private static RollbarRequest GetRollbarRequest(NancyContext context) {
     var rr = new RollbarRequest {
         Url = context.Request.Url.ToString(),
         Method = context.Request.Method,
         Headers = context.Request.Headers.ToDictionary(x => x.Key, x => string.Join(",", x.Value)),
         Params = ((IDictionary<string, object>)context.Parameters).ToDictionary(x => x.Key, x => x.Value),
         UserIp = context.Request.UserHostAddress,
     };
     if (rr.Params.Count == 0) {
         rr.Params = null;
     }
     if (rr.Method == "GET") {
         rr.GetParams = ((IDictionary<string, object>) context.Request.Query).ToDictionary(x => x.Key, x => x.Value);
         if (rr.GetParams.Count == 0) {
             rr.GetParams = null;
         }
     }
     if (rr.Method == "POST") {
         rr.PostParams = ((IDictionary<string, object>) context.Request.Form)
             .Concat((IDictionary<string, object>) context.Parameters)
             .ToDictionary(x => x.Key, x => x.Value);
         if (rr.PostParams.Count == 0) {
             rr.PostParams = null;
         }
         rr.PostBody = context.Request.Body.AsString();
     }
     return rr;
 }
 public RollbarRequestFixture() {
     this._rollbarRequest = new RollbarRequest();
 }