/// <summary>
/// Returns a sequence with all the EPiServer pages of given type <typeparamref name="T" /> in a LinkItemCollection
/// </summary>
/// <param name="linkItemCollection">Source LinkItemCollection to look for EPiServer pages.</param>
/// <returns>Sequence of the EPiServer pages of type <typeparamref name="T" /> in a LinkItemCollection</returns>
public static IEnumerable <T> ToEnumerable <T>(this LinkItemCollection linkItemCollection)
where T : PageData
{
if (linkItemCollection == null)
{
return(Enumerable.Empty <T>());
}
var contentLoader = ServiceLocator.Current.GetInstance <IContentLoader>();
return(linkItemCollection
.Select(x => x.ToContentReference())
.Where(x => !x.IsNullOrEmpty())
.Select(contentLoader.Get <IContent>)
.SafeOfType <T>());
}
/// <summary>
/// Find the corresponding links from a <see cref="LinkItemCollection"/>
/// </summary>
/// <param name="linkCollection">Collection of LinkItems</param>
/// <returns>A collection of <see cref="GroLinkItem"/></returns>
public static IEnumerable <GroLinkItem> GetGroLinkItems(this LinkItemCollection linkCollection)
=> linkCollection?.Select(GroLinkItem.FromLinkItem) ?? new GroLinkItem[]
{
};
