/**
 * 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.io.IOException;

import javax.jdo.annotations.PersistenceAware;

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

import serpro.mailarchiver.domain.metaarchive.SingleBody;
import serpro.mailarchiver.service.BaseService;
import serpro.mailarchiver.service.find.FBinaryBody;
import serpro.mailarchiver.service.find.FTextBody;
import serpro.mailarchiver.util.transaction.WithReadOnlyTx;
import serpro.mailarchiver.util.Logger;

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

    @Autowired
    private FBinaryBody findBinaryBody;

    @Autowired
    private FTextBody findTextBody;

    @WithReadOnlyTx
    @Override
    public String apply(String bodyId) throws ServiceFault {

        if(bodyId.isEmpty()) {
            ServiceFault.invalidBodyId()
                    .setActor("getRawBinaryBody")
                    .setMessage("Body id is empty or null.")
                    .raise();
        }

        SingleBody body = findBinaryBody.byId(bodyId);

        if(body == null) {

            body = findTextBody.byId(bodyId);

            if(body == null) {

                ServiceFault.binaryBodyNotFound()
                        .setActor("getRawBinaryBody")
                        .setMessage("Body not found.")
                        .addValue("bodyId", bodyId)
                        .raise();
            }
        }

        String rawText = null;
        try {
            rawText = body.getRawText();
        }
        catch(IOException ex) {
            ServiceFault.fileSystemFailure()
                    .setActor("getRawBinaryBody")
                    .setMessage("Body publish failure.")
                    .addValue("bodyId", bodyId)
                    .setCause(ex)
                    .raise();
        }

        return rawText;
    }
}