public async Task <IEnumerable <Estate> > GetObjects(KskWebClientOptions options)
{
var estates = new List <Estate>();
var firstPage = await GetPage(options, 1, options.MarketingUsageObjectType);
estates.AddRange(firstPage.Embedded.Estate);
for (int page = 2; page <= firstPage.PageCount; page++)
{
var pageContent = await GetPage(options, page, options.MarketingUsageObjectType);
estates.AddRange(pageContent.Embedded.Estate);
}
return(estates);
}
private async Task <string> GetRawPage(KskWebClientOptions options, int page, string marketingUsageObjectType)
{
using var request = new HttpRequestMessage(new HttpMethod("POST"),
"https://www.kskbb.de/content/myif/ksk-boeblingen/work/filiale/de/home/misc/vps/gate/_jcr_content.bin/sip/api");
request.Content = new StringContent(
$"{{\"route\":\"estate\",\"page\":\"{page}\",\"zip_city_estate_id\":\"{options.Zip}\",\"marketing_usage_object_type\":\"{marketingUsageObjectType}\",\"perimeter\":\"{options.RadiusInKm}\",\"sort_by\":\"distance_asc\",\"limit\":\"{options.Limit}\",\"regio_client_id\":\"{options.RegioClientId}\",\"return_data\":\"overview\"}}");
request.Content.Headers.ContentType = MediaTypeHeaderValue.Parse("application/json");
var result = await _client.SendAsync(request);
var resultString = await result.Content.ReadAsStringAsync();
if (resultString.StartsWith("{\"pending"))
{
return(await GetRawPage(options, page, marketingUsageObjectType));
}
return(resultString);
}
public async Task <Root> GetPage(KskWebClientOptions options, int page, string marketingUsageObjectType)
{
var resultString = await GetRawPage(options, page, marketingUsageObjectType);
try
{
return(JsonSerializer.Deserialize <Root>(resultString));
}
catch (JsonException e)
{
if (e.Message.Contains("'<' is an invalid start of a value"))
{
// sometimes the KSK doesn't send valid json. This is just ignored as it works mostly the next time
return(new Root {
Embedded = new Embedded {
Estate = new List <Estate>()
}
});
}
throw;
}
}