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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012  Bartek Przybylski
   3  *   Copyright (C) 2012-2013 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.resources.shares.OCShare;
  31 import com.owncloud.android.lib.resources.shares.ShareType;
  32 import com.owncloud.android.lib.resources.files.FileUtils;
  33 import com.owncloud.android.utils.FileStorageUtils;
  34 import com.owncloud.android.utils.Log_OC;
  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 (if possible) 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(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA, file.getModificationTimestampAtLastSyncForData());
 173         cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 174         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 175         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 176         cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 177         //if (file.getParentId() != DataStorageManager.ROOT_PARENT_ID)
 178             cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 179         cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 180         if (!file.isFolder())
 181             cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 182         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 183         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 184         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 185         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
 186         cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 187         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
 188         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 189
 190         boolean sameRemotePath = fileExists(file.getRemotePath());
 191         if (sameRemotePath ||
 192                 fileExists(file.getFileId())        ) {           // for renamed files; no more delete and create
 193
 194             OCFile oldFile = null;
 195             if (sameRemotePath) {
 196                 oldFile = getFileByPath(file.getRemotePath());
 197                 file.setFileId(oldFile.getFileId());
 198             } else {
 199                 oldFile = getFileById(file.getFileId());
 200             }
 201
 202             overriden = true;
 203             if (getContentResolver() != null) {
 204                 getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv,
 205                         ProviderTableMeta._ID + "=?",
 206                         new String[] { String.valueOf(file.getFileId()) });
 207             } else {
 208                 try {
 209                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI,
 210                             cv, ProviderTableMeta._ID + "=?",
 211                             new String[] { String.valueOf(file.getFileId()) });
 212                 } catch (RemoteException e) {
 213                     Log_OC.e(TAG,
 214                             "Fail to insert insert file to database "
 215                                     + e.getMessage());
 216                 }
 217             }
 218         } else {
 219             Uri result_uri = null;
 220             if (getContentResolver() != null) {
 221                 result_uri = getContentResolver().insert(
 222                         ProviderTableMeta.CONTENT_URI_FILE, cv);
 223             } else {
 224                 try {
 225                     result_uri = getContentProviderClient().insert(
 226                             ProviderTableMeta.CONTENT_URI_FILE, cv);
 227                 } catch (RemoteException e) {
 228                     Log_OC.e(TAG,
 229                             "Fail to insert insert file to database "
 230                                     + e.getMessage());
 231                 }
 232             }
 233             if (result_uri != null) {
 234                 long new_id = Long.parseLong(result_uri.getPathSegments()
 235                         .get(1));
 236                 file.setFileId(new_id);
 237             }
 238         }
 239
 240 //        if (file.isFolder()) {
 241 //            updateFolderSize(file.getFileId());
 242 //        } else {
 243 //            updateFolderSize(file.getParentId());
 244 //        }
 245
 246         return overriden;
 247     }
 248
 249
 250     /**
 251      * Inserts or updates the list of files contained in a given folder.
 252      *
 253      * CALLER IS THE RESPONSIBLE FOR GRANTING RIGHT UPDATE OF INFORMATION, NOT THIS METHOD.
 254      * HERE ONLY DATA CONSISTENCY SHOULD BE GRANTED
 255      *
 256      * @param folder
 257      * @param files
 258      * @param removeNotUpdated
 259      */
 260     public void saveFolder(OCFile folder, Collection<OCFile> updatedFiles, Collection<OCFile> filesToRemove) {
 261
 262         Log_OC.d(TAG,  "Saving folder " + folder.getRemotePath() + " with " + updatedFiles.size() + " children and " + filesToRemove.size() + " files to remove");
 263
 264         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>(updatedFiles.size());
 265
 266         // prepare operations to insert or update files to save in the given folder
 267         for (OCFile file : updatedFiles) {
 268             ContentValues cv = new ContentValues();
 269             cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 270             cv.put(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA, file.getModificationTimestampAtLastSyncForData());
 271             cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 272             cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 273             cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 274             cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 275             //cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 276             cv.put(ProviderTableMeta.FILE_PARENT, folder.getFileId());
 277             cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 278             if (!file.isFolder()) {
 279                 cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 280             }
 281             cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 282             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 283             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 284             cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
 285             cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 286             cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
 287             cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 288
 289             boolean existsByPath = fileExists(file.getRemotePath());
 290             if (existsByPath || fileExists(file.getFileId())) {
 291                 // updating an existing file
 292                 operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 293                         withValues(cv).
 294                         withSelection(  ProviderTableMeta._ID + "=?",
 295                                 new String[] { String.valueOf(file.getFileId()) })
 296                                 .build());
 297
 298             } else {
 299                 // adding a new file
 300                 operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).withValues(cv).build());
 301             }
 302         }
 303
 304         // prepare operations to remove files in the given folder
 305         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " + ProviderTableMeta.FILE_PATH + "=?";
 306         String [] whereArgs = null;
 307         for (OCFile file : filesToRemove) {
 308             if (file.getParentId() == folder.getFileId()) {
 309                 whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 310                 //Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE, "" + file.getFileId());
 311                 if (file.isFolder()) {
 312                     operations.add(ContentProviderOperation
 313                                     .newDelete(ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_DIR, file.getFileId())).withSelection(where, whereArgs)
 314                                         .build());
 315                     // TODO remove local folder
 316                 } else {
 317                     operations.add(ContentProviderOperation
 318                                     .newDelete(ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_FILE, file.getFileId())).withSelection(where, whereArgs)
 319                                         .build());
 320                     if (file.isDown()) {
 321                         new File(file.getStoragePath()).delete();
 322                         // TODO move the deletion of local contents after success of deletions
 323                     }
 324                 }
 325             }
 326         }
 327
 328         // update metadata of folder
 329         ContentValues cv = new ContentValues();
 330         cv.put(ProviderTableMeta.FILE_MODIFIED, folder.getModificationTimestamp());
 331         cv.put(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA, folder.getModificationTimestampAtLastSyncForData());
 332         cv.put(ProviderTableMeta.FILE_CREATION, folder.getCreationTimestamp());
 333         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, 0);   // FileContentProvider calculates the right size
 334         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, folder.getMimetype());
 335         cv.put(ProviderTableMeta.FILE_NAME, folder.getFileName());
 336         cv.put(ProviderTableMeta.FILE_PARENT, folder.getParentId());
 337         cv.put(ProviderTableMeta.FILE_PATH, folder.getRemotePath());
 338         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 339         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, folder.getLastSyncDateForProperties());
 340         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, folder.getLastSyncDateForData());
 341         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, folder.keepInSync() ? 1 : 0);
 342         cv.put(ProviderTableMeta.FILE_ETAG, folder.getEtag());
 343         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, folder.isShareByLink() ? 1 : 0);
 344         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, folder.getPublicLink());
 345
 346         operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 347                 withValues(cv).
 348                 withSelection(  ProviderTableMeta._ID + "=?",
 349                         new String[] { String.valueOf(folder.getFileId()) })
 350                         .build());
 351
 352         // apply operations in batch
 353         ContentProviderResult[] results = null;
 354         Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
 355         try {
 356             if (getContentResolver() != null) {
 357                 results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 358
 359             } else {
 360                 results = getContentProviderClient().applyBatch(operations);
 361             }
 362
 363         } catch (OperationApplicationException e) {
 364             Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
 365
 366         } catch (RemoteException e) {
 367             Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
 368         }
 369
 370         // update new id in file objects for insertions
 371         if (results != null) {
 372             long newId;
 373             Iterator<OCFile> filesIt = updatedFiles.iterator();
 374             OCFile file = null;
 375             for (int i=0; i<results.length; i++) {
 376                 if (filesIt.hasNext()) {
 377                     file = filesIt.next();
 378                 } else {
 379                     file = null;
 380                 }
 381                 if (results[i].uri != null) {
 382                     newId = Long.parseLong(results[i].uri.getPathSegments().get(1));
 383                     //updatedFiles.get(i).setFileId(newId);
 384                     if (file != null) {
 385                         file.setFileId(newId);
 386                     }
 387                 }
 388             }
 389         }
 390
 391         //updateFolderSize(folder.getFileId());
 392
 393     }
 394
 395
 396 //    /**
 397 //     *
 398 //     * @param id
 399 //     */
 400 //    private void updateFolderSize(long id) {
 401 //        if (id > FileDataStorageManager.ROOT_PARENT_ID) {
 402 //            Log_OC.d(TAG, "Updating size of " + id);
 403 //            if (getContentResolver() != null) {
 404 //                getContentResolver().update(ProviderTableMeta.CONTENT_URI_DIR,
 405 //                        new ContentValues(),    // won't be used, but cannot be null; crashes in KLP
 406 //                        ProviderTableMeta._ID + "=?",
 407 //                        new String[] { String.valueOf(id) });
 408 //            } else {
 409 //                try {
 410 //                    getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_DIR,
 411 //                            new ContentValues(),    // won't be used, but cannot be null; crashes in KLP
 412 //                            ProviderTableMeta._ID + "=?",
 413 //                            new String[] { String.valueOf(id) });
 414 //
 415 //                } catch (RemoteException e) {
 416 //                    Log_OC.e(TAG, "Exception in update of folder size through compatibility patch " + e.getMessage());
 417 //                }
 418 //            }
 419 //        } else {
 420 //            Log_OC.e(TAG,  "not updating size for folder " + id);
 421 //        }
 422 //    }
 423
 424
 425     public boolean removeFile(OCFile file, boolean removeDBData, boolean removeLocalCopy) {
 426         boolean success = true;
 427         if (file != null) {
 428             if (file.isFolder()) {
 429                 success = removeFolder(file, removeDBData, removeLocalCopy);
 430
 431             } else {
 432                 if (removeDBData) {
 433                     //Uri file_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE, ""+file.getFileId());
 434                     Uri file_uri = ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_FILE, file.getFileId());
 435                     String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " + ProviderTableMeta.FILE_PATH + "=?";
 436                     String [] whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 437                     int deleted = 0;
 438                     if (getContentProviderClient() != null) {
 439                         try {
 440                             deleted = getContentProviderClient().delete(file_uri, where, whereArgs);
 441                         } catch (RemoteException e) {
 442                             e.printStackTrace();
 443                         }
 444                     } else {
 445                         deleted = getContentResolver().delete(file_uri, where, whereArgs);
 446                     }
 447                     success &= (deleted > 0);
 448                 }
 449                 if (removeLocalCopy && file.isDown() && file.getStoragePath() != null && success) {
 450                     success = new File(file.getStoragePath()).delete();
 451                     if (!removeDBData && success) {
 452                         // maybe unnecessary, but should be checked TODO remove if unnecessary
 453                         file.setStoragePath(null);
 454                         saveFile(file);
 455                     }
 456                 }
 457             }
 458         }
 459         return success;
 460     }
 461
 462
 463     public boolean removeFolder(OCFile folder, boolean removeDBData, boolean removeLocalContent) {
 464         boolean success = true;
 465         if (folder != null && folder.isFolder()) {
 466             if (removeDBData &&  folder.getFileId() != -1) {
 467                 success = removeFolderInDb(folder);
 468             }
 469             if (removeLocalContent && success) {
 470                 File localFolder = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, folder));
 471                 success = removeLocalFolder(localFolder);
 472             }
 473         }
 474         return success;
 475     }
 476
 477     private boolean removeFolderInDb(OCFile folder) {
 478         Uri folder_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, ""+ folder.getFileId());   // URI for recursive deletion
 479         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " + ProviderTableMeta.FILE_PATH + "=?";
 480         String [] whereArgs = new String[]{mAccount.name, folder.getRemotePath()};
 481         int deleted = 0;
 482         if (getContentProviderClient() != null) {
 483             try {
 484                 deleted = getContentProviderClient().delete(folder_uri, where, whereArgs);
 485             } catch (RemoteException e) {
 486                 e.printStackTrace();
 487             }
 488         } else {
 489             deleted = getContentResolver().delete(folder_uri, where, whereArgs);
 490         }
 491         return deleted > 0;
 492     }
 493
 494     private boolean removeLocalFolder(File folder) {
 495         boolean success = true;
 496         if (folder.exists()) {
 497             File[] files = folder.listFiles();
 498             if (files != null) {
 499                 for (File file : files) {
 500                     if (file.isDirectory()) {
 501                         success &= removeLocalFolder(file);
 502                     } else {
 503                         success &= file.delete();
 504                     }
 505                 }
 506             }
 507             success &= folder.delete();
 508         }
 509         return success;
 510     }
 511
 512     /**
 513      * Updates database for a folder that was moved to a different location.
 514      *
 515      * TODO explore better (faster) implementations
 516      * TODO throw exceptions up !
 517      */
 518     public void moveFolder(OCFile folder, String newPath) {
 519         // TODO check newPath
 520
 521         if (folder != null && folder.isFolder() && folder.fileExists() && !OCFile.ROOT_PATH.equals(folder.getFileName())) {
 522             /// 1. get all the descendants of 'dir' in a single QUERY (including 'dir')
 523             Cursor c = null;
 524             if (getContentProviderClient() != null) {
 525                 try {
 526                     c = getContentProviderClient().query(ProviderTableMeta.CONTENT_URI,
 527                             null,
 528                             ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " + ProviderTableMeta.FILE_PATH + " LIKE ? ",
 529                             new String[] { mAccount.name, folder.getRemotePath() + "%"  }, ProviderTableMeta.FILE_PATH + " ASC ");
 530                 } catch (RemoteException e) {
 531                     Log_OC.e(TAG, e.getMessage());
 532                 }
 533             } else {
 534                 c = getContentResolver().query(ProviderTableMeta.CONTENT_URI,
 535                         null,
 536                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " + ProviderTableMeta.FILE_PATH + " LIKE ? ",
 537                         new String[] { mAccount.name, folder.getRemotePath() + "%"  }, ProviderTableMeta.FILE_PATH + " ASC ");
 538             }
 539
 540             /// 2. prepare a batch of update operations to change all the descendants
 541             ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>(c.getCount());
 542             int lengthOfOldPath = folder.getRemotePath().length();
 543             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 544             int lengthOfOldStoragePath = defaultSavePath.length() + lengthOfOldPath;
 545             if (c.moveToFirst()) {
 546                 do {
 547                     ContentValues cv = new ContentValues(); // don't take the constructor out of the loop and clear the object
 548                     OCFile child = createFileInstance(c);
 549                     cv.put(ProviderTableMeta.FILE_PATH, newPath + child.getRemotePath().substring(lengthOfOldPath));
 550                     if (child.getStoragePath() != null && child.getStoragePath().startsWith(defaultSavePath)) {
 551                         cv.put(ProviderTableMeta.FILE_STORAGE_PATH, defaultSavePath + newPath + child.getStoragePath().substring(lengthOfOldStoragePath));
 552                     }
 553                     operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 554                             withValues(cv).
 555                             withSelection(  ProviderTableMeta._ID + "=?",
 556                                     new String[] { String.valueOf(child.getFileId()) })
 557                                     .build());
 558                 } while (c.moveToNext());
 559             }
 560             c.close();
 561
 562             /// 3. apply updates in batch
 563             try {
 564                 if (getContentResolver() != null) {
 565                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 566
 567                 } else {
 568                     getContentProviderClient().applyBatch(operations);
 569                 }
 570
 571             } catch (OperationApplicationException e) {
 572                 Log_OC.e(TAG, "Fail to update descendants of " + folder.getFileId() + " in database", e);
 573
 574             } catch (RemoteException e) {
 575                 Log_OC.e(TAG, "Fail to update desendants of " + folder.getFileId() + " in database", e);
 576             }
 577
 578         }
 579     }
 580
 581
 582     private Vector<OCFile> getFolderContent(long parentId) {
 583
 584         Vector<OCFile> ret = new Vector<OCFile>();
 585
 586         Uri req_uri = Uri.withAppendedPath(
 587                 ProviderTableMeta.CONTENT_URI_DIR,
 588                 String.valueOf(parentId));
 589         Cursor c = null;
 590
 591         if (getContentProviderClient() != null) {
 592             try {
 593                 c = getContentProviderClient().query(req_uri, null,
 594                         ProviderTableMeta.FILE_PARENT + "=?" ,
 595                         new String[] { String.valueOf(parentId)}, null);
 596             } catch (RemoteException e) {
 597                 Log_OC.e(TAG, e.getMessage());
 598                 return ret;
 599             }
 600         } else {
 601             c = getContentResolver().query(req_uri, null,
 602                     ProviderTableMeta.FILE_PARENT + "=?" ,
 603                     new String[] { String.valueOf(parentId)}, null);
 604         }
 605
 606         if (c.moveToFirst()) {
 607             do {
 608                 OCFile child = createFileInstance(c);
 609                 ret.add(child);
 610             } while (c.moveToNext());
 611         }
 612
 613         c.close();
 614
 615         Collections.sort(ret);
 616
 617         return ret;
 618     }
 619
 620
 621     private OCFile createRootDir() {
 622         OCFile file = new OCFile(OCFile.ROOT_PATH);
 623         file.setMimetype("DIR");
 624         file.setParentId(FileDataStorageManager.ROOT_PARENT_ID);
 625         saveFile(file);
 626         return file;
 627     }
 628
 629     private boolean fileExists(String cmp_key, String value) {
 630         Cursor c;
 631         if (getContentResolver() != null) {
 632             c = getContentResolver()
 633                     .query(ProviderTableMeta.CONTENT_URI,
 634                             null,
 635                             cmp_key + "=? AND "
 636                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 637                                     + "=?",
 638                                     new String[] { value, mAccount.name }, null);
 639         } else {
 640             try {
 641                 c = getContentProviderClient().query(
 642                         ProviderTableMeta.CONTENT_URI,
 643                         null,
 644                         cmp_key + "=? AND "
 645                                 + ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
 646                                 new String[] { value, mAccount.name }, null);
 647             } catch (RemoteException e) {
 648                 Log_OC.e(TAG,
 649                         "Couldn't determine file existance, assuming non existance: "
 650                                 + e.getMessage());
 651                 return false;
 652             }
 653         }
 654         boolean retval = c.moveToFirst();
 655         c.close();
 656         return retval;
 657     }
 658
 659     private Cursor getCursorForValue(String key, String value) {
 660         Cursor c = null;
 661         if (getContentResolver() != null) {
 662             c = getContentResolver()
 663                     .query(ProviderTableMeta.CONTENT_URI,
 664                             null,
 665                             key + "=? AND "
 666                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 667                                     + "=?",
 668                                     new String[] { value, mAccount.name }, null);
 669         } else {
 670             try {
 671                 c = getContentProviderClient().query(
 672                         ProviderTableMeta.CONTENT_URI,
 673                         null,
 674                         key + "=? AND " + ProviderTableMeta.FILE_ACCOUNT_OWNER
 675                         + "=?", new String[] { value, mAccount.name },
 676                         null);
 677             } catch (RemoteException e) {
 678                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 679                 c = null;
 680             }
 681         }
 682         return c;
 683     }
 684
 685     private Cursor getShareCursorForValue(String key, String value) {
 686         Cursor c = null;
 687         if (getContentResolver() != null) {
 688             c = getContentResolver()
 689                     .query(ProviderTableMeta.CONTENT_URI_SHARE,
 690                             null,
 691                             key + "=? AND "
 692                                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
 693                                     + "=?",
 694                                     new String[] { value, mAccount.name }, null);
 695         } else {
 696             try {
 697                 c = getContentProviderClient().query(
 698                         ProviderTableMeta.CONTENT_URI_SHARE,
 699                         null,
 700                         key + "=? AND " + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
 701                         + "=?", new String[] { value, mAccount.name },
 702                         null);
 703             } catch (RemoteException e) {
 704                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 705                 c = null;
 706             }
 707         }
 708         return c;
 709     }
 710
 711     private OCFile createFileInstance(Cursor c) {
 712         OCFile file = null;
 713         if (c != null) {
 714             file = new OCFile(c.getString(c
 715                     .getColumnIndex(ProviderTableMeta.FILE_PATH)));
 716             file.setFileId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
 717             file.setParentId(c.getLong(c
 718                     .getColumnIndex(ProviderTableMeta.FILE_PARENT)));
 719             file.setMimetype(c.getString(c
 720                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE)));
 721             if (!file.isFolder()) {
 722                 file.setStoragePath(c.getString(c
 723                         .getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH)));
 724                 if (file.getStoragePath() == null) {
 725                     // try to find existing file and bind it with current account; - with the current update of SynchronizeFolderOperation, this won't be necessary anymore after a full synchronization of the account
 726                     File f = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 727                     if (f.exists()) {
 728                         file.setStoragePath(f.getAbsolutePath());
 729                         file.setLastSyncDateForData(f.lastModified());
 730                     }
 731                 }
 732             }
 733             file.setFileLength(c.getLong(c
 734                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH)));
 735             file.setCreationTimestamp(c.getLong(c
 736                     .getColumnIndex(ProviderTableMeta.FILE_CREATION)));
 737             file.setModificationTimestamp(c.getLong(c
 738                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED)));
 739             file.setModificationTimestampAtLastSyncForData(c.getLong(c
 740                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA)));
 741             file.setLastSyncDateForProperties(c.getLong(c
 742                     .getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE)));
 743             file.setLastSyncDateForData(c.getLong(c.
 744                     getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA)));
 745             file.setKeepInSync(c.getInt(
 746                     c.getColumnIndex(ProviderTableMeta.FILE_KEEP_IN_SYNC)) == 1 ? true : false);
 747             file.setEtag(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG)));
 748             file.setShareByLink(c.getInt(
 749                     c.getColumnIndex(ProviderTableMeta.FILE_SHARE_BY_LINK)) == 1 ? true : false);
 750             file.setPublicLink(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PUBLIC_LINK)));
 751
 752         }
 753         return file;
 754     }
 755
 756     /**
 757      * Returns if the file/folder is shared by link or not
 758      * @param path  Path of the file/folder
 759      * @return
 760      */
 761     public boolean isShareByLink(String path) {
 762         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 763         OCFile file = null;
 764         if (c.moveToFirst()) {
 765             file = createFileInstance(c);
 766         }
 767         c.close();
 768         return file.isShareByLink();
 769     }
 770
 771     /**
 772      * Returns the public link of the file/folder
 773      * @param path  Path of the file/folder
 774      * @return
 775      */
 776     public String getPublicLink(String path) {
 777         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 778         OCFile file = null;
 779         if (c.moveToFirst()) {
 780             file = createFileInstance(c);
 781         }
 782         c.close();
 783         return file.getPublicLink();
 784     }
 785
 786
 787     // Methods for Shares
 788     public boolean saveShare(OCShare share) {
 789         boolean overriden = false;
 790         ContentValues cv = new ContentValues();
 791         cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
 792         cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
 793         cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
 794         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
 795         cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
 796         cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
 797         cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
 798         cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
 799         cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
 800         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME, share.getSharedWithDisplayName());
 801         cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
 802         cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
 803         cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
 804         cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
 805
 806         if (shareExists(share.getIdRemoteShared())) {           // for renamed files; no more delete and create
 807
 808             overriden = true;
 809             if (getContentResolver() != null) {
 810                 getContentResolver().update(ProviderTableMeta.CONTENT_URI_SHARE, cv,
 811                         ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 812                         new String[] { String.valueOf(share.getIdRemoteShared()) });
 813             } else {
 814                 try {
 815                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_SHARE,
 816                             cv, ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 817                             new String[] { String.valueOf(share.getIdRemoteShared()) });
 818                 } catch (RemoteException e) {
 819                     Log_OC.e(TAG,
 820                             "Fail to insert insert file to database "
 821                                     + e.getMessage());
 822                 }
 823             }
 824         } else {
 825             Uri result_uri = null;
 826             if (getContentResolver() != null) {
 827                 result_uri = getContentResolver().insert(
 828                         ProviderTableMeta.CONTENT_URI_SHARE, cv);
 829             } else {
 830                 try {
 831                     result_uri = getContentProviderClient().insert(
 832                             ProviderTableMeta.CONTENT_URI_SHARE, cv);
 833                 } catch (RemoteException e) {
 834                     Log_OC.e(TAG,
 835                             "Fail to insert insert file to database "
 836                                     + e.getMessage());
 837                 }
 838             }
 839             if (result_uri != null) {
 840                 long new_id = Long.parseLong(result_uri.getPathSegments()
 841                         .get(1));
 842                 share.setId(new_id);
 843             }
 844         }
 845
 846         return overriden;
 847     }
 848
 849 //    private OCShare getShareById(long id) {
 850 //        Cursor c = getShareCursorForValue(ProviderTableMeta._ID, String.valueOf(id));
 851 //        OCShare share = null;
 852 //        if (c.moveToFirst()) {
 853 //            share = createShareInstance(c);
 854 //        }
 855 //        c.close();
 856 //        return share;
 857 //    }
 858 //
 859 //    private OCShare getShareByRemoteId(long remoteId) {
 860 //        Cursor c = getShareCursorForValue(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, String.valueOf(remoteId));
 861 //        OCShare share = null;
 862 //        if (c.moveToFirst()) {
 863 //            share = createShareInstance(c);
 864 //        }
 865 //        c.close();
 866 //        return share;
 867 //    }
 868
 869     public OCShare getFirstShareByPathAndType(String path, ShareType type) {
 870         Cursor c = null;
 871         if (getContentResolver() != null) {
 872             c = getContentResolver().query(
 873                     ProviderTableMeta.CONTENT_URI_SHARE,
 874                     null,
 875                     ProviderTableMeta.OCSHARES_PATH + "=? AND "
 876                             + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
 877                             + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
 878                     new String[] { path, Integer.toString(type.getValue()), mAccount.name },
 879                     null);
 880         } else {
 881             try {
 882                 c = getContentProviderClient().query(
 883                         ProviderTableMeta.CONTENT_URI_SHARE,
 884                         null,
 885                         ProviderTableMeta.OCSHARES_PATH + "=? AND "
 886                                 + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
 887                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
 888                         new String[] { path, Integer.toString(type.getValue()), mAccount.name },
 889                         null);
 890
 891             } catch (RemoteException e) {
 892                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 893                 c = null;
 894             }
 895         }
 896         OCShare share = null;
 897         if (c.moveToFirst()) {
 898             share = createShareInstance(c);
 899         }
 900         c.close();
 901         return share;
 902     }
 903
 904     private OCShare createShareInstance(Cursor c) {
 905         OCShare share = null;
 906         if (c != null) {
 907             share = new OCShare(c.getString(c
 908                     .getColumnIndex(ProviderTableMeta.OCSHARES_PATH)));
 909             share.setId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
 910             share.setFileSource(c.getLong(c
 911                     .getColumnIndex(ProviderTableMeta.OCSHARES_ITEM_SOURCE)));
 912             share.setShareType(ShareType.fromValue(c.getInt(c
 913                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_TYPE))));
 914             share.setPermissions(c.getInt(c
 915                     .getColumnIndex(ProviderTableMeta.OCSHARES_PERMISSIONS)));
 916             share.setSharedDate(c.getLong(c
 917                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARED_DATE)));
 918             share.setExpirationDate(c.getLong(c
 919                     .getColumnIndex(ProviderTableMeta.OCSHARES_EXPIRATION_DATE)));
 920             share.setToken(c.getString(c
 921                     .getColumnIndex(ProviderTableMeta.OCSHARES_TOKEN)));
 922             share.setSharedWithDisplayName(c.getString(c
 923                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME)));
 924             share.setIsFolder(c.getInt(
 925                     c.getColumnIndex(ProviderTableMeta.OCSHARES_IS_DIRECTORY)) == 1 ? true : false);
 926             share.setUserId(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_USER_ID)));
 927             share.setIdRemoteShared(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED)));
 928
 929         }
 930         return share;
 931     }
 932
 933     private boolean shareExists(String cmp_key, String value) {
 934         Cursor c;
 935         if (getContentResolver() != null) {
 936             c = getContentResolver()
 937                     .query(ProviderTableMeta.CONTENT_URI_SHARE,
 938                             null,
 939                             cmp_key + "=? AND "
 940                                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
 941                                     + "=?",
 942                                     new String[] { value, mAccount.name }, null);
 943         } else {
 944             try {
 945                 c = getContentProviderClient().query(
 946                         ProviderTableMeta.CONTENT_URI_SHARE,
 947                         null,
 948                         cmp_key + "=? AND "
 949                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
 950                                 new String[] { value, mAccount.name }, null);
 951             } catch (RemoteException e) {
 952                 Log_OC.e(TAG,
 953                         "Couldn't determine file existance, assuming non existance: "
 954                                 + e.getMessage());
 955                 return false;
 956             }
 957         }
 958         boolean retval = c.moveToFirst();
 959         c.close();
 960         return retval;
 961     }
 962
 963     private boolean shareExists(long remoteId) {
 964         return shareExists(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, String.valueOf(remoteId));
 965     }
 966
 967     private void cleanSharedFiles() {
 968         ContentValues cv = new ContentValues();
 969         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
 970         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
 971         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?";
 972         String [] whereArgs = new String[]{mAccount.name};
 973
 974         if (getContentResolver() != null) {
 975             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
 976
 977         } else {
 978             try {
 979                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
 980
 981             } catch (RemoteException e) {
 982                 Log_OC.e(TAG, "Exception in cleanSharedFiles" + e.getMessage());
 983             }
 984         }
 985     }
 986
 987     private void cleanSharedFilesInFolder(OCFile folder) {
 988         ContentValues cv = new ContentValues();
 989         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
 990         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
 991         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " + ProviderTableMeta.FILE_PARENT + "=?";
 992         String [] whereArgs = new String[] { mAccount.name , String.valueOf(folder.getFileId()) };
 993
 994         if (getContentResolver() != null) {
 995             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
 996
 997         } else {
 998             try {
 999                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1000
1001             } catch (RemoteException e) {
1002                 Log_OC.e(TAG, "Exception in cleanSharedFilesInFolder " + e.getMessage());
1003             }
1004         }
1005     }
1006
1007     private void cleanShares() {
1008         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1009         String [] whereArgs = new String[]{mAccount.name};
1010
1011         if (getContentResolver() != null) {
1012             getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1013
1014         } else {
1015             try {
1016                 getContentProviderClient().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1017
1018             } catch (RemoteException e) {
1019                 Log_OC.e(TAG, "Exception in cleanShares" + e.getMessage());
1020             }
1021         }
1022     }
1023
1024     public void saveShares(Collection<OCShare> shares) {
1025         cleanShares();
1026         if (shares != null) {
1027             ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>(shares.size());
1028
1029             // prepare operations to insert or update files to save in the given folder
1030             for (OCShare share : shares) {
1031                 ContentValues cv = new ContentValues();
1032                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1033                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1034                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1035                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1036                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1037                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1038                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1039                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1040                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1041                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME, share.getSharedWithDisplayName());
1042                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1043                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1044                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1045                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1046
1047                 if (shareExists(share.getIdRemoteShared())) {
1048                     // updating an existing file
1049                     operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1050                             withValues(cv).
1051                             withSelection(  ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1052                                     new String[] { String.valueOf(share.getIdRemoteShared()) })
1053                                     .build());
1054
1055                 } else {
1056                     // adding a new file
1057                     operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).withValues(cv).build());
1058                 }
1059             }
1060
1061             // apply operations in batch
1062             if (operations.size() > 0) {
1063                 @SuppressWarnings("unused")
1064                 ContentProviderResult[] results = null;
1065                 Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1066                 try {
1067                     if (getContentResolver() != null) {
1068                         results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1069
1070                     } else {
1071                         results = getContentProviderClient().applyBatch(operations);
1072                     }
1073
1074                 } catch (OperationApplicationException e) {
1075                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1076
1077                 } catch (RemoteException e) {
1078                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1079                 }
1080             }
1081         }
1082
1083     }
1084
1085     public void updateSharedFiles(Collection<OCFile> sharedFiles) {
1086         cleanSharedFiles();
1087
1088         if (sharedFiles != null) {
1089             ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>(sharedFiles.size());
1090
1091             // prepare operations to insert or update files to save in the given folder
1092             for (OCFile file : sharedFiles) {
1093                 ContentValues cv = new ContentValues();
1094                 cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
1095                 cv.put(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA, file.getModificationTimestampAtLastSyncForData());
1096                 cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
1097                 cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
1098                 cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
1099                 cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
1100                 cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
1101                 cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
1102                 if (!file.isFolder()) {
1103                     cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
1104                 }
1105                 cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
1106                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
1107                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
1108                 cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
1109                 cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
1110                 cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
1111                 cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
1112
1113                 boolean existsByPath = fileExists(file.getRemotePath());
1114                 if (existsByPath || fileExists(file.getFileId())) {
1115                     // updating an existing file
1116                     operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
1117                             withValues(cv).
1118                             withSelection(  ProviderTableMeta._ID + "=?",
1119                                     new String[] { String.valueOf(file.getFileId()) })
1120                                     .build());
1121
1122                 } else {
1123                     // adding a new file
1124                     operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).withValues(cv).build());
1125                 }
1126             }
1127
1128             // apply operations in batch
1129             if (operations.size() > 0) {
1130                 @SuppressWarnings("unused")
1131                 ContentProviderResult[] results = null;
1132                 Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1133                 try {
1134                     if (getContentResolver() != null) {
1135                         results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1136
1137                     } else {
1138                         results = getContentProviderClient().applyBatch(operations);
1139                     }
1140
1141                 } catch (OperationApplicationException e) {
1142                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1143
1144                 } catch (RemoteException e) {
1145                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1146                 }
1147             }
1148         }
1149
1150     }
1151
1152     public void removeShare(OCShare share){
1153         Uri share_uri = ProviderTableMeta.CONTENT_URI_SHARE;
1154         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?" + " AND " + ProviderTableMeta.FILE_PATH + "=?";
1155         String [] whereArgs = new String[]{mAccount.name, share.getPath()};
1156         if (getContentProviderClient() != null) {
1157             try {
1158                 getContentProviderClient().delete(share_uri, where, whereArgs);
1159             } catch (RemoteException e) {
1160                 e.printStackTrace();
1161             }
1162         } else {
1163             getContentResolver().delete(share_uri, where, whereArgs);
1164         }
1165     }
1166
1167     public void saveSharesDB(ArrayList<OCShare> shares) {
1168         saveShares(shares);
1169
1170         ArrayList<OCFile> sharedFiles = new ArrayList<OCFile>();
1171
1172         for (OCShare share : shares) {
1173             // Get the path
1174             String path = share.getPath();
1175             if (share.isFolder()) {
1176                 path = path + FileUtils.PATH_SEPARATOR;
1177             }
1178
1179             // Update OCFile with data from share: ShareByLink  ¿and publicLink?
1180             OCFile file = getFileByPath(path);
1181             if (file != null) {
1182                 if (share.getShareType().equals(ShareType.PUBLIC_LINK)) {
1183                     file.setShareByLink(true);
1184                     sharedFiles.add(file);
1185                 }
1186             }
1187         }
1188
1189         updateSharedFiles(sharedFiles);
1190     }
1191
1192
1193     public void saveSharesInFolder(ArrayList<OCShare> shares, OCFile folder) {
1194         cleanSharedFilesInFolder(folder);
1195         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1196         operations = prepareRemoveSharesInFolder(folder, operations);
1197
1198         if (shares != null) {
1199             // prepare operations to insert or update files to save in the given folder
1200             for (OCShare share : shares) {
1201                 ContentValues cv = new ContentValues();
1202                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1203                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1204                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1205                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1206                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1207                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1208                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1209                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1210                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1211                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME, share.getSharedWithDisplayName());
1212                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1213                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1214                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1215                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1216
1217                 /*
1218                 if (shareExists(share.getIdRemoteShared())) {
1219                     // updating an existing share resource
1220                     operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1221                             withValues(cv).
1222                             withSelection(  ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1223                                     new String[] { String.valueOf(share.getIdRemoteShared()) })
1224                                     .build());
1225
1226                 } else {
1227                 */
1228                 // adding a new share resource
1229                 operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).withValues(cv).build());
1230                 //}
1231             }
1232         }
1233
1234         // apply operations in batch
1235         if (operations.size() > 0) {
1236             @SuppressWarnings("unused")
1237             ContentProviderResult[] results = null;
1238             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1239             try {
1240                 if (getContentResolver() != null) {
1241                     results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1242
1243                 } else {
1244                     results = getContentProviderClient().applyBatch(operations);
1245                 }
1246
1247             } catch (OperationApplicationException e) {
1248                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1249
1250             } catch (RemoteException e) {
1251                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1252             }
1253         }
1254         //}
1255
1256     }
1257
1258     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFolder(OCFile folder, ArrayList<ContentProviderOperation> preparedOperations) {
1259         if (folder != null) {
1260             String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND " + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1261             String [] whereArgs = new String[]{ "", mAccount.name };
1262
1263             Vector<OCFile> files = getFolderContent(folder);
1264
1265             for (OCFile file : files) {
1266                 whereArgs[0] = file.getRemotePath();
1267                 preparedOperations.add(ContentProviderOperation.newDelete(ProviderTableMeta.CONTENT_URI_SHARE)
1268                         .withSelection(where, whereArgs)
1269                         .build());
1270             }
1271         }
1272         return preparedOperations;
1273
1274         /*
1275         if (operations.size() > 0) {
1276             try {
1277                 if (getContentResolver() != null) {
1278                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1279
1280                 } else {
1281                     getContentProviderClient().applyBatch(operations);
1282                 }
1283
1284             } catch (OperationApplicationException e) {
1285                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1286
1287             } catch (RemoteException e) {
1288                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1289             }
1290         }
1291         */
1292
1293             /*
1294             if (getContentResolver() != null) {
1295
1296                 getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE,
1297                                             where,
1298                                             whereArgs);
1299             } else {
1300                 try {
1301                     getContentProviderClient().delete(  ProviderTableMeta.CONTENT_URI_SHARE,
1302                                                         where,
1303                                                         whereArgs);
1304
1305                 } catch (RemoteException e) {
1306                     Log_OC.e(TAG, "Exception deleting shares in a folder " + e.getMessage());
1307                 }
1308             }
1309             */
1310         //}
1311     }
1312 }