTENT_URI_CAPABILITIES,
1892                         null,
1893                         ProviderTableMeta.CAPABILITIES_ACCOUNT_NAME + "=? ",
1894                         new String[]{accountName}, null);
1895             } catch (RemoteException e) {
1896                 Log_OC.e(TAG,
1897                         "Couldn't determine capability existance, assuming non existance: "
1898                                 + e.getMessage());
1899             }
1900         }
1901
1902         return c;
1903
1904     }
1905     public OCCapability getCapability(String accountName){
1906         OCCapability capability = null;
1907         Cursor c = getCapabilityCursorForAccount(accountName);
1908
1909         if (c.moveToFirst()) {
1910             capability = createCapabilityInstance(c);
1911         } else {
1912             capability = new OCCapability();    // return default with all UNKNOWN
1913         }
1914         c.close();
1915         return capability;
1916     }
1917
1918     private OCCapability createCapabilityInstance(Cursor c) {
1919         OCCapability capability = null;
1920         if (c != null) {
1921             capability = new OCCapability();
1922             capability.setId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
1923             capability.setAccountName(c.getString(c
1924                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_ACCOUNT_NAME)));
1925             capability.setVersionMayor(c.getInt(c
1926                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_VERSION_MAYOR)));
1927             capability.setVersionMinor(c.getInt(c
1928                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_VERSION_MINOR)));
1929             capability.setVersionMicro(c.getInt(c
1930                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_VERSION_MICRO)));
1931             capability.setVersionString(c.getString(c
1932                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_VERSION_STRING)));
1933             capability.setVersionEdition(c.getString(c
1934                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_VERSION_EDITION)));
1935             capability.setCorePollinterval(c.getInt(c
1936                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_CORE_POLLINTERVAL)));
1937             capability.setFilesSharingApiEnabled(CapabilityBooleanType.fromValue(c.getInt(c
1938                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_API_ENABLED))));
1939             capability.setFilesSharingPublicEnabled(CapabilityBooleanType.fromValue(c.getInt(c
1940                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_ENABLED))));
1941             capability.setFilesSharingPublicPasswordEnforced(CapabilityBooleanType.fromValue(c.getInt(c
1942                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_PASSWORD_ENFORCED))));
1943             capability.setFilesSharingPublicExpireDateEnabled(CapabilityBooleanType.fromValue(c.getInt(c
1944                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_EXPIRE_DATE_ENABLED))));
1945             capability.setFilesSharingPublicExpireDateDays(c.getInt(c
1946                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_EXPIRE_DATE_DAYS)));
1947             capability.setFilesSharingPublicExpireDateEnforced(CapabilityBooleanType.fromValue(c.getInt(c
1948                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_EXPIRE_DATE_ENFORCED))));
1949             capability.setFilesSharingPublicSendMail(CapabilityBooleanType.fromValue(c.getInt(c
1950                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_SEND_MAIL))));
1951             capability.setFilesSharingPublicUpload(CapabilityBooleanType.fromValue(c.getInt(c
1952                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_UPLOAD))));
1953             capability.setFilesSharingUserSendMail(CapabilityBooleanType.fromValue(c.getInt(c
1954                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_USER_SEND_MAIL))));
1955             capability.setFilesSharingResharing(CapabilityBooleanType.fromValue(c.getInt(c
1956                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_RESHARING))));
1957             capability.setFilesSharingFederationOutgoing(CapabilityBooleanType.fromValue(c.getInt(c
1958                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_FEDERATION_OUTGOING))));
1959             capability.setFilesSharingFederationIncoming(CapabilityBooleanType.fromValue(c.getInt(c
1960                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_FEDERATION_INCOMING))));
1961             capability.setFilesBigFileChuncking(CapabilityBooleanType.fromValue(c.getInt(c
1962                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_FILES_BIGFILECHUNKING))));
1963             capability.setFilesUndelete(CapabilityBooleanType.fromValue(c.getInt(c
1964                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_FILES_UNDELETE))));
1965             capability.setFilesVersioning(CapabilityBooleanType.fromValue(c.getInt(c
1966                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_FILES_VERSIONING))));
1967
1968         }
1969         return capability;
1970     }
1971 }