public MvcHtmlString RenderMetaData(IOGPPageData pageData,params IOGPRenderer[] renderer)
{
var siteOgpData = GetOGPSiteMeta();
StringBuilder builder=new StringBuilder();
foreach (var ogpRenderer in renderer)
{
builder.AppendLine(ogpRenderer.RenderOGPMeta(siteOgpData, pageData));
}
return new MvcHtmlString(builder.ToString());
}
public override string RenderOGPMeta(IOGPSiteMeta siteMeta, IOGPPageData ogpPageData)
{
ogpPageData = GetPageMetaMerger().MergeMetaData( ogpPageData,siteMeta);
var metas = new MetaDictionary("og:");
metas.Add("type","article");
metas.Add("site_name",siteMeta.SiteName);
AppendTitleImageUrl(metas,ogpPageData);
AppendOptionalMeta(metas,ogpPageData);
return metas.ToMetaTagString();
}
public override string RenderOGPMeta(IOGPSiteMeta siteMeta, IOGPPageData ogpPageData)
{
ogpPageData = GetPageMetaMerger().MergeMetaData(ogpPageData, siteMeta);
var metas = new MetaDictionary("twitter:");
metas.Add("card","summary");
if (siteMeta is ITwitterCardSiteMeta)
{
var twitterSiteMeta = (ITwitterCardSiteMeta)siteMeta;
metas.Add("site",twitterSiteMeta.Site);
}
AppendTitleImageUrl(metas,ogpPageData);
metas.Add("description", ogpPageData.Description);
return metas.ToMetaTagString();
}
protected void AppendTitleImageUrl(MetaDictionary dic, IOGPPageData page)
{
dic.Add("title",page.Title);
dic.Add("image",page.Image);
dic.Add("url",page.Url);
}
protected void AppendOptionalMeta(MetaDictionary dic, IOGPPageData page)
{
dic.Add("description",page.Description);
dic.Add("locale",page.Locale);
}
public abstract string RenderOGPMeta(IOGPSiteMeta siteMeta, IOGPPageData ogpPageData);
