com.aistor.modules.cms.service.ArticleService.java Source code

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Here is the source code for com.aistor.modules.cms.service.ArticleService.java

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

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

import org.apache.commons.beanutils.ConvertUtils;
import org.apache.commons.lang3.StringEscapeUtils;
import org.apache.lucene.index.Term;
import org.apache.lucene.search.BooleanClause;
import org.apache.lucene.search.BooleanClause.Occur;
import org.apache.lucene.search.BooleanQuery;
import org.apache.lucene.search.Sort;
import org.apache.lucene.search.SortField;
import org.apache.lucene.search.TermQuery;
import org.apache.shiro.SecurityUtils;
import org.hibernate.criterion.DetachedCriteria;
import org.hibernate.criterion.Order;
import org.hibernate.criterion.Restrictions;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
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.aistor.common.persistence.Page;
import com.aistor.common.service.BaseService;
import com.aistor.common.utils.StringUtils;
import com.aistor.modules.cms.dao.ArticleDao;
import com.aistor.modules.cms.dao.CategoryDao;
import com.aistor.modules.cms.entity.Article;
import com.aistor.modules.cms.entity.Category;
import com.aistor.modules.cms.entity.Site;
import com.aistor.modules.sys.utils.UserUtils;

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

    @SuppressWarnings("unused")
    private static Logger logger = LoggerFactory.getLogger(ArticleService.class);

    @Autowired
    private ArticleDao articleDao;
    @Autowired
    private CategoryDao categoryDao;

    public Article get(Long id) {
        return articleDao.findOne(id);
    }

    public Page<Article> find(Page<Article> page, Article article) {
        DetachedCriteria dc = articleDao.createDetachedCriteria();
        dc.createAlias("category", "category");
        dc.createAlias("category.site", "category.site");
        if (article.getCategory() != null && article.getCategory().getId() != null
                && !Category.isRoot(article.getCategory().getId())) {
            Category category = categoryDao.findOne(article.getCategory().getId());
            if (category != null) {
                dc.add(Restrictions.or(Restrictions.eq("category.id", category.getId()),
                        Restrictions.eq("category.parent.id", category.getId()),
                        Restrictions.like("category.parentIds", "%," + category.getId() + ",%")));
                dc.add(Restrictions.eq("category.site.id", category.getSite().getId()));
                article.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(article.getTitle())) {
            dc.add(Restrictions.like("title", "%" + article.getTitle() + "%"));
        }
        if (StringUtils.isNotEmpty(article.getPosid())) {
            dc.add(Restrictions.like("posid", "%," + article.getPosid() + ",%"));
        }
        if (StringUtils.isNotEmpty(article.getThumb()) && "1".equals(article.getThumb())) {
            dc.add(Restrictions.and(Restrictions.isNotNull("thumb"), Restrictions.ne("thumb", "")));
        }
        if (article.getUser() != null && article.getUser().getId() > 0) {
            dc.add(Restrictions.eq("user.id", article.getUser().getId()));
        }
        dc.add(Restrictions.eq("status", article.getStatus()));
        dc.addOrder(Order.desc("weight"));
        dc.addOrder(Order.desc("updateDate"));
        return articleDao.find(page, dc);
    }

    @Transactional(readOnly = false)
    public void save(Article article) {
        if (article.getArticleData().getContent() != null) {
            article.getArticleData()
                    .setContent(StringEscapeUtils.unescapeHtml4(article.getArticleData().getContent()));
        }
        // ????
        if (!SecurityUtils.getSubject().isPermitted("cms:article:audit")) {
            article.setStatus(Article.STATUS_AUDIT);
        }
        if (article.getId() == null) {
            article.setUser(UserUtils.getUser());
        }
        article.setUpdateDate(new Date());
        articleDao.clear();
        articleDao.save(article);
    }

    @Transactional(readOnly = false)
    public void delete(Long id, Boolean isRe) {
        //      articleDao.updateStatus(id, isRe!=null&&isRe?Article.STATUS_RELEASE:Article.STATUS_DELETE);
        // ?
        Article article = articleDao.findOne(id);
        article.setStatus(isRe != null && isRe ? Article.STATUS_RELEASE : Article.STATUS_DELETE);
        articleDao.save(article);
    }

    /**
     * ??
     * @return new Object[]{?Id,Id,}
     */
    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<Article> l = articleDao.findByIdIn(idss);
            for (Article e : l) {
                list.add(new Object[] { e.getCategory().getId(), e.getId(), StringUtils.abbr(e.getTitle(), 50) });
            }
        }
        return list;
    }

    /**
     * 
     */
    @Transactional(readOnly = false)
    public void updateHitsAddOne(Long id) {
        articleDao.updateHitsAddOne(id);
    }

    /**
     * 
     */
    public void createIndex() {
        articleDao.createIndex();
    }

    /**
     * 
     */
    public Page<Article> search(Page<Article> page, String q) {

        // ?
        BooleanQuery query = articleDao.getFullTextQuery(q, "title", "keywords", "desciption",
                "articleData.content");
        // ?
        BooleanQuery queryFilter = articleDao.getFullTextQuery(
                new BooleanClause(new TermQuery(new Term("status", Article.STATUS_RELEASE)), Occur.MUST));
        // ?
        Sort sort = new Sort(new SortField("updateDate", SortField.DOC, true));
        // 
        articleDao.search(page, query, queryFilter, sort);
        // 
        articleDao.keywordsHighlight(query, page.getList(), "desciption", "articleData.content");

        return page;
    }

}