dlog_diary_velocitytool.java

个人Blog java编写的Blog可以直接使用！

	 * @param user
	 * @param catalog_id
	 * @param page
	 * @param pageSize
	 * @param withContent 是否需要包含日记详细内容
	 * @return
	 */
	public List list_diary(SiteBean site, SessionUserObject user, int catalog_id, int year,int month,int date,
			int page, int pageSize, boolean withContent) {
		int fromIdx = (page - 1) * pageSize;
		if (fromIdx < 0)
			fromIdx = 0;
		if (pageSize < 1)
			pageSize = 5;
		if (site == null)
			return DiaryDAO.listDiary(year, month, date, fromIdx, pageSize, withContent);
		else
			return DiaryDAO.listDiary(site, user, catalog_id, year,month,date, fromIdx, pageSize, withContent);
	}

	/**
	 * 计算日记数
	 * 
	 * @param site
	 * @param user
	 * @param catalog_id
	 * @return
	 */
	public int diary_count(SiteBean site, SessionUserObject user, int catalog_id, int year, int month, int date) {
		if (site == null)
			return -1;
		return DiaryDAO.getDiaryCount(site, user, catalog_id, year,month,date);
	}
	
	/**
	 * 返回总的日记数，不包括隐藏日记
	 * @return
	 */
	public int public_diary_count(){
		return DiaryDAO.getPublicDiaryCount();
	}
	
	/**
	 * 分页列出某篇日记的评论
	 * @param site
	 * @param user
	 * @param diary
	 * @param page
	 * @param pageSize
	 * @param reverse 是否倒序,如果该值为true则最新评论排在最前面
	 * @return
	 */
	public List replies(SiteBean site, SessionUserObject user, _DiaryBase diary, int page, int pageSize, boolean reverse){
		if (site == null)
			return null;
		if (diary == null || diary.getSite().getId() != site.getId())
			return null;
		if (!CatalogDAO.canUserViewThisCatalog(diary.getCatalog(), user))
			return null;
		int fromIdx = (page - 1) * pageSize;
		if(fromIdx < 0)
			fromIdx = 0;
		return DiaryDAO.listDiaryReplies(diary.getId(), fromIdx, pageSize, reverse);
	}

	/**
	 * 判断用户是否有编辑某篇日记的权限
	 * @param user
	 * @param diary
	 * @return
	 */
	public boolean can_user_edit_diary(SessionUserObject user, _DiaryBase diary){
		if(user==null || diary==null)
			return false;
		if(diary.getOwner().getId()==user.getId())
			return true;
		if(diary.getSite().isOwner(user))
			return true;
		return false;
	}
	
	/**
	 * 列出某个网站的最新日记评论(_diary_top_info.vm, j_replies.vm)
	 * 
	 * @param site
	 * @param user
	 * @param last_reply_id
	 * @param count
	 * @return
	 */
	public List list_diary_replies(SiteBean site, int page, int count, SessionUserObject user) {
		if (site == null)
			return null;
		int fromidx = (page - 1) * count;
		return DiaryDAO.listDiaryReplies(site, fromidx, count, user);
	}

	/**
	 * 获取日记评论总数(j_replies.vm)
	 * @param site
	 * @param user
	 * @return
	 */
	public int diary_reply_count(SiteBean site, SessionUserObject user){
		if(site==null) 
			return -1;
		return DiaryDAO.getDiaryReplyCount(site, user);
	}

	/**
	 * 统计某个月历每天的日记数(_diary_calendar.vm)
	 * @param year
	 * @param month
	 * @return 结果集合中的第一个元素是该月的日记总数外,其他是对应每天的日记数
	 */
	public List diary_counts_by_month(SiteBean site, SessionUserObject user, int year, int month){
		if(site==null) 
			return null;
		Calendar cal = Calendar.getInstance();
		cal.set(Calendar.YEAR, year);
		cal.set(Calendar.MONTH, month-1);
		int[] logc = DiaryDAO.statCalendarLogs(site, user, cal);
		List logcs = new ArrayList();
		for(int i=0;i<logc.length;i++){
			logcs.add(new Integer(logc[i]));
		}
		return logcs;
	}
	
	/**
	 * 得到垃圾箱中日记数(_catalog_and_calendar.vm, trash.vm)
	 * @param site
	 * @param user
	 * @return
	 */
	public int trash_count(SiteBean site, SessionUserObject user){
		if(site==null || user==null)
			return -1;
		if(!site.isOwner(user))
			return -1;
		return DiaryDAO.getTrashCount(site.getId());
	}
	
	/**
	 * 列出垃圾箱中的所有日记(trash.vm)
	 * @param site
	 * @param user
	 * @return
	 */
	public List list_trash(SiteBean site, SessionUserObject user){
		return list_trash(site, user, 1, 0);
	}

	/**
	 * 列出垃圾箱中的所有日记(trash.vm)
	 * @param site
	 * @param user
	 * @return
	 */
	public List list_trash(SiteBean site, SessionUserObject user, int page, int pageSize){
		if(site==null || user==null)
			return null;
		if(!site.isOwner(user))
			return null;
		int fromIdx = (page - 1) * pageSize;
		return DiaryDAO.listTrash(site.getId(), fromIdx, pageSize);
	}
	
	/**
	 * 得到草稿数(_catalog_and_calendar.vm, drafts.vm) 
	 * @param site
	 * @param user
	 * @return
	 */
	public int draft_count(SiteBean site, SessionUserObject user){
		if(site==null || user==null) return -1;
		return DiaryDAO.getDraftCount(site, user.getId());
	}
	
	/**
	 * 得到所有的草稿(drafts.vm)
	 * @param site
	 * @param user
	 * @return
	 */
	public List list_drafts(SiteBean site, SessionUserObject user){
		return list_drafts(site, user, 1, 0);
	}

	public List list_drafts(SiteBean site, SessionUserObject user, int page, int pageSize){
		if(site==null || user==null) return null;
		int fromIdx = (page - 1) * pageSize;		
		return DiaryDAO.listDrafts(site, user.getId(), fromIdx, pageSize);
	}
	
	/**
	 * 访问日记，增加日记的阅读数
	 * @param site
	 * @param user
	 * @param log
	 */
	public void visit_diary(SiteBean site, SessionUserObject user, _DiaryBase diary){
		if(diary!=null && diary.getSite().getId()==site.getId()){
			try{
				DiaryDAO.incViewCount(diary.getId(), 1);
			}catch(Exception e){
				log.error("DLOG_VelocityTool.visit_diary failed.", e);
			}
		}
	}

	/**
	 * 列出指定网站的所有日记分类
	 * 
	 * @param site_id
	 * @param user
	 * @param maintain
	 * @return
	 * @throws HibernateException
	 */
	public List catalogs(SiteBean site, SessionUserObject user, boolean maintain) {
		if (site == null)
			return null;
		if (site.isOwner(user))
			return site.getCatalogs();
		else {
			return CatalogDAO.listCatalogs(site, user, maintain);
		}
	}

	/**
	 * 查询用户在某个站点上可写日记的分类数(_catalog_and_calendar.vm)
	 * @param site
	 * @param user
	 * @return
	 */
	public boolean user_can_blog(SiteBean site, SessionUserObject user){
		if(site == null || user == null)
			return false;
		return CatalogDAO.userCanBlog(site, user);
	}

	/**
	 * 获取某分类的详细资料
	 * @param site
	 * @param user
	 * @param cat_id
	 * @return
	 */
	public CatalogBean catalog(SiteBean site, SessionUserObject user, int cat_id){
		if(site==null || cat_id < 1)
			return null;
		CatalogBean catalog = CatalogDAO.getCatalogByID(cat_id);
		if (catalog != null && catalog.getSite().getId() == site.getId()
				&& CatalogDAO.canUserViewThisCatalog(catalog, user))
			return catalog;
		return null;
	}

	/**
	 * 列出在某个日记分类拥有特殊权限的所有用户
	 * @param site
	 * @param user
	 * @param catalog
	 * @return
	 */
	public List list_special_popedom_users_by_catalog(SiteBean site, SessionUserObject user, CatalogBean catalog){
		if(site==null||user==null||catalog==null)
			return null;
		if(site.isOwner(user) && site.getId()==catalog.getSite().getId())
			return CatalogDAO.listSpecialPopedomUsersByCatalog(catalog.getId());
		return null;
	}
	
}