/// <summary>
/// 在数据库中删除指定主题
/// </summary>
/// <param name="topiclist">主题列表</param>
/// <param name="subtractCredits">是否减少用户积分(0不减少,1减少)</param>
/// <returns>删除个数</returns>
public static int DeleteTopics(string topicList, int subTractCredits, bool reserveAttach)
{
if (!Utils.IsNumericList(topicList))
{
return(-1);
}
DataTable dt = Topics.GetTopicList(topicList);
if (dt == null)
{
return(-1);
}
foreach (DataRow dr in dt.Rows)
{
if (TypeConverter.ObjectToInt(dr["digest"]) > 0)
{
//UserCredits.UpdateUserExtCredits(TypeConverter.ObjectToInt(dr["posterid"]), -1, CreditsOperationType.Digest, 1, true);
CreditsFacade.UnDigest(TypeConverter.ObjectToInt(dr["posterid"]));
}
}
List <PostInfo> list = Posts.GetPostList(topicList);
if (list != null && list.Count != 0)
{
int lastFid = 0;
ForumInfo forumInfo = null;
foreach (PostInfo postInfo in list)
{
//如果与上一个帖子是同一版块，将不再重新读取版块信息
if (lastFid != postInfo.Fid)
{
lastFid = postInfo.Fid;
forumInfo = Forums.GetForumInfo(lastFid);
}
CreditsFacade.DeletePost(postInfo, forumInfo, reserveAttach);
}
}
int reval = 0;
foreach (string posttableid in Posts.GetPostTableIdArray(topicList))
{
reval = Discuz.Data.TopicAdmins.DeleteTopicByTidList(topicList, posttableid);
}
if (reval > 0 && !reserveAttach)
{
Attachments.DeleteAttachmentByTid(topicList);
}
return(reval);
}
