private async Task LoadFlightsList()
{
// Stop the timer if it's already running to prevent multiple server calls if the network's slow
if (timer.IsEnabled)
{
timer.Stop();
}
HttpClient httpClient = new HttpClient();
httpClient.DefaultRequestHeaders.IfModifiedSince = new DateTimeOffset(DateTime.UtcNow);
httpClient.DefaultRequestHeaders.Add("Accept", "application/json");
HttpResponseMessage response = await httpClient.GetAsync(new Uri(url));
string jsonString = await response.Content.ReadAsStringAsync();
if (response.StatusCode == HttpStatusCode.NotModified)
{
// Nothing changed, wait for 15 seconds this time
if (!timer.IsEnabled)
{
timer.Tick += new EventHandler <object>(timerTick);
timer.Interval = new TimeSpan(0, 0, 15);
timer.Start();
}
}
else
{
SkyscannerResponse result = JsonConvert.DeserializeObject <SkyscannerResponse>(jsonString);
if (result.Status.Equals("UpdatesComplete"))
{
if (result.Itineraries.Length == 0)
{
DisplayErrorMessage("No flights were found for your search.");
}
else
{
agents = result.Agents;
DisplayFlightsList(result);
}
}
else
{
// Updates aren't complete yet, try again in 10 seconds
if (!timer.IsEnabled)
{
timer.Tick += new EventHandler <object>(timerTick);
timer.Interval = new TimeSpan(0, 0, 10);
timer.Start();
}
}
}
}
private void DisplayFlightsList(SkyscannerResponse result)
{
sessionKey = result.SessionKey;
query = result.Query;
foreach (Itinerary itinerary in result.Itineraries)
{
FlightsListItem item = new FlightsListItem();
int[] outboundCarriers = { };
int[] inboundCarriers = { };
int outboundOrigin = 0;
int outboundDestination = 0;
int inboundOrigin = 0;
int inboundDestination = 0;
item.outboundId = itinerary.OutboundLegId;
item.inboundId = itinerary.InboundLegId;
int remaining = 2;
foreach (Leg leg in result.Legs)
{
if (remaining == 0)
{
break;
}
if (leg.Id.Equals(itinerary.OutboundLegId))
{
DateTime departure = DateTime.Parse(leg.Departure);
DateTime arrival = DateTime.Parse(leg.Arrival);
item.outboundFlightTime = departure.ToString("H:mm") + " - " + arrival.ToString("H:mm");
int daysDiff = (arrival - departure).Days;
if (daysDiff > 0)
{
if (daysDiff == 1)
{
item.outboundAddDays = "(+" + daysDiff + " day)";
}
else
{
item.outboundAddDays = "(+" + daysDiff + " days)";
}
}
TimeSpan duration = TimeSpan.FromMinutes(leg.Duration);
if (duration.Hours > 0)
{
item.outboundDuration = ((duration.Days * 24) + duration.Hours) + "h " + duration.Minutes + "m";
}
else
{
item.outboundDuration = duration.Minutes + "m";
}
int stops = leg.SegmentIds.Length - 1;
if (stops == 0)
{
item.outboundStops = "Direct Flight";
}
else if (stops == 1)
{
item.outboundStops = stops + " Stop";
}
else
{
item.outboundStops = stops + " Stops";
}
outboundCarriers = leg.OperatingCarriers;
outboundOrigin = leg.OriginStation;
outboundDestination = leg.DestinationStation;
remaining--;
}
else if (leg.Id.Equals(itinerary.InboundLegId))
{
DateTime departure = DateTime.Parse(leg.Departure);
DateTime arrival = DateTime.Parse(leg.Arrival);
item.inboundFlightTime = departure.ToString("H:mm") + " - " + arrival.ToString("H:mm");
int daysDiff = (arrival - departure).Days;
if (daysDiff > 0)
{
if (daysDiff == 1)
{
item.inboundAddDays = "(+" + daysDiff + " day)";
}
else
{
item.inboundAddDays = "(+" + daysDiff + " days)";
}
}
TimeSpan duration = TimeSpan.FromMinutes(leg.Duration);
if (duration.Hours > 0)
{
item.inboundDuration = ((duration.Days * 24) + duration.Hours) + "h " + duration.Minutes + "m";
}
else
{
item.inboundDuration = duration.Minutes + "m";
}
int stops = leg.SegmentIds.Length - 1;
if (stops == 0)
{
item.inboundStops = "Direct Flight";
}
else if (stops == 1)
{
item.inboundStops = stops + " Stop";
}
else
{
item.inboundStops = stops + " Stops";
}
inboundCarriers = leg.OperatingCarriers;
inboundOrigin = leg.OriginStation;
inboundDestination = leg.DestinationStation;
remaining--;
}
}
remaining = 4;
string outboundOriginName = "";
string outboundDestinationName = "";
string inboundOriginName = "";
string inboundDestinationName = "";
foreach (TripPlace place in result.Places)
{
if (remaining == 0)
{
break;
}
if (place.Id == outboundOrigin)
{
outboundOriginName = place.Code;
remaining--;
}
else if (place.Id == outboundDestination)
{
outboundDestinationName = place.Code;
remaining--;
}
if (place.Id == inboundOrigin)
{
inboundOriginName = place.Code;
remaining--;
}
else if (place.Id == inboundDestination)
{
inboundDestinationName = place.Code;
remaining--;
}
}
item.outboundAirports = outboundOriginName + " - " + outboundDestinationName;
item.inboundAirports = inboundOriginName + " - " + inboundDestinationName;
remaining = inboundCarriers.Length + outboundCarriers.Length;
foreach (Carrier carrier in result.Carriers)
{
if (remaining == 0)
{
break;
}
for (int i = 0; i < outboundCarriers.Length; i++)
{
if (carrier.Id == outboundCarriers[i])
{
if (item.outboundAirlines.Length > 0)
{
item.outboundAirlines += ", " + carrier.Name;
}
else
{
item.outboundAirlines += "Operated by " + carrier.Name;
}
remaining--;
}
}
for (int i = 0; i < inboundCarriers.Length; i++)
{
if (carrier.Id == inboundCarriers[i])
{
if (item.inboundAirlines.Length > 0)
{
item.inboundAirlines += ", " + carrier.Name;
}
else
{
item.inboundAirlines += "Operated by " + carrier.Name;
}
remaining--;
}
}
}
item.lowestPrice = "From " + string.Format("{0:C2}", itinerary.PricingOptions[0].Price);
collection.Add(item);
}
ListViewFlights.ItemsSource = collection;
ProgressRingFlights.IsActive = false;
StackPanelLoading.Visibility = Visibility.Collapsed;
}