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

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   Copyright (C) 2012  Bartek Przybylski
   5  *   Copyright (C) 2015 ownCloud Inc.
   6  *
   7  *   This program is free software: you can redistribute it and/or modify
   8  *   it under the terms of the GNU General Public License version 2,
   9  *   as published by the Free Software Foundation.
  10  *
  11  *   This program is distributed in the hope that it will be useful,
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *   GNU General Public License for more details.
  15  *
  16  *   You should have received a copy of the GNU General Public License
  17  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  *
  19  */
  20
  21 package com.owncloud.android.datamodel;
  22
  23 import java.io.File;
  24 import java.util.ArrayList;
  25 import java.util.Collection;
  26 import java.util.Collections;
  27 import java.util.Iterator;
  28 import java.util.List;
  29 import java.util.Vector;
  30
  31 import android.accounts.Account;
  32 import android.content.ContentProviderClient;
  33 import android.content.ContentProviderOperation;
  34 import android.content.ContentProviderResult;
  35 import android.content.ContentResolver;
  36 import android.content.ContentUris;
  37 import android.content.ContentValues;
  38 import android.content.Intent;
  39 import android.content.OperationApplicationException;
  40 import android.database.Cursor;
  41 import android.net.Uri;
  42 import android.os.RemoteException;
  43 import android.provider.MediaStore;
  44
  45 import com.owncloud.android.MainApp;
  46 import com.owncloud.android.db.ProviderMeta.ProviderTableMeta;
  47 import com.owncloud.android.lib.common.utils.Log_OC;
  48 import com.owncloud.android.lib.resources.files.FileUtils;
  49 import com.owncloud.android.lib.resources.shares.OCShare;
  50 import com.owncloud.android.lib.resources.shares.ShareType;
  51 import com.owncloud.android.utils.FileStorageUtils;
  52
  53 import java.io.FileInputStream;
  54 import java.io.FileOutputStream;
  55 import java.io.IOException;
  56 import java.io.InputStream;
  57 import java.io.OutputStream;
  58
  59 public class FileDataStorageManager {
  60
  61     public static final int ROOT_PARENT_ID = 0;
  62
  63     private ContentResolver mContentResolver;
  64     private ContentProviderClient mContentProviderClient;
  65     private Account mAccount;
  66
  67     private static String TAG = FileDataStorageManager.class.getSimpleName();
  68
  69
  70     public FileDataStorageManager(Account account, ContentResolver cr) {
  71         mContentProviderClient = null;
  72         mContentResolver = cr;
  73         mAccount = account;
  74     }
  75
  76     public FileDataStorageManager(Account account, ContentProviderClient cp) {
  77         mContentProviderClient = cp;
  78         mContentResolver = null;
  79         mAccount = account;
  80     }
  81
  82
  83     public void setAccount(Account account) {
  84         mAccount = account;
  85     }
  86
  87     public Account getAccount() {
  88         return mAccount;
  89     }
  90
  91     public void setContentResolver(ContentResolver cr) {
  92         mContentResolver = cr;
  93     }
  94
  95     public ContentResolver getContentResolver() {
  96         return mContentResolver;
  97     }
  98
  99     public void setContentProviderClient(ContentProviderClient cp) {
 100         mContentProviderClient = cp;
 101     }
 102
 103     public ContentProviderClient getContentProviderClient() {
 104         return mContentProviderClient;
 105     }
 106
 107
 108     public OCFile getFileByPath(String path) {
 109         Cursor c = getCursorForValue(ProviderTableMeta.FILE_PATH, path);
 110         OCFile file = null;
 111         if (c.moveToFirst()) {
 112             file = createFileInstance(c);
 113         }
 114         c.close();
 115         if (file == null && OCFile.ROOT_PATH.equals(path)) {
 116             return createRootDir(); // root should always exist
 117         }
 118         return file;
 119     }
 120
 121
 122     public OCFile getFileById(long id) {
 123         Cursor c = getCursorForValue(ProviderTableMeta._ID, String.valueOf(id));
 124         OCFile file = null;
 125         if (c.moveToFirst()) {
 126             file = createFileInstance(c);
 127         }
 128         c.close();
 129         return file;
 130     }
 131
 132     public OCFile getFileByLocalPath(String path) {
 133         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 134         OCFile file = null;
 135         if (c.moveToFirst()) {
 136             file = createFileInstance(c);
 137         }
 138         c.close();
 139         return file;
 140     }
 141
 142     public boolean fileExists(long id) {
 143         return fileExists(ProviderTableMeta._ID, String.valueOf(id));
 144     }
 145
 146     public boolean fileExists(String path) {
 147         return fileExists(ProviderTableMeta.FILE_PATH, path);
 148     }
 149
 150
 151     public Vector<OCFile> getFolderContent(OCFile f/*, boolean onlyOnDevice*/) {
 152         if (f != null && f.isFolder() && f.getFileId() != -1) {
 153             // TODO Enable when "On Device" is recovered ?
 154             return getFolderContent(f.getFileId()/*, onlyOnDevice*/);
 155
 156         } else {
 157             return new Vector<OCFile>();
 158         }
 159     }
 160
 161
 162     public Vector<OCFile> getFolderImages(OCFile folder/*, boolean onlyOnDevice*/) {
 163         Vector<OCFile> ret = new Vector<OCFile>();
 164         if (folder != null) {
 165             // TODO better implementation, filtering in the access to database instead of here
 166             // TODO Enable when "On Device" is recovered ?
 167             Vector<OCFile> tmp = getFolderContent(folder/*, onlyOnDevice*/);
 168             OCFile current = null;
 169             for (int i=0; i<tmp.size(); i++) {
 170                 current = tmp.get(i);
 171                 if (current.isImage()) {
 172                     ret.add(current);
 173                 }
 174             }
 175         }
 176         return ret;
 177     }
 178
 179     public boolean saveFile(OCFile file) {
 180         boolean overriden = false;
 181         ContentValues cv = new ContentValues();
 182         cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 183         cv.put(
 184             ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 185             file.getModificationTimestampAtLastSyncForData()
 186         );
 187         cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 188         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 189         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 190         cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 191         //if (file.getParentId() != DataStorageManager.ROOT_PARENT_ID)
 192         cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 193         cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 194         if (!file.isFolder())
 195             cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 196         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 197         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 198         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 199         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.isFavorite() ? 1 : 0);
 200         cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 201         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
 202         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 203         cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 204         cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 205         cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
 206         cv.put(ProviderTableMeta.FILE_IS_DOWNLOADING, file.isDownloading());
 207         cv.put(ProviderTableMeta.FILE_IN_CONFLICT, file.isInConflict());
 208
 209         boolean sameRemotePath = fileExists(file.getRemotePath());
 210         if (sameRemotePath ||                fileExists(file.getFileId())) {           // for renamed files; no more delete and create
 211
 212             OCFile oldFile = null;
 213             if (sameRemotePath) {
 214                 oldFile = getFileByPath(file.getRemotePath());
 215                 file.setFileId(oldFile.getFileId());
 216             } else {
 217                 oldFile = getFileById(file.getFileId());
 218             }
 219
 220             overriden = true;
 221             if (getContentResolver() != null) {
 222                 getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv,
 223                         ProviderTableMeta._ID + "=?",
 224                         new String[]{String.valueOf(file.getFileId())});
 225             } else {
 226                 try {
 227                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI,
 228                             cv, ProviderTableMeta._ID + "=?",
 229                             new String[]{String.valueOf(file.getFileId())});
 230                 } catch (RemoteException e) {
 231                     Log_OC.e(TAG,
 232                             "Fail to insert insert file to database "
 233                                     + e.getMessage());
 234                 }
 235             }
 236         } else {
 237             Uri result_uri = null;
 238             if (getContentResolver() != null) {
 239                 result_uri = getContentResolver().insert(
 240                         ProviderTableMeta.CONTENT_URI_FILE, cv);
 241             } else {
 242                 try {
 243                     result_uri = getContentProviderClient().insert(
 244                             ProviderTableMeta.CONTENT_URI_FILE, cv);
 245                 } catch (RemoteException e) {
 246                     Log_OC.e(TAG,
 247                             "Fail to insert insert file to database "
 248                                     + e.getMessage());
 249                 }
 250             }
 251             if (result_uri != null) {
 252                 long new_id = Long.parseLong(result_uri.getPathSegments()
 253                         .get(1));
 254                 file.setFileId(new_id);
 255             }
 256         }
 257
 258 //        if (file.isFolder()) {
 259 //            updateFolderSize(file.getFileId());
 260 //        } else {
 261 //            updateFolderSize(file.getParentId());
 262 //        }
 263
 264         return overriden;
 265     }
 266
 267
 268     /**
 269      * Inserts or updates the list of files contained in a given folder.
 270      * <p/>
 271      * CALLER IS THE RESPONSIBLE FOR GRANTING RIGHT UPDATE OF INFORMATION, NOT THIS METHOD.
 272      * HERE ONLY DATA CONSISTENCY SHOULD BE GRANTED
 273      *
 274      * @param folder
 275      * @param updatedFiles
 276      * @param filesToRemove
 277      */
 278     public void saveFolder(
 279             OCFile folder, Collection<OCFile> updatedFiles, Collection<OCFile> filesToRemove
 280         ) {
 281
 282         Log_OC.d(TAG,  "Saving folder " + folder.getRemotePath() + " with " + updatedFiles.size()
 283                 + " children and " + filesToRemove.size() + " files to remove");
 284
 285         ArrayList<ContentProviderOperation> operations =
 286                 new ArrayList<ContentProviderOperation>(updatedFiles.size());
 287
 288         // prepare operations to insert or update files to save in the given folder
 289         for (OCFile file : updatedFiles) {
 290             ContentValues cv = new ContentValues();
 291             cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 292             cv.put(
 293                 ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 294                 file.getModificationTimestampAtLastSyncForData()
 295             );
 296             cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 297             cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 298             cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 299             cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 300             //cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 301             cv.put(ProviderTableMeta.FILE_PARENT, folder.getFileId());
 302             cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 303             if (!file.isFolder()) {
 304                 cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 305             }
 306             cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 307             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 308             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 309             cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.isFavorite() ? 1 : 0);
 310             cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 311             cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
 312             cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 313             cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 314             cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 315             cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
 316             cv.put(ProviderTableMeta.FILE_IS_DOWNLOADING, file.isDownloading());
 317             cv.put(ProviderTableMeta.FILE_IN_CONFLICT, file.isInConflict());
 318
 319             boolean existsByPath = fileExists(file.getRemotePath());
 320             if (existsByPath || fileExists(file.getFileId())) {
 321                 // updating an existing file
 322                 operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 323                         withValues(cv).
 324                         withSelection(ProviderTableMeta._ID + "=?",
 325                                 new String[]{String.valueOf(file.getFileId())})
 326                         .build());
 327
 328             } else {
 329                 // adding a new file
 330                 operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
 331                         withValues(cv).build());
 332             }
 333         }
 334
 335         // prepare operations to remove files in the given folder
 336         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 337                 ProviderTableMeta.FILE_PATH + "=?";
 338         String [] whereArgs = null;
 339         for (OCFile file : filesToRemove) {
 340             if (file.getParentId() == folder.getFileId()) {
 341                 whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 342                 //Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE, "" + file.getFileId());
 343                 if (file.isFolder()) {
 344                     operations.add(ContentProviderOperation.newDelete(
 345                             ContentUris.withAppendedId(
 346                                     ProviderTableMeta.CONTENT_URI_DIR, file.getFileId()
 347                             )
 348                     ).withSelection(where, whereArgs).build());
 349
 350                     File localFolder =
 351                             new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 352                     if (localFolder.exists()) {
 353                         removeLocalFolder(localFolder);
 354                     }
 355                 } else {
 356                     operations.add(ContentProviderOperation.newDelete(
 357                             ContentUris.withAppendedId(
 358                                     ProviderTableMeta.CONTENT_URI_FILE, file.getFileId()
 359                             )
 360                     ).withSelection(where, whereArgs).build());
 361
 362                     if (file.isDown()) {
 363                         String path = file.getStoragePath();
 364                         new File(path).delete();
 365                         triggerMediaScan(path); // notify MediaScanner about removed file
 366                     }
 367                 }
 368             }
 369         }
 370
 371         // update metadata of folder
 372         ContentValues cv = new ContentValues();
 373         cv.put(ProviderTableMeta.FILE_MODIFIED, folder.getModificationTimestamp());
 374         cv.put(
 375             ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 376             folder.getModificationTimestampAtLastSyncForData()
 377         );
 378         cv.put(ProviderTableMeta.FILE_CREATION, folder.getCreationTimestamp());
 379         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, 0);
 380         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, folder.getMimetype());
 381         cv.put(ProviderTableMeta.FILE_NAME, folder.getFileName());
 382         cv.put(ProviderTableMeta.FILE_PARENT, folder.getParentId());
 383         cv.put(ProviderTableMeta.FILE_PATH, folder.getRemotePath());
 384         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 385         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, folder.getLastSyncDateForProperties());
 386         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, folder.getLastSyncDateForData());
 387         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, folder.isFavorite() ? 1 : 0);
 388         cv.put(ProviderTableMeta.FILE_ETAG, folder.getEtag());
 389         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, folder.isShareByLink() ? 1 : 0);
 390         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, folder.getPublicLink());
 391         cv.put(ProviderTableMeta.FILE_PERMISSIONS, folder.getPermissions());
 392         cv.put(ProviderTableMeta.FILE_REMOTE_ID, folder.getRemoteId());
 393
 394         operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 395                 withValues(cv).
 396                 withSelection(ProviderTableMeta._ID + "=?",
 397                         new String[]{String.valueOf(folder.getFileId())})
 398                 .build());
 399
 400         // apply operations in batch
 401         ContentProviderResult[] results = null;
 402         Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
 403         try {
 404             if (getContentResolver() != null) {
 405                 results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 406
 407             } else {
 408                 results = getContentProviderClient().applyBatch(operations);
 409             }
 410
 411         } catch (OperationApplicationException e) {
 412             Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
 413
 414         } catch (RemoteException e) {
 415             Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
 416         }
 417
 418         // update new id in file objects for insertions
 419         if (results != null) {
 420             long newId;
 421             Iterator<OCFile> filesIt = updatedFiles.iterator();
 422             OCFile file = null;
 423             for (int i = 0; i < results.length; i++) {
 424                 if (filesIt.hasNext()) {
 425                     file = filesIt.next();
 426                 } else {
 427                     file = null;
 428                 }
 429                 if (results[i].uri != null) {
 430                     newId = Long.parseLong(results[i].uri.getPathSegments().get(1));
 431                     //updatedFiles.get(i).setFileId(newId);
 432                     if (file != null) {
 433                         file.setFileId(newId);
 434                     }
 435                 }
 436             }
 437         }
 438
 439         //updateFolderSize(folder.getFileId());
 440
 441     }
 442
 443
 444 //    /**
 445 //     *
 446 //     * @param id
 447 //     */
 448 //    private void updateFolderSize(long id) {
 449 //        if (id > FileDataStorageManager.ROOT_PARENT_ID) {
 450 //            Log_OC.d(TAG, "Updating size of " + id);
 451 //            if (getContentResolver() != null) {
 452 //                getContentResolver().update(ProviderTableMeta.CONTENT_URI_DIR,
 453 //                        new ContentValues(),
 454                             // won't be used, but cannot be null; crashes in KLP
 455 //                        ProviderTableMeta._ID + "=?",
 456 //                        new String[] { String.valueOf(id) });
 457 //            } else {
 458 //                try {
 459 //                    getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_DIR,
 460 //                            new ContentValues(),
 461                                 // won't be used, but cannot be null; crashes in KLP
 462 //                            ProviderTableMeta._ID + "=?",
 463 //                            new String[] { String.valueOf(id) });
 464 //
 465 //                } catch (RemoteException e) {
 466 //                    Log_OC.e(
 467 //    TAG, "Exception in update of folder size through compatibility patch " + e.getMessage());
 468 //                }
 469 //            }
 470 //        } else {
 471 //            Log_OC.e(TAG,  "not updating size for folder " + id);
 472 //        }
 473 //    }
 474
 475
 476     public boolean removeFile(OCFile file, boolean removeDBData, boolean removeLocalCopy) {
 477         boolean success = true;
 478         if (file != null) {
 479             if (file.isFolder()) {
 480                 success = removeFolder(file, removeDBData, removeLocalCopy);
 481
 482             } else {
 483                 if (removeDBData) {
 484                     //Uri file_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE, ""+file.getFileId());
 485                     Uri file_uri = ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_FILE, file.getFileId());
 486                     String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " + ProviderTableMeta.FILE_PATH + "=?";
 487                     String[] whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 488                     int deleted = 0;
 489                     if (getContentProviderClient() != null) {
 490                         try {
 491                             deleted = getContentProviderClient().delete(file_uri, where, whereArgs);
 492                         } catch (RemoteException e) {
 493                             e.printStackTrace();
 494                         }
 495                     } else {
 496                         deleted = getContentResolver().delete(file_uri, where, whereArgs);
 497                     }
 498                     success &= (deleted > 0);
 499                 }
 500                 String localPath = file.getStoragePath();
 501                 if (removeLocalCopy && file.isDown() && localPath != null && success) {
 502                     success = new File(localPath).delete();
 503                     if (success) {
 504                         deleteFileInMediaScan(localPath);
 505                     }
 506                     if (!removeDBData && success) {
 507                         // maybe unnecessary, but should be checked TODO remove if unnecessary
 508                         file.setStoragePath(null);
 509                         saveFile(file);
 510                     }
 511                 }
 512             }
 513         }
 514         return success;
 515     }
 516
 517
 518     public boolean removeFolder(OCFile folder, boolean removeDBData, boolean removeLocalContent) {
 519         boolean success = true;
 520         if (folder != null && folder.isFolder()) {
 521             if (removeDBData && folder.getFileId() != -1) {
 522                 success = removeFolderInDb(folder);
 523             }
 524             if (removeLocalContent && success) {
 525                 success = removeLocalFolder(folder);
 526             }
 527         }
 528         return success;
 529     }
 530
 531     private boolean removeFolderInDb(OCFile folder) {
 532         Uri folder_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, "" +
 533                 folder.getFileId());   // URI for recursive deletion
 534         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 535                 ProviderTableMeta.FILE_PATH + "=?";
 536         String [] whereArgs = new String[]{mAccount.name, folder.getRemotePath()};
 537         int deleted = 0;
 538         if (getContentProviderClient() != null) {
 539             try {
 540                 deleted = getContentProviderClient().delete(folder_uri, where, whereArgs);
 541             } catch (RemoteException e) {
 542                 e.printStackTrace();
 543             }
 544         } else {
 545             deleted = getContentResolver().delete(folder_uri, where, whereArgs);
 546         }
 547         return deleted > 0;
 548     }
 549
 550     private boolean removeLocalFolder(OCFile folder) {
 551         boolean success = true;
 552         String localFolderPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, folder);
 553         File localFolder = new File(localFolderPath);
 554         if (localFolder.exists()) {
 555             // stage 1: remove the local files already registered in the files database
 556             // TODO Enable when "On Device" is recovered ?
 557             Vector<OCFile> files = getFolderContent(folder.getFileId()/*, false*/);
 558             if (files != null) {
 559                 for (OCFile file : files) {
 560                     if (file.isFolder()) {
 561                         success &= removeLocalFolder(file);
 562                     } else {
 563                         if (file.isDown()) {
 564                             File localFile = new File(file.getStoragePath());
 565                             success &= localFile.delete();
 566                             if (success) {
 567                                 // notify MediaScanner about removed file
 568                                 deleteFileInMediaScan(file.getStoragePath());
 569                                 file.setStoragePath(null);
 570                                 saveFile(file);
 571                             }
 572                         }
 573                     }
 574                 }
 575             }
 576
 577             // stage 2: remove the folder itself and any local file inside out of sync;
 578             //          for instance, after clearing the app cache or reinstalling
 579             success &= removeLocalFolder(localFolder);
 580         }
 581         return success;
 582     }
 583
 584     private boolean removeLocalFolder(File localFolder) {
 585         boolean success = true;
 586         File[] localFiles = localFolder.listFiles();
 587         if (localFiles != null) {
 588             for (File localFile : localFiles) {
 589                 if (localFile.isDirectory()) {
 590                     success &= removeLocalFolder(localFile);
 591                 } else {
 592                     String path = localFile.getAbsolutePath();
 593                     success &= localFile.delete();
 594                 }
 595             }
 596         }
 597         success &= localFolder.delete();
 598         return success;
 599     }
 600
 601
 602     /**
 603      * Updates database and file system for a file or folder that was moved to a different location.
 604      *
 605      * TODO explore better (faster) implementations
 606      * TODO throw exceptions up !
 607      */
 608     public void moveLocalFile(OCFile file, String targetPath, String targetParentPath) {
 609
 610         if (file != null && file.fileExists() && !OCFile.ROOT_PATH.equals(file.getFileName())) {
 611
 612             OCFile targetParent = getFileByPath(targetParentPath);
 613             if (targetParent == null) {
 614                 throw new IllegalStateException("Parent folder of the target path does not exist!!");
 615             }
 616
 617             /// 1. get all the descendants of the moved element in a single QUERY
 618             Cursor c = null;
 619             if (getContentProviderClient() != null) {
 620                 try {
 621                     c = getContentProviderClient().query(
 622                             ProviderTableMeta.CONTENT_URI,
 623                             null,
 624                             ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 625                                     ProviderTableMeta.FILE_PATH + " LIKE ? ",
 626                             new String[]{
 627                                     mAccount.name,
 628                                     file.getRemotePath() + "%"
 629                             },
 630                             ProviderTableMeta.FILE_PATH + " ASC "
 631                     );
 632                 } catch (RemoteException e) {
 633                     Log_OC.e(TAG, e.getMessage());
 634                 }
 635
 636             } else {
 637                 c = getContentResolver().query(
 638                         ProviderTableMeta.CONTENT_URI,
 639                         null,
 640                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 641                                 ProviderTableMeta.FILE_PATH + " LIKE ? ",
 642                         new String[]{
 643                                 mAccount.name,
 644                                 file.getRemotePath() + "%"
 645                         },
 646                         ProviderTableMeta.FILE_PATH + " ASC "
 647                 );
 648             }
 649
 650             /// 2. prepare a batch of update operations to change all the descendants
 651             ArrayList<ContentProviderOperation> operations =
 652                     new ArrayList<ContentProviderOperation>(c.getCount());
 653             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 654             List<String> originalPathsToTriggerMediaScan = new ArrayList<String>();
 655             List<String> newPathsToTriggerMediaScan = new ArrayList<String>();
 656             if (c.moveToFirst()) {
 657                 int lengthOfOldPath = file.getRemotePath().length();
 658                 int lengthOfOldStoragePath = defaultSavePath.length() + lengthOfOldPath;
 659                 do {
 660                     ContentValues cv = new ContentValues(); // keep construction in the loop
 661                     OCFile child = createFileInstance(c);
 662                     cv.put(
 663                             ProviderTableMeta.FILE_PATH,
 664                             targetPath + child.getRemotePath().substring(lengthOfOldPath)
 665                     );
 666                     if (child.getStoragePath() != null &&
 667                             child.getStoragePath().startsWith(defaultSavePath)) {
 668                         // update link to downloaded content - but local move is not done here!
 669                         String targetLocalPath = defaultSavePath + targetPath +
 670                                 child.getStoragePath().substring(lengthOfOldStoragePath);
 671
 672                         cv.put(ProviderTableMeta.FILE_STORAGE_PATH, targetLocalPath);
 673
 674                         originalPathsToTriggerMediaScan.add(child.getStoragePath());
 675                         newPathsToTriggerMediaScan.add(targetLocalPath);
 676
 677                     }
 678                     if (child.getRemotePath().equals(file.getRemotePath())) {
 679                         cv.put(
 680                                 ProviderTableMeta.FILE_PARENT,
 681                                 targetParent.getFileId()
 682                         );
 683                     }
 684                     operations.add(
 685                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 686                                     withValues(cv).
 687                                     withSelection(
 688                                             ProviderTableMeta._ID + "=?",
 689                                             new String[]{String.valueOf(child.getFileId())}
 690                                     )
 691                                     .build());
 692
 693                 } while (c.moveToNext());
 694             }
 695             c.close();
 696
 697             /// 3. apply updates in batch
 698             try {
 699                 if (getContentResolver() != null) {
 700                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 701
 702                 } else {
 703                     getContentProviderClient().applyBatch(operations);
 704                 }
 705
 706             } catch (Exception e) {
 707                 Log_OC.e(TAG, "Fail to update " + file.getFileId() + " and descendants in database", e);
 708             }
 709
 710             /// 4. move in local file system
 711             String originalLocalPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, file);
 712             String targetLocalPath = defaultSavePath + targetPath;
 713             File localFile = new File(originalLocalPath);
 714             boolean renamed = false;
 715             if (localFile.exists()) {
 716                 File targetFile = new File(targetLocalPath);
 717                 File targetFolder = targetFile.getParentFile();
 718                 if (!targetFolder.exists()) {
 719                     targetFolder.mkdirs();
 720                 }
 721                 renamed = localFile.renameTo(targetFile);
 722             }
 723
 724             if (renamed) {
 725                 Iterator<String> it = originalPathsToTriggerMediaScan.iterator();
 726                 while (it.hasNext()) {
 727                     // Notify MediaScanner about removed file
 728                     deleteFileInMediaScan(it.next());
 729                 }
 730                 it = newPathsToTriggerMediaScan.iterator();
 731                 while (it.hasNext()) {
 732                     // Notify MediaScanner about new file/folder
 733                     triggerMediaScan(it.next());
 734                 }
 735             }
 736         }
 737
 738     }
 739
 740     public void copyLocalFile(OCFile file, String targetPath) {
 741
 742         if (file != null && file.fileExists() && !OCFile.ROOT_PATH.equals(file.getFileName())) {
 743             String localPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, file);
 744             File localFile = new File(localPath);
 745             boolean copied = false;
 746             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 747             if (localFile.exists()) {
 748                 File targetFile = new File(defaultSavePath + targetPath);
 749                 File targetFolder = targetFile.getParentFile();
 750                 if (!targetFolder.exists()) {
 751                     targetFolder.mkdirs();
 752                 }
 753                 copied = copyFile(localFile, targetFile);
 754             }
 755             Log_OC.d(TAG, "Local file COPIED : " + copied);
 756         }
 757     }
 758
 759     private boolean copyFile(File src, File target) {
 760         boolean ret = true;
 761
 762         InputStream in = null;
 763         OutputStream out = null;
 764
 765         try {
 766             in = new FileInputStream(src);
 767             out = new FileOutputStream(target);
 768             byte[] buf = new byte[1024];
 769             int len;
 770             while ((len = in.read(buf)) > 0) {
 771                 out.write(buf, 0, len);
 772             }
 773         } catch (IOException ex) {
 774             ret = false;
 775         } finally {
 776             if (in != null) try {
 777                 in.close();
 778             } catch (IOException e) {
 779                 e.printStackTrace(System.err);
 780             }
 781             if (out != null) try {
 782                 out.close();
 783             } catch (IOException e) {
 784                 e.printStackTrace(System.err);
 785             }
 786         }
 787
 788         return ret;
 789     }
 790
 791
 792     private Vector<OCFile> getFolderContent(long parentId/*, boolean onlyOnDevice*/) {
 793
 794         Vector<OCFile> ret = new Vector<OCFile>();
 795
 796         Uri req_uri = Uri.withAppendedPath(
 797                 ProviderTableMeta.CONTENT_URI_DIR,
 798                 String.valueOf(parentId));
 799         Cursor c = null;
 800
 801         if (getContentProviderClient() != null) {
 802             try {
 803                 c = getContentProviderClient().query(req_uri, null,
 804                         ProviderTableMeta.FILE_PARENT + "=?",
 805                         new String[]{String.valueOf(parentId)}, null);
 806             } catch (RemoteException e) {
 807                 Log_OC.e(TAG, e.getMessage());
 808                 return ret;
 809             }
 810         } else {
 811             c = getContentResolver().query(req_uri, null,
 812                     ProviderTableMeta.FILE_PARENT + "=?",
 813                     new String[]{String.valueOf(parentId)}, null);
 814         }
 815
 816         if (c.moveToFirst()) {
 817             do {
 818                 OCFile child = createFileInstance(c);
 819                 // TODO Enable when "On Device" is recovered ?
 820                 // if (child.isFolder() || !onlyOnDevice || onlyOnDevice && child.isDown()){
 821                     ret.add(child);
 822                 // }
 823             } while (c.moveToNext());
 824         }
 825
 826         c.close();
 827
 828         Collections.sort(ret);
 829
 830         return ret;
 831     }
 832
 833
 834     private OCFile createRootDir() {
 835         OCFile file = new OCFile(OCFile.ROOT_PATH);
 836         file.setMimetype("DIR");
 837         file.setParentId(FileDataStorageManager.ROOT_PARENT_ID);
 838         saveFile(file);
 839         return file;
 840     }
 841
 842     private boolean fileExists(String cmp_key, String value) {
 843         Cursor c;
 844         if (getContentResolver() != null) {
 845             c = getContentResolver()
 846                     .query(ProviderTableMeta.CONTENT_URI,
 847                             null,
 848                             cmp_key + "=? AND "
 849                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 850                                     + "=?",
 851                             new String[]{value, mAccount.name}, null);
 852         } else {
 853             try {
 854                 c = getContentProviderClient().query(
 855                         ProviderTableMeta.CONTENT_URI,
 856                         null,
 857                         cmp_key + "=? AND "
 858                                 + ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
 859                         new String[]{value, mAccount.name}, null);
 860             } catch (RemoteException e) {
 861                 Log_OC.e(TAG,
 862                         "Couldn't determine file existance, assuming non existance: "
 863                                 + e.getMessage());
 864                 return false;
 865             }
 866         }
 867         boolean retval = c.moveToFirst();
 868         c.close();
 869         return retval;
 870     }
 871
 872     private Cursor getCursorForValue(String key, String value) {
 873         Cursor c = null;
 874         if (getContentResolver() != null) {
 875             c = getContentResolver()
 876                     .query(ProviderTableMeta.CONTENT_URI,
 877                             null,
 878                             key + "=? AND "
 879                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 880                                     + "=?",
 881                             new String[]{value, mAccount.name}, null);
 882         } else {
 883             try {
 884                 c = getContentProviderClient().query(
 885                         ProviderTableMeta.CONTENT_URI,
 886                         null,
 887                         key + "=? AND " + ProviderTableMeta.FILE_ACCOUNT_OWNER
 888                                 + "=?", new String[]{value, mAccount.name},
 889                         null);
 890             } catch (RemoteException e) {
 891                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 892                 c = null;
 893             }
 894         }
 895         return c;
 896     }
 897
 898
 899     private OCFile createFileInstance(Cursor c) {
 900         OCFile file = null;
 901         if (c != null) {
 902             file = new OCFile(c.getString(c
 903                     .getColumnIndex(ProviderTableMeta.FILE_PATH)));
 904             file.setFileId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
 905             file.setParentId(c.getLong(c
 906                     .getColumnIndex(ProviderTableMeta.FILE_PARENT)));
 907             file.setMimetype(c.getString(c
 908                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE)));
 909             if (!file.isFolder()) {
 910                 file.setStoragePath(c.getString(c
 911                         .getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH)));
 912                 if (file.getStoragePath() == null) {
 913                     // try to find existing file and bind it with current account;
 914                     // with the current update of SynchronizeFolderOperation, this won't be
 915                     // necessary anymore after a full synchronization of the account
 916                     File f = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 917                     if (f.exists()) {
 918                         file.setStoragePath(f.getAbsolutePath());
 919                         file.setLastSyncDateForData(f.lastModified());
 920                     }
 921                 }
 922             }
 923             file.setFileLength(c.getLong(c
 924                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH)));
 925             file.setCreationTimestamp(c.getLong(c
 926                     .getColumnIndex(ProviderTableMeta.FILE_CREATION)));
 927             file.setModificationTimestamp(c.getLong(c
 928                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED)));
 929             file.setModificationTimestampAtLastSyncForData(c.getLong(c
 930                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA)));
 931             file.setLastSyncDateForProperties(c.getLong(c
 932                     .getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE)));
 933             file.setLastSyncDateForData(c.getLong(c.
 934                     getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA)));
 935             file.setFavorite(c.getInt(
 936                     c.getColumnIndex(ProviderTableMeta.FILE_KEEP_IN_SYNC)) == 1 ? true : false);
 937             file.setEtag(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG)));
 938             file.setShareByLink(c.getInt(
 939                     c.getColumnIndex(ProviderTableMeta.FILE_SHARE_BY_LINK)) == 1 ? true : false);
 940             file.setPublicLink(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PUBLIC_LINK)));
 941             file.setPermissions(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PERMISSIONS)));
 942             file.setRemoteId(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_REMOTE_ID)));
 943             file.setNeedsUpdateThumbnail(c.getInt(
 944                     c.getColumnIndex(ProviderTableMeta.FILE_UPDATE_THUMBNAIL)) == 1 ? true : false);
 945             file.setDownloading(c.getInt(
 946                     c.getColumnIndex(ProviderTableMeta.FILE_IS_DOWNLOADING)) == 1 ? true : false);
 947             file.setInConflict(c.getInt(
 948                     c.getColumnIndex(ProviderTableMeta.FILE_IN_CONFLICT)) == 1 ? true : false);
 949
 950         }
 951         return file;
 952     }
 953
 954     /**
 955      * Returns if the file/folder is shared by link or not
 956      *
 957      * @param path Path of the file/folder
 958      * @return
 959      */
 960     public boolean isShareByLink(String path) {
 961         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 962         OCFile file = null;
 963         if (c.moveToFirst()) {
 964             file = createFileInstance(c);
 965         }
 966         c.close();
 967         return file.isShareByLink();
 968     }
 969
 970     /**
 971      * Returns the public link of the file/folder
 972      *
 973      * @param path Path of the file/folder
 974      * @return
 975      */
 976     public String getPublicLink(String path) {
 977         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 978         OCFile file = null;
 979         if (c.moveToFirst()) {
 980             file = createFileInstance(c);
 981         }
 982         c.close();
 983         return file.getPublicLink();
 984     }
 985
 986
 987     // Methods for Shares
 988     public boolean saveShare(OCShare share) {
 989         boolean overriden = false;
 990         ContentValues cv = new ContentValues();
 991         cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
 992         cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
 993         cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
 994         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
 995         cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
 996         cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
 997         cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
 998         cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
 999         cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1000         cv.put(
1001             ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1002             share.getSharedWithDisplayName()
1003         );
1004         cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1005         cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1006         cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1007         cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1008
1009         if (shareExists(share.getIdRemoteShared())) {           // for renamed files; no more delete and create
1010             overriden = true;
1011             if (getContentResolver() != null) {
1012                 getContentResolver().update(ProviderTableMeta.CONTENT_URI_SHARE, cv,
1013                         ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1014                         new String[]{String.valueOf(share.getIdRemoteShared())});
1015             } else {
1016                 try {
1017                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_SHARE,
1018                             cv, ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1019                             new String[]{String.valueOf(share.getIdRemoteShared())});
1020                 } catch (RemoteException e) {
1021                     Log_OC.e(TAG,
1022                             "Fail to insert insert file to database "
1023                                     + e.getMessage());
1024                 }
1025             }
1026         } else {
1027             Uri result_uri = null;
1028             if (getContentResolver() != null) {
1029                 result_uri = getContentResolver().insert(
1030                         ProviderTableMeta.CONTENT_URI_SHARE, cv);
1031             } else {
1032                 try {
1033                     result_uri = getContentProviderClient().insert(
1034                             ProviderTableMeta.CONTENT_URI_SHARE, cv);
1035                 } catch (RemoteException e) {
1036                     Log_OC.e(TAG,
1037                             "Fail to insert insert file to database "
1038                                     + e.getMessage());
1039                 }
1040             }
1041             if (result_uri != null) {
1042                 long new_id = Long.parseLong(result_uri.getPathSegments()
1043                         .get(1));
1044                 share.setId(new_id);
1045             }
1046         }
1047
1048         return overriden;
1049     }
1050
1051
1052     public OCShare getFirstShareByPathAndType(String path, ShareType type) {
1053         Cursor c = null;
1054         if (getContentResolver() != null) {
1055             c = getContentResolver().query(
1056                     ProviderTableMeta.CONTENT_URI_SHARE,
1057                     null,
1058                     ProviderTableMeta.OCSHARES_PATH + "=? AND "
1059                             + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
1060                             + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1061                     new String[]{path, Integer.toString(type.getValue()), mAccount.name},
1062                     null);
1063         } else {
1064             try {
1065                 c = getContentProviderClient().query(
1066                         ProviderTableMeta.CONTENT_URI_SHARE,
1067                         null,
1068                         ProviderTableMeta.OCSHARES_PATH + "=? AND "
1069                                 + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
1070                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1071                         new String[]{path, Integer.toString(type.getValue()), mAccount.name},
1072                         null);
1073
1074             } catch (RemoteException e) {
1075                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
1076                 c = null;
1077             }
1078         }
1079         OCShare share = null;
1080         if (c.moveToFirst()) {
1081             share = createShareInstance(c);
1082         }
1083         c.close();
1084         return share;
1085     }
1086
1087     private OCShare createShareInstance(Cursor c) {
1088         OCShare share = null;
1089         if (c != null) {
1090             share = new OCShare(c.getString(c
1091                     .getColumnIndex(ProviderTableMeta.OCSHARES_PATH)));
1092             share.setId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
1093             share.setFileSource(c.getLong(c
1094                     .getColumnIndex(ProviderTableMeta.OCSHARES_ITEM_SOURCE)));
1095             share.setShareType(ShareType.fromValue(c.getInt(c
1096                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_TYPE))));
1097             share.setPermissions(c.getInt(c
1098                     .getColumnIndex(ProviderTableMeta.OCSHARES_PERMISSIONS)));
1099             share.setSharedDate(c.getLong(c
1100                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARED_DATE)));
1101             share.setExpirationDate(c.getLong(c
1102                     .getColumnIndex(ProviderTableMeta.OCSHARES_EXPIRATION_DATE)));
1103             share.setToken(c.getString(c
1104                     .getColumnIndex(ProviderTableMeta.OCSHARES_TOKEN)));
1105             share.setSharedWithDisplayName(c.getString(c
1106                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME)));
1107             share.setIsFolder(c.getInt(
1108                     c.getColumnIndex(ProviderTableMeta.OCSHARES_IS_DIRECTORY)) == 1);
1109             share.setUserId(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_USER_ID)));
1110             share.setIdRemoteShared(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED)));
1111         }
1112         return share;
1113     }
1114
1115     private boolean shareExists(String cmp_key, String value) {
1116         Cursor c;
1117         if (getContentResolver() != null) {
1118             c = getContentResolver()
1119                     .query(ProviderTableMeta.CONTENT_URI_SHARE,
1120                             null,
1121                             cmp_key + "=? AND "
1122                                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
1123                                     + "=?",
1124                             new String[]{value, mAccount.name}, null);
1125         } else {
1126             try {
1127                 c = getContentProviderClient().query(
1128                         ProviderTableMeta.CONTENT_URI_SHARE,
1129                         null,
1130                         cmp_key + "=? AND "
1131                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1132                         new String[]{value, mAccount.name}, null);
1133             } catch (RemoteException e) {
1134                 Log_OC.e(TAG,
1135                         "Couldn't determine file existance, assuming non existance: "
1136                                 + e.getMessage());
1137                 return false;
1138             }
1139         }
1140         boolean retval = c.moveToFirst();
1141         c.close();
1142         return retval;
1143     }
1144
1145     private boolean shareExists(long remoteId) {
1146         return shareExists(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, String.valueOf(remoteId));
1147     }
1148
1149     private void cleanSharedFiles() {
1150         ContentValues cv = new ContentValues();
1151         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
1152         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1153         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?";
1154         String[] whereArgs = new String[]{mAccount.name};
1155
1156         if (getContentResolver() != null) {
1157             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1158
1159         } else {
1160             try {
1161                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1162             } catch (RemoteException e) {
1163                 Log_OC.e(TAG, "Exception in cleanSharedFiles" + e.getMessage());
1164             }
1165         }
1166     }
1167
1168     private void cleanSharedFilesInFolder(OCFile folder) {
1169         ContentValues cv = new ContentValues();
1170         cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, false);
1171         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1172         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1173                 ProviderTableMeta.FILE_PARENT + "=?";
1174         String [] whereArgs = new String[] { mAccount.name , String.valueOf(folder.getFileId()) };
1175
1176         if (getContentResolver() != null) {
1177             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1178
1179         } else {
1180             try {
1181                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1182             } catch (RemoteException e) {
1183                 Log_OC.e(TAG, "Exception in cleanSharedFilesInFolder " + e.getMessage());
1184             }
1185         }
1186     }
1187
1188     private void cleanShares() {
1189         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1190         String[] whereArgs = new String[]{mAccount.name};
1191
1192         if (getContentResolver() != null) {
1193             getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1194
1195         } else {
1196             try {
1197                 getContentProviderClient().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1198             } catch (RemoteException e) {
1199                 Log_OC.e(TAG, "Exception in cleanShares" + e.getMessage());
1200             }
1201         }
1202     }
1203
1204     public void saveShares(Collection<OCShare> shares) {
1205         cleanShares();
1206         if (shares != null) {
1207             ArrayList<ContentProviderOperation> operations =
1208                     new ArrayList<ContentProviderOperation>(shares.size());
1209
1210             // prepare operations to insert or update files to save in the given folder
1211             for (OCShare share : shares) {
1212                 ContentValues cv = new ContentValues();
1213                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1214                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1215                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1216                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1217                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1218                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1219                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1220                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1221                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1222                 cv.put(
1223                     ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1224                     share.getSharedWithDisplayName()
1225                 );
1226                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1227                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1228                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1229                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1230
1231                 if (shareExists(share.getIdRemoteShared())) {
1232                     // updating an existing file
1233                     operations.add(
1234                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1235                             withValues(cv).
1236                             withSelection(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1237                                     new String[]{String.valueOf(share.getIdRemoteShared())})
1238                             .build());
1239                 } else {
1240                     // adding a new file
1241                     operations.add(
1242                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1243                             withValues(cv).
1244                             build()
1245                     );
1246                 }
1247             }
1248
1249             // apply operations in batch
1250             if (operations.size() > 0) {
1251                 @SuppressWarnings("unused")
1252                 ContentProviderResult[] results = null;
1253                 Log_OC.d(TAG, "Sending " + operations.size() +
1254                         " operations to FileContentProvider");
1255                 try {
1256                     if (getContentResolver() != null) {
1257                         results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1258                     } else {
1259                         results = getContentProviderClient().applyBatch(operations);
1260                     }
1261
1262                 } catch (OperationApplicationException e) {
1263                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1264
1265                 } catch (RemoteException e) {
1266                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1267                 }
1268             }
1269         }
1270
1271     }
1272
1273     public void updateSharedFiles(Collection<OCFile> sharedFiles) {
1274         cleanSharedFiles();
1275
1276         if (sharedFiles != null) {
1277             ArrayList<ContentProviderOperation> operations =
1278                     new ArrayList<ContentProviderOperation>(sharedFiles.size());
1279
1280             // prepare operations to insert or update files to save in the given folder
1281             for (OCFile file : sharedFiles) {
1282                 ContentValues cv = new ContentValues();
1283                 cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
1284                 cv.put(
1285                     ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
1286                     file.getModificationTimestampAtLastSyncForData()
1287                 );
1288                 cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
1289                 cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
1290                 cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
1291                 cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
1292                 cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
1293                 cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
1294                 if (!file.isFolder()) {
1295                     cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
1296                 }
1297                 cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
1298                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
1299                 cv.put(
1300                     ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA,
1301                     file.getLastSyncDateForData()
1302                 );
1303                 cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.isFavorite() ? 1 : 0);
1304                 cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
1305                 cv.put(ProviderTableMeta.FILE_SHARE_BY_LINK, file.isShareByLink() ? 1 : 0);
1306                 cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
1307                 cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
1308                 cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
1309                 cv.put(
1310                     ProviderTableMeta.FILE_UPDATE_THUMBNAIL,
1311                     file.needsUpdateThumbnail() ? 1 : 0
1312                 );
1313                 cv.put(
1314                         ProviderTableMeta.FILE_IS_DOWNLOADING,
1315                         file.isDownloading() ? 1 : 0
1316                 );
1317                 cv.put(
1318                         ProviderTableMeta.FILE_IN_CONFLICT,
1319                         file.isInConflict() ? 1 : 0
1320                 );
1321
1322                 boolean existsByPath = fileExists(file.getRemotePath());
1323                 if (existsByPath || fileExists(file.getFileId())) {
1324                     // updating an existing file
1325                     operations.add(
1326                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
1327                             withValues(cv).
1328                             withSelection(ProviderTableMeta._ID + "=?",
1329                                     new String[]{String.valueOf(file.getFileId())})
1330                             .build());
1331
1332                 } else {
1333                     // adding a new file
1334                     operations.add(
1335                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
1336                             withValues(cv).
1337                             build()
1338                     );
1339                 }
1340             }
1341
1342             // apply operations in batch
1343             if (operations.size() > 0) {
1344                 @SuppressWarnings("unused")
1345                 ContentProviderResult[] results = null;
1346                 Log_OC.d(TAG, "Sending " + operations.size() +
1347                         " operations to FileContentProvider");
1348                 try {
1349                     if (getContentResolver() != null) {
1350                         results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1351                     } else {
1352                         results = getContentProviderClient().applyBatch(operations);
1353                     }
1354
1355                 } catch (OperationApplicationException e) {
1356                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1357
1358                 } catch (RemoteException e) {
1359                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1360                 }
1361             }
1362         }
1363
1364     }
1365
1366     public void removeShare(OCShare share) {
1367         Uri share_uri = ProviderTableMeta.CONTENT_URI_SHARE;
1368         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?" + " AND " +
1369                 ProviderTableMeta.FILE_PATH + "=?";
1370         String [] whereArgs = new String[]{mAccount.name, share.getPath()};
1371         if (getContentProviderClient() != null) {
1372             try {
1373                 getContentProviderClient().delete(share_uri, where, whereArgs);
1374             } catch (RemoteException e) {
1375                 e.printStackTrace();
1376             }
1377         } else {
1378             getContentResolver().delete(share_uri, where, whereArgs);
1379         }
1380     }
1381
1382     public void saveSharesDB(ArrayList<OCShare> shares) {
1383         saveShares(shares);
1384
1385         ArrayList<OCFile> sharedFiles = new ArrayList<OCFile>();
1386
1387         for (OCShare share : shares) {
1388             // Get the path
1389             String path = share.getPath();
1390             if (share.isFolder()) {
1391                 path = path + FileUtils.PATH_SEPARATOR;
1392             }
1393
1394             // Update OCFile with data from share: ShareByLink  and publicLink
1395             OCFile file = getFileByPath(path);
1396             if (file != null) {
1397                 if (share.getShareType().equals(ShareType.PUBLIC_LINK)) {
1398                     file.setShareByLink(true);
1399                     sharedFiles.add(file);
1400                 }
1401             }
1402         }
1403
1404         updateSharedFiles(sharedFiles);
1405     }
1406
1407
1408     public void saveSharesInFolder(ArrayList<OCShare> shares, OCFile folder) {
1409         cleanSharedFilesInFolder(folder);
1410         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1411         operations = prepareRemoveSharesInFolder(folder, operations);
1412
1413         if (shares != null) {
1414             // prepare operations to insert or update files to save in the given folder
1415             for (OCShare share : shares) {
1416                 ContentValues cv = new ContentValues();
1417                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1418                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1419                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1420                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1421                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1422                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1423                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1424                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1425                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1426                 cv.put(
1427                     ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1428                     share.getSharedWithDisplayName()
1429                 );
1430                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1431                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1432                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getIdRemoteShared());
1433                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1434
1435                 /*
1436                 if (shareExists(share.getIdRemoteShared())) {
1437                     // updating an existing share resource
1438                     operations.add(
1439                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1440                             withValues(cv).
1441                             withSelection(  ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1442                                     new String[] { String.valueOf(share.getIdRemoteShared()) })
1443                                     .build());
1444
1445                 } else {
1446                 */
1447                 // adding a new share resource
1448                 operations.add(
1449                         ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1450                         withValues(cv).
1451                         build()
1452                 );
1453                 //}
1454             }
1455         }
1456
1457         // apply operations in batch
1458         if (operations.size() > 0) {
1459             @SuppressWarnings("unused")
1460             ContentProviderResult[] results = null;
1461             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1462             try {
1463                 if (getContentResolver() != null) {
1464                     results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1465
1466                 } else {
1467                     results = getContentProviderClient().applyBatch(operations);
1468                 }
1469
1470             } catch (OperationApplicationException e) {
1471                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1472
1473             } catch (RemoteException e) {
1474                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1475             }
1476         }
1477         //}
1478
1479     }
1480
1481     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFolder(
1482             OCFile folder, ArrayList<ContentProviderOperation> preparedOperations) {
1483         if (folder != null) {
1484             String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND "
1485                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1486             String [] whereArgs = new String[]{ "", mAccount.name };
1487
1488             // TODO Enable when "On Device" is recovered ?
1489             Vector<OCFile> files = getFolderContent(folder /*, false*/);
1490
1491             for (OCFile file : files) {
1492                 whereArgs[0] = file.getRemotePath();
1493                 preparedOperations.add(
1494                         ContentProviderOperation.newDelete(ProviderTableMeta.CONTENT_URI_SHARE).
1495                         withSelection(where, whereArgs).
1496                         build()
1497                 );
1498             }
1499         }
1500         return preparedOperations;
1501
1502         /*
1503         if (operations.size() > 0) {
1504             try {
1505                 if (getContentResolver() != null) {
1506                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1507
1508                 } else {
1509                     getContentProviderClient().applyBatch(operations);
1510                 }
1511
1512             } catch (OperationApplicationException e) {
1513                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1514
1515             } catch (RemoteException e) {
1516                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1517             }
1518         }
1519         */
1520
1521             /*
1522             if (getContentResolver() != null) {
1523
1524                 getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE,
1525                                             where,
1526                                             whereArgs);
1527             } else {
1528                 try {
1529                     getContentProviderClient().delete(  ProviderTableMeta.CONTENT_URI_SHARE,
1530                                                         where,
1531                                                         whereArgs);
1532
1533                 } catch (RemoteException e) {
1534                     Log_OC.e(TAG, "Exception deleting shares in a folder " + e.getMessage());
1535                 }
1536             }
1537             */
1538         //}
1539     }
1540
1541     public void triggerMediaScan(String path) {
1542         Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
1543         intent.setData(Uri.fromFile(new File(path)));
1544         MainApp.getAppContext().sendBroadcast(intent);
1545     }
1546
1547     public void deleteFileInMediaScan(String path) {
1548
1549         String mimetypeString = FileStorageUtils.getMimeTypeFromName(path);
1550         ContentResolver contentResolver = getContentResolver();
1551
1552         if (contentResolver != null) {
1553             if (mimetypeString.startsWith("image/")) {
1554                 // Images
1555                 contentResolver.delete(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
1556                         MediaStore.Images.Media.DATA + "=?", new String[]{path});
1557             } else if (mimetypeString.startsWith("audio/")) {
1558                 // Audio
1559                 contentResolver.delete(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
1560                         MediaStore.Audio.Media.DATA + "=?", new String[]{path});
1561             } else if (mimetypeString.startsWith("video/")) {
1562                 // Video
1563                 contentResolver.delete(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
1564                         MediaStore.Video.Media.DATA + "=?", new String[]{path});
1565             }
1566         } else {
1567             ContentProviderClient contentProviderClient = getContentProviderClient();
1568             try {
1569                 if (mimetypeString.startsWith("image/")) {
1570                     // Images
1571                     contentProviderClient.delete(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
1572                             MediaStore.Images.Media.DATA + "=?", new String[]{path});
1573                 } else if (mimetypeString.startsWith("audio/")) {
1574                     // Audio
1575                     contentProviderClient.delete(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
1576                             MediaStore.Audio.Media.DATA + "=?", new String[]{path});
1577                 } else if (mimetypeString.startsWith("video/")) {
1578                     // Video
1579                     contentProviderClient.delete(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
1580                             MediaStore.Video.Media.DATA + "=?", new String[]{path});
1581                 }
1582             } catch (RemoteException e) {
1583                 Log_OC.e(TAG, "Exception deleting media file in MediaStore " + e.getMessage());
1584             }
1585         }
1586
1587     }
1588
1589     public void saveConflict(long fileId, boolean inConflict) {
1590         ContentValues cv = new ContentValues();
1591         cv.put(ProviderTableMeta.FILE_IN_CONFLICT, inConflict);
1592         if (getContentResolver() != null) {
1593             getContentResolver().update(
1594                     ProviderTableMeta.CONTENT_URI_FILE,
1595                     cv,
1596                     ProviderTableMeta._ID + "=?",
1597                     new String[] { String.valueOf(fileId)}
1598             );
1599         } else {
1600             try {
1601                 getContentProviderClient().update(
1602                         ProviderTableMeta.CONTENT_URI_FILE,
1603                         cv,
1604                         ProviderTableMeta._ID + "=?",
1605                         new String[]{String.valueOf(fileId)}
1606                 );
1607             } catch (RemoteException e) {
1608                 Log_OC.e(TAG, "Failed saving conflict in database " + e.getMessage());
1609             }
1610         }
1611     }
1612 }