/**
* Vosao CMS. Simple CMS for Google App Engine.
*
* Copyright (C) 2009-2010 Vosao development team.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* email: vosao.dev@gmail.com
*/
package org.vosao.service.front.impl;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import net.tanesha.recaptcha.ReCaptchaResponse;
import org.vosao.entity.ConfigEntity;
import org.vosao.entity.PageEntity;
import org.vosao.i18n.Messages;
import org.vosao.service.ServiceException;
import org.vosao.service.ServiceResponse;
import org.vosao.service.front.CommentService;
import org.vosao.service.impl.AbstractServiceImpl;
import org.vosao.service.vo.CommentVO;
import org.vosao.utils.ParamUtil;
import org.vosao.utils.RecaptchaUtil;
/**
* @author Alexander Oleynik
*/
public class CommentServiceImpl extends AbstractServiceImpl
implements CommentService {
@Override
public List<CommentVO> getByPage(String pageUrl) {
return CommentVO.create(getDao().getCommentDao()
.getByPage(pageUrl, false));
}
@Override
public ServiceResponse addComment(String name, String comment,
String pageUrl, String challenge, String response,
HttpServletRequest request) {
ConfigEntity config = getBusiness().getConfigBusiness().getConfig();
boolean valid = true;
ReCaptchaResponse recaptchaResponse = null;
if (config.isEnableRecaptcha()) {
recaptchaResponse = RecaptchaUtil.check(
config.getRecaptchaPublicKey(),
config.getRecaptchaPrivateKey(),
challenge, response, request);
valid = recaptchaResponse.isValid();
}
if (valid) {
try {
addComment(ParamUtil.filterXSS(name),
ParamUtil.filterXSS(comment), pageUrl);
return ServiceResponse.createSuccessResponse(
Messages.get("comment_success_create"));
}
catch (ServiceException e) {
return ServiceResponse.createErrorResponse(e.getMessage());
}
}
else {
return ServiceResponse.createErrorResponse(
recaptchaResponse.getErrorMessage());
}
}
private void addComment(String name, String content, String pageUrl)
throws ServiceException {
PageEntity page = getDao().getPageDao().getByUrl(pageUrl);
if (page == null) {
throw new ServiceException(Messages.get("page_not_found", pageUrl));
}
getBusiness().getCommentBusiness().addComment(name, content, page);
}
}