public XMLSitemapItemViewModel(ISeo page)
{
Url = page.Url(mode: UrlMode.Absolute);
ChangeDate = page.UpdateDate.ToUniversalTime();
ChangeFrequency = page.SitemapChangeFrequency;
Priority = page.SitemapPriority;
}
/// <summary>
/// Returns formatted <paramref name="seo"/> SEO title, based on specified <paramref name="format"/>.
/// </summary>
/// <param name="seo">The seo.</param>
/// <param name="currentPage">The current page.</param>
/// <param name="brandName">Brand name to use in the SEO title.</param>
/// <param name="format">Format to use. First placeholder is used for SEO title, and second one for brand name.</param>
/// <param name="discardTitleForHomePage">If <c>true</c> only brand name will be used for Home Page SEO title.</param>
/// <returns>Formatted <paramref name="seo"/> SEO title.</returns>
public static string GetFormattedSeoTitle(this ISeo seo, IPage currentPage, string brandName, string format = "{0} | {1}", bool discardTitleForHomePage = true)
{
if (discardTitleForHomePage && currentPage.IsHome())
{
return(brandName);
}
string seoTitle = seo.SeoTitle.IsNullOrWhiteSpace() ? currentPage.PageTitle() : seo.SeoTitle;
return(brandName.IsNullOrWhiteSpace() ? seoTitle : string.Format(format, seoTitle, brandName));
}
private SeoManager()
{
switch (_seoProvider.ToLower())
{
case "lucenenet":
iSeo = new LuceneNetSeo(indexPath);
break;
default:
throw new ArgumentException("搜索引擎只支持lucenenet");
}
}
public OpenGraphViewModel(IPageContext <IPage> context, ISeo seo)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (seo == null)
{
throw new ArgumentNullException(nameof(seo));
}
Title = GetTitle(context.Page);
Description = GetDescription(context.Page);
//TODO if Open Graph Image is null use banner image
Image = context.Page.OpenGraphImage.ToViewModel();
CanonicalUrl = seo.GetCanonicalUrl(context.SiteSettings.CanonicalDomain);
Locale = context.Page.GetCultureFromDomains();
SiteName = context.SiteSettings.SiteName;
}
/// <summary>
/// Returns canonical url.
/// </summary>
/// <param name="seo">The seo.</param>
/// <param name="canonicalDomain">The canonical domain.</param>
/// <returns></returns>
public static string GetCanonicalUrl(this ISeo seo, string canonicalDomain)
{
if (seo.CanonicalLink != null)
{
return(seo.CanonicalLink.Url);
}
if (canonicalDomain.IsNullOrWhiteSpace())
{
return(seo.Url(mode: UrlMode.Absolute));
}
try
{
return($"{new Uri(seo.Url(mode: UrlMode.Absolute)).Scheme}://{canonicalDomain}{seo.Url}");
}
catch (Exception)
{
//ignore
//this check is because of the preview option in the CMS
}
return(string.Empty);
}
/// <summary>Static getter for Meta description</summary>
public static string GetMetaDescription(ISeo that)
{
return(that.GetPropertyValue <string>("metaDescription"));
}
/// <summary>Static getter for Page Title</summary>
public static string GetPageTitle(ISeo that)
{
return(that.GetPropertyValue <string>("pageTitle"));
}
/// <summary>Static getter for Open Graph image</summary>
public static string GetOgImage(ISeo that)
{
return(that.GetPropertyValue <string>("ogImage"));
}
public static global::Umbraco.Web.Models.Link GetCanonicalUrl(ISeo that) => that.Value <global::Umbraco.Web.Models.Link>("canonicalURL");
public static global::System.Collections.Generic.IEnumerable <string> GetTags(ISeo that) => that.Value <global::System.Collections.Generic.IEnumerable <string> >("tags");
public static string GetPagetitle(ISeo that) => that.Value <string>("pagetitle");
public static global::Umbraco.Core.Models.PublishedContent.IPublishedContent GetImage(ISeo that) => that.Value <global::Umbraco.Core.Models.PublishedContent.IPublishedContent>("image");
public static string GetDescription(ISeo that) => that.Value <string>("description");
/// <summary>Static getter for Meta title</summary>
public static string GetMetaTitle(ISeo that)
{
return(that.GetPropertyValue <string>("metaTitle"));
}
/// <summary>Static getter for No index</summary>
public static bool GetNoIndex(ISeo that)
{
return(that.GetPropertyValue <bool>("noIndex"));
}
public static XMLSitemapItemViewModel ToViewModel(this ISeo page) => page != null ? new XMLSitemapItemViewModel(page) : default(XMLSitemapItemViewModel);