//takes lat and lon from national park DB table
        public async Task <IActionResult> Trails(string lon, string lat, string name)
        {
            using (HttpClient client = new HttpClient())
            {
                client.BaseAddress = new Uri("https://www.hikingproject.com");
                var response =
                    await client.GetAsync(
                        $"/data/get-trails?lat={lat}&lon={lon}&maxDistance=200&sort=distance&maxResults=100&key=200238177-24a146be40fa02014108db565b54b2ed");

                response.EnsureSuccessStatusCode();
                var stringresult = await response.Content.ReadAsStringAsync();

                JObject result = JObject.Parse(stringresult);
                //only need if you want to get a subsection of data
                IList <JToken> rawTrailsList = result["trails"].Children().ToList();
                List <Trail>   trails        = new List <Trail>();
                foreach (JToken item in rawTrailsList)
                {
                    Trail singleTrail = item.ToObject <Trail>();
                    trails.Add(singleTrail);
                }

                //save to in-memory repository
                _repository.AddTrails(trails);
                ViewBag.NationalPark = name;
                return(View(trails));
            }
        }