public static string GetSimpleAddressIfExits(this PageReference pageLink)
{
if (PageReference.IsNullOrEmpty(pageLink))
{
return(string.Empty);
}
var page = pageLink.GetPage();
if (page == null)
{
return(string.Empty);
}
var simpleaddress = page.GetPropertyValue("PageExternalURL");
string pageUrl;
if (!string.IsNullOrEmpty(simpleaddress))
{
pageUrl = string.Format("/{0}/", simpleaddress);
}
else
{
var urlResolver = ServiceLocator.Current.GetInstance <UrlResolver>();
pageUrl = urlResolver.GetUrl(pageLink);
}
return(pageUrl);
}
/// <summary>
/// Gets the canonical URL for a page. If LinkType is FetchData the original page URL will be the canonical link.
/// </summary>
/// <param name="pageLink">The PageReference to get canonical URL from.</param>
/// <param name="considerFetchDataFrom">Consider fetch data from setting in EPiServer.</param>
/// <returns></returns>
public static string GetCanonicalUrl(this PageReference pageLink, bool considerFetchDataFrom = true)
{
if (PageReference.IsNullOrEmpty(pageLink))
{
return(null);
}
PageData page = pageLink.GetPage();
if (page == null)
{
return(null);
}
return(page.GetCanonicalUrl(considerFetchDataFrom));
}
/// <summary>
/// Gets the top page reference, i e page beneath the start page, starting at the specified page reference
/// </summary>
public static PageReference GetTopPage(this PageReference pageLink)
{
if (PageReference.IsNullOrEmpty(pageLink))
{
throw new NotSupportedException("Current top page cannot be retrieved without a starting point, and the specified page link was empty");
}
var page = pageLink.GetPage();
while (!PageReference.IsNullOrEmpty(page.ParentLink) && !page.ParentLink.CompareToIgnoreWorkID(PageReference.RootPage) && !page.ParentLink.CompareToIgnoreWorkID(PageReference.StartPage))
{
page = page.ParentLink.GetPage();
}
return(page.PageLink);
}
/// <summary>
/// Gets the canonical link for a page.
/// </summary>
/// <param name="page">Page to get canonical url for</param>
/// <param name="considerFetchDataFrom">Consider fetch data from setting in EPiServer.</param>
/// <param name="considerSimpleAddress">Use simple address of page if it is set.</param>
/// <param name="urlResolver">Optional UrlResolver instance.</param>
/// <returns>The complete link to the page. If LinkType is FetchData then the original page URL will be returned.</returns>
public static string GetCanonicalUrl(this PageData page, bool considerFetchDataFrom = true, bool considerSimpleAddress = false, UrlResolver urlResolver = null)
{
if (page == null)
{
return(null);
}
PageData canonicalPage = page;
PageReference pageLink = page.PageLink;
if (considerFetchDataFrom && page.LinkType == PageShortcutType.FetchData)
{
var shortcutLink = page["PageShortcutLink"] as PageReference;
if (!PageReference.IsNullOrEmpty(shortcutLink))
{
pageLink = shortcutLink;
}
}
if (!page.PageLink.CompareToIgnoreWorkID(canonicalPage.PageLink))
{
canonicalPage = pageLink.GetPage();
}
if (considerSimpleAddress)
{
var simpleAddress = canonicalPage["PageExternalUrl"] as string;
if (!string.IsNullOrWhiteSpace(simpleAddress))
{
return(simpleAddress.GetExternalUrl());
}
}
return(canonicalPage.PageLink.GetFriendlyUrl(true, urlResolver));
}
