package com.yeshi.fanli.service.impl.help;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.UUID;
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import javax.annotation.Resource;
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import org.springframework.cache.annotation.Cacheable;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import org.yeshi.utils.tencentcloud.COSManager;
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import com.yeshi.fanli.dao.mybatis.help.HelpCenterMapper;
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import com.yeshi.fanli.entity.AppVersionInfo;
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import com.yeshi.fanli.entity.bus.help.HelpCenter;
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import com.yeshi.fanli.entity.bus.help.HelpInfo;
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import com.yeshi.fanli.entity.bus.homemodule.AdActivityVersionControl;
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import com.yeshi.fanli.entity.bus.homemodule.AdActivityVersionControl.AdActivityType;
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import com.yeshi.fanli.exception.config.HelpCenterException;
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import com.yeshi.fanli.service.inter.help.HelpCenterService;
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import com.yeshi.fanli.service.inter.homemodule.AdActivityVersionControlService;
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import com.yeshi.fanli.util.StringUtil;
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import com.yeshi.fanli.util.db.MongoDBManager;
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@Service
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public class HelpCenterServiceImpl implements HelpCenterService {
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@Resource
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private HelpCenterMapper helpCenterMapper;
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@Resource
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private MongoDBManager mongoDBManager;
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@Resource
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private AdActivityVersionControlService adActivityVersionControlService;
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@Override
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public int insertSelective(HelpCenter record) throws HelpCenterException {
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return helpCenterMapper.insertSelective(record);
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}
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@Override
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public int updateByPrimaryKey(HelpCenter record) throws HelpCenterException {
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return helpCenterMapper.updateByPrimaryKey(record);
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}
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@Override
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public int updateByPrimaryKeySelective(HelpCenter record) throws HelpCenterException {
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return helpCenterMapper.updateByPrimaryKeySelective(record);
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}
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@Override
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public HelpCenter selectByPrimaryKey(Long id) throws HelpCenterException {
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return helpCenterMapper.selectByPrimaryKey(id);
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}
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@Override
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public HelpCenter selectByPrimaryKeyCache(Long id) throws HelpCenterException {
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return selectByPrimaryKey(id);
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}
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@Override
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public String save(HelpCenter helpCenter, String content, String html) throws HelpCenterException,Exception {
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if (StringUtil.isNullOrEmpty(helpCenter.getTitle()))
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throw new HelpCenterException(1,"标题不能为空");
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if (helpCenter.getHelpClass() == null || helpCenter.getHelpClass().getId() <= 0)
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throw new HelpCenterException(1,"分类题不能为空");
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helpCenter.setUpdatetime(new Date());
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Long id = helpCenter.getId();
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if (id == null) {
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helpCenter.setCreatetime(new Date());
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helpCenterMapper.insert(helpCenter);
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} else {
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HelpCenter result = helpCenterMapper.selectByPrimaryKey(id);
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if (result == null)
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throw new HelpCenterException(1,"此类内容已不存在，请刷新");
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helpCenter.setCreatetime(result.getCreatetime());
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helpCenter.setWeight(result.getWeight());
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helpCenterMapper.updateByPrimaryKey(helpCenter);
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}
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List<Map<String, Object>> positions = getPosition(html);
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if (positions != null && positions.size() > 0) {
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@SuppressWarnings("restriction")
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sun.misc.BASE64Decoder decoder = new sun.misc.BASE64Decoder();
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for (int i = 0; i < positions.size(); i++) {
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Map<String, Object> map = positions.get(i);
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String base64Img = (String) map.get("base64Img");
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byte[] b = decoder.decodeBuffer(base64Img);
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for (int j = 0; j < b.length; ++j) {
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if (b[j] < 0) {
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b[j] += 256;
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}
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}
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String type = (String) map.get("type");
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// 上传文件相对位置
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String fileUrl = "helpInfo/" + UUID.randomUUID().toString().replace("-", "") + "." +type;
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/* 上传新图片 */
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String uploadFilePath = COSManager.getInstance().uploadFileByte(b, fileUrl).getUrl();
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if (!StringUtil.isNullOrEmpty(uploadFilePath)) {
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String header = (String) map.get("header");
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html = html.replace(header, uploadFilePath);
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}
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}
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}
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String replaceHtml = replaceIframe(html);
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Long backId = helpCenter.getId();
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HelpInfo helpInfo = new HelpInfo(backId, content, replaceHtml);
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mongoDBManager.saveHelpInfo(helpInfo);
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return html;
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}
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public List<Map<String, Object>> getPosition(String content) {
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List<Map<String, Object>> listMap = new ArrayList<Map<String, Object>>();
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// 需要对比的字符串
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String compareStr = "base64";
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String compareStrStart = "data:image/";
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// 字符串查找初始从0开始查找
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int indexStart = 0;
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int indexTypeStart = 0;
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// 获取查找字符串的长度，这里有个规律：第二次查找出字符串的起始位置等于 第一次ab字符串出现的位置+ab的长度
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int compareStrLength = compareStr.length();
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while (true) {
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Map<String, Object> place = new HashMap<String, Object>();
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int tm = content.indexOf(compareStr, indexStart);
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int typetm = content.indexOf(compareStrStart, indexTypeStart);
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if (tm <= 0) {
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// 直到没有匹配结果为止
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break;
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} else {
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// 没查找一次就从新计算下次开始查找的位置
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indexStart = tm + compareStrLength;
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indexTypeStart = typetm + compareStrLength;
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//System.out.println(indexStart);
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//System.out.println(indexTypeStart);
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place.put("start", tm + 7);
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String suffix = content.substring(typetm + 11, tm - 1);
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place.put("type", suffix);
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String newContent = content.substring(tm + 7, content.length());
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char qmark = '"';
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int end = newContent.indexOf(qmark);
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place.put("end", end);
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String base64Img = newContent.substring(0, end);
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place.put("base64Img", base64Img);
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String header = compareStrStart + suffix+ ";" + compareStr +"," +base64Img;
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place.put("header", header);
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listMap.add(place);
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}
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}
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return listMap;
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}
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public String replaceIframe(String html) {
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String result = html;
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// 字符串查找初始从0开始查找
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int indexStart = 0;
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// 需要对比的字符串
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String compareStr = "<iframe";
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int compareStrLength = compareStr.length();
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while (true) {
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int tm = html.indexOf(compareStr, indexStart);
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if (tm <= 0) {
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// 直到没有匹配结果为止
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break;
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} else {
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// 起始位置
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indexStart = tm + compareStrLength;
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// 结束位置
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String newContent = html.substring(tm, html.length());
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int end = newContent.indexOf("</iframe>");
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// 替换指定字段 <iframe src=""></iframe>
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String replaceStr = html.substring(tm, tm + end + 9);
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char qmark = '"';
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// src 起始位置
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int srcindex = replaceStr.indexOf("src=", 0);
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String replaceSrc = replaceStr.substring(srcindex + 5, replaceStr.length());
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// src "结束位置
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int endsrc = replaceSrc.indexOf(qmark, 0);
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String src = replaceSrc.substring(0, endsrc +1);
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String voide = "<video src=\"" + src + " controls=\"controls\"> 您的浏览器不支持video标签，请更新浏览器</video>";
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result = html.replace(replaceStr, voide);
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}
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}
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return result;
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}
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@Override
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public List<HelpCenter> query(int pageIndex, int pageSize, String key, Long cid, Integer orderMode) throws HelpCenterException {
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return helpCenterMapper.query(pageIndex, pageSize, key, cid, orderMode);
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}
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@Override
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public long countQuery(String key, Long cid) throws HelpCenterException {
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return helpCenterMapper.countQuery(key, cid);
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}
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@Override
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@Cacheable(value = "helpCenterCache",key="'queryIdAndTitle-'+#pageIndex+'-'+#key+'-'+#cid")
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public List<HelpCenter> queryIdAndTitle(int pageIndex, int pageSize, String key, Long cid)
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throws HelpCenterException {
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return helpCenterMapper.queryIdAndTitle(pageIndex, pageSize, key, cid);
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}
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@Override
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public int deleteBatchById(List<String> idList) throws HelpCenterException {
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return helpCenterMapper.deleteBatchById(idList);
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}
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@Override
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public HelpInfo getHelpInfo(Long id) throws HelpCenterException {
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return mongoDBManager.getHelpInfo(id);
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}
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@Override
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@Cacheable(value = "helpCenterCache",key="'getHelpInfoCache-'+#id")
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public HelpInfo getHelpInfoCache(Long id) throws HelpCenterException {
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return getHelpInfo(id);
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}
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@Override
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@Transactional(rollbackFor=Exception.class)
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public void deleteInfoBatchById(List<String> idList) throws HelpCenterException {
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if (idList != null) {
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for (String id : idList) {
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mongoDBManager.removeHelpInfo(Long.parseLong(id));
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}
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}
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}
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@Transactional(rollbackFor = Exception.class)
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@Override
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public void setVersions(Long id, List<Long> versions) throws HelpCenterException {
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HelpCenter helpCenter = helpCenterMapper.selectByPrimaryKey(id);
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if (helpCenter == null) {
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throw new HelpCenterException(1, "此信息不存在，请刷新重试");
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}
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Set<Long> oldSet = new HashSet<>();
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List<AdActivityVersionControl> versionList = adActivityVersionControlService
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.listByTypeAndSourceId(AdActivityType.helpCenter, id);
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if (versionList != null) {
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for (AdActivityVersionControl control : versionList)
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oldSet.add(control.getVersion().getId());
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}
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Set<Long> newSet = new HashSet<>();
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for (Long version : versions) {
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newSet.add(version);
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}
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Set<Long> delSet = new HashSet<>();
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delSet.addAll(oldSet);
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delSet.removeAll(newSet);
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for (Long versionId : delSet) {
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adActivityVersionControlService.deleteBySourceAndVersion(id, AdActivityType.helpCenter, versionId);
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}
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Set<Long> addSet = new HashSet<>();
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addSet.addAll(newSet);
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addSet.removeAll(oldSet);
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// 添加映射
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for (Long versionId : addSet) {
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AdActivityVersionControl control = new AdActivityVersionControl();
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control.setCreateTime(new Date());
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control.setSourceId(id);
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control.setType(AdActivityType.helpCenter);
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control.setVersion(new AppVersionInfo(versionId));
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try {
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adActivityVersionControlService.addVersionControl(control);
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} catch (Exception e) {
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throw new HelpCenterException(2, e.getMessage());
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}
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}
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}
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}
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