private static async Task <Response> ProcessAsyncResponse <T>(Response response, Action <int> remainingTimeCallback) where T : Resource
{
if (response != null)
{
if (response.ErrorDetails != null && response.ErrorDetails.Length > 0)
{
throw new Exception(String.Join("", response.ErrorDetails));
}
if (response.ResourceSets != null && response.ResourceSets.Length > 0 && response.ResourceSets[0].Resources != null && response.ResourceSets[0].Resources.Length > 0)
{
if (response.ResourceSets[0].Resources[0] is AsyncStatus && !string.IsNullOrEmpty((response.ResourceSets[0].Resources[0] as AsyncStatus).RequestId))
{
var status = response.ResourceSets[0].Resources[0] as AsyncStatus;
status = await ServiceHelper.ProcessAsyncStatus(status, remainingTimeCallback);
if (status != null && status.IsCompleted && !string.IsNullOrEmpty(status.ResultUrl))
{
try
{
using (var resultStream = await ServiceHelper.GetStreamAsync(new Uri(status.ResultUrl)))
{
var resource = ServiceHelper.DeserializeStream <T>(resultStream);
response.ResourceSets[0].Resources[0] = resource;
}
}
catch (Exception ex)
{
throw new Exception("There was an issue downloading and serializing the results. Results Download URL: " + status.ResultUrl + "\r\n" + ex.Message);
}
}
return(response);
}
else if (response.ResourceSets[0].Resources[0] is AsyncStatus && !string.IsNullOrEmpty((response.ResourceSets[0].Resources[0] as AsyncStatus).ErrorMessage))
{
throw new Exception((response.ResourceSets[0].Resources[0] as AsyncStatus).ErrorMessage);
}
else if (response.ResourceSets[0].Resources[0] is Resource && !(response.ResourceSets[0].Resources[0] is AsyncStatus))
{
return(response);
}
}
}
throw new Exception("No response returned by service.");
}
//TODO: this is temporary until distance matrix Async response updated.
private static async Task <Response> ProcessAsyncResponse <T>(Response response, Action <int> remainingTimeCallback) where T : Resource
{
if (response != null)
{
if (response.ErrorDetails != null && response.ErrorDetails.Length > 0)
{
throw new Exception(String.Join("", response.ErrorDetails));
}
if (Response.HasResource(response))
{
var res = Response.GetFirstResource(response);
if (res is AsyncStatus && !string.IsNullOrEmpty((res as AsyncStatus).RequestId))
{
var status = res as AsyncStatus;
status = await ServiceHelper.ProcessAsyncStatus(status, remainingTimeCallback).ConfigureAwait(false);
if (status != null && status.IsCompleted && !string.IsNullOrEmpty(status.ResultUrl))
{
try
{
using (var resultStream = await ServiceHelper.GetStreamAsync(new Uri(status.ResultUrl)).ConfigureAwait(false))
{
if (typeof(T) == typeof(DistanceMatrix))
{
//There is a bug in the distance matrix service that when some options are set, the response isn't wrapped with a resourceSet->resources like all other services.
using (var sr = new StreamReader(resultStream))
{
var r = sr.ReadToEnd();
//Remove first character from string.
r = r.Remove(0, 1);
//Add namespace type to JSON object.
r = "{\"__type\":\"DistanceMatrix:http://schemas.microsoft.com/search/local/ws/rest/v1\"," + r;
var bytes = Encoding.UTF8.GetBytes(r);
using (var stream = new MemoryStream(bytes))
{
var resource = ServiceHelper.DeserializeStream <T>(stream);
response.ResourceSets[0].Resources[0] = resource;
}
}
}
else if (typeof(T) == typeof(SnapToRoadResponse))
{
//Snap to road for some reason includes a full resource set response while other async services don't.
response = ServiceHelper.DeserializeStream <Response>(resultStream);
}
else
{
var resource = ServiceHelper.DeserializeStream <T>(resultStream);
response.ResourceSets[0].Resources[0] = resource;
}
}
}
catch (Exception ex)
{
throw new Exception("There was an issue downloading and serializing the results. Results Download URL: " + status.ResultUrl + "\r\n" + ex.Message);
}
}
return(response);
}
else if (res is AsyncStatus && !string.IsNullOrEmpty((res as AsyncStatus).ErrorMessage))
{
throw new Exception((res as AsyncStatus).ErrorMessage);
}
else if (res is Resource && !(res is AsyncStatus))
{
return(response);
}
}
}
throw new Exception("No response returned by service.");
}