X-Git-Url: http://git.linex4red.de/pub/Android/ownCloud.git/blobdiff_plain/5665d9c306165c144fc60b9749ac184cb32369c0..bcc972d63d3ed1d76b51a8a03a27e809983dc756:/src/com/owncloud/android/providers/FileContentProvider.java?ds=sidebyside diff --git a/src/com/owncloud/android/providers/FileContentProvider.java b/src/com/owncloud/android/providers/FileContentProvider.java index 5e54341b..9e7cd3fd 100644 --- a/src/com/owncloud/android/providers/FileContentProvider.java +++ b/src/com/owncloud/android/providers/FileContentProvider.java @@ -1,289 +1,525 @@ -/* ownCloud Android client application - * Copyright (C) 2011 Bartek Przybylski - * Copyright (C) 2012-2013 ownCloud Inc. - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - * - */ - -package com.owncloud.android.providers; - -import java.util.HashMap; - -import com.owncloud.android.db.ProviderMeta; -import com.owncloud.android.db.ProviderMeta.ProviderTableMeta; - - -import android.content.ContentProvider; -import android.content.ContentUris; -import android.content.ContentValues; -import android.content.Context; -import android.content.UriMatcher; -import android.database.Cursor; -import android.database.SQLException; -import android.database.sqlite.SQLiteDatabase; -import android.database.sqlite.SQLiteOpenHelper; -import android.database.sqlite.SQLiteQueryBuilder; -import android.net.Uri; -import android.text.TextUtils; -import android.util.Log; - -/** - * The ContentProvider for the ownCloud App. - * - * @author Bartek Przybylski - * - */ -public class FileContentProvider extends ContentProvider { - - private DataBaseHelper mDbHelper; - - private static HashMap mProjectionMap; - static { - mProjectionMap = new HashMap(); - mProjectionMap.put(ProviderTableMeta._ID, ProviderTableMeta._ID); - mProjectionMap.put(ProviderTableMeta.FILE_PARENT, - ProviderTableMeta.FILE_PARENT); - mProjectionMap.put(ProviderTableMeta.FILE_PATH, - ProviderTableMeta.FILE_PATH); - mProjectionMap.put(ProviderTableMeta.FILE_NAME, - ProviderTableMeta.FILE_NAME); - mProjectionMap.put(ProviderTableMeta.FILE_CREATION, - ProviderTableMeta.FILE_CREATION); - mProjectionMap.put(ProviderTableMeta.FILE_MODIFIED, - ProviderTableMeta.FILE_MODIFIED); - mProjectionMap.put(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA, - ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA); - mProjectionMap.put(ProviderTableMeta.FILE_CONTENT_LENGTH, - ProviderTableMeta.FILE_CONTENT_LENGTH); - mProjectionMap.put(ProviderTableMeta.FILE_CONTENT_TYPE, - ProviderTableMeta.FILE_CONTENT_TYPE); - mProjectionMap.put(ProviderTableMeta.FILE_STORAGE_PATH, - ProviderTableMeta.FILE_STORAGE_PATH); - mProjectionMap.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, - ProviderTableMeta.FILE_LAST_SYNC_DATE); - mProjectionMap.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, - ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA); - mProjectionMap.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, - ProviderTableMeta.FILE_KEEP_IN_SYNC); - mProjectionMap.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, - ProviderTableMeta.FILE_ACCOUNT_OWNER); - } - - private static final int SINGLE_FILE = 1; - private static final int DIRECTORY = 2; - private static final int ROOT_DIRECTORY = 3; - private static final UriMatcher mUriMatcher; - static { - mUriMatcher = new UriMatcher(UriMatcher.NO_MATCH); - mUriMatcher.addURI(ProviderMeta.AUTHORITY_FILES, "/", 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) { - SQLiteDatabase db = mDbHelper.getWritableDatabase(); - int count = 0; - switch (mUriMatcher.match(uri)) { - case SINGLE_FILE: - count = db.delete(ProviderTableMeta.DB_NAME, - ProviderTableMeta._ID - + "=" - + uri.getPathSegments().get(1) - + (!TextUtils.isEmpty(where) ? " AND (" + where - + ")" : ""), whereArgs); - break; - case ROOT_DIRECTORY: - count = db.delete(ProviderTableMeta.DB_NAME, where, whereArgs); - break; - default: - throw new IllegalArgumentException("Unknown uri: " + uri.toString()); - } - getContext().getContentResolver().notifyChange(uri, null); - return count; - } - - @Override - public String getType(Uri uri) { - switch (mUriMatcher.match(uri)) { - case ROOT_DIRECTORY: - return ProviderTableMeta.CONTENT_TYPE; - case SINGLE_FILE: - return ProviderTableMeta.CONTENT_TYPE_ITEM; - default: - throw new IllegalArgumentException("Unknown Uri id." - + uri.toString()); - } - } - - @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); - } - - 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; - } - throw new SQLException("ERROR " + uri); - } - - @Override - public boolean onCreate() { - mDbHelper = new DataBaseHelper(getContext()); - return true; - } - - @Override - public Cursor query(Uri uri, String[] projection, String selection, - String[] selectionArgs, String sortOrder) { - SQLiteQueryBuilder sqlQuery = new SQLiteQueryBuilder(); - - sqlQuery.setTables(ProviderTableMeta.DB_NAME); - sqlQuery.setProjectionMap(mProjectionMap); - - switch (mUriMatcher.match(uri)) { - case ROOT_DIRECTORY: - break; - case DIRECTORY: - sqlQuery.appendWhere(ProviderTableMeta.FILE_PARENT + "=" - + uri.getPathSegments().get(1)); - break; - case SINGLE_FILE: - 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)) { - order = ProviderTableMeta.DEFAULT_SORT_ORDER; - } else { - order = sortOrder; - } - - SQLiteDatabase db = mDbHelper.getReadableDatabase(); - Cursor c = sqlQuery.query(db, projection, selection, selectionArgs, - null, null, order); - - c.setNotificationUri(getContext().getContentResolver(), uri); - - return c; - } - - @Override - public int update(Uri uri, ContentValues values, String selection, - String[] selectionArgs) { - return mDbHelper.getWritableDatabase().update( - ProviderTableMeta.DB_NAME, values, selection, selectionArgs); - } - - class DataBaseHelper extends SQLiteOpenHelper { - - public DataBaseHelper(Context context) { - super(context, ProviderMeta.DB_NAME, null, ProviderMeta.DB_VERSION); - - } - - @Override - public void onCreate(SQLiteDatabase db) { - // files table - Log.i("SQL", "Entering in onCreate"); - db.execSQL("CREATE TABLE " + ProviderTableMeta.DB_NAME + "(" - + ProviderTableMeta._ID + " INTEGER PRIMARY KEY, " - + ProviderTableMeta.FILE_NAME + " TEXT, " - + ProviderTableMeta.FILE_PATH + " TEXT, " - + ProviderTableMeta.FILE_PARENT + " INTEGER, " - + ProviderTableMeta.FILE_CREATION + " INTEGER, " - + ProviderTableMeta.FILE_MODIFIED + " INTEGER, " - + ProviderTableMeta.FILE_CONTENT_TYPE + " TEXT, " - + ProviderTableMeta.FILE_CONTENT_LENGTH + " INTEGER, " - + ProviderTableMeta.FILE_STORAGE_PATH + " TEXT, " - + ProviderTableMeta.FILE_ACCOUNT_OWNER + " TEXT, " - + 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 );" - ); - } - - @Override - public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { - Log.i("SQL", "Entering in onUpgrade"); - boolean upgraded = false; - if (oldVersion == 1 && newVersion >= 2) { - Log.i("SQL", "Entering in the #1 ADD in onUpgrade"); - db.execSQL("ALTER TABLE " + ProviderTableMeta.DB_NAME + - " ADD COLUMN " + ProviderTableMeta.FILE_KEEP_IN_SYNC + " INTEGER " + - " DEFAULT 0"); - upgraded = true; - } - if (oldVersion < 3 && newVersion >= 3) { - Log.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"); - - // 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() + - " WHERE " + ProviderTableMeta.FILE_STORAGE_PATH + " IS NOT NULL"); - - upgraded = true; - db.setTransactionSuccessful(); - } finally { - db.endTransaction(); - } - } - if (oldVersion < 4 && newVersion >= 4) { - Log.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 + - " WHERE " + ProviderTableMeta.FILE_STORAGE_PATH + " IS NOT NULL"); - - upgraded = true; - db.setTransactionSuccessful(); - } finally { - db.endTransaction(); - } - } - if (!upgraded) - Log.i("SQL", "OUT of the ADD in onUpgrade; oldVersion == " + oldVersion + ", newVersion == " + newVersion); - } - - } - -} +/* ownCloud Android client application + * Copyright (C) 2011 Bartek Przybylski + * Copyright (C) 2012-2013 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, + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + * + */ + +package com.owncloud.android.providers; + +import java.util.ArrayList; +import java.util.HashMap; + +import com.owncloud.android.R; +import com.owncloud.android.datamodel.FileDataStorageManager; +import com.owncloud.android.db.ProviderMeta; +import com.owncloud.android.db.ProviderMeta.ProviderTableMeta; +import com.owncloud.android.utils.Log_OC; + + + +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.OperationApplicationException; +import android.content.UriMatcher; +import android.database.Cursor; +import android.database.SQLException; +import android.database.sqlite.SQLiteDatabase; +import android.database.sqlite.SQLiteOpenHelper; +import android.database.sqlite.SQLiteQueryBuilder; +import android.net.Uri; +import android.text.TextUtils; + +/** + * The ContentProvider for the ownCloud App. + * + * @author Bartek Przybylski + * @author David A. Velasco + * + */ +public class FileContentProvider extends ContentProvider { + + private DataBaseHelper mDbHelper; + + private static HashMap mProjectionMap; + static { + mProjectionMap = new HashMap(); + mProjectionMap.put(ProviderTableMeta._ID, ProviderTableMeta._ID); + mProjectionMap.put(ProviderTableMeta.FILE_PARENT, + ProviderTableMeta.FILE_PARENT); + mProjectionMap.put(ProviderTableMeta.FILE_PATH, + ProviderTableMeta.FILE_PATH); + mProjectionMap.put(ProviderTableMeta.FILE_NAME, + ProviderTableMeta.FILE_NAME); + mProjectionMap.put(ProviderTableMeta.FILE_CREATION, + ProviderTableMeta.FILE_CREATION); + mProjectionMap.put(ProviderTableMeta.FILE_MODIFIED, + ProviderTableMeta.FILE_MODIFIED); + mProjectionMap.put(ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA, + ProviderTableMeta.FILE_MODIFIED_AT_LAST_SYNC_FOR_DATA); + mProjectionMap.put(ProviderTableMeta.FILE_CONTENT_LENGTH, + ProviderTableMeta.FILE_CONTENT_LENGTH); + mProjectionMap.put(ProviderTableMeta.FILE_CONTENT_TYPE, + ProviderTableMeta.FILE_CONTENT_TYPE); + mProjectionMap.put(ProviderTableMeta.FILE_STORAGE_PATH, + ProviderTableMeta.FILE_STORAGE_PATH); + mProjectionMap.put(ProviderTableMeta.FILE_LAST_SYNC_DATE, + ProviderTableMeta.FILE_LAST_SYNC_DATE); + mProjectionMap.put(ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA, + ProviderTableMeta.FILE_LAST_SYNC_DATE_FOR_DATA); + mProjectionMap.put(ProviderTableMeta.FILE_KEEP_IN_SYNC, + ProviderTableMeta.FILE_KEEP_IN_SYNC); + mProjectionMap.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, + ProviderTableMeta.FILE_ACCOUNT_OWNER); + mProjectionMap.put(ProviderTableMeta.FILE_ETAG, + ProviderTableMeta.FILE_ETAG); + } + + private static final int SINGLE_FILE = 1; + private static final int DIRECTORY = 2; + private static final int ROOT_DIRECTORY = 3; + + private UriMatcher mUriMatcher; + + @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(); + 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: + /*Cursor c = query(db, uri, null, where, whereArgs, null); + String remotePath = "(unexisting)"; + if (c != null && c.moveToFirst()) { + remotePath = c.getString(c.getColumnIndex(ProviderTableMeta.FILE_PATH)); + } + Log_OC.d(TAG, "Removing FILE " + remotePath); + */ + count = db.delete(ProviderTableMeta.DB_NAME, + 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; + //String remotePath; + 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.DB_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: + //Log_OC.d(TAG, "Removing ROOT!"); + count = db.delete(ProviderTableMeta.DB_NAME, where, whereArgs); + break; + default: + //Log_OC.e(TAG, "Unknown uri " + uri); + throw new IllegalArgumentException("Unknown uri: " + uri.toString()); + } + return count; + } + + + @Override + public String getType(Uri uri) { + switch (mUriMatcher.match(uri)) { + case ROOT_DIRECTORY: + return ProviderTableMeta.CONTENT_TYPE; + case SINGLE_FILE: + return ProviderTableMeta.CONTENT_TYPE_ITEM; + default: + throw new IllegalArgumentException("Unknown Uri id." + + uri.toString()); + } + } + + @Override + public Uri insert(Uri uri, ContentValues values) { + //Log_OC.d(TAG, "Inserting " + values.getAsString(ProviderTableMeta.FILE_PATH) + " at provider " + this); + 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; + } + + private Uri insert(SQLiteDatabase db, Uri uri, ContentValues values) { + if (mUriMatcher.match(uri) != SINGLE_FILE && + mUriMatcher.match(uri) != ROOT_DIRECTORY) { + //Log_OC.e(TAG, "Inserting invalid URI: " + uri); + throw new IllegalArgumentException("Unknown uri id: " + uri); + } + + 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); + if (doubleCheck == null || !doubleCheck.moveToFirst()) { // ugly patch; serious refactorization is needed to reduce work in FileDataStorageManager and bring it to FileContentProvider + long rowId = db.insert(ProviderTableMeta.DB_NAME, null, values); + if (rowId > 0) { + Uri insertedFileUri = ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_FILE, rowId); + //Log_OC.d(TAG, "Inserted " + values.getAsString(ProviderTableMeta.FILE_PATH) + " at provider " + this); + return insertedFileUri; + } else { + //Log_OC.d(TAG, "Error while inserting " + values.getAsString(ProviderTableMeta.FILE_PATH) + " at provider " + this); + 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; + } + } + + + @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); + mUriMatcher.addURI(authority, "dir/", DIRECTORY); + mUriMatcher.addURI(authority, "dir/#", DIRECTORY); + + return true; + } + + + @Override + 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(); + + sqlQuery.setTables(ProviderTableMeta.DB_NAME); + sqlQuery.setProjectionMap(mProjectionMap); + + switch (mUriMatcher.match(uri)) { + case ROOT_DIRECTORY: + break; + case DIRECTORY: + String folderId = uri.getPathSegments().get(1); + sqlQuery.appendWhere(ProviderTableMeta.FILE_PARENT + "=" + + folderId); + break; + case SINGLE_FILE: + 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)) { + order = ProviderTableMeta.DEFAULT_SORT_ORDER; + } else { + order = sortOrder; + } + + // DB case_sensitive + db.execSQL("PRAGMA case_sensitive_like = true"); + Cursor c = sqlQuery.query(db, projection, selection, selectionArgs, null, null, order); + c.setNotificationUri(getContext().getContentResolver(), uri); + return c; + } + + @Override + public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) { + + //Log_OC.d(TAG, "Updating " + values.getAsString(ProviderTableMeta.FILE_PATH) + " at provider " + this); + 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 updateFolderSize(db, selectionArgs[0]); + default: + return db.update(ProviderTableMeta.DB_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.DB_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 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) { + super(context, ProviderMeta.DB_NAME, null, ProviderMeta.DB_VERSION); + + } + + @Override + public void onCreate(SQLiteDatabase db) { + // files table + Log_OC.i("SQL", "Entering in onCreate"); + db.execSQL("CREATE TABLE " + ProviderTableMeta.DB_NAME + "(" + + ProviderTableMeta._ID + " INTEGER PRIMARY KEY, " + + ProviderTableMeta.FILE_NAME + " TEXT, " + + ProviderTableMeta.FILE_PATH + " TEXT, " + + ProviderTableMeta.FILE_PARENT + " INTEGER, " + + ProviderTableMeta.FILE_CREATION + " INTEGER, " + + ProviderTableMeta.FILE_MODIFIED + " INTEGER, " + + ProviderTableMeta.FILE_CONTENT_TYPE + " TEXT, " + + ProviderTableMeta.FILE_CONTENT_LENGTH + " INTEGER, " + + ProviderTableMeta.FILE_STORAGE_PATH + " TEXT, " + + ProviderTableMeta.FILE_ACCOUNT_OWNER + " TEXT, " + + 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_ETAG + " TEXT );" + ); + } + + @Override + public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { + Log_OC.i("SQL", "Entering in onUpgrade"); + boolean upgraded = false; + if (oldVersion == 1 && newVersion >= 2) { + Log_OC.i("SQL", "Entering in the #1 ADD in onUpgrade"); + db.execSQL("ALTER TABLE " + ProviderTableMeta.DB_NAME + + " ADD COLUMN " + ProviderTableMeta.FILE_KEEP_IN_SYNC + " INTEGER " + + " DEFAULT 0"); + upgraded = true; + } + if (oldVersion < 3 && newVersion >= 3) { + 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"); + + // 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() + + " WHERE " + ProviderTableMeta.FILE_STORAGE_PATH + " IS NOT NULL"); + + upgraded = true; + db.setTransactionSuccessful(); + } finally { + db.endTransaction(); + } + } + if (oldVersion < 4 && newVersion >= 4) { + 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 + + " 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.DB_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); + } + } + +}