import java.util.ArrayList;
import java.util.HashMap;
-import com.owncloud.android.Log_OC;
+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.database.sqlite.SQLiteQueryBuilder;
import android.net.Uri;
import android.text.TextUtils;
-import android.util.Log;
/**
* The ContentProvider for the ownCloud App.
ProviderTableMeta.FILE_ETAG);
}
- private static final String TAG = FileContentProvider.class.getSimpleName();
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, 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);
- }
+ private UriMatcher mUriMatcher;
+
@Override
public int delete(Uri uri, String where, String[] whereArgs) {
//Log_OC.d(TAG, "Deleting " + uri + " at provider " + this);
if (children != null && children.moveToFirst()) {
long childId;
boolean isDir;
- String remotePath;
+ //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));
+ //remotePath = children.getString(children.getColumnIndex(ProviderTableMeta.FILE_PATH));
if (isDir) {
count += delete(db, ContentUris.withAppendedId(ProviderTableMeta.CONTENT_URI_DIR, childId), null, null);
} else {
throw new IllegalArgumentException("Unknown uri id: " + uri);
}
- 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;
+ 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 {
- //Log_OC.d(TAG, "Error while inserting " + values.getAsString(ProviderTableMeta.FILE_PATH) + " at provider " + this);
- throw new SQLException("ERROR " + uri);
+ // 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;
}
case ROOT_DIRECTORY:
break;
case DIRECTORY:
+ String folderId = uri.getPathSegments().get(1);
sqlQuery.appendWhere(ProviderTableMeta.FILE_PARENT + "="
- + uri.getPathSegments().get(1));
+ + folderId);
break;
case SINGLE_FILE:
if (uri.getPathSegments().size() > 1) {
// 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;
}
private int update(SQLiteDatabase db, Uri uri, ContentValues values, String selection, String[] selectionArgs) {
- return db.update(ProviderTableMeta.DB_NAME, values, selection, 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<ContentProviderOperation> operations) throws OperationApplicationException {
- //Log.d(TAG, "applying batch in provider " + this + " (temporary: " + isTemporary() + ")" );
+ Log_OC.d("FileContentProvider", "applying batch in provider " + this + " (temporary: " + isTemporary() + ")" );
ContentProviderResult[] results = new ContentProviderResult[operations.size()];
int i=0;
} finally {
db.endTransaction();
}
- //Log.d(TAG, "applied batch in provider " + this);
+ Log_OC.d("FileContentProvider", "applied batch in provider " + this);
return results;
}
-
+
class DataBaseHelper extends SQLiteOpenHelper {
public DataBaseHelper(Context context) {