private async Task UpdateMetarInfo(MetarResult response)
{
IsBusy = false;
AirportCode = string.Empty;
if (response.StatusCode != System.Net.HttpStatusCode.OK)
{
DisplayError(Localization.Error_Occured, response.StatusCode.ToString());
return;
}
var airport = Airport.MapFromResponse(response.AirportIdentifier, response.MetarResponse);
var alreadyExists = Airports.FirstOrDefault(x => x.Name == airport.Name);
if (alreadyExists == null)
{
Airports.Add(airport);
}
else
{
alreadyExists.Copy(airport);
OnPropertyChanged(nameof(Airports));
}
HasSavedItems = Airports != null && Airports.Any();
await AirportService.SaveAirport(airport, new System.Threading.CancellationToken()).ConfigureAwait(false);
}
private async Task DeleteAirport(Airport airport)
{
if (Airports.Any() && Airports.Contains(airport))
{
await AirportService.DeleteAirport(airport.Id, new System.Threading.CancellationToken()).ConfigureAwait(false);
Airports.Remove(airport);
}
HasSavedItems = Airports != null && Airports.Any();
}
private void LoadSavedAirports()
{
Device.BeginInvokeOnMainThread(async() =>
{
var airports = await AirportService.GetAllAirports(new System.Threading.CancellationToken()).ConfigureAwait(false);
foreach (var airport in airports)
{
var item = Airports.FirstOrDefault(x => x.Name == airport.Name);
if (item != null)
{
continue;
}
Airports.Add(airport);
}
HasSavedItems = Airports != null && Airports.Any();
});
}
/// <summary>
/// Returns the HREF string suitable for use in an IMG tag (i.e., for a static map vs. a dynamic map)
/// <param name="szMapKey">The key for using the google maps API</param>
/// <param name="width">The width for the static map</param>
/// <param name="height">The height for the static map</param>
/// </summary>
public string StaticMapHRef(string szMapKey, int height, int width)
{
StringBuilder sb = new StringBuilder(String.Format(CultureInfo.InvariantCulture, "https://maps.googleapis.com/maps/api/staticmap?maptype=hybrid&key={0}&size={1}x{2}", HttpUtility.UrlEncode(szMapKey), width, height));
bool fHasRoute = Airports != null && Airports.Any();
bool fHasPath = Path != null && Path.Any() && ShowRoute;
if (!String.IsNullOrEmpty(StaticMapAdditionalParams))
{
sb.AppendFormat(CultureInfo.InvariantCulture, "&{0}", StaticMapAdditionalParams);
}
if (fHasPath || fHasRoute)
{
List <List <string> > lstSegments = new List <List <string> >();
if (fHasRoute)
{
List <string> lstMarkers = new List <string>();
foreach (AirportList al in Airports)
{
List <string> lstSegment = new List <string>();
lstSegments.Add(lstSegment);
foreach (airport ap in al.GetAirportList())
{
string szSegment = String.Format(CultureInfo.InvariantCulture, "{0:F6},{1:F6}", ap.LatLong.Latitude, ap.LatLong.Longitude);
lstMarkers.Add(szSegment);
lstSegment.Add(szSegment);
}
}
if (ShowMarkers)
{
sb.Append("&markers=color:red|" + String.Join("|", lstMarkers));
}
}
if (ShowRoute)
{
string szPath = string.Empty;
if (fHasPath)
{
List <string> lstPath = new List <string>();
foreach (LatLong ll in Path)
{
lstPath.Add(String.Format(CultureInfo.InvariantCulture, "{0:F6},{1:F6}", ll.Latitude, ll.Longitude));
}
szPath = String.Join("|", lstPath);
}
// always connect the segments...
foreach (List <string> segment in lstSegments)
{
sb.Append("&path=color:0x0000FF88|weight:5|geodesic:true|" + String.Join("|", segment));
}
// and add the path, if possible
if (sb.Length + szPath.Length < 8100)
{
sb.Append("&path=color:0xFF000088|weight:5|" + szPath);
}
}
}
else
{
sb.AppendFormat(CultureInfo.InvariantCulture, "¢er={0:F8},{1:F8}&zoom={2}", MapCenter.Latitude, MapCenter.Longitude, (int)ZoomFactor);
}
return(sb.ToString());
}