1using System;
  2using System.Collections;
  3using System.Collections.Generic;
  4using NBBS.Entity;
  5using NBBS.IDAL;
  6
  7namespace NBBS.IBLL
  8...{
  9    /**//// <summary>
 10    /// 业务逻辑层接口——帖子
 11    /// </summary>
 12    public interface IPostBLL
 13    ...{
 14        /**//// <summary>
 15        /// 添加帖子
 16        /// </summary>
 17        /// <param name="post">实体类</param>
 18        /// <returns>是否成功</returns>
 19        bool Add(PostInfo post);
 20
 21        /**//// <summary>
 22        /// 删除帖子
 23        /// </summary>
 24        /// <param name="id">欲删除帖子的ID</param>
 25        /// <returns>是否成更</returns>
 26        bool Remove(int id);
 27
 28        /**//// <summary>
 29        /// 更新帖子信息
 30        /// </summary>
 31        /// <param name="post">实体类</param>
 32        /// <returns>是否成功</returns>
 33        bool UpdateInformation(PostInfo post);
 34
 35        /**//// <summary>
 36        /// 按ID取得某帖子信息
 37        /// </summary>
 38        /// <param name="id">帖子ID</param>
 39        /// <returns>实体类</returns>
 40        PostInfo GetByID(int id);
 41
 42        /**//// <summary>
 43        /// 取得最后发表的帖子
 44        /// </summary>
 45        /// <returns>帖子实体类</returns>
 46        PostInfo GetLastPost(int boardId);
 47
 48        /**//// <summary>
 49        /// 按版面取得帖子信息
 50        /// </summary>
 51        /// <param name="boardId">版面ID</param>
 52        /// <returns>帖子实体类集合</returns>
 53        IList<PostInfo> GetByBoard(int boardId);
 54
 55        /**//// <summary>
 56        /// 搜索帖子
 57        /// </summary>
 58        /// <param name="keyword">关键字</param>
 59        /// <returns>帖子实体类集合</returns>
 60        IList<PostInfo> GetBySearch(string keyword);
 61
 62        /**//// <summary>
 63        /// 按版面及分页取得帖子信息
 64        /// </summary>
 65        /// <param name="boardId">版面ID</param>
 66        /// <param name="pageNumber">页码</param>
 67        /// <param name="itemsPerPage">每页多少个条目</param>
 68        /// <returns>帖子实体类集合</returns>
 69        IList<PostInfo> GetByBoardAndPage(int boardId,int pageNumber,int itemsPerPage);
 70
 71        /**//// <summary>
 72        /// 按主题及分页取得帖子信息
 73        /// </summary>
 74        /// <param name="postId">主题ID</param>
 75        /// <param name="pageNumber">页码</param>
 76        /// <param name="itemsPerPage">每页多少个条目</param>
 77        /// <returns>帖子实体类集合</returns>
 78        IList<PostInfo> GetByPostAndPage(int postId, int pageNumber, int itemsPerPage);
 79
 80        /**//// <summary>
 81        /// 取得全部主题数量
 82        /// </summary>
 83        /// <returns>全部主题数量</returns>
 84        int GetThemeCount();
 85
 86        /**//// <summary>
 87        /// 取得全部帖子数量
 88        /// </summary>
 89        /// <returns>全部帖子数量</returns>
 90        int GetCount();
 91
 92        /**//// <summary>
 93        /// 按版面取得帖子记录数量
 94        /// </summary>
 95        /// <param name="boardId">版面ID</param>
 96        /// <returns>帖子记录数量</returns>
 97        int GetCountByBoard(int boardId);
 98
 99        /**//// <summary>
100        /// 按主题取得帖子记录数量
101        /// </summary>
102        /// <param name="postId">主题ID</param>
103        /// <returns>帖子记录数量</returns>
104        int GetCountByPost(int postId);
105    }
106}
107