public static string GetTitle(SeoHelper seoHelper)
{
if (seoHelper == null)
{
throw new ArgumentNullException(nameof(seoHelper));
}
bool isBaseTitleSet = !string.IsNullOrWhiteSpace(seoHelper.BaseTitle);
bool isPageTitleSet = !string.IsNullOrWhiteSpace(seoHelper.Title);
if (isBaseTitleSet && isPageTitleSet)
{
string titleFormat = !string.IsNullOrWhiteSpace(seoHelper.TitleFormat)
? seoHelper.TitleFormat
: SeoHelper.DefaultTitleFormat;
string title = string.Format(titleFormat, seoHelper.Title, seoHelper.BaseTitle);
return(title);
}
if (!isBaseTitleSet)
{
return(!string.IsNullOrWhiteSpace(seoHelper.Title) ? seoHelper.Title : null);
}
return(!string.IsNullOrWhiteSpace(seoHelper.BaseTitle) ? seoHelper.BaseTitle : null);
}
public static SeoHelper GetSeoHelper(this ViewDataDictionary viewData)
{
if (viewData == null)
{
throw new ArgumentNullException(nameof(viewData));
}
var seoHelperData = viewData[ViewDataKey] as SeoHelper;
if (seoHelperData == null)
{
lock (viewData)
{
seoHelperData = viewData[ViewDataKey] as SeoHelper;
if (seoHelperData == null)
{
seoHelperData = new SeoHelper();
viewData[ViewDataKey] = seoHelperData;
}
}
}
return(seoHelperData);
}
public override void OnHandleSeoValues(SeoHelper seoHelper)
{
if (seoHelper == null)
{
throw new ArgumentNullException(nameof(seoHelper));
}
seoHelper.BaseLinkCanonical = this.linkCanonical;
}
public override void OnHandleSeoValues(SeoHelper seoHelper)
{
if (this.Append)
{
seoHelper.AddMetaKeyword(this.metaKeywords);
}
else
{
seoHelper.MetaKeywords = this.metaKeywords;
}
}
protected override void Initialize(RequestContext requestContext)
{
if (requestContext == null)
{
throw new ArgumentNullException(nameof(requestContext));
}
base.Initialize(requestContext);
this.Seo = this.GetSeoHelper();
}
public override void OnHandleSeoValues(SeoHelper seoHelper)
{
if (seoHelper == null)
{
throw new ArgumentNullException(nameof(seoHelper));
}
base.OnHandleSeoValues(seoHelper);
seoHelper.BaseTitle = this.title;
}
public override void OnHandleSeoValues(SeoHelper seoHelper)
{
if (seoHelper == null)
{
throw new ArgumentNullException(nameof(seoHelper));
}
if (!string.IsNullOrWhiteSpace(this.Format))
{
seoHelper.TitleFormat = this.Format;
}
}
public abstract void OnHandleSeoValues(SeoHelper seoHelper);
public override void OnHandleSeoValues(SeoHelper seoHelper)
{
seoHelper.MetaDescription = this.metaDescription;
}
public override void InitHelpers()
{
base.InitHelpers();
this.Seo = this.GetSeoHelper();
}
public override void OnHandleSeoValues(SeoHelper seoHelper)
{
seoHelper.MetaRobotsIndex = this.robotsIndex;
}
public override void OnHandleSeoValues(SeoHelper seoHelper)
{
seoHelper.LinkCanonical = this.linkCanonical;
}
