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.Vector;
  27
  28 import com.owncloud.android.MainApp;
  29 import com.owncloud.android.db.ProviderMeta.ProviderTableMeta;
  30 import com.owncloud.android.lib.common.utils.Log_OC;
  31 import com.owncloud.android.lib.resources.shares.OCShare;
  32 import com.owncloud.android.lib.resources.shares.ShareType;
  33 import com.owncloud.android.lib.resources.files.FileUtils;
  34 import com.owncloud.android.utils.FileStorageUtils;
  35
  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.OperationApplicationException;
  45 import android.database.Cursor;
  46 import android.net.Uri;
  47 import android.os.RemoteException;
  48
  49 public class FileDataStorageManager {
  50
  51     public static final int ROOT_PARENT_ID = 0;
  52
  53     private ContentResolver mContentResolver;
  54     private ContentProviderClient mContentProviderClient;
  55     private Account mAccount;
  56
  57     private static String TAG = FileDataStorageManager.class.getSimpleName();
  58
  59
  60     public FileDataStorageManager(Account account, ContentResolver cr) {
  61         mContentProviderClient = null;
  62         mContentResolver = cr;
  63         mAccount = account;
  64     }
  65
  66     public FileDataStorageManager(Account account, ContentProviderClient cp) {
  67         mContentProviderClient = cp;
  68         mContentResolver = null;
  69         mAccount = account;
  70     }
  71
  72
  73     public void setAccount(Account account) {
  74         mAccount = account;
  75     }
  76
  77     public Account getAccount() {
  78         return mAccount;
  79     }
  80
  81     public void setContentResolver(ContentResolver cr) {
  82         mContentResolver = cr;
  83     }
  84
  85     public ContentResolver getContentResolver() {
  86         return mContentResolver;
  87     }
  88
  89     public void setContentProviderClient(ContentProviderClient cp) {
  90         mContentProviderClient = cp;
  91     }
  92
  93     public ContentProviderClient getContentProviderClient() {
  94         return mContentProviderClient;
  95     }
  96
  97
  98     public OCFile getFileByPath(String path) {
  99         Cursor c = getCursorForValue(ProviderTableMeta.FILE_PATH, path);
 100         OCFile file = null;
 101         if (c.moveToFirst()) {
 102             file = createFileInstance(c);
 103         }
 104         c.close();
 105         if (file == null && OCFile.ROOT_PATH.equals(path)) {
 106             return createRootDir(); // root should always exist
 107         }
 108         return file;
 109     }
 110
 111
 112     public OCFile getFileById(long id) {
 113         Cursor c = getCursorForValue(ProviderTableMeta._ID, String.valueOf(id));
 114         OCFile file = null;
 115         if (c.moveToFirst()) {
 116             file = createFileInstance(c);
 117         }
 118         c.close();
 119         return file;
 120     }
 121
 122     public OCFile getFileByLocalPath(String path) {
 123         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 124         OCFile file = null;
 125         if (c.moveToFirst()) {
 126             file = createFileInstance(c);
 127         }
 128         c.close();
 129         return file;
 130     }
 131
 132     public boolean fileExists(long id) {
 133         return fileExists(ProviderTableMeta._ID, String.valueOf(id));
 134     }
 135
 136     public boolean fileExists(String path) {
 137         return fileExists(ProviderTableMeta.FILE_PATH, path);
 138     }
 139
 140
 141     public Vector<OCFile> getFolderContent(OCFile f) {
 142         if (f != null && f.isFolder() && f.getFileId() != -1) {
 143             return getFolderContent(f.getFileId());
 144
 145         } else {
 146             return new Vector<OCFile>();
 147         }
 148     }
 149
 150
 151     public Vector<OCFile> getFolderImages(OCFile folder) {
 152         Vector<OCFile> ret = new Vector<OCFile>();
 153         if (folder != null) {
 154             // TODO better implementation, filtering in the access to database instead of here
 155             Vector<OCFile> tmp = getFolderContent(folder);
 156             OCFile current = null;
 157             for (int i=0; i<tmp.size(); i++) {
 158                 current = tmp.get(i);
 159                 if (current.isImage()) {
 160                     ret.add(current);
 161                 }
 162             }
 163         }
 164         return ret;
 165     }
 166
 167
 168     public boolean saveFile(OCFile file) {
 169         boolean overriden = false;
 170         ContentValues cv = new ContentValues();
 171         cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 172         cv.put(
 173             ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 174             file.getModificationTimestampAtLastSyncForData()
 175         );
 176         cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 177         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 178         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 179         cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 180         //if (file.getParentId() != DataStorageManager.ROOT_PARENT_ID)
 181             cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 182         cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 183         if (!file.isFolder())
 184             cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 185         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 186         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 187         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 188         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
 189         cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 190         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
 191         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 192         cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 193         cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 194         cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
 195
 196         boolean sameRemotePath = fileExists(file.getRemotePath());
 197         if (sameRemotePath ||
 198                 fileExists(file.getFileId())        ) {  // for renamed files
 199
 200             OCFile oldFile = null;
 201             if (sameRemotePath) {
 202                 oldFile = getFileByPath(file.getRemotePath());
 203                 file.setFileId(oldFile.getFileId());
 204             } else {
 205                 oldFile = getFileById(file.getFileId());
 206             }
 207
 208             overriden = true;
 209             if (getContentResolver() != null) {
 210                 getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv,
 211                         ProviderTableMeta._ID + "=?",
 212                         new String[] { String.valueOf(file.getFileId()) });
 213             } else {
 214                 try {
 215                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI,
 216                             cv, ProviderTableMeta._ID + "=?",
 217                             new String[] { String.valueOf(file.getFileId()) });
 218                 } catch (RemoteException e) {
 219                     Log_OC.e(TAG,
 220                             "Fail to insert insert file to database "
 221                                     + e.getMessage());
 222                 }
 223             }
 224         } else {
 225             Uri result_uri = null;
 226             if (getContentResolver() != null) {
 227                 result_uri = getContentResolver().insert(
 228                         ProviderTableMeta.CONTENT_URI_FILE, cv);
 229             } else {
 230                 try {
 231                     result_uri = getContentProviderClient().insert(
 232                             ProviderTableMeta.CONTENT_URI_FILE, cv);
 233                 } catch (RemoteException e) {
 234                     Log_OC.e(TAG,
 235                             "Fail to insert insert file to database "
 236                                     + e.getMessage());
 237                 }
 238             }
 239             if (result_uri != null) {
 240                 long new_id = Long.parseLong(result_uri.getPathSegments()
 241                         .get(1));
 242                 file.setFileId(new_id);
 243             }
 244         }
 245
 246 //        if (file.isFolder()) {
 247 //            updateFolderSize(file.getFileId());
 248 //        } else {
 249 //            updateFolderSize(file.getParentId());
 250 //        }
 251
 252         return overriden;
 253     }
 254
 255
 256     /**
 257      * Inserts or updates the list of files contained in a given folder.
 258      *
 259      * CALLER IS THE RESPONSIBLE FOR GRANTING RIGHT UPDATE OF INFORMATION, NOT THIS METHOD.
 260      * HERE ONLY DATA CONSISTENCY SHOULD BE GRANTED
 261      *
 262      * @param folder
 263      * @param files
 264      * @param removeNotUpdated
 265      */
 266     public void saveFolder(
 267             OCFile folder, Collection<OCFile> updatedFiles, Collection<OCFile> filesToRemove
 268         ) {
 269
 270         Log_OC.d(TAG,  "Saving folder " + folder.getRemotePath() + " with " + updatedFiles.size()
 271                 + " children and " + filesToRemove.size() + " files to remove");
 272
 273         ArrayList<ContentProviderOperation> operations =
 274                 new ArrayList<ContentProviderOperation>(updatedFiles.size());
 275
 276         // prepare operations to insert or update files to save in the given folder
 277         for (OCFile file : updatedFiles) {
 278             ContentValues cv = new ContentValues();
 279             cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 280             cv.put(
 281                 ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 282                 file.getModificationTimestampAtLastSyncForData()
 283             );
 284             cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 285             cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 286             cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 287             cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 288             //cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 289             cv.put(ProviderTableMeta.FILE_PARENT, folder.getFileId());
 290             cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 291             if (!file.isFolder()) {
 292                 cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 293             }
 294             cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 295             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 296             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 297             cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
 298             cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 299             cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
 300             cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 301             cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 302             cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 303             cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
 304
 305             boolean existsByPath = fileExists(file.getRemotePath());
 306             if (existsByPath || fileExists(file.getFileId())) {
 307                 // updating an existing file
 308                 operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 309                         withValues(cv).
 310                         withSelection(  ProviderTableMeta._ID + "=?",
 311                                 new String[] { String.valueOf(file.getFileId()) })
 312                                 .build());
 313
 314             } else {
 315                 // adding a new file
 316                 operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
 317                         withValues(cv).build());
 318             }
 319         }
 320
 321         // prepare operations to remove files in the given folder
 322         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 323                 ProviderTableMeta.FILE_PATH + "=?";
 324         String [] whereArgs = null;
 325         for (OCFile file : filesToRemove) {
 326             if (file.getParentId() == folder.getFileId()) {
 327                 whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 328                 //Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE, "" + file.getFileId());
 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                         new File(file.getStoragePath()).delete();
 350                     }
 351                 }
 352             }
 353         }
 354
 355         // update metadata of folder
 356         ContentValues cv = new ContentValues();
 357         cv.put(ProviderTableMeta.FILE_MODIFIED, folder.getModificationTimestamp());
 358         cv.put(
 359             ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 360             folder.getModificationTimestampAtLastSyncForData()
 361         );
 362         cv.put(ProviderTableMeta.FILE_CREATION, folder.getCreationTimestamp());
 363         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, 0);
 364         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, folder.getMimetype());
 365         cv.put(ProviderTableMeta.FILE_NAME, folder.getFileName());
 366         cv.put(ProviderTableMeta.FILE_PARENT, folder.getParentId());
 367         cv.put(ProviderTableMeta.FILE_PATH, folder.getRemotePath());
 368         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 369         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, folder.getLastSyncDateForProperties());
 370         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, folder.getLastSyncDateForData());
 371         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, folder.keepInSync() ? 1 : 0);
 372         cv.put(ProviderTableMeta.FILE_ETAG, folder.getEtag());
 373         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, folder.isShareByLink() ? 1 : 0);
 374         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, folder.getPublicLink());
 375         cv.put(ProviderTableMeta.FILE_PERMISSIONS, folder.getPermissions());
 376         cv.put(ProviderTableMeta.FILE_REMOTE_ID, folder.getRemoteId());
 377
 378         operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 379                 withValues(cv).
 380                 withSelection(  ProviderTableMeta._ID + "=?",
 381                         new String[] { String.valueOf(folder.getFileId()) })
 382                         .build());
 383
 384         // apply operations in batch
 385         ContentProviderResult[] results = null;
 386         Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
 387         try {
 388             if (getContentResolver() != null) {
 389                 results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 390
 391             } else {
 392                 results = getContentProviderClient().applyBatch(operations);
 393             }
 394
 395         } catch (OperationApplicationException e) {
 396             Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
 397
 398         } catch (RemoteException e) {
 399             Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
 400         }
 401
 402         // update new id in file objects for insertions
 403         if (results != null) {
 404             long newId;
 405             Iterator<OCFile> filesIt = updatedFiles.iterator();
 406             OCFile file = null;
 407             for (int i=0; i<results.length; i++) {
 408                 if (filesIt.hasNext()) {
 409                     file = filesIt.next();
 410                 } else {
 411                     file = null;
 412                 }
 413                 if (results[i].uri != null) {
 414                     newId = Long.parseLong(results[i].uri.getPathSegments().get(1));
 415                     //updatedFiles.get(i).setFileId(newId);
 416                     if (file != null) {
 417                         file.setFileId(newId);
 418                     }
 419                 }
 420             }
 421         }
 422
 423         //updateFolderSize(folder.getFileId());
 424
 425     }
 426
 427
 428 //    /**
 429 //     *
 430 //     * @param id
 431 //     */
 432 //    private void updateFolderSize(long id) {
 433 //        if (id > FileDataStorageManager.ROOT_PARENT_ID) {
 434 //            Log_OC.d(TAG, "Updating size of " + id);
 435 //            if (getContentResolver() != null) {
 436 //                getContentResolver().update(ProviderTableMeta.CONTENT_URI_DIR,
 437 //                        new ContentValues(),
 438                             // won't be used, but cannot be null; crashes in KLP
 439 //                        ProviderTableMeta._ID + "=?",
 440 //                        new String[] { String.valueOf(id) });
 441 //            } else {
 442 //                try {
 443 //                    getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_DIR,
 444 //                            new ContentValues(),
 445                                 // won't be used, but cannot be null; crashes in KLP
 446 //                            ProviderTableMeta._ID + "=?",
 447 //                            new String[] { String.valueOf(id) });
 448 //
 449 //                } catch (RemoteException e) {
 450 //                    Log_OC.e(
 451 //    TAG, "Exception in update of folder size through compatibility patch " + e.getMessage());
 452 //                }
 453 //            }
 454 //        } else {
 455 //            Log_OC.e(TAG,  "not updating size for folder " + id);
 456 //        }
 457 //    }
 458
 459
 460     public boolean removeFile(OCFile file, boolean removeDBData, boolean removeLocalCopy) {
 461         boolean success = true;
 462         if (file != null) {
 463             if (file.isFolder()) {
 464                 success = removeFolder(file, removeDBData, removeLocalCopy);
 465
 466             } else {
 467                 if (removeDBData) {
 468                     Uri file_uri = ContentUris.withAppendedId(
 469                         ProviderTableMeta.CONTENT_URI_FILE,
 470                         file.getFileId()
 471                     );
 472                     String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 473                             ProviderTableMeta.FILE_PATH + "=?";
 474                     String [] whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 475                     int deleted = 0;
 476                     if (getContentProviderClient() != null) {
 477                         try {
 478                             deleted = getContentProviderClient().delete(file_uri, where, whereArgs);
 479                         } catch (RemoteException e) {
 480                             e.printStackTrace();
 481                         }
 482                     } else {
 483                         deleted = getContentResolver().delete(file_uri, where, whereArgs);
 484                     }
 485                     success &= (deleted > 0);
 486                 }
 487                 if (removeLocalCopy && file.isDown() && file.getStoragePath() != null && success) {
 488                     success = new File(file.getStoragePath()).delete();
 489                     if (!removeDBData && success) {
 490                         // maybe unnecessary, but should be checked TODO remove if unnecessary
 491                         file.setStoragePath(null);
 492                         saveFile(file);
 493                     }
 494                 }
 495             }
 496         }
 497         return success;
 498     }
 499
 500
 501     public boolean removeFolder(OCFile folder, boolean removeDBData, boolean removeLocalContent) {
 502         boolean success = true;
 503         if (folder != null && folder.isFolder()) {
 504             if (removeDBData &&  folder.getFileId() != -1) {
 505                 success = removeFolderInDb(folder);
 506             }
 507             if (removeLocalContent && success) {
 508                 success = removeLocalFolder(folder);
 509             }
 510         }
 511         return success;
 512     }
 513
 514     private boolean removeFolderInDb(OCFile folder) {
 515         Uri folder_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, "" +
 516                 folder.getFileId());   // URI for recursive deletion
 517         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 518                 ProviderTableMeta.FILE_PATH + "=?";
 519         String [] whereArgs = new String[]{mAccount.name, folder.getRemotePath()};
 520         int deleted = 0;
 521         if (getContentProviderClient() != null) {
 522             try {
 523                 deleted = getContentProviderClient().delete(folder_uri, where, whereArgs);
 524             } catch (RemoteException e) {
 525                 e.printStackTrace();
 526             }
 527         } else {
 528             deleted = getContentResolver().delete(folder_uri, where, whereArgs);
 529         }
 530         return deleted > 0;
 531     }
 532
 533     private boolean removeLocalFolder(OCFile folder) {
 534         boolean success = true;
 535         File localFolder = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, folder));
 536         if (localFolder.exists()) {
 537             // stage 1: remove the local files already registered in the files database
 538             Vector<OCFile> files = getFolderContent(folder.getFileId());
 539             if (files != null) {
 540                 for (OCFile file : files) {
 541                     if (file.isFolder()) {
 542                         success &= removeLocalFolder(file);
 543                     } else {
 544                         if (file.isDown()) {
 545                             File localFile = new File(file.getStoragePath());
 546                             success &= localFile.delete();
 547                             if (success) {
 548                                 file.setStoragePath(null);
 549                                 saveFile(file);
 550                             }
 551                         }
 552                     }
 553                 }
 554             }
 555
 556             // stage 2: remove the folder itself and any local file inside out of sync;
 557             //          for instance, after clearing the app cache or reinstalling
 558             success &= removeLocalFolder(localFolder);
 559         }
 560         return success;
 561     }
 562
 563     private boolean removeLocalFolder(File localFolder) {
 564         boolean success = true;
 565         File[] localFiles = localFolder.listFiles();
 566         if (localFiles != null) {
 567             for (File localFile : localFiles) {
 568                 if (localFile.isDirectory()) {
 569                     success &= removeLocalFolder(localFile);
 570                 } else {
 571                     success &= localFile.delete();
 572                 }
 573             }
 574         }
 575         success &= localFolder.delete();
 576         return success;
 577     }
 578
 579     /**
 580      * Updates database for a folder that was moved to a different location.
 581      *
 582      * TODO explore better (faster) implementations
 583      * TODO throw exceptions up !
 584      */
 585     public void moveFolder(OCFile folder, String newPath) {
 586         // TODO check newPath
 587
 588         if (    folder != null && folder.isFolder() &&
 589                 folder.fileExists() && !OCFile.ROOT_PATH.equals(folder.getFileName())
 590             ) {
 591             /// 1. get all the descendants of 'dir' in a single QUERY (including 'dir')
 592             Cursor c = null;
 593             if (getContentProviderClient() != null) {
 594                 try {
 595                     c = getContentProviderClient().query (
 596                         ProviderTableMeta.CONTENT_URI,
 597                         null,
 598                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 599                                 ProviderTableMeta.FILE_PATH + " LIKE ? ",
 600                         new String[] { mAccount.name, folder.getRemotePath() + "%"  },
 601                         ProviderTableMeta.FILE_PATH + " ASC "
 602                     );
 603                 } catch (RemoteException e) {
 604                     Log_OC.e(TAG, e.getMessage());
 605                 }
 606             } else {
 607                 c = getContentResolver().query (
 608                     ProviderTableMeta.CONTENT_URI,
 609                     null,
 610                     ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 611                             ProviderTableMeta.FILE_PATH + " LIKE ? ",
 612                     new String[] { mAccount.name, folder.getRemotePath() + "%"  },
 613                     ProviderTableMeta.FILE_PATH + " ASC "
 614                 );
 615             }
 616
 617             /// 2. prepare a batch of update operations to change all the descendants
 618             ArrayList<ContentProviderOperation> operations =
 619                     new ArrayList<ContentProviderOperation>(c.getCount());
 620             int lengthOfOldPath = folder.getRemotePath().length();
 621             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 622             int lengthOfOldStoragePath = defaultSavePath.length() + lengthOfOldPath;
 623             if (c.moveToFirst()) {
 624                 do {
 625                     ContentValues cv = new ContentValues(); // keep the constructor in the loop
 626                     OCFile child = createFileInstance(c);
 627                     cv.put(
 628                         ProviderTableMeta.FILE_PATH,
 629                         newPath + child.getRemotePath().substring(lengthOfOldPath)
 630                     );
 631                     if (    child.getStoragePath() != null &&
 632                             child.getStoragePath().startsWith(defaultSavePath)  ) {
 633                         cv.put(
 634                                 ProviderTableMeta.FILE_STORAGE_PATH,
 635                                 defaultSavePath + newPath +
 636                                     child.getStoragePath().substring(lengthOfOldStoragePath)
 637                         );
 638                     }
 639                     operations.add(
 640                             ContentProviderOperation.
 641                             newUpdate(ProviderTableMeta.CONTENT_URI).
 642                             withValues(cv).
 643                             withSelection(
 644                                     ProviderTableMeta._ID + "=?",
 645                                     new String[] { String.valueOf(child.getFileId()) }
 646                             ).
 647                             build()
 648                     );
 649                 } while (c.moveToNext());
 650             }
 651             c.close();
 652
 653             /// 3. apply updates in batch
 654             try {
 655                 if (getContentResolver() != null) {
 656                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 657
 658                 } else {
 659                     getContentProviderClient().applyBatch(operations);
 660                 }
 661
 662             } catch (OperationApplicationException e) {
 663                 Log_OC.e(TAG, "Fail to update descendants of " +
 664                         folder.getFileId() + " in database", e);
 665
 666             } catch (RemoteException e) {
 667                 Log_OC.e(TAG, "Fail to update desendants of " +
 668                         folder.getFileId() + " in database", e);
 669             }
 670
 671         }
 672     }
 673
 674
 675     public void moveLocalFile(OCFile file, String targetPath, String targetParentPath) {
 676
 677         if (file != null && file.fileExists() && !OCFile.ROOT_PATH.equals(file.getFileName())) {
 678
 679             OCFile targetParent = getFileByPath(targetParentPath);
 680             if (targetParent == null) {
 681                 // TODO panic
 682             }
 683
 684             /// 1. get all the descendants of the moved element in a single QUERY
 685             Cursor c = null;
 686             if (getContentProviderClient() != null) {
 687                 try {
 688                     c = getContentProviderClient().query(
 689                         ProviderTableMeta.CONTENT_URI,
 690                         null,
 691                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 692                                 ProviderTableMeta.FILE_PATH + " LIKE ? ",
 693                         new String[] {
 694                                 mAccount.name,
 695                                 file.getRemotePath() + "%"
 696                         },
 697                         ProviderTableMeta.FILE_PATH + " ASC "
 698                     );
 699                 } catch (RemoteException e) {
 700                     Log_OC.e(TAG, e.getMessage());
 701                 }
 702
 703             } else {
 704                 c = getContentResolver().query(
 705                     ProviderTableMeta.CONTENT_URI,
 706                     null,
 707                     ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 708                             ProviderTableMeta.FILE_PATH + " LIKE ? ",
 709                     new String[] {
 710                             mAccount.name,
 711                             file.getRemotePath() + "%"
 712                     },
 713                     ProviderTableMeta.FILE_PATH + " ASC "
 714                 );
 715             }
 716
 717             /// 2. prepare a batch of update operations to change all the descendants
 718             ArrayList<ContentProviderOperation> operations =
 719                     new ArrayList<ContentProviderOperation>(c.getCount());
 720             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 721             if (c.moveToFirst()) {
 722                 int lengthOfOldPath = file.getRemotePath().length();
 723                 int lengthOfOldStoragePath = defaultSavePath.length() + lengthOfOldPath;
 724                 do {
 725                     ContentValues cv = new ContentValues(); // keep construction in the loop
 726                     OCFile child = createFileInstance(c);
 727                     cv.put(
 728                         ProviderTableMeta.FILE_PATH,
 729                         targetPath + child.getRemotePath().substring(lengthOfOldPath)
 730                     );
 731                     if (child.getStoragePath() != null &&
 732                             child.getStoragePath().startsWith(defaultSavePath)) {
 733                         // update link to downloaded content - but local move is not done here!
 734                         cv.put(
 735                             ProviderTableMeta.FILE_STORAGE_PATH,
 736                             defaultSavePath + targetPath +
 737                                 child.getStoragePath().substring(lengthOfOldStoragePath)
 738                         );
 739                     }
 740                     if (child.getRemotePath().equals(file.getRemotePath())) {
 741                         cv.put(
 742                                 ProviderTableMeta.FILE_PARENT,
 743                                 targetParent.getFileId()
 744                             );
 745                     }
 746                     operations.add(
 747                         ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 748                             withValues(cv).
 749                             withSelection(
 750                                     ProviderTableMeta._ID + "=?",
 751                                     new String[] { String.valueOf(child.getFileId()) }
 752                                     )
 753                             .build());
 754
 755                 } while (c.moveToNext());
 756             }
 757             c.close();
 758
 759             /// 3. apply updates in batch
 760             try {
 761                 if (getContentResolver() != null) {
 762                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 763
 764                 } else {
 765                     getContentProviderClient().applyBatch(operations);
 766                 }
 767
 768             } catch (Exception e) {
 769                 Log_OC.e(
 770                     TAG,
 771                     "Fail to update " + file.getFileId() + " and descendants in database",
 772                     e
 773                 );
 774             }
 775
 776             /// 4. move in local file system
 777             String localPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, file);
 778             File localFile = new File(localPath);
 779             boolean renamed = false;
 780             if (localFile.exists()) {
 781                 File targetFile = new File(defaultSavePath + targetPath);
 782                 File targetFolder = targetFile.getParentFile();
 783                 if (!targetFolder.exists()) {
 784                     targetFolder.mkdirs();
 785                 }
 786                 renamed = localFile.renameTo(targetFile);
 787             }
 788             Log_OC.d(TAG, "Local file RENAMED : " + renamed);
 789
 790         }
 791
 792     }
 793
 794
 795     private Vector<OCFile> getFolderContent(long parentId) {
 796
 797         Vector<OCFile> ret = new Vector<OCFile>();
 798
 799         Uri req_uri = Uri.withAppendedPath(
 800                 ProviderTableMeta.CONTENT_URI_DIR,
 801                 String.valueOf(parentId));
 802         Cursor c = null;
 803
 804         if (getContentProviderClient() != null) {
 805             try {
 806                 c = getContentProviderClient().query(req_uri, null,
 807                         ProviderTableMeta.FILE_PARENT + "=?" ,
 808                         new String[] { String.valueOf(parentId)}, null);
 809             } catch (RemoteException e) {
 810                 Log_OC.e(TAG, e.getMessage());
 811                 return ret;
 812             }
 813         } else {
 814             c = getContentResolver().query(req_uri, null,
 815                     ProviderTableMeta.FILE_PARENT + "=?" ,
 816                     new String[] { String.valueOf(parentId)}, null);
 817         }
 818
 819         if (c.moveToFirst()) {
 820             do {
 821                 OCFile child = createFileInstance(c);
 822                 ret.add(child);
 823             } while (c.moveToNext());
 824         }
 825
 826         c.close();
 827
 828         Collections.sort(ret);
 829
 830         return ret;
 831     }
 832
 833
 834     private OCFile createRootDir() {
 835         OCFile file = new OCFile(OCFile.ROOT_PATH);
 836         file.setMimetype("DIR");
 837         file.setParentId(FileDataStorageManager.ROOT_PARENT_ID);
 838         saveFile(file);
 839         return file;
 840     }
 841
 842     private boolean fileExists(String cmp_key, String value) {
 843         Cursor c;
 844         if (getContentResolver() != null) {
 845             c = getContentResolver()
 846                     .query(ProviderTableMeta.CONTENT_URI,
 847                             null,
 848                             cmp_key + "=? AND "
 849                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 850                                     + "=?",
 851                                     new String[] { value, mAccount.name }, null);
 852         } else {
 853             try {
 854                 c = getContentProviderClient().query(
 855                         ProviderTableMeta.CONTENT_URI,
 856                         null,
 857                         cmp_key + "=? AND "
 858                                 + ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
 859                                 new String[] { value, mAccount.name }, null);
 860             } catch (RemoteException e) {
 861                 Log_OC.e(TAG,
 862                         "Couldn't determine file existance, assuming non existance: "
 863                                 + e.getMessage());
 864                 return false;
 865             }
 866         }
 867         boolean retval = c.moveToFirst();
 868         c.close();
 869         return retval;
 870     }
 871
 872     private Cursor getCursorForValue(String key, String value) {
 873         Cursor c = null;
 874         if (getContentResolver() != null) {
 875             c = getContentResolver()
 876                     .query(ProviderTableMeta.CONTENT_URI,
 877                             null,
 878                             key + "=? AND "
 879                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 880                                     + "=?",
 881                                     new String[] { value, mAccount.name }, null);
 882         } else {
 883             try {
 884                 c = getContentProviderClient().query(
 885                         ProviderTableMeta.CONTENT_URI,
 886                         null,
 887                         key + "=? AND " + ProviderTableMeta.FILE_ACCOUNT_OWNER
 888                         + "=?", new String[] { value, mAccount.name },
 889                         null);
 890             } catch (RemoteException e) {
 891                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 892                 c = null;
 893             }
 894         }
 895         return c;
 896     }
 897
 898
 899     private OCFile createFileInstance(Cursor c) {
 900         OCFile file = null;
 901         if (c != null) {
 902             file = new OCFile(c.getString(c
 903                     .getColumnIndex(ProviderTableMeta.FILE_PATH)));
 904             file.setFileId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
 905             file.setParentId(c.getLong(c
 906                     .getColumnIndex(ProviderTableMeta.FILE_PARENT)));
 907             file.setMimetype(c.getString(c
 908                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE)));
 909             if (!file.isFolder()) {
 910                 file.setStoragePath(c.getString(c
 911                         .getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH)));
 912                 if (file.getStoragePath() == null) {
 913                     // try to find existing file and bind it with current account;
 914                     // with the current update of SynchronizeFolderOperation, this won't be
 915                     // necessary anymore after a full synchronization of the account
 916                     File f = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 917                     if (f.exists()) {
 918                         file.setStoragePath(f.getAbsolutePath());
 919                         file.setLastSyncDateForData(f.lastModified());
 920                     }
 921                 }
 922             }
 923             file.setFileLength(c.getLong(c
 924                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH)));
 925             file.setCreationTimestamp(c.getLong(c
 926                     .getColumnIndex(ProviderTableMeta.FILE_CREATION)));
 927             file.setModificationTimestamp(c.getLong(c
 928                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED)));
 929             file.setModificationTimestampAtLastSyncForData(c.getLong(c
 930                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA)));
 931             file.setLastSyncDateForProperties(c.getLong(c
 932                     .getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE)));
 933             file.setLastSyncDateForData(c.getLong(c.
 934                     getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA)));
 935             file.setKeepInSync(c.getInt(
 936                     c.getColumnIndex(ProviderTableMeta.FILE_KEEP_IN_SYNC)) == 1 ? true : false);
 937             file.setEtag(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG)));
 938             file.setShareByLink(c.getInt(
 939                     c.getColumnIndex(ProviderTableMeta.FILE_SHARE_BY_LINK)) == 1 ? true : false);
 940             file.setPublicLink(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PUBLIC_LINK)));
 941             file.setPermissions(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PERMISSIONS)));
 942             file.setRemoteId(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_REMOTE_ID)));
 943             file.setNeedsUpdateThumbnail(c.getInt(
 944                     c.getColumnIndex(ProviderTableMeta.FILE_UPDATE_THUMBNAIL)) == 1 ? true : false);
 945
 946         }
 947         return file;
 948     }
 949
 950     /**
 951      * Returns if the file/folder is shared by link or not
 952      * @param path  Path of the file/folder
 953      * @return
 954      */
 955     public boolean isShareByLink(String path) {
 956         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 957         OCFile file = null;
 958         if (c.moveToFirst()) {
 959             file = createFileInstance(c);
 960         }
 961         c.close();
 962         return file.isShareByLink();
 963     }
 964
 965     /**
 966      * Returns the public link of the file/folder
 967      * @param path  Path of the file/folder
 968      * @return
 969      */
 970     public String getPublicLink(String path) {
 971         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 972         OCFile file = null;
 973         if (c.moveToFirst()) {
 974             file = createFileInstance(c);
 975         }
 976         c.close();
 977         return file.getPublicLink();
 978     }
 979
 980
 981     // Methods for Shares
 982     public boolean saveShare(OCShare share) {
 983         boolean overriden = false;
 984         ContentValues cv = new ContentValues();
 985         cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
 986         cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
 987         cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
 988         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
 989         cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
 990         cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
 991         cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
 992         cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
 993         cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
 994         cv.put(
 995             ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
 996             share.getSharedWithDisplayName()
 997         );
 998         cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
 999         cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1000         cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1001         cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1002
1003         if (shareExists(share.getIdRemoteShared())) {   // for renamed files
1004
1005             overriden = true;
1006             if (getContentResolver() != null) {
1007                 getContentResolver().update(ProviderTableMeta.CONTENT_URI_SHARE, cv,
1008                         ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1009                         new String[] { String.valueOf(share.getIdRemoteShared()) });
1010             } else {
1011                 try {
1012                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_SHARE,
1013                             cv, ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1014                             new String[] { String.valueOf(share.getIdRemoteShared()) });
1015                 } catch (RemoteException e) {
1016                     Log_OC.e(TAG,
1017                             "Fail to insert insert file to database "
1018                                     + e.getMessage());
1019                 }
1020             }
1021         } else {
1022             Uri result_uri = null;
1023             if (getContentResolver() != null) {
1024                 result_uri = getContentResolver().insert(
1025                         ProviderTableMeta.CONTENT_URI_SHARE, cv);
1026             } else {
1027                 try {
1028                     result_uri = getContentProviderClient().insert(
1029                             ProviderTableMeta.CONTENT_URI_SHARE, cv);
1030                 } catch (RemoteException e) {
1031                     Log_OC.e(TAG,
1032                             "Fail to insert insert file to database "
1033                                     + e.getMessage());
1034                 }
1035             }
1036             if (result_uri != null) {
1037                 long new_id = Long.parseLong(result_uri.getPathSegments()
1038                         .get(1));
1039                 share.setId(new_id);
1040             }
1041         }
1042
1043         return overriden;
1044     }
1045
1046
1047     public OCShare getFirstShareByPathAndType(String path, ShareType type) {
1048         Cursor c = null;
1049         if (getContentResolver() != null) {
1050             c = getContentResolver().query(
1051                     ProviderTableMeta.CONTENT_URI_SHARE,
1052                     null,
1053                     ProviderTableMeta.OCSHARES_PATH + "=? AND "
1054                             + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
1055                             + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1056                     new String[] { path, Integer.toString(type.getValue()), mAccount.name },
1057                     null);
1058         } else {
1059             try {
1060                 c = getContentProviderClient().query(
1061                         ProviderTableMeta.CONTENT_URI_SHARE,
1062                         null,
1063                         ProviderTableMeta.OCSHARES_PATH + "=? AND "
1064                                 + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
1065                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1066                         new String[] { path, Integer.toString(type.getValue()), mAccount.name },
1067                         null);
1068
1069             } catch (RemoteException e) {
1070                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
1071                 c = null;
1072             }
1073         }
1074         OCShare share = null;
1075         if (c.moveToFirst()) {
1076             share = createShareInstance(c);
1077         }
1078         c.close();
1079         return share;
1080     }
1081
1082     private OCShare createShareInstance(Cursor c) {
1083         OCShare share = null;
1084         if (c != null) {
1085             share = new OCShare(c.getString(c
1086                     .getColumnIndex(ProviderTableMeta.OCSHARES_PATH)));
1087             share.setId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
1088             share.setFileSource(c.getLong(c
1089                     .getColumnIndex(ProviderTableMeta.OCSHARES_ITEM_SOURCE)));
1090             share.setShareType(ShareType.fromValue(c.getInt(c
1091                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_TYPE))));
1092             share.setPermissions(c.getInt(c
1093                     .getColumnIndex(ProviderTableMeta.OCSHARES_PERMISSIONS)));
1094             share.setSharedDate(c.getLong(c
1095                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARED_DATE)));
1096             share.setExpirationDate(c.getLong(c
1097                     .getColumnIndex(ProviderTableMeta.OCSHARES_EXPIRATION_DATE)));
1098             share.setToken(c.getString(c
1099                     .getColumnIndex(ProviderTableMeta.OCSHARES_TOKEN)));
1100             share.setSharedWithDisplayName(c.getString(c
1101                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME)));
1102             share.setIsFolder(c.getInt(
1103                     c.getColumnIndex(ProviderTableMeta.OCSHARES_IS_DIRECTORY)) == 1 ? true : false);
1104             share.setUserId(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_USER_ID)));
1105             share.setIdRemoteShared(
1106                 c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED))
1107             );
1108
1109         }
1110         return share;
1111     }
1112
1113     private boolean shareExists(String cmp_key, String value) {
1114         Cursor c;
1115         if (getContentResolver() != null) {
1116             c = getContentResolver()
1117                     .query(ProviderTableMeta.CONTENT_URI_SHARE,
1118                             null,
1119                             cmp_key + "=? AND "
1120                                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
1121                                     + "=?",
1122                                     new String[] { value, mAccount.name }, null);
1123         } else {
1124             try {
1125                 c = getContentProviderClient().query(
1126                         ProviderTableMeta.CONTENT_URI_SHARE,
1127                         null,
1128                         cmp_key + "=? AND "
1129                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1130                                 new String[] { value, mAccount.name }, null);
1131             } catch (RemoteException e) {
1132                 Log_OC.e(TAG,
1133                         "Couldn't determine file existance, assuming non existance: "
1134                                 + e.getMessage());
1135                 return false;
1136             }
1137         }
1138         boolean retval = c.moveToFirst();
1139         c.close();
1140         return retval;
1141     }
1142
1143     private boolean shareExists(long remoteId) {
1144         return shareExists(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, String.valueOf(remoteId));
1145     }
1146
1147     private void cleanSharedFiles() {
1148         ContentValues cv = new ContentValues();
1149         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
1150         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1151         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?";
1152         String [] whereArgs = new String[]{mAccount.name};
1153
1154         if (getContentResolver() != null) {
1155             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1156
1157         } else {
1158             try {
1159                 getContentProviderClient().update(
1160                         ProviderTableMeta.CONTENT_URI, cv, where, whereArgs
1161                 );
1162
1163             } catch (RemoteException e) {
1164                 Log_OC.e(TAG, "Exception in cleanSharedFiles" + e.getMessage());
1165             }
1166         }
1167     }
1168
1169     private void cleanSharedFilesInFolder(OCFile folder) {
1170         ContentValues cv = new ContentValues();
1171         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
1172         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1173         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1174                 ProviderTableMeta.FILE_PARENT + "=?";
1175         String [] whereArgs = new String[] { mAccount.name , String.valueOf(folder.getFileId()) };
1176
1177         if (getContentResolver() != null) {
1178             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1179
1180         } else {
1181             try {
1182                 getContentProviderClient().update(
1183                         ProviderTableMeta.CONTENT_URI, cv, where, whereArgs
1184                 );
1185
1186             } catch (RemoteException e) {
1187                 Log_OC.e(TAG, "Exception in cleanSharedFilesInFolder " + e.getMessage());
1188             }
1189         }
1190     }
1191
1192     private void cleanShares() {
1193         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1194         String [] whereArgs = new String[]{mAccount.name};
1195
1196         if (getContentResolver() != null) {
1197             getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1198
1199         } else {
1200             try {
1201                 getContentProviderClient().delete(
1202                         ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs
1203                 );
1204
1205             } catch (RemoteException e) {
1206                 Log_OC.e(TAG, "Exception in cleanShares" + e.getMessage());
1207             }
1208         }
1209     }
1210
1211     public void saveShares(Collection<OCShare> shares) {
1212         cleanShares();
1213         if (shares != null) {
1214             ArrayList<ContentProviderOperation> operations =
1215                     new ArrayList<ContentProviderOperation>(shares.size());
1216
1217             // prepare operations to insert or update files to save in the given folder
1218             for (OCShare share : shares) {
1219                 ContentValues cv = new ContentValues();
1220                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1221                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1222                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1223                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1224                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1225                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1226                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1227                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1228                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1229                 cv.put(
1230                     ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1231                     share.getSharedWithDisplayName()
1232                 );
1233                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1234                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1235                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1236                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1237
1238                 if (shareExists(share.getIdRemoteShared())) {
1239                     // updating an existing file
1240                     operations.add(
1241                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1242                             withValues(cv).
1243                             withSelection(
1244                                     ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1245                                     new String[] { String.valueOf(share.getIdRemoteShared()) }
1246                             ).
1247                             build()
1248                     );
1249
1250                 } else {
1251                     // adding a new file
1252                     operations.add(
1253                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1254                             withValues(cv).
1255                             build()
1256                     );
1257                 }
1258             }
1259
1260             // apply operations in batch
1261             if (operations.size() > 0) {
1262                 @SuppressWarnings("unused")
1263                 ContentProviderResult[] results = null;
1264                 Log_OC.d(TAG, "Sending " + operations.size() +
1265                         " operations to FileContentProvider");
1266                 try {
1267                     if (getContentResolver() != null) {
1268                         results = getContentResolver().applyBatch(
1269                                 MainApp.getAuthority(), operations
1270                         );
1271
1272                     } else {
1273                         results = getContentProviderClient().applyBatch(operations);
1274                     }
1275
1276                 } catch (OperationApplicationException e) {
1277                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1278
1279                 } catch (RemoteException e) {
1280                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1281                 }
1282             }
1283         }
1284
1285     }
1286
1287     public void updateSharedFiles(Collection<OCFile> sharedFiles) {
1288         cleanSharedFiles();
1289
1290         if (sharedFiles != null) {
1291             ArrayList<ContentProviderOperation> operations =
1292                     new ArrayList<ContentProviderOperation>(sharedFiles.size());
1293
1294             // prepare operations to insert or update files to save in the given folder
1295             for (OCFile file : sharedFiles) {
1296                 ContentValues cv = new ContentValues();
1297                 cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
1298                 cv.put(
1299                     ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
1300                     file.getModificationTimestampAtLastSyncForData()
1301                 );
1302                 cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
1303                 cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
1304                 cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
1305                 cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
1306                 cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
1307                 cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
1308                 if (!file.isFolder()) {
1309                     cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
1310                 }
1311                 cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
1312                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
1313                 cv.put(
1314                     ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA,
1315                     file.getLastSyncDateForData()
1316                 );
1317                 cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
1318                 cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
1319                 cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
1320                 cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
1321                 cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
1322                 cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
1323                 cv.put(
1324                     ProviderTableMeta.FILE_UPDATE_THUMBNAIL,
1325                     file.needsUpdateThumbnail() ? 1 : 0
1326                 );
1327
1328                 boolean existsByPath = fileExists(file.getRemotePath());
1329                 if (existsByPath || fileExists(file.getFileId())) {
1330                     // updating an existing file
1331                     operations.add(
1332                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
1333                             withValues(cv).
1334                             withSelection(
1335                                     ProviderTableMeta._ID + "=?",
1336                                     new String[] { String.valueOf(file.getFileId()) }
1337                             ).build()
1338                     );
1339
1340                 } else {
1341                     // adding a new file
1342                     operations.add(
1343                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
1344                             withValues(cv).
1345                             build()
1346                     );
1347                 }
1348             }
1349
1350             // apply operations in batch
1351             if (operations.size() > 0) {
1352                 @SuppressWarnings("unused")
1353                 ContentProviderResult[] results = null;
1354                 Log_OC.d(TAG, "Sending " + operations.size() +
1355                         " operations to FileContentProvider");
1356                 try {
1357                     if (getContentResolver() != null) {
1358                         results = getContentResolver().applyBatch(
1359                                 MainApp.getAuthority(), operations
1360                         );
1361
1362                     } else {
1363                         results = getContentProviderClient().applyBatch(operations);
1364                     }
1365
1366                 } catch (OperationApplicationException e) {
1367                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1368
1369                 } catch (RemoteException e) {
1370                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1371                 }
1372             }
1373         }
1374
1375     }
1376
1377     public void removeShare(OCShare share){
1378         Uri share_uri = ProviderTableMeta.CONTENT_URI_SHARE;
1379         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?" + " AND " +
1380                 ProviderTableMeta.FILE_PATH + "=?";
1381         String [] whereArgs = new String[]{mAccount.name, share.getPath()};
1382         if (getContentProviderClient() != null) {
1383             try {
1384                 getContentProviderClient().delete(share_uri, where, whereArgs);
1385             } catch (RemoteException e) {
1386                 e.printStackTrace();
1387             }
1388         } else {
1389             getContentResolver().delete(share_uri, where, whereArgs);
1390         }
1391     }
1392
1393     public void saveSharesDB(ArrayList<OCShare> shares) {
1394         saveShares(shares);
1395
1396         ArrayList<OCFile> sharedFiles = new ArrayList<OCFile>();
1397
1398         for (OCShare share : shares) {
1399             // Get the path
1400             String path = share.getPath();
1401             if (share.isFolder()) {
1402                 path = path + FileUtils.PATH_SEPARATOR;
1403             }
1404
1405             // Update OCFile with data from share: ShareByLink  and publicLink
1406             OCFile file = getFileByPath(path);
1407             if (file != null) {
1408                 if (share.getShareType().equals(ShareType.PUBLIC_LINK)) {
1409                     file.setShareByLink(true);
1410                     sharedFiles.add(file);
1411                 }
1412             }
1413         }
1414
1415         updateSharedFiles(sharedFiles);
1416     }
1417
1418
1419     public void saveSharesInFolder(ArrayList<OCShare> shares, OCFile folder) {
1420         cleanSharedFilesInFolder(folder);
1421         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1422         operations = prepareRemoveSharesInFolder(folder, operations);
1423
1424         if (shares != null) {
1425             // prepare operations to insert or update files to save in the given folder
1426             for (OCShare share : shares) {
1427                 ContentValues cv = new ContentValues();
1428                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1429                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1430                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1431                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1432                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1433                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1434                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1435                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1436                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1437                 cv.put(
1438                     ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1439                     share.getSharedWithDisplayName()
1440                 );
1441                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1442                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1443                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1444                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1445
1446                 /*
1447                 if (shareExists(share.getIdRemoteShared())) {
1448                     // updating an existing share resource
1449                     operations.add(
1450                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1451                             withValues(cv).
1452                             withSelection(  ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1453                                     new String[] { String.valueOf(share.getIdRemoteShared()) })
1454                                     .build());
1455
1456                 } else {
1457                 */
1458                 // adding a new share resource
1459                 operations.add(
1460                         ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1461                         withValues(cv).
1462                         build()
1463                 );
1464                 //}
1465             }
1466         }
1467
1468         // apply operations in batch
1469         if (operations.size() > 0) {
1470             @SuppressWarnings("unused")
1471             ContentProviderResult[] results = null;
1472             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1473             try {
1474                 if (getContentResolver() != null) {
1475                     results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1476
1477                 } else {
1478                     results = getContentProviderClient().applyBatch(operations);
1479                 }
1480
1481             } catch (OperationApplicationException e) {
1482                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1483
1484             } catch (RemoteException e) {
1485                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1486             }
1487         }
1488         //}
1489
1490     }
1491
1492     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFolder(
1493             OCFile folder, ArrayList<ContentProviderOperation> preparedOperations
1494             ) {
1495         if (folder != null) {
1496             String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND "
1497                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1498             String [] whereArgs = new String[]{ "", mAccount.name };
1499
1500             Vector<OCFile> files = getFolderContent(folder);
1501
1502             for (OCFile file : files) {
1503                 whereArgs[0] = file.getRemotePath();
1504                 preparedOperations.add(
1505                         ContentProviderOperation.newDelete(ProviderTableMeta.CONTENT_URI_SHARE).
1506                         withSelection(where, whereArgs).
1507                         build()
1508                 );
1509             }
1510         }
1511         return preparedOperations;
1512
1513         /*
1514         if (operations.size() > 0) {
1515             try {
1516                 if (getContentResolver() != null) {
1517                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1518
1519                 } else {
1520                     getContentProviderClient().applyBatch(operations);
1521                 }
1522
1523             } catch (OperationApplicationException e) {
1524                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1525
1526             } catch (RemoteException e) {
1527                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1528             }
1529         }
1530         */
1531
1532             /*
1533             if (getContentResolver() != null) {
1534
1535                 getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE,
1536                                             where,
1537                                             whereArgs);
1538             } else {
1539                 try {
1540                     getContentProviderClient().delete(  ProviderTableMeta.CONTENT_URI_SHARE,
1541                                                         where,
1542                                                         whereArgs);
1543
1544                 } catch (RemoteException e) {
1545                     Log_OC.e(TAG, "Exception deleting shares in a folder " + e.getMessage());
1546                 }
1547             }
1548             */
1549         //}
1550     }
1551
1552 }