/// <summary>
/// 根据ID得到一个主题页面实体
/// </summary>
/// <param name="name">页面名称</param>
/// <returns>主题页面实体</returns>
public static TopicPageEntity GetTopicPage(String name)
{
if (!RegexVerify.IsPageName(name))
{
throw new InvalidRequstException(RequestType.TopicPage);
}
TopicPageEntity topicpage = TopicPageCache.GetTopicPageCache(name);//读取缓存
if (topicpage == null)
{
topicpage = TopicPageManager.GetReplacedContent(TopicPageRepository.Instance.GetEntity(name));
TopicPageCache.SetTopicPageCache(topicpage);//设置缓存
}
if (topicpage == null)
{
throw new NullResponseException(RequestType.TopicPage);
}
if (topicpage.IsHide && !AdminManager.HasPermission(PermissionType.SuperAdministrator))
{
throw new NoPermissionException();
}
return(topicpage);
}
/// <summary>
/// 更新主题页面隐藏状态
/// </summary>
/// <param name="id">主题页面名称</param>
/// <param name="isHide">隐藏状态</param>
/// <returns>是否成功更新</returns>
public static IMethodResult AdminUpdateTopicPageIsHide(String name, Boolean isHide)
{
if (!AdminManager.HasPermission(PermissionType.SuperAdministrator))
{
throw new NoPermissionException();
}
Boolean success = TopicPageRepository.Instance.UpdateEntityIsHide(name, isHide) > 0;
if (!success)
{
return(MethodResult.FailedAndLog("No page was {0}!", isHide ? "hided" : "unhided"));
}
TopicPageCache.RemoveTopicPageCache(name);//删除缓存
return(MethodResult.SuccessAndLog("Admin {1} page, name = {0}", name, isHide ? "hide" : "unhide"));
}
/// <summary>
/// 更新一条主题页面
/// </summary>
/// <param name="entity">对象实体</param>
/// <param name="oldname">旧的主题页面名</param>
/// <returns>是否成功更新</returns>
public static IMethodResult AdminUpdateTopicPage(TopicPageEntity entity, String oldname)
{
if (!AdminManager.HasPermission(PermissionType.SuperAdministrator))
{
throw new NoPermissionException();
}
if (!RegexVerify.IsPageName(entity.PageName))
{
return(MethodResult.InvalidRequest(RequestType.TopicPage));
}
if (String.IsNullOrEmpty(entity.Title))
{
return(MethodResult.FailedAndLog("Page title can not be NULL!"));
}
if (String.IsNullOrEmpty(entity.Description))
{
return(MethodResult.FailedAndLog("Page description can not be NULL!"));
}
if (String.IsNullOrEmpty(entity.Content))
{
return(MethodResult.FailedAndLog("Page content can not be NULL!"));
}
entity.LastDate = DateTime.Now;
Boolean success = TopicPageRepository.Instance.UpdateEntity(entity, oldname) > 0;
if (!success)
{
return(MethodResult.FailedAndLog("No page was updated!"));
}
TopicPageCache.RemoveTopicPageCache(oldname);//更新缓存
return(MethodResult.SuccessAndLog("Admin update page, name = {0}{1}", entity.PageName,
(!String.Equals(oldname, entity.PageName, StringComparison.OrdinalIgnoreCase) ? ", previous = " + oldname : "")));
}
/// <summary>
/// 删除指定ID的主题页面
/// </summary>
/// <param name="ids">逗号分隔的主题页面ID</param>
/// <returns>是否成功删除</returns>
public static IMethodResult AdminDeleteTopicPages(String names)
{
if (!AdminManager.HasPermission(PermissionType.SuperAdministrator))
{
throw new NoPermissionException();
}
Boolean success = TopicPageRepository.Instance.DeleteEntities(names) > 0;
if (!success)
{
return(MethodResult.FailedAndLog("No page was deleted!"));
}
names.ForEachInIDs(',', name =>
{
TopicPageCache.RemoveTopicPageCache(name);//删除缓存
});
return(MethodResult.SuccessAndLog("Admin delete page, name = {0}", names));
}
