blogreviewserviceimpl.java

EasyJF开源Blog系统是一个由EasyJF开源团队组织开发的基于Java平台的开源博客系统。当前Blog已经实现了基本的基本的博客的书写、流量统计、排名、个人像册、RSS、支持自定义模板、静态h

package com.easyjf.blog.logic.impl;

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

import com.easyjf.blog.domain.BlogNewsDoc;
import com.easyjf.blog.domain.BlogReview;
import com.easyjf.blog.logic.BlogNewsDocService;
import com.easyjf.blog.logic.CurrentUser;
import com.easyjf.web.tools.DbPageList;
import com.easyjf.web.tools.IPageList;

public class BlogReviewServiceImpl extends DAOSupportService implements
		com.easyjf.blog.logic.BlogReviewService {
	private BlogNewsDocService blogDocService=BlogCoreServiceImpl.getInstance();
	private static BlogReviewServiceImpl singleton = new BlogReviewServiceImpl();

	public static BlogReviewServiceImpl getInstance() {
		return singleton;
	}

	public BlogReview getBlogReview(String cid) {
		// TODO Auto-generated method stub
		return (BlogReview) this.dao.get(BlogReview.class, cid);
	}

	public Number getReviewNum(String parentId) {
		// TODO Auto-generated method stub
		String scope = "parentId=? ";
		java.util.Collection paras = new java.util.ArrayList();
		paras.add(parentId);
		return (Number)this.dao.uniqueResult("select count(*) from BlogReview where "+scope,paras);
	}

	public boolean addBlogReview(BlogReview review) {
		boolean ret = false;
		BlogNewsDoc doc=blogDocService.getBlogNewsDoc(review.getParentId());
		review.setBelongUser(doc.getInputUser());
		review.setInputTime(new Date());
		if(CurrentUser.getActiveUser()!=null)
		review.setInputUser(CurrentUser.getActiveUser().getUserName());
		
		ret = this.dao.save(review);
		if(ret)
			{doc.setReplyNum(new Integer(doc.getReplyNum()!=null?doc.getReplyNum().intValue()+1:1));
			blogDocService.updateBlogNewsDoc(doc);
			}
		return ret;
	}

	public int batchDelBlogReview(String[] cids) {
		int ret = 0;
		for (int i = 0; i < cids.length; i++) {
			if (delBlogReview(cids[i]))
				ret++;
		}
		return ret;
	}

	public boolean delBlogReview(String cid) {
		boolean ret = false;
		BlogReview review=getBlogReview(cid);
		ret = this.dao.del(review);
		BlogNewsDoc doc=blogDocService.getBlogNewsDoc(review.getParentId());
		if(ret)if(ret)doc.setReplyNum(new Integer(doc.getReplyNum()!=null?doc.getReplyNum().intValue()-1:0));
		return ret;
	}

	public boolean updateBlogReview(BlogReview review) {
		boolean ret = false;
		ret = this.dao.update(review);
		return ret;
	}

	public IPageList queryBlogReview(String parentId, int currentPage,
			int pageSize) {
		String scope = "parentId=? order by inputTime";
		Collection paras = new java.util.ArrayList();
		paras.add(parentId);
		DbPageList pList = new DbPageList(BlogReview.class, scope, paras);
		pList.doList(currentPage, pageSize);
		return pList;
	}

	public List getTopReviews(String userName, int topNum) {
		String scope = "belongUser=? order by inputTime desc";
		java.util.Collection paras = new java.util.ArrayList();
		paras.add(userName);
		DbPageList pList = new DbPageList(BlogReview.class, scope, paras);
		pList.doList(1, topNum);
		return pList.getResult();
	}

	public IPageList queryUserBlogReviews(String userName, int currentPage, int pageSize) {
		String scope = "belongUser=? order by inputTime";
		java.util.Collection paras = new java.util.ArrayList();
		paras.add(userName);
		DbPageList pList = new DbPageList(BlogReview.class, scope, paras);
		pList.doList(currentPage, pageSize);
		return pList;
	}

}