Groupby and Count

HttpCookie recentSearchCoookie = HttpContext.Current.Request.Cookies[FLIGHT_QUERY_MODEL_RECENT_COOKIE];

            var oldCookieValue = (recentSearchCoookie != null) ? HttpUtility.UrlDecode(recentSearchCoookie.Value) : null;

            var oldCookieObjectCollection = (oldCookieValue != null) ? JsonConvert.DeserializeObject<List<FlightSearchModel>>(oldCookieValue) : null;

            // Comapre to values set on rule (properties above)

            if (oldCookieObjectCollection != null)

            {

                var groupsByDestination = oldCookieObjectCollection.GroupBy(info => info.FlightSearchSegmentList[0].DestinationCityCode)

                        .Select(group => new

                        {

                            Destination = group.Key,

                            Count = group.Count()

                        })

                        .OrderBy(x => x.Count);

var groupsByDestinationAndOrigin = oldCookieObjectCollection.GroupBy(info => new { info.FlightSearchSegmentList[0].OriginCityCode, info.FlightSearchSegmentList[0].DestinationCityCode })

                        .Select(group => new

                        {

                            Route = group.Key,

                            Count = group.Count()

                        })

                        .OrderBy(x => x.Count);

            }

            return true;