com.green.modules.cms.service.LinkService.java Source code

Introduction

Here is the source code for com.green.modules.cms.service.LinkService.java

Source

/**
 * Copyright &copy; 2012-2013 <a href="https://github.com/thinkgem/jeesite">JeeSite</a> All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 */
package com.green.modules.cms.service;

import java.util.Date;
import java.util.List;

import org.apache.commons.beanutils.ConvertUtils;
import org.apache.commons.lang3.time.DateUtils;
import org.apache.shiro.SecurityUtils;
import org.hibernate.criterion.DetachedCriteria;
import org.hibernate.criterion.Order;
import org.hibernate.criterion.Restrictions;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import com.google.common.collect.Lists;
import com.green.common.persistence.Page;
import com.green.common.service.BaseService;
import com.green.common.utils.CacheUtils;
import com.green.common.utils.StringUtils;
import com.green.modules.cms.dao.CategoryDao;
import com.green.modules.cms.dao.LinkDao;
import com.green.modules.cms.entity.Article;
import com.green.modules.cms.entity.Category;
import com.green.modules.cms.entity.Link;
import com.green.modules.cms.entity.Site;
import com.green.modules.sys.utils.UserUtils;

/**
 * Service
 * @author ThinkGem
 * @version 2013-01-15
 */
@Service
@Transactional(readOnly = true)
public class LinkService extends BaseService {

    @Autowired
    private LinkDao linkDao;

    @Autowired
    private CategoryDao categoryDao;

    public Link get(String id) {
        return linkDao.get(id);
    }

    @Transactional(readOnly = false)
    public Page<Link> find(Page<Link> page, Link link, boolean isDataScopeFilter) {
        // ??6??
        Date updateExpiredWeightDate = (Date) CacheUtils.get("updateExpiredWeightDateByLink");
        if (updateExpiredWeightDate == null
                || (updateExpiredWeightDate != null && updateExpiredWeightDate.getTime() < new Date().getTime())) {
            linkDao.updateExpiredWeight();
            CacheUtils.put("updateExpiredWeightDateByLink", DateUtils.addHours(new Date(), 6));
        }
        DetachedCriteria dc = linkDao.createDetachedCriteria();
        dc.createAlias("category", "category");
        dc.createAlias("category.site", "category.site");
        if (link.getCategory() != null && StringUtils.isNotBlank(link.getCategory().getId())
                && !Category.isRoot(link.getCategory().getId())) {
            Category category = categoryDao.get(link.getCategory().getId());
            if (category != null) {
                dc.add(Restrictions.or(Restrictions.eq("category.id", category.getId()),
                        Restrictions.like("category.parentIds", "%," + category.getId() + ",%")));
                dc.add(Restrictions.eq("category.site.id", category.getSite().getId()));
                link.setCategory(category);
            } else {
                dc.add(Restrictions.eq("category.site.id", Site.getCurrentSiteId()));
            }
        } else {
            dc.add(Restrictions.eq("category.site.id", Site.getCurrentSiteId()));
        }
        if (StringUtils.isNotEmpty(link.getTitle())) {
            dc.add(Restrictions.like("title", "%" + link.getTitle() + "%"));
        }
        if (link.getCreateBy() != null && StringUtils.isNotBlank(link.getCreateBy().getId())) {
            dc.add(Restrictions.eq("createBy.id", link.getCreateBy().getId()));
        }
        if (isDataScopeFilter) {
            dc.createAlias("category.office", "categoryOffice").createAlias("createBy", "createBy");
            dc.add(dataScopeFilter(UserUtils.getUser(), "categoryOffice", "createBy"));
        }
        dc.add(Restrictions.eq(Link.FIELD_DEL_FLAG, link.getDelFlag()));
        dc.addOrder(Order.desc("weight"));
        dc.addOrder(Order.desc("updateDate"));
        return linkDao.find(page, dc);
    }

    @Transactional(readOnly = false)
    public void save(Link link) {
        // ????
        if (!SecurityUtils.getSubject().isPermitted("cms:link:audit")) {
            link.setDelFlag(Link.DEL_FLAG_AUDIT);
        }
        // ?????
        if (link.getCategory() != null && StringUtils.isNotBlank(link.getCategory().getId())) {
            Category category = categoryDao.get(link.getCategory().getId());
            if (!Article.YES.equals(category.getIsAudit())) {
                link.setDelFlag(Article.DEL_FLAG_NORMAL);
            }
        }
        linkDao.clear();
        linkDao.save(link);
    }

    @Transactional(readOnly = false)
    public void delete(String id, Boolean isRe) {
        linkDao.updateDelFlag(id, isRe != null && isRe ? Link.DEL_FLAG_NORMAL : Link.DEL_FLAG_DELETE);
    }

    /**
     * ??
     */
    public List<Object[]> findByIds(String ids) {
        List<Object[]> list = Lists.newArrayList();
        Long[] idss = (Long[]) ConvertUtils.convert(StringUtils.split(ids, ","), Long.class);
        if (idss.length > 0) {
            List<Link> l = linkDao.findByIdIn(idss);
            for (Link e : l) {
                list.add(new Object[] { e.getId(), StringUtils.abbr(e.getTitle(), 50) });
            }
        }
        return list;
    }

}