package com.qxueyou.scc.teach.res.service.impl;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import javax.annotation.PostConstruct;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.context.ApplicationContext;
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import org.springframework.scheduling.annotation.Scheduled;
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import org.springframework.stereotype.Service;
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import com.alibaba.druid.util.StringUtils;
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import com.alibaba.fastjson.JSONObject;
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import com.qxueyou.scc.admin.classes.service.IClassLectureService;
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import com.qxueyou.scc.base.model.FileMeta;
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import com.qxueyou.scc.base.model.Pager;
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import com.qxueyou.scc.base.model.Result;
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import com.qxueyou.scc.base.service.ICacheService;
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import com.qxueyou.scc.base.service.impl.CommonAppService;
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import com.qxueyou.scc.base.util.ClientUtils;
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import com.qxueyou.scc.base.util.CollectionUtils;
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import com.qxueyou.scc.base.util.TraceUtils;
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import com.qxueyou.scc.teach.res.model.Res;
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import com.qxueyou.scc.teach.res.model.ResDir;
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import com.qxueyou.scc.teach.res.model.ResLib;
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import com.qxueyou.scc.teach.res.service.IResItemService;
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import com.qxueyou.scc.teach.res.service.IResService;
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import com.qxueyou.scc.teach.subject.service.impl.SubjectLectureService;
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/**
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* 资源服务
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*
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* @author 夏德虎
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*/
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@Service
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public class ResService extends CommonAppService implements IResService {
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public static final String RES_TOUPDATE_CONVER_STATUS_LST = "RES_TOUPDATE_CONVER_STATUS_LST";
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private static final String RES_DIR_ROOT = "0";
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@Autowired
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ICacheService cacheService;
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@Autowired
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private ApplicationContext appContext;
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@Autowired
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private IClassLectureService classLectureService;
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/**
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* 各类型资源服务实现
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*/
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private Map<String, IResItemService> resItemServiceMap = new HashMap<String, IResItemService>(6);
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@PostConstruct
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private void init() {
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registerResItemService(appContext.getBean("ResItemVideoService", IResItemService.class));
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registerResItemService(appContext.getBean("ResItemAudioService", IResItemService.class));
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registerResItemService(appContext.getBean("ResItemDocService", IResItemService.class));
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registerResItemService(appContext.getBean("ResItemExerciseService", IResItemService.class));
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registerResItemService(appContext.getBean("ResItemArticleService", IResItemService.class));
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}
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private void registerResItemService(IResItemService service) {
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resItemServiceMap.put(service.getResItemType(), service);
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}
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/*
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* (non-Javadoc)
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*
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* @see com.qxueyou.scc.teach.res.service.IResService#add(java.lang.String,
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* java.lang.String, java.lang.String, java.lang.String)
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*/
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@Override
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public Result add(String dirId, String itemDestId, String name, String remark, String type, String coverPageUrl) {
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ResDir dir = read(ResDir.class, dirId);
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String resItemId = resItemServiceMap.get(type).add(itemDestId, name);
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Res res = new Res();
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TraceUtils.setCreateTrace(res);
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res.setCoverPageUrl(coverPageUrl);
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res.setItemDestId(resItemId);
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res.setName(name);
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res.setStatus(Res.STATUS_DRAFT);
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res.setType(type);
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res.setResDirId(dirId);
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res.setRemark(remark);
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res.setLibId(dir.getLibId());
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save(res);
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return new Result(true, "success", CollectionUtils.newStringMap("resId", res.getResId()));
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}
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@Override
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public Result addBatchRes(String dirId, String type, List<FileMeta> items) {
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ResDir dir = read(ResDir.class, dirId);
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Res res = null;
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for (FileMeta fileMeta : items) {
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String name = fileMeta.getFileName();
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String resItemId = resItemServiceMap.get(type).add(fileMeta.getFileId(), name);
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res = new Res();
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TraceUtils.setCreateTrace(res);
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res.setItemDestId(resItemId);
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res.setName(name);
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res.setStatus(Res.STATUS_DRAFT);
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res.setType(type);
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res.setLibId(dir.getLibId());
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res.setResDirId(dirId);
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save(res);
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}
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return Result.SUCCESS;
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}
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/*
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* (non-Javadoc)
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*
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* @see com.qxueyou.scc.teach.res.service.IResService#update(java.lang.String,
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* java.lang.String, java.lang.String)
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*/
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@Override
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public Result update(String resId, String name, String remark, String coverPageUrl) {
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Res res = read(Res.class, resId);
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resItemServiceMap.get(res.getType()).update(res.getItemDestId(), name);
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TraceUtils.setUpdateTrace(res);
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res.setName(name);
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res.setCoverPageUrl(coverPageUrl);
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res.setRemark(remark);
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res.setStatus(Res.STATUS_DRAFT);
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save(res);
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return new Result(true, "success");
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}
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/*
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* (non-Javadoc)
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*
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* @see com.qxueyou.scc.teach.res.service.IResService#delete(java.lang.String[])
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*/
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@Override
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public Result delete(String[] resIds) {
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for (String resId : resIds) {
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delete(resId);
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}
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return new Result(true, "success");
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}
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/**
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* @param resId 资源id
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* @return
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*/
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private Result delete(String resId) {
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Res res = read(Res.class, resId);
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TraceUtils.setUpdateTrace(res);
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res.setDeleteFlag(true);
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save(res);
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return new Result(true, "success");
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}
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@Override
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public Result doCopy(String resId, String destDirId, String name) {
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// TODO Auto-generated method stub
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return null;
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}
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@Override
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public Result doMove(String resId, String destDirId, String name) {
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// TODO Auto-generated method stub
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return null;
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}
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@Override
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public List<Res> listRes(String dirId, String text, Integer pageSize, Integer pageNum, String type) {
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StringBuffer hql = new StringBuffer("from Res where deleteFlag is false and name like ? and resDirId=? ");
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List<Object> args = CollectionUtils.newList(text + "%", dirId);
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if (!StringUtils.isEmpty(type)) {
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hql.append(" and type=?");
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args.add(type);
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}
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hql.append(" order by createTime desc");
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List<Res> result = findList(hql.toString(), new Pager(pageSize, pageNum), args, Res.class);
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return result;
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}
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@Override
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public List<Res> listMyRes(String keyword, Integer pageSize, Integer pageNum, String type) {
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ResLib lib = readUserLib();
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StringBuffer hql = new StringBuffer("from Res where deleteFlag is false and libId=? and status ='draft'");
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List<Object> args = CollectionUtils.newList(lib.getLibId());
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if (!StringUtils.isEmpty(type)) {
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hql.append(" and type=?");
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args.add(type);
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}
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if (!StringUtils.isEmpty(keyword)) {
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hql.append(" and name like ?");
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args.add("%" + keyword + "%");
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}
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hql.append(" order by updateTime desc");
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List<Res> result = findList(hql.toString(), new Pager(pageSize, pageNum), args, Res.class);
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return result;
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}
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@Override
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public int listMyResCount(String text, String type) {
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ResLib lib = readUserLib();
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StringBuffer hql = new StringBuffer("from Res where deleteFlag is false and libId=? and status ='draft'");
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List<Object> args = CollectionUtils.newList(lib.getLibId());
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if (!StringUtils.isEmpty(type)) {
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hql.append(" and type=?");
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args.add(type);
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}
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if (!StringUtils.isEmpty(text)) {
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hql.append(" and name like ?");
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args.add("%" + text + "%");
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}
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hql.append(" order by updateTime desc");
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return findCount(hql.toString(), args);
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}
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@Override
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public List<Res> listResByLib(String libType, String ownerId, String keyword, Integer pageSize, Integer pageNum,
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String resType) {
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ResLib lib = this.getResLib(libType, ownerId);
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StringBuffer hql = new StringBuffer(
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"from Res where deleteFlag is false and name like ? and libId like ? and status=? order by updateTime desc");
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List<Object> args = CollectionUtils.newList(keyword + "%", lib == null ? "%" : lib.getLibId() + "%",Res.STATUS_DRAFT);
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if (!StringUtils.isEmpty(resType)) {
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hql.append(" and type=?");
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args.add(resType);
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}
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List<Res> result = findList(hql.toString(), new Pager(pageSize, pageNum), args, Res.class);
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return result;
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}
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@Override
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public int listResCountByLib(String libType, String ownerId, String text, String resType) {
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ResLib lib = this.getResLib(libType, ownerId);
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StringBuffer hql = new StringBuffer("from Res where deleteFlag is false and libId like ? order by updateTime desc");
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List<Object> args = CollectionUtils.newList(null == lib ? "%" : lib.getLibId()+"%");
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if (!StringUtils.isEmpty(resType)) {
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hql.append(" and type=?");
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args.add(resType);
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}
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return findCount(hql.toString(), args);
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}
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@Override
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public int listResCount(String dirId, String text, String type) {
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String hql = "from Res where resDirId=? and deleteFlag is false and name like ? ";
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List<Object> args = CollectionUtils.newList(dirId, text + "%");
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if (!StringUtils.isEmpty(type)) {
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hql = hql.concat(" and type = ?");
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args.add(type);
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}
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return findCount(hql, args);
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}
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@Override
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public Result readAccessPath(String resId, String attribute) {
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Res res = read(Res.class, resId);
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String type="0";
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// Object path = Res.FILE_TYPE_VIDEO.equals(res.getType())? JSONObject.parse(resItemServiceMap.get(res.getType()).readAccessPath(res.getItemDestId(), attribute)):CollectionUtils.newObjectMap("path", resItemServiceMap.get(res.getType()).readAccessPath(res.getItemDestId(), attribute));
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Object path = Res.FILE_TYPE_VIDEO.equals(type)? resItemServiceMap.get(type).readAccessPath(res.getItemDestId(), attribute):resItemServiceMap.get(type).readAccessPath(res.getItemDestId(), attribute);
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if(Res.FILE_TYPE_DOC.equals(res.getType())) {
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return new Result(true, "success",
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CollectionUtils.newObjectMap("path", path, "name", res.getName(), "coverPageUrl", res.getCoverPageUrl(), "size",
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this.classLectureService.readDocPageCount(res.getItemDestId())));//文件的页数
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}else {
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return new Result(true, "success",
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CollectionUtils.newObjectMap("path", path, "name", res.getName(), "coverPageUrl", res.getCoverPageUrl(), "size", 0));
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}
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}
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@Override
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public Result addDir(String parentDirId, String name) {
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ResDir parent = read(ResDir.class, parentDirId);
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ResDir resDir = new ResDir();
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TraceUtils.setCreateTrace(resDir);
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resDir.setName(name);
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resDir.setParentDirId(parentDirId);
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resDir.setLibId(null == parent ? null : parent.getLibId());
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save(resDir);
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return new Result(true, "success", CollectionUtils.newObjectMap("dirId", resDir.getDirId(), "name", name));
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}
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@Override
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public ResDir readDir(String dirId) {
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return read(ResDir.class, dirId);
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}
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@Override
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public Result updateDir(String dirId, String name) {
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ResDir resDir = read(ResDir.class, dirId);
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TraceUtils.setUpdateTrace(resDir);
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resDir.setName(name);
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save(resDir);
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return new Result(true, "success", CollectionUtils.newObjectMap("dirId", resDir.getDirId(), "name", name));
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}
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@Override
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public Result deleteDir(String[] dirIds) {
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for (String dirId : dirIds) {
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deleteFile4Dir(dirId);// 删除对应的文件
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deleteDir(dirId);
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}
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return new Result(true, "success");
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}
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private void deleteDir(String dirId) {
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ResDir resDir = read(ResDir.class, dirId);
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TraceUtils.setUpdateTrace(resDir);
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resDir.setDeleteFlag(true);
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save(resDir);
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}
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/**
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* 删除资源库文件夹对应删除文件
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*
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* @param dirId 文件夹id
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*/
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@Override
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public void deleteFile4Dir(String dirId) {
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String[] dirIds = dirId.split(",");
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this.bulkUpdateInLoop("update Res set deleteFlag = true where deleteFlag is false and resDirId = ?", dirIds);
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}
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@Override
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public ResDir doGetRootDir(String type, String ownerId) {
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ResLib lib = getResLib(type, ownerId);
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// 无资源库则初始化,并返回根节点
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if (lib == null) {
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Result result = initResLib(type, ownerId);
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return read(ResDir.class, result.getDataT("rootDirId"));
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}
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// System.out.println(lib.getRootDirId());
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return read(ResDir.class, lib.getRootDirId());
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}
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@Override
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public List<ResDir> doGetMyLibChildDirs(String parentDirId) {
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return doGetChildDirsInner(parentDirId, ResLib.OWNNER_TYPE_USER);
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}
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private List<ResDir> doGetChildDirsInner(String parentDirId, String type) {
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// 根节点的处理
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if (StringUtils.isEmpty(parentDirId)) {
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ResLib lib = getResLib(type, ClientUtils.getUserId());
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// 无资源库则初始化,并返回根节点
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if (lib == null) {
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Result result = initUserLib();
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return CollectionUtils.newList(ResDir.class, read(ResDir.class, result.getDataT("rootDirId")));
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}
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return CollectionUtils.newList(ResDir.class, read(ResDir.class, lib.getRootDirId()));
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}
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return listDir(parentDirId);
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}
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private List<ResDir> listDir(String parentDirId) {
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String hql = "from ResDir where parentDirId=? and deleteFlag is false";
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List<ResDir> result = find(hql, CollectionUtils.newList(parentDirId), ResDir.class);
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return result;
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}
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@Override
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public Res read(String resId) {
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return read(Res.class, resId);
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}
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@Override
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public Result initUserLib() {
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return initResLib(ResLib.OWNNER_TYPE_USER, ClientUtils.getUserId());
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}
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private Result initResLib(String type, String ownerId) {
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String hql = "from ResLib where ownerId=? and ownerType=? and deleteFlag is false";
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ResLib lib = findUnique(hql, CollectionUtils.newList(ownerId, type), ResLib.class);
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if (lib == null) {
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Result result = addDir(RES_DIR_ROOT, "根目录");
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lib = new ResLib();
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TraceUtils.setCreateTrace(lib);
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lib.setOwnerId(ownerId);
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lib.setOwnerType(type);
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lib.setRootDirId(result.getDataT("dirId"));
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save(lib);
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ResDir root = read(ResDir.class, result.getDataT("dirId"));
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root.setLibId(lib.getLibId());
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save(root);
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return new Result(true, "success",
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CollectionUtils.newStringMap("rootDirId", lib.getRootDirId(), "libId", lib.getLibId()));
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}
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return new Result(true, "success",
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CollectionUtils.newStringMap("rootDirId", lib.getRootDirId(), "libId", lib.getLibId()));
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}
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@Override
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public ResLib readUserLib() {
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String hql = "from ResLib where ownerId=? and ownerType=? and deleteFlag is false";
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ResLib lib = findUnique(hql, CollectionUtils.newList(ClientUtils.getUserId(), ResLib.OWNNER_TYPE_USER),
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ResLib.class);
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return lib;
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}
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@Override
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public ResLib getResLib(String type, String ownerId) {
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String hql = "from ResLib where ownerId=? and ownerType=? and deleteFlag is false";
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return findUnique(hql, CollectionUtils.newList(ownerId, type), ResLib.class);
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}
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@Override
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public List<ResDir> doGetChildDirs(String parentDirId, String type) {
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return doGetChildDirsInner(parentDirId, type);
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}
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/**
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* 定时器监控转码完成后设置同步res表的状态
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*/
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@Scheduled(cron = "0/2 * * * * ?")
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public void doTimer() {
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String itemDestId = cacheService.lstLeftPop(RES_TOUPDATE_CONVER_STATUS_LST);
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if (StringUtils.isEmpty(itemDestId)) {
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return;
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}
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Res res = findUnique("from Res where deleteFlag is false and itemDestId = ?",
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CollectionUtils.newList(itemDestId), Res.class);
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res.setStatus(Res.STATUS_DRAFT);
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TraceUtils.setUpdateTrace(res);
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save(res);
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cacheService.lstRightPush(SubjectLectureService.RES_LECTURE_CONVER_LST, res.getResId());
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}
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}
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