public async Task GeocodeAsync(SourceAddress source)
{
using (HttpClient client = new HttpClient())
{
client.DefaultRequestHeaders.Accept.Add(
new System.Net.Http.Headers.MediaTypeWithQualityHeaderValue("application/json"));
var response = await client.GetAsync(BuildUrlRequest(source));
if (response.IsSuccessStatusCode)
{
string content = await response.Content.ReadAsStringAsync();
ArcGisGeocodeResult geocode = JsonConvert.DeserializeObject <ArcGisGeocodeResult>(content);
GeocodeResult <Candidate> bestResult = GetBestGeocodeResult(geocode, source);
string freeformAddress = bestResult.Result == null ? "NULL" : bestResult.Result.Address;
string resultType = bestResult.Result == null ? "NULL" : bestResult.Result.Attributes.AddrType;
ReportComparer.SaveAndDisplay(Path, $"ArcGis;{source.Id};{source.Address};{source.Locality};{source.PostalCode};{source.Country};{resultType};{freeformAddress};{bestResult.Status};{geocode.Candidates.Count};{CountByScore(geocode)}");
}
else
{
//var error = await response.Content.ReadAsAsync<ErrorResponse>();
Console.WriteLine("ArcGis HTTP Error");
ReportComparer.SaveAndDisplay(Path, $"ArcGis;{source.Id};{source.Address};{source.Locality};{source.PostalCode};{source.Country};NULL;NULL;ZERO_RESULT;0");
}
}
}
private string CountByScore(ArcGisGeocodeResult geocode)
{
var result = from candidates in geocode.Candidates
group candidates by candidates.Score into grp
select new { key = grp.Key, cnt = grp.Count() };
var str = string.Empty;
foreach (var item in result)
{
str += $"score:{item.key}-cnt:{item.cnt}|";
}
str = str.Remove(str.Length - 1, 1);
return(str);
}
private GeocodeResult <Candidate> GetBestGeocodeResult(ArcGisGeocodeResult geocodeResult, SourceAddress source)
{
var result = new GeocodeResult <Candidate>();
if (geocodeResult.Candidates.Count == 0)
{
result.Status = "ZERO_RESULTS";
return(result);
}
var best = geocodeResult.Candidates[0]; //The best result
if (string.IsNullOrEmpty(best.Attributes.Country))
{
result.Status = "ZERO_RESULT";
return(result);
}
if (!best.Attributes.Country.Equals("ESP"))
{
result.Status = "ZERO_RESULT";
return(result);
}
var typeAllowed = best.Attributes.AddrType.Equals(TypesAlloweds.FirstOrDefault(x => x.Equals(best.Attributes.AddrType)) ?? string.Empty);
if (typeAllowed)
{
result.Status = best.Attributes.Postal.Equals(source.PostalCode) ? "OK" : "TO_CHECK";
}
else
{
result.Status = "TO_CHECK";
}
result.Result = best;
return(result);
}
