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

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Here is the source code for com.aistor.modules.cms.service.CategoryService.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.List;

import org.apache.commons.lang3.StringUtils;
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.modules.cms.dao.CategoryDao;
import com.aistor.modules.cms.entity.Category;
import com.aistor.modules.cms.entity.Site;
import com.aistor.modules.cms.utils.CmsUtils;
import com.aistor.modules.sys.utils.UserUtils;

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

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

    @Autowired
    private CategoryDao categoryDao;

    public Category get(Long id) {
        return categoryDao.findOne(id);
    }

    public List<Category> findByUser(boolean isCurrentSite) {
        List<Category> list = UserUtils.getCategoryList();
        if (isCurrentSite) {
            List<Category> categoryList = Lists.newArrayList();
            for (Category e : list) {
                if (Category.isRoot(e.getId()) || (e.getSite() != null && e.getSite().getId() != null
                        && e.getSite().getId().longValue() == Site.getCurrentSiteId())) {
                    categoryList.add(e);
                }
            }
            return categoryList;
        } else {
            return list;
        }
    }

    public List<Category> findByUserAndModule(String module) {
        List<Category> categoryList = Lists.newArrayList();
        List<Category> list = UserUtils.getCategoryListByModule(module);
        for (Category e : list) {
            if (Category.isRoot(e.getId()) || (e.getSite() != null && e.getSite().getId() != null
                    && e.getSite().getId().longValue() == Site.getCurrentSiteId())) {
                categoryList.add(e);
            }
        }
        return categoryList;
    }

    public List<Category> findByParentId(Long parentId, Long siteId) {
        return categoryDao.findByParentId(parentId, siteId);
    }

    public Page<Category> find(Page<Category> page, Category category) {
        DetachedCriteria dc = categoryDao.createDetachedCriteria();
        if (category.getSite() != null && category.getSite().getId() != null) {
            dc.createAlias("site", "site");
            dc.add(Restrictions.eq("site.id", category.getSite().getId()));
        }
        if (category.getParent() != null && category.getParent().getId() != null) {
            dc.createAlias("parent", "parent");
            dc.add(Restrictions.eq("parent.id", category.getParent().getId()));
        }
        if (StringUtils.isNotBlank(category.getInMenu())) {
            dc.add(Restrictions.eq("inMenu", category.getInMenu()));
        }
        dc.add(Restrictions.eq("delFlag", Category.DEL_FLAG_NORMAL));
        dc.addOrder(Order.asc("site.id")).addOrder(Order.asc("sort"));
        return categoryDao.find(page, dc);
        //      page.setSpringPage(categoryDao.findByParentId(category.getParent().getId(), page.getSpringPage()));
        //      return page;
    }

    @Transactional(readOnly = false)
    public void save(Category category) {
        category.setSite(new Site(Site.getCurrentSiteId()));
        category.setParent(this.get(category.getParent().getId()));
        String oldParentIds = category.getParentIds(); // ??parentIds?parentIds
        category.setParentIds(category.getParent().getParentIds() + category.getParent().getId() + ",");
        if (category.getId() == null) {
            category.setUser(UserUtils.getUser());
        }
        categoryDao.clear();
        categoryDao.save(category);
        // ? parentIds
        List<Category> list = categoryDao.findByParentIdsLike("%," + category.getId() + ",%");
        for (Category e : list) {
            e.setParentIds(e.getParentIds().replace(oldParentIds, category.getParentIds()));
        }
        categoryDao.save(list);
        UserUtils.removeCache("categoryList");
        CmsUtils.removeCache("mainNavList_" + category.getSite().getId());
    }

    @Transactional(readOnly = false)
    public void delete(Long id) {
        Category category = get(id);
        if (category != null) {
            categoryDao.deleteById(id, "%," + id + ",%");
            UserUtils.removeCache("categoryList");
            CmsUtils.removeCache("mainNavList_" + category.getSite().getId());
        }
    }

}