Flightstats API wrapper

FlightManager.cs

public class FlightManager
{
        string _protocol = "rest";
        string _format = "json";
        string _flightstatusBaseApiUrl;
        string _flightscheduleBaseApiUrl;

        public string AppId { get; private set; }
        public string AppKey { get; private set; }

        public FlightManager( string appId, string appKey )
        {
            AppId = appId;
            AppKey = appKey;

            _flightstatusBaseApiUrl = $"https://api.flightstats.com/flex/flightstatus/{_protocol}/v2/{_format}/flight/status/";
            _flightscheduleBaseApiUrl = $"https://api.flightstats.com/flex/schedules/{_protocol}/v1/{_format}/flight/";
        }

        public async Task<FlightStatus> GetFlightStatusAsync( string carrier, int flightNumber, DateTime date )
        {
            var flightStatusByArriving = $"{carrier}/{flightNumber}/arr/{date.Year}/{date.Month}/{date.Day}";

            var uriBuilder = new UriBuilder( _flightstatusBaseApiUrl + flightStatusByArriving ) {
                Query = $"appId={AppId}&appKey={AppKey}"
            };

            try
            {
                using( var client = new HttpClient() )
                {
                    var response = await client.GetAsync( uriBuilder.Uri );

                    response.EnsureSuccessStatusCode();

                    var jsonResult = await response.Content.ReadAsStringAsync();

                    dynamic obj = JsonConvert.DeserializeObject( jsonResult );

                    return FlightStatus.Create( obj );
                }
            }
            catch( HttpRequestException ex )
            {
                // todo: add exception log here
                throw ex;
            }
        }

        public async Task<FlightSchedule> GetFlightScheduleAsync( string carrier, int flightNumber, DateTime date )
        {
            var flightScheduleByDeparture = $"{carrier}/{flightNumber}/departing/{date.Year}/{date.Month}/{date.Day}";

            var uriBuilder = new UriBuilder( _flightscheduleBaseApiUrl + flightScheduleByDeparture ) {
                Query = $"appId={AppId}&appKey={AppKey}"
            };

            try
            {
                using( var client = new HttpClient() )
                {
                    var response = await client.GetAsync( uriBuilder.Uri );

                    response.EnsureSuccessStatusCode();

                    var jsonResult = await response.Content.ReadAsStringAsync();

                    dynamic obj = JsonConvert.DeserializeObject( jsonResult );

                    return FlightSchedule.Create( obj );
                }
            }
            catch( HttpRequestException ex )
            {
                // todo: add exception log here
                throw ex;
            }
        }
}


public class FlightStatus
{      
        public string Status { get; set; }
        public long FlightId { get; set; }
        public string DepartureAirport { get; set; }
        public string ArriveAirport { get; set; }
        public int? DelayDepartureMinutes { get; set; }
        public int? DelayArrivalMinutes { get; set; }

        public bool HasError { get; set; } = false;
        public string ErrorMessage { get; set; }

        // create flight status from dynamic json object (response of flightstats api call)
        public static FlightStatus Create( dynamic data )
        {
            var obj = new FlightStatus();

            try
            {
                if( data.error != null )
                {
                    obj.HasError = true;
                    obj.ErrorMessage = data.error.errorMessage;

                    return obj;
                }

                var flightStatuses = data.flightStatuses;
                if( flightStatuses != null && flightStatuses.Count > 0 )
                {
                    obj.FlightId = flightStatuses[0].flightId.Value;
                    obj.DepartureAirport = flightStatuses[0].departureAirportFsCode.Value;
                    obj.ArriveAirport = flightStatuses[0].arrivalAirportFsCode.Value;
                    obj.Status = flightStatuses[0].status.Value;

                    var delays = flightStatuses[0].delays;
                    if( delays != null )
                    {
                        obj.DelayDepartureMinutes = delays.departureGateDelayMinutes;
                        obj.DelayArrivalMinutes = delays.arrivalGateDelayMinutes;
                    }
                }            
            }
            catch( Exception ex )
            {
                throw ex;
            }

            return obj;
        }
}


public class FlightSchedule
{
        public string DepartureAirport { get; set; }
        public string ArriveAirport { get; set; }

        public bool HasError { get; set; } = false;
        public string ErrorMessage { get; set; }

        public static FlightSchedule Create( dynamic data )
        {
            var obj = new FlightSchedule();

            try
            {
                if( data.error != null )
                {
                    obj.HasError = true;
                    obj.ErrorMessage = data.error.errorMessage;

                    return obj;
                }

                var scheduledFlights = data.scheduledFlights;
                if( scheduledFlights != null && scheduledFlights.Count > 0 )
                {
                    obj.DepartureAirport = scheduledFlights[0].departureAirportFsCode.Value;
                    obj.ArriveAirport = scheduledFlights[0].arrivalAirportFsCode.Value;
                }
            }
            catch( Exception ex )
            {
                throw ex;
            }

            return obj;
        }
 }