private static Task HandleExceptionAsync(HttpContext context, Exception ex)
{
var errors = new DefaultErrors();
HandleNotFoundException(context, ex, errors);
HandleConflictException(context, ex, errors);
HandleClientException(context, ex, errors);
HandleUnknownExceptions(context, ex, errors);
var json = JsonConvert.SerializeObject(errors);
return(context.Response.WriteAsync(json));;
}
private static void HandleClientException(HttpContext context, Exception ex, DefaultErrors errors)
{
if (!(ex is ClientException))
{
return;
}
const HttpStatusCode code = HttpStatusCode.InternalServerError;
context.Response.ContentType = "application/json";
context.Response.StatusCode = (int)code;
var clientException = (ClientException)ex;
errors.Reject(clientException.ErrorCode, clientException.Message, clientException.Message);
}
private static void HandleNotFoundException(HttpContext context, Exception ex, DefaultErrors errors)
{
if (!(ex is NotFoundException))
{
return;
}
const HttpStatusCode code = HttpStatusCode.NotFound;
var result = JsonConvert.SerializeObject(new { error = ex.Message });
context.Response.ContentType = "application/json";
context.Response.StatusCode = (int)code;
var clientException = (ClientException)ex;
errors.Reject(clientException.ErrorCode, clientException.Message, clientException.Message);
}
private static void HandleUnknownExceptions(HttpContext context, Exception ex, DefaultErrors errors)
{
if (errors.ErrorList.Count > 1)
{
return;
}
const HttpStatusCode code = HttpStatusCode.InternalServerError;
context.Response.ContentType = "application/json";
context.Response.StatusCode = (int)code;
errors.Reject("UNKNOWN", "Unknown Exception Occurred");
}
