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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012  Bartek Przybylski
   3  *   Copyright (C) 2012-2014 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package com.owncloud.android.datamodel;
  20
  21 import java.io.File;
  22 import java.util.ArrayList;
  23 import java.util.Collection;
  24 import java.util.Collections;
  25 import java.util.Iterator;
  26 import java.util.List;
  27 import java.util.Vector;
  28
  29 import com.owncloud.android.MainApp;
  30 import com.owncloud.android.db.ProviderMeta.ProviderTableMeta;
  31 import com.owncloud.android.lib.common.utils.Log_OC;
  32 import com.owncloud.android.lib.resources.shares.OCShare;
  33 import com.owncloud.android.lib.resources.shares.ShareType;
  34 import com.owncloud.android.lib.resources.files.FileUtils;
  35 import com.owncloud.android.utils.FileStorageUtils;
  36
  37 import android.accounts.Account;
  38 import android.content.ContentProviderClient;
  39 import android.content.ContentProviderOperation;
  40 import android.content.ContentProviderResult;
  41 import android.content.ContentResolver;
  42 import android.content.ContentUris;
  43 import android.content.ContentValues;
  44 import android.content.Intent;
  45 import android.content.OperationApplicationException;
  46 import android.database.Cursor;
  47 import android.net.Uri;
  48 import android.os.RemoteException;
  49
  50 public class FileDataStorageManager {
  51
  52     public static final int ROOT_PARENT_ID = 0;
  53
  54     private ContentResolver mContentResolver;
  55     private ContentProviderClient mContentProviderClient;
  56     private Account mAccount;
  57
  58     private static String TAG = FileDataStorageManager.class.getSimpleName();
  59
  60
  61     public FileDataStorageManager(Account account, ContentResolver cr) {
  62         mContentProviderClient = null;
  63         mContentResolver = cr;
  64         mAccount = account;
  65     }
  66
  67     public FileDataStorageManager(Account account, ContentProviderClient cp) {
  68         mContentProviderClient = cp;
  69         mContentResolver = null;
  70         mAccount = account;
  71     }
  72
  73
  74     public void setAccount(Account account) {
  75         mAccount = account;
  76     }
  77
  78     public Account getAccount() {
  79         return mAccount;
  80     }
  81
  82     public void setContentResolver(ContentResolver cr) {
  83         mContentResolver = cr;
  84     }
  85
  86     public ContentResolver getContentResolver() {
  87         return mContentResolver;
  88     }
  89
  90     public void setContentProviderClient(ContentProviderClient cp) {
  91         mContentProviderClient = cp;
  92     }
  93
  94     public ContentProviderClient getContentProviderClient() {
  95         return mContentProviderClient;
  96     }
  97
  98
  99     public OCFile getFileByPath(String path) {
 100         Cursor c = getCursorForValue(ProviderTableMeta.FILE_PATH, path);
 101         OCFile file = null;
 102         if (c.moveToFirst()) {
 103             file = createFileInstance(c);
 104         }
 105         c.close();
 106         if (file == null && OCFile.ROOT_PATH.equals(path)) {
 107             return createRootDir(); // root should always exist
 108         }
 109         return file;
 110     }
 111
 112
 113     public OCFile getFileById(long id) {
 114         Cursor c = getCursorForValue(ProviderTableMeta._ID, String.valueOf(id));
 115         OCFile file = null;
 116         if (c.moveToFirst()) {
 117             file = createFileInstance(c);
 118         }
 119         c.close();
 120         return file;
 121     }
 122
 123     public OCFile getFileByLocalPath(String path) {
 124         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 125         OCFile file = null;
 126         if (c.moveToFirst()) {
 127             file = createFileInstance(c);
 128         }
 129         c.close();
 130         return file;
 131     }
 132
 133     public boolean fileExists(long id) {
 134         return fileExists(ProviderTableMeta._ID, String.valueOf(id));
 135     }
 136
 137     public boolean fileExists(String path) {
 138         return fileExists(ProviderTableMeta.FILE_PATH, path);
 139     }
 140
 141
 142     public Vector<OCFile> getFolderContent(OCFile f) {
 143         if (f != null && f.isFolder() && f.getFileId() != -1) {
 144             return getFolderContent(f.getFileId());
 145
 146         } else {
 147             return new Vector<OCFile>();
 148         }
 149     }
 150
 151
 152     public Vector<OCFile> getFolderImages(OCFile folder) {
 153         Vector<OCFile> ret = new Vector<OCFile>();
 154         if (folder != null) {
 155             // TODO better implementation, filtering in the access to database instead of here
 156             Vector<OCFile> tmp = getFolderContent(folder);
 157             OCFile current = null;
 158             for (int i=0; i<tmp.size(); i++) {
 159                 current = tmp.get(i);
 160                 if (current.isImage()) {
 161                     ret.add(current);
 162                 }
 163             }
 164         }
 165         return ret;
 166     }
 167
 168
 169     public boolean saveFile(OCFile file) {
 170         boolean overriden = false;
 171         ContentValues cv = new ContentValues();
 172         cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 173         cv.put(
 174             ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 175             file.getModificationTimestampAtLastSyncForData()
 176         );
 177         cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 178         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 179         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 180         cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 181         //if (file.getParentId() != DataStorageManager.ROOT_PARENT_ID)
 182             cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 183         cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 184         if (!file.isFolder())
 185             cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 186         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 187         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 188         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 189         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
 190         cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 191         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
 192         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 193         cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 194         cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 195         cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
 196
 197         boolean sameRemotePath = fileExists(file.getRemotePath());
 198         if (sameRemotePath ||
 199                 fileExists(file.getFileId())        ) {  // for renamed files
 200
 201             OCFile oldFile = null;
 202             if (sameRemotePath) {
 203                 oldFile = getFileByPath(file.getRemotePath());
 204                 file.setFileId(oldFile.getFileId());
 205             } else {
 206                 oldFile = getFileById(file.getFileId());
 207             }
 208
 209             overriden = true;
 210             if (getContentResolver() != null) {
 211                 getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv,
 212                         ProviderTableMeta._ID + "=?",
 213                         new String[] { String.valueOf(file.getFileId()) });
 214             } else {
 215                 try {
 216                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI,
 217                             cv, ProviderTableMeta._ID + "=?",
 218                             new String[] { String.valueOf(file.getFileId()) });
 219                 } catch (RemoteException e) {
 220                     Log_OC.e(TAG,
 221                             "Fail to insert insert file to database "
 222                                     + e.getMessage());
 223                 }
 224             }
 225         } else {
 226             Uri result_uri = null;
 227             if (getContentResolver() != null) {
 228                 result_uri = getContentResolver().insert(
 229                         ProviderTableMeta.CONTENT_URI_FILE, cv);
 230             } else {
 231                 try {
 232                     result_uri = getContentProviderClient().insert(
 233                             ProviderTableMeta.CONTENT_URI_FILE, cv);
 234                 } catch (RemoteException e) {
 235                     Log_OC.e(TAG,
 236                             "Fail to insert insert file to database "
 237                                     + e.getMessage());
 238                 }
 239             }
 240             if (result_uri != null) {
 241                 long new_id = Long.parseLong(result_uri.getPathSegments()
 242                         .get(1));
 243                 file.setFileId(new_id);
 244             }
 245         }
 246
 247 //        if (file.isFolder()) {
 248 //            updateFolderSize(file.getFileId());
 249 //        } else {
 250 //            updateFolderSize(file.getParentId());
 251 //        }
 252
 253         return overriden;
 254     }
 255
 256
 257     /**
 258      * Inserts or updates the list of files contained in a given folder.
 259      *
 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 files
 265      * @param removeNotUpdated
 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.keepInSync() ? 1 : 0);
 299             cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 300             cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
 301             cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 302             cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 303             cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 304             cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
 305
 306             boolean existsByPath = fileExists(file.getRemotePath());
 307             if (existsByPath || fileExists(file.getFileId())) {
 308                 // updating an existing file
 309                 operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 310                         withValues(cv).
 311                         withSelection(  ProviderTableMeta._ID + "=?",
 312                                 new String[] { String.valueOf(file.getFileId()) })
 313                                 .build());
 314
 315             } else {
 316                 // adding a new file
 317                 operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
 318                         withValues(cv).build());
 319             }
 320         }
 321
 322         // prepare operations to remove files in the given folder
 323         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 324                 ProviderTableMeta.FILE_PATH + "=?";
 325         String [] whereArgs = null;
 326         for (OCFile file : filesToRemove) {
 327             if (file.getParentId() == folder.getFileId()) {
 328                 whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 329                 //Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE, "" + file.getFileId());
 330                 if (file.isFolder()) {
 331                     operations.add(ContentProviderOperation.newDelete(
 332                             ContentUris.withAppendedId(
 333                                     ProviderTableMeta.CONTENT_URI_DIR, file.getFileId()
 334                             )
 335                     ).withSelection(where, whereArgs).build());
 336
 337                     File localFolder =
 338                             new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 339                     if (localFolder.exists()) {
 340                         removeLocalFolder(localFolder);
 341                     }
 342                 } else {
 343                     operations.add(ContentProviderOperation.newDelete(
 344                             ContentUris.withAppendedId(
 345                                     ProviderTableMeta.CONTENT_URI_FILE, file.getFileId()
 346                             )
 347                     ).withSelection(where, whereArgs).build());
 348
 349                     if (file.isDown()) {
 350                         String path = file.getStoragePath();
 351                         new File(path).delete();
 352                         triggerMediaScan(path); // notify MediaScanner about removed file
 353                     }
 354                 }
 355             }
 356         }
 357
 358         // update metadata of folder
 359         ContentValues cv = new ContentValues();
 360         cv.put(ProviderTableMeta.FILE_MODIFIED, folder.getModificationTimestamp());
 361         cv.put(
 362             ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 363             folder.getModificationTimestampAtLastSyncForData()
 364         );
 365         cv.put(ProviderTableMeta.FILE_CREATION, folder.getCreationTimestamp());
 366         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, 0);
 367         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, folder.getMimetype());
 368         cv.put(ProviderTableMeta.FILE_NAME, folder.getFileName());
 369         cv.put(ProviderTableMeta.FILE_PARENT, folder.getParentId());
 370         cv.put(ProviderTableMeta.FILE_PATH, folder.getRemotePath());
 371         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 372         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, folder.getLastSyncDateForProperties());
 373         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, folder.getLastSyncDateForData());
 374         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, folder.keepInSync() ? 1 : 0);
 375         cv.put(ProviderTableMeta.FILE_ETAG, folder.getEtag());
 376         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, folder.isShareByLink() ? 1 : 0);
 377         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, folder.getPublicLink());
 378         cv.put(ProviderTableMeta.FILE_PERMISSIONS, folder.getPermissions());
 379         cv.put(ProviderTableMeta.FILE_REMOTE_ID, folder.getRemoteId());
 380
 381         operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 382                 withValues(cv).
 383                 withSelection(  ProviderTableMeta._ID + "=?",
 384                         new String[] { String.valueOf(folder.getFileId()) })
 385                         .build());
 386
 387         // apply operations in batch
 388         ContentProviderResult[] results = null;
 389         Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
 390         try {
 391             if (getContentResolver() != null) {
 392                 results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 393
 394             } else {
 395                 results = getContentProviderClient().applyBatch(operations);
 396             }
 397
 398         } catch (OperationApplicationException e) {
 399             Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
 400
 401         } catch (RemoteException e) {
 402             Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
 403         }
 404
 405         // update new id in file objects for insertions
 406         if (results != null) {
 407             long newId;
 408             Iterator<OCFile> filesIt = updatedFiles.iterator();
 409             OCFile file = null;
 410             for (int i=0; i<results.length; i++) {
 411                 if (filesIt.hasNext()) {
 412                     file = filesIt.next();
 413                 } else {
 414                     file = null;
 415                 }
 416                 if (results[i].uri != null) {
 417                     newId = Long.parseLong(results[i].uri.getPathSegments().get(1));
 418                     //updatedFiles.get(i).setFileId(newId);
 419                     if (file != null) {
 420                         file.setFileId(newId);
 421                     }
 422                 }
 423             }
 424         }
 425
 426         //updateFolderSize(folder.getFileId());
 427
 428     }
 429
 430
 431 //    /**
 432 //     *
 433 //     * @param id
 434 //     */
 435 //    private void updateFolderSize(long id) {
 436 //        if (id > FileDataStorageManager.ROOT_PARENT_ID) {
 437 //            Log_OC.d(TAG, "Updating size of " + id);
 438 //            if (getContentResolver() != null) {
 439 //                getContentResolver().update(ProviderTableMeta.CONTENT_URI_DIR,
 440 //                        new ContentValues(),
 441                             // won't be used, but cannot be null; crashes in KLP
 442 //                        ProviderTableMeta._ID + "=?",
 443 //                        new String[] { String.valueOf(id) });
 444 //            } else {
 445 //                try {
 446 //                    getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_DIR,
 447 //                            new ContentValues(),
 448                                 // won't be used, but cannot be null; crashes in KLP
 449 //                            ProviderTableMeta._ID + "=?",
 450 //                            new String[] { String.valueOf(id) });
 451 //
 452 //                } catch (RemoteException e) {
 453 //                    Log_OC.e(
 454 //    TAG, "Exception in update of folder size through compatibility patch " + e.getMessage());
 455 //                }
 456 //            }
 457 //        } else {
 458 //            Log_OC.e(TAG,  "not updating size for folder " + id);
 459 //        }
 460 //    }
 461
 462
 463     public boolean removeFile(OCFile file, boolean removeDBData, boolean removeLocalCopy) {
 464         boolean success = true;
 465         if (file != null) {
 466             if (file.isFolder()) {
 467                 success = removeFolder(file, removeDBData, removeLocalCopy);
 468
 469             } else {
 470                 if (removeDBData) {
 471                     Uri file_uri = ContentUris.withAppendedId(
 472                         ProviderTableMeta.CONTENT_URI_FILE,
 473                         file.getFileId()
 474                     );
 475                     String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 476                             ProviderTableMeta.FILE_PATH + "=?";
 477                     String [] whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 478                     int deleted = 0;
 479                     if (getContentProviderClient() != null) {
 480                         try {
 481                             deleted = getContentProviderClient().delete(file_uri, where, whereArgs);
 482                         } catch (RemoteException e) {
 483                             e.printStackTrace();
 484                         }
 485                     } else {
 486                         deleted = getContentResolver().delete(file_uri, where, whereArgs);
 487                     }
 488                     success &= (deleted > 0);
 489                 }
 490                 String localPath = file.getStoragePath();
 491                 if (removeLocalCopy && file.isDown() && localPath != null && success) {
 492                     success = new File(localPath).delete();
 493                     if (success) {
 494                         triggerMediaScan(localPath);
 495                     }
 496                     if (!removeDBData && success) {
 497                         // maybe unnecessary, but should be checked TODO remove if unnecessary
 498                         file.setStoragePath(null);
 499                         saveFile(file);
 500                     }
 501                 }
 502             }
 503         }
 504         return success;
 505     }
 506
 507
 508     public boolean removeFolder(OCFile folder, boolean removeDBData, boolean removeLocalContent) {
 509         boolean success = true;
 510         if (folder != null && folder.isFolder()) {
 511             if (removeDBData &&  folder.getFileId() != -1) {
 512                 success = removeFolderInDb(folder);
 513             }
 514             if (removeLocalContent && success) {
 515                 success = removeLocalFolder(folder);
 516             }
 517         }
 518         return success;
 519     }
 520
 521     private boolean removeFolderInDb(OCFile folder) {
 522         Uri folder_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, "" +
 523                 folder.getFileId());   // URI for recursive deletion
 524         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 525                 ProviderTableMeta.FILE_PATH + "=?";
 526         String [] whereArgs = new String[]{mAccount.name, folder.getRemotePath()};
 527         int deleted = 0;
 528         if (getContentProviderClient() != null) {
 529             try {
 530                 deleted = getContentProviderClient().delete(folder_uri, where, whereArgs);
 531             } catch (RemoteException e) {
 532                 e.printStackTrace();
 533             }
 534         } else {
 535             deleted = getContentResolver().delete(folder_uri, where, whereArgs);
 536         }
 537         return deleted > 0;
 538     }
 539
 540     private boolean removeLocalFolder(OCFile folder) {
 541         boolean success = true;
 542         File localFolder = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, folder));
 543         if (localFolder.exists()) {
 544             // stage 1: remove the local files already registered in the files database
 545             Vector<OCFile> files = getFolderContent(folder.getFileId());
 546             if (files != null) {
 547                 for (OCFile file : files) {
 548                     if (file.isFolder()) {
 549                         success &= removeLocalFolder(file);
 550                     } else {
 551                         if (file.isDown()) {
 552                             String path = file.getStoragePath();
 553                             File localFile = new File(file.getStoragePath());
 554                             success &= localFile.delete();
 555                             if (success) {
 556                                 file.setStoragePath(null);
 557                                 saveFile(file);
 558                                 triggerMediaScan(path); // notify MediaScanner about removed file
 559                             }
 560                         }
 561                     }
 562                 }
 563             }
 564
 565             // stage 2: remove the folder itself and any local file inside out of sync;
 566             //          for instance, after clearing the app cache or reinstalling
 567             success &= removeLocalFolder(localFolder);
 568         }
 569         return success;
 570     }
 571
 572     private boolean removeLocalFolder(File localFolder) {
 573         boolean success = true;
 574         File[] localFiles = localFolder.listFiles();
 575         if (localFiles != null) {
 576             for (File localFile : localFiles) {
 577                 if (localFile.isDirectory()) {
 578                     success &= removeLocalFolder(localFile);
 579                 } else {
 580                     String path = localFile.getAbsolutePath();
 581                     success &= localFile.delete();
 582                     triggerMediaScan(path); // notify MediaScanner about removed file
 583                 }
 584             }
 585         }
 586         success &= localFolder.delete();
 587         return success;
 588     }
 589
 590     public void moveFolder(OCFile folder, String newPath) {
 591         // TODO check newPath
 592
 593     }
 594
 595
 596     /**
 597      * Updates database and file system for a file or folder that was moved to a different location.
 598      *
 599      * TODO explore better (faster) implementations
 600      * TODO throw exceptions up !
 601      */
 602     public void moveLocalFile(OCFile file, String targetPath, String targetParentPath) {
 603
 604         if (file != null && file.fileExists() && !OCFile.ROOT_PATH.equals(file.getFileName())) {
 605
 606             OCFile targetParent = getFileByPath(targetParentPath);
 607             if (targetParent == null) {
 608                 throw new IllegalStateException("Parent folder of the target path does not exist!!");
 609             }
 610
 611             /// 1. get all the descendants of the moved element in a single QUERY
 612             Cursor c = null;
 613             if (getContentProviderClient() != null) {
 614                 try {
 615                     c = getContentProviderClient().query(
 616                         ProviderTableMeta.CONTENT_URI,
 617                         null,
 618                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 619                                 ProviderTableMeta.FILE_PATH + " LIKE ? ",
 620                         new String[] {
 621                                 mAccount.name,
 622                                 file.getRemotePath() + "%"
 623                         },
 624                         ProviderTableMeta.FILE_PATH + " ASC "
 625                     );
 626                 } catch (RemoteException e) {
 627                     Log_OC.e(TAG, e.getMessage());
 628                 }
 629
 630             } else {
 631                 c = getContentResolver().query(
 632                     ProviderTableMeta.CONTENT_URI,
 633                     null,
 634                     ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 635                             ProviderTableMeta.FILE_PATH + " LIKE ? ",
 636                     new String[] {
 637                             mAccount.name,
 638                             file.getRemotePath() + "%"
 639                     },
 640                     ProviderTableMeta.FILE_PATH + " ASC "
 641                 );
 642             }
 643
 644             /// 2. prepare a batch of update operations to change all the descendants
 645             ArrayList<ContentProviderOperation> operations =
 646                     new ArrayList<ContentProviderOperation>(c.getCount());
 647             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 648             List<String> originalPathsToTriggerMediaScan = new ArrayList<String>();
 649             List<String> newPathsToTriggerMediaScan = new ArrayList<String>();
 650             if (c.moveToFirst()) {
 651                 int lengthOfOldPath = file.getRemotePath().length();
 652                 int lengthOfOldStoragePath = defaultSavePath.length() + lengthOfOldPath;
 653                 do {
 654                     ContentValues cv = new ContentValues(); // keep construction in the loop
 655                     OCFile child = createFileInstance(c);
 656                     cv.put(
 657                         ProviderTableMeta.FILE_PATH,
 658                         targetPath + child.getRemotePath().substring(lengthOfOldPath)
 659                     );
 660                     if (child.getStoragePath() != null &&
 661                             child.getStoragePath().startsWith(defaultSavePath)) {
 662                         // update link to downloaded content - but local move is not done here!
 663                         String targetLocalPath = defaultSavePath + targetPath +
 664                                 child.getStoragePath().substring(lengthOfOldStoragePath);
 665
 666                         cv.put(ProviderTableMeta.FILE_STORAGE_PATH, targetLocalPath);
 667
 668                         originalPathsToTriggerMediaScan.add(child.getStoragePath());
 669                         newPathsToTriggerMediaScan.add(targetLocalPath);
 670
 671                     }
 672                     if (child.getRemotePath().equals(file.getRemotePath())) {
 673                         cv.put(
 674                                 ProviderTableMeta.FILE_PARENT,
 675                                 targetParent.getFileId()
 676                             );
 677                     }
 678                     operations.add(
 679                         ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 680                             withValues(cv).
 681                             withSelection(
 682                                     ProviderTableMeta._ID + "=?",
 683                                     new String[] { String.valueOf(child.getFileId()) }
 684                                     )
 685                             .build());
 686
 687                 } while (c.moveToNext());
 688             }
 689             c.close();
 690
 691             /// 3. apply updates in batch
 692             try {
 693                 if (getContentResolver() != null) {
 694                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 695
 696                 } else {
 697                     getContentProviderClient().applyBatch(operations);
 698                 }
 699
 700             } catch (Exception e) {
 701                 Log_OC.e(TAG, "Fail to update " + file.getFileId() + " and descendants in database", e);
 702             }
 703
 704             /// 4. move in local file system
 705             String originalLocalPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, file);
 706             String targetLocalPath = defaultSavePath + targetPath;
 707             File localFile = new File(originalLocalPath);
 708             boolean renamed = false;
 709             if (localFile.exists()) {
 710                 File targetFile = new File(targetLocalPath);
 711                 File targetFolder = targetFile.getParentFile();
 712                 if (!targetFolder.exists()) {
 713                     targetFolder.mkdirs();
 714                 }
 715                 renamed = localFile.renameTo(targetFile);
 716             }
 717
 718             if (renamed) {
 719                 Iterator<String> it = originalPathsToTriggerMediaScan.iterator();
 720                 while (it.hasNext()) {
 721                     // Notify MediaScanner about removed file
 722                     triggerMediaScan(it.next());
 723                 }
 724                 it = newPathsToTriggerMediaScan.iterator();
 725                 while (it.hasNext()) {
 726                     // Notify MediaScanner about new file/folder
 727                     triggerMediaScan(it.next());
 728                 }
 729             }
 730         }
 731
 732     }
 733
 734
 735     private Vector<OCFile> getFolderContent(long parentId) {
 736
 737         Vector<OCFile> ret = new Vector<OCFile>();
 738
 739         Uri req_uri = Uri.withAppendedPath(
 740                 ProviderTableMeta.CONTENT_URI_DIR,
 741                 String.valueOf(parentId));
 742         Cursor c = null;
 743
 744         if (getContentProviderClient() != null) {
 745             try {
 746                 c = getContentProviderClient().query(req_uri, null,
 747                         ProviderTableMeta.FILE_PARENT + "=?" ,
 748                         new String[] { String.valueOf(parentId)}, null);
 749             } catch (RemoteException e) {
 750                 Log_OC.e(TAG, e.getMessage());
 751                 return ret;
 752             }
 753         } else {
 754             c = getContentResolver().query(req_uri, null,
 755                     ProviderTableMeta.FILE_PARENT + "=?" ,
 756                     new String[] { String.valueOf(parentId)}, null);
 757         }
 758
 759         if (c.moveToFirst()) {
 760             do {
 761                 OCFile child = createFileInstance(c);
 762                 ret.add(child);
 763             } while (c.moveToNext());
 764         }
 765
 766         c.close();
 767
 768         Collections.sort(ret);
 769
 770         return ret;
 771     }
 772
 773
 774     private OCFile createRootDir() {
 775         OCFile file = new OCFile(OCFile.ROOT_PATH);
 776         file.setMimetype("DIR");
 777         file.setParentId(FileDataStorageManager.ROOT_PARENT_ID);
 778         saveFile(file);
 779         return file;
 780     }
 781
 782     private boolean fileExists(String cmp_key, String value) {
 783         Cursor c;
 784         if (getContentResolver() != null) {
 785             c = getContentResolver()
 786                     .query(ProviderTableMeta.CONTENT_URI,
 787                             null,
 788                             cmp_key + "=? AND "
 789                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 790                                     + "=?",
 791                                     new String[] { value, mAccount.name }, null);
 792         } else {
 793             try {
 794                 c = getContentProviderClient().query(
 795                         ProviderTableMeta.CONTENT_URI,
 796                         null,
 797                         cmp_key + "=? AND "
 798                                 + ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
 799                                 new String[] { value, mAccount.name }, null);
 800             } catch (RemoteException e) {
 801                 Log_OC.e(TAG,
 802                         "Couldn't determine file existance, assuming non existance: "
 803                                 + e.getMessage());
 804                 return false;
 805             }
 806         }
 807         boolean retval = c.moveToFirst();
 808         c.close();
 809         return retval;
 810     }
 811
 812     private Cursor getCursorForValue(String key, String value) {
 813         Cursor c = null;
 814         if (getContentResolver() != null) {
 815             c = getContentResolver()
 816                     .query(ProviderTableMeta.CONTENT_URI,
 817                             null,
 818                             key + "=? AND "
 819                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 820                                     + "=?",
 821                                     new String[] { value, mAccount.name }, null);
 822         } else {
 823             try {
 824                 c = getContentProviderClient().query(
 825                         ProviderTableMeta.CONTENT_URI,
 826                         null,
 827                         key + "=? AND " + ProviderTableMeta.FILE_ACCOUNT_OWNER
 828                         + "=?", new String[] { value, mAccount.name },
 829                         null);
 830             } catch (RemoteException e) {
 831                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 832                 c = null;
 833             }
 834         }
 835         return c;
 836     }
 837
 838
 839     private OCFile createFileInstance(Cursor c) {
 840         OCFile file = null;
 841         if (c != null) {
 842             file = new OCFile(c.getString(c
 843                     .getColumnIndex(ProviderTableMeta.FILE_PATH)));
 844             file.setFileId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
 845             file.setParentId(c.getLong(c
 846                     .getColumnIndex(ProviderTableMeta.FILE_PARENT)));
 847             file.setMimetype(c.getString(c
 848                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE)));
 849             if (!file.isFolder()) {
 850                 file.setStoragePath(c.getString(c
 851                         .getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH)));
 852                 if (file.getStoragePath() == null) {
 853                     // try to find existing file and bind it with current account;
 854                     // with the current update of SynchronizeFolderOperation, this won't be
 855                     // necessary anymore after a full synchronization of the account
 856                     File f = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 857                     if (f.exists()) {
 858                         file.setStoragePath(f.getAbsolutePath());
 859                         file.setLastSyncDateForData(f.lastModified());
 860                     }
 861                 }
 862             }
 863             file.setFileLength(c.getLong(c
 864                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH)));
 865             file.setCreationTimestamp(c.getLong(c
 866                     .getColumnIndex(ProviderTableMeta.FILE_CREATION)));
 867             file.setModificationTimestamp(c.getLong(c
 868                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED)));
 869             file.setModificationTimestampAtLastSyncForData(c.getLong(c
 870                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA)));
 871             file.setLastSyncDateForProperties(c.getLong(c
 872                     .getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE)));
 873             file.setLastSyncDateForData(c.getLong(c.
 874                     getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA)));
 875             file.setKeepInSync(c.getInt(
 876                     c.getColumnIndex(ProviderTableMeta.FILE_KEEP_IN_SYNC)) == 1 ? true : false);
 877             file.setEtag(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG)));
 878             file.setShareByLink(c.getInt(
 879                     c.getColumnIndex(ProviderTableMeta.FILE_SHARE_BY_LINK)) == 1 ? true : false);
 880             file.setPublicLink(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PUBLIC_LINK)));
 881             file.setPermissions(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PERMISSIONS)));
 882             file.setRemoteId(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_REMOTE_ID)));
 883             file.setNeedsUpdateThumbnail(c.getInt(
 884                     c.getColumnIndex(ProviderTableMeta.FILE_UPDATE_THUMBNAIL)) == 1 ? true : false);
 885
 886         }
 887         return file;
 888     }
 889
 890     /**
 891      * Returns if the file/folder is shared by link or not
 892      * @param path  Path of the file/folder
 893      * @return
 894      */
 895     public boolean isShareByLink(String path) {
 896         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 897         OCFile file = null;
 898         if (c.moveToFirst()) {
 899             file = createFileInstance(c);
 900         }
 901         c.close();
 902         return file.isShareByLink();
 903     }
 904
 905     /**
 906      * Returns the public link of the file/folder
 907      * @param path  Path of the file/folder
 908      * @return
 909      */
 910     public String getPublicLink(String path) {
 911         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 912         OCFile file = null;
 913         if (c.moveToFirst()) {
 914             file = createFileInstance(c);
 915         }
 916         c.close();
 917         return file.getPublicLink();
 918     }
 919
 920
 921     // Methods for Shares
 922     public boolean saveShare(OCShare share) {
 923         boolean overriden = false;
 924         ContentValues cv = new ContentValues();
 925         cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
 926         cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
 927         cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
 928         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
 929         cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
 930         cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
 931         cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
 932         cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
 933         cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
 934         cv.put(
 935             ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
 936             share.getSharedWithDisplayName()
 937         );
 938         cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
 939         cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
 940         cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
 941         cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
 942
 943         if (shareExists(share.getIdRemoteShared())) {   // for renamed files
 944
 945             overriden = true;
 946             if (getContentResolver() != null) {
 947                 getContentResolver().update(ProviderTableMeta.CONTENT_URI_SHARE, cv,
 948                         ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 949                         new String[] { String.valueOf(share.getIdRemoteShared()) });
 950             } else {
 951                 try {
 952                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_SHARE,
 953                             cv, ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 954                             new String[] { String.valueOf(share.getIdRemoteShared()) });
 955                 } catch (RemoteException e) {
 956                     Log_OC.e(TAG,
 957                             "Fail to insert insert file to database "
 958                                     + e.getMessage());
 959                 }
 960             }
 961         } else {
 962             Uri result_uri = null;
 963             if (getContentResolver() != null) {
 964                 result_uri = getContentResolver().insert(
 965                         ProviderTableMeta.CONTENT_URI_SHARE, cv);
 966             } else {
 967                 try {
 968                     result_uri = getContentProviderClient().insert(
 969                             ProviderTableMeta.CONTENT_URI_SHARE, cv);
 970                 } catch (RemoteException e) {
 971                     Log_OC.e(TAG,
 972                             "Fail to insert insert file to database "
 973                                     + e.getMessage());
 974                 }
 975             }
 976             if (result_uri != null) {
 977                 long new_id = Long.parseLong(result_uri.getPathSegments()
 978                         .get(1));
 979                 share.setId(new_id);
 980             }
 981         }
 982
 983         return overriden;
 984     }
 985
 986
 987     public OCShare getFirstShareByPathAndType(String path, ShareType type) {
 988         Cursor c = null;
 989         if (getContentResolver() != null) {
 990             c = getContentResolver().query(
 991                     ProviderTableMeta.CONTENT_URI_SHARE,
 992                     null,
 993                     ProviderTableMeta.OCSHARES_PATH + "=? AND "
 994                             + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
 995                             + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
 996                     new String[] { path, Integer.toString(type.getValue()), mAccount.name },
 997                     null);
 998         } else {
 999             try {
1000                 c = getContentProviderClient().query(
1001                         ProviderTableMeta.CONTENT_URI_SHARE,
1002                         null,
1003                         ProviderTableMeta.OCSHARES_PATH + "=? AND "
1004                                 + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
1005                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1006                         new String[] { path, Integer.toString(type.getValue()), mAccount.name },
1007                         null);
1008
1009             } catch (RemoteException e) {
1010                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
1011                 c = null;
1012             }
1013         }
1014         OCShare share = null;
1015         if (c.moveToFirst()) {
1016             share = createShareInstance(c);
1017         }
1018         c.close();
1019         return share;
1020     }
1021
1022     private OCShare createShareInstance(Cursor c) {
1023         OCShare share = null;
1024         if (c != null) {
1025             share = new OCShare(c.getString(c
1026                     .getColumnIndex(ProviderTableMeta.OCSHARES_PATH)));
1027             share.setId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
1028             share.setFileSource(c.getLong(c
1029                     .getColumnIndex(ProviderTableMeta.OCSHARES_ITEM_SOURCE)));
1030             share.setShareType(ShareType.fromValue(c.getInt(c
1031                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_TYPE))));
1032             share.setPermissions(c.getInt(c
1033                     .getColumnIndex(ProviderTableMeta.OCSHARES_PERMISSIONS)));
1034             share.setSharedDate(c.getLong(c
1035                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARED_DATE)));
1036             share.setExpirationDate(c.getLong(c
1037                     .getColumnIndex(ProviderTableMeta.OCSHARES_EXPIRATION_DATE)));
1038             share.setToken(c.getString(c
1039                     .getColumnIndex(ProviderTableMeta.OCSHARES_TOKEN)));
1040             share.setSharedWithDisplayName(c.getString(c
1041                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME)));
1042             share.setIsFolder(c.getInt(
1043                     c.getColumnIndex(ProviderTableMeta.OCSHARES_IS_DIRECTORY)) == 1 ? true : false);
1044             share.setUserId(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_USER_ID)));
1045             share.setIdRemoteShared(
1046                 c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED))
1047             );
1048
1049         }
1050         return share;
1051     }
1052
1053     private boolean shareExists(String cmp_key, String value) {
1054         Cursor c;
1055         if (getContentResolver() != null) {
1056             c = getContentResolver()
1057                     .query(ProviderTableMeta.CONTENT_URI_SHARE,
1058                             null,
1059                             cmp_key + "=? AND "
1060                                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
1061                                     + "=?",
1062                                     new String[] { value, mAccount.name }, null);
1063         } else {
1064             try {
1065                 c = getContentProviderClient().query(
1066                         ProviderTableMeta.CONTENT_URI_SHARE,
1067                         null,
1068                         cmp_key + "=? AND "
1069                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1070                                 new String[] { value, mAccount.name }, null);
1071             } catch (RemoteException e) {
1072                 Log_OC.e(TAG,
1073                         "Couldn't determine file existance, assuming non existance: "
1074                                 + e.getMessage());
1075                 return false;
1076             }
1077         }
1078         boolean retval = c.moveToFirst();
1079         c.close();
1080         return retval;
1081     }
1082
1083     private boolean shareExists(long remoteId) {
1084         return shareExists(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, String.valueOf(remoteId));
1085     }
1086
1087     private void cleanSharedFiles() {
1088         ContentValues cv = new ContentValues();
1089         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
1090         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1091         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?";
1092         String [] whereArgs = new String[]{mAccount.name};
1093
1094         if (getContentResolver() != null) {
1095             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1096
1097         } else {
1098             try {
1099                 getContentProviderClient().update(
1100                         ProviderTableMeta.CONTENT_URI, cv, where, whereArgs
1101                 );
1102
1103             } catch (RemoteException e) {
1104                 Log_OC.e(TAG, "Exception in cleanSharedFiles" + e.getMessage());
1105             }
1106         }
1107     }
1108
1109     private void cleanSharedFilesInFolder(OCFile folder) {
1110         ContentValues cv = new ContentValues();
1111         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
1112         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1113         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1114                 ProviderTableMeta.FILE_PARENT + "=?";
1115         String [] whereArgs = new String[] { mAccount.name , String.valueOf(folder.getFileId()) };
1116
1117         if (getContentResolver() != null) {
1118             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1119
1120         } else {
1121             try {
1122                 getContentProviderClient().update(
1123                         ProviderTableMeta.CONTENT_URI, cv, where, whereArgs
1124                 );
1125
1126             } catch (RemoteException e) {
1127                 Log_OC.e(TAG, "Exception in cleanSharedFilesInFolder " + e.getMessage());
1128             }
1129         }
1130     }
1131
1132     private void cleanShares() {
1133         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1134         String [] whereArgs = new String[]{mAccount.name};
1135
1136         if (getContentResolver() != null) {
1137             getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1138
1139         } else {
1140             try {
1141                 getContentProviderClient().delete(
1142                         ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs
1143                 );
1144
1145             } catch (RemoteException e) {
1146                 Log_OC.e(TAG, "Exception in cleanShares" + e.getMessage());
1147             }
1148         }
1149     }
1150
1151     public void saveShares(Collection<OCShare> shares) {
1152         cleanShares();
1153         if (shares != null) {
1154             ArrayList<ContentProviderOperation> operations =
1155                     new ArrayList<ContentProviderOperation>(shares.size());
1156
1157             // prepare operations to insert or update files to save in the given folder
1158             for (OCShare share : shares) {
1159                 ContentValues cv = new ContentValues();
1160                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1161                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1162                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1163                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1164                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1165                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1166                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1167                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1168                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1169                 cv.put(
1170                     ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1171                     share.getSharedWithDisplayName()
1172                 );
1173                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1174                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1175                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1176                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1177
1178                 if (shareExists(share.getIdRemoteShared())) {
1179                     // updating an existing file
1180                     operations.add(
1181                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1182                             withValues(cv).
1183                             withSelection(
1184                                     ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1185                                     new String[] { String.valueOf(share.getIdRemoteShared()) }
1186                             ).
1187                             build()
1188                     );
1189
1190                 } else {
1191                     // adding a new file
1192                     operations.add(
1193                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1194                             withValues(cv).
1195                             build()
1196                     );
1197                 }
1198             }
1199
1200             // apply operations in batch
1201             if (operations.size() > 0) {
1202                 @SuppressWarnings("unused")
1203                 ContentProviderResult[] results = null;
1204                 Log_OC.d(TAG, "Sending " + operations.size() +
1205                         " operations to FileContentProvider");
1206                 try {
1207                     if (getContentResolver() != null) {
1208                         results = getContentResolver().applyBatch(
1209                                 MainApp.getAuthority(), operations
1210                         );
1211
1212                     } else {
1213                         results = getContentProviderClient().applyBatch(operations);
1214                     }
1215
1216                 } catch (OperationApplicationException e) {
1217                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1218
1219                 } catch (RemoteException e) {
1220                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1221                 }
1222             }
1223         }
1224
1225     }
1226
1227     public void updateSharedFiles(Collection<OCFile> sharedFiles) {
1228         cleanSharedFiles();
1229
1230         if (sharedFiles != null) {
1231             ArrayList<ContentProviderOperation> operations =
1232                     new ArrayList<ContentProviderOperation>(sharedFiles.size());
1233
1234             // prepare operations to insert or update files to save in the given folder
1235             for (OCFile file : sharedFiles) {
1236                 ContentValues cv = new ContentValues();
1237                 cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
1238                 cv.put(
1239                     ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
1240                     file.getModificationTimestampAtLastSyncForData()
1241                 );
1242                 cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
1243                 cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
1244                 cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
1245                 cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
1246                 cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
1247                 cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
1248                 if (!file.isFolder()) {
1249                     cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
1250                 }
1251                 cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
1252                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
1253                 cv.put(
1254                     ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA,
1255                     file.getLastSyncDateForData()
1256                 );
1257                 cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
1258                 cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
1259                 cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
1260                 cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
1261                 cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
1262                 cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
1263                 cv.put(
1264                     ProviderTableMeta.FILE_UPDATE_THUMBNAIL,
1265                     file.needsUpdateThumbnail() ? 1 : 0
1266                 );
1267
1268                 boolean existsByPath = fileExists(file.getRemotePath());
1269                 if (existsByPath || fileExists(file.getFileId())) {
1270                     // updating an existing file
1271                     operations.add(
1272                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
1273                             withValues(cv).
1274                             withSelection(
1275                                     ProviderTableMeta._ID + "=?",
1276                                     new String[] { String.valueOf(file.getFileId()) }
1277                             ).build()
1278                     );
1279
1280                 } else {
1281                     // adding a new file
1282                     operations.add(
1283                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
1284                             withValues(cv).
1285                             build()
1286                     );
1287                 }
1288             }
1289
1290             // apply operations in batch
1291             if (operations.size() > 0) {
1292                 @SuppressWarnings("unused")
1293                 ContentProviderResult[] results = null;
1294                 Log_OC.d(TAG, "Sending " + operations.size() +
1295                         " operations to FileContentProvider");
1296                 try {
1297                     if (getContentResolver() != null) {
1298                         results = getContentResolver().applyBatch(
1299                                 MainApp.getAuthority(), operations
1300                         );
1301
1302                     } else {
1303                         results = getContentProviderClient().applyBatch(operations);
1304                     }
1305
1306                 } catch (OperationApplicationException e) {
1307                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1308
1309                 } catch (RemoteException e) {
1310                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1311                 }
1312             }
1313         }
1314
1315     }
1316
1317     public void removeShare(OCShare share){
1318         Uri share_uri = ProviderTableMeta.CONTENT_URI_SHARE;
1319         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?" + " AND " +
1320                 ProviderTableMeta.FILE_PATH + "=?";
1321         String [] whereArgs = new String[]{mAccount.name, share.getPath()};
1322         if (getContentProviderClient() != null) {
1323             try {
1324                 getContentProviderClient().delete(share_uri, where, whereArgs);
1325             } catch (RemoteException e) {
1326                 e.printStackTrace();
1327             }
1328         } else {
1329             getContentResolver().delete(share_uri, where, whereArgs);
1330         }
1331     }
1332
1333     public void saveSharesDB(ArrayList<OCShare> shares) {
1334         saveShares(shares);
1335
1336         ArrayList<OCFile> sharedFiles = new ArrayList<OCFile>();
1337
1338         for (OCShare share : shares) {
1339             // Get the path
1340             String path = share.getPath();
1341             if (share.isFolder()) {
1342                 path = path + FileUtils.PATH_SEPARATOR;
1343             }
1344
1345             // Update OCFile with data from share: ShareByLink  and publicLink
1346             OCFile file = getFileByPath(path);
1347             if (file != null) {
1348                 if (share.getShareType().equals(ShareType.PUBLIC_LINK)) {
1349                     file.setShareByLink(true);
1350                     sharedFiles.add(file);
1351                 }
1352             }
1353         }
1354
1355         updateSharedFiles(sharedFiles);
1356     }
1357
1358
1359     public void saveSharesInFolder(ArrayList<OCShare> shares, OCFile folder) {
1360         cleanSharedFilesInFolder(folder);
1361         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1362         operations = prepareRemoveSharesInFolder(folder, operations);
1363
1364         if (shares != null) {
1365             // prepare operations to insert or update files to save in the given folder
1366             for (OCShare share : shares) {
1367                 ContentValues cv = new ContentValues();
1368                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1369                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1370                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1371                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1372                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1373                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1374                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1375                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1376                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1377                 cv.put(
1378                     ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1379                     share.getSharedWithDisplayName()
1380                 );
1381                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1382                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1383                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1384                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1385
1386                 /*
1387                 if (shareExists(share.getIdRemoteShared())) {
1388                     // updating an existing share resource
1389                     operations.add(
1390                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1391                             withValues(cv).
1392                             withSelection(  ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1393                                     new String[] { String.valueOf(share.getIdRemoteShared()) })
1394                                     .build());
1395
1396                 } else {
1397                 */
1398                 // adding a new share resource
1399                 operations.add(
1400                         ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1401                         withValues(cv).
1402                         build()
1403                 );
1404                 //}
1405             }
1406         }
1407
1408         // apply operations in batch
1409         if (operations.size() > 0) {
1410             @SuppressWarnings("unused")
1411             ContentProviderResult[] results = null;
1412             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1413             try {
1414                 if (getContentResolver() != null) {
1415                     results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1416
1417                 } else {
1418                     results = getContentProviderClient().applyBatch(operations);
1419                 }
1420
1421             } catch (OperationApplicationException e) {
1422                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1423
1424             } catch (RemoteException e) {
1425                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1426             }
1427         }
1428         //}
1429
1430     }
1431
1432     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFolder(
1433             OCFile folder, ArrayList<ContentProviderOperation> preparedOperations
1434             ) {
1435         if (folder != null) {
1436             String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND "
1437                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1438             String [] whereArgs = new String[]{ "", mAccount.name };
1439
1440             Vector<OCFile> files = getFolderContent(folder);
1441
1442             for (OCFile file : files) {
1443                 whereArgs[0] = file.getRemotePath();
1444                 preparedOperations.add(
1445                         ContentProviderOperation.newDelete(ProviderTableMeta.CONTENT_URI_SHARE).
1446                         withSelection(where, whereArgs).
1447                         build()
1448                 );
1449             }
1450         }
1451         return preparedOperations;
1452
1453         /*
1454         if (operations.size() > 0) {
1455             try {
1456                 if (getContentResolver() != null) {
1457                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1458
1459                 } else {
1460                     getContentProviderClient().applyBatch(operations);
1461                 }
1462
1463             } catch (OperationApplicationException e) {
1464                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1465
1466             } catch (RemoteException e) {
1467                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1468             }
1469         }
1470         */
1471
1472             /*
1473             if (getContentResolver() != null) {
1474
1475                 getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE,
1476                                             where,
1477                                             whereArgs);
1478             } else {
1479                 try {
1480                     getContentProviderClient().delete(  ProviderTableMeta.CONTENT_URI_SHARE,
1481                                                         where,
1482                                                         whereArgs);
1483
1484                 } catch (RemoteException e) {
1485                     Log_OC.e(TAG, "Exception deleting shares in a folder " + e.getMessage());
1486                 }
1487             }
1488             */
1489         //}
1490     }
1491
1492     public void triggerMediaScan(String path) {
1493         Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
1494         intent.setData(Uri.fromFile(new File(path)));
1495         MainApp.getAppContext().sendBroadcast(intent);
1496     }
1497
1498 }