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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012  Bartek Przybylski
   3  *   Copyright (C) 2012-2014 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package com.owncloud.android.datamodel;
  20
  21 import java.io.File;
  22 import java.util.ArrayList;
  23 import java.util.Collection;
  24 import java.util.Collections;
  25 import java.util.Iterator;
  26 import java.util.List;
  27 import java.util.Vector;
  28
  29 import com.owncloud.android.MainApp;
  30 import com.owncloud.android.db.ProviderMeta.ProviderTableMeta;
  31 import com.owncloud.android.lib.common.utils.Log_OC;
  32 import com.owncloud.android.lib.resources.shares.OCShare;
  33 import com.owncloud.android.lib.resources.shares.ShareType;
  34 import com.owncloud.android.lib.resources.files.FileUtils;
  35 import com.owncloud.android.utils.FileStorageUtils;
  36
  37 import android.accounts.Account;
  38 import android.content.ContentProviderClient;
  39 import android.content.ContentProviderOperation;
  40 import android.content.ContentProviderResult;
  41 import android.content.ContentResolver;
  42 import android.content.ContentUris;
  43 import android.content.ContentValues;
  44 import android.content.Intent;
  45 import android.content.OperationApplicationException;
  46 import android.database.Cursor;
  47 import android.net.Uri;
  48 import android.os.RemoteException;
  49 import android.provider.MediaStore;
  50
  51 public class FileDataStorageManager {
  52
  53     public static final int ROOT_PARENT_ID = 0;
  54
  55     private ContentResolver mContentResolver;
  56     private ContentProviderClient mContentProviderClient;
  57     private Account mAccount;
  58
  59     private static String TAG = FileDataStorageManager.class.getSimpleName();
  60
  61
  62     public FileDataStorageManager(Account account, ContentResolver cr) {
  63         mContentProviderClient = null;
  64         mContentResolver = cr;
  65         mAccount = account;
  66     }
  67
  68     public FileDataStorageManager(Account account, ContentProviderClient cp) {
  69         mContentProviderClient = cp;
  70         mContentResolver = null;
  71         mAccount = account;
  72     }
  73
  74
  75     public void setAccount(Account account) {
  76         mAccount = account;
  77     }
  78
  79     public Account getAccount() {
  80         return mAccount;
  81     }
  82
  83     public void setContentResolver(ContentResolver cr) {
  84         mContentResolver = cr;
  85     }
  86
  87     public ContentResolver getContentResolver() {
  88         return mContentResolver;
  89     }
  90
  91     public void setContentProviderClient(ContentProviderClient cp) {
  92         mContentProviderClient = cp;
  93     }
  94
  95     public ContentProviderClient getContentProviderClient() {
  96         return mContentProviderClient;
  97     }
  98
  99
 100     public OCFile getFileByPath(String path) {
 101         Cursor c = getCursorForValue(ProviderTableMeta.FILE_PATH, path);
 102         OCFile file = null;
 103         if (c.moveToFirst()) {
 104             file = createFileInstance(c);
 105         }
 106         c.close();
 107         if (file == null && OCFile.ROOT_PATH.equals(path)) {
 108             return createRootDir(); // root should always exist
 109         }
 110         return file;
 111     }
 112
 113
 114     public OCFile getFileById(long id) {
 115         Cursor c = getCursorForValue(ProviderTableMeta._ID, String.valueOf(id));
 116         OCFile file = null;
 117         if (c.moveToFirst()) {
 118             file = createFileInstance(c);
 119         }
 120         c.close();
 121         return file;
 122     }
 123
 124     public OCFile getFileByLocalPath(String path) {
 125         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 126         OCFile file = null;
 127         if (c.moveToFirst()) {
 128             file = createFileInstance(c);
 129         }
 130         c.close();
 131         return file;
 132     }
 133
 134     public boolean fileExists(long id) {
 135         return fileExists(ProviderTableMeta._ID, String.valueOf(id));
 136     }
 137
 138     public boolean fileExists(String path) {
 139         return fileExists(ProviderTableMeta.FILE_PATH, path);
 140     }
 141
 142
 143     public Vector<OCFile> getFolderContent(OCFile f) {
 144         if (f != null && f.isFolder() && f.getFileId() != -1) {
 145             return getFolderContent(f.getFileId());
 146
 147         } else {
 148             return new Vector<OCFile>();
 149         }
 150     }
 151
 152
 153     public Vector<OCFile> getFolderImages(OCFile folder) {
 154         Vector<OCFile> ret = new Vector<OCFile>();
 155         if (folder != null) {
 156             // TODO better implementation, filtering in the access to database instead of here
 157             Vector<OCFile> tmp = getFolderContent(folder);
 158             OCFile current = null;
 159             for (int i=0; i<tmp.size(); i++) {
 160                 current = tmp.get(i);
 161                 if (current.isImage()) {
 162                     ret.add(current);
 163                 }
 164             }
 165         }
 166         return ret;
 167     }
 168
 169
 170     public boolean saveFile(OCFile file) {
 171         boolean overriden = false;
 172         ContentValues cv = new ContentValues();
 173         cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 174         cv.put(
 175             ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 176             file.getModificationTimestampAtLastSyncForData()
 177         );
 178         cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 179         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 180         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 181         cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 182         //if (file.getParentId() != DataStorageManager.ROOT_PARENT_ID)
 183             cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 184         cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 185         if (!file.isFolder())
 186             cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 187         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 188         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 189         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 190         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
 191         cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 192         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
 193         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 194         cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 195         cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 196         cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
 197
 198         boolean sameRemotePath = fileExists(file.getRemotePath());
 199         if (sameRemotePath ||
 200                 fileExists(file.getFileId())        ) {  // for renamed files
 201
 202             OCFile oldFile = null;
 203             if (sameRemotePath) {
 204                 oldFile = getFileByPath(file.getRemotePath());
 205                 file.setFileId(oldFile.getFileId());
 206             } else {
 207                 oldFile = getFileById(file.getFileId());
 208             }
 209
 210             overriden = true;
 211             if (getContentResolver() != null) {
 212                 getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv,
 213                         ProviderTableMeta._ID + "=?",
 214                         new String[] { String.valueOf(file.getFileId()) });
 215             } else {
 216                 try {
 217                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI,
 218                             cv, ProviderTableMeta._ID + "=?",
 219                             new String[] { String.valueOf(file.getFileId()) });
 220                 } catch (RemoteException e) {
 221                     Log_OC.e(TAG,
 222                             "Fail to insert insert file to database "
 223                                     + e.getMessage());
 224                 }
 225             }
 226         } else {
 227             Uri result_uri = null;
 228             if (getContentResolver() != null) {
 229                 result_uri = getContentResolver().insert(
 230                         ProviderTableMeta.CONTENT_URI_FILE, cv);
 231             } else {
 232                 try {
 233                     result_uri = getContentProviderClient().insert(
 234                             ProviderTableMeta.CONTENT_URI_FILE, cv);
 235                 } catch (RemoteException e) {
 236                     Log_OC.e(TAG,
 237                             "Fail to insert insert file to database "
 238                                     + e.getMessage());
 239                 }
 240             }
 241             if (result_uri != null) {
 242                 long new_id = Long.parseLong(result_uri.getPathSegments()
 243                         .get(1));
 244                 file.setFileId(new_id);
 245             }
 246         }
 247
 248 //        if (file.isFolder()) {
 249 //            updateFolderSize(file.getFileId());
 250 //        } else {
 251 //            updateFolderSize(file.getParentId());
 252 //        }
 253
 254         return overriden;
 255     }
 256
 257
 258     /**
 259      * Inserts or updates the list of files contained in a given folder.
 260      *
 261      * CALLER IS THE RESPONSIBLE FOR GRANTING RIGHT UPDATE OF INFORMATION, NOT THIS METHOD.
 262      * HERE ONLY DATA CONSISTENCY SHOULD BE GRANTED
 263      *
 264      * @param folder
 265      * @param updatedFiles
 266      * @param filesToRemove
 267      */
 268     public void saveFolder(
 269             OCFile folder, Collection<OCFile> updatedFiles, Collection<OCFile> filesToRemove
 270         ) {
 271
 272         Log_OC.d(TAG,  "Saving folder " + folder.getRemotePath() + " with " + updatedFiles.size()
 273                 + " children and " + filesToRemove.size() + " files to remove");
 274
 275         ArrayList<ContentProviderOperation> operations =
 276                 new ArrayList<ContentProviderOperation>(updatedFiles.size());
 277
 278         // prepare operations to insert or update files to save in the given folder
 279         for (OCFile file : updatedFiles) {
 280             ContentValues cv = new ContentValues();
 281             cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 282             cv.put(
 283                 ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 284                 file.getModificationTimestampAtLastSyncForData()
 285             );
 286             cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 287             cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 288             cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 289             cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 290             //cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 291             cv.put(ProviderTableMeta.FILE_PARENT, folder.getFileId());
 292             cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 293             if (!file.isFolder()) {
 294                 cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 295             }
 296             cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 297             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 298             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 299             cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
 300             cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 301             cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
 302             cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 303             cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 304             cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 305             cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
 306
 307             boolean existsByPath = fileExists(file.getRemotePath());
 308             if (existsByPath || fileExists(file.getFileId())) {
 309                 // updating an existing file
 310                 operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 311                         withValues(cv).
 312                         withSelection(  ProviderTableMeta._ID + "=?",
 313                                 new String[] { String.valueOf(file.getFileId()) })
 314                                 .build());
 315
 316             } else {
 317                 // adding a new file
 318                 operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
 319                         withValues(cv).build());
 320             }
 321         }
 322
 323         // prepare operations to remove files in the given folder
 324         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 325                 ProviderTableMeta.FILE_PATH + "=?";
 326         String [] whereArgs = null;
 327         for (OCFile file : filesToRemove) {
 328             if (file.getParentId() == folder.getFileId()) {
 329                 whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 330                 //Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE, "" + file.getFileId());
 331                 if (file.isFolder()) {
 332                     operations.add(ContentProviderOperation.newDelete(
 333                             ContentUris.withAppendedId(
 334                                     ProviderTableMeta.CONTENT_URI_DIR, file.getFileId()
 335                             )
 336                     ).withSelection(where, whereArgs).build());
 337
 338                     File localFolder =
 339                             new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 340                     if (localFolder.exists()) {
 341                         removeLocalFolder(localFolder);
 342                     }
 343                 } else {
 344                     operations.add(ContentProviderOperation.newDelete(
 345                             ContentUris.withAppendedId(
 346                                     ProviderTableMeta.CONTENT_URI_FILE, file.getFileId()
 347                             )
 348                     ).withSelection(where, whereArgs).build());
 349
 350                     if (file.isDown()) {
 351                         String path = file.getStoragePath();
 352                         new File(path).delete();
 353                         triggerMediaScan(path); // notify MediaScanner about removed file
 354                     }
 355                 }
 356             }
 357         }
 358
 359         // update metadata of folder
 360         ContentValues cv = new ContentValues();
 361         cv.put(ProviderTableMeta.FILE_MODIFIED, folder.getModificationTimestamp());
 362         cv.put(
 363             ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 364             folder.getModificationTimestampAtLastSyncForData()
 365         );
 366         cv.put(ProviderTableMeta.FILE_CREATION, folder.getCreationTimestamp());
 367         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, 0);
 368         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, folder.getMimetype());
 369         cv.put(ProviderTableMeta.FILE_NAME, folder.getFileName());
 370         cv.put(ProviderTableMeta.FILE_PARENT, folder.getParentId());
 371         cv.put(ProviderTableMeta.FILE_PATH, folder.getRemotePath());
 372         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 373         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, folder.getLastSyncDateForProperties());
 374         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, folder.getLastSyncDateForData());
 375         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, folder.keepInSync() ? 1 : 0);
 376         cv.put(ProviderTableMeta.FILE_ETAG, folder.getEtag());
 377         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, folder.isShareByLink() ? 1 : 0);
 378         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, folder.getPublicLink());
 379         cv.put(ProviderTableMeta.FILE_PERMISSIONS, folder.getPermissions());
 380         cv.put(ProviderTableMeta.FILE_REMOTE_ID, folder.getRemoteId());
 381
 382         operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 383                 withValues(cv).
 384                 withSelection(  ProviderTableMeta._ID + "=?",
 385                         new String[] { String.valueOf(folder.getFileId()) })
 386                         .build());
 387
 388         // apply operations in batch
 389         ContentProviderResult[] results = null;
 390         Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
 391         try {
 392             if (getContentResolver() != null) {
 393                 results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 394
 395             } else {
 396                 results = getContentProviderClient().applyBatch(operations);
 397             }
 398
 399         } catch (OperationApplicationException e) {
 400             Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
 401
 402         } catch (RemoteException e) {
 403             Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
 404         }
 405
 406         // update new id in file objects for insertions
 407         if (results != null) {
 408             long newId;
 409             Iterator<OCFile> filesIt = updatedFiles.iterator();
 410             OCFile file = null;
 411             for (int i=0; i<results.length; i++) {
 412                 if (filesIt.hasNext()) {
 413                     file = filesIt.next();
 414                 } else {
 415                     file = null;
 416                 }
 417                 if (results[i].uri != null) {
 418                     newId = Long.parseLong(results[i].uri.getPathSegments().get(1));
 419                     //updatedFiles.get(i).setFileId(newId);
 420                     if (file != null) {
 421                         file.setFileId(newId);
 422                     }
 423                 }
 424             }
 425         }
 426
 427         //updateFolderSize(folder.getFileId());
 428
 429     }
 430
 431
 432 //    /**
 433 //     *
 434 //     * @param id
 435 //     */
 436 //    private void updateFolderSize(long id) {
 437 //        if (id > FileDataStorageManager.ROOT_PARENT_ID) {
 438 //            Log_OC.d(TAG, "Updating size of " + id);
 439 //            if (getContentResolver() != null) {
 440 //                getContentResolver().update(ProviderTableMeta.CONTENT_URI_DIR,
 441 //                        new ContentValues(),
 442                             // won't be used, but cannot be null; crashes in KLP
 443 //                        ProviderTableMeta._ID + "=?",
 444 //                        new String[] { String.valueOf(id) });
 445 //            } else {
 446 //                try {
 447 //                    getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_DIR,
 448 //                            new ContentValues(),
 449                                 // won't be used, but cannot be null; crashes in KLP
 450 //                            ProviderTableMeta._ID + "=?",
 451 //                            new String[] { String.valueOf(id) });
 452 //
 453 //                } catch (RemoteException e) {
 454 //                    Log_OC.e(
 455 //    TAG, "Exception in update of folder size through compatibility patch " + e.getMessage());
 456 //                }
 457 //            }
 458 //        } else {
 459 //            Log_OC.e(TAG,  "not updating size for folder " + id);
 460 //        }
 461 //    }
 462
 463
 464     public boolean removeFile(OCFile file, boolean removeDBData, boolean removeLocalCopy) {
 465         boolean success = true;
 466         if (file != null) {
 467             if (file.isFolder()) {
 468                 success = removeFolder(file, removeDBData, removeLocalCopy);
 469
 470             } else {
 471                 if (removeDBData) {
 472                     Uri file_uri = ContentUris.withAppendedId(
 473                         ProviderTableMeta.CONTENT_URI_FILE,
 474                         file.getFileId()
 475                     );
 476                     String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 477                             ProviderTableMeta.FILE_PATH + "=?";
 478                     String [] whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 479                     int deleted = 0;
 480                     if (getContentProviderClient() != null) {
 481                         try {
 482                             deleted = getContentProviderClient().delete(file_uri, where, whereArgs);
 483                         } catch (RemoteException e) {
 484                             e.printStackTrace();
 485                         }
 486                     } else {
 487                         deleted = getContentResolver().delete(file_uri, where, whereArgs);
 488                     }
 489                     success &= (deleted > 0);
 490                 }
 491                 String localPath = file.getStoragePath();
 492                 if (removeLocalCopy && file.isDown() && localPath != null && success) {
 493                     success = new File(localPath).delete();
 494                     if (success) {
 495                         deleteFileInMediaScan(file);
 496                     }
 497                     if (!removeDBData && success) {
 498                         // maybe unnecessary, but should be checked TODO remove if unnecessary
 499                         file.setStoragePath(null);
 500                         saveFile(file);
 501                     }
 502                 }
 503             }
 504         }
 505         return success;
 506     }
 507
 508
 509     public boolean removeFolder(OCFile folder, boolean removeDBData, boolean removeLocalContent) {
 510         boolean success = true;
 511         if (folder != null && folder.isFolder()) {
 512             if (removeDBData &&  folder.getFileId() != -1) {
 513                 success = removeFolderInDb(folder);
 514             }
 515             if (removeLocalContent && success) {
 516                 success = removeLocalFolder(folder);
 517             }
 518         }
 519         return success;
 520     }
 521
 522     private boolean removeFolderInDb(OCFile folder) {
 523         Uri folder_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, "" +
 524                 folder.getFileId());   // URI for recursive deletion
 525         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 526                 ProviderTableMeta.FILE_PATH + "=?";
 527         String [] whereArgs = new String[]{mAccount.name, folder.getRemotePath()};
 528         int deleted = 0;
 529         if (getContentProviderClient() != null) {
 530             try {
 531                 deleted = getContentProviderClient().delete(folder_uri, where, whereArgs);
 532             } catch (RemoteException e) {
 533                 e.printStackTrace();
 534             }
 535         } else {
 536             deleted = getContentResolver().delete(folder_uri, where, whereArgs);
 537         }
 538         return deleted > 0;
 539     }
 540
 541     private boolean removeLocalFolder(OCFile folder) {
 542         boolean success = true;
 543         String localFolderPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, folder);
 544         File localFolder = new File(localFolderPath);
 545         if (localFolder.exists()) {
 546             // stage 1: remove the local files already registered in the files database
 547             Vector<OCFile> files = getFolderContent(folder.getFileId());
 548             if (files != null) {
 549                 for (OCFile file : files) {
 550                     if (file.isFolder()) {
 551                         success &= removeLocalFolder(file);
 552                     } else {
 553                         if (file.isDown()) {
 554                             File localFile = new File(file.getStoragePath());
 555                             success &= localFile.delete();
 556                             if (success) {
 557                                 deleteFileInMediaScan(file); // notify MediaScanner about removed file
 558                                 file.setStoragePath(null);
 559                                 saveFile(file);
 560                             }
 561                         }
 562                     }
 563                 }
 564             }
 565
 566             // stage 2: remove the folder itself and any local file inside out of sync;
 567             //          for instance, after clearing the app cache or reinstalling
 568             success &= removeLocalFolder(localFolder);
 569         }
 570         return success;
 571     }
 572
 573     private boolean removeLocalFolder(File localFolder) {
 574         boolean success = true;
 575         File[] localFiles = localFolder.listFiles();
 576         if (localFiles != null) {
 577             for (File localFile : localFiles) {
 578                 if (localFile.isDirectory()) {
 579                     success &= removeLocalFolder(localFile);
 580                 } else {
 581                     String path = localFile.getAbsolutePath();
 582                     success &= localFile.delete();
 583                 }
 584             }
 585         }
 586         success &= localFolder.delete();
 587         return success;
 588     }
 589
 590
 591     /**
 592      * Updates database and file system for a file or folder that was moved to a different location.
 593      *
 594      * TODO explore better (faster) implementations
 595      * TODO throw exceptions up !
 596      */
 597     public void moveLocalFile(OCFile file, String targetPath, String targetParentPath) {
 598
 599         if (file != null && file.fileExists() && !OCFile.ROOT_PATH.equals(file.getFileName())) {
 600
 601             OCFile targetParent = getFileByPath(targetParentPath);
 602             if (targetParent == null) {
 603                 throw new IllegalStateException("Parent folder of the target path does not exist!!");
 604             }
 605
 606             /// 1. get all the descendants of the moved element in a single QUERY
 607             Cursor c = null;
 608             if (getContentProviderClient() != null) {
 609                 try {
 610                     c = getContentProviderClient().query(
 611                         ProviderTableMeta.CONTENT_URI,
 612                         null,
 613                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 614                                 ProviderTableMeta.FILE_PATH + " LIKE ? ",
 615                         new String[] {
 616                                 mAccount.name,
 617                                 file.getRemotePath() + "%"
 618                         },
 619                         ProviderTableMeta.FILE_PATH + " ASC "
 620                     );
 621                 } catch (RemoteException e) {
 622                     Log_OC.e(TAG, e.getMessage());
 623                 }
 624
 625             } else {
 626                 c = getContentResolver().query(
 627                     ProviderTableMeta.CONTENT_URI,
 628                     null,
 629                     ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 630                             ProviderTableMeta.FILE_PATH + " LIKE ? ",
 631                     new String[] {
 632                             mAccount.name,
 633                             file.getRemotePath() + "%"
 634                     },
 635                     ProviderTableMeta.FILE_PATH + " ASC "
 636                 );
 637             }
 638
 639             /// 2. prepare a batch of update operations to change all the descendants
 640             ArrayList<ContentProviderOperation> operations =
 641                     new ArrayList<ContentProviderOperation>(c.getCount());
 642             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 643             List<String> originalPathsToTriggerMediaScan = new ArrayList<String>();
 644             List<String> newPathsToTriggerMediaScan = new ArrayList<String>();
 645             if (c.moveToFirst()) {
 646                 int lengthOfOldPath = file.getRemotePath().length();
 647                 int lengthOfOldStoragePath = defaultSavePath.length() + lengthOfOldPath;
 648                 do {
 649                     ContentValues cv = new ContentValues(); // keep construction in the loop
 650                     OCFile child = createFileInstance(c);
 651                     cv.put(
 652                         ProviderTableMeta.FILE_PATH,
 653                         targetPath + child.getRemotePath().substring(lengthOfOldPath)
 654                     );
 655                     if (child.getStoragePath() != null &&
 656                             child.getStoragePath().startsWith(defaultSavePath)) {
 657                         // update link to downloaded content - but local move is not done here!
 658                         String targetLocalPath = defaultSavePath + targetPath +
 659                                 child.getStoragePath().substring(lengthOfOldStoragePath);
 660
 661                         cv.put(ProviderTableMeta.FILE_STORAGE_PATH, targetLocalPath);
 662
 663                         originalPathsToTriggerMediaScan.add(child.getStoragePath());
 664                         newPathsToTriggerMediaScan.add(targetLocalPath);
 665
 666                     }
 667                     if (child.getRemotePath().equals(file.getRemotePath())) {
 668                         cv.put(
 669                                 ProviderTableMeta.FILE_PARENT,
 670                                 targetParent.getFileId()
 671                             );
 672                     }
 673                     operations.add(
 674                         ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 675                             withValues(cv).
 676                             withSelection(
 677                                     ProviderTableMeta._ID + "=?",
 678                                     new String[] { String.valueOf(child.getFileId()) }
 679                                     )
 680                             .build());
 681
 682                 } while (c.moveToNext());
 683             }
 684             c.close();
 685
 686             /// 3. apply updates in batch
 687             try {
 688                 if (getContentResolver() != null) {
 689                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 690
 691                 } else {
 692                     getContentProviderClient().applyBatch(operations);
 693                 }
 694
 695             } catch (Exception e) {
 696                 Log_OC.e(TAG, "Fail to update " + file.getFileId() + " and descendants in database", e);
 697             }
 698
 699             /// 4. move in local file system
 700             String originalLocalPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, file);
 701             String targetLocalPath = defaultSavePath + targetPath;
 702             File localFile = new File(originalLocalPath);
 703             boolean renamed = false;
 704             if (localFile.exists()) {
 705                 File targetFile = new File(targetLocalPath);
 706                 File targetFolder = targetFile.getParentFile();
 707                 if (!targetFolder.exists()) {
 708                     targetFolder.mkdirs();
 709                 }
 710                 renamed = localFile.renameTo(targetFile);
 711             }
 712
 713             if (renamed) {
 714                 Iterator<String> it = originalPathsToTriggerMediaScan.iterator();
 715                 while (it.hasNext()) {
 716                     // Notify MediaScanner about removed file
 717                     deleteFileInMediaScan(file);
 718                     triggerMediaScan(it.next());
 719                 }
 720                 it = newPathsToTriggerMediaScan.iterator();
 721                 while (it.hasNext()) {
 722                     // Notify MediaScanner about new file/folder
 723                     deleteFileInMediaScan(file);
 724                     triggerMediaScan(it.next());
 725                 }
 726             }
 727         }
 728
 729     }
 730
 731
 732     private Vector<OCFile> getFolderContent(long parentId) {
 733
 734         Vector<OCFile> ret = new Vector<OCFile>();
 735
 736         Uri req_uri = Uri.withAppendedPath(
 737                 ProviderTableMeta.CONTENT_URI_DIR,
 738                 String.valueOf(parentId));
 739         Cursor c = null;
 740
 741         if (getContentProviderClient() != null) {
 742             try {
 743                 c = getContentProviderClient().query(req_uri, null,
 744                         ProviderTableMeta.FILE_PARENT + "=?" ,
 745                         new String[] { String.valueOf(parentId)}, null);
 746             } catch (RemoteException e) {
 747                 Log_OC.e(TAG, e.getMessage());
 748                 return ret;
 749             }
 750         } else {
 751             c = getContentResolver().query(req_uri, null,
 752                     ProviderTableMeta.FILE_PARENT + "=?" ,
 753                     new String[] { String.valueOf(parentId)}, null);
 754         }
 755
 756         if (c.moveToFirst()) {
 757             do {
 758                 OCFile child = createFileInstance(c);
 759                 ret.add(child);
 760             } while (c.moveToNext());
 761         }
 762
 763         c.close();
 764
 765         Collections.sort(ret);
 766
 767         return ret;
 768     }
 769
 770
 771     private OCFile createRootDir() {
 772         OCFile file = new OCFile(OCFile.ROOT_PATH);
 773         file.setMimetype("DIR");
 774         file.setParentId(FileDataStorageManager.ROOT_PARENT_ID);
 775         saveFile(file);
 776         return file;
 777     }
 778
 779     private boolean fileExists(String cmp_key, String value) {
 780         Cursor c;
 781         if (getContentResolver() != null) {
 782             c = getContentResolver()
 783                     .query(ProviderTableMeta.CONTENT_URI,
 784                             null,
 785                             cmp_key + "=? AND "
 786                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 787                                     + "=?",
 788                                     new String[] { value, mAccount.name }, null);
 789         } else {
 790             try {
 791                 c = getContentProviderClient().query(
 792                         ProviderTableMeta.CONTENT_URI,
 793                         null,
 794                         cmp_key + "=? AND "
 795                                 + ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
 796                                 new String[] { value, mAccount.name }, null);
 797             } catch (RemoteException e) {
 798                 Log_OC.e(TAG,
 799                         "Couldn't determine file existance, assuming non existance: "
 800                                 + e.getMessage());
 801                 return false;
 802             }
 803         }
 804         boolean retval = c.moveToFirst();
 805         c.close();
 806         return retval;
 807     }
 808
 809     private Cursor getCursorForValue(String key, String value) {
 810         Cursor c = null;
 811         if (getContentResolver() != null) {
 812             c = getContentResolver()
 813                     .query(ProviderTableMeta.CONTENT_URI,
 814                             null,
 815                             key + "=? AND "
 816                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 817                                     + "=?",
 818                                     new String[] { value, mAccount.name }, null);
 819         } else {
 820             try {
 821                 c = getContentProviderClient().query(
 822                         ProviderTableMeta.CONTENT_URI,
 823                         null,
 824                         key + "=? AND " + ProviderTableMeta.FILE_ACCOUNT_OWNER
 825                         + "=?", new String[] { value, mAccount.name },
 826                         null);
 827             } catch (RemoteException e) {
 828                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 829                 c = null;
 830             }
 831         }
 832         return c;
 833     }
 834
 835
 836     private OCFile createFileInstance(Cursor c) {
 837         OCFile file = null;
 838         if (c != null) {
 839             file = new OCFile(c.getString(c
 840                     .getColumnIndex(ProviderTableMeta.FILE_PATH)));
 841             file.setFileId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
 842             file.setParentId(c.getLong(c
 843                     .getColumnIndex(ProviderTableMeta.FILE_PARENT)));
 844             file.setMimetype(c.getString(c
 845                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE)));
 846             if (!file.isFolder()) {
 847                 file.setStoragePath(c.getString(c
 848                         .getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH)));
 849                 if (file.getStoragePath() == null) {
 850                     // try to find existing file and bind it with current account;
 851                     // with the current update of SynchronizeFolderOperation, this won't be
 852                     // necessary anymore after a full synchronization of the account
 853                     File f = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 854                     if (f.exists()) {
 855                         file.setStoragePath(f.getAbsolutePath());
 856                         file.setLastSyncDateForData(f.lastModified());
 857                     }
 858                 }
 859             }
 860             file.setFileLength(c.getLong(c
 861                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH)));
 862             file.setCreationTimestamp(c.getLong(c
 863                     .getColumnIndex(ProviderTableMeta.FILE_CREATION)));
 864             file.setModificationTimestamp(c.getLong(c
 865                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED)));
 866             file.setModificationTimestampAtLastSyncForData(c.getLong(c
 867                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA)));
 868             file.setLastSyncDateForProperties(c.getLong(c
 869                     .getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE)));
 870             file.setLastSyncDateForData(c.getLong(c.
 871                     getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA)));
 872             file.setKeepInSync(c.getInt(
 873                     c.getColumnIndex(ProviderTableMeta.FILE_KEEP_IN_SYNC)) == 1 ? true : false);
 874             file.setEtag(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG)));
 875             file.setShareByLink(c.getInt(
 876                     c.getColumnIndex(ProviderTableMeta.FILE_SHARE_BY_LINK)) == 1 ? true : false);
 877             file.setPublicLink(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PUBLIC_LINK)));
 878             file.setPermissions(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PERMISSIONS)));
 879             file.setRemoteId(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_REMOTE_ID)));
 880             file.setNeedsUpdateThumbnail(c.getInt(
 881                     c.getColumnIndex(ProviderTableMeta.FILE_UPDATE_THUMBNAIL)) == 1 ? true : false);
 882
 883         }
 884         return file;
 885     }
 886
 887     /**
 888      * Returns if the file/folder is shared by link or not
 889      * @param path  Path of the file/folder
 890      * @return
 891      */
 892     public boolean isShareByLink(String path) {
 893         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 894         OCFile file = null;
 895         if (c.moveToFirst()) {
 896             file = createFileInstance(c);
 897         }
 898         c.close();
 899         return file.isShareByLink();
 900     }
 901
 902     /**
 903      * Returns the public link of the file/folder
 904      * @param path  Path of the file/folder
 905      * @return
 906      */
 907     public String getPublicLink(String path) {
 908         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 909         OCFile file = null;
 910         if (c.moveToFirst()) {
 911             file = createFileInstance(c);
 912         }
 913         c.close();
 914         return file.getPublicLink();
 915     }
 916
 917
 918     // Methods for Shares
 919     public boolean saveShare(OCShare share) {
 920         boolean overriden = false;
 921         ContentValues cv = new ContentValues();
 922         cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
 923         cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
 924         cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
 925         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
 926         cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
 927         cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
 928         cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
 929         cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
 930         cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
 931         cv.put(
 932             ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
 933             share.getSharedWithDisplayName()
 934         );
 935         cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
 936         cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
 937         cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
 938         cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
 939
 940         if (shareExists(share.getIdRemoteShared())) {   // for renamed files
 941
 942             overriden = true;
 943             if (getContentResolver() != null) {
 944                 getContentResolver().update(ProviderTableMeta.CONTENT_URI_SHARE, cv,
 945                         ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 946                         new String[] { String.valueOf(share.getIdRemoteShared()) });
 947             } else {
 948                 try {
 949                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_SHARE,
 950                             cv, ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 951                             new String[] { String.valueOf(share.getIdRemoteShared()) });
 952                 } catch (RemoteException e) {
 953                     Log_OC.e(TAG,
 954                             "Fail to insert insert file to database "
 955                                     + e.getMessage());
 956                 }
 957             }
 958         } else {
 959             Uri result_uri = null;
 960             if (getContentResolver() != null) {
 961                 result_uri = getContentResolver().insert(
 962                         ProviderTableMeta.CONTENT_URI_SHARE, cv);
 963             } else {
 964                 try {
 965                     result_uri = getContentProviderClient().insert(
 966                             ProviderTableMeta.CONTENT_URI_SHARE, cv);
 967                 } catch (RemoteException e) {
 968                     Log_OC.e(TAG,
 969                             "Fail to insert insert file to database "
 970                                     + e.getMessage());
 971                 }
 972             }
 973             if (result_uri != null) {
 974                 long new_id = Long.parseLong(result_uri.getPathSegments()
 975                         .get(1));
 976                 share.setId(new_id);
 977             }
 978         }
 979
 980         return overriden;
 981     }
 982
 983
 984     public OCShare getFirstShareByPathAndType(String path, ShareType type) {
 985         Cursor c = null;
 986         if (getContentResolver() != null) {
 987             c = getContentResolver().query(
 988                     ProviderTableMeta.CONTENT_URI_SHARE,
 989                     null,
 990                     ProviderTableMeta.OCSHARES_PATH + "=? AND "
 991                             + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
 992                             + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
 993                     new String[] { path, Integer.toString(type.getValue()), mAccount.name },
 994                     null);
 995         } else {
 996             try {
 997                 c = getContentProviderClient().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
1006             } catch (RemoteException e) {
1007                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
1008                 c = null;
1009             }
1010         }
1011         OCShare share = null;
1012         if (c.moveToFirst()) {
1013             share = createShareInstance(c);
1014         }
1015         c.close();
1016         return share;
1017     }
1018
1019     private OCShare createShareInstance(Cursor c) {
1020         OCShare share = null;
1021         if (c != null) {
1022             share = new OCShare(c.getString(c
1023                     .getColumnIndex(ProviderTableMeta.OCSHARES_PATH)));
1024             share.setId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
1025             share.setFileSource(c.getLong(c
1026                     .getColumnIndex(ProviderTableMeta.OCSHARES_ITEM_SOURCE)));
1027             share.setShareType(ShareType.fromValue(c.getInt(c
1028                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_TYPE))));
1029             share.setPermissions(c.getInt(c
1030                     .getColumnIndex(ProviderTableMeta.OCSHARES_PERMISSIONS)));
1031             share.setSharedDate(c.getLong(c
1032                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARED_DATE)));
1033             share.setExpirationDate(c.getLong(c
1034                     .getColumnIndex(ProviderTableMeta.OCSHARES_EXPIRATION_DATE)));
1035             share.setToken(c.getString(c
1036                     .getColumnIndex(ProviderTableMeta.OCSHARES_TOKEN)));
1037             share.setSharedWithDisplayName(c.getString(c
1038                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME)));
1039             share.setIsFolder(c.getInt(
1040                     c.getColumnIndex(ProviderTableMeta.OCSHARES_IS_DIRECTORY)) == 1 ? true : false);
1041             share.setUserId(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_USER_ID)));
1042             share.setIdRemoteShared(
1043                 c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED))
1044             );
1045
1046         }
1047         return share;
1048     }
1049
1050     private boolean shareExists(String cmp_key, String value) {
1051         Cursor c;
1052         if (getContentResolver() != null) {
1053             c = getContentResolver()
1054                     .query(ProviderTableMeta.CONTENT_URI_SHARE,
1055                             null,
1056                             cmp_key + "=? AND "
1057                                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
1058                                     + "=?",
1059                                     new String[] { value, mAccount.name }, null);
1060         } else {
1061             try {
1062                 c = getContentProviderClient().query(
1063                         ProviderTableMeta.CONTENT_URI_SHARE,
1064                         null,
1065                         cmp_key + "=? AND "
1066                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1067                                 new String[] { value, mAccount.name }, null);
1068             } catch (RemoteException e) {
1069                 Log_OC.e(TAG,
1070                         "Couldn't determine file existance, assuming non existance: "
1071                                 + e.getMessage());
1072                 return false;
1073             }
1074         }
1075         boolean retval = c.moveToFirst();
1076         c.close();
1077         return retval;
1078     }
1079
1080     private boolean shareExists(long remoteId) {
1081         return shareExists(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, String.valueOf(remoteId));
1082     }
1083
1084     private void cleanSharedFiles() {
1085         ContentValues cv = new ContentValues();
1086         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
1087         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1088         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?";
1089         String [] whereArgs = new String[]{mAccount.name};
1090
1091         if (getContentResolver() != null) {
1092             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1093
1094         } else {
1095             try {
1096                 getContentProviderClient().update(
1097                         ProviderTableMeta.CONTENT_URI, cv, where, whereArgs
1098                 );
1099
1100             } catch (RemoteException e) {
1101                 Log_OC.e(TAG, "Exception in cleanSharedFiles" + e.getMessage());
1102             }
1103         }
1104     }
1105
1106     private void cleanSharedFilesInFolder(OCFile folder) {
1107         ContentValues cv = new ContentValues();
1108         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
1109         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1110         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1111                 ProviderTableMeta.FILE_PARENT + "=?";
1112         String [] whereArgs = new String[] { mAccount.name , String.valueOf(folder.getFileId()) };
1113
1114         if (getContentResolver() != null) {
1115             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1116
1117         } else {
1118             try {
1119                 getContentProviderClient().update(
1120                         ProviderTableMeta.CONTENT_URI, cv, where, whereArgs
1121                 );
1122
1123             } catch (RemoteException e) {
1124                 Log_OC.e(TAG, "Exception in cleanSharedFilesInFolder " + e.getMessage());
1125             }
1126         }
1127     }
1128
1129     private void cleanShares() {
1130         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1131         String [] whereArgs = new String[]{mAccount.name};
1132
1133         if (getContentResolver() != null) {
1134             getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1135
1136         } else {
1137             try {
1138                 getContentProviderClient().delete(
1139                         ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs
1140                 );
1141
1142             } catch (RemoteException e) {
1143                 Log_OC.e(TAG, "Exception in cleanShares" + e.getMessage());
1144             }
1145         }
1146     }
1147
1148     public void saveShares(Collection<OCShare> shares) {
1149         cleanShares();
1150         if (shares != null) {
1151             ArrayList<ContentProviderOperation> operations =
1152                     new ArrayList<ContentProviderOperation>(shares.size());
1153
1154             // prepare operations to insert or update files to save in the given folder
1155             for (OCShare share : shares) {
1156                 ContentValues cv = new ContentValues();
1157                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1158                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1159                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1160                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1161                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1162                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1163                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1164                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1165                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1166                 cv.put(
1167                     ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1168                     share.getSharedWithDisplayName()
1169                 );
1170                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1171                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1172                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1173                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1174
1175                 if (shareExists(share.getIdRemoteShared())) {
1176                     // updating an existing file
1177                     operations.add(
1178                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1179                             withValues(cv).
1180                             withSelection(
1181                                     ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1182                                     new String[] { String.valueOf(share.getIdRemoteShared()) }
1183                             ).
1184                             build()
1185                     );
1186
1187                 } else {
1188                     // adding a new file
1189                     operations.add(
1190                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1191                             withValues(cv).
1192                             build()
1193                     );
1194                 }
1195             }
1196
1197             // apply operations in batch
1198             if (operations.size() > 0) {
1199                 @SuppressWarnings("unused")
1200                 ContentProviderResult[] results = null;
1201                 Log_OC.d(TAG, "Sending " + operations.size() +
1202                         " operations to FileContentProvider");
1203                 try {
1204                     if (getContentResolver() != null) {
1205                         results = getContentResolver().applyBatch(
1206                                 MainApp.getAuthority(), operations
1207                         );
1208
1209                     } else {
1210                         results = getContentProviderClient().applyBatch(operations);
1211                     }
1212
1213                 } catch (OperationApplicationException e) {
1214                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1215
1216                 } catch (RemoteException e) {
1217                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1218                 }
1219             }
1220         }
1221
1222     }
1223
1224     public void updateSharedFiles(Collection<OCFile> sharedFiles) {
1225         cleanSharedFiles();
1226
1227         if (sharedFiles != null) {
1228             ArrayList<ContentProviderOperation> operations =
1229                     new ArrayList<ContentProviderOperation>(sharedFiles.size());
1230
1231             // prepare operations to insert or update files to save in the given folder
1232             for (OCFile file : sharedFiles) {
1233                 ContentValues cv = new ContentValues();
1234                 cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
1235                 cv.put(
1236                     ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
1237                     file.getModificationTimestampAtLastSyncForData()
1238                 );
1239                 cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
1240                 cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
1241                 cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
1242                 cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
1243                 cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
1244                 cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
1245                 if (!file.isFolder()) {
1246                     cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
1247                 }
1248                 cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
1249                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
1250                 cv.put(
1251                     ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA,
1252                     file.getLastSyncDateForData()
1253                 );
1254                 cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
1255                 cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
1256                 cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
1257                 cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
1258                 cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
1259                 cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
1260                 cv.put(
1261                     ProviderTableMeta.FILE_UPDATE_THUMBNAIL,
1262                     file.needsUpdateThumbnail() ? 1 : 0
1263                 );
1264
1265                 boolean existsByPath = fileExists(file.getRemotePath());
1266                 if (existsByPath || fileExists(file.getFileId())) {
1267                     // updating an existing file
1268                     operations.add(
1269                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
1270                             withValues(cv).
1271                             withSelection(
1272                                     ProviderTableMeta._ID + "=?",
1273                                     new String[] { String.valueOf(file.getFileId()) }
1274                             ).build()
1275                     );
1276
1277                 } else {
1278                     // adding a new file
1279                     operations.add(
1280                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
1281                             withValues(cv).
1282                             build()
1283                     );
1284                 }
1285             }
1286
1287             // apply operations in batch
1288             if (operations.size() > 0) {
1289                 @SuppressWarnings("unused")
1290                 ContentProviderResult[] results = null;
1291                 Log_OC.d(TAG, "Sending " + operations.size() +
1292                         " operations to FileContentProvider");
1293                 try {
1294                     if (getContentResolver() != null) {
1295                         results = getContentResolver().applyBatch(
1296                                 MainApp.getAuthority(), operations
1297                         );
1298
1299                     } else {
1300                         results = getContentProviderClient().applyBatch(operations);
1301                     }
1302
1303                 } catch (OperationApplicationException e) {
1304                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1305
1306                 } catch (RemoteException e) {
1307                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1308                 }
1309             }
1310         }
1311
1312     }
1313
1314     public void removeShare(OCShare share){
1315         Uri share_uri = ProviderTableMeta.CONTENT_URI_SHARE;
1316         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?" + " AND " +
1317                 ProviderTableMeta.FILE_PATH + "=?";
1318         String [] whereArgs = new String[]{mAccount.name, share.getPath()};
1319         if (getContentProviderClient() != null) {
1320             try {
1321                 getContentProviderClient().delete(share_uri, where, whereArgs);
1322             } catch (RemoteException e) {
1323                 e.printStackTrace();
1324             }
1325         } else {
1326             getContentResolver().delete(share_uri, where, whereArgs);
1327         }
1328     }
1329
1330     public void saveSharesDB(ArrayList<OCShare> shares) {
1331         saveShares(shares);
1332
1333         ArrayList<OCFile> sharedFiles = new ArrayList<OCFile>();
1334
1335         for (OCShare share : shares) {
1336             // Get the path
1337             String path = share.getPath();
1338             if (share.isFolder()) {
1339                 path = path + FileUtils.PATH_SEPARATOR;
1340             }
1341
1342             // Update OCFile with data from share: ShareByLink  and publicLink
1343             OCFile file = getFileByPath(path);
1344             if (file != null) {
1345                 if (share.getShareType().equals(ShareType.PUBLIC_LINK)) {
1346                     file.setShareByLink(true);
1347                     sharedFiles.add(file);
1348                 }
1349             }
1350         }
1351
1352         updateSharedFiles(sharedFiles);
1353     }
1354
1355
1356     public void saveSharesInFolder(ArrayList<OCShare> shares, OCFile folder) {
1357         cleanSharedFilesInFolder(folder);
1358         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1359         operations = prepareRemoveSharesInFolder(folder, operations);
1360
1361         if (shares != null) {
1362             // prepare operations to insert or update files to save in the given folder
1363             for (OCShare share : shares) {
1364                 ContentValues cv = new ContentValues();
1365                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1366                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1367                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1368                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1369                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1370                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1371                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1372                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1373                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1374                 cv.put(
1375                     ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1376                     share.getSharedWithDisplayName()
1377                 );
1378                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1379                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1380                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1381                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1382
1383                 /*
1384                 if (shareExists(share.getIdRemoteShared())) {
1385                     // updating an existing share resource
1386                     operations.add(
1387                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1388                             withValues(cv).
1389                             withSelection(  ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1390                                     new String[] { String.valueOf(share.getIdRemoteShared()) })
1391                                     .build());
1392
1393                 } else {
1394                 */
1395                 // adding a new share resource
1396                 operations.add(
1397                         ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1398                         withValues(cv).
1399                         build()
1400                 );
1401                 //}
1402             }
1403         }
1404
1405         // apply operations in batch
1406         if (operations.size() > 0) {
1407             @SuppressWarnings("unused")
1408             ContentProviderResult[] results = null;
1409             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1410             try {
1411                 if (getContentResolver() != null) {
1412                     results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1413
1414                 } else {
1415                     results = getContentProviderClient().applyBatch(operations);
1416                 }
1417
1418             } catch (OperationApplicationException e) {
1419                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1420
1421             } catch (RemoteException e) {
1422                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1423             }
1424         }
1425         //}
1426
1427     }
1428
1429     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFolder(
1430             OCFile folder, ArrayList<ContentProviderOperation> preparedOperations
1431             ) {
1432         if (folder != null) {
1433             String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND "
1434                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1435             String [] whereArgs = new String[]{ "", mAccount.name };
1436
1437             Vector<OCFile> files = getFolderContent(folder);
1438
1439             for (OCFile file : files) {
1440                 whereArgs[0] = file.getRemotePath();
1441                 preparedOperations.add(
1442                         ContentProviderOperation.newDelete(ProviderTableMeta.CONTENT_URI_SHARE).
1443                         withSelection(where, whereArgs).
1444                         build()
1445                 );
1446             }
1447         }
1448         return preparedOperations;
1449
1450         /*
1451         if (operations.size() > 0) {
1452             try {
1453                 if (getContentResolver() != null) {
1454                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1455
1456                 } else {
1457                     getContentProviderClient().applyBatch(operations);
1458                 }
1459
1460             } catch (OperationApplicationException e) {
1461                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1462
1463             } catch (RemoteException e) {
1464                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1465             }
1466         }
1467         */
1468
1469             /*
1470             if (getContentResolver() != null) {
1471
1472                 getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE,
1473                                             where,
1474                                             whereArgs);
1475             } else {
1476                 try {
1477                     getContentProviderClient().delete(  ProviderTableMeta.CONTENT_URI_SHARE,
1478                                                         where,
1479                                                         whereArgs);
1480
1481                 } catch (RemoteException e) {
1482                     Log_OC.e(TAG, "Exception deleting shares in a folder " + e.getMessage());
1483                 }
1484             }
1485             */
1486         //}
1487     }
1488
1489     public void triggerMediaScan(String path) {
1490         Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
1491         intent.setData(Uri.fromFile(new File(path)));
1492         MainApp.getAppContext().sendBroadcast(intent);
1493     }
1494
1495     public void deleteFileInMediaScan(OCFile file) {
1496
1497         String path = file.getStoragePath();
1498         if (file.isImage()) {
1499             // Images
1500             getContentResolver().delete(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
1501                     MediaStore.Images.Media.DATA + "=?", new String[]{path});
1502         } else if (file.isAudio()) {
1503             // Audio
1504             getContentResolver().delete(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
1505                     MediaStore.Audio.Media.DATA + "=?", new String[]{path});
1506         } else if (file.isVideo()) {
1507             // Video
1508             getContentResolver().delete(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
1509                     MediaStore.Video.Media.DATA + "=?", new String[]{path});
1510         }
1511     }
1512
1513 }