/**
 * MailArchiver is an application that provides services for storing and managing e-mail messages through a Web Services SOAP interface.
 * Copyright (C) 2012  Marcio Andre Scholl Levien and Fernando Alberto Reuter Wendt and Jose Ronaldo Nogueira Fonseca Junior
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

/******************************************************************************\
*
*  This product was developed by
*
*        SERVIÇO FEDERAL DE PROCESSAMENTO DE DADOS (SERPRO),
*
*  a government company established under Brazilian law (5.615/70),
*  at Department of Development of Porto Alegre.
*
\******************************************************************************/

package serpro.mailarchiver.service.web;

import java.util.Arrays;

import javax.jdo.annotations.PersistenceAware;

import org.springframework.beans.factory.annotation.Autowired;

import serpro.mailarchiver.domain.metaarchive.Folder;
import serpro.mailarchiver.service.BaseService;
import serpro.mailarchiver.service.dto.TFolder;
import serpro.mailarchiver.service.find.FFolder;
import serpro.mailarchiver.util.Logger;
import serpro.mailarchiver.util.transaction.WithReadOnlyTx;

@PersistenceAware
public class DefaultListFoldersOperation
    extends BaseService
    implements ListFoldersOperation
{
    private static final Logger log = Logger.getLocalLogger();

    @Autowired
    private FFolder findFolder;

    @WithReadOnlyTx
    @Override
    public TFolder[] apply(String folderId) throws ServiceFault {

        Folder folder = findFolder.byId(folderId);

        if(folder == null) {
            ServiceFault.folderNotFound()
                    .setActor("listFolders")
                    .setMessage("Folder not found.")
                    .addValue("folderId", folderId)
                    .raise();
        }

        Folder[] a = folder.getChildren().toArray(new Folder[folder.getChildren().size()]);
        Arrays.sort(a);

        TFolder[] folderDtoArray = new TFolder[a.length];
        for(int i = 0; i < a.length; i++) {
            folderDtoArray[i] = new TFolder(a[i]);
        }

        return folderDtoArray;
    }
}