private static async Task SetSuccessResponseAsync(HttpResponse response, HttpResponseMessage httpResponse,
ExecutionData executionData)
{
const string responseDataKey = "response.data";
var content = await httpResponse.Content.ReadAsStringAsync();
var onSuccess = executionData.Route.OnSuccess;
if (onSuccess == null)
{
await response.WriteAsync(content);
return;
}
response.StatusCode = onSuccess.Code > 0 ? onSuccess.Code : 200;
if (onSuccess.Data is string dataText && dataText.StartsWith(responseDataKey))
{
var dataKey = dataText.Replace(responseDataKey, string.Empty);
if (string.IsNullOrWhiteSpace(dataKey))
{
await response.WriteAsync(content);
return;
}
dataKey = dataKey.Substring(1, dataKey.Length - 1);
dynamic data = new ExpandoObject();
JsonConvert.PopulateObject(content, data);
var dictionary = (IDictionary <string, object>)data;
if (!dictionary.TryGetValue(dataKey, out var dataValue))
{
return;
}
switch (dataValue)
{
case JObject jObject:
await response.WriteAsync(jObject.ToString());
return;
case JArray jArray:
await response.WriteAsync(jArray.ToString());
return;
default:
await response.WriteAsync(dataValue.ToString());
break;
}
}
if (onSuccess.Data != null)
{
await response.WriteAsync(onSuccess.Data.ToString());
}
}
private static async Task WriteResponseAsync(HttpResponse response, HttpResponseMessage httpResponse,
ExecutionData executionData)
{
if (!httpResponse.IsSuccessStatusCode)
{
SetErrorResponse(response, httpResponse, executionData);
return;
}
await SetSuccessResponseAsync(response, httpResponse, executionData);
}
private static void SetErrorResponse(HttpResponse response, HttpResponseMessage httpResponse,
ExecutionData executionData)
{
var onError = executionData.Route.OnError;
if (onError == null)
{
response.StatusCode = (int)httpResponse.StatusCode;
return;
}
response.StatusCode = onError.Code > 0 ? onError.Code : 400;
}
private async Task <bool> IsPayloadValidAsync(ExecutionData executionData, HttpResponse httpResponse)
{
if (executionData.IsPayloadValid)
{
return(true);
}
var response = new { errors = executionData.ValidationErrors };
var payload = JsonConvert.SerializeObject(response);
httpResponse.ContentType = "application/json";
await httpResponse.WriteAsync(payload);
return(false);
}