/// <summary>
/// 获取主题列表
/// </summary>
/// <param name="pageIndex">页面索引</param>
/// <param name="ftids">主题ID列表</param>
/// <param name="username">发帖人</param>
/// <param name="title">主题标题</param>
/// <param name="type">主题类型</param>
/// <param name="relativeID">相关ID</param>
/// <param name="isLocked">是否锁定</param>
/// <param name="isHide">是否隐藏</param>
/// <param name="startDate">发帖开始时间</param>
/// <param name="endDate">发帖结束时间</param>
/// <returns>主题列表</returns>
public static PagedList <ForumTopicEntity> AdminGetForumTopicList(Int32 pageIndex, String ftids, String username, String title, String type, String relativeID, String isLocked, String isHide, String startDate, String endDate)
{
if (!AdminManager.HasPermission(PermissionType.ForumManage))
{
throw new NoPermissionException();
}
Int32 pageSize = AdminManager.ADMIN_LIST_PAGE_SIZE;
Int32 recordCount = ForumTopicManager.AdminCountForumTopics(ftids, username, title, type, relativeID, isLocked, isHide, startDate, endDate);
Byte topictype = 0;
Int32 rid = -1;
DateTime dtStart = DateTime.MinValue, dtEnd = DateTime.MinValue;
ftids = ftids.SearchOptimized();
if (!String.IsNullOrEmpty(ftids) && !RegexVerify.IsNumericIDs(ftids))
{
throw new InvalidRequstException(RequestType.ForumTopic);
}
if (!String.IsNullOrEmpty(relativeID) && !Int32.TryParse(relativeID, out rid))
{
throw new InvalidInputException("Relative ID is INVALID!");
}
return(ForumTopicRepository.Instance
.GetEntities(pageIndex, pageSize, recordCount, ftids, username, title,
(!String.IsNullOrEmpty(type) && Byte.TryParse(type, out topictype) ? (ForumTopicType)topictype : new Nullable <ForumTopicType>()), rid,
(!String.IsNullOrEmpty(isLocked) ? "1".Equals(isLocked, StringComparison.OrdinalIgnoreCase) : new Nullable <Boolean>()),
(!String.IsNullOrEmpty(isHide) ? "1".Equals(isHide, StringComparison.OrdinalIgnoreCase) : new Nullable <Boolean>()),
(!String.IsNullOrEmpty(startDate) && DateTime.TryParse(startDate, out dtStart) ? dtStart : new Nullable <DateTime>()),
(!String.IsNullOrEmpty(endDate) && DateTime.TryParse(endDate, out dtEnd) ? dtEnd : new Nullable <DateTime>()))
.ToPagedList(pageSize, recordCount));
}
/// <summary>
/// 获取主题总数(有缓存)
/// </summary>
/// <param name="cid">竞赛ID</param>
/// <param name="pid">题目ID</param>
/// <returns>主题总数</returns>
private static Int32 CountForumTopics(String cid, String pid)
{
ForumTopicType type = ForumTopicManager.GetForumTopicType(cid, pid);
Int32 relativeID = ForumTopicManager.GetRelativeID(cid, pid);
Int32 recordCount = ForumTopicCache.GetForumTopicCountCache(type, relativeID);//获取缓存
if (recordCount < 0)
{
recordCount = ForumTopicRepository.Instance.CountEntities(type, relativeID, false);
ForumTopicCache.SetForumTopicCountCache(type, relativeID, recordCount);//设置缓存
}
return(recordCount);
}
/// <summary>
/// 获取主题列表
/// </summary>
/// <param name="pageIndex">页面索引</param>
/// <param name="cid">竞赛ID</param>
/// <param name="pid">题目ID</param>
/// <returns>主题列表</returns>
public static PagedList <ForumTopicEntity> GetForumTopicList(Int32 pageIndex, String cid, String pid)
{
ForumTopicType type = ForumTopicManager.GetForumTopicType(cid, pid);
Int32 relativeID = ForumTopicManager.GetRelativeID(cid, pid);
if (type == ForumTopicType.Problem && !ProblemManager.InternalExistsProblem(relativeID))
{
throw new InvalidRequstException(RequestType.Problem);
}
else if (type == ForumTopicType.Contest && !ContestManager.InternalExistsContest(relativeID))
{
throw new InvalidRequstException(RequestType.Contest);
}
Int32 pageSize = ForumTopicManager.FORUM_PAGE_SIZE;
Int32 recordCount = ForumTopicManager.CountForumTopics(cid, pid);
return(ForumTopicRepository.Instance
.GetEntities(pageIndex, pageSize, recordCount, type, relativeID, false)
.ToPagedList(pageSize, recordCount));
}
/// <summary>
/// 创建树形列表
/// </summary>
/// <param name="pageIndex">页面索引</param>
/// <param name="pid">题目ID</param>
/// <returns>树形列表</returns>
public static PagedList <TreeNode <ForumPostEntity> > GetPostTreeList(Int32 pageIndex, String pid)
{
PagedList <ForumTopicEntity> listTopic = ForumTopicManager.GetForumTopicList(pageIndex, String.Empty, pid);
List <ForumPostEntity> listPost = ForumPostManager.GetForumPostList(listTopic, false);
if (listPost == null || listPost.Count == 0)
{
return(PagedList <TreeNode <ForumPostEntity> > .Empty);
}
//将主题帖放入树节点数组
List <TreeNode <ForumPostEntity> > listTreeNode = new List <TreeNode <ForumPostEntity> >();
List <ForumPostEntity> listRoot = new List <ForumPostEntity>();
//找出所有根节点
for (Int32 i = 0; i < listPost.Count; i++)
{
if (listPost[i].Deepth == 0)
{
listRoot.Add(listPost[i]);
listPost.RemoveAt(i--);
}
}
//将Topic的Type和RelativeID写入Post中
for (Int32 i = 0; i < listTopic.Count; i++)
{
for (Int32 j = 0; j < listRoot.Count; j++)
{
if (listRoot[j].TopicID == listTopic[i].TopicID)
{
if (listTopic[i].Type != ForumTopicType.Default)
{
listRoot[j].RelativeType = listTopic[i].Type;
listRoot[j].RelativeID = listTopic[i].RelativeID;
}
TreeNode <ForumPostEntity> node = new TreeNode <ForumPostEntity>(listRoot[j].PostID.ToString(), listRoot[j]);
listTreeNode.Add(node);
listRoot.RemoveAt(j);
break;
}
}
}
//根据树节点数组创建树
if (listTreeNode.Count > 0)
{
for (Int32 i = 0; i < listTreeNode.Count; i++)
{
ForumPostManager.CreateTree(listTreeNode[i], listPost);
}
return(listTreeNode.ToPagedList(listTopic.PageSize, listTopic.RecordCount));
}
else
{
return(PagedList <TreeNode <ForumPostEntity> > .Empty);
}
}
/// <summary>
/// 发布新主题
/// </summary>
/// <param name="topic">主题实体</param>
/// <param name="cid">竞赛ID</param>
/// <param name="pid">题目ID</param>
/// <param name="content">主题帖内容</param>
/// <param name="postip">发布者IP</param>
/// <returns>是否成功发布</returns>
public static Boolean InsertForumTopic(ForumTopicEntity topic, String cid, String pid, String content, String postip)
{
if (!UserManager.IsUserLogined)
{
throw new UserUnLoginException();
}
if (String.IsNullOrEmpty(topic.Title))
{
throw new InvalidInputException("Topic title can not be NULL!");
}
if (topic.Title.Length > ForumPostRepository.TITLE_MAXLEN)
{
throw new InvalidInputException("Topic title is too long!");
}
if (!KeywordsFilterManager.IsForumPostContentLegal(topic.Title))
{
throw new InvalidInputException("Topic title can not contain illegal keywords!");
}
if (String.IsNullOrEmpty(content) || content.Length < ForumPostRepository.POST_MINLEN)
{
throw new InvalidInputException("Topic content is too short!");
}
if (content.Length > ForumPostRepository.POST_MAXLEN)
{
throw new InvalidInputException("Topic content is too long!");
}
if (!KeywordsFilterManager.IsForumPostContentLegal(content))
{
throw new InvalidInputException("Topic content can not contain illegal keywords!");
}
if (!UserSubmitStatus.CheckLastSubmitForumPostTime(UserManager.CurrentUserName))
{
throw new InvalidInputException(String.Format("You can not submit post more than twice in {0} seconds!", ConfigurationManager.SubmitInterval.ToString()));
}
topic.Type = ForumTopicManager.GetForumTopicType(cid, pid);
topic.RelativeID = (topic.Type == ForumTopicType.Default ? 0 : ForumTopicManager.GetRelativeID(cid, pid));
if (topic.Type == ForumTopicType.Problem && !ProblemManager.InternalExistsProblem(topic.RelativeID))
{
throw new InvalidRequstException(RequestType.Problem);
}
else if (topic.Type == ForumTopicType.Contest && !ContestManager.InternalExistsContest(topic.RelativeID))
{
throw new InvalidRequstException(RequestType.Contest);
}
topic.UserName = UserManager.CurrentUserName;
topic.LastDate = DateTime.Now;
topic.Title = HtmlEncoder.HtmlEncode(topic.Title);
content = HtmlEncoder.HtmlEncode(content);
Boolean success = ForumTopicRepository.Instance.InsertEntity(topic, content, postip) > 0;
if (success)
{
ForumTopicCache.IncreaseForumTopicCountCache(topic.Type, topic.RelativeID);//更新缓存
if (topic.Type == ForumTopicType.Problem)
{
ForumTopicCache.IncreaseForumTopicCountCache(ForumTopicType.Default, 0);//更新缓存
}
}
return(success);
}
