Merge pull request #1048 from owncloud/shareWithYou_icon_in_fileList
[pub/Android/ownCloud.git] / src / com / owncloud / android / providers / FileContentProvider.java
index b933be4..a4e50ce 100644 (file)
@@ -1,6 +1,10 @@
-/* ownCloud Android client application
+/**
+ *   ownCloud Android client application
+ *
+ *   @author Bartek Przybylski
+ *   @author David A. Velasco
  *   Copyright (C) 2011  Bartek Przybylski
  *   Copyright (C) 2011  Bartek Przybylski
- *   Copyright (C) 2012-2013 ownCloud Inc.
+ *   Copyright (C) 2015 ownCloud Inc.
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License version 2,
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License version 2,
 
 package com.owncloud.android.providers;
 
 
 package com.owncloud.android.providers;
 
+import java.io.File;
+import java.security.Provider;
+import java.util.ArrayList;
 import java.util.HashMap;
 
 import java.util.HashMap;
 
-import com.owncloud.android.Log_OC;
+import com.owncloud.android.MainApp;
 import com.owncloud.android.R;
 import com.owncloud.android.R;
+import com.owncloud.android.datamodel.OCFile;
 import com.owncloud.android.db.ProviderMeta;
 import com.owncloud.android.db.ProviderMeta.ProviderTableMeta;
 import com.owncloud.android.db.ProviderMeta;
 import com.owncloud.android.db.ProviderMeta.ProviderTableMeta;
+import com.owncloud.android.lib.common.accounts.AccountUtils;
+import com.owncloud.android.lib.common.utils.Log_OC;
+import com.owncloud.android.lib.resources.shares.ShareType;
+import com.owncloud.android.utils.FileStorageUtils;
 
 
-
+import android.accounts.Account;
+import android.accounts.AccountManager;
 import android.content.ContentProvider;
 import android.content.ContentProvider;
+import android.content.ContentProviderOperation;
+import android.content.ContentProviderResult;
 import android.content.ContentUris;
 import android.content.ContentValues;
 import android.content.Context;
 import android.content.ContentUris;
 import android.content.ContentValues;
 import android.content.Context;
+import android.content.OperationApplicationException;
 import android.content.UriMatcher;
 import android.database.Cursor;
 import android.database.SQLException;
 import android.content.UriMatcher;
 import android.database.Cursor;
 import android.database.SQLException;
@@ -41,80 +57,207 @@ import android.text.TextUtils;
 
 /**
  * The ContentProvider for the ownCloud App.
 
 /**
  * The ContentProvider for the ownCloud App.
- * 
- * @author Bartek Przybylski
- * 
  */
 public class FileContentProvider extends ContentProvider {
 
     private DataBaseHelper mDbHelper;
 
  */
 public class FileContentProvider extends ContentProvider {
 
     private DataBaseHelper mDbHelper;
 
-    private static HashMap<String, String> mProjectionMap;
+    // Projection for filelist table
+    private static HashMap<String, String> mFileProjectionMap;
     static {
     static {
-        mProjectionMap = new HashMap<String, String>();
-        mProjectionMap.put(ProviderTableMeta._ID, ProviderTableMeta._ID);
-        mProjectionMap.put(ProviderTableMeta.FILE_PARENT,
+        mFileProjectionMap = new HashMap<String, String>();
+        mFileProjectionMap.put(ProviderTableMeta._ID, ProviderTableMeta._ID);
+        mFileProjectionMap.put(ProviderTableMeta.FILE_PARENT,
                 ProviderTableMeta.FILE_PARENT);
                 ProviderTableMeta.FILE_PARENT);
-        mProjectionMap.put(ProviderTableMeta.FILE_PATH,
+        mFileProjectionMap.put(ProviderTableMeta.FILE_PATH,
                 ProviderTableMeta.FILE_PATH);
                 ProviderTableMeta.FILE_PATH);
-        mProjectionMap.put(ProviderTableMeta.FILE_NAME,
+        mFileProjectionMap.put(ProviderTableMeta.FILE_NAME,
                 ProviderTableMeta.FILE_NAME);
                 ProviderTableMeta.FILE_NAME);
-        mProjectionMap.put(ProviderTableMeta.FILE_CREATION,
+        mFileProjectionMap.put(ProviderTableMeta.FILE_CREATION,
                 ProviderTableMeta.FILE_CREATION);
                 ProviderTableMeta.FILE_CREATION);
-        mProjectionMap.put(ProviderTableMeta.FILE_MODIFIED,
+        mFileProjectionMap.put(ProviderTableMeta.FILE_MODIFIED,
                 ProviderTableMeta.FILE_MODIFIED);
                 ProviderTableMeta.FILE_MODIFIED);
-        mProjectionMap.put(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
+        mFileProjectionMap.put(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
                 ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA);
                 ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA);
-        mProjectionMap.put(ProviderTableMeta.FILE_CONTENT_LENGTH,
+        mFileProjectionMap.put(ProviderTableMeta.FILE_CONTENT_LENGTH,
                 ProviderTableMeta.FILE_CONTENT_LENGTH);
                 ProviderTableMeta.FILE_CONTENT_LENGTH);
-        mProjectionMap.put(ProviderTableMeta.FILE_CONTENT_TYPE,
+        mFileProjectionMap.put(ProviderTableMeta.FILE_CONTENT_TYPE,
                 ProviderTableMeta.FILE_CONTENT_TYPE);
                 ProviderTableMeta.FILE_CONTENT_TYPE);
-        mProjectionMap.put(ProviderTableMeta.FILE_STORAGE_PATH,
+        mFileProjectionMap.put(ProviderTableMeta.FILE_STORAGE_PATH,
                 ProviderTableMeta.FILE_STORAGE_PATH);
                 ProviderTableMeta.FILE_STORAGE_PATH);
-        mProjectionMap.put(ProviderTableMeta.FILE_LAST_SYNC_DATE,
+        mFileProjectionMap.put(ProviderTableMeta.FILE_LAST_SYNC_DATE,
                 ProviderTableMeta.FILE_LAST_SYNC_DATE);
                 ProviderTableMeta.FILE_LAST_SYNC_DATE);
-        mProjectionMap.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA,
+        mFileProjectionMap.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA,
                 ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA);
                 ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA);
-        mProjectionMap.put(ProviderTableMeta.FILE_KEEP_IN_SYNC,
+        mFileProjectionMap.put(ProviderTableMeta.FILE_KEEP_IN_SYNC,
                 ProviderTableMeta.FILE_KEEP_IN_SYNC);
                 ProviderTableMeta.FILE_KEEP_IN_SYNC);
-        mProjectionMap.put(ProviderTableMeta.FILE_ACCOUNT_OWNER,
+        mFileProjectionMap.put(ProviderTableMeta.FILE_ACCOUNT_OWNER,
                 ProviderTableMeta.FILE_ACCOUNT_OWNER);
                 ProviderTableMeta.FILE_ACCOUNT_OWNER);
+        mFileProjectionMap.put(ProviderTableMeta.FILE_ETAG,
+                ProviderTableMeta.FILE_ETAG);
+        mFileProjectionMap.put(ProviderTableMeta.FILE_SHARE_BY_LINK,
+                ProviderTableMeta.FILE_SHARE_BY_LINK);
+        mFileProjectionMap.put(ProviderTableMeta.FILE_PUBLIC_LINK,
+                ProviderTableMeta.FILE_PUBLIC_LINK);
+        mFileProjectionMap.put(ProviderTableMeta.FILE_PERMISSIONS,
+                ProviderTableMeta.FILE_PERMISSIONS);
+        mFileProjectionMap.put(ProviderTableMeta.FILE_REMOTE_ID,
+                ProviderTableMeta.FILE_REMOTE_ID);
+        mFileProjectionMap.put(ProviderTableMeta.FILE_UPDATE_THUMBNAIL,
+                ProviderTableMeta.FILE_UPDATE_THUMBNAIL);
+        mFileProjectionMap.put(ProviderTableMeta.FILE_IS_DOWNLOADING,
+                ProviderTableMeta.FILE_IS_DOWNLOADING);
     }
 
     private static final int SINGLE_FILE = 1;
     private static final int DIRECTORY = 2;
     private static final int ROOT_DIRECTORY = 3;
     }
 
     private static final int SINGLE_FILE = 1;
     private static final int DIRECTORY = 2;
     private static final int ROOT_DIRECTORY = 3;
-    
+    private static final int SHARES = 4;
+
+    private static final String TAG = FileContentProvider.class.getSimpleName();
+
+    // Projection for ocshares table
+    private static HashMap<String, String> mOCSharesProjectionMap;
+    static {
+        mOCSharesProjectionMap = new HashMap<String, String>();
+        mOCSharesProjectionMap.put(ProviderTableMeta._ID, ProviderTableMeta._ID);
+        mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_FILE_SOURCE,
+                ProviderTableMeta.OCSHARES_FILE_SOURCE);
+        mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE,
+                ProviderTableMeta.OCSHARES_ITEM_SOURCE);
+        mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_SHARE_TYPE,
+                ProviderTableMeta.OCSHARES_SHARE_TYPE);
+        mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_SHARE_WITH,
+                ProviderTableMeta.OCSHARES_SHARE_WITH);
+        mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_PATH,
+                ProviderTableMeta.OCSHARES_PATH);
+        mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_PERMISSIONS,
+                ProviderTableMeta.OCSHARES_PERMISSIONS);
+        mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_SHARED_DATE,
+                ProviderTableMeta.OCSHARES_SHARED_DATE);
+        mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE,
+                ProviderTableMeta.OCSHARES_EXPIRATION_DATE);
+        mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_TOKEN,
+                ProviderTableMeta.OCSHARES_TOKEN);
+        mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
+                ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME);
+        mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY,
+                ProviderTableMeta.OCSHARES_IS_DIRECTORY);
+        mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_USER_ID,
+                ProviderTableMeta.OCSHARES_USER_ID);
+        mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED,
+                ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED);
+        mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER,
+                ProviderTableMeta.OCSHARES_ACCOUNT_OWNER);
+    }
+
     private UriMatcher mUriMatcher;
     private UriMatcher mUriMatcher;
-//    static {
-//        mUriMatcher = new UriMatcher(UriMatcher.NO_MATCH);
-//        mUriMatcher.addURI(ProviderMeta.AUTHORITY_FILES, null, ROOT_DIRECTORY);
-//        mUriMatcher.addURI(ProviderMeta.AUTHORITY_FILES, "file/", SINGLE_FILE);
-//        mUriMatcher.addURI(ProviderMeta.AUTHORITY_FILES, "file/#", SINGLE_FILE);
-//        mUriMatcher.addURI(ProviderMeta.AUTHORITY_FILES, "dir/#", DIRECTORY);
-//    }
-
-    
+
     @Override
     public int delete(Uri uri, String where, String[] whereArgs) {
     @Override
     public int delete(Uri uri, String where, String[] whereArgs) {
+        //Log_OC.d(TAG, "Deleting " + uri + " at provider " + this);
+        int count = 0;
         SQLiteDatabase db = mDbHelper.getWritableDatabase();
         SQLiteDatabase db = mDbHelper.getWritableDatabase();
+        db.beginTransaction();
+        try {
+            count = delete(db, uri, where, whereArgs);
+            db.setTransactionSuccessful();
+        } finally {
+            db.endTransaction();
+        }
+        getContext().getContentResolver().notifyChange(uri, null);
+        return count;
+    }
+
+    private int delete(SQLiteDatabase db, Uri uri, String where, String[] whereArgs) {
         int count = 0;
         switch (mUriMatcher.match(uri)) {
         case SINGLE_FILE:
         int count = 0;
         switch (mUriMatcher.match(uri)) {
         case SINGLE_FILE:
-            count = db.delete(ProviderTableMeta.DB_NAME,
+            Cursor c = query(db, uri, null, where, whereArgs, null);
+            String remoteId = "";
+            if (c != null && c.moveToFirst()) {
+                remoteId = c.getString(c.getColumnIndex(ProviderTableMeta.FILE_REMOTE_ID));
+                //ThumbnailsCacheManager.removeFileFromCache(remoteId);
+            }
+            Log_OC.d(TAG, "Removing FILE " + remoteId);
+
+            count = db.delete(ProviderTableMeta.FILE_TABLE_NAME,
                     ProviderTableMeta._ID
                             + "="
                             + uri.getPathSegments().get(1)
                             + (!TextUtils.isEmpty(where) ? " AND (" + where
                                     + ")" : ""), whereArgs);
                     ProviderTableMeta._ID
                             + "="
                             + uri.getPathSegments().get(1)
                             + (!TextUtils.isEmpty(where) ? " AND (" + where
                                     + ")" : ""), whereArgs);
+            /* just for log
+            if (c!=null) {
+                c.close();
+            }
+            */
+            break;
+        case DIRECTORY:
+            // deletion of folder is recursive
+            /*
+            Uri folderUri = ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_FILE, Long.parseLong(uri.getPathSegments().get(1)));
+            Cursor folder = query(db, folderUri, null, null, null, null);
+            String folderName = "(unknown)";
+            if (folder != null && folder.moveToFirst()) {
+                folderName = folder.getString(folder.getColumnIndex(ProviderTableMeta.FILE_PATH));
+            }
+            */
+            Cursor children = query(uri, null, null, null, null);
+            if (children != null && children.moveToFirst())  {
+                long childId;
+                boolean isDir;
+                while (!children.isAfterLast()) {
+                    childId = children.getLong(children.getColumnIndex(ProviderTableMeta._ID));
+                    isDir = "DIR".equals(children.getString(
+                            children.getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE)
+                    ));
+                    //remotePath = children.getString(children.getColumnIndex(ProviderTableMeta.FILE_PATH));
+                    if (isDir) {
+                        count += delete(
+                            db,
+                            ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_DIR, childId),
+                            null,
+                            null
+                        );
+                    } else {
+                        count += delete(
+                            db,
+                            ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_FILE, childId),
+                            null,
+                            null
+                        );
+                    }
+                    children.moveToNext();
+                }
+                children.close();
+            } /*else {
+                Log_OC.d(TAG, "No child to remove in DIRECTORY " + folderName);
+            }
+            Log_OC.d(TAG, "Removing DIRECTORY " + folderName + " (or maybe not) ");
+            */
+            count += db.delete(ProviderTableMeta.FILE_TABLE_NAME,
+                    ProviderTableMeta._ID
+                    + "="
+                    + uri.getPathSegments().get(1)
+                    + (!TextUtils.isEmpty(where) ? " AND (" + where
+                            + ")" : ""), whereArgs);
+            /* Just for log
+             if (folder != null) {
+                folder.close();
+            }*/
             break;
         case ROOT_DIRECTORY:
             break;
         case ROOT_DIRECTORY:
-            count = db.delete(ProviderTableMeta.DB_NAME, where, whereArgs);
+            //Log_OC.d(TAG, "Removing ROOT!");
+            count = db.delete(ProviderTableMeta.FILE_TABLE_NAME, where, whereArgs);
+            break;
+        case SHARES:
+            count = db.delete(ProviderTableMeta.OCSHARES_TABLE_NAME, where, whereArgs);
             break;
         default:
             break;
         default:
+            //Log_OC.e(TAG, "Unknown uri " + uri);
             throw new IllegalArgumentException("Unknown uri: " + uri.toString());
         }
             throw new IllegalArgumentException("Unknown uri: " + uri.toString());
         }
-        getContext().getContentResolver().notifyChange(uri, null);
         return count;
     }
 
         return count;
     }
 
@@ -133,52 +276,178 @@ public class FileContentProvider extends ContentProvider {
 
     @Override
     public Uri insert(Uri uri, ContentValues values) {
 
     @Override
     public Uri insert(Uri uri, ContentValues values) {
-        if (mUriMatcher.match(uri) != SINGLE_FILE &&
-            mUriMatcher.match(uri) != ROOT_DIRECTORY) {
-            
-            throw new IllegalArgumentException("Unknown uri id: " + uri);
+        Uri newUri = null;
+        SQLiteDatabase db = mDbHelper.getWritableDatabase();
+        db.beginTransaction();
+        try {
+            newUri = insert(db, uri, values);
+            db.setTransactionSuccessful();
+        } finally {
+            db.endTransaction();
         }
         }
+        getContext().getContentResolver().notifyChange(newUri, null);
+        return newUri;
+    }
 
 
-        SQLiteDatabase db = mDbHelper.getWritableDatabase();
-        long rowId = db.insert(ProviderTableMeta.DB_NAME, null, values);
-        if (rowId > 0) {
-            Uri insertedFileUri = ContentUris.withAppendedId(
-                    ProviderTableMeta.CONTENT_URI_FILE, rowId);
-            getContext().getContentResolver().notifyChange(insertedFileUri,
-                    null);
-            return insertedFileUri;
+    private Uri insert(SQLiteDatabase db, Uri uri, ContentValues values) {
+        switch (mUriMatcher.match(uri)){
+        case ROOT_DIRECTORY:
+        case SINGLE_FILE:
+            String remotePath = values.getAsString(ProviderTableMeta.FILE_PATH);
+            String accountName = values.getAsString(ProviderTableMeta.FILE_ACCOUNT_OWNER);
+            String[] projection = new String[] {
+                    ProviderTableMeta._ID, ProviderTableMeta.FILE_PATH,
+                    ProviderTableMeta.FILE_ACCOUNT_OWNER
+            };
+            String where = ProviderTableMeta.FILE_PATH + "=? AND " +
+                    ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?";
+            String[] whereArgs = new String[] {remotePath, accountName};
+            Cursor doubleCheck = query(db, uri, projection, where, whereArgs, null);
+            // ugly patch; serious refactorization is needed to reduce work in
+            // FileDataStorageManager and bring it to FileContentProvider
+            if (doubleCheck == null || !doubleCheck.moveToFirst()) {
+                long rowId = db.insert(ProviderTableMeta.FILE_TABLE_NAME, null, values);
+                if (rowId > 0) {
+                    Uri insertedFileUri =
+                            ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_FILE, rowId);
+                    return insertedFileUri;
+                } else {
+                    throw new SQLException("ERROR " + uri);
+                }
+            } else {
+                // file is already inserted; race condition, let's avoid a duplicated entry
+                Uri insertedFileUri = ContentUris.withAppendedId(
+                        ProviderTableMeta.CONTENT_URI_FILE,
+                        doubleCheck.getLong(doubleCheck.getColumnIndex(ProviderTableMeta._ID))
+                );
+                doubleCheck.close();
+
+                return insertedFileUri;
+            }
+
+        case SHARES:
+            String path = values.getAsString(ProviderTableMeta.OCSHARES_PATH);
+            String accountNameShare= values.getAsString(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER);
+            String[] projectionShare = new String[] {
+                    ProviderTableMeta._ID, ProviderTableMeta.OCSHARES_PATH,
+                    ProviderTableMeta.OCSHARES_ACCOUNT_OWNER
+            };
+            String whereShare = ProviderTableMeta.OCSHARES_PATH + "=? AND " +
+                    ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + "=?";
+            String[] whereArgsShare = new String[] {path, accountNameShare};
+            Uri insertedShareUri = null;
+            Cursor doubleCheckShare =
+                    query(db, uri, projectionShare, whereShare, whereArgsShare, null);
+            // ugly patch; serious refactorization is needed to reduce work in
+            // FileDataStorageManager and bring it to FileContentProvider
+            if (doubleCheckShare == null || !doubleCheckShare.moveToFirst()) {
+                long rowId = db.insert(ProviderTableMeta.OCSHARES_TABLE_NAME, null, values);
+                if (rowId >0) {
+                    insertedShareUri =
+                            ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_SHARE, rowId);
+                } else {
+                    throw new SQLException("ERROR " + uri);
+
+                }
+            } else {
+                // file is already inserted; race condition, let's avoid a duplicated entry
+                insertedShareUri = ContentUris.withAppendedId(
+                        ProviderTableMeta.CONTENT_URI_SHARE,
+                        doubleCheckShare.getLong(
+                                doubleCheckShare.getColumnIndex(ProviderTableMeta._ID)
+                        )
+                );
+                doubleCheckShare.close();
+            }
+            updateFilesTableAccordingToShareInsertion(db, uri, values);
+            return insertedShareUri;
+
+
+        default:
+            throw new IllegalArgumentException("Unknown uri id: " + uri);
         }
         }
-        throw new SQLException("ERROR " + uri);
+
+    }
+
+    private void updateFilesTableAccordingToShareInsertion(
+            SQLiteDatabase db, Uri uri, ContentValues shareValues
+            ) {
+        ContentValues fileValues = new ContentValues();
+        fileValues.put(
+                ProviderTableMeta.FILE_SHARE_BY_LINK,
+                ShareType.PUBLIC_LINK.getValue() ==
+                        shareValues.getAsInteger(ProviderTableMeta.OCSHARES_SHARE_TYPE) ? 1 : 0
+        );
+        String whereShare = ProviderTableMeta.FILE_PATH + "=? AND " +
+                ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?";
+        String[] whereArgsShare = new String[] {
+                shareValues.getAsString(ProviderTableMeta.OCSHARES_PATH),
+                shareValues.getAsString(ProviderTableMeta.OCSHARES_ACCOUNT_OWNER)
+        };
+        db.update(ProviderTableMeta.FILE_TABLE_NAME, fileValues, whereShare, whereArgsShare);
     }
 
     }
 
+
     @Override
     public boolean onCreate() {
         mDbHelper = new DataBaseHelper(getContext());
     @Override
     public boolean onCreate() {
         mDbHelper = new DataBaseHelper(getContext());
-        
+
         String authority = getContext().getResources().getString(R.string.authority);
         mUriMatcher = new UriMatcher(UriMatcher.NO_MATCH);
         mUriMatcher.addURI(authority, null, ROOT_DIRECTORY);
         mUriMatcher.addURI(authority, "file/", SINGLE_FILE);
         mUriMatcher.addURI(authority, "file/#", SINGLE_FILE);
         String authority = getContext().getResources().getString(R.string.authority);
         mUriMatcher = new UriMatcher(UriMatcher.NO_MATCH);
         mUriMatcher.addURI(authority, null, ROOT_DIRECTORY);
         mUriMatcher.addURI(authority, "file/", SINGLE_FILE);
         mUriMatcher.addURI(authority, "file/#", SINGLE_FILE);
+        mUriMatcher.addURI(authority, "dir/", DIRECTORY);
         mUriMatcher.addURI(authority, "dir/#", DIRECTORY);
         mUriMatcher.addURI(authority, "dir/#", DIRECTORY);
-        
+        mUriMatcher.addURI(authority, "shares/", SHARES);
+        mUriMatcher.addURI(authority, "shares/#", SHARES);
+
         return true;
     }
 
         return true;
     }
 
+
     @Override
     @Override
-    public Cursor query(Uri uri, String[] projection, String selection,
-            String[] selectionArgs, String sortOrder) {
+    public Cursor query(
+            Uri uri,
+            String[] projection,
+            String selection,
+            String[] selectionArgs,
+            String sortOrder
+        ) {
+
+        Cursor result = null;
+        SQLiteDatabase db = mDbHelper.getReadableDatabase();
+        db.beginTransaction();
+        try {
+            result = query(db, uri, projection, selection, selectionArgs, sortOrder);
+            db.setTransactionSuccessful();
+        } finally {
+            db.endTransaction();
+        }
+        return result;
+    }
+
+    private Cursor query(
+            SQLiteDatabase db,
+            Uri uri,
+            String[] projection,
+            String selection,
+            String[] selectionArgs,
+            String sortOrder
+        ) {
+
         SQLiteQueryBuilder sqlQuery = new SQLiteQueryBuilder();
 
         SQLiteQueryBuilder sqlQuery = new SQLiteQueryBuilder();
 
-        sqlQuery.setTables(ProviderTableMeta.DB_NAME);
-        sqlQuery.setProjectionMap(mProjectionMap);
+        sqlQuery.setTables(ProviderTableMeta.FILE_TABLE_NAME);
+        sqlQuery.setProjectionMap(mFileProjectionMap);
 
         switch (mUriMatcher.match(uri)) {
         case ROOT_DIRECTORY:
             break;
         case DIRECTORY:
 
         switch (mUriMatcher.match(uri)) {
         case ROOT_DIRECTORY:
             break;
         case DIRECTORY:
+            String folderId = uri.getPathSegments().get(1);
             sqlQuery.appendWhere(ProviderTableMeta.FILE_PARENT + "="
             sqlQuery.appendWhere(ProviderTableMeta.FILE_PARENT + "="
-                    + uri.getPathSegments().get(1));
+                    + folderId);
             break;
         case SINGLE_FILE:
             if (uri.getPathSegments().size() > 1) {
             break;
         case SINGLE_FILE:
             if (uri.getPathSegments().size() > 1) {
@@ -186,35 +455,153 @@ public class FileContentProvider extends ContentProvider {
                         + uri.getPathSegments().get(1));
             }
             break;
                         + uri.getPathSegments().get(1));
             }
             break;
+        case SHARES:
+            sqlQuery.setTables(ProviderTableMeta.OCSHARES_TABLE_NAME);
+            sqlQuery.setProjectionMap(mOCSharesProjectionMap);
+            if (uri.getPathSegments().size() > 1) {
+                sqlQuery.appendWhere(ProviderTableMeta._ID + "="
+                        + uri.getPathSegments().get(1));
+            }
+            break;
         default:
             throw new IllegalArgumentException("Unknown uri id: " + uri);
         }
 
         String order;
         if (TextUtils.isEmpty(sortOrder)) {
         default:
             throw new IllegalArgumentException("Unknown uri id: " + uri);
         }
 
         String order;
         if (TextUtils.isEmpty(sortOrder)) {
-            order = ProviderTableMeta.DEFAULT_SORT_ORDER;
+            if (mUriMatcher.match(uri) == SHARES) {
+                order = ProviderTableMeta.OCSHARES_DEFAULT_SORT_ORDER;
+            } else {
+
+                order = ProviderTableMeta.FILE_DEFAULT_SORT_ORDER;
+            }
         } else {
             order = sortOrder;
         }
 
         } else {
             order = sortOrder;
         }
 
-        SQLiteDatabase db = mDbHelper.getReadableDatabase();
         // DB case_sensitive
         db.execSQL("PRAGMA case_sensitive_like = true");
         // DB case_sensitive
         db.execSQL("PRAGMA case_sensitive_like = true");
-        Cursor c = sqlQuery.query(db, projection, selection, selectionArgs,
-                null, null, order);
-
+        Cursor c = sqlQuery.query(db, projection, selection, selectionArgs, null, null, order);
         c.setNotificationUri(getContext().getContentResolver(), uri);
         c.setNotificationUri(getContext().getContentResolver(), uri);
-
         return c;
     }
 
     @Override
         return c;
     }
 
     @Override
-    public int update(Uri uri, ContentValues values, String selection,
-            String[] selectionArgs) {
-        return mDbHelper.getWritableDatabase().update(
-                ProviderTableMeta.DB_NAME, values, selection, selectionArgs);
+    public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
+
+        int count = 0;
+        SQLiteDatabase db = mDbHelper.getWritableDatabase();
+        db.beginTransaction();
+        try {
+            count = update(db, uri, values, selection, selectionArgs);
+            db.setTransactionSuccessful();
+        } finally {
+            db.endTransaction();
+        }
+        getContext().getContentResolver().notifyChange(uri, null);
+        return count;
+    }
+
+
+
+    private int update(
+            SQLiteDatabase db,
+            Uri uri,
+            ContentValues values,
+            String selection,
+            String[] selectionArgs
+        ) {
+        switch (mUriMatcher.match(uri)) {
+            case DIRECTORY:
+                return  0; //updateFolderSize(db, selectionArgs[0]);
+            case SHARES:
+                return db.update(
+                        ProviderTableMeta.OCSHARES_TABLE_NAME, values, selection, selectionArgs
+                );
+            default:
+                return db.update(
+                        ProviderTableMeta.FILE_TABLE_NAME, values, selection, selectionArgs
+                );
+        }
+    }
+
+ /*
+    private int updateFolderSize(SQLiteDatabase db, String folderId) {
+        int count = 0;
+        String [] whereArgs = new String[] { folderId };
+
+        // read current size saved for the folder
+        long folderSize = 0;
+        long folderParentId = -1;
+        Uri selectFolderUri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE, folderId);
+        String[] folderProjection = new String[] { ProviderTableMeta.FILE_CONTENT_LENGTH,  ProviderTableMeta.FILE_PARENT};
+        String folderWhere = ProviderTableMeta._ID + "=?";
+        Cursor folderCursor = query(db, selectFolderUri, folderProjection, folderWhere, whereArgs, null);
+        if (folderCursor != null && folderCursor.moveToFirst()) {
+            folderSize = folderCursor.getLong(folderCursor.getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH));;
+            folderParentId = folderCursor.getLong(folderCursor.getColumnIndex(ProviderTableMeta.FILE_PARENT));;
+        }
+        folderCursor.close();
+
+        // read and sum sizes of children
+        long childrenSize = 0;
+        Uri selectChildrenUri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, folderId);
+        String[] childrenProjection = new String[] { ProviderTableMeta.FILE_CONTENT_LENGTH,  ProviderTableMeta.FILE_PARENT};
+        String childrenWhere = ProviderTableMeta.FILE_PARENT + "=?";
+        Cursor childrenCursor = query(db, selectChildrenUri, childrenProjection, childrenWhere, whereArgs, null);
+        if (childrenCursor != null && childrenCursor.moveToFirst()) {
+            while (!childrenCursor.isAfterLast()) {
+                childrenSize += childrenCursor.getLong(childrenCursor.getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH));
+                childrenCursor.moveToNext();
+            }
+        }
+        childrenCursor.close();
+
+        // update if needed
+        if (folderSize != childrenSize) {
+            Log_OC.d("FileContentProvider", "Updating " + folderSize + " to " + childrenSize);
+            ContentValues cv = new ContentValues();
+            cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, childrenSize);
+            count = db.update(ProviderTableMeta.FILE_TABLE_NAME, cv, folderWhere, whereArgs);
+
+            // propagate update until root
+            if (folderParentId > FileDataStorageManager.ROOT_PARENT_ID) {
+                Log_OC.d("FileContentProvider", "Propagating update to " + folderParentId);
+                updateFolderSize(db, String.valueOf(folderParentId));
+            } else {
+                Log_OC.d("FileContentProvider", "NOT propagating to " + folderParentId);
+            }
+        } else {
+            Log_OC.d("FileContentProvider", "NOT updating, sizes are " + folderSize + " and " + childrenSize);
+        }
+        return count;
+    }
+*/
+
+    @Override
+    public ContentProviderResult[] applyBatch (ArrayList<ContentProviderOperation> operations)
+            throws OperationApplicationException {
+        Log_OC.d("FileContentProvider", "applying batch in provider " + this +
+                " (temporary: " + isTemporary() + ")" );
+        ContentProviderResult[] results = new ContentProviderResult[operations.size()];
+        int i=0;
+
+        SQLiteDatabase db = mDbHelper.getWritableDatabase();
+        db.beginTransaction();  // it's supposed that transactions can be nested
+        try {
+            for (ContentProviderOperation operation : operations) {
+                results[i] = operation.apply(this, results, i);
+                i++;
+            }
+            db.setTransactionSuccessful();
+        } finally {
+            db.endTransaction();
+        }
+        Log_OC.d("FileContentProvider", "applied batch in provider " + this);
+        return results;
     }
 
     }
 
+
     class DataBaseHelper extends SQLiteOpenHelper {
 
         public DataBaseHelper(Context context) {
     class DataBaseHelper extends SQLiteOpenHelper {
 
         public DataBaseHelper(Context context) {
@@ -226,7 +613,7 @@ public class FileContentProvider extends ContentProvider {
         public void onCreate(SQLiteDatabase db) {
             // files table
             Log_OC.i("SQL", "Entering in onCreate");
         public void onCreate(SQLiteDatabase db) {
             // files table
             Log_OC.i("SQL", "Entering in onCreate");
-            db.execSQL("CREATE TABLE " + ProviderTableMeta.DB_NAME + "("
+            db.execSQL("CREATE TABLE " + ProviderTableMeta.FILE_TABLE_NAME + "("
                     + ProviderTableMeta._ID + " INTEGER PRIMARY KEY, "
                     + ProviderTableMeta.FILE_NAME + " TEXT, "
                     + ProviderTableMeta.FILE_PATH + " TEXT, "
                     + ProviderTableMeta._ID + " INTEGER PRIMARY KEY, "
                     + ProviderTableMeta.FILE_NAME + " TEXT, "
                     + ProviderTableMeta.FILE_PATH + " TEXT, "
@@ -240,17 +627,42 @@ public class FileContentProvider extends ContentProvider {
                     + ProviderTableMeta.FILE_LAST_SYNC_DATE + " INTEGER, "
                     + ProviderTableMeta.FILE_KEEP_IN_SYNC + " INTEGER, "
                     + ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA + " INTEGER, "
                     + ProviderTableMeta.FILE_LAST_SYNC_DATE + " INTEGER, "
                     + ProviderTableMeta.FILE_KEEP_IN_SYNC + " INTEGER, "
                     + ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA + " INTEGER, "
-                    + ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA + " INTEGER );"
+                    + ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA + " INTEGER, "
+                    + ProviderTableMeta.FILE_ETAG + " TEXT, "
+                    + ProviderTableMeta.FILE_SHARE_BY_LINK + " INTEGER, "
+                    + ProviderTableMeta.FILE_PUBLIC_LINK  + " TEXT, "
+                    + ProviderTableMeta.FILE_PERMISSIONS  + " TEXT null,"
+                    + ProviderTableMeta.FILE_REMOTE_ID  + " TEXT null,"
+                    + ProviderTableMeta.FILE_UPDATE_THUMBNAIL  + " INTEGER," //boolean
+                    + ProviderTableMeta.FILE_IS_DOWNLOADING  + " INTEGER);" //boolean
                     );
                     );
+
+            // Create table ocshares
+            db.execSQL("CREATE TABLE " + ProviderTableMeta.OCSHARES_TABLE_NAME + "("
+                    + ProviderTableMeta._ID + " INTEGER PRIMARY KEY, "
+                    + ProviderTableMeta.OCSHARES_FILE_SOURCE + " INTEGER, "
+                    + ProviderTableMeta.OCSHARES_ITEM_SOURCE + " INTEGER, "
+                    + ProviderTableMeta.OCSHARES_SHARE_TYPE + " INTEGER, "
+                    + ProviderTableMeta.OCSHARES_SHARE_WITH + " TEXT, "
+                    + ProviderTableMeta.OCSHARES_PATH + " TEXT, "
+                    + ProviderTableMeta.OCSHARES_PERMISSIONS+ " INTEGER, "
+                    + ProviderTableMeta.OCSHARES_SHARED_DATE + " INTEGER, "
+                    + ProviderTableMeta.OCSHARES_EXPIRATION_DATE + " INTEGER, "
+                    + ProviderTableMeta.OCSHARES_TOKEN + " TEXT, "
+                    + ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME + " TEXT, "
+                    + ProviderTableMeta.OCSHARES_IS_DIRECTORY + " INTEGER, "  // boolean
+                    + ProviderTableMeta.OCSHARES_USER_ID + " INTEGER, "
+                    + ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + " INTEGER,"
+                    + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + " TEXT );" );
         }
 
         @Override
         public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
             Log_OC.i("SQL", "Entering in onUpgrade");
         }
 
         @Override
         public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
             Log_OC.i("SQL", "Entering in onUpgrade");
-            boolean upgraded = false; 
+            boolean upgraded = false;
             if (oldVersion == 1 && newVersion >= 2) {
                 Log_OC.i("SQL", "Entering in the #1 ADD in onUpgrade");
             if (oldVersion == 1 && newVersion >= 2) {
                 Log_OC.i("SQL", "Entering in the #1 ADD in onUpgrade");
-                db.execSQL("ALTER TABLE " + ProviderTableMeta.DB_NAME +
+                db.execSQL("ALTER TABLE " + ProviderTableMeta.FILE_TABLE_NAME +
                            " ADD COLUMN " + ProviderTableMeta.FILE_KEEP_IN_SYNC  + " INTEGER " +
                            " DEFAULT 0");
                 upgraded = true;
                            " ADD COLUMN " + ProviderTableMeta.FILE_KEEP_IN_SYNC  + " INTEGER " +
                            " DEFAULT 0");
                 upgraded = true;
@@ -259,15 +671,16 @@ public class FileContentProvider extends ContentProvider {
                 Log_OC.i("SQL", "Entering in the #2 ADD in onUpgrade");
                 db.beginTransaction();
                 try {
                 Log_OC.i("SQL", "Entering in the #2 ADD in onUpgrade");
                 db.beginTransaction();
                 try {
-                    db.execSQL("ALTER TABLE " + ProviderTableMeta.DB_NAME +
-                               " ADD COLUMN " + ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA  + " INTEGER " +
-                               " DEFAULT 0");
-                    
+                    db.execSQL("ALTER TABLE " + ProviderTableMeta.FILE_TABLE_NAME +
+                               " ADD COLUMN " + ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA  +
+                               " INTEGER " + " DEFAULT 0");
+
                     // assume there are not local changes pending to upload
                     // assume there are not local changes pending to upload
-                    db.execSQL("UPDATE " + ProviderTableMeta.DB_NAME + 
-                            " SET " + ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA + " = " + System.currentTimeMillis() + 
+                    db.execSQL("UPDATE " + ProviderTableMeta.FILE_TABLE_NAME +
+                            " SET " + ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA + " = "
+                            + System.currentTimeMillis() +
                             " WHERE " + ProviderTableMeta.FILE_STORAGE_PATH + " IS NOT NULL");
                             " WHERE " + ProviderTableMeta.FILE_STORAGE_PATH + " IS NOT NULL");
-                 
+
                     upgraded = true;
                     db.setTransactionSuccessful();
                 } finally {
                     upgraded = true;
                     db.setTransactionSuccessful();
                 } finally {
@@ -278,14 +691,113 @@ public class FileContentProvider extends ContentProvider {
                 Log_OC.i("SQL", "Entering in the #3 ADD in onUpgrade");
                 db.beginTransaction();
                 try {
                 Log_OC.i("SQL", "Entering in the #3 ADD in onUpgrade");
                 db.beginTransaction();
                 try {
-                    db .execSQL("ALTER TABLE " + ProviderTableMeta.DB_NAME +
-                           " ADD COLUMN " + ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA  + " INTEGER " +
-                           " DEFAULT 0");
-                
-                    db.execSQL("UPDATE " + ProviderTableMeta.DB_NAME + 
-                           " SET " + ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA + " = " + ProviderTableMeta.FILE_MODIFIED + 
+                    db.execSQL("ALTER TABLE " + ProviderTableMeta.FILE_TABLE_NAME +
+                            " ADD COLUMN " + ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA +
+                            " INTEGER " + " DEFAULT 0");
+
+                    db.execSQL("UPDATE " + ProviderTableMeta.FILE_TABLE_NAME +
+                           " SET " + ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA + " = " +
+                            ProviderTableMeta.FILE_MODIFIED +
                            " WHERE " + ProviderTableMeta.FILE_STORAGE_PATH + " IS NOT NULL");
                            " WHERE " + ProviderTableMeta.FILE_STORAGE_PATH + " IS NOT NULL");
-                
+
+                    upgraded = true;
+                    db.setTransactionSuccessful();
+                } finally {
+                    db.endTransaction();
+                }
+            }
+            if (!upgraded)
+                Log_OC.i("SQL", "OUT of the ADD in onUpgrade; oldVersion == " + oldVersion +
+                        ", newVersion == " + newVersion);
+
+            if (oldVersion < 5 && newVersion >= 5) {
+                Log_OC.i("SQL", "Entering in the #4 ADD in onUpgrade");
+                db.beginTransaction();
+                try {
+                    db.execSQL("ALTER TABLE " + ProviderTableMeta.FILE_TABLE_NAME +
+                            " ADD COLUMN " + ProviderTableMeta.FILE_ETAG + " TEXT " +
+                            " DEFAULT NULL");
+
+                    upgraded = true;
+                    db.setTransactionSuccessful();
+                } finally {
+                    db.endTransaction();
+                }
+            }
+            if (!upgraded)
+                Log_OC.i("SQL", "OUT of the ADD in onUpgrade; oldVersion == " + oldVersion +
+                        ", newVersion == " + newVersion);
+
+            if (oldVersion < 6 && newVersion >= 6) {
+                Log_OC.i("SQL", "Entering in the #5 ADD in onUpgrade");
+                db.beginTransaction();
+                try {
+                    db .execSQL("ALTER TABLE " + ProviderTableMeta.FILE_TABLE_NAME +
+                            " ADD COLUMN " + ProviderTableMeta.FILE_SHARE_BY_LINK + " INTEGER " +
+                            " DEFAULT 0");
+
+                    db .execSQL("ALTER TABLE " + ProviderTableMeta.FILE_TABLE_NAME +
+                            " ADD COLUMN " + ProviderTableMeta.FILE_PUBLIC_LINK + " TEXT " +
+                            " DEFAULT NULL");
+
+                    // Create table ocshares
+                    db.execSQL("CREATE TABLE " + ProviderTableMeta.OCSHARES_TABLE_NAME + "("
+                            + ProviderTableMeta._ID + " INTEGER PRIMARY KEY, "
+                            + ProviderTableMeta.OCSHARES_FILE_SOURCE + " INTEGER, "
+                            + ProviderTableMeta.OCSHARES_ITEM_SOURCE + " INTEGER, "
+                            + ProviderTableMeta.OCSHARES_SHARE_TYPE + " INTEGER, "
+                            + ProviderTableMeta.OCSHARES_SHARE_WITH + " TEXT, "
+                            + ProviderTableMeta.OCSHARES_PATH + " TEXT, "
+                            + ProviderTableMeta.OCSHARES_PERMISSIONS + " INTEGER, "
+                            + ProviderTableMeta.OCSHARES_SHARED_DATE + " INTEGER, "
+                            + ProviderTableMeta.OCSHARES_EXPIRATION_DATE + " INTEGER, "
+                            + ProviderTableMeta.OCSHARES_TOKEN + " TEXT, "
+                            + ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME + " TEXT, "
+                            + ProviderTableMeta.OCSHARES_IS_DIRECTORY + " INTEGER, "  // boolean
+                            + ProviderTableMeta.OCSHARES_USER_ID + " INTEGER, "
+                            + ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + " INTEGER,"
+                            + ProviderTableMeta.OCSHARES_ACCOUNT_OWNER + " TEXT );");
+
+                    upgraded = true;
+                    db.setTransactionSuccessful();
+                } finally {
+                    db.endTransaction();
+                }
+            }
+            if (!upgraded)
+                Log_OC.i("SQL", "OUT of the ADD in onUpgrade; oldVersion == " + oldVersion +
+                        ", newVersion == " + newVersion);
+
+            if (oldVersion < 7 && newVersion >= 7) {
+                Log_OC.i("SQL", "Entering in the #7 ADD in onUpgrade");
+                db.beginTransaction();
+                try {
+                    db.execSQL("ALTER TABLE " + ProviderTableMeta.FILE_TABLE_NAME +
+                            " ADD COLUMN " + ProviderTableMeta.FILE_PERMISSIONS + " TEXT " +
+                            " DEFAULT NULL");
+
+                    db.execSQL("ALTER TABLE " + ProviderTableMeta.FILE_TABLE_NAME +
+                            " ADD COLUMN " + ProviderTableMeta.FILE_REMOTE_ID + " TEXT " +
+                            " DEFAULT NULL");
+
+                    upgraded = true;
+                    db.setTransactionSuccessful();
+                } finally {
+                    db.endTransaction();
+                }
+            }
+            if (!upgraded)
+                Log_OC.i("SQL", "OUT of the ADD in onUpgrade; oldVersion == " + oldVersion +
+                        ", newVersion == " + newVersion);
+
+            if (oldVersion < 8 && newVersion >= 8) {
+                Log_OC.i("SQL", "Entering in the #8 ADD in onUpgrade");
+                db.beginTransaction();
+                try {
+                    db.execSQL("ALTER TABLE " + ProviderTableMeta.FILE_TABLE_NAME +
+                            " ADD COLUMN " + ProviderTableMeta.FILE_UPDATE_THUMBNAIL + " INTEGER " +
+                            " DEFAULT 0");
+
                     upgraded = true;
                     db.setTransactionSuccessful();
                 } finally {
                     upgraded = true;
                     db.setTransactionSuccessful();
                 } finally {
@@ -293,7 +805,149 @@ public class FileContentProvider extends ContentProvider {
                 }
             }
             if (!upgraded)
                 }
             }
             if (!upgraded)
-                Log_OC.i("SQL", "OUT of the ADD in onUpgrade; oldVersion == " + oldVersion + ", newVersion == " + newVersion);
+                Log_OC.i("SQL", "OUT of the ADD in onUpgrade; oldVersion == " + oldVersion +
+                        ", newVersion == " + newVersion);
+
+            if (oldVersion < 9 && newVersion >= 9) {
+                Log_OC.i("SQL", "Entering in the #9 ADD in onUpgrade");
+                db.beginTransaction();
+                try {
+                    db .execSQL("ALTER TABLE " + ProviderTableMeta.FILE_TABLE_NAME +
+                            " ADD COLUMN " + ProviderTableMeta.FILE_IS_DOWNLOADING + " INTEGER " +
+                            " DEFAULT 0");
+
+                    upgraded = true;
+                    db.setTransactionSuccessful();
+                } finally {
+                    db.endTransaction();
+                }
+            }
+            if (!upgraded)
+                Log_OC.i("SQL", "OUT of the ADD in onUpgrade; oldVersion == " + oldVersion +
+                        ", newVersion == " + newVersion);
+
+            if (oldVersion < 10 && newVersion >= 10) {
+                Log_OC.i("SQL", "Entering in the #10 ADD in onUpgrade");
+                updateAccountName(db);
+                upgraded = true;
+            }
+             if (!upgraded)
+                Log_OC.i("SQL", "OUT of the ADD in onUpgrade; oldVersion == " + oldVersion +
+                        ", newVersion == " + newVersion);
+        }
+    }
+
+
+    /**
+     * Version 10 of database does not modify its scheme. It coincides with the upgrade of the ownCloud account names
+     * structure to include in it the path to the server instance. Updating the account names and path to local files
+     * in the files table is a must to keep the existing account working and the database clean.
+     *
+     * See {@link com.owncloud.android.authentication.AccountUtils#updateAccountVersion(android.content.Context)}
+     *
+     * @param db        Database where table of files is included.
+     */
+    private void updateAccountName(SQLiteDatabase db){
+        Log_OC.d("SQL", "THREAD:  "+ Thread.currentThread().getName());
+        AccountManager ama = AccountManager.get(getContext());
+        try {
+            // get accounts from AccountManager ;  we can't be sure if accounts in it are updated or not although
+            // we know the update was previously done in {link @FileActivity#onCreate} because the changes through
+            // AccountManager are not synchronous
+            Account[] accounts = AccountManager.get(getContext()).getAccountsByType(
+                    MainApp.getAccountType());
+            String serverUrl, username, oldAccountName, newAccountName;
+                       for (Account account : accounts) {
+                // build both old and new account name
+                serverUrl = ama.getUserData(account, AccountUtils.Constants.KEY_OC_BASE_URL);
+                username = account.name.substring(0, account.name.lastIndexOf('@'));
+                oldAccountName = AccountUtils.buildAccountNameOld(Uri.parse(serverUrl), username);
+                newAccountName = AccountUtils.buildAccountName(Uri.parse(serverUrl), username);
+
+                // update values in database
+                db.beginTransaction();
+                try {
+                    ContentValues cv = new ContentValues();
+                    cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, newAccountName);
+                    int num = db.update(ProviderTableMeta.FILE_TABLE_NAME,
+                            cv,
+                            ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
+                            new String[]{oldAccountName});
+
+                    Log_OC.d("SQL", "Updated account in database: old name == " + oldAccountName +
+                            ", new name == " + newAccountName + " (" + num + " rows updated )");
+
+                    // update path for downloaded files
+                    updateDownloadedFiles(db, newAccountName, oldAccountName);
+
+                    db.setTransactionSuccessful();
+
+                } catch (SQLException e) {
+                    Log_OC.e(TAG, "SQL Exception upgrading account names or paths in database", e);
+                } finally {
+                    db.endTransaction();
+                }
+                       }
+        } catch (Exception e) {
+            Log_OC.e(TAG, "Exception upgrading account names or paths in database", e);
+        }
+    }
+
+
+    /**
+     * Rename the local ownCloud folder of one account to match the a rename of the account itself. Updates the
+     * table of files in database so that the paths to the local files keep being the same.
+     *
+     * @param db                    Database where table of files is included.
+     * @param newAccountName        New name for the target OC account.
+     * @param oldAccountName        Old name of the target OC account.
+     */
+    private void updateDownloadedFiles(SQLiteDatabase db, String newAccountName,
+                                       String oldAccountName) {
+
+        String whereClause = ProviderTableMeta.FILE_ACCOUNT_OWNER + "=? AND " +
+                ProviderTableMeta.FILE_STORAGE_PATH + " IS NOT NULL";
+
+        Cursor c = db.query(ProviderTableMeta.FILE_TABLE_NAME,
+                null,
+                whereClause,
+                new String[] { newAccountName },
+                null, null, null);
+
+        try {
+            if (c.moveToFirst()) {
+                // create storage path
+                String oldAccountPath = FileStorageUtils.getSavePath(oldAccountName);
+                String newAccountPath = FileStorageUtils.getSavePath(newAccountName);
+
+                // move files
+                File oldAccountFolder = new File(oldAccountPath);
+                File newAccountFolder = new File(newAccountPath);
+                oldAccountFolder.renameTo(newAccountFolder);
+
+                // update database
+                do {
+                    // Update database
+                    String oldPath = c.getString(
+                            c.getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH));
+                    OCFile file = new OCFile(
+                            c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PATH)));
+                    String newPath = FileStorageUtils.getDefaultSavePathFor(newAccountName, file);
+
+                    ContentValues cv = new ContentValues();
+                    cv.put(ProviderTableMeta.FILE_STORAGE_PATH, newPath);
+                    db.update(ProviderTableMeta.FILE_TABLE_NAME,
+                            cv,
+                            ProviderTableMeta.FILE_STORAGE_PATH + "=?",
+                            new String[]{oldPath});
+
+                    Log_OC.v("SQL", "Updated path of downloaded file: old file name == " + oldPath +
+                            ", new file name == " + newPath);
+
+                } while (c.moveToNext());
+            }
+        } finally {
+            c.close();
         }
 
     }
         }
 
     }