private async Task HandleOperationRequest(HttpContext httpContext)
{
var payload = Deserialize <RequestPayload>(httpContext.Request.Body);
if (payload.OperationName == "IntrospectionQuery")
{
await HandleIntrospectionQuery(payload, httpContext);
return;
}
ExecutionResult result;
try
{
try
{
var context = await _graphContextFactory.CreateAsync(payload);
httpContext.Features.Set <IGraphContextFeature>(new GraphContextFeature(context));
result = await _executor.ExecuteAsync(context);
}
catch (Exception ex)
{
if (_logger.IsEnabled(LogLevel.Error))
{
_log4Error(_logger, DateTimeOffset.Now, payload.OperationName, ErrorFormatter.Instance.Format(ex), null);
}
result = ExecutionResult.Fail(ex);
}
httpContext.Response.ContentType = "application/json";
var settings = new JsonSerializerSettings
{
Converters = new List <JsonConverter> {
new StringEnumConverter()
},
NullValueHandling = NullValueHandling.Ignore
};
if (_graphOptions.FieldNameConverter == FieldNameConverter.CamelCase)
{
settings.ContractResolver = new CamelCasePropertyNamesContractResolver();
}
await httpContext.Response.WriteAsync(JsonConvert.SerializeObject(result, Formatting.None, settings));
}
catch (Exception ex)
{
if (_logger.IsEnabled(LogLevel.Error))
{
_log4Error(_logger, DateTimeOffset.Now, payload.OperationName, ErrorFormatter.Instance.Format(ex), null);
}
throw;
}
}