/// <summary>
/// Add google analytics script accessor to Page.
/// </summary>
/// <param name="args">The args.</param>
private void Events_PageRendering(PageRenderingEventArgs args)
{
IHttpContextAccessor httpContextAccessor;
using (var container = ContextScopeProvider.CreateChildContainer())
{
httpContextAccessor = container.Resolve<IHttpContextAccessor>();
}
var openGraphMetaTitle = new OpenGraphMetaDataProjection("title", args.RenderPageData.PageData.Title);
AddMetaDataIfNotExistsInArgs(args, openGraphMetaTitle);
var openGraphMetaUrl = new OpenGraphMetaDataProjection("url", httpContextAccessor.MapPublicPath(args.RenderPageData.PageData.PageUrl));
AddMetaDataIfNotExistsInArgs(args, openGraphMetaUrl);
var pageModel = args.RenderPageData.GetPageModel();
if (pageModel.MainImage != null)
{
var openGraphImage = new OpenGraphMetaDataProjection("image", pageModel.MainImage.PublicUrl);
AddMetaDataIfNotExistsInArgs(args, openGraphImage);
}
else
{
if (pageModel.FeaturedImage != null)
{
var openGraphImage = new OpenGraphMetaDataProjection("image", pageModel.FeaturedImage.PublicUrl);
AddMetaDataIfNotExistsInArgs(args, openGraphImage);
}
else if (pageModel.SecondaryImage != null)
{
var openGraphImage = new OpenGraphMetaDataProjection("image", pageModel.SecondaryImage.PublicUrl);
AddMetaDataIfNotExistsInArgs(args, openGraphImage);
}
}
if (!string.IsNullOrEmpty(pageModel.Description))
{
var openGraphDescription = new OpenGraphMetaDataProjection("description", pageModel.Description);
AddMetaDataIfNotExistsInArgs(args, openGraphDescription);
}
}
private void AddMetaDataIfNotExistsInArgs(PageRenderingEventArgs args, OpenGraphMetaDataProjection item)
{
if (!args.RenderPageData.Metadata.Contains(item))
{
args.RenderPageData.Metadata.Add(item);
}
}
protected bool Equals(OpenGraphMetaDataProjection other)
{
return string.Equals(property, other.property) && string.Equals(content, other.content);
}
