package com.iqbon.jcms.service;
import java.util.List;
import org.apache.commons.lang3.StringUtils;
import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.iqbon.jcms.dao.business.PushRecordDAO;
import com.iqbon.jcms.dao.business.TopicDAO;
import com.iqbon.jcms.domain.Topic;
import com.iqbon.jcms.util.JCMSConstant;
/**
* 栏目服务类
* @author hp
*
*/
@Service
public class TopicService {
private Logger logger = Logger.getLogger(TopicService.class);
@Autowired
private TopicDAO topicDAO;
@Autowired
private PushRecordDAO pushRecordDAO;
/**
* 查找所有顶级栏目
* @return
*/
public List<Topic> getTopTopicList() {
return topicDAO.queryTopTopicList();
}
/**
* 获取子栏目
* @param topicId
* @return
*/
public List<Topic> getSubTopicList(String topicId) {
return topicDAO.querySubTopicList(topicId);
}
/**
* 增加栏目
* @param parentTopicid 父栏目ID，为空则在增加根栏目
* @param topicName
* @param user
* @return 生成的栏目ID
*/
public String addTopic(String parentTopicid, String topicName, String topicNav, String user)
throws Exception {
String parentTree = "";
if (!StringUtils.isEmpty(parentTopicid)) {
Topic parentTopic = topicDAO.queryTopicById(parentTopicid);
if (parentTopic == null) {
logger.error(parentTopicid + "增加子栏目，父栏目" + parentTopicid + "不存在");
throw new Exception(parentTopicid + "栏目不存在");
}
parentTree = parentTopic.getTopicTree();
}
String topicid = JCMSConstant.createTopicId();
String topicTree = parentTree + topicid + ";";
Topic topic = new Topic();
topic.setTopicId(topicid);
topic.setTopicTree(topicTree);
topic.setModifyUser(user);
topic.setTopicName(topicName);
topic.setParentTopic(parentTopicid);
topic.setTopicNav(topicNav);
int num = topicDAO.insertTopic(topic);
if (num == 0) {
throw new Exception(parentTopicid + "增加子栏目失败");
}
return topicid;
}
/**
* 删除栏目
* @param topicid
* @return
*/
public int deleteTopic(String topicid) throws Exception {
int deletedNum = 0;
int pushNum = pushRecordDAO.queryPushRecordNumByTopic(topicid);
if(pushNum>0){
logger.warn("删除栏目" + topicid + "失败，栏目下还有推送记录");
throw new Exception("栏目下还有推送记录");
} else {
deletedNum = topicDAO.deleteTopic(topicid);
}
return deletedNum;
}
/**
* 更新栏目信息
* @param topicName
* @param topicid
* @return
*/
public int modifyTopic(String topicName, String topicid, String topicNav, String user) {
Topic topic = new Topic();
topic.setTopicId(topicid);
topic.setTopicName(topicName);
topic.setModifyUser(user);
topic.setTopicNav(topicNav);
return topicDAO.updateTopic(topic);
}
/**
* 获取栏目信息
* @param topicid
* @return
*/
public Topic getTopicInfo(String topicid) {
return topicDAO.queryTopicById(topicid);
}
/**
* 批量删除栏目
* @param topicList
* @return
*/
public int batchDeleteTopics(List<String> topicList) {
return topicDAO.batchDeleteTopic(topicList);
}
/**
* 修改栏目下面子栏目的栏目导航
* @param parentId
* @param topicNav
* @return
*/
public int modifySubTopicNav(String parentId, String topicNav) {
return topicDAO.updateSubTopicNav(parentId, topicNav);
}
}