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 import android.accounts.Account;
  37 import android.content.ContentProviderClient;
  38 import android.content.ContentProviderOperation;
  39 import android.content.ContentProviderResult;
  40 import android.content.ContentResolver;
  41 import android.content.ContentUris;
  42 import android.content.ContentValues;
  43 import android.content.Intent;
  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                         String path = file.getStoragePath();
 350                         new File(file.getStoragePath()).delete();
 351
 352                         // Notify MediaScanner about removed file
 353                         Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
 354                         intent.setData(Uri.fromFile(new File(path)));
 355                         MainApp.getAppContext().sendBroadcast(intent);
 356                     }
 357                 }
 358             }
 359         }
 360
 361         // update metadata of folder
 362         ContentValues cv = new ContentValues();
 363         cv.put(ProviderTableMeta.FILE_MODIFIED, folder.getModificationTimestamp());
 364         cv.put(
 365             ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 366             folder.getModificationTimestampAtLastSyncForData()
 367         );
 368         cv.put(ProviderTableMeta.FILE_CREATION, folder.getCreationTimestamp());
 369         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, 0);
 370         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, folder.getMimetype());
 371         cv.put(ProviderTableMeta.FILE_NAME, folder.getFileName());
 372         cv.put(ProviderTableMeta.FILE_PARENT, folder.getParentId());
 373         cv.put(ProviderTableMeta.FILE_PATH, folder.getRemotePath());
 374         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 375         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, folder.getLastSyncDateForProperties());
 376         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, folder.getLastSyncDateForData());
 377         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, folder.keepInSync() ? 1 : 0);
 378         cv.put(ProviderTableMeta.FILE_ETAG, folder.getEtag());
 379         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, folder.isShareByLink() ? 1 : 0);
 380         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, folder.getPublicLink());
 381         cv.put(ProviderTableMeta.FILE_PERMISSIONS, folder.getPermissions());
 382         cv.put(ProviderTableMeta.FILE_REMOTE_ID, folder.getRemoteId());
 383
 384         operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 385                 withValues(cv).
 386                 withSelection(  ProviderTableMeta._ID + "=?",
 387                         new String[] { String.valueOf(folder.getFileId()) })
 388                         .build());
 389
 390         // apply operations in batch
 391         ContentProviderResult[] results = null;
 392         Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
 393         try {
 394             if (getContentResolver() != null) {
 395                 results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 396
 397             } else {
 398                 results = getContentProviderClient().applyBatch(operations);
 399             }
 400
 401         } catch (OperationApplicationException e) {
 402             Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
 403
 404         } catch (RemoteException e) {
 405             Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
 406         }
 407
 408         // update new id in file objects for insertions
 409         if (results != null) {
 410             long newId;
 411             Iterator<OCFile> filesIt = updatedFiles.iterator();
 412             OCFile file = null;
 413             for (int i=0; i<results.length; i++) {
 414                 if (filesIt.hasNext()) {
 415                     file = filesIt.next();
 416                 } else {
 417                     file = null;
 418                 }
 419                 if (results[i].uri != null) {
 420                     newId = Long.parseLong(results[i].uri.getPathSegments().get(1));
 421                     //updatedFiles.get(i).setFileId(newId);
 422                     if (file != null) {
 423                         file.setFileId(newId);
 424                     }
 425                 }
 426             }
 427         }
 428
 429         //updateFolderSize(folder.getFileId());
 430
 431     }
 432
 433
 434 //    /**
 435 //     *
 436 //     * @param id
 437 //     */
 438 //    private void updateFolderSize(long id) {
 439 //        if (id > FileDataStorageManager.ROOT_PARENT_ID) {
 440 //            Log_OC.d(TAG, "Updating size of " + id);
 441 //            if (getContentResolver() != null) {
 442 //                getContentResolver().update(ProviderTableMeta.CONTENT_URI_DIR,
 443 //                        new ContentValues(),
 444                             // won't be used, but cannot be null; crashes in KLP
 445 //                        ProviderTableMeta._ID + "=?",
 446 //                        new String[] { String.valueOf(id) });
 447 //            } else {
 448 //                try {
 449 //                    getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_DIR,
 450 //                            new ContentValues(),
 451                                 // won't be used, but cannot be null; crashes in KLP
 452 //                            ProviderTableMeta._ID + "=?",
 453 //                            new String[] { String.valueOf(id) });
 454 //
 455 //                } catch (RemoteException e) {
 456 //                    Log_OC.e(
 457 //    TAG, "Exception in update of folder size through compatibility patch " + e.getMessage());
 458 //                }
 459 //            }
 460 //        } else {
 461 //            Log_OC.e(TAG,  "not updating size for folder " + id);
 462 //        }
 463 //    }
 464
 465
 466     public boolean removeFile(OCFile file, boolean removeDBData, boolean removeLocalCopy) {
 467         boolean success = true;
 468         if (file != null) {
 469             if (file.isFolder()) {
 470                 success = removeFolder(file, removeDBData, removeLocalCopy);
 471
 472             } else {
 473                 if (removeDBData) {
 474                     Uri file_uri = ContentUris.withAppendedId(
 475                         ProviderTableMeta.CONTENT_URI_FILE,
 476                         file.getFileId()
 477                     );
 478                     String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 479                             ProviderTableMeta.FILE_PATH + "=?";
 480                     String [] whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 481                     int deleted = 0;
 482                     if (getContentProviderClient() != null) {
 483                         try {
 484                             deleted = getContentProviderClient().delete(file_uri, where, whereArgs);
 485                         } catch (RemoteException e) {
 486                             e.printStackTrace();
 487                         }
 488                     } else {
 489                         deleted = getContentResolver().delete(file_uri, where, whereArgs);
 490                     }
 491                     success &= (deleted > 0);
 492                 }
 493                 if (removeLocalCopy && file.isDown() && file.getStoragePath() != null && success) {
 494                     success = new File(file.getStoragePath()).delete();
 495                     if (!removeDBData && success) {
 496                         // maybe unnecessary, but should be checked TODO remove if unnecessary
 497                         file.setStoragePath(null);
 498                         saveFile(file);
 499                     }
 500                 }
 501             }
 502         }
 503         return success;
 504     }
 505
 506
 507     public boolean removeFolder(OCFile folder, boolean removeDBData, boolean removeLocalContent) {
 508         boolean success = true;
 509         if (folder != null && folder.isFolder()) {
 510             if (removeDBData &&  folder.getFileId() != -1) {
 511                 success = removeFolderInDb(folder);
 512             }
 513             if (removeLocalContent && success) {
 514                 success = removeLocalFolder(folder);
 515             }
 516         }
 517         return success;
 518     }
 519
 520     private boolean removeFolderInDb(OCFile folder) {
 521         Uri folder_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, "" +
 522                 folder.getFileId());   // URI for recursive deletion
 523         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 524                 ProviderTableMeta.FILE_PATH + "=?";
 525         String [] whereArgs = new String[]{mAccount.name, folder.getRemotePath()};
 526         int deleted = 0;
 527         if (getContentProviderClient() != null) {
 528             try {
 529                 deleted = getContentProviderClient().delete(folder_uri, where, whereArgs);
 530             } catch (RemoteException e) {
 531                 e.printStackTrace();
 532             }
 533         } else {
 534             deleted = getContentResolver().delete(folder_uri, where, whereArgs);
 535         }
 536         return deleted > 0;
 537     }
 538
 539     private boolean removeLocalFolder(OCFile folder) {
 540         boolean success = true;
 541         File localFolder = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, folder));
 542         if (localFolder.exists()) {
 543             // stage 1: remove the local files already registered in the files database
 544             Vector<OCFile> files = getFolderContent(folder.getFileId());
 545             if (files != null) {
 546                 for (OCFile file : files) {
 547                     if (file.isFolder()) {
 548                         success &= removeLocalFolder(file);
 549                     } else {
 550                         if (file.isDown()) {
 551                             String path = file.getStoragePath();
 552                             File localFile = new File(file.getStoragePath());
 553                             success &= localFile.delete();
 554                             if (success) {
 555                                 file.setStoragePath(null);
 556                                 saveFile(file);
 557
 558                              // Notify MediaScanner about removed file
 559                                 Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
 560                                 intent.setData(Uri.fromFile(new File(path)));
 561                                 MainApp.getAppContext().sendBroadcast(intent);
 562                             }
 563                         }
 564                     }
 565                 }
 566             }
 567
 568             // stage 2: remove the folder itself and any local file inside out of sync;
 569             //          for instance, after clearing the app cache or reinstalling
 570             success &= removeLocalFolder(localFolder);
 571         }
 572         return success;
 573     }
 574
 575     private boolean removeLocalFolder(File localFolder) {
 576         boolean success = true;
 577         File[] localFiles = localFolder.listFiles();
 578         if (localFiles != null) {
 579             for (File localFile : localFiles) {
 580                 if (localFile.isDirectory()) {
 581                     success &= removeLocalFolder(localFile);
 582                 } else {
 583                     String path = localFile.getAbsolutePath();
 584                     success &= localFile.delete();
 585
 586                     // Notify MediaScanner about removed file
 587                     Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
 588                     intent.setData(Uri.fromFile(new File(path)));
 589                     MainApp.getAppContext().sendBroadcast(intent);
 590                 }
 591             }
 592         }
 593         success &= localFolder.delete();
 594         return success;
 595     }
 596
 597     /**
 598      * Updates database for a folder that was moved to a different location.
 599      *
 600      * TODO explore better (faster) implementations
 601      * TODO throw exceptions up !
 602      */
 603     public void moveFolder(OCFile folder, String newPath) {
 604         // TODO check newPath
 605
 606         if (    folder != null && folder.isFolder() &&
 607                 folder.fileExists() && !OCFile.ROOT_PATH.equals(folder.getFileName())
 608             ) {
 609             /// 1. get all the descendants of 'dir' in a single QUERY (including 'dir')
 610             Cursor c = null;
 611             if (getContentProviderClient() != null) {
 612                 try {
 613                     c = getContentProviderClient().query (
 614                         ProviderTableMeta.CONTENT_URI,
 615                         null,
 616                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 617                                 ProviderTableMeta.FILE_PATH + " LIKE ? ",
 618                         new String[] { mAccount.name, folder.getRemotePath() + "%"  },
 619                         ProviderTableMeta.FILE_PATH + " ASC "
 620                     );
 621                 } catch (RemoteException e) {
 622                     Log_OC.e(TAG, e.getMessage());
 623                 }
 624             } else {
 625                 c = getContentResolver().query (
 626                     ProviderTableMeta.CONTENT_URI,
 627                     null,
 628                     ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 629                             ProviderTableMeta.FILE_PATH + " LIKE ? ",
 630                     new String[] { mAccount.name, folder.getRemotePath() + "%"  },
 631                     ProviderTableMeta.FILE_PATH + " ASC "
 632                 );
 633             }
 634
 635             /// 2. prepare a batch of update operations to change all the descendants
 636             ArrayList<ContentProviderOperation> operations =
 637                     new ArrayList<ContentProviderOperation>(c.getCount());
 638             int lengthOfOldPath = folder.getRemotePath().length();
 639             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 640             int lengthOfOldStoragePath = defaultSavePath.length() + lengthOfOldPath;
 641             if (c.moveToFirst()) {
 642                 do {
 643                     ContentValues cv = new ContentValues(); // keep the constructor in the loop
 644                     OCFile child = createFileInstance(c);
 645                     cv.put(
 646                         ProviderTableMeta.FILE_PATH,
 647                         newPath + child.getRemotePath().substring(lengthOfOldPath)
 648                     );
 649                     if (    child.getStoragePath() != null &&
 650                             child.getStoragePath().startsWith(defaultSavePath)  ) {
 651                         cv.put(
 652                                 ProviderTableMeta.FILE_STORAGE_PATH,
 653                                 defaultSavePath + newPath +
 654                                     child.getStoragePath().substring(lengthOfOldStoragePath)
 655                         );
 656                     }
 657                     operations.add(
 658                             ContentProviderOperation.
 659                             newUpdate(ProviderTableMeta.CONTENT_URI).
 660                             withValues(cv).
 661                             withSelection(
 662                                     ProviderTableMeta._ID + "=?",
 663                                     new String[] { String.valueOf(child.getFileId()) }
 664                             ).
 665                             build()
 666                     );
 667                 } while (c.moveToNext());
 668             }
 669             c.close();
 670
 671             /// 3. apply updates in batch
 672             try {
 673                 if (getContentResolver() != null) {
 674                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 675
 676                 } else {
 677                     getContentProviderClient().applyBatch(operations);
 678                 }
 679
 680             } catch (OperationApplicationException e) {
 681                 Log_OC.e(TAG, "Fail to update descendants of " +
 682                         folder.getFileId() + " in database", e);
 683
 684             } catch (RemoteException e) {
 685                 Log_OC.e(TAG, "Fail to update desendants of " +
 686                         folder.getFileId() + " in database", e);
 687             }
 688
 689         }
 690     }
 691
 692
 693     public void moveLocalFile(OCFile file, String targetPath, String targetParentPath) {
 694
 695         if (file != null && file.fileExists() && !OCFile.ROOT_PATH.equals(file.getFileName())) {
 696
 697             OCFile targetParent = getFileByPath(targetParentPath);
 698             if (targetParent == null) {
 699                 // TODO panic
 700             }
 701
 702             /// 1. get all the descendants of the moved element in a single QUERY
 703             Cursor c = null;
 704             if (getContentProviderClient() != null) {
 705                 try {
 706                     c = getContentProviderClient().query(
 707                         ProviderTableMeta.CONTENT_URI,
 708                         null,
 709                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 710                                 ProviderTableMeta.FILE_PATH + " LIKE ? ",
 711                         new String[] {
 712                                 mAccount.name,
 713                                 file.getRemotePath() + "%"
 714                         },
 715                         ProviderTableMeta.FILE_PATH + " ASC "
 716                     );
 717                 } catch (RemoteException e) {
 718                     Log_OC.e(TAG, e.getMessage());
 719                 }
 720
 721             } else {
 722                 c = getContentResolver().query(
 723                     ProviderTableMeta.CONTENT_URI,
 724                     null,
 725                     ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 726                             ProviderTableMeta.FILE_PATH + " LIKE ? ",
 727                     new String[] {
 728                             mAccount.name,
 729                             file.getRemotePath() + "%"
 730                     },
 731                     ProviderTableMeta.FILE_PATH + " ASC "
 732                 );
 733             }
 734
 735             /// 2. prepare a batch of update operations to change all the descendants
 736             ArrayList<ContentProviderOperation> operations =
 737                     new ArrayList<ContentProviderOperation>(c.getCount());
 738             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 739             if (c.moveToFirst()) {
 740                 int lengthOfOldPath = file.getRemotePath().length();
 741                 int lengthOfOldStoragePath = defaultSavePath.length() + lengthOfOldPath;
 742                 do {
 743                     ContentValues cv = new ContentValues(); // keep construction in the loop
 744                     OCFile child = createFileInstance(c);
 745                     cv.put(
 746                         ProviderTableMeta.FILE_PATH,
 747                         targetPath + child.getRemotePath().substring(lengthOfOldPath)
 748                     );
 749                     if (child.getStoragePath() != null &&
 750                             child.getStoragePath().startsWith(defaultSavePath)) {
 751                         // update link to downloaded content - but local move is not done here!
 752                         cv.put(
 753                             ProviderTableMeta.FILE_STORAGE_PATH,
 754                             defaultSavePath + targetPath +
 755                                 child.getStoragePath().substring(lengthOfOldStoragePath)
 756                         );
 757                     }
 758                     if (child.getRemotePath().equals(file.getRemotePath())) {
 759                         cv.put(
 760                                 ProviderTableMeta.FILE_PARENT,
 761                                 targetParent.getFileId()
 762                             );
 763                     }
 764                     operations.add(
 765                         ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 766                             withValues(cv).
 767                             withSelection(
 768                                     ProviderTableMeta._ID + "=?",
 769                                     new String[] { String.valueOf(child.getFileId()) }
 770                                     )
 771                             .build());
 772
 773                 } while (c.moveToNext());
 774             }
 775             c.close();
 776
 777             /// 3. apply updates in batch
 778             try {
 779                 if (getContentResolver() != null) {
 780                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 781
 782                 } else {
 783                     getContentProviderClient().applyBatch(operations);
 784                 }
 785
 786             } catch (Exception e) {
 787                 Log_OC.e(
 788                     TAG,
 789                     "Fail to update " + file.getFileId() + " and descendants in database",
 790                     e
 791                 );
 792             }
 793
 794             /// 4. move in local file system
 795             String localPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, file);
 796             File localFile = new File(localPath);
 797             boolean renamed = false;
 798             if (localFile.exists()) {
 799                 File targetFile = new File(defaultSavePath + targetPath);
 800                 File targetFolder = targetFile.getParentFile();
 801                 if (!targetFolder.exists()) {
 802                     targetFolder.mkdirs();
 803                 }
 804                 renamed = localFile.renameTo(targetFile);
 805             }
 806             Log_OC.d(TAG, "Local file RENAMED : " + renamed);
 807
 808             // Notify MediaScanner about removed file
 809             Intent intent1 = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
 810             intent1.setData(Uri.fromFile(new File(file.getStoragePath())));
 811             MainApp.getAppContext().sendBroadcast(intent1);
 812
 813             // Notify MediaScanner about new file/folder
 814             Intent intent2 = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
 815             intent2.setData(Uri.fromFile(new File(defaultSavePath + targetPath)));
 816             MainApp.getAppContext().sendBroadcast(intent2);
 817
 818             Log_OC.d(TAG, "uri old: " + file.getStoragePath());
 819             Log_OC.d(TAG, "uri new: " + defaultSavePath + targetPath);
 820         }
 821
 822     }
 823
 824
 825     private Vector<OCFile> getFolderContent(long parentId) {
 826
 827         Vector<OCFile> ret = new Vector<OCFile>();
 828
 829         Uri req_uri = Uri.withAppendedPath(
 830                 ProviderTableMeta.CONTENT_URI_DIR,
 831                 String.valueOf(parentId));
 832         Cursor c = null;
 833
 834         if (getContentProviderClient() != null) {
 835             try {
 836                 c = getContentProviderClient().query(req_uri, null,
 837                         ProviderTableMeta.FILE_PARENT + "=?" ,
 838                         new String[] { String.valueOf(parentId)}, null);
 839             } catch (RemoteException e) {
 840                 Log_OC.e(TAG, e.getMessage());
 841                 return ret;
 842             }
 843         } else {
 844             c = getContentResolver().query(req_uri, null,
 845                     ProviderTableMeta.FILE_PARENT + "=?" ,
 846                     new String[] { String.valueOf(parentId)}, null);
 847         }
 848
 849         if (c.moveToFirst()) {
 850             do {
 851                 OCFile child = createFileInstance(c);
 852                 ret.add(child);
 853             } while (c.moveToNext());
 854         }
 855
 856         c.close();
 857
 858         Collections.sort(ret);
 859
 860         return ret;
 861     }
 862
 863
 864     private OCFile createRootDir() {
 865         OCFile file = new OCFile(OCFile.ROOT_PATH);
 866         file.setMimetype("DIR");
 867         file.setParentId(FileDataStorageManager.ROOT_PARENT_ID);
 868         saveFile(file);
 869         return file;
 870     }
 871
 872     private boolean fileExists(String cmp_key, String value) {
 873         Cursor c;
 874         if (getContentResolver() != null) {
 875             c = getContentResolver()
 876                     .query(ProviderTableMeta.CONTENT_URI,
 877                             null,
 878                             cmp_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                         cmp_key + "=? AND "
 888                                 + ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
 889                                 new String[] { value, mAccount.name }, null);
 890             } catch (RemoteException e) {
 891                 Log_OC.e(TAG,
 892                         "Couldn't determine file existance, assuming non existance: "
 893                                 + e.getMessage());
 894                 return false;
 895             }
 896         }
 897         boolean retval = c.moveToFirst();
 898         c.close();
 899         return retval;
 900     }
 901
 902     private Cursor getCursorForValue(String key, String value) {
 903         Cursor c = null;
 904         if (getContentResolver() != null) {
 905             c = getContentResolver()
 906                     .query(ProviderTableMeta.CONTENT_URI,
 907                             null,
 908                             key + "=? AND "
 909                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 910                                     + "=?",
 911                                     new String[] { value, mAccount.name }, null);
 912         } else {
 913             try {
 914                 c = getContentProviderClient().query(
 915                         ProviderTableMeta.CONTENT_URI,
 916                         null,
 917                         key + "=? AND " + ProviderTableMeta.FILE_ACCOUNT_OWNER
 918                         + "=?", new String[] { value, mAccount.name },
 919                         null);
 920             } catch (RemoteException e) {
 921                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 922                 c = null;
 923             }
 924         }
 925         return c;
 926     }
 927
 928
 929     private OCFile createFileInstance(Cursor c) {
 930         OCFile file = null;
 931         if (c != null) {
 932             file = new OCFile(c.getString(c
 933                     .getColumnIndex(ProviderTableMeta.FILE_PATH)));
 934             file.setFileId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
 935             file.setParentId(c.getLong(c
 936                     .getColumnIndex(ProviderTableMeta.FILE_PARENT)));
 937             file.setMimetype(c.getString(c
 938                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE)));
 939             if (!file.isFolder()) {
 940                 file.setStoragePath(c.getString(c
 941                         .getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH)));
 942                 if (file.getStoragePath() == null) {
 943                     // try to find existing file and bind it with current account;
 944                     // with the current update of SynchronizeFolderOperation, this won't be
 945                     // necessary anymore after a full synchronization of the account
 946                     File f = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 947                     if (f.exists()) {
 948                         file.setStoragePath(f.getAbsolutePath());
 949                         file.setLastSyncDateForData(f.lastModified());
 950                     }
 951                 }
 952             }
 953             file.setFileLength(c.getLong(c
 954                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH)));
 955             file.setCreationTimestamp(c.getLong(c
 956                     .getColumnIndex(ProviderTableMeta.FILE_CREATION)));
 957             file.setModificationTimestamp(c.getLong(c
 958                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED)));
 959             file.setModificationTimestampAtLastSyncForData(c.getLong(c
 960                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA)));
 961             file.setLastSyncDateForProperties(c.getLong(c
 962                     .getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE)));
 963             file.setLastSyncDateForData(c.getLong(c.
 964                     getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA)));
 965             file.setKeepInSync(c.getInt(
 966                     c.getColumnIndex(ProviderTableMeta.FILE_KEEP_IN_SYNC)) == 1 ? true : false);
 967             file.setEtag(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG)));
 968             file.setShareByLink(c.getInt(
 969                     c.getColumnIndex(ProviderTableMeta.FILE_SHARE_BY_LINK)) == 1 ? true : false);
 970             file.setPublicLink(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PUBLIC_LINK)));
 971             file.setPermissions(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PERMISSIONS)));
 972             file.setRemoteId(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_REMOTE_ID)));
 973             file.setNeedsUpdateThumbnail(c.getInt(
 974                     c.getColumnIndex(ProviderTableMeta.FILE_UPDATE_THUMBNAIL)) == 1 ? true : false);
 975
 976         }
 977         return file;
 978     }
 979
 980     /**
 981      * Returns if the file/folder is shared by link or not
 982      * @param path  Path of the file/folder
 983      * @return
 984      */
 985     public boolean isShareByLink(String path) {
 986         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 987         OCFile file = null;
 988         if (c.moveToFirst()) {
 989             file = createFileInstance(c);
 990         }
 991         c.close();
 992         return file.isShareByLink();
 993     }
 994
 995     /**
 996      * Returns the public link of the file/folder
 997      * @param path  Path of the file/folder
 998      * @return
 999      */
1000     public String getPublicLink(String path) {
1001         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
1002         OCFile file = null;
1003         if (c.moveToFirst()) {
1004             file = createFileInstance(c);
1005         }
1006         c.close();
1007         return file.getPublicLink();
1008     }
1009
1010
1011     // Methods for Shares
1012     public boolean saveShare(OCShare share) {
1013         boolean overriden = false;
1014         ContentValues cv = new ContentValues();
1015         cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1016         cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1017         cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1018         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1019         cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1020         cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1021         cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1022         cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1023         cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1024         cv.put(
1025             ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1026             share.getSharedWithDisplayName()
1027         );
1028         cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1029         cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1030         cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1031         cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1032
1033         if (shareExists(share.getIdRemoteShared())) {   // for renamed files
1034
1035             overriden = true;
1036             if (getContentResolver() != null) {
1037                 getContentResolver().update(ProviderTableMeta.CONTENT_URI_SHARE, cv,
1038                         ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1039                         new String[] { String.valueOf(share.getIdRemoteShared()) });
1040             } else {
1041                 try {
1042                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_SHARE,
1043                             cv, ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1044                             new String[] { String.valueOf(share.getIdRemoteShared()) });
1045                 } catch (RemoteException e) {
1046                     Log_OC.e(TAG,
1047                             "Fail to insert insert file to database "
1048                                     + e.getMessage());
1049                 }
1050             }
1051         } else {
1052             Uri result_uri = null;
1053             if (getContentResolver() != null) {
1054                 result_uri = getContentResolver().insert(
1055                         ProviderTableMeta.CONTENT_URI_SHARE, cv);
1056             } else {
1057                 try {
1058                     result_uri = getContentProviderClient().insert(
1059                             ProviderTableMeta.CONTENT_URI_SHARE, cv);
1060                 } catch (RemoteException e) {
1061                     Log_OC.e(TAG,
1062                             "Fail to insert insert file to database "
1063                                     + e.getMessage());
1064                 }
1065             }
1066             if (result_uri != null) {
1067                 long new_id = Long.parseLong(result_uri.getPathSegments()
1068                         .get(1));
1069                 share.setId(new_id);
1070             }
1071         }
1072
1073         return overriden;
1074     }
1075
1076
1077     public OCShare getFirstShareByPathAndType(String path, ShareType type) {
1078         Cursor c = null;
1079         if (getContentResolver() != null) {
1080             c = getContentResolver().query(
1081                     ProviderTableMeta.CONTENT_URI_SHARE,
1082                     null,
1083                     ProviderTableMeta.OCSHARES_PATH + "=? AND "
1084                             + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
1085                             + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1086                     new String[] { path, Integer.toString(type.getValue()), mAccount.name },
1087                     null);
1088         } else {
1089             try {
1090                 c = getContentProviderClient().query(
1091                         ProviderTableMeta.CONTENT_URI_SHARE,
1092                         null,
1093                         ProviderTableMeta.OCSHARES_PATH + "=? AND "
1094                                 + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
1095                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1096                         new String[] { path, Integer.toString(type.getValue()), mAccount.name },
1097                         null);
1098
1099             } catch (RemoteException e) {
1100                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
1101                 c = null;
1102             }
1103         }
1104         OCShare share = null;
1105         if (c.moveToFirst()) {
1106             share = createShareInstance(c);
1107         }
1108         c.close();
1109         return share;
1110     }
1111
1112     private OCShare createShareInstance(Cursor c) {
1113         OCShare share = null;
1114         if (c != null) {
1115             share = new OCShare(c.getString(c
1116                     .getColumnIndex(ProviderTableMeta.OCSHARES_PATH)));
1117             share.setId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
1118             share.setFileSource(c.getLong(c
1119                     .getColumnIndex(ProviderTableMeta.OCSHARES_ITEM_SOURCE)));
1120             share.setShareType(ShareType.fromValue(c.getInt(c
1121                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_TYPE))));
1122             share.setPermissions(c.getInt(c
1123                     .getColumnIndex(ProviderTableMeta.OCSHARES_PERMISSIONS)));
1124             share.setSharedDate(c.getLong(c
1125                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARED_DATE)));
1126             share.setExpirationDate(c.getLong(c
1127                     .getColumnIndex(ProviderTableMeta.OCSHARES_EXPIRATION_DATE)));
1128             share.setToken(c.getString(c
1129                     .getColumnIndex(ProviderTableMeta.OCSHARES_TOKEN)));
1130             share.setSharedWithDisplayName(c.getString(c
1131                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME)));
1132             share.setIsFolder(c.getInt(
1133                     c.getColumnIndex(ProviderTableMeta.OCSHARES_IS_DIRECTORY)) == 1 ? true : false);
1134             share.setUserId(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_USER_ID)));
1135             share.setIdRemoteShared(
1136                 c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED))
1137             );
1138
1139         }
1140         return share;
1141     }
1142
1143     private boolean shareExists(String cmp_key, String value) {
1144         Cursor c;
1145         if (getContentResolver() != null) {
1146             c = getContentResolver()
1147                     .query(ProviderTableMeta.CONTENT_URI_SHARE,
1148                             null,
1149                             cmp_key + "=? AND "
1150                                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
1151                                     + "=?",
1152                                     new String[] { value, mAccount.name }, null);
1153         } else {
1154             try {
1155                 c = getContentProviderClient().query(
1156                         ProviderTableMeta.CONTENT_URI_SHARE,
1157                         null,
1158                         cmp_key + "=? AND "
1159                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1160                                 new String[] { value, mAccount.name }, null);
1161             } catch (RemoteException e) {
1162                 Log_OC.e(TAG,
1163                         "Couldn't determine file existance, assuming non existance: "
1164                                 + e.getMessage());
1165                 return false;
1166             }
1167         }
1168         boolean retval = c.moveToFirst();
1169         c.close();
1170         return retval;
1171     }
1172
1173     private boolean shareExists(long remoteId) {
1174         return shareExists(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, String.valueOf(remoteId));
1175     }
1176
1177     private void cleanSharedFiles() {
1178         ContentValues cv = new ContentValues();
1179         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
1180         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1181         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?";
1182         String [] whereArgs = new String[]{mAccount.name};
1183
1184         if (getContentResolver() != null) {
1185             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1186
1187         } else {
1188             try {
1189                 getContentProviderClient().update(
1190                         ProviderTableMeta.CONTENT_URI, cv, where, whereArgs
1191                 );
1192
1193             } catch (RemoteException e) {
1194                 Log_OC.e(TAG, "Exception in cleanSharedFiles" + e.getMessage());
1195             }
1196         }
1197     }
1198
1199     private void cleanSharedFilesInFolder(OCFile folder) {
1200         ContentValues cv = new ContentValues();
1201         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
1202         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1203         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1204                 ProviderTableMeta.FILE_PARENT + "=?";
1205         String [] whereArgs = new String[] { mAccount.name , String.valueOf(folder.getFileId()) };
1206
1207         if (getContentResolver() != null) {
1208             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1209
1210         } else {
1211             try {
1212                 getContentProviderClient().update(
1213                         ProviderTableMeta.CONTENT_URI, cv, where, whereArgs
1214                 );
1215
1216             } catch (RemoteException e) {
1217                 Log_OC.e(TAG, "Exception in cleanSharedFilesInFolder " + e.getMessage());
1218             }
1219         }
1220     }
1221
1222     private void cleanShares() {
1223         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1224         String [] whereArgs = new String[]{mAccount.name};
1225
1226         if (getContentResolver() != null) {
1227             getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1228
1229         } else {
1230             try {
1231                 getContentProviderClient().delete(
1232                         ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs
1233                 );
1234
1235             } catch (RemoteException e) {
1236                 Log_OC.e(TAG, "Exception in cleanShares" + e.getMessage());
1237             }
1238         }
1239     }
1240
1241     public void saveShares(Collection<OCShare> shares) {
1242         cleanShares();
1243         if (shares != null) {
1244             ArrayList<ContentProviderOperation> operations =
1245                     new ArrayList<ContentProviderOperation>(shares.size());
1246
1247             // prepare operations to insert or update files to save in the given folder
1248             for (OCShare share : shares) {
1249                 ContentValues cv = new ContentValues();
1250                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1251                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1252                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1253                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1254                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1255                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1256                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1257                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1258                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1259                 cv.put(
1260                     ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1261                     share.getSharedWithDisplayName()
1262                 );
1263                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1264                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1265                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1266                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1267
1268                 if (shareExists(share.getIdRemoteShared())) {
1269                     // updating an existing file
1270                     operations.add(
1271                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1272                             withValues(cv).
1273                             withSelection(
1274                                     ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1275                                     new String[] { String.valueOf(share.getIdRemoteShared()) }
1276                             ).
1277                             build()
1278                     );
1279
1280                 } else {
1281                     // adding a new file
1282                     operations.add(
1283                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1284                             withValues(cv).
1285                             build()
1286                     );
1287                 }
1288             }
1289
1290             // apply operations in batch
1291             if (operations.size() > 0) {
1292                 @SuppressWarnings("unused")
1293                 ContentProviderResult[] results = null;
1294                 Log_OC.d(TAG, "Sending " + operations.size() +
1295                         " operations to FileContentProvider");
1296                 try {
1297                     if (getContentResolver() != null) {
1298                         results = getContentResolver().applyBatch(
1299                                 MainApp.getAuthority(), operations
1300                         );
1301
1302                     } else {
1303                         results = getContentProviderClient().applyBatch(operations);
1304                     }
1305
1306                 } catch (OperationApplicationException e) {
1307                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1308
1309                 } catch (RemoteException e) {
1310                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1311                 }
1312             }
1313         }
1314
1315     }
1316
1317     public void updateSharedFiles(Collection<OCFile> sharedFiles) {
1318         cleanSharedFiles();
1319
1320         if (sharedFiles != null) {
1321             ArrayList<ContentProviderOperation> operations =
1322                     new ArrayList<ContentProviderOperation>(sharedFiles.size());
1323
1324             // prepare operations to insert or update files to save in the given folder
1325             for (OCFile file : sharedFiles) {
1326                 ContentValues cv = new ContentValues();
1327                 cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
1328                 cv.put(
1329                     ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
1330                     file.getModificationTimestampAtLastSyncForData()
1331                 );
1332                 cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
1333                 cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
1334                 cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
1335                 cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
1336                 cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
1337                 cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
1338                 if (!file.isFolder()) {
1339                     cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
1340                 }
1341                 cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
1342                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
1343                 cv.put(
1344                     ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA,
1345                     file.getLastSyncDateForData()
1346                 );
1347                 cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.keepInSync() ? 1 : 0);
1348                 cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
1349                 cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
1350                 cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
1351                 cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
1352                 cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
1353                 cv.put(
1354                     ProviderTableMeta.FILE_UPDATE_THUMBNAIL,
1355                     file.needsUpdateThumbnail() ? 1 : 0
1356                 );
1357
1358                 boolean existsByPath = fileExists(file.getRemotePath());
1359                 if (existsByPath || fileExists(file.getFileId())) {
1360                     // updating an existing file
1361                     operations.add(
1362                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
1363                             withValues(cv).
1364                             withSelection(
1365                                     ProviderTableMeta._ID + "=?",
1366                                     new String[] { String.valueOf(file.getFileId()) }
1367                             ).build()
1368                     );
1369
1370                 } else {
1371                     // adding a new file
1372                     operations.add(
1373                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
1374                             withValues(cv).
1375                             build()
1376                     );
1377                 }
1378             }
1379
1380             // apply operations in batch
1381             if (operations.size() > 0) {
1382                 @SuppressWarnings("unused")
1383                 ContentProviderResult[] results = null;
1384                 Log_OC.d(TAG, "Sending " + operations.size() +
1385                         " operations to FileContentProvider");
1386                 try {
1387                     if (getContentResolver() != null) {
1388                         results = getContentResolver().applyBatch(
1389                                 MainApp.getAuthority(), operations
1390                         );
1391
1392                     } else {
1393                         results = getContentProviderClient().applyBatch(operations);
1394                     }
1395
1396                 } catch (OperationApplicationException e) {
1397                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1398
1399                 } catch (RemoteException e) {
1400                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1401                 }
1402             }
1403         }
1404
1405     }
1406
1407     public void removeShare(OCShare share){
1408         Uri share_uri = ProviderTableMeta.CONTENT_URI_SHARE;
1409         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?" + " AND " +
1410                 ProviderTableMeta.FILE_PATH + "=?";
1411         String [] whereArgs = new String[]{mAccount.name, share.getPath()};
1412         if (getContentProviderClient() != null) {
1413             try {
1414                 getContentProviderClient().delete(share_uri, where, whereArgs);
1415             } catch (RemoteException e) {
1416                 e.printStackTrace();
1417             }
1418         } else {
1419             getContentResolver().delete(share_uri, where, whereArgs);
1420         }
1421     }
1422
1423     public void saveSharesDB(ArrayList<OCShare> shares) {
1424         saveShares(shares);
1425
1426         ArrayList<OCFile> sharedFiles = new ArrayList<OCFile>();
1427
1428         for (OCShare share : shares) {
1429             // Get the path
1430             String path = share.getPath();
1431             if (share.isFolder()) {
1432                 path = path + FileUtils.PATH_SEPARATOR;
1433             }
1434
1435             // Update OCFile with data from share: ShareByLink  and publicLink
1436             OCFile file = getFileByPath(path);
1437             if (file != null) {
1438                 if (share.getShareType().equals(ShareType.PUBLIC_LINK)) {
1439                     file.setShareByLink(true);
1440                     sharedFiles.add(file);
1441                 }
1442             }
1443         }
1444
1445         updateSharedFiles(sharedFiles);
1446     }
1447
1448
1449     public void saveSharesInFolder(ArrayList<OCShare> shares, OCFile folder) {
1450         cleanSharedFilesInFolder(folder);
1451         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1452         operations = prepareRemoveSharesInFolder(folder, operations);
1453
1454         if (shares != null) {
1455             // prepare operations to insert or update files to save in the given folder
1456             for (OCShare share : shares) {
1457                 ContentValues cv = new ContentValues();
1458                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1459                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1460                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1461                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1462                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1463                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1464                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1465                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1466                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1467                 cv.put(
1468                     ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1469                     share.getSharedWithDisplayName()
1470                 );
1471                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1472                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1473                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1474                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1475
1476                 /*
1477                 if (shareExists(share.getIdRemoteShared())) {
1478                     // updating an existing share resource
1479                     operations.add(
1480                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1481                             withValues(cv).
1482                             withSelection(  ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1483                                     new String[] { String.valueOf(share.getIdRemoteShared()) })
1484                                     .build());
1485
1486                 } else {
1487                 */
1488                 // adding a new share resource
1489                 operations.add(
1490                         ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1491                         withValues(cv).
1492                         build()
1493                 );
1494                 //}
1495             }
1496         }
1497
1498         // apply operations in batch
1499         if (operations.size() > 0) {
1500             @SuppressWarnings("unused")
1501             ContentProviderResult[] results = null;
1502             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1503             try {
1504                 if (getContentResolver() != null) {
1505                     results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1506
1507                 } else {
1508                     results = getContentProviderClient().applyBatch(operations);
1509                 }
1510
1511             } catch (OperationApplicationException e) {
1512                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1513
1514             } catch (RemoteException e) {
1515                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1516             }
1517         }
1518         //}
1519
1520     }
1521
1522     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFolder(
1523             OCFile folder, ArrayList<ContentProviderOperation> preparedOperations
1524             ) {
1525         if (folder != null) {
1526             String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND "
1527                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1528             String [] whereArgs = new String[]{ "", mAccount.name };
1529
1530             Vector<OCFile> files = getFolderContent(folder);
1531
1532             for (OCFile file : files) {
1533                 whereArgs[0] = file.getRemotePath();
1534                 preparedOperations.add(
1535                         ContentProviderOperation.newDelete(ProviderTableMeta.CONTENT_URI_SHARE).
1536                         withSelection(where, whereArgs).
1537                         build()
1538                 );
1539             }
1540         }
1541         return preparedOperations;
1542
1543         /*
1544         if (operations.size() > 0) {
1545             try {
1546                 if (getContentResolver() != null) {
1547                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1548
1549                 } else {
1550                     getContentProviderClient().applyBatch(operations);
1551                 }
1552
1553             } catch (OperationApplicationException e) {
1554                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1555
1556             } catch (RemoteException e) {
1557                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1558             }
1559         }
1560         */
1561
1562             /*
1563             if (getContentResolver() != null) {
1564
1565                 getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE,
1566                                             where,
1567                                             whereArgs);
1568             } else {
1569                 try {
1570                     getContentProviderClient().delete(  ProviderTableMeta.CONTENT_URI_SHARE,
1571                                                         where,
1572                                                         whereArgs);
1573
1574                 } catch (RemoteException e) {
1575                     Log_OC.e(TAG, "Exception deleting shares in a folder " + e.getMessage());
1576                 }
1577             }
1578             */
1579         //}
1580     }
1581
1582 }