/// <summary>
/// 获取上级Static的栏目
/// </summary>
/// <param name="catId"></param>
/// <returns></returns>
public static Base_Catalog GetStaticParent(this Base_Catalog cat)
{
while (cat.ParentId != null)
{
var parent = SiteManager.Catalog.GetById(cat.ParentId.Value);
if (parent == null)
{
break;
}
cat = parent;
if (cat.State == ArticleState.Static || cat.ParentId == 0)
{
break;
}
}
return(cat);
}
/// <summary>
/// 根据栏目获取所有下级子结点
/// </summary>
/// <param name="cat"></param>
/// <returns></returns>
public static IEnumerable <Base_Catalog> GetDescendantByLang(this Base_Catalog cat)
{
return(SiteManager.Catalog.GetDescendantByLang(cat.Id));
}
/// <summary>
/// 根据栏目获取子结点
/// </summary>
/// <param name="cat"></param>
/// <returns></returns>
public static IEnumerable <Base_Catalog> GetChildrenByLang(this Base_Catalog cat)
{
return(SiteManager.Catalog.GetChildrenByLang(cat.Id));
}
/// <summary>
/// 根据栏目获取它的某个指定名称的标签
/// </summary>
/// <param name="cat"></param>
/// <param name="extName"></param>
/// <returns></returns>
public static Base_CatalogExt GetExtByName(this Base_Catalog cat, string extName)
{
return(SiteManager.Catalog.GetAllExts(cat.Id)
.FirstOrDefault(ext => ext.Name.Equals(extName, StringComparison.OrdinalIgnoreCase)));
}
