src/com/owncloud/android/providers/FileContentProvider.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2013 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package com.owncloud.android.providers;
  20
  21 import java.util.ArrayList;
  22 import java.util.HashMap;
  23
  24 import com.owncloud.android.R;
  25 import com.owncloud.android.datamodel.FileDataStorageManager;
  26 import com.owncloud.android.db.ProviderMeta;
  27 import com.owncloud.android.db.ProviderMeta.ProviderTableMeta;
  28 import com.owncloud.android.utils.Log_OC;
  29
  30
  31
  32 import android.content.ContentProvider;
  33 import android.content.ContentProviderOperation;
  34 import android.content.ContentProviderResult;
  35 import android.content.ContentUris;
  36 import android.content.ContentValues;
  37 import android.content.Context;
  38 import android.content.OperationApplicationException;
  39 import android.content.UriMatcher;
  40 import android.database.Cursor;
  41 import android.database.SQLException;
  42 import android.database.sqlite.SQLiteDatabase;
  43 import android.database.sqlite.SQLiteOpenHelper;
  44 import android.database.sqlite.SQLiteQueryBuilder;
  45 import android.net.Uri;
  46 import android.text.TextUtils;
  47
  48 /**
  49  * The ContentProvider for the ownCloud App.
  50  *
  51  * @author Bartek Przybylski
  52  * @author David A. Velasco
  53  *
  54  */
  55 public class FileContentProvider extends ContentProvider {
  56
  57     private DataBaseHelper mDbHelper;
  58
  59     // Projection for filelist table
  60     private static HashMap<String, String> mFileProjectionMap;
  61     static {
  62         mFileProjectionMap = new HashMap<String, String>();
  63         mFileProjectionMap.put(ProviderTableMeta._ID, ProviderTableMeta._ID);
  64         mFileProjectionMap.put(ProviderTableMeta.FILE_PARENT,
  65                 ProviderTableMeta.FILE_PARENT);
  66         mFileProjectionMap.put(ProviderTableMeta.FILE_PATH,
  67                 ProviderTableMeta.FILE_PATH);
  68         mFileProjectionMap.put(ProviderTableMeta.FILE_NAME,
  69                 ProviderTableMeta.FILE_NAME);
  70         mFileProjectionMap.put(ProviderTableMeta.FILE_CREATION,
  71                 ProviderTableMeta.FILE_CREATION);
  72         mFileProjectionMap.put(ProviderTableMeta.FILE_MODIFIED,
  73                 ProviderTableMeta.FILE_MODIFIED);
  74         mFileProjectionMap.put(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA,
  75                 ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA);
  76         mFileProjectionMap.put(ProviderTableMeta.FILE_CONTENT_LENGTH,
  77                 ProviderTableMeta.FILE_CONTENT_LENGTH);
  78         mFileProjectionMap.put(ProviderTableMeta.FILE_CONTENT_TYPE,
  79                 ProviderTableMeta.FILE_CONTENT_TYPE);
  80         mFileProjectionMap.put(ProviderTableMeta.FILE_STORAGE_PATH,
  81                 ProviderTableMeta.FILE_STORAGE_PATH);
  82         mFileProjectionMap.put(ProviderTableMeta.FILE_LAST_SYNC_DATE,
  83                 ProviderTableMeta.FILE_LAST_SYNC_DATE);
  84         mFileProjectionMap.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA,
  85                 ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA);
  86         mFileProjectionMap.put(ProviderTableMeta.FILE_KEEP_IN_SYNC,
  87                 ProviderTableMeta.FILE_KEEP_IN_SYNC);
  88         mFileProjectionMap.put(ProviderTableMeta.FILE_ACCOUNT_OWNER,
  89                 ProviderTableMeta.FILE_ACCOUNT_OWNER);
  90         mFileProjectionMap.put(ProviderTableMeta.FILE_ETAG,
  91                 ProviderTableMeta.FILE_ETAG);
  92         mFileProjectionMap.put(ProviderTableMeta.FILE_SHARE_BY_LINK,
  93                 ProviderTableMeta.FILE_PUBLIC_LINK);
  94     }
  95
  96     private static final int SINGLE_FILE = 1;
  97     private static final int DIRECTORY = 2;
  98     private static final int ROOT_DIRECTORY = 3;
  99     private static final int SHARES = 4;
 100
 101     // Projection for ocshares table
 102     private static HashMap<String, String> mOCSharesProjectionMap;
 103     static {
 104         mOCSharesProjectionMap = new HashMap<String, String>();
 105         mOCSharesProjectionMap.put(ProviderTableMeta._ID, ProviderTableMeta._ID);
 106         mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_FILE_SOURCE,
 107                 ProviderTableMeta.OCSHARES_FILE_SOURCE);
 108         mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_ITEM_SOURCE,
 109                 ProviderTableMeta.OCSHARES_ITEM_SOURCE);
 110         mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_SHARE_TYPE,
 111                 ProviderTableMeta.OCSHARES_SHARE_TYPE);
 112         mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_SHARE_WITH,
 113                 ProviderTableMeta.OCSHARES_SHARE_WITH);
 114         mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_PATH,
 115                 ProviderTableMeta.OCSHARES_PATH);
 116         mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_PERMISSIONS,
 117                 ProviderTableMeta.OCSHARES_PERMISSIONS);
 118         mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_SHARED_DATE,
 119                 ProviderTableMeta.OCSHARES_SHARED_DATE);
 120         mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_EXPIRATION_DATE,
 121                 ProviderTableMeta.OCSHARES_EXPIRATION_DATE);
 122         mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_TOKEN,
 123                 ProviderTableMeta.OCSHARES_TOKEN);
 124         mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME,
 125                 ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME);
 126         mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_IS_DIRECTORY,
 127                 ProviderTableMeta.OCSHARES_IS_DIRECTORY);
 128         mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_USER_ID,
 129                 ProviderTableMeta.OCSHARES_USER_ID);
 130         mOCSharesProjectionMap.put(ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED,
 131                 ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED);
 132     }
 133
 134     private UriMatcher mUriMatcher;
 135
 136     @Override
 137     public int delete(Uri uri, String where, String[] whereArgs) {
 138         //Log_OC.d(TAG, "Deleting " + uri + " at provider " + this);
 139         int count = 0;
 140         SQLiteDatabase db = mDbHelper.getWritableDatabase();
 141         db.beginTransaction();
 142         try {
 143             count = delete(db, uri, where, whereArgs);
 144             db.setTransactionSuccessful();
 145         } finally {
 146             db.endTransaction();
 147         }
 148         getContext().getContentResolver().notifyChange(uri, null);
 149         return count;
 150     }
 151
 152     // TODO: switch(uri)
 153     private int delete(SQLiteDatabase db, Uri uri, String where, String[] whereArgs) {
 154         int count = 0;
 155         switch (mUriMatcher.match(uri)) {
 156         case SINGLE_FILE:
 157             /*Cursor c = query(db, uri, null, where, whereArgs, null);
 158             String remotePath = "(unexisting)";
 159             if (c != null && c.moveToFirst()) {
 160                 remotePath = c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PATH));
 161             }
 162             Log_OC.d(TAG, "Removing FILE " + remotePath);
 163             */
 164             count = db.delete(ProviderTableMeta.FILE_TABLE_NAME,
 165                     ProviderTableMeta._ID
 166                             + "="
 167                             + uri.getPathSegments().get(1)
 168                             + (!TextUtils.isEmpty(where) ? " AND (" + where
 169                                     + ")" : ""), whereArgs);
 170             /* just for log
 171             if (c!=null) {
 172                 c.close();
 173             }
 174             */
 175             break;
 176         case DIRECTORY:
 177             // deletion of folder is recursive
 178             /*
 179             Uri folderUri = ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_FILE, Long.parseLong(uri.getPathSegments().get(1)));
 180             Cursor folder = query(db, folderUri, null, null, null, null);
 181             String folderName = "(unknown)";
 182             if (folder != null && folder.moveToFirst()) {
 183                 folderName = folder.getString(folder.getColumnIndex(ProviderTableMeta.FILE_PATH));
 184             }
 185             */
 186             Cursor children = query(uri, null, null, null, null);
 187             if (children != null && children.moveToFirst())  {
 188                 long childId;
 189                 boolean isDir;
 190                 //String remotePath;
 191                 while (!children.isAfterLast()) {
 192                     childId = children.getLong(children.getColumnIndex(ProviderTableMeta._ID));
 193                     isDir = "DIR".equals(children.getString(children.getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE)));
 194                     //remotePath = children.getString(children.getColumnIndex(ProviderTableMeta.FILE_PATH));
 195                     if (isDir) {
 196                         count += delete(db, ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_DIR, childId), null, null);
 197                     } else {
 198                         count += delete(db, ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_FILE, childId), null, null);
 199                     }
 200                     children.moveToNext();
 201                 }
 202                 children.close();
 203             } /*else {
 204                 Log_OC.d(TAG, "No child to remove in DIRECTORY " + folderName);
 205             }
 206             Log_OC.d(TAG, "Removing DIRECTORY " + folderName + " (or maybe not) ");
 207             */
 208             count += db.delete(ProviderTableMeta.FILE_TABLE_NAME,
 209                     ProviderTableMeta._ID
 210                     + "="
 211                     + uri.getPathSegments().get(1)
 212                     + (!TextUtils.isEmpty(where) ? " AND (" + where
 213                             + ")" : ""), whereArgs);
 214             /* Just for log
 215              if (folder != null) {
 216                 folder.close();
 217             }*/
 218             break;
 219         case ROOT_DIRECTORY:
 220             //Log_OC.d(TAG, "Removing ROOT!");
 221             count = db.delete(ProviderTableMeta.FILE_TABLE_NAME, where, whereArgs);
 222             break;
 223         default:
 224             //Log_OC.e(TAG, "Unknown uri " + uri);
 225             throw new IllegalArgumentException("Unknown uri: " + uri.toString());
 226         }
 227         return count;
 228     }
 229
 230
 231     // TODO: switch(uri)
 232     @Override
 233     public String getType(Uri uri) {
 234         switch (mUriMatcher.match(uri)) {
 235         case ROOT_DIRECTORY:
 236             return ProviderTableMeta.CONTENT_TYPE;
 237         case SINGLE_FILE:
 238             return ProviderTableMeta.CONTENT_TYPE_ITEM;
 239         default:
 240             throw new IllegalArgumentException("Unknown Uri id."
 241                     + uri.toString());
 242         }
 243     }
 244
 245     @Override
 246     public Uri insert(Uri uri, ContentValues values) {
 247         //Log_OC.d(TAG, "Inserting " + values.getAsString(ProviderTableMeta.FILE_PATH) + " at provider " + this);
 248         Uri newUri = null;
 249         SQLiteDatabase db = mDbHelper.getWritableDatabase();
 250         db.beginTransaction();
 251         try {
 252             newUri = insert(db, uri, values);
 253             db.setTransactionSuccessful();
 254         } finally {
 255             db.endTransaction();
 256         }
 257         getContext().getContentResolver().notifyChange(newUri, null);
 258         return newUri;
 259     }
 260
 261     // TODO: switch(uri)
 262     private Uri insert(SQLiteDatabase db, Uri uri, ContentValues values) {
 263         if (mUriMatcher.match(uri) != SINGLE_FILE &&
 264                 mUriMatcher.match(uri) != ROOT_DIRECTORY) {
 265             //Log_OC.e(TAG, "Inserting invalid URI: " + uri);
 266             throw new IllegalArgumentException("Unknown uri id: " + uri);
 267         }
 268
 269         String remotePath = values.getAsString(ProviderTableMeta.FILE_PATH);
 270         String accountName = values.getAsString(ProviderTableMeta.FILE_ACCOUNT_OWNER);
 271         String[] projection = new String[] {ProviderTableMeta._ID, ProviderTableMeta.FILE_PATH, ProviderTableMeta.FILE_ACCOUNT_OWNER };
 272         String where = ProviderTableMeta.FILE_PATH + "=? AND " + ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?";
 273         String[] whereArgs = new String[] {remotePath, accountName};
 274         Cursor doubleCheck = query(db, uri, projection, where, whereArgs, null);
 275         if (doubleCheck == null || !doubleCheck.moveToFirst()) {    // ugly patch; serious refactorization is needed to reduce work in FileDataStorageManager and bring it to FileContentProvider
 276             long rowId = db.insert(ProviderTableMeta.FILE_TABLE_NAME, null, values);
 277             if (rowId > 0) {
 278                 Uri insertedFileUri = ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_FILE, rowId);
 279                 //Log_OC.d(TAG, "Inserted " + values.getAsString(ProviderTableMeta.FILE_PATH) + " at provider " + this);
 280                 return insertedFileUri;
 281             } else {
 282                 //Log_OC.d(TAG, "Error while inserting " + values.getAsString(ProviderTableMeta.FILE_PATH)  + " at provider " + this);
 283                 throw new SQLException("ERROR " + uri);
 284             }
 285         } else {
 286             // file is already inserted; race condition, let's avoid a duplicated entry
 287             Uri insertedFileUri = ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_FILE, doubleCheck.getLong(doubleCheck.getColumnIndex(ProviderTableMeta._ID)));
 288             doubleCheck.close();
 289             return insertedFileUri;
 290         }
 291     }
 292
 293
 294     @Override
 295     public boolean onCreate() {
 296         mDbHelper = new DataBaseHelper(getContext());
 297
 298         String authority = getContext().getResources().getString(R.string.authority);
 299         mUriMatcher = new UriMatcher(UriMatcher.NO_MATCH);
 300         mUriMatcher.addURI(authority, null, ROOT_DIRECTORY);
 301         mUriMatcher.addURI(authority, "file/", SINGLE_FILE);
 302         mUriMatcher.addURI(authority, "file/#", SINGLE_FILE);
 303         mUriMatcher.addURI(authority, "dir/", DIRECTORY);
 304         mUriMatcher.addURI(authority, "dir/#", DIRECTORY);
 305         mUriMatcher.addURI(authority, "shares/", SHARES);
 306         mUriMatcher.addURI(authority, "shares/#", SHARES);
 307
 308         return true;
 309     }
 310
 311
 312     @Override
 313     public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) {
 314         Cursor result = null;
 315         SQLiteDatabase db = mDbHelper.getReadableDatabase();
 316         db.beginTransaction();
 317         try {
 318             result = query(db, uri, projection, selection, selectionArgs, sortOrder);
 319             db.setTransactionSuccessful();
 320         } finally {
 321             db.endTransaction();
 322         }
 323         return result;
 324     }
 325
 326     private Cursor query(SQLiteDatabase db, Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) {
 327         SQLiteQueryBuilder sqlQuery = new SQLiteQueryBuilder();
 328
 329         sqlQuery.setTables(ProviderTableMeta.FILE_TABLE_NAME);
 330         sqlQuery.setProjectionMap(mFileProjectionMap);
 331
 332         switch (mUriMatcher.match(uri)) {
 333         case ROOT_DIRECTORY:
 334             break;
 335         case DIRECTORY:
 336             String folderId = uri.getPathSegments().get(1);
 337             sqlQuery.appendWhere(ProviderTableMeta.FILE_PARENT + "="
 338                     + folderId);
 339             break;
 340         case SINGLE_FILE:
 341             if (uri.getPathSegments().size() > 1) {
 342                 sqlQuery.appendWhere(ProviderTableMeta._ID + "="
 343                         + uri.getPathSegments().get(1));
 344             }
 345             break;
 346         case SHARES: //TODO
 347             break;
 348         default:
 349             throw new IllegalArgumentException("Unknown uri id: " + uri);
 350         }
 351
 352         String order;
 353         if (TextUtils.isEmpty(sortOrder)) {
 354             order = ProviderTableMeta.FILE_DEFAULT_SORT_ORDER;
 355         } else {
 356             order = sortOrder;
 357         }
 358
 359         // DB case_sensitive
 360         db.execSQL("PRAGMA case_sensitive_like = true");
 361         Cursor c = sqlQuery.query(db, projection, selection, selectionArgs, null, null, order);
 362         c.setNotificationUri(getContext().getContentResolver(), uri);
 363         return c;
 364     }
 365
 366     // TODO: switch(uri)
 367     @Override
 368     public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
 369
 370         //Log_OC.d(TAG, "Updating " + values.getAsString(ProviderTableMeta.FILE_PATH) + " at provider " + this);
 371         int count = 0;
 372         SQLiteDatabase db = mDbHelper.getWritableDatabase();
 373         db.beginTransaction();
 374         try {
 375             count = update(db, uri, values, selection, selectionArgs);
 376             db.setTransactionSuccessful();
 377         } finally {
 378             db.endTransaction();
 379         }
 380         getContext().getContentResolver().notifyChange(uri, null);
 381         return count;
 382     }
 383
 384
 385     // TODO: switch(uri)
 386     private int update(SQLiteDatabase db, Uri uri, ContentValues values, String selection, String[] selectionArgs) {
 387         switch (mUriMatcher.match(uri)) {
 388             case DIRECTORY:
 389                 return updateFolderSize(db, selectionArgs[0]);
 390             default:
 391                 return db.update(ProviderTableMeta.FILE_TABLE_NAME, values, selection, selectionArgs);
 392         }
 393     }
 394
 395
 396     private int updateFolderSize(SQLiteDatabase db, String folderId) {
 397         int count = 0;
 398         String [] whereArgs = new String[] { folderId };
 399
 400         // read current size saved for the folder
 401         long folderSize = 0;
 402         long folderParentId = -1;
 403         Uri selectFolderUri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE, folderId);
 404         String[] folderProjection = new String[] { ProviderTableMeta.FILE_CONTENT_LENGTH,  ProviderTableMeta.FILE_PARENT};
 405         String folderWhere = ProviderTableMeta._ID + "=?";
 406         Cursor folderCursor = query(db, selectFolderUri, folderProjection, folderWhere, whereArgs, null);
 407         if (folderCursor != null && folderCursor.moveToFirst()) {
 408             folderSize = folderCursor.getLong(folderCursor.getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH));;
 409             folderParentId = folderCursor.getLong(folderCursor.getColumnIndex(ProviderTableMeta.FILE_PARENT));;
 410         }
 411         folderCursor.close();
 412
 413         // read and sum sizes of children
 414         long childrenSize = 0;
 415         Uri selectChildrenUri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, folderId);
 416         String[] childrenProjection = new String[] { ProviderTableMeta.FILE_CONTENT_LENGTH,  ProviderTableMeta.FILE_PARENT};
 417         String childrenWhere = ProviderTableMeta.FILE_PARENT + "=?";
 418         Cursor childrenCursor = query(db, selectChildrenUri, childrenProjection, childrenWhere, whereArgs, null);
 419         if (childrenCursor != null && childrenCursor.moveToFirst()) {
 420             while (!childrenCursor.isAfterLast()) {
 421                 childrenSize += childrenCursor.getLong(childrenCursor.getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH));
 422                 childrenCursor.moveToNext();
 423             }
 424         }
 425         childrenCursor.close();
 426
 427         // update if needed
 428         if (folderSize != childrenSize) {
 429             Log_OC.d("FileContentProvider", "Updating " + folderSize + " to " + childrenSize);
 430             ContentValues cv = new ContentValues();
 431             cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, childrenSize);
 432             count = db.update(ProviderTableMeta.FILE_TABLE_NAME, cv, folderWhere, whereArgs);
 433
 434             // propagate update until root
 435             if (folderParentId > FileDataStorageManager.ROOT_PARENT_ID) {
 436                 Log_OC.d("FileContentProvider", "Propagating update to " + folderParentId);
 437                 updateFolderSize(db, String.valueOf(folderParentId));
 438             } else {
 439                 Log_OC.d("FileContentProvider", "NOT propagating to " + folderParentId);
 440             }
 441         } else {
 442             Log_OC.d("FileContentProvider", "NOT updating, sizes are " + folderSize + " and " + childrenSize);
 443         }
 444         return count;
 445     }
 446
 447
 448     @Override
 449     public ContentProviderResult[] applyBatch (ArrayList<ContentProviderOperation> operations) throws OperationApplicationException {
 450         Log_OC.d("FileContentProvider", "applying batch in provider " + this + " (temporary: " + isTemporary() + ")" );
 451         ContentProviderResult[] results = new ContentProviderResult[operations.size()];
 452         int i=0;
 453
 454         SQLiteDatabase db = mDbHelper.getWritableDatabase();
 455         db.beginTransaction();  // it's supposed that transactions can be nested
 456         try {
 457             for (ContentProviderOperation operation : operations) {
 458                 results[i] = operation.apply(this, results, i);
 459                 i++;
 460             }
 461             db.setTransactionSuccessful();
 462         } finally {
 463             db.endTransaction();
 464         }
 465         Log_OC.d("FileContentProvider", "applied batch in provider " + this);
 466         return results;
 467     }
 468
 469
 470     class DataBaseHelper extends SQLiteOpenHelper {
 471
 472         public DataBaseHelper(Context context) {
 473             super(context, ProviderMeta.DB_NAME, null, ProviderMeta.DB_VERSION);
 474
 475         }
 476
 477         @Override
 478         public void onCreate(SQLiteDatabase db) {
 479             // files table
 480             Log_OC.i("SQL", "Entering in onCreate");
 481             db.execSQL("CREATE TABLE " + ProviderTableMeta.FILE_TABLE_NAME + "("
 482                     + ProviderTableMeta._ID + " INTEGER PRIMARY KEY, "
 483                     + ProviderTableMeta.FILE_NAME + " TEXT, "
 484                     + ProviderTableMeta.FILE_PATH + " TEXT, "
 485                     + ProviderTableMeta.FILE_PARENT + " INTEGER, "
 486                     + ProviderTableMeta.FILE_CREATION + " INTEGER, "
 487                     + ProviderTableMeta.FILE_MODIFIED + " INTEGER, "
 488                     + ProviderTableMeta.FILE_CONTENT_TYPE + " TEXT, "
 489                     + ProviderTableMeta.FILE_CONTENT_LENGTH + " INTEGER, "
 490                     + ProviderTableMeta.FILE_STORAGE_PATH + " TEXT, "
 491                     + ProviderTableMeta.FILE_ACCOUNT_OWNER + " TEXT, "
 492                     + ProviderTableMeta.FILE_LAST_SYNC_DATE + " INTEGER, "
 493                     + ProviderTableMeta.FILE_KEEP_IN_SYNC + " INTEGER, "
 494                     + ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA + " INTEGER, "
 495                     + ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA + " INTEGER, "
 496                     + ProviderTableMeta.FILE_ETAG + " TEXT, "
 497                     + ProviderTableMeta.FILE_SHARE_BY_LINK + " INTEGER, "
 498                     + ProviderTableMeta.FILE_PUBLIC_LINK  + " TEXT );"
 499                     );
 500         }
 501
 502         @Override
 503         public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
 504             Log_OC.i("SQL", "Entering in onUpgrade");
 505             boolean upgraded = false;
 506             if (oldVersion == 1 && newVersion >= 2) {
 507                 Log_OC.i("SQL", "Entering in the #1 ADD in onUpgrade");
 508                 db.execSQL("ALTER TABLE " + ProviderTableMeta.FILE_TABLE_NAME +
 509                            " ADD COLUMN " + ProviderTableMeta.FILE_KEEP_IN_SYNC  + " INTEGER " +
 510                            " DEFAULT 0");
 511                 upgraded = true;
 512             }
 513             if (oldVersion < 3 && newVersion >= 3) {
 514                 Log_OC.i("SQL", "Entering in the #2 ADD in onUpgrade");
 515                 db.beginTransaction();
 516                 try {
 517                     db.execSQL("ALTER TABLE " + ProviderTableMeta.FILE_TABLE_NAME +
 518                                " ADD COLUMN " + ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA  + " INTEGER " +
 519                                " DEFAULT 0");
 520
 521                     // assume there are not local changes pending to upload
 522                     db.execSQL("UPDATE " + ProviderTableMeta.FILE_TABLE_NAME +
 523                             " SET " + ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA + " = " + System.currentTimeMillis() +
 524                             " WHERE " + ProviderTableMeta.FILE_STORAGE_PATH + " IS NOT NULL");
 525
 526                     upgraded = true;
 527                     db.setTransactionSuccessful();
 528                 } finally {
 529                     db.endTransaction();
 530                 }
 531             }
 532             if (oldVersion < 4 && newVersion >= 4) {
 533                 Log_OC.i("SQL", "Entering in the #3 ADD in onUpgrade");
 534                 db.beginTransaction();
 535                 try {
 536                     db .execSQL("ALTER TABLE " + ProviderTableMeta.FILE_TABLE_NAME +
 537                            " ADD COLUMN " + ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA  + " INTEGER " +
 538                            " DEFAULT 0");
 539
 540                     db.execSQL("UPDATE " + ProviderTableMeta.FILE_TABLE_NAME +
 541                            " SET " + ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA + " = " + ProviderTableMeta.FILE_MODIFIED +
 542                            " WHERE " + ProviderTableMeta.FILE_STORAGE_PATH + " IS NOT NULL");
 543
 544                     upgraded = true;
 545                     db.setTransactionSuccessful();
 546                 } finally {
 547                     db.endTransaction();
 548                 }
 549             }
 550             if (!upgraded)
 551                 Log_OC.i("SQL", "OUT of the ADD in onUpgrade; oldVersion == " + oldVersion + ", newVersion == " + newVersion);
 552
 553             if (oldVersion < 5 && newVersion >= 5) {
 554                 Log_OC.i("SQL", "Entering in the #4 ADD in onUpgrade");
 555                 db.beginTransaction();
 556                 try {
 557                     db .execSQL("ALTER TABLE " + ProviderTableMeta.FILE_TABLE_NAME +
 558                             " ADD COLUMN " + ProviderTableMeta.FILE_ETAG + " TEXT " +
 559                             " DEFAULT NULL");
 560
 561                     upgraded = true;
 562                     db.setTransactionSuccessful();
 563                 } finally {
 564                     db.endTransaction();
 565                 }
 566             }
 567             if (!upgraded)
 568                 Log_OC.i("SQL", "OUT of the ADD in onUpgrade; oldVersion == " + oldVersion + ", newVersion == " + newVersion);
 569
 570             if (oldVersion < 6 && newVersion >= 6) {
 571                 Log_OC.i("SQL", "Entering in the #5 ADD in onUpgrade");
 572                 db.beginTransaction();
 573                 try {
 574                     db .execSQL("ALTER TABLE " + ProviderTableMeta.FILE_TABLE_NAME +
 575                             " ADD COLUMN " + ProviderTableMeta.FILE_SHARE_BY_LINK + " INTEGER " +
 576                             " DEFAULT 0");
 577
 578                     db .execSQL("ALTER TABLE " + ProviderTableMeta.FILE_TABLE_NAME +
 579                             " ADD COLUMN " + ProviderTableMeta.FILE_PUBLIC_LINK + " TEXT " +
 580                             " DEFAULT NULL");
 581
 582                     // Create table ocshares
 583                     db.execSQL("CREATE TABLE " + ProviderTableMeta.OCSHARES_TABLE_NAME + "("
 584                             + ProviderTableMeta._ID + " INTEGER PRIMARY KEY, "
 585                             + ProviderTableMeta.OCSHARES_FILE_SOURCE + " INTEGER, "
 586                             + ProviderTableMeta.OCSHARES_ITEM_SOURCE + " INTEGER, "
 587                             + ProviderTableMeta.OCSHARES_SHARE_TYPE + " INTEGER, "
 588                             + ProviderTableMeta.OCSHARES_SHARE_WITH + " TEXT, "
 589                             + ProviderTableMeta.OCSHARES_PATH + " TEXT, "
 590                             + ProviderTableMeta.OCSHARES_PERMISSIONS+ " INTEGER, "
 591                             + ProviderTableMeta.OCSHARES_SHARED_DATE + " INTEGER, "
 592                             + ProviderTableMeta.OCSHARES_EXPIRATION_DATE + " INTEGER, "
 593                             + ProviderTableMeta.OCSHARES_TOKEN + " TEXT, "
 594                             + ProviderTableMeta.OCSHARES_SHARE_WITH_DISPLAY_NAME + " TEXT, "
 595                             + ProviderTableMeta.OCSHARES_IS_DIRECTORY + " INTEGER, "  // boolean
 596                             + ProviderTableMeta.OCSHARES_USER_ID + " INTEGER, "
 597                             + ProviderTableMeta.OCSHARES_ID_REMOTE_SHARED + " INTEGER );"
 598                             );
 599
 600                     upgraded = true;
 601                     db.setTransactionSuccessful();
 602                 } finally {
 603                     db.endTransaction();
 604                 }
 605             }
 606             if (!upgraded)
 607                 Log_OC.i("SQL", "OUT of the ADD in onUpgrade; oldVersion == " + oldVersion + ", newVersion == " + newVersion);
 608         }
 609     }
 610
 611 }