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 android.accounts.Account;
  24 import android.content.ContentProviderClient;
  25 import android.content.ContentProviderOperation;
  26 import android.content.ContentProviderResult;
  27 import android.content.ContentResolver;
  28 import android.content.ContentUris;
  29 import android.content.ContentValues;
  30 import android.content.Intent;
  31 import android.content.OperationApplicationException;
  32 import android.database.Cursor;
  33 import android.net.Uri;
  34 import android.os.RemoteException;
  35 import android.provider.MediaStore;
  36
  37 import com.owncloud.android.MainApp;
  38 import com.owncloud.android.db.ProviderMeta.ProviderTableMeta;
  39 import com.owncloud.android.lib.common.utils.Log_OC;
  40 import com.owncloud.android.lib.resources.shares.OCShare;
  41 import com.owncloud.android.lib.resources.shares.ShareType;
  42 import com.owncloud.android.lib.resources.status.CapabilityBooleanType;
  43 import com.owncloud.android.lib.resources.status.OCCapability;
  44 import com.owncloud.android.utils.FileStorageUtils;
  45
  46 import java.io.File;
  47 import java.io.FileInputStream;
  48 import java.io.FileOutputStream;
  49 import java.io.IOException;
  50 import java.io.InputStream;
  51 import java.io.OutputStream;
  52 import java.util.ArrayList;
  53 import java.util.Collection;
  54 import java.util.Collections;
  55 import java.util.HashSet;
  56 import java.util.Iterator;
  57 import java.util.List;
  58 import java.util.Set;
  59 import java.util.Vector;
  60
  61 public class FileDataStorageManager {
  62
  63     public static final int ROOT_PARENT_ID = 0;
  64
  65     private ContentResolver mContentResolver;
  66     private ContentProviderClient mContentProviderClient;
  67     private Account mAccount;
  68
  69     private static String TAG = FileDataStorageManager.class.getSimpleName();
  70
  71
  72     public FileDataStorageManager(Account account, ContentResolver cr) {
  73         mContentProviderClient = null;
  74         mContentResolver = cr;
  75         mAccount = account;
  76     }
  77
  78     public FileDataStorageManager(Account account, ContentProviderClient cp) {
  79         mContentProviderClient = cp;
  80         mContentResolver = null;
  81         mAccount = account;
  82     }
  83
  84
  85     public void setAccount(Account account) {
  86         mAccount = account;
  87     }
  88
  89     public Account getAccount() {
  90         return mAccount;
  91     }
  92
  93     public ContentResolver getContentResolver() {
  94         return mContentResolver;
  95     }
  96
  97     public ContentProviderClient getContentProviderClient() {
  98         return mContentProviderClient;
  99     }
 100
 101
 102     public OCFile getFileByPath(String path) {
 103         Cursor c = getCursorForValue(ProviderTableMeta.FILE_PATH, path);
 104         OCFile file = null;
 105         if (c.moveToFirst()) {
 106             file = createFileInstance(c);
 107         }
 108         c.close();
 109         if (file == null && OCFile.ROOT_PATH.equals(path)) {
 110             return createRootDir(); // root should always exist
 111         }
 112         return file;
 113     }
 114
 115
 116     public OCFile getFileById(long id) {
 117         Cursor c = getCursorForValue(ProviderTableMeta._ID, String.valueOf(id));
 118         OCFile file = null;
 119         if (c.moveToFirst()) {
 120             file = createFileInstance(c);
 121         }
 122         c.close();
 123         return file;
 124     }
 125
 126     public OCFile getFileByLocalPath(String path) {
 127         Cursor c = getCursorForValue(ProviderTableMeta.FILE_STORAGE_PATH, path);
 128         OCFile file = null;
 129         if (c.moveToFirst()) {
 130             file = createFileInstance(c);
 131         }
 132         c.close();
 133         return file;
 134     }
 135
 136     public boolean fileExists(long id) {
 137         return fileExists(ProviderTableMeta._ID, String.valueOf(id));
 138     }
 139
 140     public boolean fileExists(String path) {
 141         return fileExists(ProviderTableMeta.FILE_PATH, path);
 142     }
 143
 144
 145     public Vector<OCFile> getFolderContent(OCFile f, boolean onlyOnDevice) {
 146         if (f != null && f.isFolder() && f.getFileId() != -1) {
 147             return getFolderContent(f.getFileId(), onlyOnDevice);
 148
 149         } else {
 150             return new Vector<OCFile>();
 151         }
 152     }
 153
 154
 155     public Vector<OCFile> getFolderImages(OCFile folder, boolean onlyOnDevice) {
 156         Vector<OCFile> ret = new Vector<OCFile>();
 157         if (folder != null) {
 158             // TODO better implementation, filtering in the access to database instead of here
 159             Vector<OCFile> tmp = getFolderContent(folder, onlyOnDevice);
 160             OCFile current = null;
 161             for (int i=0; i<tmp.size(); i++) {
 162                 current = tmp.get(i);
 163                 if (current.isImage()) {
 164                     ret.add(current);
 165                 }
 166             }
 167         }
 168         return ret;
 169     }
 170
 171     public boolean saveFile(OCFile file) {
 172         boolean overriden = false;
 173         ContentValues cv = new ContentValues();
 174         cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 175         cv.put(
 176                 ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 177                 file.getModificationTimestampAtLastSyncForData()
 178         );
 179         cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 180         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 181         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 182         cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 183         cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 184         cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 185         if (!file.isFolder())
 186             cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 187         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 188         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 189         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 190         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.isFavorite() ? 1 : 0);
 191         cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 192         cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, file.isSharedViaLink() ? 1 : 0);
 193         cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, file.isSharedWithSharee() ? 1 : 0);
 194         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
 195         cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
 196         cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
 197         cv.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL, file.needsUpdateThumbnail());
 198         cv.put(ProviderTableMeta.FILE_IS_DOWNLOADING, file.isDownloading());
 199         cv.put(ProviderTableMeta.FILE_ETAG_IN_CONFLICT, file.getEtagInConflict());
 200
 201         boolean sameRemotePath = fileExists(file.getRemotePath());
 202         if (sameRemotePath ||
 203                 fileExists(file.getFileId())) {  // for renamed files; no more delete and create
 204
 205             OCFile oldFile;
 206             if (sameRemotePath) {
 207                 oldFile = getFileByPath(file.getRemotePath());
 208                 file.setFileId(oldFile.getFileId());
 209             } else {
 210                 oldFile = getFileById(file.getFileId());
 211             }
 212
 213             overriden = true;
 214             if (getContentResolver() != null) {
 215                 getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv,
 216                         ProviderTableMeta._ID + "=?",
 217                         new String[]{String.valueOf(file.getFileId())});
 218             } else {
 219                 try {
 220                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI,
 221                             cv, ProviderTableMeta._ID + "=?",
 222                             new String[]{String.valueOf(file.getFileId())});
 223                 } catch (RemoteException e) {
 224                     Log_OC.e(TAG,
 225                             "Fail to insert insert file to database "
 226                                     + e.getMessage());
 227                 }
 228             }
 229         } else {
 230             Uri result_uri = null;
 231             if (getContentResolver() != null) {
 232                 result_uri = getContentResolver().insert(
 233                         ProviderTableMeta.CONTENT_URI_FILE, cv);
 234             } else {
 235                 try {
 236                     result_uri = getContentProviderClient().insert(
 237                             ProviderTableMeta.CONTENT_URI_FILE, cv);
 238                 } catch (RemoteException e) {
 239                     Log_OC.e(TAG,
 240                             "Fail to insert insert file to database "
 241                                     + e.getMessage());
 242                 }
 243             }
 244             if (result_uri != null) {
 245                 long new_id = Long.parseLong(result_uri.getPathSegments()
 246                         .get(1));
 247                 file.setFileId(new_id);
 248             }
 249         }
 250
 251         return overriden;
 252     }
 253
 254
 255     /**
 256      * Inserts or updates the list of files contained in a given folder.
 257      * <p/>
 258      * CALLER IS THE RESPONSIBLE FOR GRANTING RIGHT UPDATE OF INFORMATION, NOT THIS METHOD.
 259      * HERE ONLY DATA CONSISTENCY SHOULD BE GRANTED
 260      *
 261      * @param folder
 262      * @param updatedFiles
 263      * @param filesToRemove
 264      */
 265     public void saveFolder(
 266             OCFile folder, Collection<OCFile> updatedFiles, Collection<OCFile> filesToRemove
 267     ) {
 268
 269         Log_OC.d(TAG,  "Saving folder " + folder.getRemotePath() + " with " + updatedFiles.size()
 270                 + " children and " + filesToRemove.size() + " files to remove");
 271
 272         ArrayList<ContentProviderOperation> operations =
 273                 new ArrayList<ContentProviderOperation>(updatedFiles.size());
 274
 275         // prepare operations to insert or update files to save in the given folder
 276         for (OCFile file : updatedFiles) {
 277             ContentValues cv = new ContentValues();
 278             cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
 279             cv.put(
 280                     ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 281                     file.getModificationTimestampAtLastSyncForData()
 282             );
 283             cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
 284             cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
 285             cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
 286             cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
 287             //cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
 288             cv.put(ProviderTableMeta.FILE_PARENT, folder.getFileId());
 289             cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
 290             if (!file.isFolder()) {
 291                 cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
 292             }
 293             cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 294             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
 295             cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, file.getLastSyncDateForData());
 296             cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.isFavorite() ? 1 : 0);
 297             cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
 298             cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, file.isSharedViaLink() ? 1 : 0);
 299             cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, file.isSharedWithSharee() ? 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             cv.put(ProviderTableMeta.FILE_IS_DOWNLOADING, file.isDownloading());
 305             cv.put(ProviderTableMeta.FILE_ETAG_IN_CONFLICT, file.getEtagInConflict());
 306
 307             boolean existsByPath = fileExists(file.getRemotePath());
 308             if (existsByPath || fileExists(file.getFileId())) {
 309                 // updating an existing file
 310                 operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 311                         withValues(cv).
 312                         withSelection(ProviderTableMeta._ID + "=?",
 313                                 new String[]{String.valueOf(file.getFileId())})
 314                         .build());
 315
 316             } else {
 317                 // adding a new file
 318                 operations.add(ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
 319                         withValues(cv).build());
 320             }
 321         }
 322
 323         // prepare operations to remove files in the given folder
 324         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 325                 ProviderTableMeta.FILE_PATH + "=?";
 326         String [] whereArgs = null;
 327         for (OCFile file : filesToRemove) {
 328             if (file.getParentId() == folder.getFileId()) {
 329                 whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 330                 if (file.isFolder()) {
 331                     operations.add(ContentProviderOperation.newDelete(
 332                             ContentUris.withAppendedId(
 333                                     ProviderTableMeta.CONTENT_URI_DIR, file.getFileId()
 334                             )
 335                     ).withSelection(where, whereArgs).build());
 336
 337                     File localFolder =
 338                             new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 339                     if (localFolder.exists()) {
 340                         removeLocalFolder(localFolder);
 341                     }
 342                 } else {
 343                     operations.add(ContentProviderOperation.newDelete(
 344                             ContentUris.withAppendedId(
 345                                     ProviderTableMeta.CONTENT_URI_FILE, file.getFileId()
 346                             )
 347                     ).withSelection(where, whereArgs).build());
 348
 349                     if (file.isDown()) {
 350                         String path = file.getStoragePath();
 351                         new File(path).delete();
 352                         triggerMediaScan(path); // notify MediaScanner about removed file
 353                     }
 354                 }
 355             }
 356         }
 357
 358         // update metadata of folder
 359         ContentValues cv = new ContentValues();
 360         cv.put(ProviderTableMeta.FILE_MODIFIED, folder.getModificationTimestamp());
 361         cv.put(
 362                 ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
 363                 folder.getModificationTimestampAtLastSyncForData()
 364         );
 365         cv.put(ProviderTableMeta.FILE_CREATION, folder.getCreationTimestamp());
 366         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, 0);
 367         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, folder.getMimetype());
 368         cv.put(ProviderTableMeta.FILE_NAME, folder.getFileName());
 369         cv.put(ProviderTableMeta.FILE_PARENT, folder.getParentId());
 370         cv.put(ProviderTableMeta.FILE_PATH, folder.getRemotePath());
 371         cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
 372         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, folder.getLastSyncDateForProperties());
 373         cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, folder.getLastSyncDateForData());
 374         cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, folder.isFavorite() ? 1 : 0);
 375         cv.put(ProviderTableMeta.FILE_ETAG, folder.getEtag());
 376         cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, folder.isSharedViaLink() ? 1 : 0);
 377         cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, folder.isSharedWithSharee() ? 1 : 0);
 378         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, folder.getPublicLink());
 379         cv.put(ProviderTableMeta.FILE_PERMISSIONS, folder.getPermissions());
 380         cv.put(ProviderTableMeta.FILE_REMOTE_ID, folder.getRemoteId());
 381
 382         operations.add(ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 383                 withValues(cv).
 384                 withSelection(ProviderTableMeta._ID + "=?",
 385                         new String[]{String.valueOf(folder.getFileId())})
 386                 .build());
 387
 388         // apply operations in batch
 389         ContentProviderResult[] results = null;
 390         Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
 391         try {
 392             if (getContentResolver() != null) {
 393                 results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 394
 395             } else {
 396                 results = getContentProviderClient().applyBatch(operations);
 397             }
 398
 399         } catch (OperationApplicationException e) {
 400             Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
 401
 402         } catch (RemoteException e) {
 403             Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
 404         }
 405
 406         // update new id in file objects for insertions
 407         if (results != null) {
 408             long newId;
 409             Iterator<OCFile> filesIt = updatedFiles.iterator();
 410             OCFile file = null;
 411             for (int i = 0; i < results.length; i++) {
 412                 if (filesIt.hasNext()) {
 413                     file = filesIt.next();
 414                 } else {
 415                     file = null;
 416                 }
 417                 if (results[i].uri != null) {
 418                     newId = Long.parseLong(results[i].uri.getPathSegments().get(1));
 419                     //updatedFiles.get(i).setFileId(newId);
 420                     if (file != null) {
 421                         file.setFileId(newId);
 422                     }
 423                 }
 424             }
 425         }
 426
 427     }
 428
 429
 430     public boolean removeFile(OCFile file, boolean removeDBData, boolean removeLocalCopy) {
 431         boolean success = true;
 432         if (file != null) {
 433             if (file.isFolder()) {
 434                 success = removeFolder(file, removeDBData, removeLocalCopy);
 435
 436             } else {
 437                 if (removeDBData) {
 438                     //Uri file_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE,
 439                     // ""+file.getFileId());
 440                     Uri file_uri = ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_FILE,
 441                             file.getFileId());
 442                     String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 443                             ProviderTableMeta.FILE_PATH + "=?";
 444                     String[] whereArgs = new String[]{mAccount.name, file.getRemotePath()};
 445                     int deleted = 0;
 446                     if (getContentProviderClient() != null) {
 447                         try {
 448                             deleted = getContentProviderClient().delete(file_uri, where, whereArgs);
 449                         } catch (RemoteException e) {
 450                             e.printStackTrace();
 451                         }
 452                     } else {
 453                         deleted = getContentResolver().delete(file_uri, where, whereArgs);
 454                     }
 455                     success &= (deleted > 0);
 456                 }
 457                 String localPath = file.getStoragePath();
 458                 if (removeLocalCopy && file.isDown() && localPath != null && success) {
 459                     success = new File(localPath).delete();
 460                     if (success) {
 461                         deleteFileInMediaScan(localPath);
 462                     }
 463                     if (!removeDBData && success) {
 464                         // maybe unnecessary, but should be checked TODO remove if unnecessary
 465                         file.setStoragePath(null);
 466                         saveFile(file);
 467                         saveConflict(file, null);
 468                     }
 469                 }
 470             }
 471         }
 472         return success;
 473     }
 474
 475
 476     public boolean removeFolder(OCFile folder, boolean removeDBData, boolean removeLocalContent) {
 477         boolean success = true;
 478         if (folder != null && folder.isFolder()) {
 479             if (removeDBData && folder.getFileId() != -1) {
 480                 success = removeFolderInDb(folder);
 481             }
 482             if (removeLocalContent && success) {
 483                 success = removeLocalFolder(folder);
 484             }
 485         }
 486         return success;
 487     }
 488
 489     private boolean removeFolderInDb(OCFile folder) {
 490         Uri folder_uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, "" +
 491                 folder.getFileId());   // URI for recursive deletion
 492         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?" + " AND " +
 493                 ProviderTableMeta.FILE_PATH + "=?";
 494         String [] whereArgs = new String[]{mAccount.name, folder.getRemotePath()};
 495         int deleted = 0;
 496         if (getContentProviderClient() != null) {
 497             try {
 498                 deleted = getContentProviderClient().delete(folder_uri, where, whereArgs);
 499             } catch (RemoteException e) {
 500                 e.printStackTrace();
 501             }
 502         } else {
 503             deleted = getContentResolver().delete(folder_uri, where, whereArgs);
 504         }
 505         return deleted > 0;
 506     }
 507
 508     private boolean removeLocalFolder(OCFile folder) {
 509         boolean success = true;
 510         String localFolderPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, folder);
 511         File localFolder = new File(localFolderPath);
 512         if (localFolder.exists()) {
 513             // stage 1: remove the local files already registered in the files database
 514             Vector<OCFile> files = getFolderContent(folder.getFileId(), false);
 515             if (files != null) {
 516                 for (OCFile file : files) {
 517                     if (file.isFolder()) {
 518                         success &= removeLocalFolder(file);
 519                     } else {
 520                         if (file.isDown()) {
 521                             File localFile = new File(file.getStoragePath());
 522                             success &= localFile.delete();
 523                             if (success) {
 524                                 // notify MediaScanner about removed file
 525                                 deleteFileInMediaScan(file.getStoragePath());
 526                                 file.setStoragePath(null);
 527                                 saveFile(file);
 528                             }
 529                         }
 530                     }
 531                 }
 532             }
 533
 534             // stage 2: remove the folder itself and any local file inside out of sync;
 535             //          for instance, after clearing the app cache or reinstalling
 536             success &= removeLocalFolder(localFolder);
 537         }
 538         return success;
 539     }
 540
 541     private boolean removeLocalFolder(File localFolder) {
 542         boolean success = true;
 543         File[] localFiles = localFolder.listFiles();
 544         if (localFiles != null) {
 545             for (File localFile : localFiles) {
 546                 if (localFile.isDirectory()) {
 547                     success &= removeLocalFolder(localFile);
 548                 } else {
 549                     String path = localFile.getAbsolutePath();
 550                     success &= localFile.delete();
 551                 }
 552             }
 553         }
 554         success &= localFolder.delete();
 555         return success;
 556     }
 557
 558
 559     /**
 560      * Updates database and file system for a file or folder that was moved to a different location.
 561      *
 562      * TODO explore better (faster) implementations
 563      * TODO throw exceptions up !
 564      */
 565     public void moveLocalFile(OCFile file, String targetPath, String targetParentPath) {
 566
 567         if (file != null && file.fileExists() && !OCFile.ROOT_PATH.equals(file.getFileName())) {
 568
 569             OCFile targetParent = getFileByPath(targetParentPath);
 570             if (targetParent == null) {
 571                 throw new IllegalStateException(
 572                         "Parent folder of the target path does not exist!!");
 573             }
 574
 575             /// 1. get all the descendants of the moved element in a single QUERY
 576             Cursor c = null;
 577             if (getContentProviderClient() != null) {
 578                 try {
 579                     c = getContentProviderClient().query(
 580                             ProviderTableMeta.CONTENT_URI,
 581                             null,
 582                             ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 583                                     ProviderTableMeta.FILE_PATH + " LIKE ? ",
 584                             new String[]{
 585                                     mAccount.name,
 586                                     file.getRemotePath() + "%"
 587                             },
 588                             ProviderTableMeta.FILE_PATH + " ASC "
 589                     );
 590                 } catch (RemoteException e) {
 591                     Log_OC.e(TAG, e.getMessage());
 592                 }
 593
 594             } else {
 595                 c = getContentResolver().query(
 596                         ProviderTableMeta.CONTENT_URI,
 597                         null,
 598                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
 599                                 ProviderTableMeta.FILE_PATH + " LIKE ? ",
 600                         new String[]{
 601                                 mAccount.name,
 602                                 file.getRemotePath() + "%"
 603                         },
 604                         ProviderTableMeta.FILE_PATH + " ASC "
 605                 );
 606             }
 607
 608             /// 2. prepare a batch of update operations to change all the descendants
 609             ArrayList<ContentProviderOperation> operations =
 610                     new ArrayList<ContentProviderOperation>(c.getCount());
 611             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 612             List<String> originalPathsToTriggerMediaScan = new ArrayList<String>();
 613             List<String> newPathsToTriggerMediaScan = new ArrayList<String>();
 614             if (c.moveToFirst()) {
 615                 int lengthOfOldPath = file.getRemotePath().length();
 616                 int lengthOfOldStoragePath = defaultSavePath.length() + lengthOfOldPath;
 617                 do {
 618                     ContentValues cv = new ContentValues(); // keep construction in the loop
 619                     OCFile child = createFileInstance(c);
 620                     cv.put(
 621                             ProviderTableMeta.FILE_PATH,
 622                             targetPath + child.getRemotePath().substring(lengthOfOldPath)
 623                     );
 624                     if (child.getStoragePath() != null &&
 625                             child.getStoragePath().startsWith(defaultSavePath)) {
 626                         // update link to downloaded content - but local move is not done here!
 627                         String targetLocalPath = defaultSavePath + targetPath +
 628                                 child.getStoragePath().substring(lengthOfOldStoragePath);
 629
 630                         cv.put(ProviderTableMeta.FILE_STORAGE_PATH, targetLocalPath);
 631
 632                         originalPathsToTriggerMediaScan.add(child.getStoragePath());
 633                         newPathsToTriggerMediaScan.add(targetLocalPath);
 634
 635                     }
 636                     if (child.getRemotePath().equals(file.getRemotePath())) {
 637                         cv.put(
 638                                 ProviderTableMeta.FILE_PARENT,
 639                                 targetParent.getFileId()
 640                         );
 641                     }
 642                     operations.add(
 643                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 644                                     withValues(cv).
 645                                     withSelection(
 646                                             ProviderTableMeta._ID + "=?",
 647                                             new String[]{String.valueOf(child.getFileId())}
 648                                     )
 649                                     .build());
 650
 651                 } while (c.moveToNext());
 652             }
 653             c.close();
 654
 655             /// 3. apply updates in batch
 656             try {
 657                 if (getContentResolver() != null) {
 658                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 659
 660                 } else {
 661                     getContentProviderClient().applyBatch(operations);
 662                 }
 663
 664             } catch (Exception e) {
 665                 Log_OC.e(TAG, "Fail to update " + file.getFileId() + " and descendants in database",
 666                         e);
 667             }
 668
 669             /// 4. move in local file system
 670             String originalLocalPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, file);
 671             String targetLocalPath = defaultSavePath + targetPath;
 672             File localFile = new File(originalLocalPath);
 673             boolean renamed = false;
 674             if (localFile.exists()) {
 675                 File targetFile = new File(targetLocalPath);
 676                 File targetFolder = targetFile.getParentFile();
 677                 if (!targetFolder.exists()) {
 678                     targetFolder.mkdirs();
 679                 }
 680                 renamed = localFile.renameTo(targetFile);
 681             }
 682
 683             if (renamed) {
 684                 Iterator<String> it = originalPathsToTriggerMediaScan.iterator();
 685                 while (it.hasNext()) {
 686                     // Notify MediaScanner about removed file
 687                     deleteFileInMediaScan(it.next());
 688                 }
 689                 it = newPathsToTriggerMediaScan.iterator();
 690                 while (it.hasNext()) {
 691                     // Notify MediaScanner about new file/folder
 692                     triggerMediaScan(it.next());
 693                 }
 694             }
 695         }
 696
 697     }
 698
 699     public void copyLocalFile(OCFile file, String targetPath) {
 700
 701         if (file != null && file.fileExists() && !OCFile.ROOT_PATH.equals(file.getFileName())) {
 702             String localPath = FileStorageUtils.getDefaultSavePathFor(mAccount.name, file);
 703             File localFile = new File(localPath);
 704             boolean copied = false;
 705             String defaultSavePath = FileStorageUtils.getSavePath(mAccount.name);
 706             if (localFile.exists()) {
 707                 File targetFile = new File(defaultSavePath + targetPath);
 708                 File targetFolder = targetFile.getParentFile();
 709                 if (!targetFolder.exists()) {
 710                     targetFolder.mkdirs();
 711                 }
 712                 copied = FileStorageUtils.copyFile(localFile, targetFile);
 713             }
 714             Log_OC.d(TAG, "Local file COPIED : " + copied);
 715         }
 716     }
 717
 718     public void migrateStoredFiles(String srcPath, String dstPath) throws Exception {
 719         Cursor c = null;
 720         if (getContentResolver() != null) {
 721             c = getContentResolver().query(ProviderTableMeta.CONTENT_URI_FILE,
 722                     null,
 723                     ProviderTableMeta.FILE_STORAGE_PATH  + " IS NOT NULL",
 724                     null,
 725                     null);
 726
 727         } else {
 728             try {
 729                 c = getContentProviderClient().query(ProviderTableMeta.CONTENT_URI_FILE,
 730                         new String[]{ProviderTableMeta._ID, ProviderTableMeta.FILE_STORAGE_PATH},
 731                         ProviderTableMeta.FILE_STORAGE_PATH + " IS NOT NULL",
 732                         null,
 733                         null);
 734             } catch (RemoteException e) {
 735                 Log_OC.e(TAG, e.getMessage());
 736                 throw e;
 737             }
 738         }
 739
 740         ArrayList<ContentProviderOperation> operations =
 741                 new ArrayList<ContentProviderOperation>(c.getCount());
 742         if (c.moveToFirst()) {
 743             do {
 744                 ContentValues cv = new ContentValues();
 745                 long fileId = c.getLong(c.getColumnIndex(ProviderTableMeta._ID));
 746                 String oldFileStoragePath = c.getString(c.getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH));
 747
 748                 if (oldFileStoragePath.startsWith(srcPath)) {
 749
 750                     cv.put(
 751                             ProviderTableMeta.FILE_STORAGE_PATH,
 752                             oldFileStoragePath.replaceFirst(srcPath, dstPath));
 753
 754                     operations.add(
 755                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
 756                                     withValues(cv).
 757                                     withSelection(
 758                                             ProviderTableMeta._ID + "=?",
 759                                             new String[]{String.valueOf(fileId)}
 760                                     )
 761                                     .build());
 762                 }
 763
 764             } while (c.moveToNext());
 765         }
 766         c.close();
 767
 768         /// 3. apply updates in batch
 769         try {
 770             if (getContentResolver() != null) {
 771                 getContentResolver().applyBatch(MainApp.getAuthority(), operations);
 772
 773             } else {
 774                 getContentProviderClient().applyBatch(operations);
 775             }
 776
 777         } catch (Exception e) {
 778             throw e;
 779         }
 780     }
 781
 782
 783     private Vector<OCFile> getFolderContent(long parentId, boolean onlyOnDevice) {
 784
 785         Vector<OCFile> ret = new Vector<OCFile>();
 786
 787         Uri req_uri = Uri.withAppendedPath(
 788                 ProviderTableMeta.CONTENT_URI_DIR,
 789                 String.valueOf(parentId));
 790         Cursor c = null;
 791
 792         if (getContentProviderClient() != null) {
 793             try {
 794                 c = getContentProviderClient().query(req_uri, null,
 795                         ProviderTableMeta.FILE_PARENT + "=?",
 796                         new String[]{String.valueOf(parentId)}, null);
 797             } catch (RemoteException e) {
 798                 Log_OC.e(TAG, e.getMessage());
 799                 return ret;
 800             }
 801         } else {
 802             c = getContentResolver().query(req_uri, null,
 803                     ProviderTableMeta.FILE_PARENT + "=?",
 804                     new String[]{String.valueOf(parentId)}, null);
 805         }
 806
 807         if (c.moveToFirst()) {
 808             do {
 809                 OCFile child = createFileInstance(c);
 810                  if (child.isFolder() || !onlyOnDevice || onlyOnDevice && child.isDown()){
 811                     ret.add(child);
 812                  }
 813             } while (c.moveToNext());
 814         }
 815
 816         c.close();
 817
 818         Collections.sort(ret);
 819
 820         return ret;
 821     }
 822
 823
 824     private OCFile createRootDir() {
 825         OCFile file = new OCFile(OCFile.ROOT_PATH);
 826         file.setMimetype("DIR");
 827         file.setParentId(FileDataStorageManager.ROOT_PARENT_ID);
 828         saveFile(file);
 829         return file;
 830     }
 831
 832     private boolean fileExists(String cmp_key, String value) {
 833         Cursor c;
 834         if (getContentResolver() != null) {
 835             c = getContentResolver()
 836                     .query(ProviderTableMeta.CONTENT_URI,
 837                             null,
 838                             cmp_key + "=? AND "
 839                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 840                                     + "=?",
 841                             new String[]{value, mAccount.name}, null);
 842         } else {
 843             try {
 844                 c = getContentProviderClient().query(
 845                         ProviderTableMeta.CONTENT_URI,
 846                         null,
 847                         cmp_key + "=? AND "
 848                                 + ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
 849                         new String[]{value, mAccount.name}, null);
 850             } catch (RemoteException e) {
 851                 Log_OC.e(TAG,
 852                         "Couldn't determine file existance, assuming non existance: "
 853                                 + e.getMessage());
 854                 return false;
 855             }
 856         }
 857         boolean retval = c.moveToFirst();
 858         c.close();
 859         return retval;
 860     }
 861
 862     private Cursor getCursorForValue(String key, String value) {
 863         Cursor c = null;
 864         if (getContentResolver() != null) {
 865             c = getContentResolver()
 866                     .query(ProviderTableMeta.CONTENT_URI,
 867                             null,
 868                             key + "=? AND "
 869                                     + ProviderTableMeta.FILE_ACCOUNT_OWNER
 870                                     + "=?",
 871                             new String[]{value, mAccount.name}, null);
 872         } else {
 873             try {
 874                 c = getContentProviderClient().query(
 875                         ProviderTableMeta.CONTENT_URI,
 876                         null,
 877                         key + "=? AND " + ProviderTableMeta.FILE_ACCOUNT_OWNER
 878                                 + "=?", new String[]{value, mAccount.name},
 879                         null);
 880             } catch (RemoteException e) {
 881                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
 882                 c = null;
 883             }
 884         }
 885         return c;
 886     }
 887
 888
 889     private OCFile createFileInstance(Cursor c) {
 890         OCFile file = null;
 891         if (c != null) {
 892             file = new OCFile(c.getString(c
 893                     .getColumnIndex(ProviderTableMeta.FILE_PATH)));
 894             file.setFileId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
 895             file.setParentId(c.getLong(c
 896                     .getColumnIndex(ProviderTableMeta.FILE_PARENT)));
 897             file.setMimetype(c.getString(c
 898                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE)));
 899             if (!file.isFolder()) {
 900                 file.setStoragePath(c.getString(c
 901                         .getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH)));
 902                 if (file.getStoragePath() == null) {
 903                     // try to find existing file and bind it with current account;
 904                     // with the current update of SynchronizeFolderOperation, this won't be
 905                     // necessary anymore after a full synchronization of the account
 906                     File f = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
 907                     if (f.exists()) {
 908                         file.setStoragePath(f.getAbsolutePath());
 909                         file.setLastSyncDateForData(f.lastModified());
 910                     }
 911                 }
 912             }
 913             file.setFileLength(c.getLong(c
 914                     .getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH)));
 915             file.setCreationTimestamp(c.getLong(c
 916                     .getColumnIndex(ProviderTableMeta.FILE_CREATION)));
 917             file.setModificationTimestamp(c.getLong(c
 918                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED)));
 919             file.setModificationTimestampAtLastSyncForData(c.getLong(c
 920                     .getColumnIndex(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA)));
 921             file.setLastSyncDateForProperties(c.getLong(c
 922                     .getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE)));
 923             file.setLastSyncDateForData(c.getLong(c.
 924                     getColumnIndex(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA)));
 925             file.setFavorite(c.getInt(
 926                     c.getColumnIndex(ProviderTableMeta.FILE_KEEP_IN_SYNC)) == 1 ? true : false);
 927             file.setEtag(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG)));
 928             file.setShareViaLink(c.getInt(
 929                     c.getColumnIndex(ProviderTableMeta.FILE_SHARED_VIA_LINK)) == 1 ? true : false);
 930             file.setShareWithSharee(c.getInt(
 931                     c.getColumnIndex(ProviderTableMeta.FILE_SHARED_WITH_SHAREE)) == 1 ? true : false);
 932             file.setPublicLink(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PUBLIC_LINK)));
 933             file.setPermissions(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PERMISSIONS)));
 934             file.setRemoteId(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_REMOTE_ID)));
 935             file.setNeedsUpdateThumbnail(c.getInt(
 936                     c.getColumnIndex(ProviderTableMeta.FILE_UPDATE_THUMBNAIL)) == 1 ? true : false);
 937             file.setDownloading(c.getInt(
 938                     c.getColumnIndex(ProviderTableMeta.FILE_IS_DOWNLOADING)) == 1 ? true : false);
 939             file.setEtagInConflict(c.getString(c.getColumnIndex(ProviderTableMeta.FILE_ETAG_IN_CONFLICT)));
 940
 941         }
 942         return file;
 943     }
 944
 945     // Methods for Shares
 946     public boolean saveShare(OCShare share) {
 947         boolean overriden = false;
 948         ContentValues cv = new ContentValues();
 949         cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
 950         cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
 951         cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
 952         cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
 953         cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
 954         cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
 955         cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
 956         cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
 957         cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
 958         cv.put(
 959                 ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
 960                 share.getSharedWithDisplayName()
 961         );
 962         cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
 963         cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
 964         cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getRemoteId());
 965         cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
 966
 967         if (shareExists(share.getRemoteId())) {// for renamed files; no more delete and create
 968             overriden = true;
 969             if (getContentResolver() != null) {
 970                 getContentResolver().update(ProviderTableMeta.CONTENT_URI_SHARE, cv,
 971                         ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 972                         new String[]{String.valueOf(share.getRemoteId())});
 973             } else {
 974                 try {
 975                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_SHARE,
 976                             cv, ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
 977                             new String[]{String.valueOf(share.getRemoteId())});
 978                 } catch (RemoteException e) {
 979                     Log_OC.e(TAG,
 980                             "Fail to insert insert file to database "
 981                                     + e.getMessage());
 982                 }
 983             }
 984         } else {
 985             Uri result_uri = null;
 986             if (getContentResolver() != null) {
 987                 result_uri = getContentResolver().insert(
 988                         ProviderTableMeta.CONTENT_URI_SHARE, cv);
 989             } else {
 990                 try {
 991                     result_uri = getContentProviderClient().insert(
 992                             ProviderTableMeta.CONTENT_URI_SHARE, cv);
 993                 } catch (RemoteException e) {
 994                     Log_OC.e(TAG,
 995                             "Fail to insert insert file to database "
 996                                     + e.getMessage());
 997                 }
 998             }
 999             if (result_uri != null) {
1000                 long new_id = Long.parseLong(result_uri.getPathSegments()
1001                         .get(1));
1002                 share.setId(new_id);
1003             }
1004         }
1005
1006         return overriden;
1007     }
1008
1009
1010     /**
1011      * Get first share bound to a file with a known path and given {@link ShareType}.
1012      *
1013      * @param path          Path of the file.
1014      * @param type          Type of the share to get
1015      * @param shareWith     Target of the share. Ignored in type is {@link ShareType#PUBLIC_LINK}
1016      * @return              First {@OCShare} instance found in DB bound to the file in 'path'
1017      */
1018     public OCShare getFirstShareByPathAndType(String path, ShareType type, String shareWith) {
1019         Cursor c = null;
1020         if (shareWith == null) {
1021             shareWith = "";
1022         }
1023
1024         String selection = ProviderTableMeta.OCSHARES_PATH + "=? AND "
1025                 + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? AND "
1026                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?" ;
1027         if (!ShareType.PUBLIC_LINK.equals(type)) {
1028             selection += " AND " + ProviderTableMeta.OCSHARES_SHARE_WITH + "=?";
1029         }
1030
1031         String [] selectionArgs;
1032         if (ShareType.PUBLIC_LINK.equals(type)) {
1033             selectionArgs = new String[]{
1034                     path,
1035                     Integer.toString(type.getValue()),
1036                     mAccount.name
1037             };
1038         } else {
1039             selectionArgs = new String[]{
1040                     path,
1041                     Integer.toString(type.getValue()),
1042                     mAccount.name,
1043                     shareWith
1044             };
1045         }
1046
1047         if (getContentResolver() != null) {
1048             c = getContentResolver().query(
1049                     ProviderTableMeta.CONTENT_URI_SHARE,
1050                     null,
1051                     selection, selectionArgs,
1052                     null);
1053         } else {
1054             try {
1055                 c = getContentProviderClient().query(
1056                         ProviderTableMeta.CONTENT_URI_SHARE,
1057                         null,
1058                         selection, selectionArgs,
1059                         null);
1060
1061             } catch (RemoteException e) {
1062                 Log_OC.e(TAG, "Could not get file details: " + e.getMessage());
1063                 c = null;
1064             }
1065         }
1066         OCShare share = null;
1067         if (c.moveToFirst()) {
1068             share = createShareInstance(c);
1069         }
1070         c.close();
1071         return share;
1072     }
1073
1074     private OCShare createShareInstance(Cursor c) {
1075         OCShare share = null;
1076         if (c != null) {
1077             share = new OCShare(c.getString(c
1078                     .getColumnIndex(ProviderTableMeta.OCSHARES_PATH)));
1079             share.setId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
1080             share.setFileSource(c.getLong(c
1081                     .getColumnIndex(ProviderTableMeta.OCSHARES_ITEM_SOURCE)));
1082             share.setShareType(ShareType.fromValue(c.getInt(c
1083                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_TYPE))));
1084             share.setShareWith(c.getString(c
1085                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_WITH)));
1086             share.setPermissions(c.getInt(c
1087                     .getColumnIndex(ProviderTableMeta.OCSHARES_PERMISSIONS)));
1088             share.setSharedDate(c.getLong(c
1089                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARED_DATE)));
1090             share.setExpirationDate(c.getLong(c
1091                     .getColumnIndex(ProviderTableMeta.OCSHARES_EXPIRATION_DATE)));
1092             share.setToken(c.getString(c
1093                     .getColumnIndex(ProviderTableMeta.OCSHARES_TOKEN)));
1094             share.setSharedWithDisplayName(c.getString(c
1095                     .getColumnIndex(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME)));
1096             share.setIsFolder(c.getInt(
1097                     c.getColumnIndex(ProviderTableMeta.OCSHARES_IS_DIRECTORY)) == 1);
1098             share.setUserId(c.getLong(c.getColumnIndex(ProviderTableMeta.OCSHARES_USER_ID)));
1099             share.setIdRemoteShared(c.getLong(
1100                     c.getColumnIndex(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED)));
1101         }
1102         return share;
1103     }
1104
1105     private boolean shareExists(String cmp_key, String value) {
1106         Cursor c;
1107         if (getContentResolver() != null) {
1108             c = getContentResolver()
1109                     .query(ProviderTableMeta.CONTENT_URI_SHARE,
1110                             null,
1111                             cmp_key + "=? AND "
1112                                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
1113                                     + "=?",
1114                             new String[]{value, mAccount.name}, null);
1115         } else {
1116             try {
1117                 c = getContentProviderClient().query(
1118                         ProviderTableMeta.CONTENT_URI_SHARE,
1119                         null,
1120                         cmp_key + "=? AND "
1121                                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?",
1122                         new String[]{value, mAccount.name}, null);
1123             } catch (RemoteException e) {
1124                 Log_OC.e(TAG,
1125                         "Couldn't determine file existance, assuming non existance: "
1126                                 + e.getMessage());
1127                 return false;
1128             }
1129         }
1130         boolean retval = c.moveToFirst();
1131         c.close();
1132         return retval;
1133     }
1134
1135     private boolean shareExists(long remoteId) {
1136         return shareExists(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, String.valueOf(remoteId));
1137     }
1138
1139     private void resetShareFlagsInAllFiles() {
1140         ContentValues cv = new ContentValues();
1141         cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, false);
1142         cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, false);
1143         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1144         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?";
1145         String[] whereArgs = new String[]{mAccount.name};
1146
1147         if (getContentResolver() != null) {
1148             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1149
1150         } else {
1151             try {
1152                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where,
1153                         whereArgs);
1154             } catch (RemoteException e) {
1155                 Log_OC.e(TAG, "Exception in resetShareFlagsInAllFiles" + e.getMessage());
1156             }
1157         }
1158     }
1159
1160     private void resetShareFlagsInFolder(OCFile folder) {
1161         ContentValues cv = new ContentValues();
1162         cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, false);
1163         cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, false);
1164         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1165         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1166                 ProviderTableMeta.FILE_PARENT + "=?";
1167         String [] whereArgs = new String[] { mAccount.name , String.valueOf(folder.getFileId()) };
1168
1169         if (getContentResolver() != null) {
1170             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1171
1172         } else {
1173             try {
1174                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where,
1175                         whereArgs);
1176             } catch (RemoteException e) {
1177                 Log_OC.e(TAG, "Exception in resetShareFlagsInFolder " + e.getMessage());
1178             }
1179         }
1180     }
1181
1182     private void resetShareFlagInAFile(String filePath){
1183         ContentValues cv = new ContentValues();
1184         cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, false);
1185         cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, false);
1186         cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, "");
1187         String where = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1188                 ProviderTableMeta.FILE_PATH+ "=?";
1189         String [] whereArgs = new String[] { mAccount.name , filePath };
1190
1191         if (getContentResolver() != null) {
1192             getContentResolver().update(ProviderTableMeta.CONTENT_URI, cv, where, whereArgs);
1193
1194         } else {
1195             try {
1196                 getContentProviderClient().update(ProviderTableMeta.CONTENT_URI, cv, where,
1197                         whereArgs);
1198             } catch (RemoteException e) {
1199                 Log_OC.e(TAG, "Exception in resetShareFlagsInFolder " + e.getMessage());
1200             }
1201         }
1202     }
1203
1204     private void cleanShares() {
1205         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1206         String[] whereArgs = new String[]{mAccount.name};
1207
1208         if (getContentResolver() != null) {
1209             getContentResolver().delete(ProviderTableMeta.CONTENT_URI_SHARE, where, whereArgs);
1210
1211         } else {
1212             try {
1213                 getContentProviderClient().delete(ProviderTableMeta.CONTENT_URI_SHARE, where,
1214                         whereArgs);
1215             } catch (RemoteException e) {
1216                 Log_OC.e(TAG, "Exception in cleanShares" + e.getMessage());
1217             }
1218         }
1219     }
1220
1221     public void saveShares(Collection<OCShare> shares) {
1222         cleanShares();
1223         if (shares != null) {
1224             ArrayList<ContentProviderOperation> operations =
1225                     new ArrayList<ContentProviderOperation>(shares.size());
1226
1227             // prepare operations to insert or update files to save in the given folder
1228             for (OCShare share : shares) {
1229                 ContentValues cv = new ContentValues();
1230                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1231                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1232                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1233                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1234                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1235                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1236                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1237                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1238                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1239                 cv.put(
1240                         ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1241                         share.getSharedWithDisplayName()
1242                 );
1243                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1244                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1245                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getRemoteId());
1246                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1247
1248                 if (shareExists(share.getRemoteId())) {
1249                     // updating an existing file
1250                     operations.add(
1251                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI_SHARE).
1252                                     withValues(cv).
1253                                     withSelection(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + "=?",
1254                                             new String[]{String.valueOf(share.getRemoteId())})
1255                                     .build());
1256                 } else {
1257                     // adding a new file
1258                     operations.add(
1259                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1260                                     withValues(cv).
1261                                     build()
1262                     );
1263                 }
1264             }
1265
1266             // apply operations in batch
1267             if (operations.size() > 0) {
1268                 @SuppressWarnings("unused")
1269                 ContentProviderResult[] results = null;
1270                 Log_OC.d(TAG, "Sending " + operations.size() +
1271                         " operations to FileContentProvider");
1272                 try {
1273                     if (getContentResolver() != null) {
1274                         results = getContentResolver().applyBatch(MainApp.getAuthority(),
1275                                 operations);
1276                     } else {
1277                         results = getContentProviderClient().applyBatch(operations);
1278                     }
1279
1280                 } catch (OperationApplicationException e) {
1281                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1282
1283                 } catch (RemoteException e) {
1284                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1285                 }
1286             }
1287         }
1288
1289     }
1290
1291     public void updateSharedFiles(Collection<OCFile> sharedFiles) {
1292         resetShareFlagsInAllFiles();
1293
1294         if (sharedFiles != null) {
1295             ArrayList<ContentProviderOperation> operations =
1296                     new ArrayList<ContentProviderOperation>(sharedFiles.size());
1297
1298             // prepare operations to insert or update files to save in the given folder
1299             for (OCFile file : sharedFiles) {
1300                 ContentValues cv = new ContentValues();
1301                 cv.put(ProviderTableMeta.FILE_MODIFIED, file.getModificationTimestamp());
1302                 cv.put(
1303                         ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
1304                         file.getModificationTimestampAtLastSyncForData()
1305                 );
1306                 cv.put(ProviderTableMeta.FILE_CREATION, file.getCreationTimestamp());
1307                 cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, file.getFileLength());
1308                 cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, file.getMimetype());
1309                 cv.put(ProviderTableMeta.FILE_NAME, file.getFileName());
1310                 cv.put(ProviderTableMeta.FILE_PARENT, file.getParentId());
1311                 cv.put(ProviderTableMeta.FILE_PATH, file.getRemotePath());
1312                 if (!file.isFolder()) {
1313                     cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getStoragePath());
1314                 }
1315                 cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, mAccount.name);
1316                 cv.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, file.getLastSyncDateForProperties());
1317                 cv.put(
1318                         ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA,
1319                         file.getLastSyncDateForData()
1320                 );
1321                 cv.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, file.isFavorite() ? 1 : 0);
1322                 cv.put(ProviderTableMeta.FILE_ETAG, file.getEtag());
1323                 cv.put(ProviderTableMeta.FILE_SHARED_VIA_LINK, file.isSharedViaLink() ? 1 : 0);
1324                 cv.put(ProviderTableMeta.FILE_SHARED_WITH_SHAREE, file.isSharedWithSharee() ? 1 : 0);
1325                 cv.put(ProviderTableMeta.FILE_PUBLIC_LINK, file.getPublicLink());
1326                 cv.put(ProviderTableMeta.FILE_PERMISSIONS, file.getPermissions());
1327                 cv.put(ProviderTableMeta.FILE_REMOTE_ID, file.getRemoteId());
1328                 cv.put(
1329                         ProviderTableMeta.FILE_UPDATE_THUMBNAIL,
1330                         file.needsUpdateThumbnail() ? 1 : 0
1331                 );
1332                 cv.put(
1333                         ProviderTableMeta.FILE_IS_DOWNLOADING,
1334                         file.isDownloading() ? 1 : 0
1335                 );
1336                 cv.put(ProviderTableMeta.FILE_ETAG_IN_CONFLICT, file.getEtagInConflict());
1337
1338                 boolean existsByPath = fileExists(file.getRemotePath());
1339                 if (existsByPath || fileExists(file.getFileId())) {
1340                     // updating an existing file
1341                     operations.add(
1342                             ContentProviderOperation.newUpdate(ProviderTableMeta.CONTENT_URI).
1343                                     withValues(cv).
1344                                     withSelection(ProviderTableMeta._ID + "=?",
1345                                             new String[]{String.valueOf(file.getFileId())})
1346                                     .build());
1347
1348                 } else {
1349                     // adding a new file
1350                     operations.add(
1351                             ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI).
1352                                     withValues(cv).
1353                                     build()
1354                     );
1355                 }
1356             }
1357
1358             // apply operations in batch
1359             if (operations.size() > 0) {
1360                 @SuppressWarnings("unused")
1361                 ContentProviderResult[] results = null;
1362                 Log_OC.d(TAG, "Sending " + operations.size() +
1363                         " operations to FileContentProvider");
1364                 try {
1365                     if (getContentResolver() != null) {
1366                         results = getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1367                     } else {
1368                         results = getContentProviderClient().applyBatch(operations);
1369                     }
1370
1371                 } catch (OperationApplicationException e) {
1372                     Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1373
1374                 } catch (RemoteException e) {
1375                     Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1376                 }
1377             }
1378         }
1379
1380     }
1381
1382     public void removeShare(OCShare share) {
1383         Uri share_uri = ProviderTableMeta.CONTENT_URI_SHARE;
1384         String where = ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?" + " AND " +
1385                 ProviderTableMeta._ID + "=?";
1386         String [] whereArgs = new String[]{mAccount.name, Long.toString(share.getId())};
1387         if (getContentProviderClient() != null) {
1388             try {
1389                 getContentProviderClient().delete(share_uri, where, whereArgs);
1390             } catch (RemoteException e) {
1391                 e.printStackTrace();
1392             }
1393         } else {
1394             getContentResolver().delete(share_uri, where, whereArgs);
1395         }
1396     }
1397
1398     public void saveSharesDB(ArrayList<OCShare> shares) {
1399         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1400
1401         // Reset flags & Remove shares for this files
1402         String filePath = "";
1403         for (OCShare share: shares) {
1404             if (filePath != share.getPath()){
1405                 filePath = share.getPath();
1406                 resetShareFlagInAFile(filePath);
1407                 operations = prepareRemoveSharesInFile(filePath, operations);
1408             }
1409         }
1410
1411        // Add operations to insert shares
1412        operations = prepareInsertShares(shares, operations);
1413
1414         // apply operations in batch
1415         if (operations.size() > 0) {
1416             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1417             try {
1418                 if (getContentResolver() != null) {
1419                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1420
1421                 } else {
1422                     getContentProviderClient().applyBatch(operations);
1423                 }
1424
1425             } catch (OperationApplicationException e) {
1426                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1427
1428             } catch (RemoteException e) {
1429                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1430             }
1431         }
1432
1433 //        // TODO: review if it is needed
1434 //        // Update shared files
1435 //        ArrayList<OCFile> sharedFiles = new ArrayList<OCFile>();
1436 //
1437 //        for (OCShare share : shares) {
1438 //            // Get the path
1439 //            String path = share.getPath();
1440 //            if (share.isFolder()) {
1441 //                path = path + FileUtils.PATH_SEPARATOR;
1442 //            }
1443 //
1444 //            // Update OCFile with data from share: ShareByLink, publicLink and
1445 //            OCFile file = getFileByPath(path);
1446 //            if (file != null) {
1447 //                if (share.getShareType().equals(ShareType.PUBLIC_LINK)) {
1448 //                    file.setShareViaLink(true);
1449 //                    sharedFiles.add(file);
1450 //                }
1451 //            }
1452 //        }
1453 //
1454 //        // TODO: Review
1455 //        updateSharedFiles(sharedFiles);
1456     }
1457
1458     public void removeSharesForFile(String remotePath) {
1459         resetShareFlagInAFile(remotePath);
1460         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1461         operations = prepareRemoveSharesInFile(remotePath, operations);
1462         // apply operations in batch
1463         if (operations.size() > 0) {
1464             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1465             try {
1466                 if (getContentResolver() != null) {
1467                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1468
1469                 } else {
1470                     getContentProviderClient().applyBatch(operations);
1471                 }
1472
1473             } catch (OperationApplicationException e) {
1474                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1475
1476             } catch (RemoteException e) {
1477                 Log_OC.e(TAG, "Exception in batch of operations  " + e.getMessage());
1478             }
1479         }
1480     }
1481
1482
1483     public void saveSharesInFolder(ArrayList<OCShare> shares, OCFile folder) {
1484         resetShareFlagsInFolder(folder);
1485         ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
1486         operations = prepareRemoveSharesInFolder(folder, operations);
1487
1488         if (shares != null) {
1489             // prepare operations to insert or update files to save in the given folder
1490             operations = prepareInsertShares(shares, operations);
1491         }
1492
1493         // apply operations in batch
1494         if (operations.size() > 0) {
1495             Log_OC.d(TAG, "Sending " + operations.size() + " operations to FileContentProvider");
1496             try {
1497                 if (getContentResolver() != null) {
1498                     getContentResolver().applyBatch(MainApp.getAuthority(), operations);
1499
1500                 } else {
1501                     getContentProviderClient().applyBatch(operations);
1502                 }
1503
1504             } catch (OperationApplicationException e) {
1505                 Log_OC.e(TAG, "Exception in batch of operations " + e.getMessage());
1506
1507             } catch (RemoteException e) {
1508
1509             }
1510         }
1511
1512     }
1513
1514     /**
1515      * Prepare operations to insert or update files to save in the given folder
1516      * @param shares        List of shares to insert
1517      * @param operations    List of operations
1518      * @return
1519      */
1520     private ArrayList<ContentProviderOperation> prepareInsertShares(
1521             ArrayList<OCShare> shares, ArrayList<ContentProviderOperation> operations) {
1522
1523         if (shares != null) {
1524             // prepare operations to insert or update files to save in the given folder
1525             for (OCShare share : shares) {
1526                 ContentValues cv = new ContentValues();
1527                 cv.put(ProviderTableMeta.OCSHARES_FILE_SOURCE, share.getFileSource());
1528                 cv.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE, share.getItemSource());
1529                 cv.put(ProviderTableMeta.OCSHARES_SHARE_TYPE, share.getShareType().getValue());
1530                 cv.put(ProviderTableMeta.OCSHARES_SHARE_WITH, share.getShareWith());
1531                 cv.put(ProviderTableMeta.OCSHARES_PATH, share.getPath());
1532                 cv.put(ProviderTableMeta.OCSHARES_PERMISSIONS, share.getPermissions());
1533                 cv.put(ProviderTableMeta.OCSHARES_SHARED_DATE, share.getSharedDate());
1534                 cv.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE, share.getExpirationDate());
1535                 cv.put(ProviderTableMeta.OCSHARES_TOKEN, share.getToken());
1536                 cv.put(
1537                         ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
1538                         share.getSharedWithDisplayName()
1539                 );
1540                 cv.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY, share.isFolder() ? 1 : 0);
1541                 cv.put(ProviderTableMeta.OCSHARES_USER_ID, share.getUserId());
1542                 cv.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED, share.getRemoteId());
1543                 cv.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER, mAccount.name);
1544
1545                 // adding a new share resource
1546                 operations.add(
1547                         ContentProviderOperation.newInsert(ProviderTableMeta.CONTENT_URI_SHARE).
1548                                 withValues(cv).
1549                                 build()
1550                 );
1551             }
1552         }
1553         return operations;
1554     }
1555
1556     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFolder(
1557             OCFile folder, ArrayList<ContentProviderOperation> preparedOperations) {
1558         if (folder != null) {
1559             String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND "
1560                     + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1561             String [] whereArgs = new String[]{ "", mAccount.name };
1562
1563             Vector<OCFile> files = getFolderContent(folder, false);
1564
1565             for (OCFile file : files) {
1566                 whereArgs[0] = file.getRemotePath();
1567                 preparedOperations.add(
1568                         ContentProviderOperation.newDelete(ProviderTableMeta.CONTENT_URI_SHARE).
1569                                 withSelection(where, whereArgs).
1570                                 build()
1571                 );
1572             }
1573         }
1574         return preparedOperations;
1575
1576     }
1577
1578     private ArrayList<ContentProviderOperation> prepareRemoveSharesInFile(
1579             String filePath, ArrayList<ContentProviderOperation> preparedOperations) {
1580
1581         String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND "
1582                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
1583         String[] whereArgs = new String[]{filePath, mAccount.name};
1584
1585         preparedOperations.add(
1586                 ContentProviderOperation.newDelete(ProviderTableMeta.CONTENT_URI_SHARE).
1587                         withSelection(where, whereArgs).
1588                         build()
1589         );
1590
1591         return preparedOperations;
1592
1593     }
1594
1595     public ArrayList<OCShare> getSharesWithForAFile(String filePath, String accountName){
1596         // Condition
1597         String where = ProviderTableMeta.OCSHARES_PATH + "=?" + " AND "
1598                 + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?"+ "AND"
1599                 + " (" + ProviderTableMeta.OCSHARES_SHARE_TYPE + "=? OR "
1600                 + ProviderTableMeta.OCSHARES_SHARE_TYPE +  "=? ) ";
1601         String [] whereArgs = new String[]{ filePath, accountName ,
1602                 Integer.toString(ShareType.USER.getValue()),
1603                 Integer.toString(ShareType.GROUP.getValue()) };
1604
1605         Cursor c = null;
1606         if (getContentResolver() != null) {
1607             c = getContentResolver().query(
1608                     ProviderTableMeta.CONTENT_URI_SHARE,
1609                     null, where, whereArgs, null);
1610         } else {
1611             try {
1612                 c = getContentProviderClient().query(
1613                         ProviderTableMeta.CONTENT_URI_SHARE,
1614                         null, where, whereArgs, null);
1615
1616             } catch (RemoteException e) {
1617                 Log_OC.e(TAG, "Could not get list of shares with: " + e.getMessage());
1618                 c = null;
1619             }
1620         }
1621         ArrayList<OCShare> shares = new ArrayList<OCShare>();
1622         OCShare share = null;
1623         if (c.moveToFirst()) {
1624             do {
1625                 share = createShareInstance(c);
1626                 shares.add(share);
1627                 // }
1628             } while (c.moveToNext());
1629         }
1630         c.close();
1631
1632         return shares;
1633     }
1634
1635     public static void triggerMediaScan(String path) {
1636         if (path != null) {
1637             Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
1638             intent.setData(Uri.fromFile(new File(path)));
1639             MainApp.getAppContext().sendBroadcast(intent);
1640         }
1641     }
1642
1643     public void deleteFileInMediaScan(String path) {
1644
1645         String mimetypeString = FileStorageUtils.getMimeTypeFromName(path);
1646         ContentResolver contentResolver = getContentResolver();
1647
1648         if (contentResolver != null) {
1649             if (mimetypeString.startsWith("image/")) {
1650                 // Images
1651                 contentResolver.delete(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
1652                         MediaStore.Images.Media.DATA + "=?", new String[]{path});
1653             } else if (mimetypeString.startsWith("audio/")) {
1654                 // Audio
1655                 contentResolver.delete(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
1656                         MediaStore.Audio.Media.DATA + "=?", new String[]{path});
1657             } else if (mimetypeString.startsWith("video/")) {
1658                 // Video
1659                 contentResolver.delete(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
1660                         MediaStore.Video.Media.DATA + "=?", new String[]{path});
1661             }
1662         } else {
1663             ContentProviderClient contentProviderClient = getContentProviderClient();
1664             try {
1665                 if (mimetypeString.startsWith("image/")) {
1666                     // Images
1667                     contentProviderClient.delete(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
1668                             MediaStore.Images.Media.DATA + "=?", new String[]{path});
1669                 } else if (mimetypeString.startsWith("audio/")) {
1670                     // Audio
1671                     contentProviderClient.delete(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
1672                             MediaStore.Audio.Media.DATA + "=?", new String[]{path});
1673                 } else if (mimetypeString.startsWith("video/")) {
1674                     // Video
1675                     contentProviderClient.delete(MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
1676                             MediaStore.Video.Media.DATA + "=?", new String[]{path});
1677                 }
1678             } catch (RemoteException e) {
1679                 Log_OC.e(TAG, "Exception deleting media file in MediaStore " + e.getMessage());
1680             }
1681         }
1682
1683     }
1684
1685     public void saveConflict(OCFile file, String etagInConflict) {
1686         if (!file.isDown()) {
1687             etagInConflict = null;
1688         }
1689         ContentValues cv = new ContentValues();
1690         cv.put(ProviderTableMeta.FILE_ETAG_IN_CONFLICT, etagInConflict);
1691         int updated = 0;
1692         if (getContentResolver() != null) {
1693             updated = getContentResolver().update(
1694                     ProviderTableMeta.CONTENT_URI_FILE,
1695                     cv,
1696                     ProviderTableMeta._ID + "=?",
1697                     new String[] { String.valueOf(file.getFileId())}
1698             );
1699         } else {
1700             try {
1701                 updated = getContentProviderClient().update(
1702                         ProviderTableMeta.CONTENT_URI_FILE,
1703                         cv,
1704                         ProviderTableMeta._ID + "=?",
1705                         new String[]{String.valueOf(file.getFileId())}
1706                 );
1707             } catch (RemoteException e) {
1708                 Log_OC.e(TAG, "Failed saving conflict in database " + e.getMessage());
1709             }
1710         }
1711
1712         Log_OC.d(TAG, "Number of files updated with CONFLICT: " + updated);
1713
1714         if (updated > 0) {
1715             if (etagInConflict != null) {
1716                 /// set conflict in all ancestor folders
1717
1718                 long parentId = file.getParentId();
1719                 Set<String> ancestorIds = new HashSet<String>();
1720                 while (parentId != FileDataStorageManager.ROOT_PARENT_ID) {
1721                     ancestorIds.add(Long.toString(parentId));
1722                     parentId = getFileById(parentId).getParentId();
1723                 }
1724
1725                 if (ancestorIds.size() > 0) {
1726                     StringBuffer whereBuffer = new StringBuffer();
1727                     whereBuffer.append(ProviderTableMeta._ID).append(" IN (");
1728                     for (int i = 0; i < ancestorIds.size() - 1; i++) {
1729                         whereBuffer.append("?,");
1730                     }
1731                     whereBuffer.append("?");
1732                     whereBuffer.append(")");
1733
1734                     if (getContentResolver() != null) {
1735                         updated = getContentResolver().update(
1736                                 ProviderTableMeta.CONTENT_URI_FILE,
1737                                 cv,
1738                                 whereBuffer.toString(),
1739                                 ancestorIds.toArray(new String[]{})
1740                         );
1741                     } else {
1742                         try {
1743                             updated = getContentProviderClient().update(
1744                                     ProviderTableMeta.CONTENT_URI_FILE,
1745                                     cv,
1746                                     whereBuffer.toString(),
1747                                     ancestorIds.toArray(new String[]{})
1748                             );
1749                         } catch (RemoteException e) {
1750                             Log_OC.e(TAG, "Failed saving conflict in database " + e.getMessage());
1751                         }
1752                     }
1753                 } // else file is ROOT folder, no parent to set in conflict
1754
1755             } else {
1756                 /// update conflict in ancestor folders
1757                 // (not directly unset; maybe there are more conflicts below them)
1758                 String parentPath = file.getRemotePath();
1759                 if (parentPath.endsWith(OCFile.PATH_SEPARATOR)) {
1760                     parentPath = parentPath.substring(0, parentPath.length() - 1);
1761                 }
1762                 parentPath = parentPath.substring(0, parentPath.lastIndexOf(OCFile.PATH_SEPARATOR) + 1);
1763
1764                 Log_OC.d(TAG, "checking parents to remove conflict; STARTING with " + parentPath);
1765                 while (parentPath.length() > 0) {
1766
1767                     String where =
1768                             ProviderTableMeta.FILE_ETAG_IN_CONFLICT + " IS NOT NULL AND " +
1769                                     ProviderTableMeta.FILE_CONTENT_TYPE + " != 'DIR' AND " +
1770                                     ProviderTableMeta.FILE_ACCOUNT_OWNER + " = ? AND " +
1771                                     ProviderTableMeta.FILE_PATH + " LIKE ?";
1772                     Cursor descendentsInConflict = getContentResolver().query(
1773                             ProviderTableMeta.CONTENT_URI_FILE,
1774                             new String[]{ProviderTableMeta._ID},
1775                             where,
1776                             new String[]{mAccount.name, parentPath + "%"},
1777                             null
1778                     );
1779                     if (descendentsInConflict == null || descendentsInConflict.getCount() == 0) {
1780                         Log_OC.d(TAG, "NO MORE conflicts in " + parentPath);
1781                         if (getContentResolver() != null) {
1782                             updated = getContentResolver().update(
1783                                     ProviderTableMeta.CONTENT_URI_FILE,
1784                                     cv,
1785                                     ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1786                                             ProviderTableMeta.FILE_PATH + "=?",
1787                                     new String[]{mAccount.name, parentPath}
1788                             );
1789                         } else {
1790                             try {
1791                                 updated = getContentProviderClient().update(
1792                                         ProviderTableMeta.CONTENT_URI_FILE,
1793                                         cv,
1794                                         ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
1795                                                 ProviderTableMeta.FILE_PATH + "=?"
1796                                         , new String[]{mAccount.name, parentPath}
1797                                 );
1798                             } catch (RemoteException e) {
1799                                 Log_OC.e(TAG, "Failed saving conflict in database " + e.getMessage());
1800                             }
1801                         }
1802
1803                     } else {
1804                         Log_OC.d(TAG, "STILL " + descendentsInConflict.getCount() + " in " + parentPath);
1805                     }
1806
1807                     if (descendentsInConflict != null) {
1808                         descendentsInConflict.close();
1809                     }
1810
1811                     parentPath = parentPath.substring(0, parentPath.length() - 1);  // trim last /
1812                     parentPath = parentPath.substring(0, parentPath.lastIndexOf(OCFile.PATH_SEPARATOR) + 1);
1813                     Log_OC.d(TAG, "checking parents to remove conflict; NEXT " + parentPath);
1814                 }
1815             }
1816         }
1817
1818     }
1819
1820     public OCCapability saveCapabilities(OCCapability capability){
1821
1822         // Prepare capabilities data
1823         ContentValues cv = new ContentValues();
1824         cv.put(ProviderTableMeta.CAPABILITIES_ACCOUNT_NAME, mAccount.name);
1825         cv.put(ProviderTableMeta.CAPABILITIES_VERSION_MAYOR, capability.getVersionMayor());
1826         cv.put(ProviderTableMeta.CAPABILITIES_VERSION_MINOR, capability.getVersionMinor());
1827         cv.put(ProviderTableMeta.CAPABILITIES_VERSION_MICRO, capability.getVersionMicro());
1828         cv.put(ProviderTableMeta.CAPABILITIES_VERSION_STRING, capability.getVersionString());
1829         cv.put(ProviderTableMeta.CAPABILITIES_VERSION_EDITION, capability.getVersionEdition());
1830         cv.put(ProviderTableMeta.CAPABILITIES_CORE_POLLINTERVAL, capability.getCorePollinterval());
1831         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_API_ENABLED, capability.getFilesSharingApiEnabled().getValue());
1832         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_ENABLED,
1833                 capability.getFilesSharingPublicEnabled().getValue());
1834         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_PASSWORD_ENFORCED,
1835                 capability.getFilesSharingPublicPasswordEnforced().getValue());
1836         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_EXPIRE_DATE_ENABLED,
1837                 capability.getFilesSharingPublicExpireDateEnabled().getValue());
1838         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_EXPIRE_DATE_DAYS,
1839                 capability.getFilesSharingPublicExpireDateDays());
1840         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_EXPIRE_DATE_ENFORCED,
1841                 capability.getFilesSharingPublicExpireDateEnforced().getValue());
1842         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_SEND_MAIL,
1843                 capability.getFilesSharingPublicSendMail().getValue());
1844         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_UPLOAD,
1845                 capability.getFilesSharingPublicUpload().getValue());
1846         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_USER_SEND_MAIL,
1847                 capability.getFilesSharingUserSendMail().getValue());
1848         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_RESHARING, capability.getFilesSharingResharing().getValue());
1849         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_FEDERATION_OUTGOING,
1850                 capability.getFilesSharingFederationOutgoing().getValue());
1851         cv.put(ProviderTableMeta.CAPABILITIES_SHARING_FEDERATION_INCOMING,
1852                 capability.getFilesSharingFederationIncoming().getValue());
1853         cv.put(ProviderTableMeta.CAPABILITIES_FILES_BIGFILECHUNKING, capability.getFilesBigFileChuncking().getValue());
1854         cv.put(ProviderTableMeta.CAPABILITIES_FILES_UNDELETE, capability.getFilesUndelete().getValue());
1855         cv.put(ProviderTableMeta.CAPABILITIES_FILES_VERSIONING, capability.getFilesVersioning().getValue());
1856
1857         if (capabilityExists(mAccount.name)) {
1858             if (getContentResolver() != null) {
1859                 getContentResolver().update(ProviderTableMeta.CONTENT_URI_CAPABILITIES, cv,
1860                         ProviderTableMeta.CAPABILITIES_ACCOUNT_NAME + "=?",
1861                         new String[]{mAccount.name});
1862             } else {
1863                 try {
1864                     getContentProviderClient().update(ProviderTableMeta.CONTENT_URI_CAPABILITIES,
1865                             cv, ProviderTableMeta.CAPABILITIES_ACCOUNT_NAME + "=?",
1866                             new String[]{mAccount.name});
1867                 } catch (RemoteException e) {
1868                     Log_OC.e(TAG,
1869                             "Fail to insert insert file to database "
1870                                     + e.getMessage());
1871                 }
1872             }
1873         } else {
1874             Uri result_uri = null;
1875             if (getContentResolver() != null) {
1876                 result_uri = getContentResolver().insert(
1877                         ProviderTableMeta.CONTENT_URI_CAPABILITIES, cv);
1878             } else {
1879                 try {
1880                     result_uri = getContentProviderClient().insert(
1881                             ProviderTableMeta.CONTENT_URI_CAPABILITIES, cv);
1882                 } catch (RemoteException e) {
1883                     Log_OC.e(TAG,
1884                             "Fail to insert insert capability to database "
1885                                     + e.getMessage());
1886                 }
1887             }
1888             if (result_uri != null) {
1889                 long new_id = Long.parseLong(result_uri.getPathSegments()
1890                         .get(1));
1891                 capability.setId(new_id);
1892                 capability.setAccountName(mAccount.name);
1893             }
1894         }
1895
1896         return capability;
1897     }
1898
1899     private boolean capabilityExists(String accountName) {
1900         Cursor c = getCapabilityCursorForAccount(accountName);
1901         boolean exists = false;
1902         if (c != null) {
1903             exists = c.moveToFirst();
1904             c.close();
1905         }
1906         return exists;
1907     }
1908
1909     private Cursor getCapabilityCursorForAccount(String accountName){
1910         Cursor c = null;
1911         if (getContentResolver() != null) {
1912             c = getContentResolver()
1913                     .query(ProviderTableMeta.CONTENT_URI_CAPABILITIES,
1914                             null,
1915                             ProviderTableMeta.CAPABILITIES_ACCOUNT_NAME + "=? ",
1916                             new String[]{accountName}, null);
1917         } else {
1918             try {
1919                 c = getContentProviderClient().query(
1920                         ProviderTableMeta.CONTENT_URI_CAPABILITIES,
1921                         null,
1922                         ProviderTableMeta.CAPABILITIES_ACCOUNT_NAME + "=? ",
1923                         new String[]{accountName}, null);
1924             } catch (RemoteException e) {
1925                 Log_OC.e(TAG,
1926                         "Couldn't determine capability existance, assuming non existance: "
1927                                 + e.getMessage());
1928             }
1929         }
1930
1931         return c;
1932
1933     }
1934     public OCCapability getCapability(String accountName){
1935         OCCapability capability = null;
1936         Cursor c = getCapabilityCursorForAccount(accountName);
1937
1938         if (c.moveToFirst()) {
1939             capability = createCapabilityInstance(c);
1940         } else {
1941             capability = new OCCapability();    // return default with all UNKNOWN
1942         }
1943         c.close();
1944         return capability;
1945     }
1946
1947     private OCCapability createCapabilityInstance(Cursor c) {
1948         OCCapability capability = null;
1949         if (c != null) {
1950             capability = new OCCapability();
1951             capability.setId(c.getLong(c.getColumnIndex(ProviderTableMeta._ID)));
1952             capability.setAccountName(c.getString(c
1953                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_ACCOUNT_NAME)));
1954             capability.setVersionMayor(c.getInt(c
1955                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_VERSION_MAYOR)));
1956             capability.setVersionMinor(c.getInt(c
1957                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_VERSION_MINOR)));
1958             capability.setVersionMicro(c.getInt(c
1959                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_VERSION_MICRO)));
1960             capability.setVersionString(c.getString(c
1961                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_VERSION_STRING)));
1962             capability.setVersionEdition(c.getString(c
1963                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_VERSION_EDITION)));
1964             capability.setCorePollinterval(c.getInt(c
1965                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_CORE_POLLINTERVAL)));
1966             capability.setFilesSharingApiEnabled(CapabilityBooleanType.fromValue(c.getInt(c
1967                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_API_ENABLED))));
1968             capability.setFilesSharingPublicEnabled(CapabilityBooleanType.fromValue(c.getInt(c
1969                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_ENABLED))));
1970             capability.setFilesSharingPublicPasswordEnforced(CapabilityBooleanType.fromValue(c.getInt(c
1971                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_PASSWORD_ENFORCED))));
1972             capability.setFilesSharingPublicExpireDateEnabled(CapabilityBooleanType.fromValue(c.getInt(c
1973                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_EXPIRE_DATE_ENABLED))));
1974             capability.setFilesSharingPublicExpireDateDays(c.getInt(c
1975                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_EXPIRE_DATE_DAYS)));
1976             capability.setFilesSharingPublicExpireDateEnforced(CapabilityBooleanType.fromValue(c.getInt(c
1977                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_EXPIRE_DATE_ENFORCED))));
1978             capability.setFilesSharingPublicSendMail(CapabilityBooleanType.fromValue(c.getInt(c
1979                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_SEND_MAIL))));
1980             capability.setFilesSharingPublicUpload(CapabilityBooleanType.fromValue(c.getInt(c
1981                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_PUBLIC_UPLOAD))));
1982             capability.setFilesSharingUserSendMail(CapabilityBooleanType.fromValue(c.getInt(c
1983                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_USER_SEND_MAIL))));
1984             capability.setFilesSharingResharing(CapabilityBooleanType.fromValue(c.getInt(c
1985                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_RESHARING))));
1986             capability.setFilesSharingFederationOutgoing(CapabilityBooleanType.fromValue(c.getInt(c
1987                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_FEDERATION_OUTGOING))));
1988             capability.setFilesSharingFederationIncoming(CapabilityBooleanType.fromValue(c.getInt(c
1989                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_SHARING_FEDERATION_INCOMING))));
1990             capability.setFilesBigFileChuncking(CapabilityBooleanType.fromValue(c.getInt(c
1991                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_FILES_BIGFILECHUNKING))));
1992             capability.setFilesUndelete(CapabilityBooleanType.fromValue(c.getInt(c
1993                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_FILES_UNDELETE))));
1994             capability.setFilesVersioning(CapabilityBooleanType.fromValue(c.getInt(c
1995                     .getColumnIndex(ProviderTableMeta.CAPABILITIES_FILES_VERSIONING))));
1996
1997         }
1998         return capability;
1999     }
2000 }