jbreuer / hybrid-framework-best-practices Goto Github PK

public override string GetVaryByCustomString(HttpContext context, string custom)
{
    custom = custom ?? string.Empty;
    if (custom.ToLower() == "Something".ToLower())
    {

        // Domain is included so requests cached per domain aren't shared.
        var fullUrl = new Uri(context.Request.Url, context.Request.RawUrl).AbsoluteUri;
        var key = GetKeyWithBuster(fullUrl);


        // Avoid contaminating the primary cache with Umbraco previews.
        try
        {
            var cookie = context.Request.Cookies["UMB_PREVIEW"];
            if (cookie != null && !string.IsNullOrWhiteSpace(cookie.Value))
            {
                key = key + "_PREVIEW_" + cookie.Value;
            }
        }
        catch { }


        // ... a few other key modifications removed...


        // Return cache key.
        return "something=" + fullUrl + " * key=" + key;

    }
    return base.GetVaryByCustomString(context, custom);
}