| public static GetPostInfo ( string postTableId, int pid ) : Discuz.Entity.PostInfo | ||
| postTableId | string | |
| pid | int | |
| return | Discuz.Entity.PostInfo | |
/// <summary>
/// 删除指定ID的帖子
/// </summary>
/// <param name="postTableId">帖子所在分表Id</param>
/// <param name="pid">帖子ID</param>
/// <param name="chanagePostStatistic">是否更新帖子数量统计</param>
/// <returns>删除数量</returns>
public static int DeletePost(string postTableId, int pid, bool chanagePostStatistic)
{
if (Users.appDBCache && Users.IUserService != null)
{
PostInfo postInfo = GetPostInfo(postTableId, pid);
if (postInfo != null)
{
Users.IUserService.DeleteUsers(postInfo.Posterid.ToString());
}
}
int tid = 0;//该变量用于获取帖子所属TID，用于后面的CACHE缓存更新
if (Topics.appDBCache && Topics.ITopicService != null)
{
PostInfo postInfo = Posts.GetPostInfo(postTableId, pid);
if (postInfo != null)
{
tid = postInfo.Tid;
}
}
int result = DatabaseProvider.GetInstance().DeletePost(postTableId, pid, chanagePostStatistic);
if (Topics.appDBCache && Topics.ITopicService != null && tid > 0)
{
Topics.ITopicService.ResetTopicByTid(tid);
}
//更新Cache缓存中的帖子信息
if (appDBCache && IPostService != null)
{
IPostService.DeletePost(postTableId, pid);
}
return(result);
}
/// <summary>
/// 删除指定附件id的附件同时更新主题和帖子中的附件个数
/// </summary>
/// <param name="aid">附件id</param>
/// <param name="pid">附件所属帖子id</param>
/// <param name="tid">附件所属主题id</param>
private static void DeleteAttachment(string aidlist, int pid, int tid)
{
if (appDBCache)
{
IAttachmentService.DeleteAttachment(aidlist);
}
DatabaseProvider.GetInstance().DelMyAttachmentByAid(aidlist);
if (tid > 0)
{
if (DatabaseProvider.GetInstance().GetAttachmentCountByPid(pid) <= 0)
{
string postTableId = PostTables.GetPostTableId(tid);
DatabaseProvider.GetInstance().UpdatePostAttachment(pid, postTableId, 0);
if (Posts.appDBCache)
{
PostInfo postInfo = Posts.GetPostInfo(postTableId, pid);
postInfo.Attachment = 0;
Posts.IPostService.UpdatePost(postInfo, postTableId);
}
}
if (DatabaseProvider.GetInstance().GetAttachmentCountByTid(tid) <= 0)
{
DatabaseProvider.GetInstance().UpdateTopicAttachment(tid, 0);
if (Topics.appDBCache)
{
TopicInfo topicInfo = Topics.GetTopicInfo(tid, 0, 0);
topicInfo.Attachment = 0;
Topics.ITopicService.UpdateTopic(topicInfo);
}
}
}
}
