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

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   Copyright (C) 2012  Bartek Przybylski
   5  *   Copyright (C) 2015 ownCloud Inc.
   6  *
   7  *   This program is free software: you can redistribute it and/or modify
   8  *   it under the terms of the GNU General Public License version 2,
   9  *   as published by the Free Software Foundation.
  10  *
  11  *   This program is distributed in the hope that it will be useful,
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *   GNU General Public License for more details.
  15  *
  16  *   You should have received a copy of the GNU General Public License
  17  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  *
  19  */
  20
  21 package com.owncloud.android.datamodel;
  22
  23 import java.io.File;
  24 import java.util.ArrayList;
  25 import java.util.Collection;
  26 import java.util.Collections;
  27 import java.util.HashSet;
  28 import java.util.Iterator;
  29 import java.util.List;
  30 import java.util.Set;
  31 import java.util.Vector;
  32
  33 import android.accounts.Account;
  34 import android.content.ContentProviderClient;
  35 import android.content.ContentProviderOperation;
  36 import android.content.ContentProviderResult;
  37 import android.content.ContentResolver;
  38 import android.content.ContentUris;
  39 import android.content.ContentValues;
  40 import android.content.Intent;
  41 import android.content.OperationApplicationException;
  42 import android.database.Cursor;
  43 import android.net.Uri;
  44 import android.os.RemoteException;
  45 import android.provider.MediaStore;
  46
  47 import com.owncloud.android.MainApp;
  48 import com.owncloud.android.db.ProviderMeta.ProviderTableMeta;
  49 import com.owncloud.android.lib.common.utils.Log_OC;
  50 import com.owncloud.android.lib.resources.files.FileUtils;
  51 import com.owncloud.android.lib.resources.shares.OCShare;
  52 import com.owncloud.android.lib.resources.shares.ShareType;
  53 import com.owncloud.android.utils.FileStorageUtils;
  54
  55 import java.io.FileInputStream;
  56 import java.io.FileOutputStream;
  57 import java.io.IOException;
  58 import java.io.InputStream;
  59 import java.io.OutputStream;
  60
  61 public class FileDataStorageManager {
  62
  63     public static final int ROOT_PARENT_ID = 0;
  64
  65     private ContentResolver mContentResolver;
  66     private ContentProviderClient mContentProviderClient;
  67     private Account mAccount;
  68
  69     private static String TAG = FileDataStorageManager.class.getSimpleName();
  70
  71
  72     public FileDataStorageManager(Account account, ContentResolver cr) {
  73         mContentProviderClient = null;
  74         mContentResolver = cr;
  75         mAccount = account;
  76     }
  77
  78     public FileDataStorageManager(Account account, ContentProviderClient cp) {
  79         mContentProviderClient = cp;
  80         mContentResolver = null;
  81         mAccount = account;
  82     }
  83
  84
  85     public void setAccount(Account account) {
  86         mAccount = account;
  87     }
  88
  89     public Account getAccount() {
  90         return mAccount;
  91     }
  92
  93     public ContentResolver getContentResolver() {
  94         return mContentResolver;
  95     }
  96
  97     public ContentProviderClient getContentProviderClient() {
  98         return mContentProviderClient;
  99     }
 100
 101
 102     public OCFile getFileByPath(String path) {
 103         Cursor c = getCursorForValue(ProviderTableMeta.FILE_PATH, path);
 104         OCFile file = null;
 105         if (c.moveToFirst()) {
 106             file = createFileInstance(c);
 107         }
 108         c.close();
 109         if (file == null && OCFile.ROOT_PATH.equals(path)) {
 110             return createRootDir(); // root should always exist
 111         }
 112         return file;
 113     }
 114
 115
 116     public OCFile getFileById(long id) {
 117         Cursor c = getCursorForValue(ProviderTableMeta._ID, String.valueOf(id));
 118         OCFile file = null;
 119         if (c.moveToFirst()) {
 120             file = createFileInstance(c);
 121         }
 122         c.close();
 123         return file;
 124     }
 125
 126     public OCFile getFileByLocalPath(String path) {
 127         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 128         OCFile file = null;
 129         if (c.moveToFirst()) {
 130             file = createFileInstance(c);
 131         }
 132         c.close();
 133         return file;
 134     }
 135
 136     public boolean fileExists(long id) {
 137         return fileExists(ProviderTableMeta._ID, String.valueOf(id));
 138     }
 139
 140     public boolean fileExists(String path) {
 141         return fileExists(ProviderTableMeta.FILE_PATH, path);
 142     }
 143
 144
 145     public Vector<OCFile> getFolderContent(OCFile f/*, boolean onlyOnDevice*/) {
 146         if (f != null && f.isFolder() && f.getFileId() != -1) {
 147             // TODO Enable when "On Device" is recovered ?
 148             return getFolderContent(f.getFileId()/*, onlyOnDevice*/);
 149
 150         } else {
 151             return new Vector<OCFile>();
 152         }
 153     }
 154
 155
 156     public Vector<OCFile> getFolderImages(OCFile folder/*, boolean onlyOnDevice*/) {
 157         Vector<OCFile> ret = new Vector<OCFile>();
 158         if (folder != null) {
 159             // TODO better implementation, filtering in the access to database instead of here
 160             // TODO Enable when "On Device" is recovered ?
 161             Vector<OCFile> tmp = getFolderContent(folder/*, onlyOnDevice*/);
 162             OCFile current = null;
 163             for (int i=0; i<tmp.size(); i++) {
 164                 current = tmp.get(i);
 165                 if (current.isImage()) {
 166                     ret.add(current);
 167                 }
 168             }
 169         }
 170         return ret;
 171     }
 172
 173     public boolean saveFile(OCFile file) {
 174         boolean overriden = false;
 175         ContentValues cv = new ContentValues();
 176         cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 177         cv.put(
 178             ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 179             file.getModificationTimestampAtLastSyncForData()
 180         );
 181         cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 182         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 183         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 184         cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 185         cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 186         cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 187         if (!file.isFolder())
 188             cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 189         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 190         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 191         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 192         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.isFavorite() ? 1 : 0);
 193         cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 194         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
 195         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 196         cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 197         cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 198         cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
 199         cv.put(ProviderTableMeta.FILE_IS_DOWNLOADING, file.isDownloading());
 200         cv.put(ProviderTableMeta.FILE_ETAG_IN_CONFLICT, file.getEtagInConflict());
 201
 202         boolean sameRemotePath = fileExists(file.getRemotePath());
 203         if (sameRemotePath ||                fileExists(file.getFileId())) {           // for renamed files; no more delete and create
 204
 205             OCFile oldFile;
 206             if (sameRemotePath) {
 207                 oldFile = getFileByPath(file.getRemotePath());
 208                 file.setFileId(oldFile.getFileId());
 209             } else {
 210                 oldFile = getFileById(file.getFileId());
 211             }
 212
 213             overriden = true;
 214             if (getContentResolver() != null) {
 215                 getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv,
 216                         ProviderTableMeta._ID + "=?",
 217                         new String[]{String.valueOf(file.getFileId())});
 218             } else {
 219                 try {
 220                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI,
 221                             cv, ProviderTableMeta._ID + "=?",
 222                             new String[]{String.valueOf(file.getFileId())});
 223                 } catch (RemoteException e) {
 224                     Log_OC.e(TAG,
 225                             "Fail to insert insert file to database "
 226                                     + e.getMessage());
 227                 }
 228             }
 229         } else {
 230             Uri result_uri = null;
 231             if (getContentResolver() != null) {
 232                 result_uri = getContentResolver().insert(
 233                         ProviderTableMeta.CONTENT_URI_FILE, cv);
 234             } else {
 235                 try {
 236                     result_uri = getContentProviderClient().insert(
 237                             ProviderTableMeta.CONTENT_URI_FILE, cv);
 238                 } catch (RemoteException e) {
 239                     Log_OC.e(TAG,
 240                             "Fail to insert insert file to database "
 241                                     + e.getMessage());
 242                 }
 243             }
 244             if (result_uri != null) {
 245                 long new_id = Long.parseLong(result_uri.getPathSegments()
 246                         .get(1));
 247                 file.setFileId(new_id);
 248             }
 249         }
 250
 251         return overriden;
 252     }
 253
 254
 255     /**
 256      * Inserts or updates the list of files contained in a given folder.
 257      * <p/>
 258      * CALLER IS THE RESPONSIBLE FOR GRANTING RIGHT UPDATE OF INFORMATION, NOT THIS METHOD.
 259      * HERE ONLY DATA CONSISTENCY SHOULD BE GRANTED
 260      *
 261      * @param folder
 262      * @param updatedFiles
 263      * @param filesToRemove
 264      */
 265     public void saveFolder(
 266             OCFile folder, Collection<OCFile> updatedFiles, Collection<OCFile> filesToRemove
 267         ) {
 268
 269         Log_OC.d(TAG,  "Saving folder " + folder.getRemotePath() + " with " + updatedFiles.size()
 270                 + " children and " + filesToRemove.size() + " files to remove");
 271
 272         ArrayList<ContentProviderOperation> operations =
 273                 new ArrayList<ContentProviderOperation>(updatedFiles.size());
 274
 275         // prepare operations to insert or update files to save in the given folder
 276         for (OCFile file : updatedFiles) {
 277             ContentValues cv = new ContentValues();
 278             cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 279             cv.put(
 280                 ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 281                 file.getModificationTimestampAtLastSyncForData()
 282             );
 283             cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 284             cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 285             cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 286             cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 287             //cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 288             cv.put(ProviderTableMeta.FILE_PARENT, folder.getFileId());
 289             cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 290             if (!file.isFolder()) {
 291                 cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 292             }
 293             cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 294             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 295             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 296             cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.isFavorite() ? 1 : 0);
 297             cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 298             cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
 299             cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 300             cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 301             cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 302             cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
 303             cv.put(ProviderTableMeta.FILE_IS_DOWNLOADING, file.isDownloading());
 304             cv.put(ProviderTableMeta.FILE_ETAG_IN_CONFLICT, file.getEtagInConflict());
 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                 if (file.isFolder()) {
 330                     operations.add(ContentProviderOperation.newDelete(
 331                             ContentUris.withAppendedId(
 332                                     ProviderTableMeta.CONTENT_URI_DIR, file.getFileId()
 333                             )
 334                     ).withSelection(where, whereArgs).build());
 335
 336                     File localFolder =
 337                             new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 338                     if (localFolder.exists()) {
 339                         removeLocalFolder(localFolder);
 340                     }
 341                 } else {
 342                     operations.add(ContentProviderOperation.newDelete(
 343                             ContentUris.withAppendedId(
 344                                     ProviderTableMeta.CONTENT_URI_FILE, file.getFileId()
 345                             )
 346                     ).withSelection(where, whereArgs).build());
 347
 348                     if (file.isDown()) {
 349                         String path = file.getStoragePath();
 350                         new File(path).delete();
 351                         triggerMediaScan(path); // notify MediaScanner about removed file
 352                     }
 353                 }
 354             }
 355         }
 356
 357         // update metadata of folder
 358         ContentValues cv = new ContentValues();
 359         cv.put(ProviderTableMeta.FILE_MODIFIED, folder.getModificationTimestamp());
 360         cv.put(
 361             ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 362             folder.getModificationTimestampAtLastSyncForData()
 363         );
 364         cv.put(ProviderTableMeta.FILE_CREATION, folder.getCreationTimestamp());
 365         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, 0);
 366         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, folder.getMimetype());
 367         cv.put(ProviderTableMeta.FILE_NAME, folder.getFileName());
 368         cv.put(ProviderTableMeta.FILE_PARENT, folder.getParentId());
 369         cv.put(ProviderTableMeta.FILE_PATH, folder.getRemotePath());
 370         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 371         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, folder.getLastSyncDateForProperties());
 372         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, folder.getLastSyncDateForData());
 373         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, folder.isFavorite() ? 1 : 0);
 374         cv.put(ProviderTableMeta.FILE_ETAG, folder.getEtag());
 375         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, folder.isShareByLink() ? 1 : 0);
 376         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, folder.getPublicLink());
 377         cv.put(ProviderTableMeta.FILE_PERMISSIONS, folder.getPermissions());
 378         cv.put(ProviderTableMeta.FILE_REMOTE_ID, folder.getRemoteId());
 379
 380         operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 381                 withValues(cv).
 382                 withSelection(ProviderTableMeta._ID + "=?",
 383                         new String[]{String.valueOf(folder.getFileId())})
 384                 .build());
 385
 386         // apply operations in batch
 387         ContentProviderResult[] results = null;
 388         Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
 389         try {
 390             if (getContentResolver() != null) {
 391                 results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 392
 393             } else {
 394                 results = getContentProviderClient().applyBatch(operations);
 395             }
 396
 397         } catch (OperationApplicationException e) {
 398             Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
 399
 400         } catch (RemoteException e) {
 401             Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
 402         }
 403
 404         // update new id in file objects for insertions
 405         if (results != null) {
 406             long newId;
 407             Iterator<OCFile> filesIt = updatedFiles.iterator();
 408             OCFile file = null;
 409             for (int i = 0; i < results.length; i++) {
 410                 if (filesIt.hasNext()) {
 411                     file = filesIt.next();
 412                 } else {
 413                     file = null;
 414                 }
 415                 if (results[i].uri != null) {
 416                     newId = Long.parseLong(results[i].uri.getPathSegments().get(1));
 417                     //updatedFiles.get(i).setFileId(newId);
 418                     if (file != null) {
 419                         file.setFileId(newId);
 420                     }
 421                 }
 422             }
 423         }
 424
 425     }
 426
 427
 428     public boolean removeFile(OCFile file, boolean removeDBData, boolean removeLocalCopy) {
 429         boolean success = true;
 430         if (file != null) {
 431             if (file.isFolder()) {
 432                 success = removeFolder(file, removeDBData, removeLocalCopy);
 433
 434             } else {
 435                 if (removeDBData) {
 436                     //Uri file_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE, ""+file.getFileId());
 437                     Uri file_uri = ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_FILE, file.getFileId());
 438                     String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " + ProviderTableMeta.FILE_PATH + "=?";
 439                     String[] whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 440                     int deleted = 0;
 441                     if (getContentProviderClient() != null) {
 442                         try {
 443                             deleted = getContentProviderClient().delete(file_uri, where, whereArgs);
 444                         } catch (RemoteException e) {
 445                             e.printStackTrace();
 446                         }
 447                     } else {
 448                         deleted = getContentResolver().delete(file_uri, where, whereArgs);
 449                     }
 450                     success &= (deleted > 0);
 451                 }
 452                 String localPath = file.getStoragePath();
 453                 if (removeLocalCopy && file.isDown() && localPath != null && success) {
 454                     success = new File(localPath).delete();
 455                     if (success) {
 456                         deleteFileInMediaScan(localPath);
 457                     }
 458                     if (!removeDBData && success) {
 459                         // maybe unnecessary, but should be checked TODO remove if unnecessary
 460                         file.setStoragePath(null);
 461                         saveFile(file);
 462                         saveConflict(file, null);
 463                     }
 464                 }
 465             }
 466         }
 467         return success;
 468     }
 469
 470
 471     public boolean removeFolder(OCFile folder, boolean removeDBData, boolean removeLocalContent) {
 472         boolean success = true;
 473         if (folder != null && folder.isFolder()) {
 474             if (removeDBData && folder.getFileId() != -1) {
 475                 success = removeFolderInDb(folder);
 476             }
 477             if (removeLocalContent && success) {
 478                 success = removeLocalFolder(folder);
 479             }
 480         }
 481         return success;
 482     }
 483
 484     private boolean removeFolderInDb(OCFile folder) {
 485         Uri folder_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, "" +
 486                 folder.getFileId());   // URI for recursive deletion
 487         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 488                 ProviderTableMeta.FILE_PATH + "=?";
 489         String [] whereArgs = new String[]{mAccount.name, folder.getRemotePath()};
 490         int deleted = 0;
 491         if (getContentProviderClient() != null) {
 492             try {
 493                 deleted = getContentProviderClient().delete(folder_uri, where, whereArgs);
 494             } catch (RemoteException e) {
 495                 e.printStackTrace();
 496             }
 497         } else {
 498             deleted = getContentResolver().delete(folder_uri, where, whereArgs);
 499         }
 500         return deleted > 0;
 501     }
 502
 503     private boolean removeLocalFolder(OCFile folder) {
 504         boolean success = true;
 505         String localFolderPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, folder);
 506         File localFolder = new File(localFolderPath);
 507         if (localFolder.exists()) {
 508             // stage 1: remove the local files already registered in the files database
 509             // TODO Enable when "On Device" is recovered ?
 510             Vector<OCFile> files = getFolderContent(folder.getFileId()/*, false*/);
 511             if (files != null) {
 512                 for (OCFile file : files) {
 513                     if (file.isFolder()) {
 514                         success &= removeLocalFolder(file);
 515                     } else {
 516                         if (file.isDown()) {
 517                             File localFile = new File(file.getStoragePath());
 518                             success &= localFile.delete();
 519                             if (success) {
 520                                 // notify MediaScanner about removed file
 521                                 deleteFileInMediaScan(file.getStoragePath());
 522                                 file.setStoragePath(null);
 523                                 saveFile(file);
 524                             }
 525                         }
 526                     }
 527                 }
 528             }
 529
 530             // stage 2: remove the folder itself and any local file inside out of sync;
 531             //          for instance, after clearing the app cache or reinstalling
 532             success &= removeLocalFolder(localFolder);
 533         }
 534         return success;
 535     }
 536
 537     private boolean removeLocalFolder(File localFolder) {
 538         boolean success = true;
 539         File[] localFiles = localFolder.listFiles();
 540         if (localFiles != null) {
 541             for (File localFile : localFiles) {
 542                 if (localFile.isDirectory()) {
 543                     success &= removeLocalFolder(localFile);
 544                 } else {
 545                     String path = localFile.getAbsolutePath();
 546                     success &= localFile.delete();
 547                 }
 548             }
 549         }
 550         success &= localFolder.delete();
 551         return success;
 552     }
 553
 554
 555     /**
 556      * Updates database and file system for a file or folder that was moved to a different location.
 557      *
 558      * TODO explore better (faster) implementations
 559      * TODO throw exceptions up !
 560      */
 561     public void moveLocalFile(OCFile file, String targetPath, String targetParentPath) {
 562
 563         if (file != null && file.fileExists() && !OCFile.ROOT_PATH.equals(file.getFileName())) {
 564
 565             OCFile targetParent = getFileByPath(targetParentPath);
 566             if (targetParent == null) {
 567                 throw new IllegalStateException("Parent folder of the target path does not exist!!");
 568             }
 569
 570             /// 1. get all the descendants of the moved element in a single QUERY
 571             Cursor c = null;
 572             if (getContentProviderClient() != null) {
 573                 try {
 574                     c = getContentProviderClient().query(
 575                             ProviderTableMeta.CONTENT_URI,
 576                             null,
 577                             ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 578                                     ProviderTableMeta.FILE_PATH + " LIKE ? ",
 579                             new String[]{
 580                                     mAccount.name,
 581                                     file.getRemotePath() + "%"
 582                             },
 583                             ProviderTableMeta.FILE_PATH + " ASC "
 584                     );
 585                 } catch (RemoteException e) {
 586                     Log_OC.e(TAG, e.getMessage());
 587                 }
 588
 589             } else {
 590                 c = getContentResolver().query(
 591                         ProviderTableMeta.CONTENT_URI,
 592                         null,
 593                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 594                                 ProviderTableMeta.FILE_PATH + " LIKE ? ",
 595                         new String[]{
 596                                 mAccount.name,
 597                                 file.getRemotePath() + "%"
 598                         },
 599                         ProviderTableMeta.FILE_PATH + " ASC "
 600                 );
 601             }
 602
 603             /// 2. prepare a batch of update operations to change all the descendants
 604             ArrayList<ContentProviderOperation> operations =
 605                     new ArrayList<ContentProviderOperation>(c.getCount());
 606             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 607             List<String> originalPathsToTriggerMediaScan = new ArrayList<String>();
 608             List<String> newPathsToTriggerMediaScan = new ArrayList<String>();
 609             if (c.moveToFirst()) {
 610                 int lengthOfOldPath = file.getRemotePath().length();
 611                 int lengthOfOldStoragePath = defaultSavePath.length() + lengthOfOldPath;
 612                 do {
 613                     ContentValues cv = new ContentValues(); // keep construction in the loop
 614                     OCFile child = createFileInstance(c);
 615                     cv.put(
 616                             ProviderTableMeta.FILE_PATH,
 617                             targetPath + child.getRemotePath().substring(lengthOfOldPath)
 618                     );
 619                     if (child.getStoragePath() != null &&
 620                             child.getStoragePath().startsWith(defaultSavePath)) {
 621                         // update link to downloaded content - but local move is not done here!
 622                         String targetLocalPath = defaultSavePath + targetPath +
 623                                 child.getStoragePath().substring(lengthOfOldStoragePath);
 624
 625                         cv.put(ProviderTableMeta.FILE_STORAGE_PATH, targetLocalPath);
 626
 627                         originalPathsToTriggerMediaScan.add(child.getStoragePath());
 628                         newPathsToTriggerMediaScan.add(targetLocalPath);
 629
 630                     }
 631                     if (child.getRemotePath().equals(file.getRemotePath())) {
 632                         cv.put(
 633                                 ProviderTableMeta.FILE_PARENT,
 634                                 targetParent.getFileId()
 635                         );
 636                     }
 637                     operations.add(
 638                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 639                                     withValues(cv).
 640                                     withSelection(
 641                                             ProviderTableMeta._ID + "=?",
 642                                             new String[]{String.valueOf(child.getFileId())}
 643                                     )
 644                                     .build());
 645
 646                 } while (c.moveToNext());
 647             }
 648             c.close();
 649
 650             /// 3. apply updates in batch
 651             try {
 652                 if (getContentResolver() != null) {
 653                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 654
 655                 } else {
 656                     getContentProviderClient().applyBatch(operations);
 657                 }
 658
 659             } catch (Exception e) {
 660                 Log_OC.e(TAG, "Fail to update " + file.getFileId() + " and descendants in database", e);
 661             }
 662
 663             /// 4. move in local file system
 664             String originalLocalPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, file);
 665             String targetLocalPath = defaultSavePath + targetPath;
 666             File localFile = new File(originalLocalPath);
 667             boolean renamed = false;
 668             if (localFile.exists()) {
 669                 File targetFile = new File(targetLocalPath);
 670                 File targetFolder = targetFile.getParentFile();
 671                 if (!targetFolder.exists()) {
 672                     targetFolder.mkdirs();
 673                 }
 674                 renamed = localFile.renameTo(targetFile);
 675             }
 676
 677             if (renamed) {
 678                 Iterator<String> it = originalPathsToTriggerMediaScan.iterator();
 679                 while (it.hasNext()) {
 680                     // Notify MediaScanner about removed file
 681                     deleteFileInMediaScan(it.next());
 682                 }
 683                 it = newPathsToTriggerMediaScan.iterator();
 684                 while (it.hasNext()) {
 685                     // Notify MediaScanner about new file/folder
 686                     triggerMediaScan(it.next());
 687                 }
 688             }
 689         }
 690
 691     }
 692
 693     public void copyLocalFile(OCFile file, String targetPath) {
 694
 695         if (file != null && file.fileExists() && !OCFile.ROOT_PATH.equals(file.getFileName())) {
 696             String localPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, file);
 697             File localFile = new File(localPath);
 698             boolean copied = false;
 699             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 700             if (localFile.exists()) {
 701                 File targetFile = new File(defaultSavePath + targetPath);
 702                 File targetFolder = targetFile.getParentFile();
 703                 if (!targetFolder.exists()) {
 704                     targetFolder.mkdirs();
 705                 }
 706                 copied = copyFile(localFile, targetFile);
 707             }
 708             Log_OC.d(TAG, "Local file COPIED : " + copied);
 709         }
 710     }
 711
 712     private boolean copyFile(File src, File target) {
 713         boolean ret = true;
 714
 715         InputStream in = null;
 716         OutputStream out = null;
 717
 718         try {
 719             in = new FileInputStream(src);
 720             out = new FileOutputStream(target);
 721             byte[] buf = new byte[1024];
 722             int len;
 723             while ((len = in.read(buf)) > 0) {
 724                 out.write(buf, 0, len);
 725             }
 726         } catch (IOException ex) {
 727             ret = false;
 728         } finally {
 729             if (in != null) try {
 730                 in.close();
 731             } catch (IOException e) {
 732                 e.printStackTrace(System.err);
 733             }
 734             if (out != null) try {
 735                 out.close();
 736             } catch (IOException e) {
 737                 e.printStackTrace(System.err);
 738             }
 739         }
 740
 741         return ret;
 742     }
 743
 744
 745     private Vector<OCFile> getFolderContent(long parentId/*, boolean onlyOnDevice*/) {
 746
 747         Vector<OCFile> ret = new Vector<OCFile>();
 748
 749         Uri req_uri = Uri.withAppendedPath(
 750                 ProviderTableMeta.CONTENT_URI_DIR,
 751                 String.valueOf(parentId));
 752         Cursor c = null;
 753
 754         if (getContentProviderClient() != null) {
 755             try {
 756                 c = getContentProviderClient().query(req_uri, null,
 757                         ProviderTableMeta.FILE_PARENT + "=?",
 758                         new String[]{String.valueOf(parentId)}, null);
 759             } catch (RemoteException e) {
 760                 Log_OC.e(TAG, e.getMessage());
 761                 return ret;
 762             }
 763         } else {
 764             c = getContentResolver().query(req_uri, null,
 765                     ProviderTableMeta.FILE_PARENT + "=?",
 766                     new String[]{String.valueOf(parentId)}, null);
 767         }
 768
 769         if (c.moveToFirst()) {
 770             do {
 771                 OCFile child = createFileInstance(c);
 772                 // TODO Enable when "On Device" is recovered ?
 773                 // if (child.isFolder() || !onlyOnDevice || onlyOnDevice && child.isDown()){
 774                     ret.add(child);
 775                 // }
 776             } while (c.moveToNext());
 777         }
 778
 779         c.close();
 780
 781         Collections.sort(ret);
 782
 783         return ret;
 784     }
 785
 786
 787     private OCFile createRootDir() {
 788         OCFile file = new OCFile(OCFile.ROOT_PATH);
 789         file.setMimetype("DIR");
 790         file.setParentId(FileDataStorageManager.ROOT_PARENT_ID);
 791         saveFile(file);
 792         return file;
 793     }
 794
 795     private boolean fileExists(String cmp_key, String value) {
 796         Cursor c;
 797         if (getContentResolver() != null) {
 798             c = getContentResolver()
 799                     .query(ProviderTableMeta.CONTENT_URI,
 800                             null,
 801                             cmp_key + "=? AND "
 802                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 803                                     + "=?",
 804                             new String[]{value, mAccount.name}, null);
 805         } else {
 806             try {
 807                 c = getContentProviderClient().query(
 808                         ProviderTableMeta.CONTENT_URI,
 809                         null,
 810                         cmp_key + "=? AND "
 811                                 + ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
 812                         new String[]{value, mAccount.name}, null);
 813             } catch (RemoteException e) {
 814                 Log_OC.e(TAG,
 815                         "Couldn't determine file existance, assuming non existance: "
 816                                 + e.getMessage());
 817                 return false;
 818             }
 819         }
 820         boolean retval = c.moveToFirst();
 821         c.close();
 822         return retval;
 823     }
 824
 825     private Cursor getCursorForValue(String key, String value) {
 826         Cursor c = null;
 827         if (getContentResolver() != null) {
 828             c = getContentResolver()
 829                     .query(ProviderTableMeta.CONTENT_URI,
 830                             null,
 831                             key + "=? AND "
 832                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 833                                     + "=?",
 834                             new String[]{value, mAccount.name}, null);
 835         } else {
 836             try {
 837                 c = getContentProviderClient().query(
 838                         ProviderTableMeta.CONTENT_URI,
 839                         null,
 840                         key + "=? AND " + ProviderTableMeta.FILE_ACCOUNT_OWNER
 841                                 + "=?", new String[]{value, mAccount.name},
 842                         null);
 843             } catch (RemoteException e) {
 844                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 845                 c = null;
 846             }
 847         }
 848         return c;
 849     }
 850
 851
 852     private OCFile createFileInstance(Cursor c) {
 853         OCFile file = null;
 854         if (c != null) {
 855             file = new OCFile(c.getString(c
 856                     .getColumnIndex(ProviderTableMeta.FILE_PATH)));
 857             file.setFileId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
 858             file.setParentId(c.getLong(c
 859                     .getColumnIndex(ProviderTableMeta.FILE_PARENT)));
 860             file.setMimetype(c.getString(c
 861                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE)));
 862             if (!file.isFolder()) {
 863                 file.setStoragePath(c.getString(c
 864                         .getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH)));
 865                 if (file.getStoragePath() == null) {
 866                     // try to find existing file and bind it with current account;
 867                     // with the current update of SynchronizeFolderOperation, this won't be
 868                     // necessary anymore after a full synchronization of the account
 869                     File f = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 870                     if (f.exists()) {
 871                         file.setStoragePath(f.getAbsolutePath());
 872                         file.setLastSyncDateForData(f.lastModified());
 873                     }
 874                 }
 875             }
 876             file.setFileLength(c.getLong(c
 877                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH)));
 878             file.setCreationTimestamp(c.getLong(c
 879                     .getColumnIndex(ProviderTableMeta.FILE_CREATION)));
 880             file.setModificationTimestamp(c.getLong(c
 881                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED)));
 882             file.setModificationTimestampAtLastSyncForData(c.getLong(c
 883                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA)));
 884             file.setLastSyncDateForProperties(c.getLong(c
 885                     .getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE)));
 886             file.setLastSyncDateForData(c.getLong(c.
 887                     getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA)));
 888             file.setFavorite(c.getInt(
 889                     c.getColumnIndex(ProviderTableMeta.FILE_KEEP_IN_SYNC)) == 1 ? true : false);
 890             file.setEtag(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG)));
 891             file.setShareByLink(c.getInt(
 892                     c.getColumnIndex(ProviderTableMeta.FILE_SHARE_BY_LINK)) == 1 ? true : false);
 893             file.setPublicLink(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PUBLIC_LINK)));
 894             file.setPermissions(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PERMISSIONS)));
 895             file.setRemoteId(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_REMOTE_ID)));
 896             file.setNeedsUpdateThumbnail(c.getInt(
 897                     c.getColumnIndex(ProviderTableMeta.FILE_UPDATE_THUMBNAIL)) == 1 ? true : false);
 898             file.setDownloading(c.getInt(
 899                     c.getColumnIndex(ProviderTableMeta.FILE_IS_DOWNLOADING)) == 1 ? true : false);
 900             file.setEtagInConflict(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG_IN_CONFLICT)));
 901
 902         }
 903         return file;
 904     }
 905
 906     // Methods for Shares
 907     public boolean saveShare(OCShare share) {
 908         boolean overriden = false;
 909         ContentValues cv = new ContentValues();
 910         cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
 911         cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
 912         cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
 913         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
 914         cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
 915         cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
 916         cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
 917         cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
 918         cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
 919         cv.put(
 920             ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
 921             share.getSharedWithDisplayName()
 922         );
 923         cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
 924         cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
 925         cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
 926         cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
 927
 928         if (shareExists(share.getIdRemoteShared())) {           // for renamed files; no more delete and create
 929             overriden = true;
 930             if (getContentResolver() != null) {
 931                 getContentResolver().update(ProviderTableMeta.CONTENT_URI_SHARE, cv,
 932                         ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 933                         new String[]{String.valueOf(share.getIdRemoteShared())});
 934             } else {
 935                 try {
 936                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_SHARE,
 937                             cv, ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 938                             new String[]{String.valueOf(share.getIdRemoteShared())});
 939                 } catch (RemoteException e) {
 940                     Log_OC.e(TAG,
 941                             "Fail to insert insert file to database "
 942                                     + e.getMessage());
 943                 }
 944             }
 945         } else {
 946             Uri result_uri = null;
 947             if (getContentResolver() != null) {
 948                 result_uri = getContentResolver().insert(
 949                         ProviderTableMeta.CONTENT_URI_SHARE, cv);
 950             } else {
 951                 try {
 952                     result_uri = getContentProviderClient().insert(
 953                             ProviderTableMeta.CONTENT_URI_SHARE, cv);
 954                 } catch (RemoteException e) {
 955                     Log_OC.e(TAG,
 956                             "Fail to insert insert file to database "
 957                                     + e.getMessage());
 958                 }
 959             }
 960             if (result_uri != null) {
 961                 long new_id = Long.parseLong(result_uri.getPathSegments()
 962                         .get(1));
 963                 share.setId(new_id);
 964             }
 965         }
 966
 967         return overriden;
 968     }
 969
 970
 971     public OCShare getFirstShareByPathAndType(String path, ShareType type) {
 972         Cursor c = null;
 973         if (getContentResolver() != null) {
 974             c = getContentResolver().query(
 975                     ProviderTableMeta.CONTENT_URI_SHARE,
 976                     null,
 977                     ProviderTableMeta.OCSHARES_PATH + "=? AND "
 978                             + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
 979                             + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
 980                     new String[]{path, Integer.toString(type.getValue()), mAccount.name},
 981                     null);
 982         } else {
 983             try {
 984                 c = getContentProviderClient().query(
 985                         ProviderTableMeta.CONTENT_URI_SHARE,
 986                         null,
 987                         ProviderTableMeta.OCSHARES_PATH + "=? AND "
 988                                 + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
 989                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
 990                         new String[]{path, Integer.toString(type.getValue()), mAccount.name},
 991                         null);
 992
 993             } catch (RemoteException e) {
 994                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 995                 c = null;
 996             }
 997         }
 998         OCShare share = null;
 999         if (c.moveToFirst()) {
1000             share = createShareInstance(c);
1001         }
1002         c.close();
1003         return share;
1004     }
1005
1006     private OCShare createShareInstance(Cursor c) {
1007         OCShare share = null;
1008         if (c != null) {
1009             share = new OCShare(c.getString(c
1010                     .getColumnIndex(ProviderTableMeta.OCSHARES_PATH)));
1011             share.setId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
1012             share.setFileSource(c.getLong(c
1013                     .getColumnIndex(ProviderTableMeta.OCSHARES_ITEM_SOURCE)));
1014             share.setShareType(ShareType.fromValue(c.getInt(c
1015                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_TYPE))));
1016             share.setPermissions(c.getInt(c
1017                     .getColumnIndex(ProviderTableMeta.OCSHARES_PERMISSIONS)));
1018             share.setSharedDate(c.getLong(c
1019                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARED_DATE)));
1020             share.setExpirationDate(c.getLong(c
1021                     .getColumnIndex(ProviderTableMeta.OCSHARES_EXPIRATION_DATE)));
1022             share.setToken(c.getString(c
1023                     .getColumnIndex(ProviderTableMeta.OCSHARES_TOKEN)));
1024             share.setSharedWithDisplayName(c.getString(c
1025                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME)));
1026             share.setIsFolder(c.getInt(
1027                     c.getColumnIndex(ProviderTableMeta.OCSHARES_IS_DIRECTORY)) == 1);
1028             share.setUserId(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_USER_ID)));
1029             share.setIdRemoteShared(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED)));
1030         }
1031         return share;
1032     }
1033
1034     private boolean shareExists(String cmp_key, String value) {
1035         Cursor c;
1036         if (getContentResolver() != null) {
1037             c = getContentResolver()
1038                     .query(ProviderTableMeta.CONTENT_URI_SHARE,
1039                             null,
1040                             cmp_key + "=? AND "
1041                                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
1042                                     + "=?",
1043                             new String[]{value, mAccount.name}, null);
1044         } else {
1045             try {
1046                 c = getContentProviderClient().query(
1047                         ProviderTableMeta.CONTENT_URI_SHARE,
1048                         null,
1049                         cmp_key + "=? AND "
1050                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1051                         new String[]{value, mAccount.name}, null);
1052             } catch (RemoteException e) {
1053                 Log_OC.e(TAG,
1054                         "Couldn't determine file existance, assuming non existance: "
1055                                 + e.getMessage());
1056                 return false;
1057             }
1058         }
1059         boolean retval = c.moveToFirst();
1060         c.close();
1061         return retval;
1062     }
1063
1064     private boolean shareExists(long remoteId) {
1065         return shareExists(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, String.valueOf(remoteId));
1066     }
1067
1068     private void cleanSharedFiles() {
1069         ContentValues cv = new ContentValues();
1070         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
1071         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1072         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?";
1073         String[] whereArgs = new String[]{mAccount.name};
1074
1075         if (getContentResolver() != null) {
1076             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1077
1078         } else {
1079             try {
1080                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1081             } catch (RemoteException e) {
1082                 Log_OC.e(TAG, "Exception in cleanSharedFiles" + e.getMessage());
1083             }
1084         }
1085     }
1086
1087     private void cleanSharedFilesInFolder(OCFile folder) {
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 + "=? AND " +
1092                 ProviderTableMeta.FILE_PARENT + "=?";
1093         String [] whereArgs = new String[] { mAccount.name , String.valueOf(folder.getFileId()) };
1094
1095         if (getContentResolver() != null) {
1096             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1097
1098         } else {
1099             try {
1100                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1101             } catch (RemoteException e) {
1102                 Log_OC.e(TAG, "Exception in cleanSharedFilesInFolder " + e.getMessage());
1103             }
1104         }
1105     }
1106
1107     private void cleanShares() {
1108         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1109         String[] whereArgs = new String[]{mAccount.name};
1110
1111         if (getContentResolver() != null) {
1112             getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1113
1114         } else {
1115             try {
1116                 getContentProviderClient().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1117             } catch (RemoteException e) {
1118                 Log_OC.e(TAG, "Exception in cleanShares" + e.getMessage());
1119             }
1120         }
1121     }
1122
1123     public void saveShares(Collection<OCShare> shares) {
1124         cleanShares();
1125         if (shares != null) {
1126             ArrayList<ContentProviderOperation> operations =
1127                     new ArrayList<ContentProviderOperation>(shares.size());
1128
1129             // prepare operations to insert or update files to save in the given folder
1130             for (OCShare share : shares) {
1131                 ContentValues cv = new ContentValues();
1132                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1133                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1134                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1135                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1136                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1137                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1138                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1139                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1140                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1141                 cv.put(
1142                     ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1143                     share.getSharedWithDisplayName()
1144                 );
1145                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1146                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1147                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1148                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1149
1150                 if (shareExists(share.getIdRemoteShared())) {
1151                     // updating an existing file
1152                     operations.add(
1153                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1154                             withValues(cv).
1155                             withSelection(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1156                                     new String[]{String.valueOf(share.getIdRemoteShared())})
1157                             .build());
1158                 } else {
1159                     // adding a new file
1160                     operations.add(
1161                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1162                             withValues(cv).
1163                             build()
1164                     );
1165                 }
1166             }
1167
1168             // apply operations in batch
1169             if (operations.size() > 0) {
1170                 @SuppressWarnings("unused")
1171                 ContentProviderResult[] results = null;
1172                 Log_OC.d(TAG, "Sending " + operations.size() +
1173                         " operations to FileContentProvider");
1174                 try {
1175                     if (getContentResolver() != null) {
1176                         results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1177                     } else {
1178                         results = getContentProviderClient().applyBatch(operations);
1179                     }
1180
1181                 } catch (OperationApplicationException e) {
1182                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1183
1184                 } catch (RemoteException e) {
1185                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1186                 }
1187             }
1188         }
1189
1190     }
1191
1192     public void updateSharedFiles(Collection<OCFile> sharedFiles) {
1193         cleanSharedFiles();
1194
1195         if (sharedFiles != null) {
1196             ArrayList<ContentProviderOperation> operations =
1197                     new ArrayList<ContentProviderOperation>(sharedFiles.size());
1198
1199             // prepare operations to insert or update files to save in the given folder
1200             for (OCFile file : sharedFiles) {
1201                 ContentValues cv = new ContentValues();
1202                 cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
1203                 cv.put(
1204                     ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
1205                     file.getModificationTimestampAtLastSyncForData()
1206                 );
1207                 cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
1208                 cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
1209                 cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
1210                 cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
1211                 cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
1212                 cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
1213                 if (!file.isFolder()) {
1214                     cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
1215                 }
1216                 cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
1217                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
1218                 cv.put(
1219                     ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA,
1220                     file.getLastSyncDateForData()
1221                 );
1222                 cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.isFavorite() ? 1 : 0);
1223                 cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
1224                 cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
1225                 cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
1226                 cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
1227                 cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
1228                 cv.put(
1229                     ProviderTableMeta.FILE_UPDATE_THUMBNAIL,
1230                     file.needsUpdateThumbnail() ? 1 : 0
1231                 );
1232                 cv.put(
1233                         ProviderTableMeta.FILE_IS_DOWNLOADING,
1234                         file.isDownloading() ? 1 : 0
1235                 );
1236                 cv.put(ProviderTableMeta.FILE_ETAG_IN_CONFLICT, file.getEtagInConflict());
1237
1238                 boolean existsByPath = fileExists(file.getRemotePath());
1239                 if (existsByPath || fileExists(file.getFileId())) {
1240                     // updating an existing file
1241                     operations.add(
1242                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
1243                             withValues(cv).
1244                             withSelection(ProviderTableMeta._ID + "=?",
1245                                     new String[]{String.valueOf(file.getFileId())})
1246                             .build());
1247
1248                 } else {
1249                     // adding a new file
1250                     operations.add(
1251                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
1252                             withValues(cv).
1253                             build()
1254                     );
1255                 }
1256             }
1257
1258             // apply operations in batch
1259             if (operations.size() > 0) {
1260                 @SuppressWarnings("unused")
1261                 ContentProviderResult[] results = null;
1262                 Log_OC.d(TAG, "Sending " + operations.size() +
1263                         " operations to FileContentProvider");
1264                 try {
1265                     if (getContentResolver() != null) {
1266                         results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1267                     } else {
1268                         results = getContentProviderClient().applyBatch(operations);
1269                     }
1270
1271                 } catch (OperationApplicationException e) {
1272                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1273
1274                 } catch (RemoteException e) {
1275                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1276                 }
1277             }
1278         }
1279
1280     }
1281
1282     public void removeShare(OCShare share) {
1283         Uri share_uri = ProviderTableMeta.CONTENT_URI_SHARE;
1284         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?" + " AND " +
1285                 ProviderTableMeta.FILE_PATH + "=?";
1286         String [] whereArgs = new String[]{mAccount.name, share.getPath()};
1287         if (getContentProviderClient() != null) {
1288             try {
1289                 getContentProviderClient().delete(share_uri, where, whereArgs);
1290             } catch (RemoteException e) {
1291                 e.printStackTrace();
1292             }
1293         } else {
1294             getContentResolver().delete(share_uri, where, whereArgs);
1295         }
1296     }
1297
1298     public void saveSharesDB(ArrayList<OCShare> shares) {
1299         saveShares(shares);
1300
1301         ArrayList<OCFile> sharedFiles = new ArrayList<OCFile>();
1302
1303         for (OCShare share : shares) {
1304             // Get the path
1305             String path = share.getPath();
1306             if (share.isFolder()) {
1307                 path = path + FileUtils.PATH_SEPARATOR;
1308             }
1309
1310             // Update OCFile with data from share: ShareByLink  and publicLink
1311             OCFile file = getFileByPath(path);
1312             if (file != null) {
1313                 if (share.getShareType().equals(ShareType.PUBLIC_LINK)) {
1314                     file.setShareByLink(true);
1315                     sharedFiles.add(file);
1316                 }
1317             }
1318         }
1319
1320         updateSharedFiles(sharedFiles);
1321     }
1322
1323
1324     public void saveSharesInFolder(ArrayList<OCShare> shares, OCFile folder) {
1325         cleanSharedFilesInFolder(folder);
1326         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1327         operations = prepareRemoveSharesInFolder(folder, operations);
1328
1329         if (shares != null) {
1330             // prepare operations to insert or update files to save in the given folder
1331             for (OCShare share : shares) {
1332                 ContentValues cv = new ContentValues();
1333                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1334                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1335                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1336                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1337                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1338                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1339                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1340                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1341                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1342                 cv.put(
1343                     ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1344                     share.getSharedWithDisplayName()
1345                 );
1346                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1347                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1348                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1349                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1350
1351                 /*
1352                 if (shareExists(share.getIdRemoteShared())) {
1353                     // updating an existing share resource
1354                     operations.add(
1355                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1356                             withValues(cv).
1357                             withSelection(  ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1358                                     new String[] { String.valueOf(share.getIdRemoteShared()) })
1359                                     .build());
1360
1361                 } else {
1362                 */
1363                 // adding a new share resource
1364                 operations.add(
1365                         ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1366                         withValues(cv).
1367                         build()
1368                 );
1369                 //}
1370             }
1371         }
1372
1373         // apply operations in batch
1374         if (operations.size() > 0) {
1375             @SuppressWarnings("unused")
1376             ContentProviderResult[] results = null;
1377             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1378             try {
1379                 if (getContentResolver() != null) {
1380                     results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1381
1382                 } else {
1383                     results = getContentProviderClient().applyBatch(operations);
1384                 }
1385
1386             } catch (OperationApplicationException e) {
1387                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1388
1389             } catch (RemoteException e) {
1390                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1391             }
1392         }
1393         //}
1394
1395     }
1396
1397     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFolder(
1398             OCFile folder, ArrayList<ContentProviderOperation> preparedOperations) {
1399         if (folder != null) {
1400             String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND "
1401                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1402             String [] whereArgs = new String[]{ "", mAccount.name };
1403
1404             // TODO Enable when "On Device" is recovered ?
1405             Vector<OCFile> files = getFolderContent(folder /*, false*/);
1406
1407             for (OCFile file : files) {
1408                 whereArgs[0] = file.getRemotePath();
1409                 preparedOperations.add(
1410                         ContentProviderOperation.newDelete(ProviderTableMeta.CONTENT_URI_SHARE).
1411                         withSelection(where, whereArgs).
1412                         build()
1413                 );
1414             }
1415         }
1416         return preparedOperations;
1417     }
1418
1419     public void triggerMediaScan(String path) {
1420         Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
1421         intent.setData(Uri.fromFile(new File(path)));
1422         MainApp.getAppContext().sendBroadcast(intent);
1423     }
1424
1425     public void deleteFileInMediaScan(String path) {
1426
1427         String mimetypeString = FileStorageUtils.getMimeTypeFromName(path);
1428         ContentResolver contentResolver = getContentResolver();
1429
1430         if (contentResolver != null) {
1431             if (mimetypeString.startsWith("image/")) {
1432                 // Images
1433                 contentResolver.delete(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
1434                         MediaStore.Images.Media.DATA + "=?", new String[]{path});
1435             } else if (mimetypeString.startsWith("audio/")) {
1436                 // Audio
1437                 contentResolver.delete(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
1438                         MediaStore.Audio.Media.DATA + "=?", new String[]{path});
1439             } else if (mimetypeString.startsWith("video/")) {
1440                 // Video
1441                 contentResolver.delete(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
1442                         MediaStore.Video.Media.DATA + "=?", new String[]{path});
1443             }
1444         } else {
1445             ContentProviderClient contentProviderClient = getContentProviderClient();
1446             try {
1447                 if (mimetypeString.startsWith("image/")) {
1448                     // Images
1449                     contentProviderClient.delete(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
1450                             MediaStore.Images.Media.DATA + "=?", new String[]{path});
1451                 } else if (mimetypeString.startsWith("audio/")) {
1452                     // Audio
1453                     contentProviderClient.delete(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
1454                             MediaStore.Audio.Media.DATA + "=?", new String[]{path});
1455                 } else if (mimetypeString.startsWith("video/")) {
1456                     // Video
1457                     contentProviderClient.delete(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
1458                             MediaStore.Video.Media.DATA + "=?", new String[]{path});
1459                 }
1460             } catch (RemoteException e) {
1461                 Log_OC.e(TAG, "Exception deleting media file in MediaStore " + e.getMessage());
1462             }
1463         }
1464
1465     }
1466
1467     public void saveConflict(OCFile file, String etagInConflict) {
1468         if (!file.isDown()) {
1469             etagInConflict = null;
1470         }
1471         ContentValues cv = new ContentValues();
1472         cv.put(ProviderTableMeta.FILE_ETAG_IN_CONFLICT, etagInConflict);
1473         int updated = 0;
1474         if (getContentResolver() != null) {
1475             updated = getContentResolver().update(
1476                     ProviderTableMeta.CONTENT_URI_FILE,
1477                     cv,
1478                     ProviderTableMeta._ID + "=?",
1479                     new String[] { String.valueOf(file.getFileId())}
1480             );
1481         } else {
1482             try {
1483                 updated = getContentProviderClient().update(
1484                         ProviderTableMeta.CONTENT_URI_FILE,
1485                         cv,
1486                         ProviderTableMeta._ID + "=?",
1487                         new String[]{String.valueOf(file.getFileId())}
1488                 );
1489             } catch (RemoteException e) {
1490                 Log_OC.e(TAG, "Failed saving conflict in database " + e.getMessage());
1491             }
1492         }
1493
1494         Log_OC.d(TAG, "Number of files updated with CONFLICT: " + updated);
1495
1496         if (updated > 0) {
1497             if (etagInConflict != null) {
1498                 /// set conflict in all ancestor folders
1499
1500                 long parentId = file.getParentId();
1501                 Set<String> ancestorIds = new HashSet<String>();
1502                 while (parentId != FileDataStorageManager.ROOT_PARENT_ID) {
1503                     ancestorIds.add(Long.toString(parentId));
1504                     parentId = getFileById(parentId).getParentId();
1505                 }
1506
1507                 if (ancestorIds.size() > 0) {
1508                     StringBuffer whereBuffer = new StringBuffer();
1509                     whereBuffer.append(ProviderTableMeta._ID).append(" IN (");
1510                     for (int i = 0; i < ancestorIds.size() - 1; i++) {
1511                         whereBuffer.append("?,");
1512                     }
1513                     whereBuffer.append("?");
1514                     whereBuffer.append(")");
1515
1516                     if (getContentResolver() != null) {
1517                         updated = getContentResolver().update(
1518                                 ProviderTableMeta.CONTENT_URI_FILE,
1519                                 cv,
1520                                 whereBuffer.toString(),
1521                                 ancestorIds.toArray(new String[]{})
1522                         );
1523                     } else {
1524                         try {
1525                             updated = getContentProviderClient().update(
1526                                     ProviderTableMeta.CONTENT_URI_FILE,
1527                                     cv,
1528                                     whereBuffer.toString(),
1529                                     ancestorIds.toArray(new String[]{})
1530                             );
1531                         } catch (RemoteException e) {
1532                             Log_OC.e(TAG, "Failed saving conflict in database " + e.getMessage());
1533                         }
1534                     }
1535                 } // else file is ROOT folder, no parent to set in conflict
1536
1537             } else {
1538                 /// update conflict in ancestor folders
1539                 // (not directly unset; maybe there are more conflicts below them)
1540                 String parentPath = file.getRemotePath();
1541                 if (parentPath.endsWith(OCFile.PATH_SEPARATOR)) {
1542                     parentPath = parentPath.substring(0, parentPath.length() - 1);
1543                 }
1544                 parentPath = parentPath.substring(0, parentPath.lastIndexOf(OCFile.PATH_SEPARATOR) + 1);
1545
1546                 Log_OC.d(TAG, "checking parents to remove conflict; STARTING with " + parentPath);
1547                 while (parentPath.length() > 0) {
1548
1549                     String where =
1550                             ProviderTableMeta.FILE_ETAG_IN_CONFLICT + " IS NOT NULL AND " +
1551                                     ProviderTableMeta.FILE_CONTENT_TYPE + " != 'DIR' AND " +
1552                                     ProviderTableMeta.FILE_ACCOUNT_OWNER + " = ? AND " +
1553                                     ProviderTableMeta.FILE_PATH + " LIKE ?";
1554                     Cursor descendentsInConflict = getContentResolver().query(
1555                             ProviderTableMeta.CONTENT_URI_FILE,
1556                             new String[]{ProviderTableMeta._ID},
1557                             where,
1558                             new String[]{mAccount.name, parentPath + "%"},
1559                             null
1560                     );
1561                     if (descendentsInConflict == null || descendentsInConflict.getCount() == 0) {
1562                         Log_OC.d(TAG, "NO MORE conflicts in " + parentPath);
1563                         if (getContentResolver() != null) {
1564                             updated = getContentResolver().update(
1565                                     ProviderTableMeta.CONTENT_URI_FILE,
1566                                     cv,
1567                                     ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1568                                             ProviderTableMeta.FILE_PATH + "=?",
1569                                     new String[]{mAccount.name, parentPath}
1570                             );
1571                         } else {
1572                             try {
1573                                 updated = getContentProviderClient().update(
1574                                         ProviderTableMeta.CONTENT_URI_FILE,
1575                                         cv,
1576                                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1577                                                 ProviderTableMeta.FILE_PATH + "=?"
1578                                         , new String[]{mAccount.name, parentPath}
1579                                 );
1580                             } catch (RemoteException e) {
1581                                 Log_OC.e(TAG, "Failed saving conflict in database " + e.getMessage());
1582                             }
1583                         }
1584
1585                     } else {
1586                         Log_OC.d(TAG, "STILL " + descendentsInConflict.getCount() + " in " + parentPath);
1587                     }
1588
1589                     if (descendentsInConflict != null) {
1590                         descendentsInConflict.close();
1591                     }
1592
1593                     parentPath = parentPath.substring(0, parentPath.length() - 1);  // trim last /
1594                     parentPath = parentPath.substring(0, parentPath.lastIndexOf(OCFile.PATH_SEPARATOR) + 1);
1595                     Log_OC.d(TAG, "checking parents to remove conflict; NEXT " + parentPath);
1596                 }
1597             }
1598         }
1599
1600     }
1601 }