public async Task DownloadInfoAsync(double lat1, double long1, double lat2, double long2)
{
var fueltype = QueryResult.FuelType;
var parameter = new GasQuery(Guid.NewGuid().ToString(), fueltype, long1, lat1, long2, lat2);
try
{
var gasinfoProxy = CreateGasPriceInfoProxy();
var result = await gasinfoProxy.DownloadAsync(parameter);
if (result.Succeeded)
{
SetQueryResultToGeocodeResult(result.Result);
SendUpdateMapNotification();
CurrentLocationFound = true;
}
else
{
ErrorService.ShowLightDismissError("Die Preisinformationen konnten nicht ermittelt werden");
}
}
catch (Exception)
{
ErrorService.ShowLightDismissError("Die Preisinformationen konnten nicht ermittelt werden");
}
UpdateInProgress = false;
}
public async Task QueryPricesAsync()
{
QueryResult = null;
var q = new GasQuery()
{
FuelType = this.FuelType,
GeocodeLatitude = this.Latitude,
GeocodeLongitude = this.Longitude,
UniqueId = Guid.NewGuid().ToString(),
Latitude1 = this.Latitude - LatitudeBoundingBox,
Latitude2 = this.Latitude + LatitudeBoundingBox,
Longitude1 = this.Longitude - LongitudeBoundingBox,
Longitude2 = this.Longitude + LongitudeBoundingBox
};
try
{
Loading = true;
ToMapPins(new List <GasStationResult>());
var gasinfoProxy = CreateGasPriceInfoProxy();
var result = await gasinfoProxy.DownloadAsync(q);
if (result.Succeeded)
{
QueryResult = result.Result;
ToMapPins(result.Result.GasStationResults);
}
else
{
await _messageService.ShowAsync("Die Preise für den selektierten Ort konnten nicht abgerufen werden");
}
}
catch (Exception ex)
{
Debug.WriteLine(ex.ToString());
// No await in catch *yet*
// InfoMessage = "Die Preise für den selektierten Ort konnten nicht abgerufen werden";
}
finally
{
Loading = false;
}
}
public async Task <bool> AddAsync(GasQuery parameters)
{
try
{
var proxy = CreateGasPriceInfoProxy();
var ergebnis = await proxy.DownloadAsync(parameters);
if (ergebnis.Succeeded)
{
bool saveOk = await AddResultAsync(ergebnis.Result);
return(saveOk);
}
}
catch (Exception)
{
}
return(false);
}
public async Task <GasQueryDownloadResult> DownloadAsync(GasQuery parameter)
{
// Prepare POST data
string postData = Uri.EscapeUriString(parameter.ToPostData());
var ascii = new UTF8Encoding();
byte[] bData = ascii.GetBytes(postData);
var content = new ByteArrayContent(bData);
content.Headers.ContentType = new MediaTypeHeaderValue("application/x-www-form-urlencoded");
List <RootObject> result = null;
try
{
using (var client = new HttpClient())
{
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("*/*"));
client.DefaultRequestHeaders.Referrer = new Uri("http://spritpreisrechner.at/ts/map.jsp");
HttpResponseMessage response = await client.PostAsync(URL, content);
string json = await response.Content.ReadAsStringAsync();
result = JsonConvert.DeserializeObject <List <RootObject> >(json);
}
}
catch (Exception ex)
{
return(new GasQueryDownloadResult()
{
Succeeded = false,
ErrorMessage = ex.ToString(),
Result = new GasQueryResult(parameter)
});
}
// Errors are reported in a rather weird way so let's be extra careful in retrieving those
if (result.Count == 1)
{
var firstItem = result.First();
if (firstItem != null)
{
var errorItems = firstItem.errorItems;
if (errorItems != null && errorItems.Count > 0 && errorItems.First() != null)
{
return(new GasQueryDownloadResult()
{
Succeeded = false,
ErrorMessage = errorItems.First().msgText,
Result = new GasQueryResult(parameter)
});
}
}
}
var foundTanken = new List <GasStationResult>();
foreach (var ro in result)
{
if (null == ro)
{
continue;
}
if (!String.IsNullOrWhiteSpace(ro.gasStationName))
{
var tanke = new GasStationResult()
{
City = ro.city,
PostalCode = ro.postalCode,
Street = ro.address,
Name = ro.gasStationName,
Longitude = MappingHelpers.ConvertDouble(ro.longitude),
Latitude = MappingHelpers.ConvertDouble(ro.latitude),
};
if ((null != ro.spritPrice) && ro.spritPrice.Count > 0)
{
var preisInfo = ro.spritPrice.First();
if ((null != preisInfo) && !String.IsNullOrWhiteSpace(preisInfo.amount))
{
tanke.Price = MappingHelpers.ConvertDouble(preisInfo.amount);
foundTanken.Add(tanke);
}
}
}
}
var orderedTanken = foundTanken.OrderBy(t => t.Price).ToList();
int tankeOrderNumber = 1;
foreach (var tanke in orderedTanken)
{
tanke.UniqueId = tankeOrderNumber.ToString();
tankeOrderNumber++;
}
return(new GasQueryDownloadResult()
{
Succeeded = true,
Result = new GasQueryResult(parameter, orderedTanken, DateTime.Now)
});
}
