package com.owncloud.android.providers;
+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.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;
* The ContentProvider for the ownCloud App.
*
* @author Bartek Przybylski
+ * @author David A. Velasco
*
*/
public class FileContentProvider extends ContentProvider {
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 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);
+ 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());
}
- getContext().getContentResolver().notifyChange(uri, null);
return count;
}
+
@Override
public String getType(Uri uri) {
@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) {
-
+ mUriMatcher.match(uri) != ROOT_DIRECTORY) {
+ //Log_OC.e(TAG, "Inserting invalid URI: " + uri);
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);
+ 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;
}
- throw new SQLException("ERROR " + uri);
}
+
@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) {
+ 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);
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) {
order = sortOrder;
}
- SQLiteDatabase db = mDbHelper.getReadableDatabase();
- Cursor c = sqlQuery.query(db, projection, selection, selectionArgs,
- null, null, order);
-
+ // 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) {
- return mDbHelper.getWritableDatabase().update(
- ProviderTableMeta.DB_NAME, values, selection, selectionArgs);
+ 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<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) {
+ 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 );"
);
}
}
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);
}
-
}
}