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

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   Copyright (C) 2012  Bartek Przybylski
   5  *   Copyright (C) 2015 ownCloud Inc.
   6  *
   7  *   This program is free software: you can redistribute it and/or modify
   8  *   it under the terms of the GNU General Public License version 2,
   9  *   as published by the Free Software Foundation.
  10  *
  11  *   This program is distributed in the hope that it will be useful,
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *   GNU General Public License for more details.
  15  *
  16  *   You should have received a copy of the GNU General Public License
  17  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  *
  19  */
  20
  21 package com.owncloud.android.datamodel;
  22
  23 import java.io.File;
  24 import java.util.ArrayList;
  25 import java.util.Collection;
  26 import java.util.Collections;
  27 import java.util.Iterator;
  28 import java.util.List;
  29 import java.util.Vector;
  30
  31 import com.owncloud.android.MainApp;
  32 import com.owncloud.android.db.ProviderMeta.ProviderTableMeta;
  33 import com.owncloud.android.lib.common.utils.Log_OC;
  34 import com.owncloud.android.lib.resources.shares.OCShare;
  35 import com.owncloud.android.lib.resources.shares.ShareType;
  36 import com.owncloud.android.lib.resources.files.FileUtils;
  37 import com.owncloud.android.utils.FileStorageUtils;
  38
  39 import android.accounts.Account;
  40 import android.content.ContentProviderClient;
  41 import android.content.ContentProviderOperation;
  42 import android.content.ContentProviderResult;
  43 import android.content.ContentResolver;
  44 import android.content.ContentUris;
  45 import android.content.ContentValues;
  46 import android.content.Intent;
  47 import android.content.OperationApplicationException;
  48 import android.database.Cursor;
  49 import android.net.Uri;
  50 import android.os.RemoteException;
  51 import android.provider.MediaStore;
  52
  53 public class FileDataStorageManager {
  54
  55     public static final int ROOT_PARENT_ID = 0;
  56
  57     private ContentResolver mContentResolver;
  58     private ContentProviderClient mContentProviderClient;
  59     private Account mAccount;
  60
  61     private static String TAG = FileDataStorageManager.class.getSimpleName();
  62
  63
  64     public FileDataStorageManager(Account account, ContentResolver cr) {
  65         mContentProviderClient = null;
  66         mContentResolver = cr;
  67         mAccount = account;
  68     }
  69
  70     public FileDataStorageManager(Account account, ContentProviderClient cp) {
  71         mContentProviderClient = cp;
  72         mContentResolver = null;
  73         mAccount = account;
  74     }
  75
  76
  77     public void setAccount(Account account) {
  78         mAccount = account;
  79     }
  80
  81     public Account getAccount() {
  82         return mAccount;
  83     }
  84
  85     public void setContentResolver(ContentResolver cr) {
  86         mContentResolver = cr;
  87     }
  88
  89     public ContentResolver getContentResolver() {
  90         return mContentResolver;
  91     }
  92
  93     public void setContentProviderClient(ContentProviderClient cp) {
  94         mContentProviderClient = cp;
  95     }
  96
  97     public ContentProviderClient getContentProviderClient() {
  98         return mContentProviderClient;
  99     }
 100
 101
 102     public OCFile getFileByPath(String path) {
 103         Cursor c = getCursorForValue(ProviderTableMeta.FILE_PATH, path);
 104         OCFile file = null;
 105         if (c.moveToFirst()) {
 106             file = createFileInstance(c);
 107         }
 108         c.close();
 109         if (file == null && OCFile.ROOT_PATH.equals(path)) {
 110             return createRootDir(); // root should always exist
 111         }
 112         return file;
 113     }
 114
 115
 116     public OCFile getFileById(long id) {
 117         Cursor c = getCursorForValue(ProviderTableMeta._ID, String.valueOf(id));
 118         OCFile file = null;
 119         if (c.moveToFirst()) {
 120             file = createFileInstance(c);
 121         }
 122         c.close();
 123         return file;
 124     }
 125
 126     public OCFile getFileByLocalPath(String path) {
 127         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 128         OCFile file = null;
 129         if (c.moveToFirst()) {
 130             file = createFileInstance(c);
 131         }
 132         c.close();
 133         return file;
 134     }
 135
 136     public boolean fileExists(long id) {
 137         return fileExists(ProviderTableMeta._ID, String.valueOf(id));
 138     }
 139
 140     public boolean fileExists(String path) {
 141         return fileExists(ProviderTableMeta.FILE_PATH, path);
 142     }
 143
 144
 145     public Vector<OCFile> getFolderContent(OCFile f) {
 146         if (f != null && f.isFolder() && f.getFileId() != -1) {
 147             return getFolderContent(f.getFileId());
 148
 149         } else {
 150             return new Vector<OCFile>();
 151         }
 152     }
 153
 154
 155     public Vector<OCFile> getFolderImages(OCFile folder) {
 156         Vector<OCFile> ret = new Vector<OCFile>();
 157         if (folder != null) {
 158             // TODO better implementation, filtering in the access to database instead of here
 159             Vector<OCFile> tmp = getFolderContent(folder);
 160             OCFile current = null;
 161             for (int i=0; i<tmp.size(); i++) {
 162                 current = tmp.get(i);
 163                 if (current.isImage()) {
 164                     ret.add(current);
 165                 }
 166             }
 167         }
 168         return ret;
 169     }
 170
 171     public Vector<OCFile> getDownloadedFilesByAccount(String accountName) {
 172         Vector<OCFile> ret = new Vector<OCFile>();
 173
 174         return ret;
 175     }
 176
 177     public boolean saveFile(OCFile file) {
 178         boolean overriden = false;
 179         ContentValues cv = new ContentValues();
 180         cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 181         cv.put(
 182             ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 183             file.getModificationTimestampAtLastSyncForData()
 184         );
 185         cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 186         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 187         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 188         cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 189         //if (file.getParentId() != DataStorageManager.ROOT_PARENT_ID)
 190             cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 191         cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 192         if (!file.isFolder())
 193             cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 194         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 195         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 196         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 197         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
 198         cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 199         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
 200         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 201         cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 202         cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 203         cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
 204         cv.put(ProviderTableMeta.FILE_IS_DOWNLOADING, file.isDownloading());
 205
 206         boolean sameRemotePath = fileExists(file.getRemotePath());
 207         if (sameRemotePath ||
 208                 fileExists(file.getFileId())        ) {  // for renamed files
 209
 210             OCFile oldFile = null;
 211             if (sameRemotePath) {
 212                 oldFile = getFileByPath(file.getRemotePath());
 213                 file.setFileId(oldFile.getFileId());
 214             } else {
 215                 oldFile = getFileById(file.getFileId());
 216             }
 217
 218             overriden = true;
 219             if (getContentResolver() != null) {
 220                 getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv,
 221                         ProviderTableMeta._ID + "=?",
 222                         new String[] { String.valueOf(file.getFileId()) });
 223             } else {
 224                 try {
 225                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI,
 226                             cv, ProviderTableMeta._ID + "=?",
 227                             new String[] { String.valueOf(file.getFileId()) });
 228                 } catch (RemoteException e) {
 229                     Log_OC.e(TAG,
 230                             "Fail to insert insert file to database "
 231                                     + e.getMessage());
 232                 }
 233             }
 234         } else {
 235             Uri result_uri = null;
 236             if (getContentResolver() != null) {
 237                 result_uri = getContentResolver().insert(
 238                         ProviderTableMeta.CONTENT_URI_FILE, cv);
 239             } else {
 240                 try {
 241                     result_uri = getContentProviderClient().insert(
 242                             ProviderTableMeta.CONTENT_URI_FILE, cv);
 243                 } catch (RemoteException e) {
 244                     Log_OC.e(TAG,
 245                             "Fail to insert insert file to database "
 246                                     + e.getMessage());
 247                 }
 248             }
 249             if (result_uri != null) {
 250                 long new_id = Long.parseLong(result_uri.getPathSegments()
 251                         .get(1));
 252                 file.setFileId(new_id);
 253             }
 254         }
 255
 256 //        if (file.isFolder()) {
 257 //            updateFolderSize(file.getFileId());
 258 //        } else {
 259 //            updateFolderSize(file.getParentId());
 260 //        }
 261
 262         return overriden;
 263     }
 264
 265
 266     /**
 267      * Inserts or updates the list of files contained in a given folder.
 268      *
 269      * CALLER IS THE RESPONSIBLE FOR GRANTING RIGHT UPDATE OF INFORMATION, NOT THIS METHOD.
 270      * HERE ONLY DATA CONSISTENCY SHOULD BE GRANTED
 271      *
 272      * @param folder
 273      * @param updatedFiles
 274      * @param filesToRemove
 275      */
 276     public void saveFolder(
 277             OCFile folder, Collection<OCFile> updatedFiles, Collection<OCFile> filesToRemove
 278         ) {
 279
 280         Log_OC.d(TAG,  "Saving folder " + folder.getRemotePath() + " with " + updatedFiles.size()
 281                 + " children and " + filesToRemove.size() + " files to remove");
 282
 283         ArrayList<ContentProviderOperation> operations =
 284                 new ArrayList<ContentProviderOperation>(updatedFiles.size());
 285
 286         // prepare operations to insert or update files to save in the given folder
 287         for (OCFile file : updatedFiles) {
 288             ContentValues cv = new ContentValues();
 289             cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 290             cv.put(
 291                 ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 292                 file.getModificationTimestampAtLastSyncForData()
 293             );
 294             cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 295             cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 296             cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 297             cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 298             //cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 299             cv.put(ProviderTableMeta.FILE_PARENT, folder.getFileId());
 300             cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 301             if (!file.isFolder()) {
 302                 cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 303             }
 304             cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 305             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 306             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 307             cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
 308             cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 309             cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
 310             cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 311             cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 312             cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 313             cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
 314             cv.put(ProviderTableMeta.FILE_IS_DOWNLOADING, file.isDownloading());
 315
 316             boolean existsByPath = fileExists(file.getRemotePath());
 317             if (existsByPath || fileExists(file.getFileId())) {
 318                 // updating an existing file
 319                 operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 320                         withValues(cv).
 321                         withSelection(  ProviderTableMeta._ID + "=?",
 322                                 new String[] { String.valueOf(file.getFileId()) })
 323                                 .build());
 324
 325             } else {
 326                 // adding a new file
 327                 operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
 328                         withValues(cv).build());
 329             }
 330         }
 331
 332         // prepare operations to remove files in the given folder
 333         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 334                 ProviderTableMeta.FILE_PATH + "=?";
 335         String [] whereArgs = null;
 336         for (OCFile file : filesToRemove) {
 337             if (file.getParentId() == folder.getFileId()) {
 338                 whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 339                 //Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE, "" + file.getFileId());
 340                 if (file.isFolder()) {
 341                     operations.add(ContentProviderOperation.newDelete(
 342                             ContentUris.withAppendedId(
 343                                     ProviderTableMeta.CONTENT_URI_DIR, file.getFileId()
 344                             )
 345                     ).withSelection(where, whereArgs).build());
 346
 347                     File localFolder =
 348                             new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 349                     if (localFolder.exists()) {
 350                         removeLocalFolder(localFolder);
 351                     }
 352                 } else {
 353                     operations.add(ContentProviderOperation.newDelete(
 354                             ContentUris.withAppendedId(
 355                                     ProviderTableMeta.CONTENT_URI_FILE, file.getFileId()
 356                             )
 357                     ).withSelection(where, whereArgs).build());
 358
 359                     if (file.isDown()) {
 360                         String path = file.getStoragePath();
 361                         new File(path).delete();
 362                         triggerMediaScan(path); // notify MediaScanner about removed file
 363                     }
 364                 }
 365             }
 366         }
 367
 368         // update metadata of folder
 369         ContentValues cv = new ContentValues();
 370         cv.put(ProviderTableMeta.FILE_MODIFIED, folder.getModificationTimestamp());
 371         cv.put(
 372             ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 373             folder.getModificationTimestampAtLastSyncForData()
 374         );
 375         cv.put(ProviderTableMeta.FILE_CREATION, folder.getCreationTimestamp());
 376         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, 0);
 377         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, folder.getMimetype());
 378         cv.put(ProviderTableMeta.FILE_NAME, folder.getFileName());
 379         cv.put(ProviderTableMeta.FILE_PARENT, folder.getParentId());
 380         cv.put(ProviderTableMeta.FILE_PATH, folder.getRemotePath());
 381         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 382         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, folder.getLastSyncDateForProperties());
 383         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, folder.getLastSyncDateForData());
 384         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, folder.keepInSync() ? 1 : 0);
 385         cv.put(ProviderTableMeta.FILE_ETAG, folder.getEtag());
 386         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, folder.isShareByLink() ? 1 : 0);
 387         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, folder.getPublicLink());
 388         cv.put(ProviderTableMeta.FILE_PERMISSIONS, folder.getPermissions());
 389         cv.put(ProviderTableMeta.FILE_REMOTE_ID, folder.getRemoteId());
 390
 391         operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 392                 withValues(cv).
 393                 withSelection(  ProviderTableMeta._ID + "=?",
 394                         new String[] { String.valueOf(folder.getFileId()) })
 395                         .build());
 396
 397         // apply operations in batch
 398         ContentProviderResult[] results = null;
 399         Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
 400         try {
 401             if (getContentResolver() != null) {
 402                 results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 403
 404             } else {
 405                 results = getContentProviderClient().applyBatch(operations);
 406             }
 407
 408         } catch (OperationApplicationException e) {
 409             Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
 410
 411         } catch (RemoteException e) {
 412             Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
 413         }
 414
 415         // update new id in file objects for insertions
 416         if (results != null) {
 417             long newId;
 418             Iterator<OCFile> filesIt = updatedFiles.iterator();
 419             OCFile file = null;
 420             for (int i=0; i<results.length; i++) {
 421                 if (filesIt.hasNext()) {
 422                     file = filesIt.next();
 423                 } else {
 424                     file = null;
 425                 }
 426                 if (results[i].uri != null) {
 427                     newId = Long.parseLong(results[i].uri.getPathSegments().get(1));
 428                     //updatedFiles.get(i).setFileId(newId);
 429                     if (file != null) {
 430                         file.setFileId(newId);
 431                     }
 432                 }
 433             }
 434         }
 435
 436         //updateFolderSize(folder.getFileId());
 437
 438     }
 439
 440
 441 //    /**
 442 //     *
 443 //     * @param id
 444 //     */
 445 //    private void updateFolderSize(long id) {
 446 //        if (id > FileDataStorageManager.ROOT_PARENT_ID) {
 447 //            Log_OC.d(TAG, "Updating size of " + id);
 448 //            if (getContentResolver() != null) {
 449 //                getContentResolver().update(ProviderTableMeta.CONTENT_URI_DIR,
 450 //                        new ContentValues(),
 451                             // won't be used, but cannot be null; crashes in KLP
 452 //                        ProviderTableMeta._ID + "=?",
 453 //                        new String[] { String.valueOf(id) });
 454 //            } else {
 455 //                try {
 456 //                    getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_DIR,
 457 //                            new ContentValues(),
 458                                 // won't be used, but cannot be null; crashes in KLP
 459 //                            ProviderTableMeta._ID + "=?",
 460 //                            new String[] { String.valueOf(id) });
 461 //
 462 //                } catch (RemoteException e) {
 463 //                    Log_OC.e(
 464 //    TAG, "Exception in update of folder size through compatibility patch " + e.getMessage());
 465 //                }
 466 //            }
 467 //        } else {
 468 //            Log_OC.e(TAG,  "not updating size for folder " + id);
 469 //        }
 470 //    }
 471
 472
 473     public boolean removeFile(OCFile file, boolean removeDBData, boolean removeLocalCopy) {
 474         boolean success = true;
 475         if (file != null) {
 476             if (file.isFolder()) {
 477                 success = removeFolder(file, removeDBData, removeLocalCopy);
 478
 479             } else {
 480                 if (removeDBData) {
 481                     Uri file_uri = ContentUris.withAppendedId(
 482                         ProviderTableMeta.CONTENT_URI_FILE,
 483                         file.getFileId()
 484                     );
 485                     String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 486                             ProviderTableMeta.FILE_PATH + "=?";
 487                     String [] whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 488                     int deleted = 0;
 489                     if (getContentProviderClient() != null) {
 490                         try {
 491                             deleted = getContentProviderClient().delete(file_uri, where, whereArgs);
 492                         } catch (RemoteException e) {
 493                             e.printStackTrace();
 494                         }
 495                     } else {
 496                         deleted = getContentResolver().delete(file_uri, where, whereArgs);
 497                     }
 498                     success &= (deleted > 0);
 499                 }
 500                 String localPath = file.getStoragePath();
 501                 if (removeLocalCopy && file.isDown() && localPath != null && success) {
 502                     success = new File(localPath).delete();
 503                     if (success) {
 504                         deleteFileInMediaScan(localPath);
 505                     }
 506                     if (!removeDBData && success) {
 507                         // maybe unnecessary, but should be checked TODO remove if unnecessary
 508                         file.setStoragePath(null);
 509                         saveFile(file);
 510                     }
 511                 }
 512             }
 513         }
 514         return success;
 515     }
 516
 517
 518     public boolean removeFolder(OCFile folder, boolean removeDBData, boolean removeLocalContent) {
 519         boolean success = true;
 520         if (folder != null && folder.isFolder()) {
 521             if (removeDBData &&  folder.getFileId() != -1) {
 522                 success = removeFolderInDb(folder);
 523             }
 524             if (removeLocalContent && success) {
 525                 success = removeLocalFolder(folder);
 526             }
 527         }
 528         return success;
 529     }
 530
 531     private boolean removeFolderInDb(OCFile folder) {
 532         Uri folder_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, "" +
 533                 folder.getFileId());   // URI for recursive deletion
 534         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 535                 ProviderTableMeta.FILE_PATH + "=?";
 536         String [] whereArgs = new String[]{mAccount.name, folder.getRemotePath()};
 537         int deleted = 0;
 538         if (getContentProviderClient() != null) {
 539             try {
 540                 deleted = getContentProviderClient().delete(folder_uri, where, whereArgs);
 541             } catch (RemoteException e) {
 542                 e.printStackTrace();
 543             }
 544         } else {
 545             deleted = getContentResolver().delete(folder_uri, where, whereArgs);
 546         }
 547         return deleted > 0;
 548     }
 549
 550     private boolean removeLocalFolder(OCFile folder) {
 551         boolean success = true;
 552         String localFolderPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, folder);
 553         File localFolder = new File(localFolderPath);
 554         if (localFolder.exists()) {
 555             // stage 1: remove the local files already registered in the files database
 556             Vector<OCFile> files = getFolderContent(folder.getFileId());
 557             if (files != null) {
 558                 for (OCFile file : files) {
 559                     if (file.isFolder()) {
 560                         success &= removeLocalFolder(file);
 561                     } else {
 562                         if (file.isDown()) {
 563                             File localFile = new File(file.getStoragePath());
 564                             success &= localFile.delete();
 565                             if (success) {
 566                                 // notify MediaScanner about removed file
 567                                 deleteFileInMediaScan(file.getStoragePath());
 568                                 file.setStoragePath(null);
 569                                 saveFile(file);
 570                             }
 571                         }
 572                     }
 573                 }
 574             }
 575
 576             // stage 2: remove the folder itself and any local file inside out of sync;
 577             //          for instance, after clearing the app cache or reinstalling
 578             success &= removeLocalFolder(localFolder);
 579         }
 580         return success;
 581     }
 582
 583     private boolean removeLocalFolder(File localFolder) {
 584         boolean success = true;
 585         File[] localFiles = localFolder.listFiles();
 586         if (localFiles != null) {
 587             for (File localFile : localFiles) {
 588                 if (localFile.isDirectory()) {
 589                     success &= removeLocalFolder(localFile);
 590                 } else {
 591                     String path = localFile.getAbsolutePath();
 592                     success &= localFile.delete();
 593                 }
 594             }
 595         }
 596         success &= localFolder.delete();
 597         return success;
 598     }
 599
 600
 601     /**
 602      * Updates database and file system for a file or folder that was moved to a different location.
 603      *
 604      * TODO explore better (faster) implementations
 605      * TODO throw exceptions up !
 606      */
 607     public void moveLocalFile(OCFile file, String targetPath, String targetParentPath) {
 608
 609         if (file != null && file.fileExists() && !OCFile.ROOT_PATH.equals(file.getFileName())) {
 610
 611             OCFile targetParent = getFileByPath(targetParentPath);
 612             if (targetParent == null) {
 613                 throw new IllegalStateException("Parent folder of the target path does not exist!!");
 614             }
 615
 616             /// 1. get all the descendants of the moved element in a single QUERY
 617             Cursor c = null;
 618             if (getContentProviderClient() != null) {
 619                 try {
 620                     c = getContentProviderClient().query(
 621                         ProviderTableMeta.CONTENT_URI,
 622                         null,
 623                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 624                                 ProviderTableMeta.FILE_PATH + " LIKE ? ",
 625                         new String[] {
 626                                 mAccount.name,
 627                                 file.getRemotePath() + "%"
 628                         },
 629                         ProviderTableMeta.FILE_PATH + " ASC "
 630                     );
 631                 } catch (RemoteException e) {
 632                     Log_OC.e(TAG, e.getMessage());
 633                 }
 634
 635             } else {
 636                 c = getContentResolver().query(
 637                     ProviderTableMeta.CONTENT_URI,
 638                     null,
 639                     ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 640                             ProviderTableMeta.FILE_PATH + " LIKE ? ",
 641                     new String[] {
 642                             mAccount.name,
 643                             file.getRemotePath() + "%"
 644                     },
 645                     ProviderTableMeta.FILE_PATH + " ASC "
 646                 );
 647             }
 648
 649             /// 2. prepare a batch of update operations to change all the descendants
 650             ArrayList<ContentProviderOperation> operations =
 651                     new ArrayList<ContentProviderOperation>(c.getCount());
 652             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 653             List<String> originalPathsToTriggerMediaScan = new ArrayList<String>();
 654             List<String> newPathsToTriggerMediaScan = new ArrayList<String>();
 655             if (c.moveToFirst()) {
 656                 int lengthOfOldPath = file.getRemotePath().length();
 657                 int lengthOfOldStoragePath = defaultSavePath.length() + lengthOfOldPath;
 658                 do {
 659                     ContentValues cv = new ContentValues(); // keep construction in the loop
 660                     OCFile child = createFileInstance(c);
 661                     cv.put(
 662                         ProviderTableMeta.FILE_PATH,
 663                         targetPath + child.getRemotePath().substring(lengthOfOldPath)
 664                     );
 665                     if (child.getStoragePath() != null &&
 666                             child.getStoragePath().startsWith(defaultSavePath)) {
 667                         // update link to downloaded content - but local move is not done here!
 668                         String targetLocalPath = defaultSavePath + targetPath +
 669                                 child.getStoragePath().substring(lengthOfOldStoragePath);
 670
 671                         cv.put(ProviderTableMeta.FILE_STORAGE_PATH, targetLocalPath);
 672
 673                         originalPathsToTriggerMediaScan.add(child.getStoragePath());
 674                         newPathsToTriggerMediaScan.add(targetLocalPath);
 675
 676                     }
 677                     if (child.getRemotePath().equals(file.getRemotePath())) {
 678                         cv.put(
 679                                 ProviderTableMeta.FILE_PARENT,
 680                                 targetParent.getFileId()
 681                             );
 682                     }
 683                     operations.add(
 684                         ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 685                             withValues(cv).
 686                             withSelection(
 687                                     ProviderTableMeta._ID + "=?",
 688                                     new String[] { String.valueOf(child.getFileId()) }
 689                                     )
 690                             .build());
 691
 692                 } while (c.moveToNext());
 693             }
 694             c.close();
 695
 696             /// 3. apply updates in batch
 697             try {
 698                 if (getContentResolver() != null) {
 699                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 700
 701                 } else {
 702                     getContentProviderClient().applyBatch(operations);
 703                 }
 704
 705             } catch (Exception e) {
 706                 Log_OC.e(TAG, "Fail to update " + file.getFileId() + " and descendants in database", e);
 707             }
 708
 709             /// 4. move in local file system
 710             String originalLocalPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, file);
 711             String targetLocalPath = defaultSavePath + targetPath;
 712             File localFile = new File(originalLocalPath);
 713             boolean renamed = false;
 714             if (localFile.exists()) {
 715                 File targetFile = new File(targetLocalPath);
 716                 File targetFolder = targetFile.getParentFile();
 717                 if (!targetFolder.exists()) {
 718                     targetFolder.mkdirs();
 719                 }
 720                 renamed = localFile.renameTo(targetFile);
 721             }
 722
 723             if (renamed) {
 724                 Iterator<String> it = originalPathsToTriggerMediaScan.iterator();
 725                 while (it.hasNext()) {
 726                     // Notify MediaScanner about removed file
 727                     deleteFileInMediaScan(it.next());
 728                 }
 729                 it = newPathsToTriggerMediaScan.iterator();
 730                 while (it.hasNext()) {
 731                     // Notify MediaScanner about new file/folder
 732                     triggerMediaScan(it.next());
 733                 }
 734             }
 735         }
 736
 737     }
 738
 739
 740     private Vector<OCFile> getFolderContent(long parentId) {
 741
 742         Vector<OCFile> ret = new Vector<OCFile>();
 743
 744         Uri req_uri = Uri.withAppendedPath(
 745                 ProviderTableMeta.CONTENT_URI_DIR,
 746                 String.valueOf(parentId));
 747         Cursor c = null;
 748
 749         if (getContentProviderClient() != null) {
 750             try {
 751                 c = getContentProviderClient().query(req_uri, null,
 752                         ProviderTableMeta.FILE_PARENT + "=?" ,
 753                         new String[] { String.valueOf(parentId)}, null);
 754             } catch (RemoteException e) {
 755                 Log_OC.e(TAG, e.getMessage());
 756                 return ret;
 757             }
 758         } else {
 759             c = getContentResolver().query(req_uri, null,
 760                     ProviderTableMeta.FILE_PARENT + "=?" ,
 761                     new String[] { String.valueOf(parentId)}, null);
 762         }
 763
 764         if (c.moveToFirst()) {
 765             do {
 766                 OCFile child = createFileInstance(c);
 767                 ret.add(child);
 768             } while (c.moveToNext());
 769         }
 770
 771         c.close();
 772
 773         Collections.sort(ret);
 774
 775         return ret;
 776     }
 777
 778
 779     private OCFile createRootDir() {
 780         OCFile file = new OCFile(OCFile.ROOT_PATH);
 781         file.setMimetype("DIR");
 782         file.setParentId(FileDataStorageManager.ROOT_PARENT_ID);
 783         saveFile(file);
 784         return file;
 785     }
 786
 787     private boolean fileExists(String cmp_key, String value) {
 788         Cursor c;
 789         if (getContentResolver() != null) {
 790             c = getContentResolver()
 791                     .query(ProviderTableMeta.CONTENT_URI,
 792                             null,
 793                             cmp_key + "=? AND "
 794                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 795                                     + "=?",
 796                                     new String[] { value, mAccount.name }, null);
 797         } else {
 798             try {
 799                 c = getContentProviderClient().query(
 800                         ProviderTableMeta.CONTENT_URI,
 801                         null,
 802                         cmp_key + "=? AND "
 803                                 + ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
 804                                 new String[] { value, mAccount.name }, null);
 805             } catch (RemoteException e) {
 806                 Log_OC.e(TAG,
 807                         "Couldn't determine file existance, assuming non existance: "
 808                                 + e.getMessage());
 809                 return false;
 810             }
 811         }
 812         boolean retval = c.moveToFirst();
 813         c.close();
 814         return retval;
 815     }
 816
 817     private Cursor getCursorForValue(String key, String value) {
 818         Cursor c = null;
 819         if (getContentResolver() != null) {
 820             c = getContentResolver()
 821                     .query(ProviderTableMeta.CONTENT_URI,
 822                             null,
 823                             key + "=? AND "
 824                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 825                                     + "=?",
 826                                     new String[] { value, mAccount.name }, null);
 827         } else {
 828             try {
 829                 c = getContentProviderClient().query(
 830                         ProviderTableMeta.CONTENT_URI,
 831                         null,
 832                         key + "=? AND " + ProviderTableMeta.FILE_ACCOUNT_OWNER
 833                         + "=?", new String[] { value, mAccount.name },
 834                         null);
 835             } catch (RemoteException e) {
 836                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 837                 c = null;
 838             }
 839         }
 840         return c;
 841     }
 842
 843
 844     private OCFile createFileInstance(Cursor c) {
 845         OCFile file = null;
 846         if (c != null) {
 847             file = new OCFile(c.getString(c
 848                     .getColumnIndex(ProviderTableMeta.FILE_PATH)));
 849             file.setFileId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
 850             file.setParentId(c.getLong(c
 851                     .getColumnIndex(ProviderTableMeta.FILE_PARENT)));
 852             file.setMimetype(c.getString(c
 853                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE)));
 854             if (!file.isFolder()) {
 855                 file.setStoragePath(c.getString(c
 856                         .getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH)));
 857                 if (file.getStoragePath() == null) {
 858                     // try to find existing file and bind it with current account;
 859                     // with the current update of SynchronizeFolderOperation, this won't be
 860                     // necessary anymore after a full synchronization of the account
 861                     File f = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 862                     if (f.exists()) {
 863                         file.setStoragePath(f.getAbsolutePath());
 864                         file.setLastSyncDateForData(f.lastModified());
 865                     }
 866                 }
 867             }
 868             file.setFileLength(c.getLong(c
 869                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH)));
 870             file.setCreationTimestamp(c.getLong(c
 871                     .getColumnIndex(ProviderTableMeta.FILE_CREATION)));
 872             file.setModificationTimestamp(c.getLong(c
 873                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED)));
 874             file.setModificationTimestampAtLastSyncForData(c.getLong(c
 875                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA)));
 876             file.setLastSyncDateForProperties(c.getLong(c
 877                     .getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE)));
 878             file.setLastSyncDateForData(c.getLong(c.
 879                     getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA)));
 880             file.setKeepInSync(c.getInt(
 881                     c.getColumnIndex(ProviderTableMeta.FILE_KEEP_IN_SYNC)) == 1 ? true : false);
 882             file.setEtag(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG)));
 883             file.setShareByLink(c.getInt(
 884                     c.getColumnIndex(ProviderTableMeta.FILE_SHARE_BY_LINK)) == 1 ? true : false);
 885             file.setPublicLink(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PUBLIC_LINK)));
 886             file.setPermissions(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PERMISSIONS)));
 887             file.setRemoteId(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_REMOTE_ID)));
 888             file.setNeedsUpdateThumbnail(c.getInt(
 889                     c.getColumnIndex(ProviderTableMeta.FILE_UPDATE_THUMBNAIL)) == 1 ? true : false);
 890             file.setDownloading(c.getInt(
 891                     c.getColumnIndex(ProviderTableMeta.FILE_IS_DOWNLOADING)) == 1 ? true : false);
 892
 893         }
 894         return file;
 895     }
 896
 897     /**
 898      * Returns if the file/folder is shared by link or not
 899      * @param path  Path of the file/folder
 900      * @return
 901      */
 902     public boolean isShareByLink(String path) {
 903         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 904         OCFile file = null;
 905         if (c.moveToFirst()) {
 906             file = createFileInstance(c);
 907         }
 908         c.close();
 909         return file.isShareByLink();
 910     }
 911
 912     /**
 913      * Returns the public link of the file/folder
 914      * @param path  Path of the file/folder
 915      * @return
 916      */
 917     public String getPublicLink(String path) {
 918         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 919         OCFile file = null;
 920         if (c.moveToFirst()) {
 921             file = createFileInstance(c);
 922         }
 923         c.close();
 924         return file.getPublicLink();
 925     }
 926
 927
 928     // Methods for Shares
 929     public boolean saveShare(OCShare share) {
 930         boolean overriden = false;
 931         ContentValues cv = new ContentValues();
 932         cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
 933         cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
 934         cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
 935         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
 936         cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
 937         cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
 938         cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
 939         cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
 940         cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
 941         cv.put(
 942             ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
 943             share.getSharedWithDisplayName()
 944         );
 945         cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
 946         cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
 947         cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
 948         cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
 949
 950         if (shareExists(share.getIdRemoteShared())) {   // for renamed files
 951
 952             overriden = true;
 953             if (getContentResolver() != null) {
 954                 getContentResolver().update(ProviderTableMeta.CONTENT_URI_SHARE, cv,
 955                         ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 956                         new String[] { String.valueOf(share.getIdRemoteShared()) });
 957             } else {
 958                 try {
 959                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_SHARE,
 960                             cv, ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 961                             new String[] { String.valueOf(share.getIdRemoteShared()) });
 962                 } catch (RemoteException e) {
 963                     Log_OC.e(TAG,
 964                             "Fail to insert insert file to database "
 965                                     + e.getMessage());
 966                 }
 967             }
 968         } else {
 969             Uri result_uri = null;
 970             if (getContentResolver() != null) {
 971                 result_uri = getContentResolver().insert(
 972                         ProviderTableMeta.CONTENT_URI_SHARE, cv);
 973             } else {
 974                 try {
 975                     result_uri = getContentProviderClient().insert(
 976                             ProviderTableMeta.CONTENT_URI_SHARE, cv);
 977                 } catch (RemoteException e) {
 978                     Log_OC.e(TAG,
 979                             "Fail to insert insert file to database "
 980                                     + e.getMessage());
 981                 }
 982             }
 983             if (result_uri != null) {
 984                 long new_id = Long.parseLong(result_uri.getPathSegments()
 985                         .get(1));
 986                 share.setId(new_id);
 987             }
 988         }
 989
 990         return overriden;
 991     }
 992
 993
 994     public OCShare getFirstShareByPathAndType(String path, ShareType type) {
 995         Cursor c = null;
 996         if (getContentResolver() != null) {
 997             c = getContentResolver().query(
 998                     ProviderTableMeta.CONTENT_URI_SHARE,
 999                     null,
1000                     ProviderTableMeta.OCSHARES_PATH + "=? AND "
1001                             + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
1002                             + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1003                     new String[] { path, Integer.toString(type.getValue()), mAccount.name },
1004                     null);
1005         } else {
1006             try {
1007                 c = getContentProviderClient().query(
1008                         ProviderTableMeta.CONTENT_URI_SHARE,
1009                         null,
1010                         ProviderTableMeta.OCSHARES_PATH + "=? AND "
1011                                 + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
1012                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1013                         new String[] { path, Integer.toString(type.getValue()), mAccount.name },
1014                         null);
1015
1016             } catch (RemoteException e) {
1017                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
1018                 c = null;
1019             }
1020         }
1021         OCShare share = null;
1022         if (c.moveToFirst()) {
1023             share = createShareInstance(c);
1024         }
1025         c.close();
1026         return share;
1027     }
1028
1029     private OCShare createShareInstance(Cursor c) {
1030         OCShare share = null;
1031         if (c != null) {
1032             share = new OCShare(c.getString(c
1033                     .getColumnIndex(ProviderTableMeta.OCSHARES_PATH)));
1034             share.setId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
1035             share.setFileSource(c.getLong(c
1036                     .getColumnIndex(ProviderTableMeta.OCSHARES_ITEM_SOURCE)));
1037             share.setShareType(ShareType.fromValue(c.getInt(c
1038                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_TYPE))));
1039             share.setPermissions(c.getInt(c
1040                     .getColumnIndex(ProviderTableMeta.OCSHARES_PERMISSIONS)));
1041             share.setSharedDate(c.getLong(c
1042                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARED_DATE)));
1043             share.setExpirationDate(c.getLong(c
1044                     .getColumnIndex(ProviderTableMeta.OCSHARES_EXPIRATION_DATE)));
1045             share.setToken(c.getString(c
1046                     .getColumnIndex(ProviderTableMeta.OCSHARES_TOKEN)));
1047             share.setSharedWithDisplayName(c.getString(c
1048                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME)));
1049             share.setIsFolder(c.getInt(
1050                     c.getColumnIndex(ProviderTableMeta.OCSHARES_IS_DIRECTORY)) == 1 ? true : false);
1051             share.setUserId(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_USER_ID)));
1052             share.setIdRemoteShared(
1053                 c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED))
1054             );
1055
1056         }
1057         return share;
1058     }
1059
1060     private boolean shareExists(String cmp_key, String value) {
1061         Cursor c;
1062         if (getContentResolver() != null) {
1063             c = getContentResolver()
1064                     .query(ProviderTableMeta.CONTENT_URI_SHARE,
1065                             null,
1066                             cmp_key + "=? AND "
1067                                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
1068                                     + "=?",
1069                                     new String[] { value, mAccount.name }, null);
1070         } else {
1071             try {
1072                 c = getContentProviderClient().query(
1073                         ProviderTableMeta.CONTENT_URI_SHARE,
1074                         null,
1075                         cmp_key + "=? AND "
1076                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1077                                 new String[] { value, mAccount.name }, null);
1078             } catch (RemoteException e) {
1079                 Log_OC.e(TAG,
1080                         "Couldn't determine file existance, assuming non existance: "
1081                                 + e.getMessage());
1082                 return false;
1083             }
1084         }
1085         boolean retval = c.moveToFirst();
1086         c.close();
1087         return retval;
1088     }
1089
1090     private boolean shareExists(long remoteId) {
1091         return shareExists(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, String.valueOf(remoteId));
1092     }
1093
1094     private void cleanSharedFiles() {
1095         ContentValues cv = new ContentValues();
1096         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
1097         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1098         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?";
1099         String [] whereArgs = new String[]{mAccount.name};
1100
1101         if (getContentResolver() != null) {
1102             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1103
1104         } else {
1105             try {
1106                 getContentProviderClient().update(
1107                         ProviderTableMeta.CONTENT_URI, cv, where, whereArgs
1108                 );
1109
1110             } catch (RemoteException e) {
1111                 Log_OC.e(TAG, "Exception in cleanSharedFiles" + e.getMessage());
1112             }
1113         }
1114     }
1115
1116     private void cleanSharedFilesInFolder(OCFile folder) {
1117         ContentValues cv = new ContentValues();
1118         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
1119         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1120         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1121                 ProviderTableMeta.FILE_PARENT + "=?";
1122         String [] whereArgs = new String[] { mAccount.name , String.valueOf(folder.getFileId()) };
1123
1124         if (getContentResolver() != null) {
1125             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1126
1127         } else {
1128             try {
1129                 getContentProviderClient().update(
1130                         ProviderTableMeta.CONTENT_URI, cv, where, whereArgs
1131                 );
1132
1133             } catch (RemoteException e) {
1134                 Log_OC.e(TAG, "Exception in cleanSharedFilesInFolder " + e.getMessage());
1135             }
1136         }
1137     }
1138
1139     private void cleanShares() {
1140         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1141         String [] whereArgs = new String[]{mAccount.name};
1142
1143         if (getContentResolver() != null) {
1144             getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1145
1146         } else {
1147             try {
1148                 getContentProviderClient().delete(
1149                         ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs
1150                 );
1151
1152             } catch (RemoteException e) {
1153                 Log_OC.e(TAG, "Exception in cleanShares" + e.getMessage());
1154             }
1155         }
1156     }
1157
1158     public void saveShares(Collection<OCShare> shares) {
1159         cleanShares();
1160         if (shares != null) {
1161             ArrayList<ContentProviderOperation> operations =
1162                     new ArrayList<ContentProviderOperation>(shares.size());
1163
1164             // prepare operations to insert or update files to save in the given folder
1165             for (OCShare share : shares) {
1166                 ContentValues cv = new ContentValues();
1167                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1168                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1169                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1170                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1171                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1172                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1173                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1174                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1175                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1176                 cv.put(
1177                     ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1178                     share.getSharedWithDisplayName()
1179                 );
1180                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1181                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1182                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1183                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1184
1185                 if (shareExists(share.getIdRemoteShared())) {
1186                     // updating an existing file
1187                     operations.add(
1188                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1189                             withValues(cv).
1190                             withSelection(
1191                                     ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1192                                     new String[] { String.valueOf(share.getIdRemoteShared()) }
1193                             ).
1194                             build()
1195                     );
1196
1197                 } else {
1198                     // adding a new file
1199                     operations.add(
1200                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1201                             withValues(cv).
1202                             build()
1203                     );
1204                 }
1205             }
1206
1207             // apply operations in batch
1208             if (operations.size() > 0) {
1209                 @SuppressWarnings("unused")
1210                 ContentProviderResult[] results = null;
1211                 Log_OC.d(TAG, "Sending " + operations.size() +
1212                         " operations to FileContentProvider");
1213                 try {
1214                     if (getContentResolver() != null) {
1215                         results = getContentResolver().applyBatch(
1216                                 MainApp.getAuthority(), operations
1217                         );
1218
1219                     } else {
1220                         results = getContentProviderClient().applyBatch(operations);
1221                     }
1222
1223                 } catch (OperationApplicationException e) {
1224                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1225
1226                 } catch (RemoteException e) {
1227                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1228                 }
1229             }
1230         }
1231
1232     }
1233
1234     public void updateSharedFiles(Collection<OCFile> sharedFiles) {
1235         cleanSharedFiles();
1236
1237         if (sharedFiles != null) {
1238             ArrayList<ContentProviderOperation> operations =
1239                     new ArrayList<ContentProviderOperation>(sharedFiles.size());
1240
1241             // prepare operations to insert or update files to save in the given folder
1242             for (OCFile file : sharedFiles) {
1243                 ContentValues cv = new ContentValues();
1244                 cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
1245                 cv.put(
1246                     ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
1247                     file.getModificationTimestampAtLastSyncForData()
1248                 );
1249                 cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
1250                 cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
1251                 cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
1252                 cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
1253                 cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
1254                 cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
1255                 if (!file.isFolder()) {
1256                     cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
1257                 }
1258                 cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
1259                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
1260                 cv.put(
1261                     ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA,
1262                     file.getLastSyncDateForData()
1263                 );
1264                 cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
1265                 cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
1266                 cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
1267                 cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
1268                 cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
1269                 cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
1270                 cv.put(
1271                     ProviderTableMeta.FILE_UPDATE_THUMBNAIL,
1272                     file.needsUpdateThumbnail() ? 1 : 0
1273                 );
1274                 cv.put(
1275                         ProviderTableMeta.FILE_IS_DOWNLOADING,
1276                         file.isDownloading() ? 1 : 0
1277                 );
1278
1279                 boolean existsByPath = fileExists(file.getRemotePath());
1280                 if (existsByPath || fileExists(file.getFileId())) {
1281                     // updating an existing file
1282                     operations.add(
1283                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
1284                             withValues(cv).
1285                             withSelection(
1286                                     ProviderTableMeta._ID + "=?",
1287                                     new String[] { String.valueOf(file.getFileId()) }
1288                             ).build()
1289                     );
1290
1291                 } else {
1292                     // adding a new file
1293                     operations.add(
1294                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
1295                             withValues(cv).
1296                             build()
1297                     );
1298                 }
1299             }
1300
1301             // apply operations in batch
1302             if (operations.size() > 0) {
1303                 @SuppressWarnings("unused")
1304                 ContentProviderResult[] results = null;
1305                 Log_OC.d(TAG, "Sending " + operations.size() +
1306                         " operations to FileContentProvider");
1307                 try {
1308                     if (getContentResolver() != null) {
1309                         results = getContentResolver().applyBatch(
1310                                 MainApp.getAuthority(), operations
1311                         );
1312
1313                     } else {
1314                         results = getContentProviderClient().applyBatch(operations);
1315                     }
1316
1317                 } catch (OperationApplicationException e) {
1318                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1319
1320                 } catch (RemoteException e) {
1321                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1322                 }
1323             }
1324         }
1325
1326     }
1327
1328     public void removeShare(OCShare share){
1329         Uri share_uri = ProviderTableMeta.CONTENT_URI_SHARE;
1330         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?" + " AND " +
1331                 ProviderTableMeta.FILE_PATH + "=?";
1332         String [] whereArgs = new String[]{mAccount.name, share.getPath()};
1333         if (getContentProviderClient() != null) {
1334             try {
1335                 getContentProviderClient().delete(share_uri, where, whereArgs);
1336             } catch (RemoteException e) {
1337                 e.printStackTrace();
1338             }
1339         } else {
1340             getContentResolver().delete(share_uri, where, whereArgs);
1341         }
1342     }
1343
1344     public void saveSharesDB(ArrayList<OCShare> shares) {
1345         saveShares(shares);
1346
1347         ArrayList<OCFile> sharedFiles = new ArrayList<OCFile>();
1348
1349         for (OCShare share : shares) {
1350             // Get the path
1351             String path = share.getPath();
1352             if (share.isFolder()) {
1353                 path = path + FileUtils.PATH_SEPARATOR;
1354             }
1355
1356             // Update OCFile with data from share: ShareByLink  and publicLink
1357             OCFile file = getFileByPath(path);
1358             if (file != null) {
1359                 if (share.getShareType().equals(ShareType.PUBLIC_LINK)) {
1360                     file.setShareByLink(true);
1361                     sharedFiles.add(file);
1362                 }
1363             }
1364         }
1365
1366         updateSharedFiles(sharedFiles);
1367     }
1368
1369
1370     public void saveSharesInFolder(ArrayList<OCShare> shares, OCFile folder) {
1371         cleanSharedFilesInFolder(folder);
1372         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1373         operations = prepareRemoveSharesInFolder(folder, operations);
1374
1375         if (shares != null) {
1376             // prepare operations to insert or update files to save in the given folder
1377             for (OCShare share : shares) {
1378                 ContentValues cv = new ContentValues();
1379                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1380                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1381                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1382                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1383                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1384                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1385                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1386                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1387                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1388                 cv.put(
1389                     ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1390                     share.getSharedWithDisplayName()
1391                 );
1392                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1393                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1394                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1395                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1396
1397                 /*
1398                 if (shareExists(share.getIdRemoteShared())) {
1399                     // updating an existing share resource
1400                     operations.add(
1401                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1402                             withValues(cv).
1403                             withSelection(  ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1404                                     new String[] { String.valueOf(share.getIdRemoteShared()) })
1405                                     .build());
1406
1407                 } else {
1408                 */
1409                 // adding a new share resource
1410                 operations.add(
1411                         ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1412                         withValues(cv).
1413                         build()
1414                 );
1415                 //}
1416             }
1417         }
1418
1419         // apply operations in batch
1420         if (operations.size() > 0) {
1421             @SuppressWarnings("unused")
1422             ContentProviderResult[] results = null;
1423             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1424             try {
1425                 if (getContentResolver() != null) {
1426                     results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1427
1428                 } else {
1429                     results = getContentProviderClient().applyBatch(operations);
1430                 }
1431
1432             } catch (OperationApplicationException e) {
1433                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1434
1435             } catch (RemoteException e) {
1436                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1437             }
1438         }
1439         //}
1440
1441     }
1442
1443     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFolder(
1444             OCFile folder, ArrayList<ContentProviderOperation> preparedOperations
1445             ) {
1446         if (folder != null) {
1447             String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND "
1448                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1449             String [] whereArgs = new String[]{ "", mAccount.name };
1450
1451             Vector<OCFile> files = getFolderContent(folder);
1452
1453             for (OCFile file : files) {
1454                 whereArgs[0] = file.getRemotePath();
1455                 preparedOperations.add(
1456                         ContentProviderOperation.newDelete(ProviderTableMeta.CONTENT_URI_SHARE).
1457                         withSelection(where, whereArgs).
1458                         build()
1459                 );
1460             }
1461         }
1462         return preparedOperations;
1463
1464         /*
1465         if (operations.size() > 0) {
1466             try {
1467                 if (getContentResolver() != null) {
1468                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1469
1470                 } else {
1471                     getContentProviderClient().applyBatch(operations);
1472                 }
1473
1474             } catch (OperationApplicationException e) {
1475                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1476
1477             } catch (RemoteException e) {
1478                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1479             }
1480         }
1481         */
1482
1483             /*
1484             if (getContentResolver() != null) {
1485
1486                 getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE,
1487                                             where,
1488                                             whereArgs);
1489             } else {
1490                 try {
1491                     getContentProviderClient().delete(  ProviderTableMeta.CONTENT_URI_SHARE,
1492                                                         where,
1493                                                         whereArgs);
1494
1495                 } catch (RemoteException e) {
1496                     Log_OC.e(TAG, "Exception deleting shares in a folder " + e.getMessage());
1497                 }
1498             }
1499             */
1500         //}
1501     }
1502
1503     public void triggerMediaScan(String path) {
1504         Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
1505         intent.setData(Uri.fromFile(new File(path)));
1506         MainApp.getAppContext().sendBroadcast(intent);
1507     }
1508
1509     public void deleteFileInMediaScan(String path) {
1510
1511         String mimetypeString = FileStorageUtils.getMimeTypeFromName(path);
1512         ContentResolver contentResolver = getContentResolver();
1513
1514         if (contentResolver != null) {
1515             if (mimetypeString.startsWith("image/")) {
1516                 // Images
1517                 contentResolver.delete(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
1518                         MediaStore.Images.Media.DATA + "=?", new String[]{path});
1519             } else if (mimetypeString.startsWith("audio/")) {
1520                 // Audio
1521                 contentResolver.delete(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
1522                         MediaStore.Audio.Media.DATA + "=?", new String[]{path});
1523             } else if (mimetypeString.startsWith("video/")) {
1524                 // Video
1525                 contentResolver.delete(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
1526                         MediaStore.Video.Media.DATA + "=?", new String[]{path});
1527             }
1528         } else {
1529             ContentProviderClient contentProviderClient = getContentProviderClient();
1530             try {
1531                 if (mimetypeString.startsWith("image/")) {
1532                     // Images
1533                     contentProviderClient.delete(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
1534                             MediaStore.Images.Media.DATA + "=?", new String[]{path});
1535                 } else if (mimetypeString.startsWith("audio/")) {
1536                     // Audio
1537                     contentProviderClient.delete(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
1538                             MediaStore.Audio.Media.DATA + "=?", new String[]{path});
1539                 } else if (mimetypeString.startsWith("video/")) {
1540                     // Video
1541                     contentProviderClient.delete(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
1542                             MediaStore.Video.Media.DATA + "=?", new String[]{path});
1543                 }
1544             } catch (RemoteException e) {
1545                 Log_OC.e(TAG, "Exception deleting media file in MediaStore " + e.getMessage());
1546             }
1547         }
1548
1549     }
1550
1551 }